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inzterface changes typecheck

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Krauß, Josefine 2024-05-14 11:33:17 +02:00
parent c3a9b9a7d6
commit 87cde5e048
13 changed files with 109 additions and 41 deletions
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71
src/main/java/Compiler.java
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@ -1,9 +1,5 @@
import abstractSyntaxTree.Class.FieldDecl;
import abstractSyntaxTree.Class.MethodDecl;
import abstractSyntaxTree.Class.RefType;
import abstractSyntaxTree.Parameter.ParameterList;
import abstractSyntaxTree.Program;
import abstractSyntaxTree.Statement.BlockStatement;
import gen.DecafLexer;
import gen.DecafParser;
import org.antlr.v4.runtime.CharStream;
@ -12,19 +8,23 @@ import org.antlr.v4.runtime.CommonTokenStream;
import org.antlr.v4.runtime.Token;
import org.antlr.v4.runtime.tree.ParseTree;
import java.util.ArrayList;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
public class Compiler {
public static void main(String[] args) throws Exception{
// get file
// String filePath = "EmptyClass.java";
// String content = new String(Files.readAllBytes(Paths.get(filePath)));
// CharArrayReader charStream = new CharArrayReader(content.toCharArray());
Path filePath = Paths.get("NichtHaskell/src/main/java/Input.java");
CharStream codeCharStream = CharStreams.fromString("class Example { int i; }");
String content = Files.readString(filePath);
System.out.println("--- print content ---");
System.out.println(content);
CharStream codeCharStream = CharStreams.fromString(content);
DecafLexer lexer = new DecafLexer(codeCharStream);
CommonTokenStream tokens = new CommonTokenStream(lexer);
@ -46,41 +46,40 @@ public class Compiler {
ParseTree tree = parser.program();
System.out.println("--- print tree ---");
System.out.println(tree);
ASTGenerator generator = new ASTGenerator();
Program abstractSyntaxTree =(Program) generator.visit(tree);
System.out.println("--- AST generator ---");
System.out.println("Parsed " + abstractSyntaxTree.classes.size() + " classes with names:");
for (RefType refType : abstractSyntaxTree.classes) {
System.out.println(refType.name);
}
List<FieldDecl> fieldDecls = new ArrayList<>();
FieldDecl fieldDecl = new FieldDecl("int", "i");
fieldDecls.add(fieldDecl);
// FieldDecl fieldDecl2 = new FieldDecl("char", "i");
// fieldDecls.add(fieldDecl2);
List<MethodDecl> methodDecls = new ArrayList<>();
MethodDecl methodDecl = new MethodDecl("ClassA", "int", "m", new ParameterList(new ArrayList<>()), new BlockStatement(new ArrayList<>(), "void"));
methodDecls.add(methodDecl);
// MethodDecl methodDecl2 = new MethodDecl("ClassA", "int", "m", new ArrayList<>(), new ArrayList<>());
// methodDecls.add(methodDecl2);
abstractSyntaxTree.classes.add(new RefType("MyClass", fieldDecls, methodDecls, false));
System.out.println("Parsed " + abstractSyntaxTree.classes.size() + " classes with identifiers/names:");
for (RefType refType : abstractSyntaxTree.classes) {
System.out.println(refType.name);
}
//
// List<FieldDecl> fieldDecls = new ArrayList<>();
//
// FieldDecl fieldDecl = new FieldDecl("int", "i");
// fieldDecls.add(fieldDecl);
//
//// FieldDecl fieldDecl2 = new FieldDecl("char", "i");
//// fieldDecls.add(fieldDecl2);
//
// List<MethodDecl> methodDecls = new ArrayList<>();
//
//
// MethodDecl methodDecl = new MethodDecl("ClassA", "int", "m", new ParameterList(new ArrayList<>()), new BlockStatement(new ArrayList<>(), "void"));
// methodDecls.add(methodDecl);
//
//// MethodDecl methodDecl2 = new MethodDecl("ClassA", "int", "m", new ArrayList<>(), new ArrayList<>());
//// methodDecls.add(methodDecl2);
//
// abstractSyntaxTree.classes.add(new RefType("MyClass", fieldDecls, methodDecls, false));
//
// System.out.println("Parsed " + abstractSyntaxTree.classes.size() + " classes with identifiers/names:");
// for (RefType refType : abstractSyntaxTree.classes) {
// System.out.println(refType.name);
// }
abstractSyntaxTree.typeCheck();

1
src/main/java/abstractSyntaxTree/Class/IClass.java
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@ -10,6 +10,7 @@ import java.util.List;
public interface IClass {
// visit method for code generation
void codeGen(ClassWriter cw) throws Exception;
}

3
src/main/java/abstractSyntaxTree/Program.java
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@ -42,7 +42,8 @@ public class Program implements Node {
HashMap<String, List<String>> methodIdentifierAndParameter = new HashMap<>();
HashMap<String, HashMap<String, List<String >>> returnTypeAndMethod = new HashMap<>();
for (MethodDecl methodDecl : oneClass.methodDecls){
methodIdentifierAndParameter.put(methodDecl.name, methodDecl.parameters);
methodIdentifierAndParameter.put(methodDecl.name, (List<String>) methodDecl.parameters);
returnTypeAndMethod.put(methodDecl.returnType, methodIdentifierAndParameter);
}
methodContext.put(oneClass.name, returnTypeAndMethod);

8
src/main/java/abstractSyntaxTree/Statement/BlockStatement.java
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@ -25,6 +25,11 @@ public class BlockStatement extends AbstractType implements IStatement{
return null;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext, HashMap<String, String> localVars) throws Exception {
return null;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext) throws Exception {
TypeCheckResult result = new TypeCheckResult();
@ -35,13 +40,14 @@ public class BlockStatement extends AbstractType implements IStatement{
TypeCheckResult blockType = new TypeCheckResult();
for (IStatement statement : statements) {
TypeCheckResult typeOfCurrentStatement = statement.typeCheck();
TypeCheckResult typeOfCurrentStatement = statement.typeCheck(methodContext, typeContext, localVars);
if (!typeOfCurrentStatement.equals(this.returnType) && !blockType.equals("void")) {
throw new IllegalArgumentException("Block returns type that it should not return");
}
}
// todo check if the block returns the needed return type in every case
// todo ignore unreadchable statements?
return result;
}

9
src/main/java/abstractSyntaxTree/Statement/EmptyStatement.java
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@ -15,9 +15,16 @@ public class EmptyStatement extends AbstractType implements IStatement{
return result;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext, HashMap<String, String> localVars) throws Exception {
return typeCheck(methodContext, typeContext);
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext) throws Exception {
return null;
TypeCheckResult result = new TypeCheckResult();
result.type = "void";
return result;
}
@Override

4
src/main/java/abstractSyntaxTree/Statement/IStatement.java
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@ -13,7 +13,11 @@ public interface IStatement extends Node {
TypeCheckResult typeCheck() throws Exception;
TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext, HashMap<String, String> localVars) throws Exception;
TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext) throws Exception;
void codeGen(MethodVisitor mv, HashMap<String, String> localVars) throws Exception;
}

5
src/main/java/abstractSyntaxTree/Statement/IfElseStatement.java
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@ -40,6 +40,11 @@ public class IfElseStatement extends AbstractType implements IStatement{
return result;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext, HashMap<String, String> localVars) throws Exception {
return null;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext) throws Exception {
return null;

9
src/main/java/abstractSyntaxTree/Statement/IfStatement.java
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@ -24,8 +24,8 @@ public class IfStatement extends AbstractType implements IStatement{
TypeCheckResult conditionType = condition.typeCheck();
if (!conditionType.equals("boolean")) {
throw new IllegalArgumentException("should be boolean");
if (!conditionType.equals("bool")) {
throw new Exception("TypeCheck Exception: Condition of If-Statement should be bool.");
}
TypeCheckResult ifStatementType = ifStatement.typeCheck();
@ -33,6 +33,11 @@ public class IfStatement extends AbstractType implements IStatement{
return result;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext, HashMap<String, String> localVars) throws Exception {
return null;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext) throws Exception {
return null;

5
src/main/java/abstractSyntaxTree/Statement/ReturnStatement.java
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@ -29,6 +29,11 @@ public class ReturnStatement extends AbstractType implements IStatement{
return result;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext, HashMap<String, String> localVars) throws Exception {
return null;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext) throws Exception {
return null;

5
src/main/java/abstractSyntaxTree/Statement/WhileStatement.java
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@ -33,6 +33,11 @@ public class WhileStatement extends AbstractType implements IStatement {
return result;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext, HashMap<String, String> localVars) throws Exception {
return null;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext) throws Exception {
return null;

10
src/main/java/abstractSyntaxTree/StatementExpression/AssignStatementExpression.java
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@ -34,11 +34,21 @@ public class AssignStatementExpression extends AbstractType implements IExpressi
return result;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext, HashMap<String, String> localVars) throws Exception {
return null;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext) throws Exception {
return null;
}
@Override
public void codeGen(MethodVisitor mv, HashMap<String, String> localVars) throws Exception {
}
@Override
public void codeGen(MethodVisitor mv) throws Exception {
left.codeGen(mv);

10
src/main/java/abstractSyntaxTree/StatementExpression/MethodCallStatementExpression.java
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@ -44,11 +44,21 @@ public class MethodCallStatementExpression extends AbstractType implements IExpr
return result;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext, HashMap<String, String> localVars) throws Exception {
return null;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext) throws Exception {
return null;
}
@Override
public void codeGen(MethodVisitor mv, HashMap<String, String> localVars) throws Exception {
}
//Errors occur due to the change in parameter in the RefType class
@Override
public void codeGen(MethodVisitor mv) throws Exception {

10
src/main/java/abstractSyntaxTree/StatementExpression/NewStatementExpression.java
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@ -15,11 +15,21 @@ public class NewStatementExpression extends AbstractType implements IExpression,
return null;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext, HashMap<String, String> localVars) throws Exception {
return null;
}
@Override
public TypeCheckResult typeCheck(HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext, HashMap<String, HashMap<String, String>> typeContext) throws Exception {
return null;
}
@Override
public void codeGen(MethodVisitor mv, HashMap<String, String> localVars) throws Exception {
}
@Override
public void codeGen(MethodVisitor mv) throws Exception {
throw new Exception("CodeGen not implemented for NewStatementExpression");