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5 Commits

Author SHA1 Message Date
9c2c6a3ea9 Alter OL Test 2024-07-01 12:36:22 +02:00
a7ad4fa984 Add OrCOnsTest 2024-06-28 11:32:32 +02:00
fcda301b1e Hack in ASP-Constraint generation for WLP2024 paper Prototype Test 2024-06-10 09:02:26 +02:00
JanUlrich
2aa3997f17 Readme 2024-06-07 14:54:27 +02:00
JanUlrich
7e37497740 Start ASP Gen after Constraint Generateion 2024-06-07 14:53:47 +02:00
130 changed files with 1948 additions and 29577 deletions
.gitea/workflows
README.md
gen
pom.xml
resources
src
main
test

@@ -15,7 +15,7 @@ jobs:
uses: actions/setup-java@v4 uses: actions/setup-java@v4
with: with:
distribution: 'temurin' distribution: 'temurin'
java-version: '24' java-version: '21'
cache: 'maven' cache: 'maven'
- name: Compile project - name: Compile project
run: | run: |

9
README.md Normal file

@@ -0,0 +1,9 @@
Prototype
run with:
mvn test -Dtest="TestComplete#matrixTest"
mvn test -Dtest="typeinference.JavaTXCompilerTest#importTest"
then the output is in: /tmp/output

File diff suppressed because one or more lines are too long

@@ -1,873 +0,0 @@
// Generated from C:/Users/ruben/IdeaProjects/JavaCompilerCore/src/main/antlr4/de/dhbwstuttgart/parser/antlr/Java17Lexer.g4 by ANTLR 4.13.1
import org.antlr.v4.runtime.Lexer;
import org.antlr.v4.runtime.CharStream;
import org.antlr.v4.runtime.Token;
import org.antlr.v4.runtime.TokenStream;
import org.antlr.v4.runtime.*;
import org.antlr.v4.runtime.atn.*;
import org.antlr.v4.runtime.dfa.DFA;
import org.antlr.v4.runtime.misc.*;
@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue", "this-escape"})
public class Java17Lexer extends Lexer {
static { RuntimeMetaData.checkVersion("4.13.1", RuntimeMetaData.VERSION); }
protected static final DFA[] _decisionToDFA;
protected static final PredictionContextCache _sharedContextCache =
new PredictionContextCache();
public static final int
ABSTRACT=1, ASSERT=2, BOOLEAN=3, BREAK=4, BYTE=5, CASE=6, CATCH=7, CHAR=8,
CLASS=9, CONST=10, CONTINUE=11, DEFAULT=12, DO=13, DOUBLE=14, ELSE=15,
ENUM=16, EXTENDS=17, FINAL=18, FINALLY=19, FLOAT=20, FOR=21, IF=22, GOTO=23,
IMPLEMENTS=24, IMPORT=25, INSTANCEOF=26, INT=27, INTERFACE=28, LONG=29,
NATIVE=30, NEW=31, PACKAGE=32, PRIVATE=33, PROTECTED=34, PUBLIC=35, RETURN=36,
SHORT=37, STATIC=38, STRICTFP=39, SUPER=40, SWITCH=41, SYNCHRONIZED=42,
THIS=43, THROW=44, THROWS=45, TRANSIENT=46, TRY=47, VOID=48, VOLATILE=49,
WHILE=50, MODULE=51, OPEN=52, REQUIRES=53, EXPORTS=54, OPENS=55, TO=56,
USES=57, PROVIDES=58, WITH=59, TRANSITIVE=60, VAR=61, YIELD=62, RECORD=63,
SEALED=64, PERMITS=65, NON_SEALED=66, DECIMAL_LITERAL=67, HEX_LITERAL=68,
OCT_LITERAL=69, BINARY_LITERAL=70, FLOAT_LITERAL=71, HEX_FLOAT_LITERAL=72,
BOOL_LITERAL=73, CHAR_LITERAL=74, STRING_LITERAL=75, TEXT_BLOCK=76, NULL_LITERAL=77,
LPAREN=78, RPAREN=79, LBRACE=80, RBRACE=81, LBRACK=82, RBRACK=83, SEMI=84,
COMMA=85, DOT=86, ASSIGN=87, GT=88, LT=89, BANG=90, TILDE=91, QUESTION=92,
COLON=93, EQUAL=94, LE=95, GE=96, NOTEQUAL=97, AND=98, OR=99, INC=100,
DEC=101, ADD=102, SUB=103, MUL=104, DIV=105, BITAND=106, BITOR=107, CARET=108,
MOD=109, ADD_ASSIGN=110, SUB_ASSIGN=111, MUL_ASSIGN=112, DIV_ASSIGN=113,
AND_ASSIGN=114, OR_ASSIGN=115, XOR_ASSIGN=116, MOD_ASSIGN=117, LSHIFT_ASSIGN=118,
RSHIFT_ASSIGN=119, URSHIFT_ASSIGN=120, ARROW=121, COLONCOLON=122, AT=123,
ELLIPSIS=124, WS=125, COMMENT=126, LINE_COMMENT=127, IDENTIFIER=128;
public static String[] channelNames = {
"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
};
public static String[] modeNames = {
"DEFAULT_MODE"
};
private static String[] makeRuleNames() {
return new String[] {
"ABSTRACT", "ASSERT", "BOOLEAN", "BREAK", "BYTE", "CASE", "CATCH", "CHAR",
"CLASS", "CONST", "CONTINUE", "DEFAULT", "DO", "DOUBLE", "ELSE", "ENUM",
"EXTENDS", "FINAL", "FINALLY", "FLOAT", "FOR", "IF", "GOTO", "IMPLEMENTS",
"IMPORT", "INSTANCEOF", "INT", "INTERFACE", "LONG", "NATIVE", "NEW",
"PACKAGE", "PRIVATE", "PROTECTED", "PUBLIC", "RETURN", "SHORT", "STATIC",
"STRICTFP", "SUPER", "SWITCH", "SYNCHRONIZED", "THIS", "THROW", "THROWS",
"TRANSIENT", "TRY", "VOID", "VOLATILE", "WHILE", "MODULE", "OPEN", "REQUIRES",
"EXPORTS", "OPENS", "TO", "USES", "PROVIDES", "WITH", "TRANSITIVE", "VAR",
"YIELD", "RECORD", "SEALED", "PERMITS", "NON_SEALED", "DECIMAL_LITERAL",
"HEX_LITERAL", "OCT_LITERAL", "BINARY_LITERAL", "FLOAT_LITERAL", "HEX_FLOAT_LITERAL",
"BOOL_LITERAL", "CHAR_LITERAL", "STRING_LITERAL", "TEXT_BLOCK", "NULL_LITERAL",
"LPAREN", "RPAREN", "LBRACE", "RBRACE", "LBRACK", "RBRACK", "SEMI", "COMMA",
"DOT", "ASSIGN", "GT", "LT", "BANG", "TILDE", "QUESTION", "COLON", "EQUAL",
"LE", "GE", "NOTEQUAL", "AND", "OR", "INC", "DEC", "ADD", "SUB", "MUL",
"DIV", "BITAND", "BITOR", "CARET", "MOD", "ADD_ASSIGN", "SUB_ASSIGN",
"MUL_ASSIGN", "DIV_ASSIGN", "AND_ASSIGN", "OR_ASSIGN", "XOR_ASSIGN",
"MOD_ASSIGN", "LSHIFT_ASSIGN", "RSHIFT_ASSIGN", "URSHIFT_ASSIGN", "ARROW",
"COLONCOLON", "AT", "ELLIPSIS", "WS", "COMMENT", "LINE_COMMENT", "IDENTIFIER",
"ExponentPart", "EscapeSequence", "HexDigits", "HexDigit", "Digits",
"LetterOrDigit", "Letter"
};
}
public static final String[] ruleNames = makeRuleNames();
private static String[] makeLiteralNames() {
return new String[] {
null, "'abstract'", "'assert'", "'boolean'", "'break'", "'byte'", "'case'",
"'catch'", "'char'", "'class'", "'const'", "'continue'", "'default'",
"'do'", "'double'", "'else'", "'enum'", "'extends'", "'final'", "'finally'",
"'float'", "'for'", "'if'", "'goto'", "'implements'", "'import'", "'instanceof'",
"'int'", "'interface'", "'long'", "'native'", "'new'", "'package'", "'private'",
"'protected'", "'public'", "'return'", "'short'", "'static'", "'strictfp'",
"'super'", "'switch'", "'synchronized'", "'this'", "'throw'", "'throws'",
"'transient'", "'try'", "'void'", "'volatile'", "'while'", "'module'",
"'open'", "'requires'", "'exports'", "'opens'", "'to'", "'uses'", "'provides'",
"'with'", "'transitive'", "'var'", "'yield'", "'record'", "'sealed'",
"'permits'", "'non-sealed'", null, null, null, null, null, null, null,
null, null, null, "'null'", "'('", "')'", "'{'", "'}'", "'['", "']'",
"';'", "','", "'.'", "'='", "'>'", "'<'", "'!'", "'~'", "'?'", "':'",
"'=='", "'<='", "'>='", "'!='", "'&&'", "'||'", "'++'", "'--'", "'+'",
"'-'", "'*'", "'/'", "'&'", "'|'", "'^'", "'%'", "'+='", "'-='", "'*='",
"'/='", "'&='", "'|='", "'^='", "'%='", "'<<='", "'>>='", "'>>>='", "'->'",
"'::'", "'@'", "'...'"
};
}
private static final String[] _LITERAL_NAMES = makeLiteralNames();
private static String[] makeSymbolicNames() {
return new String[] {
null, "ABSTRACT", "ASSERT", "BOOLEAN", "BREAK", "BYTE", "CASE", "CATCH",
"CHAR", "CLASS", "CONST", "CONTINUE", "DEFAULT", "DO", "DOUBLE", "ELSE",
"ENUM", "EXTENDS", "FINAL", "FINALLY", "FLOAT", "FOR", "IF", "GOTO",
"IMPLEMENTS", "IMPORT", "INSTANCEOF", "INT", "INTERFACE", "LONG", "NATIVE",
"NEW", "PACKAGE", "PRIVATE", "PROTECTED", "PUBLIC", "RETURN", "SHORT",
"STATIC", "STRICTFP", "SUPER", "SWITCH", "SYNCHRONIZED", "THIS", "THROW",
"THROWS", "TRANSIENT", "TRY", "VOID", "VOLATILE", "WHILE", "MODULE",
"OPEN", "REQUIRES", "EXPORTS", "OPENS", "TO", "USES", "PROVIDES", "WITH",
"TRANSITIVE", "VAR", "YIELD", "RECORD", "SEALED", "PERMITS", "NON_SEALED",
"DECIMAL_LITERAL", "HEX_LITERAL", "OCT_LITERAL", "BINARY_LITERAL", "FLOAT_LITERAL",
"HEX_FLOAT_LITERAL", "BOOL_LITERAL", "CHAR_LITERAL", "STRING_LITERAL",
"TEXT_BLOCK", "NULL_LITERAL", "LPAREN", "RPAREN", "LBRACE", "RBRACE",
"LBRACK", "RBRACK", "SEMI", "COMMA", "DOT", "ASSIGN", "GT", "LT", "BANG",
"TILDE", "QUESTION", "COLON", "EQUAL", "LE", "GE", "NOTEQUAL", "AND",
"OR", "INC", "DEC", "ADD", "SUB", "MUL", "DIV", "BITAND", "BITOR", "CARET",
"MOD", "ADD_ASSIGN", "SUB_ASSIGN", "MUL_ASSIGN", "DIV_ASSIGN", "AND_ASSIGN",
"OR_ASSIGN", "XOR_ASSIGN", "MOD_ASSIGN", "LSHIFT_ASSIGN", "RSHIFT_ASSIGN",
"URSHIFT_ASSIGN", "ARROW", "COLONCOLON", "AT", "ELLIPSIS", "WS", "COMMENT",
"LINE_COMMENT", "IDENTIFIER"
};
}
private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
/**
* @deprecated Use {@link #VOCABULARY} instead.
*/
@Deprecated
public static final String[] tokenNames;
static {
tokenNames = new String[_SYMBOLIC_NAMES.length];
for (int i = 0; i < tokenNames.length; i++) {
tokenNames[i] = VOCABULARY.getLiteralName(i);
if (tokenNames[i] == null) {
tokenNames[i] = VOCABULARY.getSymbolicName(i);
}
if (tokenNames[i] == null) {
tokenNames[i] = "<INVALID>";
}
}
}
@Override
@Deprecated
public String[] getTokenNames() {
return tokenNames;
}
@Override
public Vocabulary getVocabulary() {
return VOCABULARY;
}
public Java17Lexer(CharStream input) {
super(input);
_interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
}
@Override
public String getGrammarFileName() { return "Java17Lexer.g4"; }
@Override
public String[] getRuleNames() { return ruleNames; }
@Override
public String getSerializedATN() { return _serializedATN; }
@Override
public String[] getChannelNames() { return channelNames; }
@Override
public String[] getModeNames() { return modeNames; }
@Override
public ATN getATN() { return _ATN; }
public static final String _serializedATN =
"\u0004\u0000\u0080\u0458\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002"+
"\u0001\u0007\u0001\u0002\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002"+
"\u0004\u0007\u0004\u0002\u0005\u0007\u0005\u0002\u0006\u0007\u0006\u0002"+
"\u0007\u0007\u0007\u0002\b\u0007\b\u0002\t\u0007\t\u0002\n\u0007\n\u0002"+
"\u000b\u0007\u000b\u0002\f\u0007\f\u0002\r\u0007\r\u0002\u000e\u0007\u000e"+
"\u0002\u000f\u0007\u000f\u0002\u0010\u0007\u0010\u0002\u0011\u0007\u0011"+
"\u0002\u0012\u0007\u0012\u0002\u0013\u0007\u0013\u0002\u0014\u0007\u0014"+
"\u0002\u0015\u0007\u0015\u0002\u0016\u0007\u0016\u0002\u0017\u0007\u0017"+
"\u0002\u0018\u0007\u0018\u0002\u0019\u0007\u0019\u0002\u001a\u0007\u001a"+
"\u0002\u001b\u0007\u001b\u0002\u001c\u0007\u001c\u0002\u001d\u0007\u001d"+
"\u0002\u001e\u0007\u001e\u0002\u001f\u0007\u001f\u0002 \u0007 \u0002!"+
"\u0007!\u0002\"\u0007\"\u0002#\u0007#\u0002$\u0007$\u0002%\u0007%\u0002"+
"&\u0007&\u0002\'\u0007\'\u0002(\u0007(\u0002)\u0007)\u0002*\u0007*\u0002"+
"+\u0007+\u0002,\u0007,\u0002-\u0007-\u0002.\u0007.\u0002/\u0007/\u0002"+
"0\u00070\u00021\u00071\u00022\u00072\u00023\u00073\u00024\u00074\u0002"+
"5\u00075\u00026\u00076\u00027\u00077\u00028\u00078\u00029\u00079\u0002"+
":\u0007:\u0002;\u0007;\u0002<\u0007<\u0002=\u0007=\u0002>\u0007>\u0002"+
"?\u0007?\u0002@\u0007@\u0002A\u0007A\u0002B\u0007B\u0002C\u0007C\u0002"+
"D\u0007D\u0002E\u0007E\u0002F\u0007F\u0002G\u0007G\u0002H\u0007H\u0002"+
"I\u0007I\u0002J\u0007J\u0002K\u0007K\u0002L\u0007L\u0002M\u0007M\u0002"+
"N\u0007N\u0002O\u0007O\u0002P\u0007P\u0002Q\u0007Q\u0002R\u0007R\u0002"+
"S\u0007S\u0002T\u0007T\u0002U\u0007U\u0002V\u0007V\u0002W\u0007W\u0002"+
"X\u0007X\u0002Y\u0007Y\u0002Z\u0007Z\u0002[\u0007[\u0002\\\u0007\\\u0002"+
"]\u0007]\u0002^\u0007^\u0002_\u0007_\u0002`\u0007`\u0002a\u0007a\u0002"+
"b\u0007b\u0002c\u0007c\u0002d\u0007d\u0002e\u0007e\u0002f\u0007f\u0002"+
"g\u0007g\u0002h\u0007h\u0002i\u0007i\u0002j\u0007j\u0002k\u0007k\u0002"+
"l\u0007l\u0002m\u0007m\u0002n\u0007n\u0002o\u0007o\u0002p\u0007p\u0002"+
"q\u0007q\u0002r\u0007r\u0002s\u0007s\u0002t\u0007t\u0002u\u0007u\u0002"+
"v\u0007v\u0002w\u0007w\u0002x\u0007x\u0002y\u0007y\u0002z\u0007z\u0002"+
"{\u0007{\u0002|\u0007|\u0002}\u0007}\u0002~\u0007~\u0002\u007f\u0007\u007f"+
"\u0002\u0080\u0007\u0080\u0002\u0081\u0007\u0081\u0002\u0082\u0007\u0082"+
"\u0002\u0083\u0007\u0083\u0002\u0084\u0007\u0084\u0002\u0085\u0007\u0085"+
"\u0002\u0086\u0007\u0086\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000"+
"\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0001"+
"\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001"+
"\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002"+
"\u0001\u0002\u0001\u0002\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003"+
"\u0001\u0003\u0001\u0003\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004"+
"\u0001\u0004\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0005"+
"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\b\u0001"+
"\b\u0001\b\u0001\b\u0001\b\u0001\b\u0001\t\u0001\t\u0001\t\u0001\t\u0001"+
"\t\u0001\t\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001"+
"\n\u0001\n\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b"+
"\u0001\u000b\u0001\u000b\u0001\u000b\u0001\f\u0001\f\u0001\f\u0001\r\u0001"+
"\r\u0001\r\u0001\r\u0001\r\u0001\r\u0001\r\u0001\u000e\u0001\u000e\u0001"+
"\u000e\u0001\u000e\u0001\u000e\u0001\u000f\u0001\u000f\u0001\u000f\u0001"+
"\u000f\u0001\u000f\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001"+
"\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0011\u0001\u0011\u0001"+
"\u0011\u0001\u0011\u0001\u0011\u0001\u0011\u0001\u0012\u0001\u0012\u0001"+
"\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001"+
"\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001"+
"\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0015\u0001\u0015\u0001"+
"\u0015\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001"+
"\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001"+
"\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0018\u0001"+
"\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0001"+
"\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
"\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u001a\u0001"+
"\u001a\u0001\u001a\u0001\u001a\u0001\u001b\u0001\u001b\u0001\u001b\u0001"+
"\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001"+
"\u001b\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001"+
"\u001d\u0001\u001d\u0001\u001d\u0001\u001d\u0001\u001d\u0001\u001d\u0001"+
"\u001d\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001f\u0001"+
"\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0001"+
"\u001f\u0001 \u0001 \u0001 \u0001 \u0001 \u0001 \u0001 \u0001 \u0001!"+
"\u0001!\u0001!\u0001!\u0001!\u0001!\u0001!\u0001!\u0001!\u0001!\u0001"+
"\"\u0001\"\u0001\"\u0001\"\u0001\"\u0001\"\u0001\"\u0001#\u0001#\u0001"+
"#\u0001#\u0001#\u0001#\u0001#\u0001$\u0001$\u0001$\u0001$\u0001$\u0001"+
"$\u0001%\u0001%\u0001%\u0001%\u0001%\u0001%\u0001%\u0001&\u0001&\u0001"+
"&\u0001&\u0001&\u0001&\u0001&\u0001&\u0001&\u0001\'\u0001\'\u0001\'\u0001"+
"\'\u0001\'\u0001\'\u0001(\u0001(\u0001(\u0001(\u0001(\u0001(\u0001(\u0001"+
")\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001"+
")\u0001)\u0001)\u0001*\u0001*\u0001*\u0001*\u0001*\u0001+\u0001+\u0001"+
"+\u0001+\u0001+\u0001+\u0001,\u0001,\u0001,\u0001,\u0001,\u0001,\u0001"+
",\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001-\u0001"+
"-\u0001.\u0001.\u0001.\u0001.\u0001/\u0001/\u0001/\u0001/\u0001/\u0001"+
"0\u00010\u00010\u00010\u00010\u00010\u00010\u00010\u00010\u00011\u0001"+
"1\u00011\u00011\u00011\u00011\u00012\u00012\u00012\u00012\u00012\u0001"+
"2\u00012\u00013\u00013\u00013\u00013\u00013\u00014\u00014\u00014\u0001"+
"4\u00014\u00014\u00014\u00014\u00014\u00015\u00015\u00015\u00015\u0001"+
"5\u00015\u00015\u00015\u00016\u00016\u00016\u00016\u00016\u00016\u0001"+
"7\u00017\u00017\u00018\u00018\u00018\u00018\u00018\u00019\u00019\u0001"+
"9\u00019\u00019\u00019\u00019\u00019\u00019\u0001:\u0001:\u0001:\u0001"+
":\u0001:\u0001;\u0001;\u0001;\u0001;\u0001;\u0001;\u0001;\u0001;\u0001"+
";\u0001;\u0001;\u0001<\u0001<\u0001<\u0001<\u0001=\u0001=\u0001=\u0001"+
"=\u0001=\u0001=\u0001>\u0001>\u0001>\u0001>\u0001>\u0001>\u0001>\u0001"+
"?\u0001?\u0001?\u0001?\u0001?\u0001?\u0001?\u0001@\u0001@\u0001@\u0001"+
"@\u0001@\u0001@\u0001@\u0001@\u0001A\u0001A\u0001A\u0001A\u0001A\u0001"+
"A\u0001A\u0001A\u0001A\u0001A\u0001A\u0001B\u0001B\u0001B\u0003B\u02d5"+
"\bB\u0001B\u0004B\u02d8\bB\u000bB\fB\u02d9\u0001B\u0003B\u02dd\bB\u0003"+
"B\u02df\bB\u0001B\u0003B\u02e2\bB\u0001C\u0001C\u0001C\u0001C\u0005C\u02e8"+
"\bC\nC\fC\u02eb\tC\u0001C\u0003C\u02ee\bC\u0001C\u0003C\u02f1\bC\u0001"+
"D\u0001D\u0005D\u02f5\bD\nD\fD\u02f8\tD\u0001D\u0001D\u0005D\u02fc\bD"+
"\nD\fD\u02ff\tD\u0001D\u0003D\u0302\bD\u0001D\u0003D\u0305\bD\u0001E\u0001"+
"E\u0001E\u0001E\u0005E\u030b\bE\nE\fE\u030e\tE\u0001E\u0003E\u0311\bE"+
"\u0001E\u0003E\u0314\bE\u0001F\u0001F\u0001F\u0003F\u0319\bF\u0001F\u0001"+
"F\u0003F\u031d\bF\u0001F\u0003F\u0320\bF\u0001F\u0003F\u0323\bF\u0001"+
"F\u0001F\u0001F\u0003F\u0328\bF\u0001F\u0003F\u032b\bF\u0003F\u032d\b"+
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"\u0000\u0410\u040e\u0001\u0000\u0000\u0000\u0411\u0412\u0006~\u0000\u0000"+
"\u0412\u00fe\u0001\u0000\u0000\u0000\u0413\u0417\u0003\u010d\u0086\u0000"+
"\u0414\u0416\u0003\u010b\u0085\u0000\u0415\u0414\u0001\u0000\u0000\u0000"+
"\u0416\u0419\u0001\u0000\u0000\u0000\u0417\u0415\u0001\u0000\u0000\u0000"+
"\u0417\u0418\u0001\u0000\u0000\u0000\u0418\u0100\u0001\u0000\u0000\u0000"+
"\u0419\u0417\u0001\u0000\u0000\u0000\u041a\u041c\u0007\u0012\u0000\u0000"+
"\u041b\u041d\u0007\f\u0000\u0000\u041c\u041b\u0001\u0000\u0000\u0000\u041c"+
"\u041d\u0001\u0000\u0000\u0000\u041d\u041e\u0001\u0000\u0000\u0000\u041e"+
"\u041f\u0003\u0109\u0084\u0000\u041f\u0102\u0001\u0000\u0000\u0000\u0420"+
"\u0421\u0005\\\u0000\u0000\u0421\u0436\u0007\u0013\u0000\u0000\u0422\u0427"+
"\u0005\\\u0000\u0000\u0423\u0425\u0007\u0014\u0000\u0000\u0424\u0423\u0001"+
"\u0000\u0000\u0000\u0424\u0425\u0001\u0000\u0000\u0000\u0425\u0426\u0001"+
"\u0000\u0000\u0000\u0426\u0428\u0007\u0005\u0000\u0000\u0427\u0424\u0001"+
"\u0000\u0000\u0000\u0427\u0428\u0001\u0000\u0000\u0000\u0428\u0429\u0001"+
"\u0000\u0000\u0000\u0429\u0436\u0007\u0005\u0000\u0000\u042a\u042c\u0005"+
"\\\u0000\u0000\u042b\u042d\u0005u\u0000\u0000\u042c\u042b\u0001\u0000"+
"\u0000\u0000\u042d\u042e\u0001\u0000\u0000\u0000\u042e\u042c\u0001\u0000"+
"\u0000\u0000\u042e\u042f\u0001\u0000\u0000\u0000\u042f\u0430\u0001\u0000"+
"\u0000\u0000\u0430\u0431\u0003\u0107\u0083\u0000\u0431\u0432\u0003\u0107"+
"\u0083\u0000\u0432\u0433\u0003\u0107\u0083\u0000\u0433\u0434\u0003\u0107"+
"\u0083\u0000\u0434\u0436\u0001\u0000\u0000\u0000\u0435\u0420\u0001\u0000"+
"\u0000\u0000\u0435\u0422\u0001\u0000\u0000\u0000\u0435\u042a\u0001\u0000"+
"\u0000\u0000\u0436\u0104\u0001\u0000\u0000\u0000\u0437\u0440\u0003\u0107"+
"\u0083\u0000\u0438\u043b\u0003\u0107\u0083\u0000\u0439\u043b\u0005_\u0000"+
"\u0000\u043a\u0438\u0001\u0000\u0000\u0000\u043a\u0439\u0001\u0000\u0000"+
"\u0000\u043b\u043e\u0001\u0000\u0000\u0000\u043c\u043a\u0001\u0000\u0000"+
"\u0000\u043c\u043d\u0001\u0000\u0000\u0000\u043d\u043f\u0001\u0000\u0000"+
"\u0000\u043e\u043c\u0001\u0000\u0000\u0000\u043f\u0441\u0003\u0107\u0083"+
"\u0000\u0440\u043c\u0001\u0000\u0000\u0000\u0440\u0441\u0001\u0000\u0000"+
"\u0000\u0441\u0106\u0001\u0000\u0000\u0000\u0442\u0443\u0007\u0003\u0000"+
"\u0000\u0443\u0108\u0001\u0000\u0000\u0000\u0444\u044c\u0007\u0015\u0000"+
"\u0000\u0445\u0447\u0007\u0016\u0000\u0000\u0446\u0445\u0001\u0000\u0000"+
"\u0000\u0447\u044a\u0001\u0000\u0000\u0000\u0448\u0446\u0001\u0000\u0000"+
"\u0000\u0448\u0449\u0001\u0000\u0000\u0000\u0449\u044b\u0001\u0000\u0000"+
"\u0000\u044a\u0448\u0001\u0000\u0000\u0000\u044b\u044d\u0007\u0015\u0000"+
"\u0000\u044c\u0448\u0001\u0000\u0000\u0000\u044c\u044d\u0001\u0000\u0000"+
"\u0000\u044d\u010a\u0001\u0000\u0000\u0000\u044e\u0451\u0003\u010d\u0086"+
"\u0000\u044f\u0451\u0007\u0015\u0000\u0000\u0450\u044e\u0001\u0000\u0000"+
"\u0000\u0450\u044f\u0001\u0000\u0000\u0000\u0451\u010c\u0001\u0000\u0000"+
"\u0000\u0452\u0457\u0007\u0017\u0000\u0000\u0453\u0457\b\u0018\u0000\u0000"+
"\u0454\u0455\u0007\u0019\u0000\u0000\u0455\u0457\u0007\u001a\u0000\u0000"+
"\u0456\u0452\u0001\u0000\u0000\u0000\u0456\u0453\u0001\u0000\u0000\u0000"+
"\u0456\u0454\u0001\u0000\u0000\u0000\u0457\u010e\u0001\u0000\u0000\u0000"+
"3\u0000\u02d4\u02d9\u02dc\u02de\u02e1\u02e9\u02ed\u02f0\u02f6\u02fd\u0301"+
"\u0304\u030c\u0310\u0313\u0318\u031c\u031f\u0322\u0327\u032a\u032c\u0332"+
"\u0335\u0339\u033d\u0341\u034c\u0351\u0358\u035a\u0366\u036c\u036e\u03f6"+
"\u0400\u040e\u0417\u041c\u0424\u0427\u042e\u0435\u043a\u043c\u0440\u0448"+
"\u044c\u0450\u0456\u0001\u0000\u0001\u0000";
public static final ATN _ATN =
new ATNDeserializer().deserialize(_serializedATN.toCharArray());
static {
_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
}
}
}

@@ -1,242 +0,0 @@
ABSTRACT=1
ASSERT=2
BOOLEAN=3
BREAK=4
BYTE=5
CASE=6
CATCH=7
CHAR=8
CLASS=9
CONST=10
CONTINUE=11
DEFAULT=12
DO=13
DOUBLE=14
ELSE=15
ENUM=16
EXTENDS=17
FINAL=18
FINALLY=19
FLOAT=20
FOR=21
IF=22
GOTO=23
IMPLEMENTS=24
IMPORT=25
INSTANCEOF=26
INT=27
INTERFACE=28
LONG=29
NATIVE=30
NEW=31
PACKAGE=32
PRIVATE=33
PROTECTED=34
PUBLIC=35
RETURN=36
SHORT=37
STATIC=38
STRICTFP=39
SUPER=40
SWITCH=41
SYNCHRONIZED=42
THIS=43
THROW=44
THROWS=45
TRANSIENT=46
TRY=47
VOID=48
VOLATILE=49
WHILE=50
MODULE=51
OPEN=52
REQUIRES=53
EXPORTS=54
OPENS=55
TO=56
USES=57
PROVIDES=58
WITH=59
TRANSITIVE=60
VAR=61
YIELD=62
RECORD=63
SEALED=64
PERMITS=65
NON_SEALED=66
DECIMAL_LITERAL=67
HEX_LITERAL=68
OCT_LITERAL=69
BINARY_LITERAL=70
FLOAT_LITERAL=71
HEX_FLOAT_LITERAL=72
BOOL_LITERAL=73
CHAR_LITERAL=74
STRING_LITERAL=75
TEXT_BLOCK=76
NULL_LITERAL=77
LPAREN=78
RPAREN=79
LBRACE=80
RBRACE=81
LBRACK=82
RBRACK=83
SEMI=84
COMMA=85
DOT=86
ASSIGN=87
GT=88
LT=89
BANG=90
TILDE=91
QUESTION=92
COLON=93
EQUAL=94
LE=95
GE=96
NOTEQUAL=97
AND=98
OR=99
INC=100
DEC=101
ADD=102
SUB=103
MUL=104
DIV=105
BITAND=106
BITOR=107
CARET=108
MOD=109
ADD_ASSIGN=110
SUB_ASSIGN=111
MUL_ASSIGN=112
DIV_ASSIGN=113
AND_ASSIGN=114
OR_ASSIGN=115
XOR_ASSIGN=116
MOD_ASSIGN=117
LSHIFT_ASSIGN=118
RSHIFT_ASSIGN=119
URSHIFT_ASSIGN=120
ARROW=121
COLONCOLON=122
AT=123
ELLIPSIS=124
WS=125
COMMENT=126
LINE_COMMENT=127
IDENTIFIER=128
'abstract'=1
'assert'=2
'boolean'=3
'break'=4
'byte'=5
'case'=6
'catch'=7
'char'=8
'class'=9
'const'=10
'continue'=11
'default'=12
'do'=13
'double'=14
'else'=15
'enum'=16
'extends'=17
'final'=18
'finally'=19
'float'=20
'for'=21
'if'=22
'goto'=23
'implements'=24
'import'=25
'instanceof'=26
'int'=27
'interface'=28
'long'=29
'native'=30
'new'=31
'package'=32
'private'=33
'protected'=34
'public'=35
'return'=36
'short'=37
'static'=38
'strictfp'=39
'super'=40
'switch'=41
'synchronized'=42
'this'=43
'throw'=44
'throws'=45
'transient'=46
'try'=47
'void'=48
'volatile'=49
'while'=50
'module'=51
'open'=52
'requires'=53
'exports'=54
'opens'=55
'to'=56
'uses'=57
'provides'=58
'with'=59
'transitive'=60
'var'=61
'yield'=62
'record'=63
'sealed'=64
'permits'=65
'non-sealed'=66
'null'=77
'('=78
')'=79
'{'=80
'}'=81
'['=82
']'=83
';'=84
','=85
'.'=86
'='=87
'>'=88
'<'=89
'!'=90
'~'=91
'?'=92
':'=93
'=='=94
'<='=95
'>='=96
'!='=97
'&&'=98
'||'=99
'++'=100
'--'=101
'+'=102
'-'=103
'*'=104
'/'=105
'&'=106
'|'=107
'^'=108
'%'=109
'+='=110
'-='=111
'*='=112
'/='=113
'&='=114
'|='=115
'^='=116
'%='=117
'<<='=118
'>>='=119
'>>>='=120
'->'=121
'::'=122
'@'=123
'...'=124

File diff suppressed because one or more lines are too long

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@@ -1,242 +0,0 @@
ABSTRACT=1
ASSERT=2
BOOLEAN=3
BREAK=4
BYTE=5
CASE=6
CATCH=7
CHAR=8
CLASS=9
CONST=10
CONTINUE=11
DEFAULT=12
DO=13
DOUBLE=14
ELSE=15
ENUM=16
EXTENDS=17
FINAL=18
FINALLY=19
FLOAT=20
FOR=21
IF=22
GOTO=23
IMPLEMENTS=24
IMPORT=25
INSTANCEOF=26
INT=27
INTERFACE=28
LONG=29
NATIVE=30
NEW=31
PACKAGE=32
PRIVATE=33
PROTECTED=34
PUBLIC=35
RETURN=36
SHORT=37
STATIC=38
STRICTFP=39
SUPER=40
SWITCH=41
SYNCHRONIZED=42
THIS=43
THROW=44
THROWS=45
TRANSIENT=46
TRY=47
VOID=48
VOLATILE=49
WHILE=50
MODULE=51
OPEN=52
REQUIRES=53
EXPORTS=54
OPENS=55
TO=56
USES=57
PROVIDES=58
WITH=59
TRANSITIVE=60
VAR=61
YIELD=62
RECORD=63
SEALED=64
PERMITS=65
NON_SEALED=66
DECIMAL_LITERAL=67
HEX_LITERAL=68
OCT_LITERAL=69
BINARY_LITERAL=70
FLOAT_LITERAL=71
HEX_FLOAT_LITERAL=72
BOOL_LITERAL=73
CHAR_LITERAL=74
STRING_LITERAL=75
TEXT_BLOCK=76
NULL_LITERAL=77
LPAREN=78
RPAREN=79
LBRACE=80
RBRACE=81
LBRACK=82
RBRACK=83
SEMI=84
COMMA=85
DOT=86
ASSIGN=87
GT=88
LT=89
BANG=90
TILDE=91
QUESTION=92
COLON=93
EQUAL=94
LE=95
GE=96
NOTEQUAL=97
AND=98
OR=99
INC=100
DEC=101
ADD=102
SUB=103
MUL=104
DIV=105
BITAND=106
BITOR=107
CARET=108
MOD=109
ADD_ASSIGN=110
SUB_ASSIGN=111
MUL_ASSIGN=112
DIV_ASSIGN=113
AND_ASSIGN=114
OR_ASSIGN=115
XOR_ASSIGN=116
MOD_ASSIGN=117
LSHIFT_ASSIGN=118
RSHIFT_ASSIGN=119
URSHIFT_ASSIGN=120
ARROW=121
COLONCOLON=122
AT=123
ELLIPSIS=124
WS=125
COMMENT=126
LINE_COMMENT=127
IDENTIFIER=128
'abstract'=1
'assert'=2
'boolean'=3
'break'=4
'byte'=5
'case'=6
'catch'=7
'char'=8
'class'=9
'const'=10
'continue'=11
'default'=12
'do'=13
'double'=14
'else'=15
'enum'=16
'extends'=17
'final'=18
'finally'=19
'float'=20
'for'=21
'if'=22
'goto'=23
'implements'=24
'import'=25
'instanceof'=26
'int'=27
'interface'=28
'long'=29
'native'=30
'new'=31
'package'=32
'private'=33
'protected'=34
'public'=35
'return'=36
'short'=37
'static'=38
'strictfp'=39
'super'=40
'switch'=41
'synchronized'=42
'this'=43
'throw'=44
'throws'=45
'transient'=46
'try'=47
'void'=48
'volatile'=49
'while'=50
'module'=51
'open'=52
'requires'=53
'exports'=54
'opens'=55
'to'=56
'uses'=57
'provides'=58
'with'=59
'transitive'=60
'var'=61
'yield'=62
'record'=63
'sealed'=64
'permits'=65
'non-sealed'=66
'null'=77
'('=78
')'=79
'{'=80
'}'=81
'['=82
']'=83
';'=84
','=85
'.'=86
'='=87
'>'=88
'<'=89
'!'=90
'~'=91
'?'=92
':'=93
'=='=94
'<='=95
'>='=96
'!='=97
'&&'=98
'||'=99
'++'=100
'--'=101
'+'=102
'-'=103
'*'=104
'/'=105
'&'=106
'|'=107
'^'=108
'%'=109
'+='=110
'-='=111
'*='=112
'/='=113
'&='=114
'|='=115
'^='=116
'%='=117
'<<='=118
'>>='=119
'>>>='=120
'->'=121
'::'=122
'@'=123
'...'=124

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37
pom.xml

@@ -12,37 +12,37 @@ http://maven.apache.org/maven-v4_0_0.xsd">
<url>http://maven.apache.org</url> <url>http://maven.apache.org</url>
<dependencies> <dependencies>
<dependency> <dependency>
<groupId>org.junit.jupiter</groupId> <groupId>junit</groupId>
<artifactId>junit-jupiter-api</artifactId> <artifactId>junit</artifactId>
<version>5.13.2</version> <version>4.11</version>
<scope>test</scope> <scope>test</scope>
</dependency> </dependency>
<!-- https://mvnrepository.com/artifact/org.antlr/antlr4 --> <!-- https://mvnrepository.com/artifact/org.antlr/antlr4 -->
<dependency> <dependency>
<groupId>org.antlr</groupId> <groupId>org.antlr</groupId>
<artifactId>antlr4</artifactId> <artifactId>antlr4</artifactId>
<version>4.13.2</version> <version>4.11.1</version>
</dependency> </dependency>
<dependency> <dependency>
<groupId>commons-io</groupId> <groupId>commons-io</groupId>
<artifactId>commons-io</artifactId> <artifactId>commons-io</artifactId>
<version>2.19.0</version> <version>2.6</version>
</dependency>
<dependency>
<groupId>io.github.classgraph</groupId>
<artifactId>classgraph</artifactId>
<version>4.8.180</version>
</dependency> </dependency>
<dependency> <dependency>
<groupId>com.google.guava</groupId> <groupId>com.google.guava</groupId>
<artifactId>guava</artifactId> <artifactId>guava</artifactId>
<version>33.4.8-jre</version> <version>22.0</version>
</dependency>
<dependency>
<groupId>org.reflections</groupId>
<artifactId>reflections</artifactId>
<version>0.9.11</version>
</dependency> </dependency>
<!-- https://mvnrepository.com/artifact/org.ow2.asm/asm --> <!-- https://mvnrepository.com/artifact/org.ow2.asm/asm -->
<dependency> <dependency>
<groupId>org.ow2.asm</groupId> <groupId>org.ow2.asm</groupId>
<artifactId>asm</artifactId> <artifactId>asm</artifactId>
<version>9.8</version> <version>9.5</version>
</dependency> </dependency>
</dependencies> </dependencies>
@@ -51,17 +51,16 @@ http://maven.apache.org/maven-v4_0_0.xsd">
<plugin> <plugin>
<groupId>org.apache.maven.plugins</groupId> <groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId> <artifactId>maven-compiler-plugin</artifactId>
<version>3.14.0</version> <version>3.11.0</version>
<configuration> <configuration>
<compilerArgs>--enable-preview</compilerArgs> <source>22</source>
<source>24</source> <target>22</target>
<target>24</target>
</configuration> </configuration>
</plugin> </plugin>
<plugin> <plugin>
<groupId>org.apache.maven.plugins</groupId> <groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId> <artifactId>maven-surefire-plugin</artifactId>
<version>3.5.3</version> <version>3.1.0</version>
<configuration> <configuration>
<redirectTestOutputToFile>true</redirectTestOutputToFile> <redirectTestOutputToFile>true</redirectTestOutputToFile>
<reportsDirectory>${project.build.directory}/test-reports</reportsDirectory> <reportsDirectory>${project.build.directory}/test-reports</reportsDirectory>
@@ -77,7 +76,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
<plugin> <plugin>
<groupId>org.antlr</groupId> <groupId>org.antlr</groupId>
<artifactId>antlr4-maven-plugin</artifactId> <artifactId>antlr4-maven-plugin</artifactId>
<version>4.13.2</version> <version>4.11.1</version>
<executions> <executions>
<execution> <execution>
<id>antlr</id> <id>antlr</id>
@@ -90,7 +89,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
<plugin> <plugin>
<groupId>org.apache.maven.plugins</groupId> <groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId> <artifactId>maven-jar-plugin</artifactId>
<version>3.4.2</version> <version>3.3.0</version>
<configuration> <configuration>
<archive> <archive>
<manifest> <manifest>

@@ -1,10 +0,0 @@
public class Bar{
void visit(Object o){
System.out.println("Object");
}
void visit(Bla f){
System.out.println("Foo");
}
}

@@ -1,12 +1,10 @@
public class Box { class Box<A> {
a; A a;
public Box() { } Box(A a) {
public Box(a) { this.a = a;
//this.a = a;
} }
set(x) { }
a = x;
}
}

@@ -1,6 +0,0 @@
public class Foo{
public accept(Bar b){
b.visit(this);
}
}

@@ -1,15 +0,0 @@
import java.lang.Integer;
public class Assign {
public x = 10;
public y = this;
public call() {
return this;
}
public m() {
this.call().call().y.x = 20;
return x;
}
}

@@ -1,9 +1,7 @@
public class Box<A> { class B { }
class Box_Main extends B {
A a; m(b) {
b.m(new Box_Main());
public Box() { } b.m(new B());
public Box(A a) { }
//this.a = a; }
}
}

@@ -0,0 +1,3 @@
class Box<A> {
void m(A a) { }
}

@@ -6,7 +6,7 @@ import java.util.stream.Stream;
public class Bug325 { public class Bug325 {
public main() { public main() {
var list = new ArrayList<>(List.of(1,2,3,4,5)); List<Integer> list = new ArrayList<>(List.of(1,2,3,4,5));
var func = x -> x*2; var func = x -> x*2;
return list.stream().map(func).toList(); return list.stream().map(func).toList();
} }

@@ -1,15 +0,0 @@
import java.lang.Object;
interface Visitor {
public void visit(Object obj);
public void visit(ClassA a);
}
class ClassA {
void accept(Visitor v) {
v.visit(this);
}
}
public class Bug332 {
}

@@ -1,11 +0,0 @@
import java.lang.String;
public class Bug333 {
public static String Bar = "Bar";
}
class Bar {
public bar() {
String s = Bug333.Bar;
}
}

@@ -1,10 +0,0 @@
import java.lang.Integer;
import java.lang.Number;
import java.lang.Object;
public class Bug337 {
public void main() {
Fun1$$<Object, Integer> fun1 = x -> x.hashCode() + 1;
Fun1$$<Number, Number> fun2 = fun1;
}
}

@@ -1,11 +0,0 @@
import java.util.List;
import java.lang.Integer;
import java.lang.String;
import java.lang.Object;
import java.util.List;
public class Bug338 {
public hashCode() {
return List.of(42);
}
}

@@ -1,2 +0,0 @@
public record Bug343() {
}

@@ -1,22 +0,0 @@
import java.lang.String;
public class Bug363 {
uncurry (f){
return x -> f.apply(x);
}
uncurry (f){
return (x, y) -> f.apply(x).apply(y);
}
uncurry (f){
return (x, y, z) -> f.apply(x).apply(y).apply(z);
}
public test(){
var f = x -> y -> z -> x + y + z;
var g = uncurry(f);
return g.apply("A", "B", "C"); // Outputs: 6
}
}

@@ -1,8 +0,0 @@
import java.lang.String;
public class Bug364{
public main(){
var f = x -> y -> z -> x + y + z;
return f.apply("A").apply("B").apply("C");
}
}

@@ -1,21 +0,0 @@
import java.lang.String;
import java.lang.Object;
public class Bug365{
swap(f){
return x -> y -> f.apply(y).apply(x);
}
swap(Fun1$$<String, Fun1$$<String, Fun1$$<String, Object>>> f){
return x -> y -> z -> f.apply(z).apply(y).apply(x);
}
public ex1() {
var func = x -> y -> z -> x + y + z;
return func.apply("A").apply("B").apply("C");
}
public ex2() {
var func = x -> y -> z -> x + y + z;
return swap(func).apply("A").apply("B").apply("C");
}
}

@@ -1,12 +0,0 @@
import java.lang.Integer;
public class Bug366 {
public static lambda() {
return (a, b) -> a + b;
}
public static test() {
var l = lambda();
return l.apply(10, 20);
}
}

@@ -1,10 +0,0 @@
import java.lang.Boolean;
public class Bug371 {
static m1(x, y) { return x || y; }
static m2(x, y) { return x && y; }
public static test() {
return m2(m1(true, false), true);
}
}

@@ -1,17 +0,0 @@
import java.lang.Boolean;
import java.lang.Integer;
import java.lang.System;
import java.io.PrintStream;
import java.lang.Character;
public class Bug373 {
public static main() {
System.out.println(true);
System.out.println(false);
System.out.println(1);
System.out.println(1l);
System.out.println(1.0);
System.out.println(1.0f);
System.out.println('a');
}
}

@@ -0,0 +1,16 @@
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.lang.String;
import java.util.stream.Stream;
import java.util.function.Function;
import java.util.function.Predicate;
import java.lang.Integer;
class BugXXX {
public main() {
List<Integer> i = new ArrayList<>(List.of(1,2,3,4,5,6,7,8,9,10));
Optional<Integer> tmp = i.stream().filter(x -> x == 5).map(x -> x*2).findFirst();
return tmp;
}
}

@@ -1 +0,0 @@
public record GenericRecord<T>(T a) {}

@@ -1,24 +0,0 @@
import java.lang.String;
import java.lang.Integer;
sealed interface List permits LinkedElem, Elem {}
public record LinkedElem<T>(T a,List l) implements List{}
public record Elem<T>(T c) implements List{}
public class GenericRecordSwitchCase {
public main(o) {
return switch(o) {
case LinkedElem(a, Elem(e)) -> a ;
case LinkedElem(a, LinkedElem(e, Elem(f))) -> a;
};
}
}

@@ -1,5 +0,0 @@
import java.lang.*;
public class ImportWildcard {
m(a, b) { return a * b; }
}

@@ -0,0 +1,16 @@
import java.lang.Runnable;
import java.lang.System;
import java.lang.String;
import java.io.PrintStream;
public class LamRunnable {
public LamRunnable() {
Runnable lam = () -> {
System.out.println("lambda");
};
lam.run();
}
}

@@ -1,14 +0,0 @@
import java.lang.Object;
import java.lang.System;
import java.lang.Iterable;
import java.io.PrintStream;
import java.util.List;
import java.lang.String;
class Main {
static main(args) {
for (var arg : args) {
System.out.println(arg);
}
}
}

@@ -1,20 +0,0 @@
import java.lang.Object;
import java.lang.Integer;
import java.lang.Float;
public record R(Object nested) {}
public class OverloadNestedPattern {
public Integer m(R(R(Integer a)), R(Integer b)) {
return 1;
}
public Integer m(R(R(Float a)), R(Float b)) {
return 2;
}
public Integer m(R(Integer a), R(Integer b)) {
return 3;
}
}

@@ -2,31 +2,15 @@ import java.lang.Integer;
import java.lang.Number; import java.lang.Number;
import java.lang.Float; import java.lang.Float;
public record Point(Number x, Number y) {} record Point(Number x, Number y) {}
public class OverloadPattern { public class OverloadPattern {
public Number m(Point(Integer x, Integer y), Point(Float a, Float b)) { public m(Point(Integer x, Integer y)) {
return 1; return x + y;
} }
public Number m(Point(Integer x, Integer y), Point(Integer a, Integer b)) { public m(Point(Float x, Float y)) {
return 2; return x * y;
}
public Number m(Point(Float x, Float y), Point(Integer a, Integer b)) {
return 3;
}
public Number m(Point(Float x, Float y), Point(Float a, Float b)) {
return 4;
}
public Number m(Point(Integer x, Integer y)) {
return 5;
}
public Number m(Point(Float x, Float y)) {
return 6;
} }
public m(Integer x) { public m(Integer x) {

@@ -1,21 +0,0 @@
import java.lang.Boolean;
sealed interface List<T> permits LinkedElem, Elem {}
public record LinkedElem<T>(T a, List<T> l) implements List<T> {}
public record Elem<T>(T a) implements List<T> {}
public class PatternMatchingHaskellStyle {
public append(LinkedElem(a, b), list2) {
return handleAppend(a, b, list2);
}
private handleAppend(a, Elem(e), list2) {
return new LinkedElem<>(a, new LinkedElem<>(e, list2));
}
private handleAppend(a, LinkedElem(e,r), list2) {
return new LinkedElem<>(a, append(new LinkedElem(e, r), list2));
}
}

@@ -1,26 +0,0 @@
import java.lang.Boolean;
import java.lang.Object;
sealed interface List<T> permits Cons, Empty {}
public record Cons<T>(T a, List<T> l) implements List<T> {}
public record Empty<T>() implements List<T> {}
public class PatternMatchingListAppend {
public append(Cons(a, b), list2) {
return new Cons<>(a, append(b, list2));
}
public append(Empty(), list2) {
return list2;
}
/*public append(a, list2) {
switch(a) {
case Cons(x, y) -> ...
case Empty() ->
}
}*/
}

@@ -1,17 +0,0 @@
import java.lang.Integer;
import java.lang.Double;
import java.lang.Number;
import java.lang.String;
public record R(Number n) {}
public class SwitchOverload {
public f(){}
public m(r) {
return switch(r) {
case R("test") -> f();
};
}
}

@@ -11,7 +11,7 @@ public class Switch {
case Rec(Integer a, Float b) -> a + 10; case Rec(Integer a, Float b) -> a + 10;
case Rec(Integer a, Rec(Integer b, Integer c)) -> a + b + c; case Rec(Integer a, Rec(Integer b, Integer c)) -> a + b + c;
case Integer i -> i; case Integer i -> i;
//default -> 0; default -> 0;
}; };
} }
} }

@@ -1,16 +0,0 @@
sealed interface List<T> permits LinkedElem, Elem {}
public record LinkedElem<T>(T a, List<T> l) implements List<T> {}
public record Elem<T>(T a) implements List<T> {}
public class SwitchAppend {
public append(l1, l2) {
return switch(l1) {
case LinkedElem(a, Elem(e)) -> new LinkedElem<>(a, new LinkedElem<>(e, l2));
case LinkedElem(a, r) -> new LinkedElem<>(a, append(r, l2));
//Alternativ:
//case LinkedElem(a, LinkedElem(e, r)) -> new LinkedElem<>(a, append(new LinkedElem(e, r), l2));
//default -> null;
};
}
}

@@ -1,22 +0,0 @@
import java.lang.Integer;
import java.lang.Object;
import java.lang.Float;
import java.lang.String;
public class NumberOrText{}
public class Text extends NumberOrText{};
public class Number extends NumberOrText{};
public record Cons(Integer a, NumberOrText l){}
public class SwitchCaseHeritageDetection {
public main(o) {
return switch(o) {
case Cons(a, Text b) -> "Second Element is a Text";
case Cons(a, Number b) -> "Second Element is a Number";
default -> "None of the above cases";
};
}
}

@@ -1,17 +0,0 @@
import java.lang.Integer;
import java.lang.Object;
import java.lang.Float;
import java.lang.String;
public record Rec(Object a, Object b) {}
public class SwitchInfered {
public main(o) {
return switch (o) {
case Rec(a, b) -> "asd";
default -> "cde";
};
}
}

@@ -1,14 +0,0 @@
import java.lang.Object;
import java.lang.Integer;
public record R(Integer i) {}
public class SwitchNestedValue {
public main(r) {
return switch(r) {
case R(10) -> 1;
case R(20) -> 2;
case R(i) -> 3;
};
}
}

@@ -1,21 +0,0 @@
import java.lang.Integer;
import java.lang.Double;
import java.lang.Number;
public record R(Number n) {}
public class SwitchOverload {
Number f(Double d) { return d * 2; }
Number f(Integer i) { return i * 5; }
public m(r, x) {
x = x + x;
return switch(r) {
case R(o) -> {
x = x + x;
yield f(o);
}
};
}
}

@@ -1,27 +0,0 @@
import java.lang.Integer;
import java.lang.Object;
import java.lang.Float;
import java.lang.String;
sealed interface List permits LinkedElem, Elem {}
public record LinkedElem(Integer a,List l) implements List{} //Implementiert List und wird auch permittet
public record Elem(Integer c) implements List{} //Implementiert List, wird aber nicht permittet
public class SwitchCaseHeritageDetection {
public main(o) {
return switch(o) {
case LinkedElem(a, Elem(e)) -> a + e;
case LinkedElem(a, LinkedElem(e, Elem(f))) -> a + e + f;
default -> 0;
};
}
}

@@ -9,13 +9,4 @@ public class While {
} }
return x; return x;
} }
public m2() {
int i = 0;
do {
++i;
} while(i < 10);
return i;
}
} }

@@ -2,21 +2,41 @@ import java.lang.Integer;
public class Y { public class Y {
y; y;
//factorial;
public Y() { public Y() {
y = f -> t -> f.apply(y.apply(f)).apply(t); y = f -> t -> f.apply(y.apply(f)).apply(t);
//factorial = y.apply(f -> n -> { if (n == 0) return 1; else return n * f.apply(n - 1); });
}
/*
getY() {
return y;
}
*/
}
/*
class fac1 {
factorial;
fac1() {
var y;
y = new Y<Integer,Integer,Integer,Integer,Integer>().getY();
factorial = y.apply(f -> n -> { if (n == 0) return 1; else return n * f.apply(n - 1); });
} }
} }
public class Fac1 { ergibt Parse-Error
public factorial; class fac1 {
public Fac1() { factorial;
fac1() {
var y; var y;
var tmp = new Y<>(); // TODO Having new Y<>().y on one line doesn't work, see FIXME in StatementGenerator y = new Y<>().y;
y = tmp.y;
factorial = y.apply(f -> n -> { if (n == 0) return 1; else return n * f.apply(n - 1); }); factorial = y.apply(f -> n -> { if (n == 0) return 1; else return n * f.apply(n - 1); });
} }
public static void main(String args[]) {
public fac(v) { System.out.println(new fac1().factorial.apply(3));
return factorial.apply(v);
} }
}
}
*/

@@ -654,17 +654,14 @@ primaryPattern
: typePattern #tPattern : typePattern #tPattern
| recordPattern #rPattern | recordPattern #rPattern
| '(' pattern ')' #enclosedPattern | '(' pattern ')' #enclosedPattern
| literal (',' literal)* #lPattern
; ;
recordPattern recordPattern
: typeType recordStructurePattern identifier? : typeType recordStructurePattern identifier?
//| recordStructurePattern identifier?
; ;
typePattern typePattern
: variableModifier* typeType identifier : variableModifier* typeType identifier
| variableModifier* identifier
; ;
recordStructurePattern recordStructurePattern
@@ -720,10 +717,10 @@ switchLabeledRule
; ;
switchLabelCase switchLabelCase
: CASE NULL_LITERAL (ARROW | COLON) #labeledRuleNull : CASE expressionList (ARROW | COLON) #labeledRuleExprList
| CASE NULL_LITERAL (ARROW | COLON) #labeledRuleNull
| CASE pattern (ARROW | COLON) #labeledRulePattern | CASE pattern (ARROW | COLON) #labeledRulePattern
| DEFAULT (ARROW | COLON) #labeledRuleDefault | DEFAULT (ARROW | COLON) #labeledRuleDefault
| CASE expressionList (ARROW | COLON) #labeledRuleExprList
; ;
// Java20 // Java20

@@ -2,9 +2,12 @@ package de.dhbwstuttgart.bytecode;
import de.dhbwstuttgart.core.JavaTXCompiler; import de.dhbwstuttgart.core.JavaTXCompiler;
import de.dhbwstuttgart.exceptions.NotImplementedException; import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.parser.scope.JavaClassName; import de.dhbwstuttgart.parser.scope.JavaClassName;
import de.dhbwstuttgart.syntaxtree.ClassOrInterface; import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.target.generate.ASTToTargetAST; import de.dhbwstuttgart.target.generate.ASTToTargetAST;
import de.dhbwstuttgart.target.generate.StatementToTargetExpression;
import de.dhbwstuttgart.target.tree.*; import de.dhbwstuttgart.target.tree.*;
import de.dhbwstuttgart.target.tree.expression.*; import de.dhbwstuttgart.target.tree.expression.*;
import de.dhbwstuttgart.target.tree.type.*; import de.dhbwstuttgart.target.tree.type.*;
@@ -13,7 +16,7 @@ import org.objectweb.asm.*;
import java.lang.invoke.*; import java.lang.invoke.*;
import java.lang.reflect.Modifier; import java.lang.reflect.Modifier;
import java.util.*; import java.util.*;
import java.util.stream.Collectors; import java.util.stream.IntStream;
import static org.objectweb.asm.Opcodes.*; import static org.objectweb.asm.Opcodes.*;
import static de.dhbwstuttgart.target.tree.expression.TargetBinaryOp.*; import static de.dhbwstuttgart.target.tree.expression.TargetBinaryOp.*;
@@ -28,21 +31,15 @@ public class Codegen {
private final JavaTXCompiler compiler; private final JavaTXCompiler compiler;
private final ASTToTargetAST converter; private final ASTToTargetAST converter;
private class CustomClassWriter extends ClassWriter {
public CustomClassWriter() {
super(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
}
@Override
protected ClassLoader getClassLoader() {
return compiler.getClassLoader();
}
}
public Codegen(TargetStructure clazz, JavaTXCompiler compiler, ASTToTargetAST converter) { public Codegen(TargetStructure clazz, JavaTXCompiler compiler, ASTToTargetAST converter) {
this.clazz = clazz; this.clazz = clazz;
this.className = clazz.qualifiedName().getClassName(); this.className = clazz.qualifiedName().getClassName();
this.cw = new CustomClassWriter(); this.cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS) {
@Override
protected ClassLoader getClassLoader() {
return compiler.getClassLoader();
}
};
this.compiler = compiler; this.compiler = compiler;
this.converter = converter; this.converter = converter;
} }
@@ -85,16 +82,16 @@ public class Codegen {
int localCounter; int localCounter;
MethodVisitor mv; MethodVisitor mv;
TargetType returnType; TargetType returnType;
boolean isStatic = false; // This is used to remember the type from lambda expressions
TargetType contextType;
Stack<BreakEnv> breakStack = new Stack<>(); Stack<BreakEnv> breakStack = new Stack<>();
Stack<Integer> switchResultValue = new Stack<>(); Stack<Integer> switchResultValue = new Stack<>();
State(TargetType returnType, MethodVisitor mv, int localCounter, boolean isStatic) { State(TargetType returnType, MethodVisitor mv, int localCounter) {
this.returnType = returnType; this.returnType = returnType;
this.mv = mv; this.mv = mv;
this.localCounter = localCounter; this.localCounter = localCounter;
this.isStatic = isStatic;
} }
void enterScope() { void enterScope() {
@@ -105,10 +102,6 @@ public class Codegen {
this.scope = this.scope.parent; this.scope = this.scope.parent;
} }
LocalVar createVariable(TargetType type) {
return createVariable("__var" + this.localCounter, type);
}
LocalVar createVariable(String name, TargetType type) { LocalVar createVariable(String name, TargetType type) {
var local = new LocalVar(localCounter, name, type); var local = new LocalVar(localCounter, name, type);
scope.add(local); scope.add(local);
@@ -232,9 +225,9 @@ public class Codegen {
if (source.equals(dest)) if (source.equals(dest))
return; return;
if (source.equals(TargetType.Long)) { if (source.equals(TargetType.Long)) {
if (dest.equals(TargetType.Integer)) if (dest.equals(TargetType.Integer)) {
mv.visitInsn(L2I); mv.visitInsn(L2I);
else if (dest.equals(TargetType.Float)) } else if (dest.equals(TargetType.Float))
mv.visitInsn(L2F); mv.visitInsn(L2F);
else if (dest.equals(TargetType.Double)) else if (dest.equals(TargetType.Double))
mv.visitInsn(L2D); mv.visitInsn(L2D);
@@ -277,45 +270,13 @@ public class Codegen {
mv.visitInsn(I2F); mv.visitInsn(I2F);
else if (dest.equals(TargetType.Double)) else if (dest.equals(TargetType.Double))
mv.visitInsn(I2D); mv.visitInsn(I2D);
} else if (source.equals(TargetType.Boolean)) {
unboxPrimitive(state, dest);
} else if (isFunctionalInterface(source) && isFunctionalInterface(dest) &&
!(source instanceof TargetFunNType && dest instanceof TargetFunNType)) {
boxFunctionalInterface(state, source, dest);
} else if (!(dest instanceof TargetGenericType)) { } else if (!(dest instanceof TargetGenericType)) {
//boxPrimitive(state, source); boxPrimitive(state, source);
mv.visitTypeInsn(CHECKCAST, dest.getInternalName()); mv.visitTypeInsn(CHECKCAST, dest.getInternalName());
unboxPrimitive(state, dest); unboxPrimitive(state, dest);
} }
} }
record TypePair(TargetType from, TargetType to) {}
private Map<TypePair, String> funWrapperClasses = new HashMap<>();
private void boxFunctionalInterface(State state, TargetType source, TargetType dest) {
var mv = state.mv;
var className = "FunWrapper$$" +
source.name().replaceAll("\\.", "\\$") +
"$_$" +
dest.name().replaceAll("\\.", "\\$");
funWrapperClasses.put(new TypePair(source, dest), className);
mv.visitTypeInsn(NEW, className);
mv.visitInsn(DUP_X1);
mv.visitInsn(SWAP);
mv.visitMethodInsn(INVOKESPECIAL, className, "<init>", "(" + source.toDescriptor() + ")V", false);
}
private boolean isFunctionalInterface(TargetType type) {
if (type instanceof TargetFunNType) return true;
if (type instanceof TargetRefType) {
var clazz = compiler.getClass(new JavaClassName(type.name()));
return (clazz.getModifiers() & Modifier.INTERFACE) != 0 && clazz.isFunctionalInterface();
}
return false;
}
private TargetType largerType(TargetType left, TargetType right) { private TargetType largerType(TargetType left, TargetType right) {
if (left.equals(TargetType.String) || right.equals(TargetType.String)) { if (left.equals(TargetType.String) || right.equals(TargetType.String)) {
return TargetType.String; return TargetType.String;
@@ -762,29 +723,44 @@ public class Codegen {
} }
} }
private static TargetType removeGenerics(TargetType param) {
return switch (param) {
case null -> null;
case TargetFunNType funNType -> new TargetFunNType(funNType.name(), funNType.funNParams(), List.of(), funNType.returnArguments());
case TargetRefType refType -> new TargetRefType(refType.name());
case TargetGenericType targetGenericType -> TargetType.Object;
default -> param;
};
}
private void generateLambdaExpression(State state, TargetLambdaExpression lambda) { private void generateLambdaExpression(State state, TargetLambdaExpression lambda) {
var mv = state.mv; var mv = state.mv;
String methodName = "apply"; String methodName = "apply";
TargetMethod.Signature signature = new TargetMethod.Signature(Set.of(), TargetMethod.Signature signature = null;
lambda.signature().parameters().stream().map(
par -> par.withType(TargetType.Object)).toList(), if (!(state.contextType instanceof TargetFunNType ctx)) {
lambda.signature().returnType() != null ? TargetType.Object : null); var intf = compiler.getClass(new JavaClassName(state.contextType.name()));
if (intf != null) {
var method = intf.getMethods().stream().filter(m -> Modifier.isAbstract(m.modifier)).findFirst().orElseThrow();
methodName = method.getName();
var methodParams = new ArrayList<MethodParameter>();
for (var i = 0; i < lambda.signature().parameters().size(); i++) {
var param = lambda.signature().parameters().get(i);
var tpe = converter.convert(method.getParameterList().getParameterAt(i).getType());
methodParams.add(param.withType(tpe));
}
var retType = converter.convert(method.getReturnType());
signature = new TargetMethod.Signature(Set.of(), methodParams, retType);
}
}
if (signature == null) {
signature = new TargetMethod.Signature(Set.of(), lambda.signature().parameters().stream().map(par -> par.withType(TargetType.Object)).toList(), TargetType.Object);
}
signature = new TargetMethod.Signature(
signature.generics(),
signature.parameters().stream().map(par ->
par.withType(par.pattern().type() instanceof TargetGenericType ? TargetType.Object : par.pattern().type())
).toList(),
signature.returnType() instanceof TargetGenericType ? TargetType.Object : signature.returnType()
);
var parameters = new ArrayList<>(lambda.captures()); var parameters = new ArrayList<>(lambda.captures());
parameters.addAll(signature.parameters()); parameters.addAll(signature.parameters());
parameters = parameters.stream().map(param -> param.withType(removeGenerics(param.pattern().type()))).collect(Collectors.toCollection(ArrayList::new)); var implSignature = new TargetMethod.Signature(Set.of(), parameters, lambda.signature().returnType());
var implSignature = new TargetMethod.Signature(Set.of(), parameters, removeGenerics(lambda.signature().returnType()));
// Normalize
TargetMethod impl; TargetMethod impl;
if (lambdas.containsKey(lambda)) { if (lambdas.containsKey(lambda)) {
@@ -792,22 +768,22 @@ public class Codegen {
} else { } else {
var name = "lambda$" + lambdaCounter++; var name = "lambda$" + lambdaCounter++;
impl = new TargetMethod(state.isStatic ? ACC_STATIC : 0, name, lambda.block(), implSignature, null); impl = new TargetMethod(0, name, lambda.block(), implSignature, null);
generateMethod(impl, state); generateMethod(impl);
lambdas.put(lambda, impl); lambdas.put(lambda, impl);
} }
var mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class, MethodType.class, MethodHandle.class, MethodType.class); var mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class, MethodType.class, MethodHandle.class, MethodType.class);
var bootstrap = new Handle(H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", "metafactory", mt.toMethodDescriptorString(), false); var bootstrap = new Handle(H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", "metafactory", mt.toMethodDescriptorString(), false);
var handle = new Handle(state.isStatic ? H_INVOKESTATIC : H_INVOKEVIRTUAL, clazz.getName(), impl.name(), implSignature.getDescriptor(), false); var handle = new Handle(H_INVOKEVIRTUAL, clazz.getName(), impl.name(), implSignature.getDescriptor(), false);
var params = new ArrayList<TargetType>(); var params = new ArrayList<TargetType>();
if(!state.isStatic) params.add(new TargetRefType(clazz.qualifiedName().getClassName())); params.add(new TargetRefType(clazz.qualifiedName().getClassName()));
params.addAll(lambda.captures().stream().map(mp -> mp.pattern().type()).toList()); params.addAll(lambda.captures().stream().map(mp -> mp.pattern().type()).toList());
if (!state.isStatic) var descriptor = TargetMethod.getDescriptor(state.contextType, params.toArray(TargetType[]::new));
mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 0);
for (var index = 0; index < lambda.captures().size(); index++) { for (var index = 0; index < lambda.captures().size(); index++) {
var capture = lambda.captures().get(index); var capture = lambda.captures().get(index);
var pattern = (TargetTypePattern) capture.pattern(); var pattern = (TargetTypePattern) capture.pattern();
@@ -816,42 +792,9 @@ public class Codegen {
mv.visitTypeInsn(CHECKCAST, capture.pattern().type().getInternalName()); mv.visitTypeInsn(CHECKCAST, capture.pattern().type().getInternalName());
} }
var descriptor = TargetMethod.getDescriptor(lambda.type(), params.toArray(TargetType[]::new));
mv.visitInvokeDynamicInsn(methodName, descriptor, bootstrap, Type.getType(signature.getSignature()), handle, Type.getType(signature.getDescriptor())); mv.visitInvokeDynamicInsn(methodName, descriptor, bootstrap, Type.getType(signature.getSignature()), handle, Type.getType(signature.getDescriptor()));
} }
private int findReturnCode(TargetType returnType) {
if (returnType.equals(TargetType.boolean_)
|| returnType.equals(TargetType.char_)
|| returnType.equals(TargetType.int_)
|| returnType.equals(TargetType.short_)
|| returnType.equals(TargetType.byte_))
return IRETURN;
else if (returnType.equals(TargetType.long_))
return LRETURN;
else if (returnType.equals(TargetType.float_))
return FRETURN;
else if (returnType.equals(TargetType.double_))
return DRETURN;
return ARETURN;
}
private int findLoadCode(TargetType loadType) {
if (loadType.equals(TargetType.boolean_)
|| loadType.equals(TargetType.char_)
|| loadType.equals(TargetType.int_)
|| loadType.equals(TargetType.short_)
|| loadType.equals(TargetType.byte_))
return ILOAD;
else if (loadType.equals(TargetType.long_))
return LLOAD;
else if (loadType.equals(TargetType.float_))
return FLOAD;
else if (loadType.equals(TargetType.double_))
return DLOAD;
return ALOAD;
}
private void generate(State state, TargetExpression expr) { private void generate(State state, TargetExpression expr) {
var mv = state.mv; var mv = state.mv;
switch (expr) { switch (expr) {
@@ -876,7 +819,10 @@ public class Codegen {
break; break;
} }
case TargetCast cast: case TargetCast cast:
var ctx = state.contextType;
state.contextType = cast.type();
generate(state, cast.expr()); generate(state, cast.expr());
state.contextType = ctx;
convertTo(state, cast.expr().type(), cast.type()); convertTo(state, cast.expr().type(), cast.type());
break; break;
case TargetInstanceOf instanceOf: case TargetInstanceOf instanceOf:
@@ -921,7 +867,10 @@ public class Codegen {
case TargetAssign assign: { case TargetAssign assign: {
switch (assign.left()) { switch (assign.left()) {
case TargetLocalVar localVar -> { case TargetLocalVar localVar -> {
var ctype = state.contextType;
state.contextType = localVar.type();
generate(state, assign.right()); generate(state, assign.right());
state.contextType = ctype;
convertTo(state, assign.right().type(), localVar.type()); convertTo(state, assign.right().type(), localVar.type());
boxPrimitive(state, localVar.type()); boxPrimitive(state, localVar.type());
@@ -934,7 +883,10 @@ public class Codegen {
if (!(dot.left() instanceof TargetThis && dot.isStatic())) if (!(dot.left() instanceof TargetThis && dot.isStatic()))
generate(state, dot.left()); generate(state, dot.left());
var ctype = state.contextType;
state.contextType = fieldType;
generate(state, assign.right()); generate(state, assign.right());
state.contextType = ctype;
convertTo(state, assign.right().type(), fieldType); convertTo(state, assign.right().type(), fieldType);
boxPrimitive(state, fieldType); boxPrimitive(state, fieldType);
@@ -1026,27 +978,6 @@ public class Codegen {
mv.visitLabel(end); mv.visitLabel(end);
break; break;
} }
case TargetDo _do: {
Label start = new Label();
Label end = new Label();
Label check = new Label();
var env = new BreakEnv();
env.startLabel = check;
env.endLabel = end;
mv.visitLabel(start);
state.breakStack.push(env);
generate(state, _do.body());
state.breakStack.pop();
mv.visitLabel(check);
generate(state, _do.cond());
mv.visitJumpInsn(IFEQ, end);
mv.visitJumpInsn(GOTO, start);
mv.visitLabel(end);
break;
}
case TargetIf _if: { case TargetIf _if: {
generate(state, _if.cond()); generate(state, _if.cond());
Label _else = new Label(); Label _else = new Label();
@@ -1064,12 +995,29 @@ public class Codegen {
case TargetReturn ret: { case TargetReturn ret: {
if (ret.expression() != null && state.returnType != null) { if (ret.expression() != null && state.returnType != null) {
if (state.returnType instanceof TargetPrimitiveType) { if (state.returnType instanceof TargetPrimitiveType) {
var ctype = state.contextType;
state.contextType = state.returnType;
generate(state, ret.expression()); generate(state, ret.expression());
state.contextType = ctype;
unboxPrimitive(state, state.returnType); unboxPrimitive(state, state.returnType);
mv.visitInsn(findReturnCode(state.returnType)); if (state.returnType.equals(TargetType.boolean_)
|| state.returnType.equals(TargetType.char_)
|| state.returnType.equals(TargetType.int_)
|| state.returnType.equals(TargetType.short_)
|| state.returnType.equals(TargetType.byte_))
mv.visitInsn(IRETURN);
else if (state.returnType.equals(TargetType.long_))
mv.visitInsn(LRETURN);
else if (state.returnType.equals(TargetType.float_))
mv.visitInsn(FRETURN);
else if (state.returnType.equals(TargetType.double_))
mv.visitInsn(DRETURN);
} else { } else {
var ctype = state.contextType;
state.contextType = state.returnType;
generate(state, ret.expression()); generate(state, ret.expression());
state.contextType = ctype;
boxPrimitive(state, ret.expression().type()); boxPrimitive(state, ret.expression().type());
convertTo(state, ret.expression().type(), state.returnType); convertTo(state, ret.expression().type(), state.returnType);
mv.visitInsn(ARETURN); mv.visitInsn(ARETURN);
@@ -1120,10 +1068,12 @@ public class Codegen {
for (var i = 0; i < call.args().size(); i++) { for (var i = 0; i < call.args().size(); i++) {
var e = call.args().get(i); var e = call.args().get(i);
var arg = call.parameterTypes().get(i); var arg = call.parameterTypes().get(i);
var ctype = state.contextType;
state.contextType = arg;
generate(state, e); generate(state, e);
convertTo(state, e.type(), arg);
if (!(arg instanceof TargetPrimitiveType)) if (!(arg instanceof TargetPrimitiveType))
boxPrimitive(state, e.type()); boxPrimitive(state, e.type());
state.contextType = ctype;
} }
var descriptor = call.getDescriptor(); var descriptor = call.getDescriptor();
if (call.owner() instanceof TargetFunNType) // Decay FunN if (call.owner() instanceof TargetFunNType) // Decay FunN
@@ -1309,7 +1259,8 @@ public class Codegen {
state.enterScope(); state.enterScope();
// This is the index to start the switch from // This is the index to start the switch from
mv.visitInsn(ICONST_0); mv.visitInsn(ICONST_0);
state.pushSwitch(); if (aSwitch.isExpression())
state.pushSwitch();
// To be able to skip ahead to the next case // To be able to skip ahead to the next case
var start = new Label(); var start = new Label();
@@ -1323,17 +1274,16 @@ public class Codegen {
var mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class, Object[].class); var mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class, Object[].class);
var bootstrap = new Handle(H_INVOKESTATIC, "java/lang/runtime/SwitchBootstraps", "typeSwitch", mt.toMethodDescriptorString(), false); var bootstrap = new Handle(H_INVOKESTATIC, "java/lang/runtime/SwitchBootstraps", "typeSwitch", mt.toMethodDescriptorString(), false);
var types = new ArrayList<>(aSwitch.cases().size()); var types = new ArrayList<Object>(aSwitch.cases().size());
for (var cse : aSwitch.cases()) for (var label : cse.labels()) { for (var cse : aSwitch.cases()) for (var label : cse.labels()) {
if (label instanceof TargetTypePattern || label instanceof TargetComplexPattern) { if (label instanceof TargetTypePattern || label instanceof TargetComplexPattern)
if (label.type() instanceof TargetGenericType) types.add(Type.getType(Object.class)); types.add(Type.getObjectType(label.type().getInternalName()));
else types.add(Type.getObjectType(label.type().getInternalName())); else if (label instanceof TargetLiteral lit)
} else if (label instanceof TargetLiteral lit) {
types.add(lit.value()); types.add(lit.value());
} else if (label instanceof TargetGuard guard) { else if (label instanceof TargetGuard guard)
types.add(Type.getObjectType(guard.inner().type().getInternalName())); types.add(Type.getObjectType(guard.inner().type().getInternalName()));
// TODO Same here we need to evaluate constant; // TODO Same here we need to evaluate constant;
} else { else {
System.out.println(label); System.out.println(label);
throw new NotImplementedException(); throw new NotImplementedException();
} }
@@ -1354,7 +1304,11 @@ public class Codegen {
} }
} }
var defaultLabel = new Label(); var defaultLabel = end;
if (aSwitch.default_() != null) {
defaultLabel = new Label();
}
mv.visitTableSwitchInsn(0, labels.length - 1, defaultLabel, labels); mv.visitTableSwitchInsn(0, labels.length - 1, defaultLabel, labels);
for (var i = 0; i < aSwitch.cases().size(); i++) { for (var i = 0; i < aSwitch.cases().size(); i++) {
@@ -1389,18 +1343,11 @@ public class Codegen {
if (aSwitch.isExpression()) mv.visitJumpInsn(GOTO, end); if (aSwitch.isExpression()) mv.visitJumpInsn(GOTO, end);
} }
mv.visitLabel(defaultLabel);
if (aSwitch.default_() != null) { if (aSwitch.default_() != null) {
mv.visitLabel(defaultLabel);
generate(state, aSwitch.default_().body()); generate(state, aSwitch.default_().body());
if (aSwitch.default_().isSingleExpression() && aSwitch.isExpression()) if (aSwitch.default_().isSingleExpression() && aSwitch.isExpression())
yieldValue(state, aSwitch.default_().body().statements().get(0).type()); yieldValue(state, aSwitch.default_().body().statements().get(0).type());
} else {
// throw illegal argument exception on missing default case
mv.visitTypeInsn(NEW, "java/lang/IllegalArgumentException");
mv.visitInsn(DUP);
mv.visitLdcInsn("Unhandled case value");
mv.visitMethodInsn(INVOKESPECIAL, "java/lang/IllegalArgumentException", "<init>", "(Ljava/lang/String;)V", false);
mv.visitInsn(ATHROW);
} }
mv.visitLabel(end); mv.visitLabel(end);
@@ -1408,10 +1355,8 @@ public class Codegen {
state.breakStack.pop(); state.breakStack.pop();
if (aSwitch.isExpression()) { if (aSwitch.isExpression()) {
if (aSwitch.type() != null) { mv.visitVarInsn(ALOAD, state.switchResultValue.peek());
mv.visitVarInsn(ALOAD, state.switchResultValue.peek()); unboxPrimitive(state, aSwitch.type());
unboxPrimitive(state, aSwitch.type());
}
state.popSwitch(); state.popSwitch();
} }
@@ -1422,50 +1367,30 @@ public class Codegen {
if (i >= clazz.getFieldDecl().size()) if (i >= clazz.getFieldDecl().size())
throw new CodeGenException("Couldn't find suitable field accessor for '" + type.name() + "'"); throw new CodeGenException("Couldn't find suitable field accessor for '" + type.name() + "'");
var field = clazz.getFieldDecl().get(i); var field = clazz.getFieldDecl().get(i);
var fieldType = converter.convert(field.getType()); var fieldType = new TargetRefType(((RefType) field.getType()).getName().toString());
state.mv.visitMethodInsn(INVOKEVIRTUAL, type.getInternalName(), field.getName(), "()" + fieldType.toSignature(), false); state.mv.visitMethodInsn(INVOKEVIRTUAL, type.getInternalName(), field.getName(), "()" + fieldType.toDescriptor(), false);
} }
private void bindPattern(State state, TargetType type, TargetPattern pat, Label start, int index, int depth) { private void bindPattern(State state, TargetType type, TargetPattern pat, Label start, int index, int depth) {
if (pat.type() instanceof TargetPrimitiveType) if (pat.type() instanceof TargetPrimitiveType)
boxPrimitive(state, pat.type()); boxPrimitive(state, pat.type());
if (pat.type() instanceof TargetRefType) { state.mv.visitInsn(DUP);
state.mv.visitInsn(DUP); state.mv.visitTypeInsn(INSTANCEOF, pat.type().getInternalName());
state.mv.visitTypeInsn(INSTANCEOF, pat.type().getInternalName());
var cont = new Label(); var cont = new Label();
state.mv.visitJumpInsn(IFNE, cont); state.mv.visitJumpInsn(IFNE, cont);
for (var i = 0; i < depth; i++) { for (var i = 0; i < depth; i++) {
state.mv.visitInsn(POP); state.mv.visitInsn(POP);
}
state.mv.visitVarInsn(ALOAD, state.switchResultValue.peek());
state.mv.visitLdcInsn(index + 1);
state.mv.visitJumpInsn(GOTO, start);
state.mv.visitLabel(cont);
state.mv.visitTypeInsn(CHECKCAST, pat.type().getInternalName());
} }
state.mv.visitVarInsn(ALOAD, state.switchResultValue.peek());
state.mv.visitLdcInsn(index + 1);
state.mv.visitJumpInsn(GOTO, start);
state.mv.visitLabel(cont);
if (pat instanceof TargetExpressionPattern ep) { state.mv.visitTypeInsn(CHECKCAST, pat.type().getInternalName());
var cur = state.createVariable(pat.type());
state.mv.visitVarInsn(ASTORE, cur.index);
var expr = new Equal(pat.type(), new TargetLocalVar(cur.type, cur.name), ep.expression()); if (pat instanceof TargetTypePattern sp) {
generate(state, expr);
var cont = new Label();
state.mv.visitJumpInsn(IFNE, cont);
for (var i = 0; i < depth - 1; i++) {
state.mv.visitInsn(POP);
}
state.mv.visitVarInsn(ALOAD, state.switchResultValue.peek());
state.mv.visitLdcInsn(index + 1);
state.mv.visitJumpInsn(GOTO, start);
state.mv.visitLabel(cont);
} else if (pat instanceof TargetTypePattern sp) {
var local = state.createVariable(sp.name(), sp.type()); var local = state.createVariable(sp.name(), sp.type());
state.mv.visitVarInsn(ASTORE, local.index); state.mv.visitVarInsn(ASTORE, local.index);
} else if (pat instanceof TargetComplexPattern cp) { } else if (pat instanceof TargetComplexPattern cp) {
@@ -1480,27 +1405,10 @@ public class Codegen {
// TODO Check if class is a Record // TODO Check if class is a Record
for (var i = 0; i < cp.subPatterns().size(); i++) { for (var i = 0; i < cp.subPatterns().size(); i++) {
var subPattern = cp.subPatterns().get(i);
state.mv.visitInsn(DUP); state.mv.visitInsn(DUP);
var subPattern = cp.subPatterns().get(i);
extractField(state, cp.type(), i, clazz); extractField(state, cp.type(), i, clazz);
if (subPattern.type() instanceof TargetRefType || subPattern.type() instanceof TargetExtendsWildcard) {
state.mv.visitInsn(DUP);
state.mv.visitTypeInsn(INSTANCEOF, subPattern.type().getInternalName());
var cont = new Label();
state.mv.visitJumpInsn(IFNE, cont);
for (var j = 0; j < depth + 1; j++) {
state.mv.visitInsn(POP);
}
state.mv.visitVarInsn(ALOAD, state.switchResultValue.peek());
state.mv.visitLdcInsn(index + 1);
state.mv.visitJumpInsn(GOTO, start);
state.mv.visitLabel(cont);
}
bindPattern(state, subPattern.type(), subPattern, start, index, depth + 1); bindPattern(state, subPattern.type(), subPattern, start, index, depth + 1);
} }
state.mv.visitInsn(POP); state.mv.visitInsn(POP);
@@ -1535,7 +1443,7 @@ public class Codegen {
MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "<clinit>", "()V", null, null); MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "<clinit>", "()V", null, null);
mv.visitCode(); mv.visitCode();
var state = new State(null, mv, 0, true); var state = new State(null, mv, 0);
generate(state, constructor.block()); generate(state, constructor.block());
mv.visitInsn(RETURN); mv.visitInsn(RETURN);
@@ -1549,7 +1457,7 @@ public class Codegen {
mv.visitAttribute(new JavaTXSignatureAttribute(constructor.getTXSignature())); mv.visitAttribute(new JavaTXSignatureAttribute(constructor.getTXSignature()));
mv.visitCode(); mv.visitCode();
var state = new State(null, mv, 1, false); var state = new State(null, mv, 1);
for (var param : constructor.parameters()) { for (var param : constructor.parameters()) {
var pattern = param.pattern(); var pattern = param.pattern();
if (pattern instanceof TargetTypePattern tp) if (pattern instanceof TargetTypePattern tp)
@@ -1573,53 +1481,33 @@ public class Codegen {
mv.visitEnd(); mv.visitEnd();
} }
private void bindLocalVariables(State state, TargetComplexPattern cp, int offset) { private int bindLocalVariables(State state, TargetPattern pattern, int offset, int field) {
state.mv.visitVarInsn(ALOAD, offset); if (pattern instanceof TargetComplexPattern cp) {
state.mv.visitVarInsn(ALOAD, offset);
var clazz = findClass(new JavaClassName(cp.type().name())); var clazz = findClass(new JavaClassName(cp.type().name()));
if (clazz == null) throw new CodeGenException("Class definition for '" + cp.type().name() + "' not found"); if (clazz == null) throw new CodeGenException("Class definition for '" + cp.type().name() + "' not found");
for (var i = 0; i < cp.subPatterns().size(); i++) { for (var i = 0; i < cp.subPatterns().size(); i++) {
var subPattern = cp.subPatterns().get(i); var subPattern = cp.subPatterns().get(i);
if (i < cp.subPatterns().size() - 1) if (i < cp.subPatterns().size() - 1)
state.mv.visitInsn(DUP); state.mv.visitInsn(DUP);
extractField(state, cp.type(), i, clazz); extractField(state, cp.type(), i, clazz);
if (subPattern.type() instanceof TargetRefType)
state.mv.visitTypeInsn(CHECKCAST, subPattern.type().getInternalName()); state.mv.visitTypeInsn(CHECKCAST, subPattern.type().getInternalName());
offset = state.createVariable(subPattern.name(), subPattern.type()).index; state.mv.visitVarInsn(ASTORE, offset);
state.mv.visitVarInsn(ASTORE, offset); offset = bindLocalVariables(state, subPattern, offset, i);
if (subPattern instanceof TargetComplexPattern cp2) {
bindLocalVariables(state, cp2, offset);
} }
} } else if (pattern instanceof TargetTypePattern tp) {
offset++;
state.createVariable(tp.name(), tp.type());
} else throw new NotImplementedException();
return offset;
} }
private void generateMethod(TargetMethod method) { private void generateMethod(TargetMethod method) {
generateMethod(method, null);
}
private void generateMainMethod() {
var mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null);
mv.visitCode();
mv.visitVarInsn(ALOAD, 0);
mv.visitMethodInsn(INVOKESTATIC, "java/util/List", "of", "([Ljava/lang/Object;)Ljava/util/List;", true);
mv.visitMethodInsn(INVOKESTATIC, className, "main", "(Ljava/util/List;)V", false);
mv.visitInsn(RETURN);
mv.visitMaxs(0, 0);
mv.visitEnd();
}
private void generateMethod(TargetMethod method, State parent) {
var access = method.access(); var access = method.access();
var params = method.signature().parameters();
if (method.name().equals("main") && method.isStatic() && params.size() == 1 &&
params.getFirst().pattern().type().equals(new TargetRefType("java.util.List", List.of(new TargetRefType("java.lang.String"))))) {
generateMainMethod();
}
if (method.block() == null) if (method.block() == null)
access |= ACC_ABSTRACT; access |= ACC_ABSTRACT;
if (clazz instanceof TargetInterface) if (clazz instanceof TargetInterface)
@@ -1633,21 +1521,10 @@ public class Codegen {
if (method.block() != null) { if (method.block() != null) {
mv.visitCode(); mv.visitCode();
var state = new State(method.signature().returnType(), mv, method.isStatic() ? 0 : 1, method.isStatic()); var state = new State(method.signature().returnType(), mv, method.isStatic() ? 0 : 1);
if (parent != null) {
state.scope.parent = parent.scope;
}
var offset = 1;
for (var param : method.signature().parameters()) { for (var param : method.signature().parameters()) {
state.createVariable(param.pattern().name(), param.pattern().type()); bindLocalVariables(state, param.pattern(), 1, 0);
} }
for (var param : method.signature().parameters()) {
if (param.pattern() instanceof TargetComplexPattern cp)
bindLocalVariables(state, cp, offset);
offset++;
}
//if (parent != null) System.out.println("parent: " + parent.scope.locals.keySet());
//System.out.println(state.scope.locals.keySet());
generate(state, method.block()); generate(state, method.block());
if (method.signature().returnType() == null) if (method.signature().returnType() == null)
mv.visitInsn(RETURN); mv.visitInsn(RETURN);
@@ -1681,26 +1558,13 @@ public class Codegen {
if (!(clazz instanceof TargetInterface)) if (!(clazz instanceof TargetInterface))
access |= ACC_SUPER; access |= ACC_SUPER;
// Check sealed
for (var intf : clazz.implementingInterfaces()) {
var intfClass = compiler.getClass(new JavaClassName(intf.name()));
if (intfClass.isSealed()) {
if (intfClass.getPermittedSubtypes().stream().noneMatch(type -> type.getName().equals(new JavaClassName(className)))) {
throw new CodeGenException("Sealed interface " + intfClass.getClassName() + " doesn't permit class " + className);
}
}
}
var signature = generateSignature(clazz, clazz.generics()); var signature = generateSignature(clazz, clazz.generics());
var interfaces = clazz.implementingInterfaces().stream().map(TargetType::getInternalName).toArray(String[]::new); var interfaces = clazz.implementingInterfaces().stream().map(TargetType::getInternalName).toArray(String[]::new);
var superType = clazz.superType() != null ? clazz.superType().getInternalName() : "java/lang/Object"; var superType = clazz.superType() != null ? clazz.superType().getInternalName() : "java/lang/Object";
cw.visit(V1_8, access, clazz.qualifiedName().toString().replaceAll("\\.", "/"), signature, superType, interfaces); cw.visit(V1_8, access, clazz.qualifiedName().toString().replaceAll("\\.", "/"), signature, superType, interfaces);
if (clazz.txGenerics() != null && signature != null) { if (clazz.txGenerics() != null && signature != null)
var txSignature = generateSignature(clazz, clazz.txGenerics()); cw.visitAttribute(new JavaTXSignatureAttribute(generateSignature(clazz, clazz.txGenerics())));
if (txSignature != null)
cw.visitAttribute(new JavaTXSignatureAttribute(txSignature));
}
clazz.fields().forEach(this::generateField); clazz.fields().forEach(this::generateField);
clazz.constructors().forEach(this::generateConstructor); clazz.constructors().forEach(this::generateConstructor);
@@ -1712,85 +1576,6 @@ public class Codegen {
if (clazz instanceof TargetRecord) if (clazz instanceof TargetRecord)
generateRecordMethods(); generateRecordMethods();
// Generate wrapper classes for function types
for (var pair : funWrapperClasses.keySet()) {
var className = funWrapperClasses.get(pair);
ClassWriter cw2 = new CustomClassWriter();
cw2.visit(V1_8, ACC_PUBLIC, className, null, "java/lang/Object", new String[] { pair.to.getInternalName() });
cw2.visitField(ACC_PRIVATE, "wrapped", pair.from.toDescriptor(), null, null).visitEnd();
// Generate constructor
var ctor = cw2.visitMethod(ACC_PUBLIC, "<init>", "(" + pair.from.toDescriptor() + ")V", null, null);
ctor.visitVarInsn(ALOAD, 0);
ctor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
ctor.visitVarInsn(ALOAD, 0);
ctor.visitVarInsn(ALOAD, 1);
ctor.visitFieldInsn(PUTFIELD, className, "wrapped", pair.from.toDescriptor());
ctor.visitInsn(RETURN);
ctor.visitMaxs(0, 0);
ctor.visitEnd();
String methodName = "apply";
String fromDescriptor = null;
TargetType fromReturn = null;
if (!(pair.from instanceof TargetFunNType funNType)) {
var fromClass = compiler.getClass(new JavaClassName(pair.from.name()));
var fromMethod = fromClass.getMethods().stream().filter(m -> (m.modifier & ACC_ABSTRACT) != 0).findFirst().orElseThrow();
methodName = fromMethod.name;
fromReturn = converter.convert(fromMethod.getReturnType());
var fromParams = converter.convert(fromMethod.getParameterList(), converter.generics.javaGenerics()).stream().map(m -> m.pattern().type()).toArray(TargetType[]::new);
fromDescriptor = TargetMethod.getDescriptor(fromReturn, fromParams);
} else {
fromReturn = funNType.returnArguments() > 0 ? TargetType.Object : null;
fromDescriptor = funNType.toMethodDescriptor();
}
var toClass = compiler.getClass(new JavaClassName(pair.to.name()));
var toMethod = toClass.getMethods().stream().filter(m -> (m.modifier & ACC_ABSTRACT) != 0).findFirst().orElseThrow();
var toReturn = converter.convert(toMethod.getReturnType());
var toParams = converter.convert(toMethod.getParameterList(), converter.generics.javaGenerics()).stream().map(m -> m.pattern().type()).toArray(TargetType[]::new);
var toDescriptor = TargetMethod.getDescriptor(toReturn, toParams);
// Generate wrapper method
var mv = cw2.visitMethod(ACC_PUBLIC, toMethod.name, toDescriptor, null, null);
var state = new State(null, mv, 0, false);
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(GETFIELD, className, "wrapped", pair.from.toDescriptor());
for (var i = 0; i < toParams.length; i++) {
var arg = toParams[i];
mv.visitVarInsn(findLoadCode(arg), i + 1);
}
mv.visitMethodInsn(INVOKEINTERFACE, pair.from.getInternalName(), methodName, fromDescriptor, true);
if (fromReturn != null) {
if (toReturn instanceof TargetPrimitiveType) {
convertTo(state, fromReturn, TargetType.toWrapper(toReturn));
} else convertTo(state, fromReturn, toReturn);
}
if (toReturn != null)
mv.visitInsn(findReturnCode(toReturn));
else mv.visitInsn(RETURN);
mv.visitMaxs(0, 0);
mv.visitEnd();
cw2.visitEnd();
var bytes = cw2.toByteArray();
converter.auxiliaries.put(className, bytes);
// TODO These class loading shenanigans happen in a few places, the tests load the classes individually.
// Instead we should just look at the folder.
try {
converter.classLoader.findClass(className);
} catch (ClassNotFoundException e) {
try {
converter.classLoader.loadClass(className, bytes);
} catch (LinkageError ignored) {}
}
}
cw.visitEnd(); cw.visitEnd();
return cw.toByteArray(); return cw.toByteArray();
} }
@@ -1821,7 +1606,7 @@ public class Codegen {
bootstrapArgs[1] = String.join(";", clazz.fields().stream().map(TargetField::name).toArray(String[]::new)); bootstrapArgs[1] = String.join(";", clazz.fields().stream().map(TargetField::name).toArray(String[]::new));
for (var i = 0; i < clazz.fields().size(); i++) { for (var i = 0; i < clazz.fields().size(); i++) {
var field = clazz.fields().get(i); var field = clazz.fields().get(i);
var fieldRef = new Handle(H_GETFIELD, clazz.getName(), field.name(), field.type().toSignature(), false); var fieldRef = new Handle(H_GETFIELD, clazz.getName(), field.name(), field.type().toDescriptor(), false);
bootstrapArgs[i + 2] = fieldRef; bootstrapArgs[i + 2] = fieldRef;
} }

@@ -1,13 +1,11 @@
package de.dhbwstuttgart.bytecode; package de.dhbwstuttgart.bytecode;
import de.dhbwstuttgart.syntaxtree.statement.Break;
import de.dhbwstuttgart.target.tree.TargetGeneric; import de.dhbwstuttgart.target.tree.TargetGeneric;
import de.dhbwstuttgart.target.tree.type.*; import de.dhbwstuttgart.target.tree.type.*;
import org.objectweb.asm.ClassWriter; import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.MethodVisitor; import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Type; import org.objectweb.asm.Type;
import java.sql.Array;
import java.util.*; import java.util.*;
import java.util.stream.Collectors; import java.util.stream.Collectors;
import java.util.stream.Stream; import java.util.stream.Stream;
@@ -35,40 +33,6 @@ public class FunNGenerator {
public static class GenericParameters { public static class GenericParameters {
int start; int start;
public List<TargetType> parameters = new ArrayList<>(); public List<TargetType> parameters = new ArrayList<>();
final String descriptor;
public final List<TargetType> inParams;
public final List<TargetType> realParams;
public GenericParameters(TargetFunNType funNType) {
this(funNType.funNParams(), funNType.returnArguments());
}
public GenericParameters(List<TargetType> params, int numReturns) {
this.realParams = params;
this.inParams = flattenTypeParams(params);
var type = new TargetRefType(FunNGenerator.getSuperClassName(params.size() - 1, numReturns), params);
descriptor = applyDescriptor(type, this);
}
private static List<TargetType> flattenTypeParams(List<TargetType> params) {
var res = new ArrayList<TargetType>();
for (var param : params) {
if (param instanceof TargetSpecializedType tspec) {
res.addAll(flattenTypeParams(tspec.params()));
} else {
res.add(param);
}
}
return res;
}
public TargetType getReturnType() {
return FunNGenerator.getReturnType(realParams);
}
public List<TargetType> getArguments() {
return FunNGenerator.getArguments(realParams);
}
} }
private static String applyDescriptor(TargetType type, GenericParameters gep) { private static String applyDescriptor(TargetType type, GenericParameters gep) {
@@ -105,7 +69,7 @@ public class FunNGenerator {
return applyNameDescriptor(type).replace("/", "$").replace(";", "$_$"); return applyNameDescriptor(type).replace("/", "$").replace(";", "$_$");
} }
public static byte[] generateSuperBytecode(int numberArguments, int numReturnTypes) { public static byte[] generateSuperBytecode(int numberArguments) {
StringBuilder superFunNClassSignature = new StringBuilder("<"); StringBuilder superFunNClassSignature = new StringBuilder("<");
StringBuilder superFunNMethodSignature = new StringBuilder("("); StringBuilder superFunNMethodSignature = new StringBuilder("(");
StringBuilder superFunNMethodDescriptor = new StringBuilder("("); StringBuilder superFunNMethodDescriptor = new StringBuilder("(");
@@ -116,34 +80,30 @@ public class FunNGenerator {
superFunNMethodDescriptor.append(objectSignature); superFunNMethodDescriptor.append(objectSignature);
} }
superFunNClassSignature.append(String.format("%s:%s>%s", returnGeneric, objectSignature, objectSignature)); superFunNClassSignature.append(String.format("%s:%s>%s", returnGeneric, objectSignature, objectSignature));
if (numReturnTypes > 0) { superFunNMethodSignature.append(String.format(")T%s;", returnGeneric));
superFunNMethodSignature.append(String.format(")T%s;", returnGeneric)); superFunNMethodDescriptor.append(String.format(")%s", objectSignature));
superFunNMethodDescriptor.append(String.format(")%s", objectSignature));
} else {
superFunNMethodSignature.append(")V");
superFunNMethodDescriptor.append(")V");
}
System.out.println(superFunNMethodSignature); System.out.println(superFunNMethodSignature);
ClassWriter classWriter = new ClassWriter(0); ClassWriter classWriter = new ClassWriter(0);
MethodVisitor methodVisitor; MethodVisitor methodVisitor;
classWriter.visit(bytecodeVersion, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, getSuperClassName(numberArguments, numReturnTypes), superFunNClassSignature.toString(), objectSuperType, null); classWriter.visit(bytecodeVersion, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, getSuperClassName(numberArguments), superFunNClassSignature.toString(), objectSuperType, null);
methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_ABSTRACT, methodName, superFunNMethodDescriptor.toString(), superFunNMethodSignature.toString(), null); methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_ABSTRACT, methodName, superFunNMethodDescriptor.toString(), superFunNMethodSignature.toString(), null);
methodVisitor.visitEnd(); methodVisitor.visitEnd();
classWriter.visitEnd(); classWriter.visitEnd();
return classWriter.toByteArray(); return classWriter.toByteArray();
} }
public static String getSuperClassName(int numberArguments, int returnArguments) { public static String getSuperClassName(int numberArguments) {
return returnArguments > 0 ? String.format("Fun%d$$", numberArguments) : String.format("FunVoid%d$$", numberArguments); return String.format("Fun%d$$", numberArguments);
} }
public static byte[] generateSpecializedBytecode(GenericParameters gep, List<String> superInterfaces) { public static byte[] generateSpecializedBytecode(List<TargetType> argumentTypes, TargetType returnType, GenericParameters gep) {
var argumentTypes = gep.getArguments(); List<TargetType> parameters = Stream
var returnType = gep.getReturnType(); .concat(argumentTypes.stream(), Stream.of(returnType))
.toList();
StringBuilder funNClassSignature = new StringBuilder(objectSignature + gep.descriptor); StringBuilder funNClassSignature = new StringBuilder(objectSignature + applyDescriptor(new TargetRefType(getSuperClassName(argumentTypes.size()), parameters), gep));
boolean containsGeneric = false; boolean containsGeneric = false;
String genericSignature = "<"; String genericSignature = "<";
@@ -154,18 +114,10 @@ public class FunNGenerator {
genericSignature += ">"; genericSignature += ">";
if (containsGeneric) funNClassSignature.insert(0, genericSignature); if (containsGeneric) funNClassSignature.insert(0, genericSignature);
System.out.println(funNClassSignature.toString());
for (var superInterface : superInterfaces) {
funNClassSignature.append('L');
funNClassSignature.append(superInterface);
funNClassSignature.append(';');
}
var interfaces = new ArrayList<>(superInterfaces);
interfaces.add(getSuperClassName(argumentTypes.size(), returnType != null ? 1 : 0));
ClassWriter classWriter = new ClassWriter(0); ClassWriter classWriter = new ClassWriter(0);
classWriter.visit(bytecodeVersion, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, getSpecializedClassName(argumentTypes, returnType), funNClassSignature.toString(), objectSuperType, interfaces.toArray(String[]::new)); classWriter.visit(bytecodeVersion, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, getSpecializedClassName(argumentTypes, returnType), funNClassSignature.toString(), objectSuperType, new String[]{getSuperClassName(argumentTypes.size())});
classWriter.visitEnd(); classWriter.visitEnd();
return classWriter.toByteArray(); return classWriter.toByteArray();
} }
@@ -181,24 +133,14 @@ public class FunNGenerator {
} }
} }
public static String getSpecializedClassName(GenericParameters gep) {
return getSpecializedClassName(gep.getArguments(), gep.getReturnType());
}
public static String getSpecializedClassName(List<TargetType> argumentTypes, TargetType returnType) { public static String getSpecializedClassName(List<TargetType> argumentTypes, TargetType returnType) {
var arguments = argumentTypes return String.format("Fun%d$$%s%s",
.stream()
.map(FunNGenerator::encodeType)
.collect(Collectors.joining());
if (returnType != null)
return String.format("Fun%d$$%s%s",
argumentTypes.size(),
arguments,
encodeType(returnType));
else return String.format("FunVoidImpl%d$$%s",
argumentTypes.size(), argumentTypes.size(),
arguments); argumentTypes
.stream()
.map(FunNGenerator::encodeType)
.collect(Collectors.joining()),
encodeType(returnType));
} }
public static List<TargetType> getArguments(List<TargetType> list) { public static List<TargetType> getArguments(List<TargetType> list) {
@@ -209,8 +151,8 @@ public class FunNGenerator {
} }
public static TargetType getReturnType(List<TargetType> list) { public static TargetType getReturnType(List<TargetType> list) {
if(list.isEmpty()) if(list.size() == 0)
throw new IndexOutOfBoundsException(); throw new IndexOutOfBoundsException();
return list.getLast(); return list.get(list.size() - 1);
} }
} }

@@ -66,7 +66,7 @@ public class JavaTXCompiler {
Boolean resultmodel = true; Boolean resultmodel = true;
public final Map<File, SourceFile> sourceFiles = new HashMap<>(); public final Map<File, SourceFile> sourceFiles = new HashMap<>();
Boolean log = false; //gibt an ob ein Log-File nach System.getProperty("user.dir")+""/logFiles/"" geschrieben werden soll? Boolean log = true; //gibt an ob ein Log-File nach System.getProperty("user.dir")+""/logFiles/"" geschrieben werden soll?
public volatile UnifyTaskModel usedTasks = new UnifyTaskModel(); public volatile UnifyTaskModel usedTasks = new UnifyTaskModel();
public final DirectoryClassLoader classLoader; public final DirectoryClassLoader classLoader;
@@ -98,7 +98,7 @@ public class JavaTXCompiler {
} }
if (outputPath != null) path.add(outputPath); if (outputPath != null) path.add(outputPath);
classLoader = new DirectoryClassLoader(path, ClassLoader.getSystemClassLoader()); classLoader = new DirectoryClassLoader(path, ClassLoader.getSystemClassLoader());
environment = new CompilationEnvironment(sources, classLoader); environment = new CompilationEnvironment(sources);
classPath = path; classPath = path;
this.outputPath = outputPath; this.outputPath = outputPath;
@@ -327,6 +327,74 @@ public class JavaTXCompiler {
logFile.write(ASTTypePrinter.print(f)); logFile.write(ASTTypePrinter.print(f));
} }
logFile.flush(); logFile.flush();
Set<String> methodParaTypeVarNames = allClasses.stream().map(x -> x.getMethods().stream().map(y -> y.getParameterList().getFormalparalist().stream().filter(z -> z.getType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce(new HashSet<String>(), (a, b) -> {
a.addAll(b);
return a;
}, (a, b) -> {
a.addAll(b);
return a;
})).reduce(new HashSet<String>(), (a, b) -> {
a.addAll(b);
return a;
});
Set<String> constructorParaTypeVarNames = allClasses.stream().map(x -> x.getConstructors().stream().map(y -> y.getParameterList().getFormalparalist().stream().filter(z -> z.getType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce(new HashSet<String>(), (a, b) -> {
a.addAll(b);
return a;
}, (a, b) -> {
a.addAll(b);
return a;
})).reduce(new HashSet<String>(), (a, b) -> {
a.addAll(b);
return a;
});
Set<String> paraTypeVarNames = methodParaTypeVarNames;
paraTypeVarNames.addAll(constructorParaTypeVarNames);
Set<String> returnTypeVarNames = allClasses.stream().map(x -> x.getMethods().stream().filter(y -> y.getReturnType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getReturnType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce((a, b) -> {
a.addAll(b);
return a;
}).get();
Set<String> fieldTypeVarNames = allClasses.stream().map(x -> x.getFieldDecl().stream().filter(y -> y.getReturnType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getReturnType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce((a, b) -> {
a.addAll(b);
return a;
}).get();
returnTypeVarNames.addAll(fieldTypeVarNames);
unifyCons = unifyCons.map(x -> {
// Hier muss ueberlegt werden, ob
// 1. alle Argument- und Retuntyp-Variablen in allen UnifyPairs
// mit disableWildcardtable() werden.
// 2. alle Typvariablen mit Argument- oder Retuntyp-Variablen
// in Beziehung auch auf disableWildcardtable() gesetzt werden muessen
// PL 2018-04-23
if ((x.getLhsType() instanceof PlaceholderType)) {
if (paraTypeVarNames.contains(x.getLhsType().getName())) {
((PlaceholderType) x.getLhsType()).setVariance((byte) 1);
((PlaceholderType) x.getLhsType()).disableWildcardtable();
}
if (returnTypeVarNames.contains(x.getLhsType().getName())) {
((PlaceholderType) x.getLhsType()).setVariance((byte) -1);
((PlaceholderType) x.getLhsType()).disableWildcardtable();
}
}
if ((x.getRhsType() instanceof PlaceholderType)) {
if (paraTypeVarNames.contains(x.getRhsType().getName())) {
((PlaceholderType) x.getRhsType()).setVariance((byte) 1);
((PlaceholderType) x.getRhsType()).disableWildcardtable();
}
if (returnTypeVarNames.contains(x.getRhsType().getName())) {
((PlaceholderType) x.getRhsType()).setVariance((byte) -1);
((PlaceholderType) x.getRhsType()).disableWildcardtable();
}
}
return x;// HIER DIE JEWEILS RECHT BZW. LINKE SEITE AUF GLEICHE VARIANZ SETZEN WIE DIE
// JEWEILS ANDERE SEITE
});
Set<PlaceholderType> varianceTPHold; Set<PlaceholderType> varianceTPHold;
Set<PlaceholderType> varianceTPH = new HashSet<>(); Set<PlaceholderType> varianceTPH = new HashSet<>();
varianceTPH = varianceInheritanceConstraintSet(unifyCons); varianceTPH = varianceInheritanceConstraintSet(unifyCons);
@@ -393,12 +461,86 @@ public class JavaTXCompiler {
logFile.write(ASTTypePrinter.print(sf)); logFile.write(ASTTypePrinter.print(sf));
System.out.println(ASTTypePrinter.print(sf)); System.out.println(ASTTypePrinter.print(sf));
logFile.flush(); logFile.flush();
List<UnifyPair> andConstraintsSorted = unifyCons.getUndConstraints().stream()
.sorted(Comparator.comparing(UnifyPair::getPairOp).thenComparing(UnifyPair::getLhsType, Comparator.comparing(UnifyType::getName)))
.collect(Collectors.toList());
System.out.println(andConstraintsSorted); Set<String> methodParaTypeVarNames = allClasses.stream().map(x -> x.getMethods().stream().map(y -> y.getParameterList().getFormalparalist().stream().filter(z -> z.getType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce(new HashSet<String>(), (a, b) -> {
a.addAll(b);
return a;
}, (a, b) -> {
a.addAll(b);
return a;
})).reduce(new HashSet<String>(), (a, b) -> {
a.addAll(b);
return a;
});
Set<String> constructorParaTypeVarNames = allClasses.stream().map(x -> x.getConstructors().stream().map(y -> y.getParameterList().getFormalparalist().stream().filter(z -> z.getType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce(new HashSet<String>(), (a, b) -> {
a.addAll(b);
return a;
}, (a, b) -> {
a.addAll(b);
return a;
})).reduce(new HashSet<String>(), (a, b) -> {
a.addAll(b);
return a;
});
Set<String> paraTypeVarNames = methodParaTypeVarNames;
paraTypeVarNames.addAll(constructorParaTypeVarNames);
Set<String> returnTypeVarNames = allClasses.stream().map(x -> x.getMethods().stream().filter(y -> y.getReturnType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getReturnType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce((a, b) -> {
a.addAll(b);
return a;
}).get();
Set<String> fieldTypeVarNames = allClasses.stream().map(x -> x.getFieldDecl().stream().filter(y -> y.getReturnType() instanceof TypePlaceholder).map(z -> ((TypePlaceholder) z.getReturnType()).getName()).collect(Collectors.toCollection(HashSet::new))).reduce((a, b) -> {
a.addAll(b);
return a;
}).get();
returnTypeVarNames.addAll(fieldTypeVarNames);
unifyCons = unifyCons.map(x -> {
// Hier muss ueberlegt werden, ob
// 1. alle Argument- und Retuntyp-Variablen in allen UnifyPairs
// mit disableWildcardtable() werden.
// 2. alle Typvariablen mit Argument- oder Retuntyp-Variablen
// in Beziehung auch auf disableWildcardtable() gesetzt werden muessen
// PL 2018-04-23
if ((x.getLhsType() instanceof PlaceholderType)) {
if (paraTypeVarNames.contains(x.getLhsType().getName())) {
((PlaceholderType) x.getLhsType()).setVariance((byte) 1);
((PlaceholderType) x.getLhsType()).disableWildcardtable();
}
if (returnTypeVarNames.contains(x.getLhsType().getName())) {
((PlaceholderType) x.getLhsType()).setVariance((byte) -1);
((PlaceholderType) x.getLhsType()).disableWildcardtable();
}
}
if ((x.getRhsType() instanceof PlaceholderType)) {
if (paraTypeVarNames.contains(x.getRhsType().getName())) {
((PlaceholderType) x.getRhsType()).setVariance((byte) 1);
((PlaceholderType) x.getRhsType()).disableWildcardtable();
}
if (returnTypeVarNames.contains(x.getRhsType().getName())) {
((PlaceholderType) x.getRhsType()).setVariance((byte) -1);
((PlaceholderType) x.getRhsType()).disableWildcardtable();
}
}
return x;// HIER DIE JEWEILS RECHT BZW. LINKE SEITE AUF GLEICHE VARIANZ SETZEN WIE DIE
// JEWEILS ANDERE SEITE
});
// PL 2020-02-05 alle Oder-Constraints Receiver und Parameter werden auf
// variance 1 gesetzt
// Es wird davon ausgegangen, dass in OderConstraints in Bedingungen für
// Parameter die Typen der Argumente links stehen
// und die Typen der Rückgabewerte immer rechts stehen
/*
* unifyCons.getOderConstraints().forEach(z -> z.forEach(y -> y.forEach(x -> { if ((x.getLhsType() instanceof PlaceholderType) && x.getPairOp().compareTo(PairOperator.SMALLERDOT) == 0) { ((PlaceholderType) x.getLhsType()).setVariance((byte)1); } else if ((x.getRhsType() instanceof PlaceholderType) && x.getPairOp().compareTo(PairOperator.EQUALSDOT) == 0) { ((PlaceholderType) x.getRhsType()).setVariance((byte)-1); } })));
*/
System.out.println("Unify nach Oder-Constraints-Anpassung:" + unifyCons.toString());
Set<PlaceholderType> varianceTPHold; Set<PlaceholderType> varianceTPHold;
Set<PlaceholderType> varianceTPH = new HashSet<>(); Set<PlaceholderType> varianceTPH = new HashSet<>();
varianceTPH = varianceInheritanceConstraintSet(unifyCons); varianceTPH = varianceInheritanceConstraintSet(unifyCons);
@@ -421,14 +563,7 @@ public class JavaTXCompiler {
UnifyResultListenerImpl li = new UnifyResultListenerImpl(); UnifyResultListenerImpl li = new UnifyResultListenerImpl();
urm.addUnifyResultListener(li); urm.addUnifyResultListener(li);
unify.unifyParallel(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, urm, usedTasks); unify.unifyParallel(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, urm, usedTasks);
//System.out.println("RESULT Final: " + li.getResults()); System.out.println("RESULT Final: " + li.getResults());
var finalResults = li.getResults().stream().sorted().toList();
int i = 0;
System.out.println("RESULT Final: ");
for (var result : finalResults){
System.out.println("Result: " + i++);
System.out.println(result.getSortedResults());
}
System.out.println("Constraints for Generated Generics: " + " ???"); System.out.println("Constraints for Generated Generics: " + " ???");
logFile.write("RES_FINAL: " + li.getResults().toString() + "\n"); logFile.write("RES_FINAL: " + li.getResults().toString() + "\n");
logFile.flush(); logFile.flush();
@@ -643,12 +778,11 @@ public class JavaTXCompiler {
var codegen = new Codegen(converter.convert(clazz), this, converter); var codegen = new Codegen(converter.convert(clazz), this, converter);
var code = codegen.generate(); var code = codegen.generate();
generatedClasses.put(clazz.getClassName(), code); generatedClasses.put(clazz.getClassName(), code);
converter.auxiliaries.forEach((name, source) -> {
generatedClasses.put(new JavaClassName(name), source);
});
} }
generatedGenerics.put(sf, converter.javaGenerics()); generatedGenerics.put(sf, converter.javaGenerics());
converter.generateFunNTypes();
converter.auxiliaries.forEach((name, source) -> {
generatedClasses.put(new JavaClassName(name), source);
});
return generatedClasses; return generatedClasses;
} }

@@ -0,0 +1,13 @@
package de.dhbwstuttgart.environment;
public class ByteArrayClassLoader extends ClassLoader implements IByteArrayClassLoader {
@Override
public Class _defineClass(String name, byte[] code, int i, int length) throws ClassFormatError {
return defineClass(name, code, i, length);
}
@Override
public Class<?> findClass(String name) throws ClassNotFoundException {
return super.findClass(name);
}
}

@@ -34,7 +34,7 @@ public class CompilationEnvironment {
* *
* @param sourceFiles die zu kompilierenden Dateien * @param sourceFiles die zu kompilierenden Dateien
*/ */
public CompilationEnvironment(List<File> sourceFiles, DirectoryClassLoader classLoader) { public CompilationEnvironment(List<File> sourceFiles) {
/** /**
* Java 9 bringt einige Änderungen am Classloader So funktioniert der BootClassLoader nicht mehr. hier gibts ein paar Quellen zum nachlesen: http://java9.wtf/class-loading/ https://stackoverflow.com/questions/46494112/classloaders-hierarchy-in-java-9 * Java 9 bringt einige Änderungen am Classloader So funktioniert der BootClassLoader nicht mehr. hier gibts ein paar Quellen zum nachlesen: http://java9.wtf/class-loading/ https://stackoverflow.com/questions/46494112/classloaders-hierarchy-in-java-9
* *
@@ -54,7 +54,7 @@ public class CompilationEnvironment {
// librarys = Arrays.asList(loader.getURLs()); // librarys = Arrays.asList(loader.getURLs());
this.sourceFiles = sourceFiles; this.sourceFiles = sourceFiles;
this.packageCrawler = new PackageCrawler(classLoader); this.packageCrawler = new PackageCrawler(librarys);
} }
public void addClassesToRegistry(JavaClassRegistry registry, SourceFileContext tree, File sourceFile, JavaTXCompiler compiler) throws ClassNotFoundException, IOException { public void addClassesToRegistry(JavaClassRegistry registry, SourceFileContext tree, File sourceFile, JavaTXCompiler compiler) throws ClassNotFoundException, IOException {
@@ -104,4 +104,12 @@ public class CompilationEnvironment {
return packageName; return packageName;
} }
public List<ClassOrInterface> getAllAvailableClasses() {
List<ClassOrInterface> ret = new ArrayList<>();
for (Class c : new PackageCrawler(librarys).getAllAvailableClasses()) {
ret.add(ASTFactory.createClass(c));
}
return ret;
}
} }

@@ -5,61 +5,31 @@ import java.io.IOException;
import java.net.MalformedURLException; import java.net.MalformedURLException;
import java.net.URL; import java.net.URL;
import java.net.URLClassLoader; import java.net.URLClassLoader;
import java.nio.file.*; import java.nio.file.Files;
import java.util.ArrayList; import java.nio.file.Path;
import java.util.List; import java.util.List;
import java.util.stream.Collectors; import java.util.stream.Collectors;
public class DirectoryClassLoader extends URLClassLoader implements IByteArrayClassLoader { public class DirectoryClassLoader extends URLClassLoader implements IByteArrayClassLoader {
// public DirectoryClassLoader(File directory, java.lang.ClassLoader parent) { public DirectoryClassLoader(File directory, java.lang.ClassLoader parent) {
// super(generateURLArray(dirToURL(directory)), parent); super(generateURLArray(dirToURL(directory)), parent);
// } }
public DirectoryClassLoader(List<File> directory, java.lang.ClassLoader parent) { public DirectoryClassLoader(List<File> directory, java.lang.ClassLoader parent) {
super(directory.stream().map(DirectoryClassLoader::dirToURL).flatMap(List::stream).collect(Collectors.toList()).toArray(new URL[0]), parent.getParent()); super(directory.stream().map(DirectoryClassLoader::dirToURL).collect(Collectors.toList()).toArray(new URL[0]), parent);
} }
private static URL[] generateURLArray(URL url) { private static URL[] generateURLArray(URL url) {
return new URL[]{url}; return new URL[]{url};
} }
private static List<URL> dirToURL(File file) { private static URL dirToURL(File url){
//if(!url.isDirectory())throw new RuntimeException(url.toString() + " is not a directory"); if(!url.isDirectory())throw new RuntimeException(url.toString() + " is not a directory");
Path dir;
if (file.isDirectory()) {
try {
return List.of(file.toURI().toURL()); // if file is a directory, use it as is
} catch (MalformedURLException e) {
e.printStackTrace();
return List.of();
}
}
dir = file.toPath().getParent(); // if file is not a directory, get its parent directory
String pattern = file.toPath().getFileName().toString(); // use the file name as a glob pattern
List<URL> urls = new ArrayList<>();
try { try {
urls = Files.walk(dir) return url.toURI().toURL();
.filter(Files::isRegularFile) // only consider files (not directories) } catch (MalformedURLException e) {
.filter(path -> { throw new RuntimeException(e);
PathMatcher matcher = FileSystems.getDefault().getPathMatcher("glob:" + pattern);
return matcher.matches(path.getFileName()); // match the file name against the pattern
})
.map(path -> {
try {
return path.toUri().toURL();
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
}) // convert the path to a URL
.toList(); // print the path of each matching file
} catch (IOException | RuntimeException e) {
e.printStackTrace();
} }
return urls;
} }
@Override @Override

@@ -6,22 +6,18 @@ import java.nio.file.Path;
public interface IByteArrayClassLoader { public interface IByteArrayClassLoader {
Class<?> loadClass(String path) throws ClassNotFoundException; Class loadClass(String path) throws ClassNotFoundException;
default Class<?> loadClass(byte[] code) { default Class loadClass(byte[] code) {
return this.loadClass(null, code); return this._defineClass(null, code, 0, code.length);
} }
default Class<?> loadClass(String name, byte[] code) { default Class loadClass(Path path) throws IOException {
return this._defineClass(name, code, 0, code.length);
}
default Class<?> loadClass(Path path) throws IOException {
var code = Files.readAllBytes(path); var code = Files.readAllBytes(path);
return this._defineClass(null, code, 0, code.length); return this._defineClass(null, code, 0, code.length);
} }
public Class<?> findClass(String name) throws ClassNotFoundException; public Class<?> findClass(String name) throws ClassNotFoundException;
Class<?> _defineClass(String name, byte[] code, int i, int length) throws ClassFormatError; Class _defineClass(String name, byte[] code, int i, int length) throws ClassFormatError;
} }

@@ -1,10 +1,17 @@
package de.dhbwstuttgart.environment; package de.dhbwstuttgart.environment;
import io.github.classgraph.ClassGraph; import java.net.URL;
import io.github.classgraph.ScanResult;
import java.util.*; import java.util.*;
import org.reflections.Reflections;
import org.reflections.scanners.ResourcesScanner;
import org.reflections.scanners.SubTypesScanner;
import org.reflections.util.ConfigurationBuilder;
import org.reflections.util.FilterBuilder;
import de.dhbwstuttgart.parser.scope.JavaClassName;
import org.reflections.vfs.SystemDir;
/** /**
* Hilft beim Durchsuchen von Packages * Hilft beim Durchsuchen von Packages
* Benutzt die Reflections-Library (https://github.com/ronmamo/reflections) * Benutzt die Reflections-Library (https://github.com/ronmamo/reflections)
@@ -12,30 +19,48 @@ import java.util.*;
*/ */
public class PackageCrawler { public class PackageCrawler {
final DirectoryClassLoader classLoader; final URL[] urls;
public PackageCrawler(DirectoryClassLoader classLoader) { public PackageCrawler(List<URL> urlList) {
this.classLoader = classLoader; urls = urlList.toArray(new URL[0]);
} }
public Set<Class<?>> getClassesInPackage(String packageName) { public Set<Class<?>> getClassesInPackage(String packageName){
var res = new HashSet<Class<?>>(); /*
List<DirectoryClassLoader> classLoadersList = new LinkedList<DirectoryClassLoader>();
classLoadersList.add(Thread.currentThread().getContextClassLoader());
classLoadersList.add(ClasspathHelper.staticClassLoader());
classLoadersList.add(Thread.currentThread().getContextClassLoader().getParent());
classLoadersList.add(DirectoryClassLoader.getSystemClassLoader());
String bootClassPath = System.getProperty("sun.boot.class.path");
ArrayList<URL> urlList = new ArrayList<>();
for(String path : bootClassPath.split(";")) {
try {
urlList.add(new URL("file:"+path));
} catch (MalformedURLException e) {
new DebugException("Fehler im Classpath auf diesem System");
}
}
URL[] urls = urlList.toArray(new URL[0]);
classLoadersList.add(new URLClassLoader(urls, DirectoryClassLoader.getSystemClassLoader()));
*/
Reflections reflections = new Reflections(new ConfigurationBuilder()
.setScanners(new SubTypesScanner(false /* don't exclude Object.class */), new ResourcesScanner())
.setUrls(urls)
.filterInputsBy(new FilterBuilder().include(FilterBuilder.prefix(packageName))));
try (ScanResult result = new ClassGraph() Set<Class<?>> classes = reflections.getSubTypesOf(Object.class);
.enableClassInfo()
.enableSystemJarsAndModules()
.addClassLoader(classLoader)
.acceptPackages(packageName)
.scan()) {
for (var info : result.getAllClasses()) { return classes;
try { }
var clazz = Class.forName(info.getName());
res.add(clazz);
} catch (ClassNotFoundException ignored) {}
}
};
return res; public Set<Class<?>> getAllAvailableClasses(){
Reflections reflections = new Reflections(new ConfigurationBuilder()
.setScanners(new SubTypesScanner(false /* don't exclude Object.class */), new ResourcesScanner())
.setUrls(urls));
Set<Class<?>> classes = reflections.getSubTypesOf(Object.class);
return classes;
} }
public Map<String, Integer> getClassNames(String packageName){ public Map<String, Integer> getClassNames(String packageName){

@@ -158,8 +158,7 @@ public class FCGenerator {
} }
/** /**
* Tauscht die GTVs in einem Typ gegen die entsprechenden Typen in der übergebenen Map aus auf der direkten Argumentebene. * Tauscht die GTVs in einem Typ gegen die entsprechenden Typen in der übergebenen Map aus.
* Hier sind keine Wildcards zulässig
*/ */
private static class TypeExchanger implements TypeVisitor<RefTypeOrTPHOrWildcardOrGeneric>{ private static class TypeExchanger implements TypeVisitor<RefTypeOrTPHOrWildcardOrGeneric>{
@@ -169,52 +168,6 @@ public class FCGenerator {
this.gtvs = gtvs; this.gtvs = gtvs;
} }
@Override
public RefTypeOrTPHOrWildcardOrGeneric visit(RefType refType) {
List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
for(RefTypeOrTPHOrWildcardOrGeneric param : refType.getParaList()){
params.add(param.acceptTV(new TypeExchangerInner(gtvs)));
}
RefTypeOrTPHOrWildcardOrGeneric ret = new RefType(refType.getName(), params, new NullToken());
return ret;
}
@Override
public RefTypeOrTPHOrWildcardOrGeneric visit(SuperWildcardType superWildcardType) {
throw new DebugException("Dieser Fall darf nicht auftreten");
}
@Override
public RefTypeOrTPHOrWildcardOrGeneric visit(TypePlaceholder typePlaceholder) {
throw new DebugException("Dieser Fall darf nicht auftreten");
}
@Override
public RefTypeOrTPHOrWildcardOrGeneric visit(ExtendsWildcardType extendsWildcardType) {
throw new DebugException("Dieser Fall darf nicht auftreten");
}
@Override
public RefTypeOrTPHOrWildcardOrGeneric visit(GenericRefType genericRefType) {
if(! gtvs.containsKey(genericRefType.getParsedName()))
throw new DebugException("Dieser Fall darf nicht auftreten");
return gtvs.get(genericRefType.getParsedName());
}
}
/**
* Tauscht die GTVs in einem Typ gegen die entsprechenden Typen in der übergebenen Map aus auf den Argumenten der Argumente.
* Hier sind Wildcards zulässig
*/
private static class TypeExchangerInner implements TypeVisitor<RefTypeOrTPHOrWildcardOrGeneric>{
private final HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> gtvs;
TypeExchangerInner(HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> gtvs){
this.gtvs = gtvs;
}
@Override @Override
public RefTypeOrTPHOrWildcardOrGeneric visit(RefType refType) { public RefTypeOrTPHOrWildcardOrGeneric visit(RefType refType) {
List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>(); List<RefTypeOrTPHOrWildcardOrGeneric> params = new ArrayList<>();
@@ -227,7 +180,7 @@ public class FCGenerator {
@Override @Override
public RefTypeOrTPHOrWildcardOrGeneric visit(SuperWildcardType superWildcardType) { public RefTypeOrTPHOrWildcardOrGeneric visit(SuperWildcardType superWildcardType) {
return superWildcardType; throw new DebugException("Dieser Fall darf nicht auftreten");
} }
@Override @Override
@@ -237,7 +190,7 @@ public class FCGenerator {
@Override @Override
public RefTypeOrTPHOrWildcardOrGeneric visit(ExtendsWildcardType extendsWildcardType) { public RefTypeOrTPHOrWildcardOrGeneric visit(ExtendsWildcardType extendsWildcardType) {
return extendsWildcardType; throw new DebugException("Dieser Fall darf nicht auftreten");
} }
@Override @Override
@@ -248,5 +201,4 @@ public class FCGenerator {
} }
} }
} }

@@ -14,8 +14,6 @@ import de.dhbwstuttgart.core.JavaTXCompiler;
import de.dhbwstuttgart.syntaxtree.*; import de.dhbwstuttgart.syntaxtree.*;
import de.dhbwstuttgart.syntaxtree.statement.*; import de.dhbwstuttgart.syntaxtree.statement.*;
import de.dhbwstuttgart.syntaxtree.type.Void; import de.dhbwstuttgart.syntaxtree.type.Void;
import de.dhbwstuttgart.target.tree.expression.TargetUnaryOp;
import de.dhbwstuttgart.target.generate.StatementToTargetExpression;
import org.antlr.v4.runtime.Token; import org.antlr.v4.runtime.Token;
import de.dhbwstuttgart.exceptions.NotImplementedException; import de.dhbwstuttgart.exceptions.NotImplementedException;
@@ -103,6 +101,7 @@ import de.dhbwstuttgart.parser.scope.JavaClassRegistry;
import de.dhbwstuttgart.syntaxtree.type.RefType; import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric; import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder; import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import org.stringtemplate.v4.ST;
public class StatementGenerator { public class StatementGenerator {
@@ -126,7 +125,7 @@ public class StatementGenerator {
this.superClass = superType; this.superClass = superType;
} }
public ParameterList convert(Java17Parser.FormalParameterListContext formalParameterListContext, boolean methodparameters) { public ParameterList convert(Java17Parser.FormalParameterListContext formalParameterListContext) {
List<Pattern> ret = new ArrayList<>(); List<Pattern> ret = new ArrayList<>();
List<Java17Parser.FormalParameterContext> fps = new ArrayList<>(); List<Java17Parser.FormalParameterContext> fps = new ArrayList<>();
if (Objects.isNull(formalParameterListContext)) if (Objects.isNull(formalParameterListContext))
@@ -148,12 +147,10 @@ public class StatementGenerator {
if (fp.typeType() != null) { if (fp.typeType() != null) {
type = TypeGenerator.convert(fp.typeType(), reg, generics); type = TypeGenerator.convert(fp.typeType(), reg, generics);
} else { } else {
type = methodparameters? type = TypePlaceholder.fresh(fp.getStart());
TypePlaceholder.fresh(fp.getStart(), 1, false)
: TypePlaceholder.fresh(fp.getStart());
} }
ret.add(new FormalParameter(paramName, type, fp.getStart())); ret.add(new FormalParameter(paramName, type, fp.getStart()));
localVars.put(paramName, type); localVars.put(paramName, type);
} }
} }
return new ParameterList(ret, ret.get(0).getOffset()); return new ParameterList(ret, ret.get(0).getOffset());
@@ -442,7 +439,6 @@ public class StatementGenerator {
} }
private Pattern convert(PatternContext pattern) { private Pattern convert(PatternContext pattern) {
return switch (pattern) { return switch (pattern) {
case PPatternContext pPattern -> { case PPatternContext pPattern -> {
yield convert(pPattern.primaryPattern()); yield convert(pPattern.primaryPattern());
@@ -457,36 +453,30 @@ public class StatementGenerator {
} }
private FormalParameter convert(PrimaryPatternContext pPattern) { private FormalParameter convert(PrimaryPatternContext pPattern) {
switch (pPattern) { switch (pPattern) {
case TPatternContext tPattern: case TPatternContext tPattern:
TypePatternContext typePattern = tPattern.typePattern(); TypePatternContext typePattern = tPattern.typePattern();
var text = typePattern.identifier().getText(); var text = typePattern.identifier().getText();
var type = typePattern.typeType() == null ? TypePlaceholder.fresh(pPattern.getStart()) : TypeGenerator.convert(typePattern.typeType(), reg, generics); var type = TypeGenerator.convert(typePattern.typeType(), reg, generics);
localVars.put(text, type); localVars.put(text, type);
return new FormalParameter(text, type, typePattern.getStart()); return new FormalParameter(text, type, typePattern.getStart());
case RPatternContext rPattern: case RPatternContext rPattern:
RecordPatternContext recordPattern = rPattern.recordPattern(); RecordPatternContext recordPattern = rPattern.recordPattern();
return convert(recordPattern); return convert(recordPattern);
case Java17Parser.LPatternContext patternContext: return new LiteralPattern(TypePlaceholder.fresh(patternContext.start), convert(patternContext.literal().get(0)), patternContext.start); default:
throw new NotImplementedException();
default:
throw new NotImplementedException();
} }
} }
private RecordPattern convert(RecordPatternContext recordPatternCtx) { private RecordPattern convert(RecordPatternContext recordPatternCtx) {
var cpl = recordPatternCtx.recordStructurePattern().recordComponentPatternList(); List<PatternContext> subPatternCtx = recordPatternCtx.recordStructurePattern().recordComponentPatternList().pattern();
List<PatternContext> subPatternCtx = cpl == null ? List.of() : cpl.pattern();
List<Pattern> subPattern = subPatternCtx.stream().map(this::convert).collect(Collectors.toList()); List<Pattern> subPattern = subPatternCtx.stream().map(this::convert).collect(Collectors.toList());
IdentifierContext identifierCtx = recordPatternCtx.identifier(); IdentifierContext identifierCtx = recordPatternCtx.identifier();
var text = (identifierCtx != null) ? identifierCtx.getText() : null; var text = (identifierCtx != null) ? identifierCtx.getText() : null;
//Hier evtl. Typ anpassen -> wenn kein Typ bekannt ist push neuen Typ auf Hashtable var type = TypeGenerator.convert(recordPatternCtx.typeType(), reg, generics);
var type = recordPatternCtx.typeType() == null ? TypePlaceholder.fresh(recordPatternCtx.getStart()) : TypeGenerator.convert(recordPatternCtx.typeType(), reg, generics);
if (text != null) localVars.put(text, type); if (text != null) localVars.put(text, type);
var ret = new RecordPattern(subPattern, text, type, recordPatternCtx.getStart()); return new RecordPattern(subPattern, text, type, recordPatternCtx.getStart());
return ret;
} }
private Statement convert(Java17Parser.WhileloopContext stmt) { private Statement convert(Java17Parser.WhileloopContext stmt) {
@@ -593,7 +583,7 @@ public class StatementGenerator {
initValue = convert(varDecl.variableInitializer().expression()); initValue = convert(varDecl.variableInitializer().expression());
} }
var fieldEntry = fields.get(name.getText()); var fieldEntry = fields.get(name.getText());
return (new Assign(new AssignToField(new FieldVar(new This(varDecl.getStart()), name.getText(), type, varDecl.getStart())), initValue, name.getStart())); return (new Assign(new AssignToField(new FieldVar(new This(varDecl.getStart()), (fieldEntry.modifiers() & Modifier.STATIC) != 0, name.getText(), type, varDecl.getStart())), initValue, name.getStart()));
} }
private Statement convert(Java17Parser.BreakstmtContext stmt) { private Statement convert(Java17Parser.BreakstmtContext stmt) {
@@ -607,12 +597,8 @@ public class StatementGenerator {
} }
private Statement convert(Java17Parser.ContinuestmtContext stmt) { private Statement convert(Java17Parser.ContinuestmtContext stmt) {
Token offset = stmt.getStart(); // TODO
if (!Objects.isNull(stmt.identifier())) { throw new NotImplementedException();
return new Continue(localVars.get(stmt.identifier().getText()), offset);
} else {
return new Continue(TypePlaceholder.fresh(offset), offset);
}
} }
private Statement convert(Java17Parser.SemistmtContext stmt) { private Statement convert(Java17Parser.SemistmtContext stmt) {
@@ -707,7 +693,7 @@ public class StatementGenerator {
if (!Objects.isNull(expr.methodCall())) { if (!Objects.isNull(expr.methodCall())) {
return convert(expr.methodCall(), expr.expression(), offset); return convert(expr.methodCall(), expr.expression(), offset);
} else if (!Objects.isNull(expr.identifier())) { } else if (!Objects.isNull(expr.identifier())) {
return new FieldVar(convert(expr.expression()), expr.identifier().getText(), TypePlaceholder.fresh(expr.identifier().start), offset); return generateLocalOrFieldVarOrClassName(expr.getText(), offset);
} else { } else {
// Für alle anderen Optionen, wie Feldzugriff, Aufrufe von super oder explizite // Für alle anderen Optionen, wie Feldzugriff, Aufrufe von super oder explizite
// generische Invokationen // generische Invokationen
@@ -783,25 +769,62 @@ public class StatementGenerator {
/** /**
* Der Parser kann nicht zwischen einer lokalen Variable, einem Feldzugriff und einer Klassenangabe unterscheiden. * Der Parser kann nicht zwischen einer lokalen Variable, einem Feldzugriff und einer Klassenangabe unterscheiden.
* *
* @param expression * @param expression
* @param offset * @param offset
* @return * @return
*/ */
private Expression generateLocalOrFieldVarOrClassName(String expression, Token offset) { private Expression generateLocalOrFieldVarOrClassName(String expression, Token offset) {
// Check for localVar: String[] parts = expression.split("\\.");
if (localVars.get(expression) != null) { if (parts.length < 2) {
return new LocalVar(expression, localVars.get(expression), offset); // Check for localVar:
} else if (fields.get(expression) != null) {// PL 2018-11-01 fields eingefuegt, damit die fields immer die if (localVars.get(expression) != null) {
// gleiche TPH bekommen return new LocalVar(expression, localVars.get(expression), offset);
return new FieldVar(new This(offset), expression, fields.get(expression).type(), offset); } else if (fields.get(expression) != null) {// PL 2018-11-01 fields eingefuegt, damit die fields immer die
} else if (reg.contains(expression)) { // gleiche TPH bekommen
return generateStaticClassName(expression, offset); var field = fields.get(expression);
} else { return new FieldVar(new This(offset), Modifier.isStatic(field.modifiers()), expression, fields.get(expression).type(), offset);
// lokale Variable wurde ohne "var"-Keyword deklariert und direkt mit Wert versehen } else if (reg.contains(expression)) {
localVars.put(expression, TypePlaceholder.fresh(offset)); return generateStaticClassName(expression, offset);
return new LocalVar(expression, localVars.get(expression), offset); } else {
// lokale Variable wurde ohne "var"-Keyword deklariert und direkt mit Wert versehen
localVars.put(expression, TypePlaceholder.fresh(offset));
return new LocalVar(expression, localVars.get(expression), offset);
}
} }
return generateFieldVarOrClassname(expression, offset);
}
private Expression generateFieldVarOrClassname(String expression, Token offset) {
String[] parts = expression.split("\\.");
String whole = "";
Expression receiver = null;
for (String part : parts) {
whole += part;
// Check for Classname:
if (reg.contains(whole)) {
receiver = generateStaticClassName(whole, offset);
}
whole += ".";
}
var fieldName = parts[parts.length - 1];
var isStatic = false;
if (parts.length < 2 || parts[0].contentEquals("this")) {
receiver = new This(offset);
isStatic = Modifier.isStatic(fields.get(fieldName).modifiers());
} else if (parts[0].contentEquals("super")) {
receiver = new Super(TypePlaceholder.fresh(offset), offset);
isStatic = Modifier.isStatic(compiler.getClass(new JavaClassName(superClass.getName().toString())).getField(fieldName).orElseThrow().modifier);
} else if (receiver == null) { // Handelt es sich um keinen Statischen Klassennamen:
String part = expression.substring(0, expression.length() - (1 + parts[parts.length - 1].length()));
receiver = generateLocalOrFieldVarOrClassName(part, offset);
} else {
StaticClassName cname = (StaticClassName) receiver;
var javaClassName = reg.getName(cname.getType().toString());
isStatic = Modifier.isStatic(compiler.getClass(javaClassName).getField(fieldName).orElseThrow().modifier);
}
return new FieldVar(receiver, isStatic, fieldName, TypePlaceholder.fresh(offset), offset);
} }
private Expression convert(Java17Parser.ArrayaccessexpressionContext arrayaccess) { private Expression convert(Java17Parser.ArrayaccessexpressionContext arrayaccess) {
@@ -837,8 +860,10 @@ public class StatementGenerator {
private Statement convert(AssignexpressionContext expr) { private Statement convert(AssignexpressionContext expr) {
switch (expr.bop.getText()) { switch (expr.bop.getText()) {
case "=": case "=":
AssignLeftSide leftHandSide = convertAssignLHS(convert(expr.expression(0))); ExpressionContext leftside = expr.expression(0);
return new Assign(leftHandSide, convert(expr.expression(1)), expr.getStart()); AssignLeftSide leftHandSide = convert(leftside.getText(), leftside.getStart());
Statement ret = new Assign(leftHandSide, convert(expr.expression(1)), expr.getStart());
return ret;
case "+=": case "+=":
case "-=": case "-=":
case "*=": case "*=":
@@ -855,8 +880,8 @@ public class StatementGenerator {
} }
} }
private AssignLeftSide convertAssignLHS(Expression expr) { private AssignLeftSide convert(String leftHandSide, Token start) {
Expression leftSide = expr; Expression leftSide = generateLocalOrFieldVarOrClassName(leftHandSide, start);
if (leftSide instanceof FieldVar) if (leftSide instanceof FieldVar)
return new AssignToField((FieldVar) leftSide); return new AssignToField((FieldVar) leftSide);
else if (leftSide instanceof LocalVar) else if (leftSide instanceof LocalVar)
@@ -1069,7 +1094,7 @@ public class StatementGenerator {
} }
params = new ParameterList(parameterList, lambdaParams.getStart()); params = new ParameterList(parameterList, lambdaParams.getStart());
} else if (lambdaParams.formalParameterList() != null) { } else if (lambdaParams.formalParameterList() != null) {
params = convert(lambdaParams.formalParameterList(), false); params = convert(lambdaParams.formalParameterList());
// }else if( lambdaParams.inferredFormalParameterList != null){ // }else if( lambdaParams.inferredFormalParameterList != null){
} else if (!Objects.isNull(lambdaParams.lambdaLVTIList())) { } else if (!Objects.isNull(lambdaParams.lambdaLVTIList())) {
List<Pattern> parameterList = new ArrayList<>(); List<Pattern> parameterList = new ArrayList<>();
@@ -1099,9 +1124,9 @@ public class StatementGenerator {
block = lambdaGenerator.convert(expression.lambdaBody().block(), true); block = lambdaGenerator.convert(expression.lambdaBody().block(), true);
} }
List<RefTypeOrTPHOrWildcardOrGeneric> funNParams = new ArrayList<>(); List<RefTypeOrTPHOrWildcardOrGeneric> funNParams = new ArrayList<>();
funNParams.add(TypePlaceholder.fresh(expression.getStart(), -1, false));// ret-Type funNParams.add(TypePlaceholder.fresh(expression.getStart()));// ret-Type
params.getFormalparalist().forEach(formalParameter -> // Für jeden Parameter einen TPH anfügen: params.getFormalparalist().forEach(formalParameter -> // Für jeden Parameter einen TPH anfügen:
funNParams.add(TypePlaceholder.fresh(expression.getStart(), 1, false))); funNParams.add(TypePlaceholder.fresh(expression.getStart())));
RefTypeOrTPHOrWildcardOrGeneric lambdaType = TypePlaceholder.fresh(expression.getStart()); RefTypeOrTPHOrWildcardOrGeneric lambdaType = TypePlaceholder.fresh(expression.getStart());
// RefType lambdaType = new // RefType lambdaType = new
// RefType(reg.getName("Fun"+params.getFormalparalist().size()), // RefType(reg.getName("Fun"+params.getFormalparalist().size()),

@@ -71,6 +71,10 @@ import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric; import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder; import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.syntaxtree.type.Void; import de.dhbwstuttgart.syntaxtree.type.Void;
import de.dhbwstuttgart.typeinference.constraints.GenericsResolver;
import javassist.compiler.SyntaxError;
import javax.swing.text.html.Option;
public class SyntaxTreeGenerator { public class SyntaxTreeGenerator {
private JavaClassRegistry reg; private JavaClassRegistry reg;
@@ -254,10 +258,7 @@ public class SyntaxTreeGenerator {
List<RefType> implementedInterfaces = new ArrayList<>(); List<RefType> implementedInterfaces = new ArrayList<>();
List<Pattern> constructorParameters = new ArrayList<>(); List<Pattern> constructorParameters = new ArrayList<>();
List<Statement> constructorStatements = new ArrayList<>(); List<Statement> constructorStatements = new ArrayList<>();
for (RecordComponentContext component : recordDeclaration.recordHeader().recordComponentList().recordComponent()) {
List<Java17Parser.RecordComponentContext> components = recordDeclaration.recordHeader().recordComponentList() != null ?
recordDeclaration.recordHeader().recordComponentList().recordComponent(): List.of();
for (RecordComponentContext component : components) {
int fieldmodifiers = allmodifiers.get("private") + allmodifiers.get("final"); int fieldmodifiers = allmodifiers.get("private") + allmodifiers.get("final");
String fieldname = component.identifier().getText(); String fieldname = component.identifier().getText();
Token fieldoffset = component.getStart(); Token fieldoffset = component.getStart();
@@ -269,7 +270,7 @@ public class SyntaxTreeGenerator {
} }
fielddecl.add(new Field(fieldname, fieldtype, fieldmodifiers, fieldoffset)); fielddecl.add(new Field(fieldname, fieldtype, fieldmodifiers, fieldoffset));
constructorParameters.add(new FormalParameter(fieldname, fieldtype, fieldoffset)); constructorParameters.add(new FormalParameter(fieldname, fieldtype, fieldoffset));
FieldVar fieldvar = new FieldVar(new This(offset), fieldname, fieldtype, fieldoffset); FieldVar fieldvar = new FieldVar(new This(offset), false, fieldname, fieldtype, fieldoffset);
constructorStatements.add(new Assign(new AssignToField(fieldvar), new LocalVar(fieldname, fieldtype, fieldoffset), offset)); constructorStatements.add(new Assign(new AssignToField(fieldvar), new LocalVar(fieldname, fieldtype, fieldoffset), offset));
Statement returnStatement = new Return(fieldvar, offset); Statement returnStatement = new Return(fieldvar, offset);
methods.add(new Method(allmodifiers.get("public"), fieldname, fieldtype, new ParameterList(new ArrayList<>(), offset), new Block(Arrays.asList(returnStatement), offset), new GenericDeclarationList(new ArrayList<>(), offset), offset)); methods.add(new Method(allmodifiers.get("public"), fieldname, fieldtype, new ParameterList(new ArrayList<>(), offset), new Block(Arrays.asList(returnStatement), offset), new GenericDeclarationList(new ArrayList<>(), offset), offset));
@@ -393,12 +394,12 @@ public class SyntaxTreeGenerator {
if (!Objects.isNull(ctx.EXTENDS())) { if (!Objects.isNull(ctx.EXTENDS())) {
extendedInterfaces.addAll(convert(ctx.typeList(0), generics)); extendedInterfaces.addAll(convert(ctx.typeList(0), generics));
} }
List<RefType> permittedSubtypes = null; List<RefType> permittedSubtypes = new ArrayList<>();
// Ist Bit für 'sealed'-Modifier gesetzt // Ist Bit für 'sealed'-Modifier gesetzt
if ((modifiers & 4096) != 0) { if ((modifiers & 4096) != 0) {
if (!Objects.isNull(ctx.PERMITS())) { if (!Objects.isNull(ctx.PERMITS())) {
// permitted subtypes sind letzte typeList (siehe Grammatikregel 'classDeclaration') // permitted subtypes sind letzte typeList (siehe Grammatikregel 'classDeclaration')
permittedSubtypes = new ArrayList<>(convert(ctx.typeList(ctx.typeList().size() - 1), generics)); permittedSubtypes.addAll(convert(ctx.typeList(ctx.typeList().size() - 1), generics));
} else { } else {
// falls sealed modifier ohne 'permits'-List oder umgekehrt // falls sealed modifier ohne 'permits'-List oder umgekehrt
throw new NotImplementedException("Invalid sealed class declaration"); throw new NotImplementedException("Invalid sealed class declaration");
@@ -435,7 +436,7 @@ public class SyntaxTreeGenerator {
} }
} }
StatementGenerator stmtgen = new StatementGenerator(superClass, compiler, reg, generics, fields, new HashMap<>()); StatementGenerator stmtgen = new StatementGenerator(superClass, compiler, reg, generics, fields, new HashMap<>());
ParameterList paramlist = stmtgen.convert(bodydeclaration.formalParameters().formalParameterList(), true); ParameterList paramlist = stmtgen.convert(bodydeclaration.formalParameters().formalParameterList());
MethodBodyContext body = bodydeclaration.methodBody(); MethodBodyContext body = bodydeclaration.methodBody();
Block block = null; Block block = null;
if (!(body instanceof EmptymethodContext)) { if (!(body instanceof EmptymethodContext)) {
@@ -532,7 +533,7 @@ public class SyntaxTreeGenerator {
RefTypeOrTPHOrWildcardOrGeneric retType; RefTypeOrTPHOrWildcardOrGeneric retType;
if (Objects.isNull(header.refType())) { if (Objects.isNull(header.refType())) {
retType = TypePlaceholder.fresh(header.getStart(), -1, false); retType = TypePlaceholder.fresh(header.getStart());
} else { } else {
if (header.refType() instanceof RefType2Context reftype) { if (header.refType() instanceof RefType2Context reftype) {
retType = TypeGenerator.convert(reftype.typeType(), reg, generics); retType = TypeGenerator.convert(reftype.typeType(), reg, generics);
@@ -541,7 +542,7 @@ public class SyntaxTreeGenerator {
} }
} }
StatementGenerator stmtgen = new StatementGenerator(superClass, compiler, reg, localgenerics, fields, new HashMap<>()); StatementGenerator stmtgen = new StatementGenerator(superClass, compiler, reg, localgenerics, fields, new HashMap<>());
ParameterList paramlist = stmtgen.convert(header.formalParameters().formalParameterList(), true); ParameterList paramlist = stmtgen.convert(header.formalParameters().formalParameterList());
MethodBodyContext body = methoddeclaration.methodBody(); MethodBodyContext body = methoddeclaration.methodBody();
Block block = null; Block block = null;
if (body instanceof EmptymethodContext emptymethod) { if (body instanceof EmptymethodContext emptymethod) {
@@ -581,7 +582,7 @@ public class SyntaxTreeGenerator {
} }
RefTypeOrTPHOrWildcardOrGeneric retType = TypeGenerator.convertTypeName(name, constructordeclaration.getStart(), reg, localgenerics); RefTypeOrTPHOrWildcardOrGeneric retType = TypeGenerator.convertTypeName(name, constructordeclaration.getStart(), reg, localgenerics);
StatementGenerator stmtgen = new StatementGenerator(superClass, compiler, reg, localgenerics, fields, new HashMap<>()); StatementGenerator stmtgen = new StatementGenerator(superClass, compiler, reg, localgenerics, fields, new HashMap<>());
ParameterList paramlist = stmtgen.convert(constructordeclaration.formalParameters().formalParameterList(), true); ParameterList paramlist = stmtgen.convert(constructordeclaration.formalParameters().formalParameterList());
Block block = prepareBlock(stmtgen.convert(constructordeclaration.constructorBody, true), superClass); Block block = prepareBlock(stmtgen.convert(constructordeclaration.constructorBody, true), superClass);
return new Constructor(modifiers, name, retType, paramlist, block, gtvDeclarations, constructordeclaration.getStart()); return new Constructor(modifiers, name, retType, paramlist, block, gtvDeclarations, constructordeclaration.getStart());
} }
@@ -594,7 +595,7 @@ public class SyntaxTreeGenerator {
} else { } else {
// PL 2019-12-06: variableDeclaratorList() eingefuegt, um als Token nicht die // PL 2019-12-06: variableDeclaratorList() eingefuegt, um als Token nicht die
// Modifier zu bekommen // Modifier zu bekommen
fieldType = TypePlaceholder.fresh(fieldDeclContext.variableDeclarators().getStart(), -1, false); fieldType = TypePlaceholder.fresh(fieldDeclContext.variableDeclarators().getStart());
} }
for (Java17Parser.VariableDeclaratorContext varDecl : fieldDeclContext.variableDeclarators().variableDeclarator()) { for (Java17Parser.VariableDeclaratorContext varDecl : fieldDeclContext.variableDeclarators().variableDeclarator()) {
String fieldName = varDecl.variableDeclaratorId().getText(); String fieldName = varDecl.variableDeclaratorId().getText();

@@ -7,7 +7,7 @@ import java.util.*;
/** /**
* Speichert die Klassen f<>r einen bestimmten Projektscope * Speichert die Klassen f<>r einen bestimmten Projektscope
*/ */
public class JavaClassRegistry{ public class JavaClassRegistry {
final Map<JavaClassName, Integer> existingClasses = new HashMap<>(); final Map<JavaClassName, Integer> existingClasses = new HashMap<>();
public JavaClassRegistry(Map<String, Integer> initialNames) { public JavaClassRegistry(Map<String, Integer> initialNames) {
@@ -22,10 +22,6 @@ public class JavaClassRegistry{
} }
} }
public Set<JavaClassName> getAllClassNames(){
return existingClasses.keySet();
}
public void addName(String className, int numberOfGenerics) { public void addName(String className, int numberOfGenerics) {
existingClasses.put(new JavaClassName(className), numberOfGenerics); existingClasses.put(new JavaClassName(className), numberOfGenerics);
} }

@@ -10,8 +10,6 @@ public interface ASTVisitor extends StatementVisitor{
void visit(FormalParameter formalParameter); void visit(FormalParameter formalParameter);
void visit(LiteralPattern literalPattern);
void visit(GenericDeclarationList genericTypeVars); void visit(GenericDeclarationList genericTypeVars);
void visit(Field field); void visit(Field field);

@@ -37,11 +37,6 @@ public abstract class AbstractASTWalker implements ASTVisitor {
formalParameter.getType().accept((ASTVisitor) this); formalParameter.getType().accept((ASTVisitor) this);
} }
@Override
public void visit(LiteralPattern literalPattern) {
}
@Override @Override
public void visit(GenericDeclarationList genericTypeVars) { public void visit(GenericDeclarationList genericTypeVars) {
Iterator<GenericTypeVar> genericIterator = genericTypeVars.iterator(); Iterator<GenericTypeVar> genericIterator = genericTypeVars.iterator();
@@ -241,11 +236,6 @@ public abstract class AbstractASTWalker implements ASTVisitor {
aBreak.accept(this); aBreak.accept(this);
} }
@Override
public void visit(Continue aContinue) {
aContinue.accept(this);
}
@Override @Override
public void visit(StaticClassName staticClassName) { public void visit(StaticClassName staticClassName) {

@@ -86,9 +86,6 @@ public class ClassOrInterface extends SyntaxTreeNode implements TypeScope {
return staticInitializer; return staticInitializer;
} }
public boolean isSealed() { return permittedSubtypes != null; }
public List<RefType> getPermittedSubtypes() { return permittedSubtypes != null ? permittedSubtypes : List.of(); }
public boolean isInterface() { public boolean isInterface() {
return (Modifier.INTERFACE & this.getModifiers()) != 0; return (Modifier.INTERFACE & this.getModifiers()) != 0;
} }
@@ -191,8 +188,9 @@ public class ClassOrInterface extends SyntaxTreeNode implements TypeScope {
@Override @Override
public boolean equals(Object o) { public boolean equals(Object o) {
if (this == o) return true; if (this == o) return true;
if (!(o instanceof ClassOrInterface other)) return false; if (o == null || getClass() != o.getClass()) return false;
return Objects.equals(name, other.name); ClassOrInterface that = (ClassOrInterface) o;
return Objects.equals(name, that.name);
} }
@Override @Override

@@ -1,29 +0,0 @@
package de.dhbwstuttgart.syntaxtree;
import de.dhbwstuttgart.syntaxtree.ASTVisitor;
import de.dhbwstuttgart.syntaxtree.Pattern;
import de.dhbwstuttgart.syntaxtree.StatementVisitor;
import de.dhbwstuttgart.syntaxtree.statement.Expression;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
import org.antlr.v4.runtime.Token;
public class LiteralPattern extends FormalParameter
{
public final Expression value;
public LiteralPattern(RefTypeOrTPHOrWildcardOrGeneric type, Expression value, Token offset) {
super(null, type, offset);
this.value = value;
}
@Override
public FormalParameter withType(RefTypeOrTPHOrWildcardOrGeneric type) {
return new LiteralPattern(type, value, getOffset());
}
@Override
public void accept(ASTVisitor visitor) {
visitor.visit(this);
}
}

@@ -3,7 +3,6 @@ package de.dhbwstuttgart.syntaxtree;
import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal; import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
import de.dhbwstuttgart.syntaxtree.statement.*; import de.dhbwstuttgart.syntaxtree.statement.*;
public interface StatementVisitor { public interface StatementVisitor {
void visit(ArgumentList argumentList); void visit(ArgumentList argumentList);
@@ -54,8 +53,6 @@ public interface StatementVisitor {
void visit(Break aBreak); void visit(Break aBreak);
void visit(Continue aContinue);
void visit(Yield aYield); void visit(Yield aYield);
void visit(StaticClassName staticClassName); void visit(StaticClassName staticClassName);

@@ -176,9 +176,8 @@ public class ASTFactory {
for (Type jreInterface : jreClass.getGenericInterfaces()) { for (Type jreInterface : jreClass.getGenericInterfaces()) {
implementedInterfaces.add((RefType) createType(jreInterface)); implementedInterfaces.add((RefType) createType(jreInterface));
} }
List<RefType> permittedSubtypes = null; List<RefType> permittedSubtypes = new ArrayList<>();
if (jreClass.isSealed()) { if (jreClass.isSealed()) {
permittedSubtypes = new ArrayList<>();
for (Class subclass : jreClass.getPermittedSubclasses()) { for (Class subclass : jreClass.getPermittedSubclasses()) {
permittedSubtypes.add((RefType) createType(subclass)); permittedSubtypes.add((RefType) createType(subclass));
} }

@@ -129,10 +129,9 @@ public class UnifyTypeFactory {
if (tph.getName().equals("AFR")) { if (tph.getName().equals("AFR")) {
System.out.println("XXX"+innerType); System.out.println("XXX"+innerType);
} }
PlaceholderType ntph = new PlaceholderType(tph.getName(), tph.getVariance()); PlaceholderType ntph = new PlaceholderType(tph.getName());
ntph.setVariance(tph.getVariance()); ntph.setVariance(tph.getVariance());
ntph.setOrCons(tph.getOrCons()); ntph.setOrCons(tph.getOrCons());
ntph.setWildcardtable(tph.getWildcardtable());
int in = PLACEHOLDERS.indexOf(ntph); int in = PLACEHOLDERS.indexOf(ntph);
if (in == -1) { if (in == -1) {
PLACEHOLDERS.add(ntph); PLACEHOLDERS.add(ntph);

@@ -1,18 +0,0 @@
package de.dhbwstuttgart.syntaxtree.statement;
import de.dhbwstuttgart.syntaxtree.StatementVisitor;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import org.antlr.v4.runtime.Token;
public class Continue extends Statement {
public Continue(RefTypeOrTPHOrWildcardOrGeneric type, Token offset) {
super(type, offset);
}
@Override
public void accept(StatementVisitor visitor) {
visitor.visit(this);
}
}

@@ -17,11 +17,13 @@ public class FieldVar extends Expression {
public final String fieldVarName; public final String fieldVarName;
public final Expression receiver; public final Expression receiver;
public final boolean isStatic;
public FieldVar(Expression receiver, String fieldVarName, RefTypeOrTPHOrWildcardOrGeneric type, Token offset) { public FieldVar(Expression receiver, boolean isStatic, String fieldVarName, RefTypeOrTPHOrWildcardOrGeneric type, Token offset) {
super(type, offset); super(type, offset);
this.fieldVarName = fieldVarName; this.fieldVarName = fieldVarName;
this.receiver = receiver; this.receiver = receiver;
this.isStatic = isStatic;
} }
@Override @Override

@@ -8,7 +8,6 @@ import org.antlr.v4.runtime.Token;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Iterator; import java.util.Iterator;
import java.util.List; import java.util.List;
import java.util.Objects;
public class RefType extends RefTypeOrTPHOrWildcardOrGeneric public class RefType extends RefTypeOrTPHOrWildcardOrGeneric
@@ -50,7 +49,10 @@ public class RefType extends RefTypeOrTPHOrWildcardOrGeneric
@Override @Override
public int hashCode() { public int hashCode() {
return this.name.hashCode();//Nur den Name hashen. Sorgt für langsame, aber funktionierende HashMaps int hash = 0;
hash += super.hashCode();
hash += this.name.hashCode();//Nur den Name hashen. Sorgt für langsame, aber funktionierende HashMaps
return hash;
} }
public RefType(JavaClassName fullyQualifiedName, List<RefTypeOrTPHOrWildcardOrGeneric> parameter, Token offset) { public RefType(JavaClassName fullyQualifiedName, List<RefTypeOrTPHOrWildcardOrGeneric> parameter, Token offset) {
@@ -81,7 +83,6 @@ public class RefType extends RefTypeOrTPHOrWildcardOrGeneric
public boolean equals(Object obj) public boolean equals(Object obj)
{ {
if(obj instanceof RefType){ if(obj instanceof RefType){
if (!Objects.equals(this.name, ((RefType) obj).name)) return false;
boolean ret = true; boolean ret = true;
//if(!(super.equals(obj))) PL 2020-03-12 muss vll. einkommentiert werden //if(!(super.equals(obj))) PL 2020-03-12 muss vll. einkommentiert werden

@@ -21,17 +21,9 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
private final String name; private final String name;
/** /**
* variance shows the variance of the pair * wird im Generate Generics Teil nach der Rueckumwandlung nach dem Unify genutzt
* 1: contravariant
* -1 covariant
* 0 invariant
*/
private int variance = 0;
/**
* isWildcardable gibt an, ob ein Wildcardtyp dem PlaceholderType zugeordnet werden darf
*/ */
private boolean wildcardable = true; private int variance = 0;
/* /*
* Fuer Oder-Constraints: * Fuer Oder-Constraints:
@@ -47,12 +39,10 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
* Factory-Methode <code>fresh()</code> erzeugt. * Factory-Methode <code>fresh()</code> erzeugt.
* <br>Author: J�rg B�uerle * <br>Author: J�rg B�uerle
*/ */
private TypePlaceholder(String name, Token offset, int variance, boolean wildcardable) private TypePlaceholder(String name, Token offset)
{ {
super(offset); super(offset);
this.name = name; this.name = name;
this.variance = variance;
this.wildcardable = wildcardable;
} }
@@ -63,15 +53,11 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
* @return * @return
*/ */
public static TypePlaceholder fresh(Token position){ public static TypePlaceholder fresh(Token position){
return new TypePlaceholder(NameGenerator.makeNewName(), position, 0, true); return new TypePlaceholder(NameGenerator.makeNewName(), position);
}
public static TypePlaceholder fresh(Token position, int variance, boolean wildcardable){
return new TypePlaceholder(NameGenerator.makeNewName(), position, variance, wildcardable);
} }
public static RefTypeOrTPHOrWildcardOrGeneric of(String name) { public static RefTypeOrTPHOrWildcardOrGeneric of(String name) {
return new TypePlaceholder(name, new NullToken(),0, true); return new TypePlaceholder(name, new NullToken());
} }
@@ -134,9 +120,4 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
public byte getOrCons() { public byte getOrCons() {
return orCons; return orCons;
} }
public Boolean getWildcardtable() {
return wildcardable;
}
} }

@@ -57,11 +57,6 @@ public class OutputGenerator implements ASTVisitor {
out.append(formalParameter.getName()); out.append(formalParameter.getName());
} }
@Override
public void visit(LiteralPattern literalPattern) {
literalPattern.value.accept(this);
}
@Override @Override
public void visit(GenericDeclarationList genericTypeVars) { public void visit(GenericDeclarationList genericTypeVars) {
Iterator<GenericTypeVar> genericIterator = genericTypeVars.iterator(); Iterator<GenericTypeVar> genericIterator = genericTypeVars.iterator();
@@ -338,11 +333,6 @@ public class OutputGenerator implements ASTVisitor {
out.append("break"); out.append("break");
} }
@Override
public void visit(Continue aContinue) {
out.append("continue");
}
@Override @Override
public void visit(StaticClassName staticClassName) { public void visit(StaticClassName staticClassName) {
@@ -513,11 +503,12 @@ public class OutputGenerator implements ASTVisitor {
aRecordPattern.getType().accept(this); aRecordPattern.getType().accept(this);
out.append("("); out.append("(");
List<Pattern> subPatterns = aRecordPattern.getSubPattern(); List<Pattern> subPatterns = aRecordPattern.getSubPattern();
for (var i = 0; i < subPatterns.size(); i++) { int i;
for (i = 0; i < subPatterns.size() - 1; i++) {
subPatterns.get(i).accept(this); subPatterns.get(i).accept(this);
if (i < subPatterns.size() - 1) out.append(", ");
out.append(", ");
} }
subPatterns.get(i).accept(this);
String name; String name;
if ((name = aRecordPattern.getName()) != null) if ((name = aRecordPattern.getName()) != null)
out.append(name); out.append(name);

@@ -2,8 +2,9 @@ package de.dhbwstuttgart.target.generate;
import de.dhbwstuttgart.bytecode.FunNGenerator; import de.dhbwstuttgart.bytecode.FunNGenerator;
import de.dhbwstuttgart.core.JavaTXCompiler; import de.dhbwstuttgart.core.JavaTXCompiler;
import de.dhbwstuttgart.environment.ByteArrayClassLoader;
import de.dhbwstuttgart.environment.IByteArrayClassLoader; import de.dhbwstuttgart.environment.IByteArrayClassLoader;
import de.dhbwstuttgart.exceptions.DebugException; import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.parser.NullToken; import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.parser.scope.JavaClassName; import de.dhbwstuttgart.parser.scope.JavaClassName;
import de.dhbwstuttgart.syntaxtree.*; import de.dhbwstuttgart.syntaxtree.*;
@@ -11,41 +12,31 @@ import de.dhbwstuttgart.syntaxtree.Record;
import de.dhbwstuttgart.syntaxtree.factory.ASTFactory; import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
import de.dhbwstuttgart.syntaxtree.statement.*; import de.dhbwstuttgart.syntaxtree.statement.*;
import de.dhbwstuttgart.syntaxtree.type.*; import de.dhbwstuttgart.syntaxtree.type.*;
import de.dhbwstuttgart.syntaxtree.visual.ASTPrinter;
import de.dhbwstuttgart.syntaxtree.visual.OutputGenerator;
import de.dhbwstuttgart.target.tree.*; import de.dhbwstuttgart.target.tree.*;
import de.dhbwstuttgart.target.tree.expression.*; import de.dhbwstuttgart.target.tree.expression.*;
import de.dhbwstuttgart.target.tree.type.*; import de.dhbwstuttgart.target.tree.type.*;
import de.dhbwstuttgart.typeinference.result.*; import de.dhbwstuttgart.typeinference.result.*;
import javax.sql.rowset.RowSetWarning;
import java.lang.annotation.Target;
import java.util.*; import java.util.*;
import java.util.stream.Collectors; import java.util.stream.Collectors;
import java.util.stream.Stream; import java.util.stream.Stream;
import java.util.stream.StreamSupport;
/** /**
* @author dholle * @author dholle
*/ */
public class ASTToTargetAST { public class ASTToTargetAST {
record SignaturePair(TypePlaceholder signature, RefTypeOrTPHOrWildcardOrGeneric parameter) {};
record SignaturePairTarget(TargetType signature, TargetType parameter) {}
public static RefType OBJECT = ASTFactory.createObjectType(); // TODO It would be better if I could call this directly but the hashcode seems to change public static RefType OBJECT = ASTFactory.createObjectType(); // TODO It would be better if I could call this directly but the hashcode seems to change
protected List<Generics> all; protected List<Generics> all;
public Generics generics; public Generics generics;
public List<Generics> currentMethodOverloads;
final Map<ClassOrInterface, Set<GenericTypeVar>> userDefinedGenerics = new HashMap<>(); final Map<ClassOrInterface, Set<GenericTypeVar>> userDefinedGenerics = new HashMap<>();
final Map<Method, Set<SignaturePair>> tphsInMethods = new HashMap<>();
private Method currentMethod;
public final JavaTXCompiler compiler; public final JavaTXCompiler compiler;
public List<RefTypeOrTPHOrWildcardOrGeneric> findAllVariants(RefTypeOrTPHOrWildcardOrGeneric type) {
return javaGenerics().stream().map(generics -> generics.resolve(type)).distinct().toList();
}
public List<GenericsResult> txGenerics() { public List<GenericsResult> txGenerics() {
return all.stream().map(generics -> new GenericsResult(generics.txGenerics)).toList(); return all.stream().map(generics -> new GenericsResult(generics.txGenerics)).toList();
} }
@@ -64,14 +55,14 @@ public class ASTToTargetAST {
} }
public IByteArrayClassLoader classLoader; protected IByteArrayClassLoader classLoader;
protected SourceFile sourceFile; protected SourceFile sourceFile;
public ASTToTargetAST(List<ResultSet> resultSets, IByteArrayClassLoader classLoader) { public ASTToTargetAST(List<ResultSet> resultSets) {
this(null, resultSets, classLoader); this(null, resultSets);
} }
public ASTToTargetAST(JavaTXCompiler compiler, List<ResultSet> resultSets, IByteArrayClassLoader classLoader) { public ASTToTargetAST(JavaTXCompiler compiler, List<ResultSet> resultSets) {
this(compiler, resultSets, null, classLoader); this(compiler, resultSets, null, new ByteArrayClassLoader());
} }
public ASTToTargetAST(JavaTXCompiler compiler, List<ResultSet> resultSets, SourceFile sourceFile, IByteArrayClassLoader classLoader) { public ASTToTargetAST(JavaTXCompiler compiler, List<ResultSet> resultSets, SourceFile sourceFile, IByteArrayClassLoader classLoader) {
@@ -86,12 +77,6 @@ public class ASTToTargetAST {
this.generics = all.get(0); this.generics = all.get(0);
} }
public void addSignaturePair(TypePlaceholder signature, RefTypeOrTPHOrWildcardOrGeneric parameter) {
var set = tphsInMethods.getOrDefault(currentMethod, new HashSet<>());
set.add(new SignaturePair(signature, parameter));
tphsInMethods.put(currentMethod, set);
}
Optional<Method> findMethod(ClassOrInterface owner, String name, List<TargetType> argumentList) { Optional<Method> findMethod(ClassOrInterface owner, String name, List<TargetType> argumentList) {
Optional<Method> method = Optional.empty(); Optional<Method> method = Optional.empty();
while (method.isEmpty()) { while (method.isEmpty()) {
@@ -145,207 +130,6 @@ public class ASTToTargetAST {
return ret; return ret;
} }
// This finds a common sealed interface type to group together methods that use different records
private List<ClassOrInterface> commonSuperInterfaceTypes(TargetType a, TargetType b) {
if (a instanceof TargetGenericType && b instanceof TargetGenericType) return List.of(ASTFactory.createObjectClass());
if (a instanceof TargetRefType ta && b instanceof TargetGenericType)
return List.of(compiler.getClass(new JavaClassName(ta.name())));
if (b instanceof TargetRefType tb && a instanceof TargetGenericType)
return List.of(compiler.getClass(new JavaClassName(tb.name())));
if (a instanceof TargetRefType ta && b instanceof TargetRefType tb) {
var res = new HashSet<ClassOrInterface>();
var cla = compiler.getClass(new JavaClassName(ta.name()));
var clb = compiler.getClass(new JavaClassName(tb.name()));
if (cla.equals(clb)) return List.of(cla);
while (!cla.equals(ASTFactory.createObjectClass())) {
var clb2 = clb;
while (!clb2.equals(ASTFactory.createObjectClass())) {
for (var intfa : cla.getSuperInterfaces()) {
for (var intfb : clb.getSuperInterfaces()) {
if (intfa.equals(intfb)) {
var clintf = compiler.getClass(intfa.getName());
if (clintf.isSealed()) {
res.add(clintf);
}
}
}
}
clb2 = compiler.getClass(clb2.getSuperClass().getName());
}
cla = compiler.getClass(cla.getSuperClass().getName());
}
return res.stream().toList();
}
return List.of();
}
// TODO This is ugly and probably doesn't work right
private boolean patternStrictlyEquals(TargetComplexPattern a, TargetComplexPattern b) {
if (!a.name().equals(b.name())) return false;
if (a.subPatterns().size() != b.subPatterns().size()) return false;
for (var i = 0; i < a.subPatterns().size(); i++) {
var p1 = a.subPatterns().get(i);
var p2 = b.subPatterns().get(i);
if (p1 instanceof TargetComplexPattern pc1 && p2 instanceof TargetComplexPattern pc2 &&
patternStrictlyEquals(pc1, pc2)) return false;
if (p1 instanceof TargetTypePattern pt1 && p2 instanceof TargetTypePattern pt2) {
if (pt1.type() instanceof TargetGenericType && pt2.type() instanceof TargetGenericType) continue;
}
if (!p1.type().equals(p2.type()) && commonSuperInterfaceTypes(p1.type(), p2.type()).isEmpty()) return false;
}
return true;
}
private boolean canCombine(TargetMethod m1, TargetMethod m2) {
if (!m1.name().equals(m2.name())) return false;
var s1 = m1.signature();
var s2 = m2.signature();
if (s1.parameters().size() != s2.parameters().size()) return false;
if (s1.parameters().isEmpty()) return false;
for (var i = 0; i < s1.parameters().size(); i++) {
var p1 = s1.parameters().get(i).pattern();
var p2 = s2.parameters().get(i).pattern();
if (p1.type() instanceof TargetGenericType || p2.type() instanceof TargetGenericType) continue;
if (p1 instanceof TargetComplexPattern pc1 && p2 instanceof TargetComplexPattern pc2 &&
patternStrictlyEquals(pc1, pc2)) return false;
if (!p1.equals(p2) && commonSuperInterfaceTypes(p1.type(), p2.type()).isEmpty()) return false;
}
return true;
}
private record Combination(TargetMethod a, TargetMethod b) {
@Override
public boolean equals(Object o) {
if (!(o instanceof Combination(TargetMethod a1, TargetMethod b1))) return false;
return this.a.equals(a1) && this.b.equals(b1) ||
this.a.equals(b1) && this.b.equals(a1);
}
@Override
public int hashCode() {
return Objects.hashCode(a) + Objects.hashCode(b);
}
}
public List<List<TargetMethod>> groupOverloads(ClassOrInterface input, List<Method> methods) {
var mapOfTargetMethods = new HashMap<Generics, TargetMethod[]>();
for (var generics : all) {
mapOfTargetMethods.put(generics, new TargetMethod[methods.size()]);
}
for (var i = 0; i < methods.size(); i++) {
var method = methods.get(i);
// Convert all methods
var methodsWithTphs = convert(input, method);
for (var m : methodsWithTphs) {
var resultMethods = mapOfTargetMethods.get(m.generics);
resultMethods[i] = m.method;
}
}
/*System.out.println("============== INPUT ==============");
for (var m : mapOfTargetMethods.values()) {
for (var v : m) System.out.println(v.name() + " " + v.getSignature());
System.out.println();
}*/
var allCombinations = new HashSet<Set<Combination>>();
// Combine methods based on their signature and position in the result set
for (var g1 : all) {
var resMeth1 = mapOfTargetMethods.get(g1);
for (var i = 0; i < methods.size(); i++) {
var m1 = resMeth1[i];
if (m1 == null) continue;
for (var g2 : all) {
if (g1 == g2) continue; // No need to combine the same method
var resMeth2 = mapOfTargetMethods.get(g2);
var m2 = resMeth2[i];
if (m2 == null) continue;
var combinations = new HashSet<Combination>();
if (canCombine(m1, m2)) {
//System.out.println(" Combining " + m1.getSignature() + " and " + m2.getSignature());
combinations.add(new Combination(m1, m2));
for (var j = 0; j < methods.size(); j++) {
if (j == i) continue;
var m3 = resMeth2[j];
if (m3 == null) continue;
var m4 = resMeth1[j];
if (m4 == null) continue;
combinations.add(new Combination(m4, m3));
//System.out.println("Also Combining " + m4.getSignature() + " and " + m3.getSignature());
}
} else {
//System.out.println(" Not Combining " + m1.getSignature() + " and " + m2.getSignature());
}
if (!combinations.isEmpty()) allCombinations.add(combinations);
}
}
}
if (allCombinations.isEmpty()) allCombinations.add(new HashSet<>());
// Combine back into output format
var r0 = new HashSet<Set<TargetMethod>>();
for (var combinations : allCombinations) {
var r1 = new HashSet<Set<TargetMethod>>();
// This is used to weed out duplicates
var uniqued = new HashSet<TargetMethod>();
// We go over all methods in the result
for (var g : all) for (var i = 0; i < methods.size(); i++) {
var r2 = new HashSet<TargetMethod>();
var m = mapOfTargetMethods.get(g)[i];
if (m == null) continue;
if (!uniqued.contains(m)) {
// Add the method to r2
r2.add(m);
uniqued.add(m);
} else continue;
// Find all combinations that contain the method and add them to the result
// if not filtered out by uniqued
for (var c : combinations) {
if (c.a.equals(m) || c.b.equals(m)) {
if (!uniqued.contains(c.a)) {
r2.add(c.a);
uniqued.add(c.a);
}
if (!uniqued.contains(c.b)) {
r2.add(c.b);
uniqued.add(c.b);
}
}
}
r1.add(r2);
}
outer: for (var s1 : r1) {
for (var s2 : new HashSet<>(r0)) {
if (s2.containsAll(s1)) {
continue outer;
} else if (s1.containsAll(s2)) {
r0.remove(s2);
r0.add(s1);
continue outer;
}
}
r0.add(s1);
}
}
var result = r0.stream().map(l -> l.stream().toList()).toList();
System.out.println("============== OUTPUT ==============");
for (var l : result) {
for (var m : l) System.out.println(m.name() + " " + m.getSignature());
System.out.println();
}
return result;
}
public TargetStructure convert(ClassOrInterface input) { public TargetStructure convert(ClassOrInterface input) {
Set<TargetGeneric> javaGenerics = new HashSet<>(); Set<TargetGeneric> javaGenerics = new HashSet<>();
Set<TargetGeneric> txGenerics = new HashSet<>(); Set<TargetGeneric> txGenerics = new HashSet<>();
@@ -376,12 +160,11 @@ public class ASTToTargetAST {
var superInterfaces = input.getSuperInterfaces().stream().map(clazz -> convert(clazz, generics.javaGenerics)).toList(); var superInterfaces = input.getSuperInterfaces().stream().map(clazz -> convert(clazz, generics.javaGenerics)).toList();
var constructors = input.getConstructors().stream().map(constructor -> this.convert(input, constructor, finalFieldInitializer)).flatMap(List::stream).toList(); var constructors = input.getConstructors().stream().map(constructor -> this.convert(input, constructor, finalFieldInitializer)).flatMap(List::stream).toList();
var fields = input.getFieldDecl().stream().map(this::convert).toList(); var fields = input.getFieldDecl().stream().map(this::convert).toList();
var methods = groupOverloads(input, input.getMethods()).stream().map(m -> generatePatternOverloads(input, m)).flatMap(List::stream) var methods = groupOverloads(input.getMethods()).stream().map(m -> convert(input, m)).flatMap(List::stream).toList();
.collect(Collectors.toSet()).stream().toList(); // Unique generated methods
TargetMethod staticConstructor = null; TargetMethod staticConstructor = null;
if (input.getStaticInitializer().isPresent()) if (input.getStaticInitializer().isPresent())
staticConstructor = this.convert(input, input.getStaticInitializer().get()).stream().findFirst().orElseThrow().method; staticConstructor = this.convert(input, input.getStaticInitializer().get()).get(0);
if (input instanceof Record) if (input instanceof Record)
return new TargetRecord(input.getModifiers(), input.getClassName(), javaGenerics, txGenerics, superInterfaces, constructors, staticConstructor, fields, methods); return new TargetRecord(input.getModifiers(), input.getClassName(), javaGenerics, txGenerics, superInterfaces, constructors, staticConstructor, fields, methods);
@@ -391,14 +174,9 @@ public class ASTToTargetAST {
} }
public List<MethodParameter> convert(ParameterList input, GenerateGenerics generics) { public List<MethodParameter> convert(ParameterList input, GenerateGenerics generics) {
var res = new ArrayList<MethodParameter>(); return input.getFormalparalist().stream().map(param ->
for (var i = 0; i < input.getFormalparalist().size(); i++) { new MethodParameter((TargetPattern) convert(param))
var param = input.getFormalparalist().get(i); ).toList();
var pattern = (TargetPattern) convert(param);
if (pattern instanceof TargetComplexPattern) pattern = pattern.withName("__var" + i);
res.add(new MethodParameter(pattern));
}
return res;
} }
private boolean hasGeneric(Set<TargetGeneric> generics, GenericRefType type) { private boolean hasGeneric(Set<TargetGeneric> generics, GenericRefType type) {
@@ -427,7 +205,6 @@ public class ASTToTargetAST {
generics = all.get(0); generics = all.get(0);
List<TargetConstructor> result = new ArrayList<>(); List<TargetConstructor> result = new ArrayList<>();
Set<List<MethodParameter>> parameterSet = new HashSet<>(); Set<List<MethodParameter>> parameterSet = new HashSet<>();
this.currentMethod = input;
for (var s : all) { for (var s : all) {
generics = s; generics = s;
@@ -447,157 +224,111 @@ public class ASTToTargetAST {
return result; return result;
} }
private String encodeName(String name, TargetMethod.Signature params) { /**
* This only considers type patterns, all other methods aren't grouped together
* @param a
* @param b
* @return
*/
private boolean signatureEquals(Method a, Method b) {
if (!a.name.equals(b.name)) return false;
var para = a.getParameterList().getFormalparalist();
var parb = b.getParameterList().getFormalparalist();
if (para.size() != parb.size()) return false;
for (var i = 0; i < para.size(); i++) {
var pa = para.get(i);
var pb = parb.get(i);
if (pa instanceof RecordPattern rpa) {
if (pb instanceof RecordPattern rpb) {
if (rpa.getType().equals(rpb.getType())) continue;
}
return false;
} else if (pa.getType().equals(pb.getType())) {
continue;
}
return false;
}
return true;
}
// TODO Nested patterns
private List<List<Method>> groupOverloads(List<Method> input) {
var done = new HashSet<Method>();
var res = new ArrayList<List<Method>>();
for (var method : input) {
if (done.contains(method)) continue;
var overloads = new ArrayList<Method>();
overloads.add(method);
done.add(method);
for (var method2 : input) {
if (!done.contains(method2) && signatureEquals(method, method2)) {
done.add(method2);
overloads.add(method2);
}
}
res.add(overloads);
}
return res;
}
private String encodeName(String name, ParameterList params) {
var res = new StringBuilder(); var res = new StringBuilder();
res.append(name); res.append(name);
res.append('$'); res.append('$');
for (var param : params.parameters()) { for (var param : params.getFormalparalist()) {
encodeName(param.pattern(), res); if (param instanceof RecordPattern rp) {
res.append(FunNGenerator.encodeType(convert(param.getType())));
for (var pattern : rp.getSubPattern()) {
res.append(FunNGenerator.encodeType(convert(pattern.getType())));
}
}
} }
return res.toString(); return res.toString();
} }
private void encodeName(TargetPattern pattern, StringBuilder res) { private List<TargetMethod> convert(ClassOrInterface clazz, List<Method> overloadedMethods) {
if (pattern instanceof TargetComplexPattern cp) { if (overloadedMethods.size() == 1) {
res.append(FunNGenerator.encodeType(cp.type())); return convert(clazz, overloadedMethods.get(0));
for (var pat : cp.subPatterns()) {
encodeName(pat, res);
}
} else {
res.append(FunNGenerator.encodeType(pattern.type()));
} }
} var res = new ArrayList<Method>();
private TargetType unwrap(TargetType type) {
if (type instanceof TargetRefType ref) {
if (!ref.params().isEmpty()) return new TargetRefType(ref.name());
}
return type;
}
private TargetExpression generatePatternOverloadsRec(int offset, TargetExpression switchExpr, List<TargetLocalVar> params, List<TargetPattern> patterns, List<TargetMethod> methods, TargetType classType) {
if (methods.isEmpty()) throw new DebugException("Couldn't find a candidate for switch overloading");
if (methods.size() == 1) {
var method = methods.getFirst();
var mParams = new ArrayList<TargetExpression>();
for (var i = 0; i < params.size(); i++) {
var tpe = method.signature().parameters().get(i).pattern().type();
mParams.add(new TargetLocalVar(tpe, params.get(i).name()));
}
TargetExpression caseBody = new TargetMethodCall(
method.signature().returnType(),
new TargetThis(classType),
mParams,
classType,
method.name(),
false, false, method.isPrivate()
);
if (method.signature().returnType() != null) {
caseBody = new TargetReturn(caseBody);
}
return caseBody;
}
var cases = new ArrayList<TargetSwitch.Case>();
var usedPatterns = new HashSet<TargetPattern>();
for (var method : methods) {
var patternsRec = new ArrayList<>(patterns);
TargetExpression expr = null;
var i = 0;
for (var param : method.signature().parameters()) {
if (i == offset) {
patternsRec.add(param.pattern());
}
if (i > offset) {
// Find next pattern
expr = params.get(i);
break;
}
i++;
}
var lastPattern = patternsRec.getLast();
if (usedPatterns.contains(lastPattern)) continue;
usedPatterns.add(lastPattern);
var candidates = methods.stream().filter(m -> {
var j = 0;
for (var param : m.signature().parameters()) {
if (j >= patternsRec.size()) return true;
if (!patternsRec.get(j).type().equals(param.pattern().type())) return false;
j++;
}
return true;
}).toList();
var caseBody = generatePatternOverloadsRec(offset + 1, expr, params, patternsRec, candidates, classType);
var body = new TargetBlock(List.of(caseBody));
var case_ = new TargetSwitch.Case(List.of(lastPattern), body);
cases.add(case_);
}
return new TargetSwitch(switchExpr, cases, null, true);
}
private List<TargetMethod> generatePatternOverloads(ClassOrInterface clazz, List<TargetMethod> overloadedMethods) {
if (overloadedMethods.size() <= 1) return overloadedMethods;
// Check if we have a pattern as a parameter
var firstMethod = overloadedMethods.getFirst();
var secondMethod = overloadedMethods.get(1);
if (firstMethod.signature().parameters().stream().noneMatch(mp -> mp.pattern() instanceof TargetComplexPattern)) return overloadedMethods;
// Rename existing methods
var res = new ArrayList<TargetMethod>();
for (var method : overloadedMethods) { for (var method : overloadedMethods) {
var name = encodeName(method.name(), method.signature()); var newMethod = new Method(
res.add(new TargetMethod(method.access(), name, method.block(), method.signature(), method.txSignature())); method.modifier,
method.name,
//encodeName(method.name, method.getParameterList()),
method.getReturnType(),
method.getParameterList(),
method.block,
method.getGenerics(),
method.getOffset()
);
res.add(newMethod);
} }
var signatureParams = new ArrayList<MethodParameter>(); // TODO Record overloading
for (var i = 0; i < firstMethod.signature().parameters().size(); i++) { /*var template = overloadedMethods.get(0);
var p1 = firstMethod.signature().parameters().get(i).pattern();
var t1 = p1.type();
var t2 = secondMethod.signature().parameters().get(i).pattern().type();
var commonSubTypes = new HashSet<>(commonSuperInterfaceTypes(t1, t2));
for (var m : overloadedMethods.subList(2, overloadedMethods.size())) {
var t3 = m.signature().parameters().get(i).pattern().type();
commonSubTypes.retainAll(commonSuperInterfaceTypes(t1, t3));
}
if (commonSubTypes.size() > 1) throw new DebugException("Invalid overload");
// TODO accept multiple types
var superType = ASTFactory.createObjectClass();
if (!commonSubTypes.isEmpty())
superType = commonSubTypes.iterator().next();
String name; var pParams = new ArrayList<Pattern>();
if (p1 instanceof TargetComplexPattern) name = "__var" + i; var i = 0;
else name = p1.name(); for (var par : template.getParameterList()) {
signatureParams.add(new MethodParameter(new TargetRefType(superType.getClassName().toString()), name)); pParams.add(switch (par) {
case RecordPattern rp -> new RecordPattern(rp.getSubPattern(), "par" + i, rp.getType(), new NullToken());
default -> par;
});
i++;
} }
var params = new ParameterList(pParams, new NullToken());
var commonSubTypes = new HashSet<>(commonSuperInterfaceTypes(firstMethod.signature().returnType(), secondMethod.signature().returnType())); var statements = new ArrayList<Statement>();
for (var m : overloadedMethods.subList(2, overloadedMethods.size())) { statements.add(new Return(makeRecordSwitch(template.getReturnType(), params, res), new NullToken()));
commonSubTypes.retainAll(commonSuperInterfaceTypes(firstMethod.signature().returnType(), m.signature().returnType())); var block = new Block(statements, new NullToken());
} var entryPoint = new Method(template.modifier, template.name, template.getReturnType(), params, block, template.getGenerics(), new NullToken());
var returnType = commonSubTypes.isEmpty() ? TargetType.Object : new TargetRefType(commonSubTypes.iterator().next().getClassName().toString());
var parameters = signatureParams.stream().map( p -> new TargetLocalVar(p.pattern().type(), p.pattern().name())).toList(); res.add(entryPoint); // TODO*/
//var patterns = List.of((TargetComplexPattern) firstMethod.signature().parameters().stream() return res.stream().map(m -> convert(clazz, m)).flatMap(List::stream).toList();
// .filter(p -> p.pattern() instanceof TargetComplexPattern).findFirst().orElseThrow().pattern());
// Generate dispatch method
var classType = new TargetRefType(clazz.getClassName().getClassName());
var stmt = generatePatternOverloadsRec(0, new TargetLocalVar(signatureParams.getFirst().pattern().type(), signatureParams.getFirst().pattern().name()), parameters, List.of(), res, classType);
var block = new TargetBlock(List.of(stmt));
var signature = new TargetMethod.Signature(Set.of(), signatureParams, returnType);
var bridgeMethod = new TargetMethod(firstMethod.access(), firstMethod.name(), block, signature, firstMethod.txSignature());
res.add(bridgeMethod);
return res;
} }
private Expression makeRecordSwitch(RefTypeOrTPHOrWildcardOrGeneric returnType, ParameterList params, List<Method> overloadedMethods) { private Expression makeRecordSwitch(RefTypeOrTPHOrWildcardOrGeneric returnType, ParameterList params, List<Method> overloadedMethods) {
@@ -635,35 +366,17 @@ public class ASTToTargetAST {
for (var i = 0; i < params.size(); i++) { for (var i = 0; i < params.size(); i++) {
var a = TargetType.toPrimitive(params.get(i).pattern().type()); var a = TargetType.toPrimitive(params.get(i).pattern().type());
var b = convert(sParams.getFormalparalist().get(i).getType()); var b = convert(sParams.getFormalparalist().get(i).getType());
System.out.println(a + " " + b);
if (!Objects.equals(a, b)) return false; if (!Objects.equals(a, b)) return false;
} }
return true; return true;
}).findFirst(); }).findFirst();
} }
record MethodWithTphs(TargetMethod method, Generics generics, List<SignaturePairTarget> args) { private List<TargetMethod> convert(ClassOrInterface currentClass, Method method) {
@Override generics = all.get(0);
public boolean equals(Object o) { List<TargetMethod> result = new ArrayList<>();
if (this == o) return true; Set<List<MethodParameter>> parameterSet = new HashSet<>();
if (!(o instanceof MethodWithTphs that)) return false;
return Objects.equals(method, that.method) && Objects.equals(args, that.args);
}
@Override
public int hashCode() {
return Objects.hash(method, args);
}
}
record Signature(TargetMethod.Signature java, TargetMethod.Signature tx, Generics generics) {}
private List<MethodWithTphs> convert(ClassOrInterface currentClass, Method method) {
generics = all.getFirst();
List<MethodWithTphs> result = new ArrayList<>();
this.currentMethod = method;
List<Signature> signatures = new ArrayList<>();
HashMap<TargetMethod.Signature, List<Generics>> collectedGenerics = new HashMap<>();
for (var s : all) { for (var s : all) {
generics = s; generics = s;
@@ -674,37 +387,23 @@ public class ASTToTargetAST {
var superMethod = findSuperMethodToOverride(currentClass, method.getName(), params); var superMethod = findSuperMethodToOverride(currentClass, method.getName(), params);
if (superMethod.isPresent()) { if (superMethod.isPresent()) {
// If we find a super method to override, use its parameters and return types // If we find a super method to override, use its parameters and return types
var newReturnType = convert(superMethod.get().getReturnType(), this.generics.javaGenerics); returnType = convert(superMethod.get().getReturnType(), this.generics.javaGenerics);
if (newReturnType instanceof TargetPrimitiveType && TargetType.toPrimitive(returnType).equals(newReturnType)) { params = convert(superMethod.get().getParameterList(), method.getParameterList(), this.generics.javaGenerics);
returnType = newReturnType;
params = convert(superMethod.get().getParameterList(), method.getParameterList(), this.generics.javaGenerics);
}
} }
List<MethodParameter> txParams = convert(method.getParameterList(), this.generics.txGenerics); List<MethodParameter> finalParams = params;
if (parameterSet.stream().noneMatch(p -> p.equals(finalParams))) {
List<MethodParameter> txParams = convert(method.getParameterList(), this.generics.txGenerics);
var javaMethodGenerics = collectMethodGenerics(currentClass, generics.javaGenerics(), javaGenerics, method); var javaMethodGenerics = collectMethodGenerics(currentClass, generics.javaGenerics(), javaGenerics, method);
var txMethodGenerics = collectMethodGenerics(currentClass, generics.txGenerics(), txGenerics, method); var txMethodGenerics = collectMethodGenerics(currentClass, generics.txGenerics(), txGenerics, method);
var javaSignature = new TargetMethod.Signature(javaMethodGenerics, params, returnType); var javaSignature = new TargetMethod.Signature(javaMethodGenerics, params, returnType);
var txSignature = new TargetMethod.Signature(txMethodGenerics, txParams, convert(method.getReturnType(), this.generics.txGenerics)); var txSignature = new TargetMethod.Signature(txMethodGenerics, txParams, convert(method.getReturnType(), this.generics.txGenerics));
result.add(new TargetMethod(method.modifier, method.name, convert(method.block), javaSignature, txSignature));
signatures.add(new Signature(javaSignature, txSignature, generics)); parameterSet.add(params);
var listOfGenerics = collectedGenerics.getOrDefault(javaSignature, new ArrayList<>()); }
listOfGenerics.add(generics);
collectedGenerics.put(javaSignature, listOfGenerics);
} }
for (var signature : signatures) {
generics = signature.generics;
currentMethodOverloads = collectedGenerics.get(signature.java);
var newMethod = new TargetMethod(method.modifier, method.name, convert(method.block), signature.java, signature.tx);
var concreteParams = tphsInMethods.getOrDefault(method, new HashSet<>()).stream().map(sig -> new SignaturePairTarget(convert(sig.signature), convert(sig.parameter))).toList();
result.add(new MethodWithTphs(newMethod, generics, concreteParams));
}
return result; return result;
} }
@@ -712,9 +411,7 @@ public class ASTToTargetAST {
var list = new ArrayList<MethodParameter>(); var list = new ArrayList<MethodParameter>();
for (var i = 0; i < paraList.getFormalparalist().size(); i++) { for (var i = 0; i < paraList.getFormalparalist().size(); i++) {
var param = paraList.getParameterAt(i); var param = paraList.getParameterAt(i);
var pattern = (TargetPattern) convert(param); list.add(new MethodParameter((TargetPattern) convert(param)).withType(convert(superList.getParameterAt(i).getType(), generics)));
if (pattern instanceof TargetComplexPattern) pattern = pattern.withName("__var" + i);
list.add(new MethodParameter(pattern).withType(convert(superList.getParameterAt(i).getType(), generics)));
} }
return list; return list;
} }
@@ -776,59 +473,10 @@ public class ASTToTargetAST {
} }
var filteredParams = new ArrayList<TargetType>(); var filteredParams = new ArrayList<TargetType>();
for (var i = 0; i < newParams.size(); i++) { for (var i = 0; i < newParams.size(); i++) {
if (i < gep.inParams.size() && gep.inParams.get(i) != null) if (gep.parameters.get(i) != null)
filteredParams.add(newParams.get(i)); filteredParams.add(newParams.get(i));
} }
return TargetFunNType.fromParams(params, filteredParams, gep.getReturnType() != null ? 1 : 0); return TargetFunNType.fromParams(params, filteredParams);
}
private FunNGenerator.GenericParameters convertToParameters(TargetFunNType input) {
return null;
}
private boolean isSubtype(TargetType test, TargetType other) {
if (other.equals(TargetType.Object)) return true;
if (test instanceof TargetFunNType tfun && other instanceof TargetFunNType ofun)
return isSubtype(new FunNGenerator.GenericParameters(tfun), new FunNGenerator.GenericParameters(ofun));
var testClass = compiler.getClass(new JavaClassName(test.name()));
var otherClass = compiler.getClass(new JavaClassName(other.name()));
if (testClass == null) return false;
while (testClass != null) {
if (testClass.equals(otherClass)) return true;
if (testClass.getClassName().equals(new JavaClassName("java.lang.Object"))) break;
testClass = compiler.getClass(testClass.getSuperClass().getName());
}
return false;
}
private boolean isSupertype(TargetType test, TargetType other) {
return isSubtype(other, test);
}
private boolean isSubtype(FunNGenerator.GenericParameters test, FunNGenerator.GenericParameters other) {
if (test.getArguments().size() != other.getArguments().size()) return false;
if (!isSubtype(test.getReturnType(), other.getReturnType())) return false;
for (int i = 0; i < test.getArguments().size(); i++) {
var arg1 = test.getArguments().get(i);
var arg2 = other.getArguments().get(i);
if (!isSupertype(arg1, arg2)) return false;
}
return true;
}
public void generateFunNTypes() {
for (var entry : usedFunN.entrySet()) {
var gep = entry.getValue();
var superInterfaces = usedFunN.values().stream()
.filter(g -> !g.equals(gep))
.filter(genericParameters -> isSubtype(gep, genericParameters))
.map(FunNGenerator::getSpecializedClassName)
.toList();
var code = FunNGenerator.generateSpecializedBytecode(gep, superInterfaces);
auxiliaries.put(entry.getKey(), code);
}
} }
protected TargetType convert(RefTypeOrTPHOrWildcardOrGeneric input, GenerateGenerics generics) { protected TargetType convert(RefTypeOrTPHOrWildcardOrGeneric input, GenerateGenerics generics) {
@@ -843,29 +491,39 @@ public class ASTToTargetAST {
} }
var params = refType.getParaList().stream().map(type -> { var params = refType.getParaList().stream().map(type -> {
return convert(type, generics); var res = convert(type, generics);
if (res == null) res = new TargetRefType("java.lang.Void");
return res;
}).toList(); }).toList();
if (name.matches("Fun\\d+\\$\\$")) { // TODO This seems like a bad idea if (name.matches("Fun\\d+\\$\\$")) { // TODO This seems like a bad idea
var returnType = FunNGenerator.getReturnType(params); var className = FunNGenerator.getSpecializedClassName(FunNGenerator.getArguments(params), FunNGenerator.getReturnType(params));
var className = FunNGenerator.getSpecializedClassName(FunNGenerator.getArguments(params), returnType);
if (!usedFunNSuperTypes.contains(params.size())) { if (!usedFunNSuperTypes.contains(params.size())) {
usedFunNSuperTypes.add(params.size()); usedFunNSuperTypes.add(params.size());
var code = FunNGenerator.generateSuperBytecode(params.size() - 1, returnType != null ? 1 : 0); var code = FunNGenerator.generateSuperBytecode(params.size() - 1);
var superClassName = FunNGenerator.getSuperClassName(params.size() - 1, returnType != null ? 1 : 0); var superClassName = FunNGenerator.getSuperClassName(params.size() - 1);
try { try {
classLoader.findClass(superClassName); classLoader.findClass(superClassName);
} catch (ClassNotFoundException e) { } catch (ClassNotFoundException e) {
try { try {
classLoader.loadClass(superClassName, code); classLoader.loadClass(code);
} catch (LinkageError ignored) {} } catch (LinkageError ignored) {}
} }
auxiliaries.put(superClassName, code); auxiliaries.put(superClassName, code);
} }
FunNGenerator.GenericParameters gep = null; FunNGenerator.GenericParameters gep = null;
if (!usedFunN.containsKey(className)) { if (!usedFunN.containsKey(className)) {
gep = new FunNGenerator.GenericParameters(params, returnType != null ? 1 : 0); gep = new FunNGenerator.GenericParameters();
var code = FunNGenerator.generateSpecializedBytecode(FunNGenerator.getArguments(params), FunNGenerator.getReturnType(params), gep);
try {
classLoader.findClass(className);
} catch (ClassNotFoundException e) {
try {
classLoader.loadClass(code);
} catch (LinkageError ignored) {}
}
usedFunN.put(className, gep); usedFunN.put(className, gep);
auxiliaries.put(className, code);
} else { } else {
gep = usedFunN.get(className); gep = usedFunN.get(className);
} }

@@ -1,7 +1,10 @@
package de.dhbwstuttgart.target.generate; package de.dhbwstuttgart.target.generate;
import de.dhbwstuttgart.parser.NullToken; import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.syntaxtree.*; import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
import de.dhbwstuttgart.syntaxtree.Constructor;
import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
import de.dhbwstuttgart.syntaxtree.Method;
import de.dhbwstuttgart.syntaxtree.statement.*; import de.dhbwstuttgart.syntaxtree.statement.*;
import de.dhbwstuttgart.syntaxtree.type.*; import de.dhbwstuttgart.syntaxtree.type.*;
import de.dhbwstuttgart.syntaxtree.type.Void; import de.dhbwstuttgart.syntaxtree.type.Void;
@@ -131,8 +134,8 @@ public abstract class GenerateGenerics {
final Map<Method, Set<Pair>> familyOfMethods = new HashMap<>(); final Map<Method, Set<Pair>> familyOfMethods = new HashMap<>();
final Set<PairLT> simplifiedConstraints = new HashSet<>(); final Set<PairLT> simplifiedConstraints = new HashSet<>();
Map<TPH, RefTypeOrTPHOrWildcardOrGeneric> concreteTypes = new HashMap<>(); final Map<TPH, RefTypeOrTPHOrWildcardOrGeneric> concreteTypes = new HashMap<>();
Map<TypePlaceholder, TypePlaceholder> equality = new HashMap<>(); final Map<TypePlaceholder, TypePlaceholder> equality = new HashMap<>();
GenerateGenerics(ASTToTargetAST astToTargetAST, ResultSet constraints) { GenerateGenerics(ASTToTargetAST astToTargetAST, ResultSet constraints) {
this.astToTargetAST = astToTargetAST; this.astToTargetAST = astToTargetAST;
@@ -151,41 +154,6 @@ public abstract class GenerateGenerics {
System.out.println("Simplified constraints: " + simplifiedConstraints); System.out.println("Simplified constraints: " + simplifiedConstraints);
} }
/*public record GenericsState(Map<TPH, RefTypeOrTPHOrWildcardOrGeneric> concreteTypes, Map<TypePlaceholder, TypePlaceholder> equality) {}
public GenericsState store() {
return new GenericsState(new HashMap<>(concreteTypes), new HashMap<>(equality));
}
public void restore(GenericsState state) {
this.concreteTypes = state.concreteTypes;
this.equality = state.equality;
}
public void addOverlay(TypePlaceholder from, RefTypeOrTPHOrWildcardOrGeneric to) {
if (to instanceof TypePlaceholder t) equality.put(from, t);
else if (to instanceof RefType t) concreteTypes.put(new TPH(from), t);
}*/
Set<TPH> findTypeVariables(ParameterList params) {
var res = new HashSet<TPH>();
for (var param : params.getFormalparalist()) {
res.addAll(findTypeVariables(param));
}
return res;
}
Set<TPH> findTypeVariables(Pattern pattern) {
var res = new HashSet<TPH>();
if (pattern instanceof RecordPattern rp) {
for (var subPattern : rp.getSubPattern()) {
res.addAll(findTypeVariables(subPattern));
}
}
res.addAll(findTypeVariables(pattern.getType()));
return res;
}
Set<TPH> findTypeVariables(RefTypeOrTPHOrWildcardOrGeneric type) { Set<TPH> findTypeVariables(RefTypeOrTPHOrWildcardOrGeneric type) {
var result = new HashSet<TPH>(); var result = new HashSet<TPH>();
if (type instanceof TypePlaceholder tph) { if (type instanceof TypePlaceholder tph) {
@@ -522,7 +490,9 @@ public abstract class GenerateGenerics {
if (!(method instanceof Constructor)) if (!(method instanceof Constructor))
typeVariables.addAll(findTypeVariables(method.getReturnType())); typeVariables.addAll(findTypeVariables(method.getReturnType()));
typeVariables.addAll(findTypeVariables(method.getParameterList())); for (var arg : method.getParameterList().getFormalparalist()) {
typeVariables.addAll(findTypeVariables(arg.getType()));
}
if (method.block != null) if (method.block != null)
method.block.accept(new TracingStatementVisitor() { method.block.accept(new TracingStatementVisitor() {
@@ -586,7 +556,9 @@ public abstract class GenerateGenerics {
var usedTphs = new HashSet<TPH>(); var usedTphs = new HashSet<TPH>();
// For eliminating inner type variables we need to figure out which ones are actually used // For eliminating inner type variables we need to figure out which ones are actually used
usedTphs.addAll(findTypeVariables(method.getParameterList())); for (var param : method.getParameterList().getFormalparalist()) {
usedTphs.addAll(findTypeVariables(param.getType()));
}
usedTphs.addAll(findTypeVariables(method.getReturnType())); usedTphs.addAll(findTypeVariables(method.getReturnType()));
referenced.addAll(usedTphs); referenced.addAll(usedTphs);
referenced.addAll(typeVariablesOfClass); referenced.addAll(typeVariablesOfClass);
@@ -680,25 +652,17 @@ public abstract class GenerateGenerics {
} }
void normalize(Set<Pair> result, Set<Pair> classGenerics, Set<TPH> usedTphs) { void normalize(Set<Pair> result, Set<Pair> classGenerics, Set<TPH> usedTphs) {
for (var p1 : new HashSet<>(result)) { outer:
if (p1 instanceof PairLT ptph && ptph.left.resolve().equals(ptph.right.resolve()))
result.remove(p1); // TODO This is a bit strange
}
for (var tph : usedTphs) { for (var tph : usedTphs) {
for (var p1 : new HashSet<>(result)) {
if (p1 instanceof PairLT ptph && ptph.left.equals(ptph.right))
result.remove(p1); // TODO This is a bit strange
if (p1.left.equals(tph)) continue outer;
}
if (classGenerics == null || classGenerics.stream().noneMatch((pair) -> pair.left.equals(tph))) if (classGenerics == null || classGenerics.stream().noneMatch((pair) -> pair.left.equals(tph)))
addToPairs(result, new PairEQ(tph, ASTToTargetAST.OBJECT)); addToPairs(result, new PairEQ(tph, ASTToTargetAST.OBJECT));
} }
var all = new HashSet<>(result);
for (var p : all) {
if (p instanceof PairEQ peq && peq.right.equals(ASTToTargetAST.OBJECT)) {
for (var p2 : all) {
if (p2 instanceof PairLT && p2.left.equals(p.left)) {
result.remove(p);
break;
}
}
}
}
} }
private record ToAdd(TypePlaceholder left, TypePlaceholder right) {} private record ToAdd(TypePlaceholder left, TypePlaceholder right) {}

@@ -1,22 +1,24 @@
package de.dhbwstuttgart.target.generate; package de.dhbwstuttgart.target.generate;
import de.dhbwstuttgart.core.JavaTXCompiler;
import de.dhbwstuttgart.exceptions.DebugException; import de.dhbwstuttgart.exceptions.DebugException;
import de.dhbwstuttgart.exceptions.NotImplementedException; import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal; import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
import de.dhbwstuttgart.parser.scope.JavaClassName; import de.dhbwstuttgart.parser.scope.JavaClassName;
import de.dhbwstuttgart.syntaxtree.*; import de.dhbwstuttgart.syntaxtree.*;
import de.dhbwstuttgart.syntaxtree.factory.PrimitiveMethodsGenerator;
import de.dhbwstuttgart.syntaxtree.statement.*; import de.dhbwstuttgart.syntaxtree.statement.*;
import de.dhbwstuttgart.syntaxtree.type.*; import de.dhbwstuttgart.syntaxtree.type.*;
import de.dhbwstuttgart.target.tree.MethodParameter; import de.dhbwstuttgart.target.tree.MethodParameter;
import de.dhbwstuttgart.target.tree.TargetGeneric;
import de.dhbwstuttgart.target.tree.TargetMethod; import de.dhbwstuttgart.target.tree.TargetMethod;
import de.dhbwstuttgart.target.tree.expression.*; import de.dhbwstuttgart.target.tree.expression.*;
import de.dhbwstuttgart.target.tree.type.*; import de.dhbwstuttgart.target.tree.type.*;
import javax.swing.text.html.Option;
import java.lang.reflect.Modifier; import java.lang.reflect.Modifier;
import java.sql.Array;
import java.util.*; import java.util.*;
import java.util.stream.Collectors; import java.util.stream.Stream;
import java.util.stream.StreamSupport; import java.util.stream.StreamSupport;
public class StatementToTargetExpression implements ASTVisitor { public class StatementToTargetExpression implements ASTVisitor {
@@ -33,71 +35,54 @@ public class StatementToTargetExpression implements ASTVisitor {
throw new NotImplementedException(); throw new NotImplementedException();
} }
private class LambdaCaptureFinder extends TracingStatementVisitor {
// TODO The same mechanism is implemented in Codegen, maybe use it from there?
final Stack<Set<String>> localVariables = new Stack<>();
private final List<MethodParameter> parameters;
private final List<MethodParameter> captures;
LambdaCaptureFinder(List<MethodParameter> parameters, List<MethodParameter> captures) {
localVariables.push(new HashSet<>());
this.parameters = parameters;
this.captures = captures;
}
boolean hasLocalVar(String name) {
for (var localVariables : this.localVariables) {
if (localVariables.contains(name))
return true;
}
return false;
}
@Override
public void visit(Block block) {
localVariables.push(new HashSet<>());
super.visit(block);
localVariables.pop();
}
@Override
public void visit(LocalVar localVar) {
super.visit(localVar);
var capture = new MethodParameter(new TargetTypePattern(converter.convert(localVar.getType()), localVar.name));
if (!hasLocalVar(localVar.name) && !parameters.contains(capture) && !captures.contains(capture))
captures.add(capture);
}
@Override
public void visit(LocalVarDecl varDecl) {
var localVariables = this.localVariables.peek();
localVariables.add(varDecl.getName());
}
@Override
public void visit(LambdaExpression lambda) {
var newCaptures = new ArrayList<MethodParameter>();
var captureFinder = new LambdaCaptureFinder(createParameters(lambda), newCaptures);
lambda.methodBody.accept(captureFinder);
newCaptures.removeAll(parameters);
captures.addAll(newCaptures);
}
}
private List<MethodParameter> createParameters(LambdaExpression lambda) {
return StreamSupport.stream(lambda.params.spliterator(), false)
.map(p -> (FormalParameter) p)
.map(p -> new MethodParameter(new TargetTypePattern(converter.convert(p.getType()), p.getName())))
.toList();
}
@Override @Override
public void visit(LambdaExpression lambdaExpression) { public void visit(LambdaExpression lambdaExpression) {
var parameters = createParameters(lambdaExpression); var parameters = StreamSupport.stream(lambdaExpression.params.spliterator(), false)
.map(p -> (FormalParameter) p)
.map(p -> new MethodParameter(new TargetTypePattern(converter.convert(p.getType()), p.getName())))
.toList();
List<MethodParameter> captures = new ArrayList<>(); List<MethodParameter> captures = new ArrayList<>();
var visitor = new LambdaCaptureFinder(parameters, captures); lambdaExpression.methodBody.accept(new TracingStatementVisitor() {
lambdaExpression.methodBody.accept(visitor); // TODO The same mechanism is implemented in Codegen, maybe use it from there?
final Stack<Set<String>> localVariables = new Stack<>();
{
localVariables.push(new HashSet<>());
}
boolean hasLocalVar(String name) {
for (var localVariables : this.localVariables) {
if (localVariables.contains(name))
return true;
}
return false;
}
@Override
public void visit(Block block) {
localVariables.push(new HashSet<>());
super.visit(block);
localVariables.pop();
}
@Override
public void visit(LocalVar localVar) {
super.visit(localVar);
var capture = new MethodParameter(new TargetTypePattern(converter.convert(localVar.getType()), localVar.name));
if (!hasLocalVar(localVar.name) && !parameters.contains(capture) && !captures.contains(capture))
captures.add(capture);
}
@Override
public void visit(LocalVarDecl varDecl) {
var localVariables = this.localVariables.peek();
localVariables.add(varDecl.getName());
}
@Override
public void visit(LambdaExpression lambda) {
} // Don't look at lambda expressions
});
TargetMethod.Signature signature = new TargetMethod.Signature(Set.of(), parameters, converter.convert(lambdaExpression.getReturnType()));; TargetMethod.Signature signature = new TargetMethod.Signature(Set.of(), parameters, converter.convert(lambdaExpression.getReturnType()));;
var tpe = converter.convert(lambdaExpression.getType()); var tpe = converter.convert(lambdaExpression.getType());
@@ -138,10 +123,7 @@ public class StatementToTargetExpression implements ASTVisitor {
@Override @Override
public void visit(BoolExpression bool) { public void visit(BoolExpression bool) {
result = switch(bool.operation) { System.out.println("BoolExpression");
case OR -> new TargetBinaryOp.Or(converter.convert(bool.getType()), converter.convert(bool.lexpr), converter.convert(bool.rexpr));
case AND -> new TargetBinaryOp.And(converter.convert(bool.getType()), converter.convert(bool.lexpr), converter.convert(bool.rexpr));
};
} }
@Override @Override
@@ -161,11 +143,7 @@ public class StatementToTargetExpression implements ASTVisitor {
@Override @Override
public void visit(FieldVar fieldVar) { public void visit(FieldVar fieldVar) {
var isStatic = false; result = new TargetFieldVar(converter.convert(fieldVar.getType()), converter.convert(fieldVar.receiver.getType()), fieldVar.isStatic, converter.convert(fieldVar.receiver), fieldVar.fieldVarName);
var type = converter.convert(fieldVar.receiver.getType());
var clazz = converter.compiler.getClass(new JavaClassName(type.name()));
var field = clazz.getField(fieldVar.fieldVarName).orElseThrow();
result = new TargetFieldVar(converter.convert(fieldVar.getType()), type, Modifier.isStatic(field.modifier), converter.convert(fieldVar.receiver), fieldVar.fieldVarName);
} }
@Override @Override
@@ -230,11 +208,6 @@ public class StatementToTargetExpression implements ASTVisitor {
var isPrivate = false; var isPrivate = false;
var signature = methodCall.signatureArguments().stream().map(converter::convert).toList(); var signature = methodCall.signatureArguments().stream().map(converter::convert).toList();
// Add used TPHs to containing method
for (var i = 0; i < methodCall.signatureArguments().size(); i++) {
converter.addSignaturePair(methodCall.signatureArguments().get(i), methodCall.arglist.getArguments().get(i).getType());
}
var receiverClass = converter.compiler.getClass(receiverName); var receiverClass = converter.compiler.getClass(receiverName);
if (methodCall.receiver instanceof ExpressionReceiver expressionReceiver && expressionReceiver.expr instanceof This) { if (methodCall.receiver instanceof ExpressionReceiver expressionReceiver && expressionReceiver.expr instanceof This) {
if (receiverClass == null) throw new DebugException("Class " + receiverName + " does not exist!"); if (receiverClass == null) throw new DebugException("Class " + receiverName + " does not exist!");
@@ -255,7 +228,6 @@ public class StatementToTargetExpression implements ASTVisitor {
isInterface = receiverClass.isInterface(); isInterface = receiverClass.isInterface();
} }
System.out.println(argList);
result = new TargetMethodCall(converter.convert(methodCall.getType()), returnType, argList, converter.convert(methodCall.receiver), methodCall.getArgumentList().getArguments().stream().map(converter::convert).toList(), receiverType, methodCall.name, isStatic, isInterface, isPrivate); result = new TargetMethodCall(converter.convert(methodCall.getType()), returnType, argList, converter.convert(methodCall.receiver), methodCall.getArgumentList().getArguments().stream().map(converter::convert).toList(), receiverType, methodCall.name, isStatic, isInterface, isPrivate);
} }
@@ -288,11 +260,6 @@ public class StatementToTargetExpression implements ASTVisitor {
result = new TargetBreak(); result = new TargetBreak();
} }
@Override
public void visit(Continue aContinue) {
result = new TargetContinue();
}
@Override @Override
public void visit(StaticClassName staticClassName) { public void visit(StaticClassName staticClassName) {
result = new TargetClassName(converter.convert(staticClassName.getType())); result = new TargetClassName(converter.convert(staticClassName.getType()));
@@ -315,7 +282,7 @@ public class StatementToTargetExpression implements ASTVisitor {
@Override @Override
public void visit(DoStmt whileStmt) { public void visit(DoStmt whileStmt) {
result = new TargetDo(converter.convert(whileStmt.expr), converter.convert(whileStmt.loopBlock)); throw new NotImplementedException();
} }
// TODO These two might not be necessary // TODO These two might not be necessary
@@ -408,94 +375,9 @@ public class StatementToTargetExpression implements ASTVisitor {
result = new TargetTernary(converter.convert(ternary.getType()), converter.convert(ternary.cond), converter.convert(ternary.iftrue), converter.convert(ternary.iffalse)); result = new TargetTernary(converter.convert(ternary.getType()), converter.convert(ternary.cond), converter.convert(ternary.iftrue), converter.convert(ternary.iffalse));
} }
record TypeVariants(RefTypeOrTPHOrWildcardOrGeneric in, List<RefTypeOrTPHOrWildcardOrGeneric> types) {}
private List<TypeVariants> extractAllPatterns(Pattern pattern) {
return switch (pattern) {
case GuardedPattern guarded -> extractAllPatterns(guarded.getNestedPattern());
case RecordPattern recordPattern -> recordPattern.getSubPattern().stream()
.map(this::extractAllPatterns)
.flatMap(List::stream).toList();
case FormalParameter param -> List.of(new TypeVariants(param.getType(), converter.findAllVariants(param.getType())));
default -> List.of();
};
}
record TypePair(RefTypeOrTPHOrWildcardOrGeneric in, RefTypeOrTPHOrWildcardOrGeneric out) {}
private void cartesianProduct(
List<TypeVariants> variants, int index,
List<RefTypeOrTPHOrWildcardOrGeneric> current,
List<List<RefTypeOrTPHOrWildcardOrGeneric>> result) {
if (index == variants.size()) {
result.add(new ArrayList<>(current));
return;
}
var currentSet = variants.get(index).types;
for (var element: currentSet) {
current.add(element);
cartesianProduct(variants, index + 1, current, result);
current.removeLast();
}
}
private List<List<TypePair>> cartesianProduct(List<TypeVariants> variants) {
var prod = new ArrayList<List<RefTypeOrTPHOrWildcardOrGeneric>>();
cartesianProduct(variants, 0, new ArrayList<>(), prod);
var res = new ArrayList<List<TypePair>>();
for (var list : prod) {
var l = new ArrayList<TypePair>();
for (var i = 0; i < list.size(); i++) {
l.add(new TypePair(variants.get(i).in, list.get(i)));
}
res.add(l);
}
return res;
}
@Override @Override
public void visit(Switch switchStmt) { public void visit(Switch switchStmt) {
var variants = converter.findAllVariants(switchStmt.getSwitch().getType()); var cases = switchStmt.getBlocks().stream().filter(s -> !s.isDefault()).map(converter::convert).toList();
var returns = converter.findAllVariants(switchStmt.getType());
var canBeOverloaded = variants.size() == 1 && returns.size() == 1;
var cases = switchStmt.getBlocks().stream().filter(s -> !s.isDefault()).map(case_ -> {
var overloads = new ArrayList<TargetSwitch.Case>();
if (canBeOverloaded) {
for (var label: case_.getLabels()) {
var product = cartesianProduct(extractAllPatterns(label.getPattern()));
for (var l : product) {
var oldGenerics = converter.generics;
// Set the generics to matching result set
for (var generics : converter.currentMethodOverloads) {
var java = generics.javaGenerics();
var equals = true;
for (var pair : l) {
if (!java.getType(pair.in).equals(pair.out)) {
equals = false; break;
}
}
if (equals) {
converter.generics = generics;
break;
}
}
overloads.add(converter.convert(case_));
converter.generics = oldGenerics;
}
}
} else {
overloads.add(converter.convert(case_));
}
return overloads;
}).flatMap(List::stream).toList();
TargetSwitch.Case default_ = null; TargetSwitch.Case default_ = null;
for (var block : switchStmt.getBlocks()) { for (var block : switchStmt.getBlocks()) {
@@ -589,11 +471,6 @@ public class StatementToTargetExpression implements ASTVisitor {
result = new TargetTypePattern(converter.convert(aPattern.getType()), aPattern.getName()); result = new TargetTypePattern(converter.convert(aPattern.getType()), aPattern.getName());
} }
@Override
public void visit(LiteralPattern literalPattern) {
result = new TargetExpressionPattern(converter.convert(literalPattern.value));
}
@Override @Override
public void visit(ExpressionPattern aPattern) { public void visit(ExpressionPattern aPattern) {
result = converter.convert(aPattern.getExpression()); result = converter.convert(aPattern.getExpression());

@@ -124,11 +124,6 @@ public abstract class TracingStatementVisitor implements StatementVisitor {
} }
@Override
public void visit(Continue aContinue) {
}
@Override @Override
public void visit(StaticClassName staticClassName) { public void visit(StaticClassName staticClassName) {

@@ -11,8 +11,4 @@ public record MethodParameter(TargetPattern pattern) {
public MethodParameter withType(TargetType type) { public MethodParameter withType(TargetType type) {
return new MethodParameter(pattern.withType(type)); return new MethodParameter(pattern.withType(type));
} }
public MethodParameter withName(String name) {
return new MethodParameter(pattern.withName(name));
}
} }

@@ -6,7 +6,6 @@ import de.dhbwstuttgart.target.tree.type.TargetType;
import org.objectweb.asm.Opcodes; import org.objectweb.asm.Opcodes;
import java.util.List; import java.util.List;
import java.util.Objects;
import java.util.Set; import java.util.Set;
public record TargetMethod(int access, String name, TargetBlock block, Signature signature, Signature txSignature) { public record TargetMethod(int access, String name, TargetBlock block, Signature signature, Signature txSignature) {
@@ -18,19 +17,6 @@ public record TargetMethod(int access, String name, TargetBlock block, Signature
public String getDescriptor() { public String getDescriptor() {
return TargetMethod.getDescriptor(returnType, parameters.stream().map(MethodParameter::pattern).map(TargetPattern::type).toArray(TargetType[]::new)); return TargetMethod.getDescriptor(returnType, parameters.stream().map(MethodParameter::pattern).map(TargetPattern::type).toArray(TargetType[]::new));
} }
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Signature signature = (Signature) o;
return Objects.equals(parameters, signature.parameters);
}
@Override
public int hashCode() {
return Objects.hash(parameters);
}
} }
public static String getDescriptor(TargetType returnType, TargetType... parameters) { public static String getDescriptor(TargetType returnType, TargetType... parameters) {
@@ -78,20 +64,5 @@ public record TargetMethod(int access, String name, TargetBlock block, Signature
public boolean isStatic() { public boolean isStatic() {
return (access & Opcodes.ACC_STATIC) != 0; return (access & Opcodes.ACC_STATIC) != 0;
} }
public boolean isPrivate() {
return (access & Opcodes.ACC_PRIVATE) != 0;
}
@Override
public boolean equals(Object other) {
if (!(other instanceof TargetMethod otherMethod)) return false;
return otherMethod.signature.equals(this.signature) && otherMethod.name.equals(this.name);
}
@Override
public int hashCode() {
return Objects.hash(name, signature);
}
} }

@@ -9,9 +9,4 @@ public record TargetComplexPattern(TargetType type, String name, List<TargetPatt
public TargetComplexPattern withType(TargetType type) { public TargetComplexPattern withType(TargetType type) {
return new TargetComplexPattern(type, name, subPatterns); return new TargetComplexPattern(type, name, subPatterns);
} }
@Override
public TargetComplexPattern withName(String name) {
return new TargetComplexPattern(type, name, subPatterns);
}
} }

@@ -1,4 +0,0 @@
package de.dhbwstuttgart.target.tree.expression;
public record TargetDo(TargetExpression cond, TargetExpression body) implements TargetExpression {
}

@@ -3,7 +3,7 @@ package de.dhbwstuttgart.target.tree.expression;
import de.dhbwstuttgart.target.tree.type.*; import de.dhbwstuttgart.target.tree.type.*;
public sealed interface TargetExpression public sealed interface TargetExpression
permits TargetBinaryOp, TargetBlock, TargetBreak, TargetCast, TargetClassName, TargetContinue, TargetDo, TargetFieldVar, TargetFor, TargetForEach, TargetIf, TargetInstanceOf, TargetLambdaExpression, TargetLiteral, TargetLocalVar, TargetPattern, TargetReturn, TargetStatementExpression, TargetSuper, TargetSwitch, TargetTernary, TargetThis, TargetThrow, TargetUnaryOp, TargetVarDecl, TargetWhile, TargetYield { permits TargetBinaryOp, TargetBlock, TargetBreak, TargetCast, TargetClassName, TargetContinue, TargetFieldVar, TargetFor, TargetForEach, TargetIf, TargetInstanceOf, TargetLambdaExpression, TargetLiteral, TargetLocalVar, TargetPattern, TargetReturn, TargetStatementExpression, TargetSuper, TargetSwitch, TargetTernary, TargetThis, TargetThrow, TargetUnaryOp, TargetVarDecl, TargetWhile, TargetYield {
default TargetType type() { default TargetType type() {
return null; return null;

@@ -1,20 +0,0 @@
package de.dhbwstuttgart.target.tree.expression;
import de.dhbwstuttgart.target.tree.type.TargetType;
public record TargetExpressionPattern(TargetExpression expression) implements TargetPattern {
@Override
public TargetPattern withType(TargetType type) {
return this;
}
@Override
public TargetType type() {
return expression.type();
}
@Override
public TargetPattern withName(String name) {
return this;
}
}

@@ -12,9 +12,4 @@ public record TargetGuard(TargetPattern inner, TargetExpression expression) impl
public TargetType type() { public TargetType type() {
return inner.type(); return inner.type();
} }
@Override
public TargetGuard withName(String name) {
return new TargetGuard(inner.withName(name), expression);
}
} }

@@ -2,7 +2,7 @@ package de.dhbwstuttgart.target.tree.expression;
import de.dhbwstuttgart.target.tree.type.TargetType; import de.dhbwstuttgart.target.tree.type.TargetType;
public sealed interface TargetPattern extends TargetExpression permits TargetComplexPattern, TargetExpressionPattern, TargetGuard, TargetTypePattern { public sealed interface TargetPattern extends TargetExpression permits TargetComplexPattern, TargetGuard, TargetTypePattern {
default String name() { default String name() {
return null; return null;
} }
@@ -10,6 +10,4 @@ public sealed interface TargetPattern extends TargetExpression permits TargetCom
TargetPattern withType(TargetType type); TargetPattern withType(TargetType type);
TargetType type(); TargetType type();
TargetPattern withName(String name);
} }

@@ -7,9 +7,4 @@ public record TargetTypePattern(TargetType type, String name) implements TargetP
public TargetTypePattern withType(TargetType type) { public TargetTypePattern withType(TargetType type) {
return new TargetTypePattern(type, name); return new TargetTypePattern(type, name);
} }
@Override
public TargetTypePattern withName(String name) {
return new TargetTypePattern(type, name);
}
} }

@@ -1,4 +1,6 @@
package de.dhbwstuttgart.target.tree.expression; package de.dhbwstuttgart.target.tree.expression;
import de.dhbwstuttgart.target.tree.type.TargetType;
public record TargetWhile(TargetExpression cond, TargetExpression body) implements TargetExpression { public record TargetWhile(TargetExpression cond, TargetExpression body) implements TargetExpression {
} }

@@ -4,29 +4,15 @@ import de.dhbwstuttgart.bytecode.FunNGenerator;
import java.util.List; import java.util.List;
public record TargetFunNType(String name, List<TargetType> funNParams, List<TargetType> params, int returnArguments) implements TargetSpecializedType { public record TargetFunNType(String name, List<TargetType> params) implements TargetSpecializedType {
public static TargetFunNType fromParams(List<TargetType> params, int returnArguments) { public static TargetFunNType fromParams(List<TargetType> params) {
return fromParams(params, params, returnArguments); return fromParams(params, params);
} }
public static TargetFunNType fromParams(List<TargetType> params, List<TargetType> realParams, int returnArguments) { public static TargetFunNType fromParams(List<TargetType> params, List<TargetType> realParams) {
var name = FunNGenerator.getSpecializedClassName(FunNGenerator.getArguments(params), FunNGenerator.getReturnType(params)); var name = FunNGenerator.getSpecializedClassName(FunNGenerator.getArguments(params), FunNGenerator.getReturnType(params));
return new TargetFunNType(name, params, realParams, returnArguments); return new TargetFunNType(name, realParams);
}
public String toMethodDescriptor() {
var res = "(";
for (var i = 0; i < funNParams.size() - 1; i++) {
res += "Ljava/lang/Object;";
}
res += ")";
if (returnArguments > 0) {
res += "Ljava/lang/Object;";
} else {
res += "V";
}
return res;
} }
@Override @Override

@@ -53,17 +53,19 @@ public sealed interface TargetType
}; };
} }
static TargetType toWrapper(TargetType f) { static TargetType toTargetType(Class<?> clazz) {
if (f.equals(boolean_)) return Boolean; if (clazz.isPrimitive()) {
if (f.equals(char_)) return Char; if (clazz.equals(boolean.class)) return boolean_;
if (f.equals(byte_)) return Byte; if (clazz.equals(char.class)) return char_;
if (f.equals(short_)) return Short; if (clazz.equals(byte.class)) return byte_;
if (f.equals(int_)) return Integer; if (clazz.equals(short.class)) return short_;
if (f.equals(long_)) return Long; if (clazz.equals(int.class)) return int_;
if (f.equals(float_)) return Float; if (clazz.equals(long.class)) return long_;
if (f.equals(double_)) return Double; if (clazz.equals(float.class)) return float_;
if (clazz.equals(double.class)) return double_;
return f; }
if (clazz.equals(void.class)) return null;
return new TargetRefType(clazz.getName());
} }
String toSignature(); String toSignature();

@@ -13,7 +13,7 @@ import java.util.HashSet;
import java.util.List; import java.util.List;
import java.util.Set; import java.util.Set;
public class TypeInsertPlacer extends AbstractASTWalker { public class TypeInsertPlacer extends AbstractASTWalker{
Set<TypeInsert> inserts = new HashSet<>(); Set<TypeInsert> inserts = new HashSet<>();
private ResultSet withResults; private ResultSet withResults;
String pkgName; String pkgName;

@@ -35,6 +35,7 @@ public class TypeInferenceBlockInformation extends TypeInferenceInformation {
public ClassOrInterface getSuperClass() { public ClassOrInterface getSuperClass() {
for (var clazz : getAvailableClasses()) { for (var clazz : getAvailableClasses()) {
System.out.println(currentClass.getSuperClass().getName());
if (clazz.getClassName().equals(currentClass.getSuperClass().getName())) if (clazz.getClassName().equals(currentClass.getSuperClass().getName()))
return clazz; return clazz;
} }

@@ -6,7 +6,7 @@ import java.util.Collection;
import java.util.HashSet; import java.util.HashSet;
import java.util.Set; import java.util.Set;
public class Constraint<A> extends HashSet<A> implements Comparable<Constraint<A>> { public class Constraint<A> extends HashSet<A> {
private static final long serialVersionUID = 1L; private static final long serialVersionUID = 1L;
private Boolean isInherited = false;//wird beides nur für die Method-Constraints benoetigt private Boolean isInherited = false;//wird beides nur für die Method-Constraints benoetigt
private Boolean isImplemented = false; private Boolean isImplemented = false;
@@ -74,8 +74,4 @@ public class Constraint<A> extends HashSet<A> implements Comparable<Constraint<A
return super.toString(); return super.toString();
} }
@Override
public int compareTo(Constraint<A> o) {
return this.toString().compareTo(o.toString());
}
} }

@@ -127,4 +127,5 @@ public class ConstraintSet<A> {
public Set<A> getUndConstraints() { public Set<A> getUndConstraints() {
return undConstraints; return undConstraints;
} }
} }

@@ -136,8 +136,12 @@ public class Pair implements Serializable
public boolean OperatorSmallerDot() { public boolean OperatorSmallerDot() {
return eOperator == PairOperator.SMALLERDOT; return eOperator == PairOperator.SMALLERDOT;
} }
public boolean OperatorSmallerNEQDot() {
return eOperator == PairOperator.SMALLERNEQDOT;
}
static public Map<String, TypePlaceholder> generateTPHMap(ConstraintSet<Pair> constraints) { static public Map<String, TypePlaceholder> generateTPHMap(ConstraintSet<Pair> constraints) {
HashMap<String, TypePlaceholder> ret = new HashMap<>(); HashMap<String, TypePlaceholder> ret = new HashMap<>();
constraints.map((Pair p) -> { constraints.map((Pair p) -> {

@@ -5,7 +5,7 @@ import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
/** /**
* Paare, welche das Unifikationsergebnis darstellen * Paare, welche das Unifikationsergebnis darstellen
*/ */
public abstract class ResultPair<A extends RefTypeOrTPHOrWildcardOrGeneric, B extends RefTypeOrTPHOrWildcardOrGeneric> implements Comparable<ResultPair<A,B>> { public abstract class ResultPair<A extends RefTypeOrTPHOrWildcardOrGeneric,B extends RefTypeOrTPHOrWildcardOrGeneric> {
private final A left; private final A left;
private final B right; private final B right;
@@ -58,14 +58,5 @@ public abstract class ResultPair<A extends RefTypeOrTPHOrWildcardOrGeneric, B ex
return false; return false;
return true; return true;
} }
@Override
public int compareTo(ResultPair<A, B> o) {
if (o == null) {
return 1; // this is greater than null
}
return o.left.toString().compareTo(this.left.toString());
}
} }

@@ -1,8 +1,6 @@
package de.dhbwstuttgart.typeinference.result; package de.dhbwstuttgart.typeinference.result;
import java.util.Collections;
import java.util.HashSet; import java.util.HashSet;
import java.util.List;
import java.util.Set; import java.util.Set;
import de.dhbwstuttgart.exceptions.NotImplementedException; import de.dhbwstuttgart.exceptions.NotImplementedException;
@@ -14,7 +12,7 @@ import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder; import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
@SuppressWarnings("rawtypes") @SuppressWarnings("rawtypes")
public class ResultSet implements Comparable<ResultSet>{ public class ResultSet {
public final Set<ResultPair> results; public final Set<ResultPair> results;
public Set<ResultPair<TypePlaceholder, TypePlaceholder>> genIns; public Set<ResultPair<TypePlaceholder, TypePlaceholder>> genIns;
@@ -24,10 +22,6 @@ public class ResultSet implements Comparable<ResultSet>{
this.genIns = new HashSet<>(); this.genIns = new HashSet<>();
results.forEach(x -> { if (x instanceof PairTPHsmallerTPH) { this.genIns.add(x);}} ); results.forEach(x -> { if (x instanceof PairTPHsmallerTPH) { this.genIns.add(x);}} );
} }
public List<ResultPair> getSortedResults() {
return results.stream().sorted().toList();
}
public boolean contains(ResultPair toCheck) { public boolean contains(ResultPair toCheck) {
return this.results.contains(toCheck); return this.results.contains(toCheck);
@@ -69,21 +63,6 @@ public class ResultSet implements Comparable<ResultSet>{
public int hashCode() { public int hashCode() {
return results.hashCode(); return results.hashCode();
} }
@Override
public int compareTo(ResultSet o) {
List<ResultPair> thisSorted = this.getSortedResults();
List<ResultPair> otherSorted = o.getSortedResults();
int sizeCompare = Integer.compare(thisSorted.size(), otherSorted.size());
if (sizeCompare != 0) return sizeCompare;
for (int i = 0; i < thisSorted.size(); i++) {
int cmp = thisSorted.get(i).compareTo(otherSorted.get(i));
if (cmp != 0) return cmp;
}
return 0;
}
} }
class Resolver implements ResultSetVisitor { class Resolver implements ResultSetVisitor {

@@ -1,28 +1,21 @@
package de.dhbwstuttgart.typeinference.typeAlgo; package de.dhbwstuttgart.typeinference.typeAlgo;
import de.dhbwstuttgart.exceptions.DebugException; import de.dhbwstuttgart.exceptions.DebugException;
import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.parser.SourceLoc;
import de.dhbwstuttgart.parser.antlr.Java17Parser;
import de.dhbwstuttgart.parser.scope.JavaClassName; import de.dhbwstuttgart.parser.scope.JavaClassName;
import de.dhbwstuttgart.syntaxtree.*; import de.dhbwstuttgart.syntaxtree.*;
import de.dhbwstuttgart.syntaxtree.factory.ASTFactory; import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
import de.dhbwstuttgart.syntaxtree.statement.Statement; import de.dhbwstuttgart.syntaxtree.statement.Statement;
import de.dhbwstuttgart.syntaxtree.type.RefType; import de.dhbwstuttgart.syntaxtree.type.*;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.target.tree.type.TargetRefType;
import de.dhbwstuttgart.typeinference.assumptions.FieldAssumption;
import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation; import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceInformation; import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceInformation;
import de.dhbwstuttgart.typeinference.constraints.Constraint;
import de.dhbwstuttgart.typeinference.constraints.ConstraintSet; import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
import de.dhbwstuttgart.typeinference.constraints.Pair; import de.dhbwstuttgart.typeinference.constraints.Pair;
import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
import de.dhbwstuttgart.util.BiRelation; import de.dhbwstuttgart.util.BiRelation;
import org.antlr.v4.runtime.Token;
import java.lang.reflect.Modifier; import java.io.FileWriter;
import java.io.IOException;
import java.util.*; import java.util.*;
import java.util.stream.Collectors;
public class TYPE { public class TYPE {
@@ -35,16 +28,80 @@ public class TYPE {
} }
public ConstraintSet getConstraints() { public ConstraintSet getConstraints() {
ConstraintSet ret = new ConstraintSet(); ConstraintSet<Pair> ret = new ConstraintSet();
for (ClassOrInterface cl : sf.KlassenVektor) { for (ClassOrInterface cl : sf.KlassenVektor) {
var allClasses = new HashSet<ClassOrInterface>(); var allClasses = new HashSet<ClassOrInterface>();
allClasses.addAll(allAvailableClasses); allClasses.addAll(allAvailableClasses);
allClasses.addAll(sf.availableClasses); allClasses.addAll(sf.availableClasses);
ret.addAll(getConstraintsClass(cl, new TypeInferenceInformation(allClasses))); ret.addAll(getConstraintsClass(cl, new TypeInferenceInformation(allClasses)));
} }
writeASP(ret);
//System.exit(0);
return ret; return ret;
} }
private String toASP(RefTypeOrTPHOrWildcardOrGeneric type){
if(type instanceof TypePlaceholder){
return "_"+((TypePlaceholder) type).getName();
}else if(type instanceof RefType){
if(((RefType) type).getParaList().size() > 0){
return ((RefType) type).getName() + "<" +
((RefType) type).getParaList().stream().map(this::toASP).collect(Collectors.joining(", ")) +
">";
}else{
return ((RefType) type).getName().toString();
}
}else if(type instanceof ExtendsWildcardType){
return toASP(((ExtendsWildcardType) type).getInnerType());
} else if(type instanceof SuperWildcardType) {
return toASP(((SuperWildcardType) type).getInnerType());
} else if(type instanceof GenericRefType){
return "G"+((GenericRefType) type).getParsedName();
}
throw new RuntimeException("Unsupported Type: "+ type);
}
private String genASP(Set<Pair> cs){
String ret = "";
for(Pair p : cs) {
if (p.OperatorEqual()) {
ret +=(toASP(p.TA1) + "=." + toASP(p.TA2) + "\n");
} else if (p.OperatorSmallerDot()) {
ret +=(toASP(p.TA1) + "<." + toASP(p.TA2) + "\n");
} else if (p.OperatorSmallerNEQDot()) {
ret += (toASP(p.TA1) + "<." + toASP(p.TA2) + "\n");
}else if(p.OperatorSmaller()){
ret += toASP(p.TA1) +"<"+toASP(p.TA2)+ "\n";
} else {
throw new RuntimeException("Operator unsupported: " + p.GetOperator());
}
}
return ret;
}
private void writeASP(ConstraintSet<Pair> cs){
try(var f = new FileWriter("/tmp/output")){
f.append(genASP(cs.getUndConstraints()));
List<List<Set<Pair>>> orCons = cs.getOderConstraints().stream().map(css -> {
return css.stream().map(cp -> {
return cp.stream().collect(Collectors.toSet());
}).collect(Collectors.toList());
}).toList();
for(var orCon : orCons){
f.append("{\n");
var it = orCon.iterator();
while(it.hasNext()) {
var orC = it.next();
f.append("{\n");
f.append(genASP(orC));
f.append("}\n");
if(it.hasNext())f.append("|");
}
f.append("}\n");
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private ConstraintSet getConstraintsClass(ClassOrInterface cl, TypeInferenceInformation info) { private ConstraintSet getConstraintsClass(ClassOrInterface cl, TypeInferenceInformation info) {
ConstraintSet ret = new ConstraintSet(); ConstraintSet ret = new ConstraintSet();
ConstraintSet methConstrains; ConstraintSet methConstrains;
@@ -90,66 +147,8 @@ public class TYPE {
if(m.block == null)return new ConstraintSet(); //Abstrakte Methoden generieren keine Constraints if(m.block == null)return new ConstraintSet(); //Abstrakte Methoden generieren keine Constraints
TypeInferenceBlockInformation blockInfo = new TypeInferenceBlockInformation(info.getAvailableClasses(), currentClass, m); TypeInferenceBlockInformation blockInfo = new TypeInferenceBlockInformation(info.getAvailableClasses(), currentClass, m);
TYPEStmt methodScope = new TYPEStmt(blockInfo); TYPEStmt methodScope = new TYPEStmt(blockInfo);
ConstraintSet constraintSet = new ConstraintSet();
if (m.name.equals("main") && Modifier.isStatic(m.modifier) && m.getParameterList().getFormalparalist().size() == 1) {
// Add constraint for main method
var firstParam = m.getParameterList().getParameterAt(0);
constraintSet.addUndConstraint(new Pair(firstParam.getType(),
new RefType(new JavaClassName("java.util.List"),
List.of(new RefType(new JavaClassName("java.lang.String"), new NullToken())),
new NullToken()),
PairOperator.EQUALSDOT));
} else {
m.getParameterList().getFormalparalist().forEach(el -> {
if (el instanceof RecordPattern rp){
constraintSet.addAll(addRecursiveParameterConstraints(rp, blockInfo));
}
});
}
m.block.accept(methodScope); m.block.accept(methodScope);
constraintSet.addAll(methodScope.getConstraints()); return methodScope.getConstraints();
return constraintSet;
}
public ConstraintSet addRecursiveParameterConstraints(RecordPattern recordPattern, TypeInferenceBlockInformation blockInformation){
ConstraintSet constraintSet = new ConstraintSet();
var subPatternList = recordPattern.getSubPattern();
var resolver = new GenericsResolverSameName();
var refType = (RefType) recordPattern.getType();
var allClasses = blockInformation.getAvailableClasses();
var typename = refType.getName().getClassName();
ClassOrInterface allClass = allClasses.stream().filter(c -> c.getClassName().getClassName().equals(typename)).findFirst().orElseThrow();
int counter = 0;
for (Pattern el : subPatternList){
if (el instanceof RecordPattern){
constraintSet.addAll(addRecursiveParameterConstraints((RecordPattern) el, blockInformation));
} else {
FormalParameter param = (FormalParameter) allClass.getConstructors().getFirst().getParameterList().getParameterAt(counter);
FieldAssumption assumption = new FieldAssumption(param.getName(), allClass, param.getType(), blockInformation.getCurrentTypeScope());
var fieldCons = new Pair(el.getType(), assumption.getType(resolver), PairOperator.SMALLERDOT);
var recvCons = new Pair(refType, assumption.getReceiverType(resolver), PairOperator.EQUALSDOT);
constraintSet.addUndConstraint(fieldCons);
constraintSet.addUndConstraint(recvCons);
for (var i = 0; i < refType.getParaList().size(); i++) {
constraintSet.addUndConstraint(new Pair(refType.getParaList().get(i),
((RefType)assumption.getReceiverType(resolver)).getParaList().get(i),
PairOperator.EQUALSDOT));
}
}
counter++;
}
return constraintSet;
} }
private ConstraintSet getConstraintsConstructor(Constructor m, TypeInferenceInformation info, ClassOrInterface currentClass) { private ConstraintSet getConstraintsConstructor(Constructor m, TypeInferenceInformation info, ClassOrInterface currentClass) {

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