stan/AntlrAssignment3Template
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404Simon 2024-03-20 14:26:31 +01:00
parent ae22e8ab82
commit d6b4b41d3c
10 changed files with 115 additions and 58 deletions
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2
.idea/.gitignore generated vendored
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@ -6,3 +6,5 @@
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml
# GitHub Copilot persisted chat sessions
/copilot/chatSessions

BIN
.idea/copilot/chatSessions/00000000000.xd generated
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Binary file not shown.

4
.idea/copilot/chatSessions/xd.lck generated
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@ -1,4 +1,4 @@
Private property of Exodus: 36669@Simon-Lenovo-Ubuntu
Private property of Exodus: 41264@Simon-Lenovo-Ubuntu
jetbrains.exodus.io.LockingManager.lock(LockingManager.kt:88)
jetbrains.exodus.io.LockingManager.lock(LockingManager.kt:39)
@ -33,7 +33,7 @@ com.intellij.util.messages.impl.MessageBusImplKt.deliverMessage(MessageBusImpl.k
com.intellij.util.messages.impl.MessageBusImplKt.pumpWaiting(MessageBusImpl.kt:402)
com.intellij.util.messages.impl.MessageBusImplKt.access$pumpWaiting(MessageBusImpl.kt:1)
com.intellij.util.messages.impl.MessagePublisher.invoke(MessageBusImpl.kt:461)
jdk.proxy7/jdk.proxy7.$Proxy158.onCopilotStatus(Unknown Source)
jdk.proxy6/jdk.proxy6.$Proxy166.onCopilotStatus(Unknown Source)
com.github.copilot.status.CopilotStatusService.notifyApplication(CopilotStatusService.java:76)
com.github.copilot.status.CopilotStatusService.notifyApplication(CopilotStatusService.java:64)
com.github.copilot.github.GitHubAuthStartupActivity.handleAuthNotifications(GitHubAuthStartupActivity.java:54)

45
src/main/java/de/dhbw/horb/ASTGenerator.java
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@ -1,47 +1,28 @@
package de.dhbw.horb;
import de.dhbw.horb.antlr.DecafParser;
import de.dhbw.horb.ast.Function;
import de.dhbw.horb.ast.Program;
import de.dhbw.horb.ast.Type;
import de.dhbw.horb.ast.Variable;
import de.dhbw.horb.ast.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
public class ASTGenerator {
public static Program generateAST(DecafParser.ProgramContext parseTree){
List<Variable> variables = new ArrayList<>();
for(DecafParser.VarContext varCtx : parseTree.var()){
variables.add(generateVariable(varCtx));
}
List<Function> funcs = new ArrayList<>();
for(DecafParser.FuncContext fctx : parseTree.func()){
funcs.add(generateFunc(fctx));
}
public static Program generateAST(DecafParser.ProgramContext parseTree) {
List<Variable> variables = parseTree.var().stream().map(var -> new Variable(var.id().getText(), Type.mapType(var.type().getText()))).toList();
List<Function> funcs = parseTree.func().stream().map(ASTGenerator::generateFunc).toList();
return new Program(variables, funcs);
}
public static Variable generateVariable(DecafParser.VarContext ctx) {
return new Variable(ctx.id().getText(), getType(ctx.type()));
}
public static Variable generateVariable(DecafParser.ParamContext ctx) {
return new Variable(ctx.id().getText(), getType(ctx.type()));
}
public static Function generateFunc(DecafParser.FuncContext ctx) {
throw new RuntimeException("TODO");
}
public static Type getType(DecafParser.TypeContext ctx){
if(ctx.INT() != null)
return Type.INT;
if(ctx.BOOL() != null)
return Type.BOOL;
if(ctx.VOID() != null)
return Type.VOID;
throw new RuntimeException();
Type t = Type.mapType(ctx.type().getText());
String id = ctx.id().getText();
List<Variable> params = Optional.ofNullable(ctx.params())
.map(p -> p.param().stream().map(param -> new Variable(param.getText(), Type.mapType(param.type().getText()))).collect(Collectors.toList()))
.orElseGet(ArrayList::new);
Block block = new BlockGenerator().visit(ctx.block());
return new Function(t, id, params, block);
}
}

21
src/main/java/de/dhbw/horb/BlockGenerator.java Normal file
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@ -0,0 +1,21 @@
package de.dhbw.horb;
import de.dhbw.horb.antlr.DecafBaseVisitor;
import de.dhbw.horb.antlr.DecafParser;
import de.dhbw.horb.ast.Block;
import de.dhbw.horb.ast.Statement;
import de.dhbw.horb.ast.Type;
import de.dhbw.horb.ast.Variable;
import java.util.List;
public class BlockGenerator extends DecafBaseVisitor<Block> {
@Override
public Block visitBlock(DecafParser.BlockContext ctx) {
List<Variable> vars = ctx.var().stream().map(var -> new Variable(var.id().getText(), Type.mapType(var.type().getText()))).toList();
List<Statement> stmts = ctx.stmt().stream().map(stmt -> new StatementGenerator().visit(stmt)).toList();
return new Block(vars, stmts);
}
}

21
src/main/java/de/dhbw/horb/StatementGenerator.java
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@ -2,42 +2,47 @@ package de.dhbw.horb;
import de.dhbw.horb.antlr.DecafBaseVisitor;
import de.dhbw.horb.antlr.DecafParser;
import de.dhbw.horb.ast.Statement;
import de.dhbw.horb.ast.*;
import java.util.ArrayList;
public class StatementGenerator extends DecafBaseVisitor<Statement> {
@Override
public Statement visitAssign(DecafParser.AssignContext ctx) {
throw new RuntimeException("TODO");
return new Assignment(new Location(ctx.loc().getText()), new ExpressionGenerator().visit(ctx.expr()));
}
@Override
public Statement visitIf(DecafParser.IfContext ctx) {
throw new RuntimeException("TODO");
Block elseBlock = new Block(new ArrayList<>(), new ArrayList<>());
if (ctx.block().size() > 1)
elseBlock = new BlockGenerator().visit(ctx.block(1));
return new IfElse(new ExpressionGenerator().visit(ctx.expr()), new BlockGenerator().visit(ctx.block(0)), elseBlock);
}
@Override
public Statement visitWhile(DecafParser.WhileContext ctx) {
throw new RuntimeException("TODO");
return new While(new ExpressionGenerator().visit(ctx.expr()), new BlockGenerator().visit(ctx.block()));
}
@Override
public Statement visitReturn(DecafParser.ReturnContext ctx) {
throw new RuntimeException("TODO");
return new Return(new ExpressionGenerator().visit(ctx.expr()));
}
@Override
public Statement visitReturnVoid(DecafParser.ReturnVoidContext ctx) {
throw new RuntimeException("TODO");
return new ReturnVoid();
}
@Override
public Statement visitBreak(DecafParser.BreakContext ctx) {
throw new RuntimeException("TODO");
return new Break();
}
@Override
public Statement visitContinue(DecafParser.ContinueContext ctx) {
throw new RuntimeException("TODO");
return new Continue();
}
}

11
src/main/java/de/dhbw/horb/ast/Type.java
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@ -3,5 +3,14 @@ package de.dhbw.horb.ast;
public enum Type {
INT,
BOOL,
VOID
VOID;
public static Type mapType(String type){
return switch (type) {
case "int" -> Type.INT;
case "bool" -> Type.BOOL;
case "void" -> Type.VOID;
default -> throw new RuntimeException("Unknown type: " + type);
};
}
}

9
src/test/java/de/dhbw/horb/CompilerTest.java
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@ -1,5 +1,6 @@
package de.dhbw.horb;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import de.dhbw.horb.ast.Program;
@ -8,14 +9,12 @@ import org.junit.Test;
/**
* Unit test for simple App.
*/
public class CompilerTest
{
public class CompilerTest {
/**
* Rigorous Test :-)
*/
@Test
public void generateASTTest()
{
public void generateASTTest() {
String inputString = "def int add(int x, int y)\n" +
"{\n" +
"return x + y;\n" +
@ -27,6 +26,6 @@ public class CompilerTest
"return add(a, 2);\n" +
"}";
Program ast = Compiler.generateAST(inputString);
assertTrue( ast.methods().size() == 2 );
assertEquals(2, ast.methods().size());
}
}

5
src/test/java/de/dhbw/horb/ExpressionGeneratorTest.java
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@ -8,6 +8,7 @@ import org.antlr.v4.runtime.CharStreams;
import org.antlr.v4.runtime.CommonTokenStream;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
@ -36,8 +37,8 @@ public class ExpressionGeneratorTest
{
Expression mCall = generateExpression("m(x,y)");
assertTrue(mCall instanceof FunctionCall);
assertTrue(((FunctionCall) mCall).name().equals("m"));
assertTrue(((FunctionCall) mCall).args().size() == 2);
assertEquals("m", ((FunctionCall) mCall).name());
assertEquals(2, ((FunctionCall) mCall).args().size());
}
@Test

55
src/test/java/de/dhbw/horb/StatementGeneratorTest.java
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@ -8,24 +8,63 @@ import org.antlr.v4.runtime.CharStreams;
import org.antlr.v4.runtime.CommonTokenStream;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* Unit test for AST Generation of Expressions.
*/
public class StatementGeneratorTest
{
public class StatementGeneratorTest {
@Test
public void whileTest()
{
public void whileTest() {
Statement whileStmt = generateStatement("while(true){}");
assertTrue(whileStmt instanceof While);
assertTrue( ((While) whileStmt).block().stmts().size() == 0);
assertEquals(0, ((While) whileStmt).block().stmts().size());
}
private Statement generateStatement(String from){
String inputString = from;
CharStream input = CharStreams.fromString(inputString);
@Test
public void whileTest2() {
Statement whileStmt = generateStatement("while(true){int x; x= 3;}");
assertTrue(whileStmt instanceof While);
assertEquals(1, ((While) whileStmt).block().vars().size());
assertEquals(1, ((While) whileStmt).block().stmts().size());
}
@Test
public void ifTest() {
Statement ifStmt = generateStatement("if(true){}");
assertTrue(ifStmt instanceof IfElse);
assertTrue(((IfElse) ifStmt).ifBlock().stmts().isEmpty());
}
@Test
public void ifTest2() {
Statement ifStmt = generateStatement("if(true){bool cool; cool = true;}");
assertTrue(ifStmt instanceof IfElse);
assertEquals(1, ((IfElse) ifStmt).ifBlock().vars().size());
assertEquals(1, ((IfElse) ifStmt).ifBlock().stmts().size());
}
@Test
public void ifElseTest() {
Statement ifElseStmt = generateStatement("if(true){}else{}");
assertTrue(ifElseStmt instanceof IfElse);
assertTrue(((IfElse) ifElseStmt).ifBlock().stmts().isEmpty());
assertTrue(((IfElse) ifElseStmt).elseBlock().stmts().isEmpty());
}
@Test
public void ifElseTest2() {
Statement ifElseStmt = generateStatement("if(true){int x; x = 3;}else{int y; y = 4;}");
assertTrue(ifElseStmt instanceof IfElse);
assertEquals(1, ((IfElse) ifElseStmt).ifBlock().vars().size());
assertEquals(1, ((IfElse) ifElseStmt).ifBlock().stmts().size());
assertEquals(1, ((IfElse) ifElseStmt).elseBlock().vars().size());
assertEquals(1, ((IfElse) ifElseStmt).elseBlock().stmts().size());
}
private Statement generateStatement(String from) {
CharStream input = CharStreams.fromString(from);
DecafLexer lexer = new DecafLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
DecafParser parser = new DecafParser(tokens);