i22006/Compilerbau2024AbsolutNichtHaskell
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generator formatting

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This commit is contained in:
laurenz 2024-05-07 13:02:52 +02:00
parent 535c712421
commit 1ff02f86e8
4 changed files with 54 additions and 55 deletions
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32
src/main/java/de/maishai/ASTGenerator.java
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@ -11,9 +11,9 @@ import java.util.List;
public class ASTGenerator { public class ASTGenerator {
public static Program generateAST(DecafParser.ProgramContext parseTree){ public static Program generateAST(DecafParser.ProgramContext parseTree) {
List<Class> classes = new ArrayList<>(); List<Class> classes = new ArrayList<>();
for(DecafParser.ClassContext cctx : parseTree.class_()){ for (DecafParser.ClassContext cctx : parseTree.class_()) {
classes.add(generateClass(cctx)); classes.add(generateClass(cctx));
} }
return new Program(classes); return new Program(classes);
@ -22,16 +22,16 @@ public class ASTGenerator {
public static Class generateClass(DecafParser.ClassContext ctx) { public static Class generateClass(DecafParser.ClassContext ctx) {
Boolean isPublic = ctx.PUBLIC() != null; Boolean isPublic = ctx.PUBLIC() != null;
List<Field> fields = new ArrayList<>(); List<Field> fields = new ArrayList<>();
if(ctx.field() != null){ if (ctx.field() != null) {
fields = ctx.field().stream().map(ASTGenerator::generateFieldVariable).toList(); fields = ctx.field().stream().map(ASTGenerator::generateFieldVariable).toList();
} }
MainMethod mainMethod = generateMainMethod(ctx.mainmeth()); MainMethod mainMethod = generateMainMethod(ctx.mainmeth());
List<Constructor> constructors = new ArrayList<>(); List<Constructor> constructors = new ArrayList<>();
if(ctx.constructor() != null){ if (ctx.constructor() != null) {
constructors = ctx.constructor().stream().map(ASTGenerator::generateConstructor).toList(); constructors = ctx.constructor().stream().map(ASTGenerator::generateConstructor).toList();
} }
List<Method> meths = new ArrayList<>(); List<Method> meths = new ArrayList<>();
if(ctx.meth() != null){ if (ctx.meth() != null) {
meths = ctx.meth().stream().map(ASTGenerator::generateMethod).toList(); meths = ctx.meth().stream().map(ASTGenerator::generateMethod).toList();
} }
Id classId = new Id(ctx.id().getText()); Id classId = new Id(ctx.id().getText());
@ -51,7 +51,7 @@ public class ASTGenerator {
public static Method generateMethod(DecafParser.MethContext ctx) { public static Method generateMethod(DecafParser.MethContext ctx) {
Boolean isPublic = ctx.PUBLIC() != null; Boolean isPublic = ctx.PUBLIC() != null;
List<Parameter> params = new ArrayList<>(); List<Parameter> params = new ArrayList<>();
if(ctx.params() != null){ if (ctx.params() != null) {
params = ctx.params().param().stream().map(ASTGenerator::generateParameter).toList(); params = ctx.params().param().stream().map(ASTGenerator::generateParameter).toList();
} }
Block block = new BlockGenerator().visit(ctx.block()); Block block = new BlockGenerator().visit(ctx.block());
@ -62,7 +62,7 @@ public class ASTGenerator {
public static Constructor generateConstructor(DecafParser.ConstructorContext ctx) { public static Constructor generateConstructor(DecafParser.ConstructorContext ctx) {
Boolean isPublic = ctx.PUBLIC() != null; Boolean isPublic = ctx.PUBLIC() != null;
List<Parameter> params = new ArrayList<>(); List<Parameter> params = new ArrayList<>();
if(ctx.params() != null){ if (ctx.params() != null) {
params = ctx.params().param().stream().map(ASTGenerator::generateParameter).toList(); params = ctx.params().param().stream().map(ASTGenerator::generateParameter).toList();
} }
Block block = new BlockGenerator().visit(ctx.block()); Block block = new BlockGenerator().visit(ctx.block());
@ -75,24 +75,24 @@ public class ASTGenerator {
return new MainMethod(block); return new MainMethod(block);
} }
public static Type getType(DecafParser.TypeContext ctx){ public static Type getType(DecafParser.TypeContext ctx) {
if(ctx.INT() != null) if (ctx.INT() != null)
return Type.INT; return Type.INT;
if(ctx.BOOL() != null) if (ctx.BOOL() != null)
return Type.BOOL; return Type.BOOL;
if(ctx.CHAR() != null) if (ctx.CHAR() != null)
return Type.CHAR; return Type.CHAR;
throw new RuntimeException(); throw new RuntimeException();
} }
public static ReturnType getReturnType(DecafParser.ReturntypeContext ctx){ public static ReturnType getReturnType(DecafParser.ReturntypeContext ctx) {
if(ctx.type().INT() != null) if (ctx.type().INT() != null)
return ReturnType.INT; return ReturnType.INT;
if(ctx.type().BOOL() != null) if (ctx.type().BOOL() != null)
return ReturnType.BOOL; return ReturnType.BOOL;
if(ctx.type().CHAR() != null) if (ctx.type().CHAR() != null)
return ReturnType.CHAR; return ReturnType.CHAR;
if(ctx.VOID() != null) if (ctx.VOID() != null)
return ReturnType.VOID; return ReturnType.VOID;
throw new RuntimeException(); throw new RuntimeException();
} }

5
src/main/java/de/maishai/Compiler.java
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@ -10,10 +10,9 @@ import org.antlr.v4.runtime.CommonTokenStream;
/** /**
* Decaf language Compiler * Decaf language Compiler
*/ */
public class Compiler public class Compiler {
{
public static Program generateAST(String fromSource){ public static Program generateAST(String fromSource) {
CharStream input = CharStreams.fromString(fromSource); CharStream input = CharStreams.fromString(fromSource);
DecafLexer lexer = new DecafLexer(input); DecafLexer lexer = new DecafLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer); CommonTokenStream tokens = new CommonTokenStream(lexer);

54
src/main/java/de/maishai/ExpressionGenerator.java
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@ -20,10 +20,10 @@ public class ExpressionGenerator extends DecafBaseVisitor<Expression> {
@Override @Override
public Expression visitUnaryOperation(DecafParser.UnaryOperationContext ctx) { public Expression visitUnaryOperation(DecafParser.UnaryOperationContext ctx) {
Expression expr = this.visit(ctx.expr()); Expression expr = this.visit(ctx.expr());
if(ctx.unaryOp().NOT() != null){ if (ctx.unaryOp().NOT() != null) {
return new Unary(UnaryOperator.NOT, expr); return new Unary(UnaryOperator.NOT, expr);
} }
if(ctx.unaryOp().SUB() != null){ if (ctx.unaryOp().SUB() != null) {
return new Unary(UnaryOperator.SUB, expr); return new Unary(UnaryOperator.SUB, expr);
} }
throw new RuntimeException(); throw new RuntimeException();
@ -42,45 +42,45 @@ public class ExpressionGenerator extends DecafBaseVisitor<Expression> {
} }
@Override @Override
public Expression visitIdentifier(DecafParser.IdentifierContext ctx){ public Expression visitIdentifier(DecafParser.IdentifierContext ctx) {
boolean isField = ctx.fieldId().THIS() != null; boolean isField = ctx.fieldId().THIS() != null;
Expression recipient = null; Expression recipient = null;
if(ctx.fieldId().recipient() != null){ if (ctx.fieldId().recipient() != null) {
List<DecafParser.RecipientContext> recipientList = ctx.fieldId().recipient(); List<DecafParser.RecipientContext> recipientList = ctx.fieldId().recipient();
recipient = generateRecipient(recipientList, null); recipient = generateRecipient(recipientList, null);
} }
return new FieldId(isField, recipient, new Id(ctx.getText())); return new FieldId(isField, recipient, new Id(ctx.getText()));
} }
public static Expression generateConstant(DecafParser.LiteralContext ctx){ public static Expression generateConstant(DecafParser.LiteralContext ctx) {
if(ctx.NUMBER() != null) if (ctx.NUMBER() != null)
return new IntLiteral(Integer.valueOf(ctx.NUMBER().getText())); return new IntLiteral(Integer.valueOf(ctx.NUMBER().getText()));
if(ctx.BOOLEANLITERAL() != null) if (ctx.BOOLEANLITERAL() != null)
return new BoolLiteral(Boolean.valueOf(ctx.BOOLEANLITERAL().getText())); return new BoolLiteral(Boolean.valueOf(ctx.BOOLEANLITERAL().getText()));
if(ctx.CHARLITERAL() != null) if (ctx.CHARLITERAL() != null)
return new CharLiteral(ctx.CHARLITERAL().getText().charAt(0)); return new CharLiteral(ctx.CHARLITERAL().getText().charAt(0));
throw new RuntimeException(); throw new RuntimeException();
} }
public static Binary generateBinary(DecafParser.BinaryOperationContext ctx){ public static Binary generateBinary(DecafParser.BinaryOperationContext ctx) {
ExpressionGenerator eGen = new ExpressionGenerator(); ExpressionGenerator eGen = new ExpressionGenerator();
return new Binary(eGen.visit(ctx.expr().get(0)) // left side return new Binary(eGen.visit(ctx.expr().get(0)) // left side
, generateOperator(ctx.binaryOp()) //operator , generateOperator(ctx.binaryOp()) //operator
, eGen.visit(ctx.expr().get(1))); //right side , eGen.visit(ctx.expr().get(1))); //right side
} }
public static Operator generateOperator(DecafParser.BinaryOpContext ctx){ public static Operator generateOperator(DecafParser.BinaryOpContext ctx) {
if(ctx.ADD() != null)return Operator.ADD; if (ctx.ADD() != null) return Operator.ADD;
if(ctx.SUB() != null)return Operator.SUB; if (ctx.SUB() != null) return Operator.SUB;
if(ctx.MUL() != null)return Operator.MUL; if (ctx.MUL() != null) return Operator.MUL;
if(ctx.GT() != null)return Operator.GT; if (ctx.GT() != null) return Operator.GT;
if(ctx.LT() != null)return Operator.LT; if (ctx.LT() != null) return Operator.LT;
if(ctx.GE() != null)return Operator.GE; if (ctx.GE() != null) return Operator.GE;
if(ctx.LE() != null)return Operator.LE; if (ctx.LE() != null) return Operator.LE;
if(ctx.EQ() != null)return Operator.EQ; if (ctx.EQ() != null) return Operator.EQ;
if(ctx.NE() != null)return Operator.NE; if (ctx.NE() != null) return Operator.NE;
if(ctx.AND() != null)return Operator.AND; if (ctx.AND() != null) return Operator.AND;
if(ctx.OR() != null)return Operator.OR; if (ctx.OR() != null) return Operator.OR;
throw new RuntimeException(); throw new RuntimeException();
} }
@ -88,13 +88,13 @@ public class ExpressionGenerator extends DecafBaseVisitor<Expression> {
public Expression visitMethodCall(DecafParser.MethodCallContext ctx) { public Expression visitMethodCall(DecafParser.MethodCallContext ctx) {
boolean isField = ctx.methCall().THIS() != null; boolean isField = ctx.methCall().THIS() != null;
Expression recipient = null; Expression recipient = null;
if(ctx.methCall().recipient() != null){ if (ctx.methCall().recipient() != null) {
List<DecafParser.RecipientContext> recipientList = ctx.methCall().recipient(); List<DecafParser.RecipientContext> recipientList = ctx.methCall().recipient();
recipient = generateRecipient(recipientList, null); recipient = generateRecipient(recipientList, null);
} }
Id id = new Id(ctx.methCall().methName().id().getText()); Id id = new Id(ctx.methCall().methName().id().getText());
List<Expression> args = new ArrayList<>(); List<Expression> args = new ArrayList<>();
for(var expr : ctx.methCall().methName().args().expr()){ for (var expr : ctx.methCall().methName().args().expr()) {
Expression astExpr = expr.accept(this); Expression astExpr = expr.accept(this);
args.add(astExpr); args.add(astExpr);
} }
@ -105,22 +105,22 @@ public class ExpressionGenerator extends DecafBaseVisitor<Expression> {
public Expression visitNew(DecafParser.NewContext ctx) { public Expression visitNew(DecafParser.NewContext ctx) {
Type type = ASTGenerator.getType(ctx.type()); Type type = ASTGenerator.getType(ctx.type());
List<Expression> args = new ArrayList<>(); List<Expression> args = new ArrayList<>();
for(var expr : ctx.args().expr()){ for (var expr : ctx.args().expr()) {
Expression astExpr = expr.accept(this); Expression astExpr = expr.accept(this);
args.add(astExpr); args.add(astExpr);
} }
return new New(type, args); return new New(type, args);
} }
public static Expression generateRecipient(List<DecafParser.RecipientContext> ctxList, Expression recipient){ public static Expression generateRecipient(List<DecafParser.RecipientContext> ctxList, Expression recipient) {
if(ctxList.isEmpty()){ if (ctxList.isEmpty()) {
return recipient; return recipient;
} }
DecafParser.RecipientContext ctx = ctxList.get(0); DecafParser.RecipientContext ctx = ctxList.get(0);
ctxList.remove(0); ctxList.remove(0);
Id id = new Id(ctx.methName().id().getText()); Id id = new Id(ctx.methName().id().getText());
List<Expression> args = new ArrayList<>(); List<Expression> args = new ArrayList<>();
for(var expr : ctx.methName().args().expr()){ for (var expr : ctx.methName().args().expr()) {
Expression astExpr = expr.accept(new ExpressionGenerator()); Expression astExpr = expr.accept(new ExpressionGenerator());
args.add(astExpr); args.add(astExpr);
} }

18
src/main/java/de/maishai/StatementGenerator.java
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@ -16,7 +16,7 @@ public class StatementGenerator extends DecafBaseVisitor<Statement> {
public Statement visitIf(DecafParser.IfContext ctx) { public Statement visitIf(DecafParser.IfContext ctx) {
Expression expr = new ExpressionGenerator().visit(ctx.expr()); Expression expr = new ExpressionGenerator().visit(ctx.expr());
Block ifBlock = new BlockGenerator().visit(ctx.block(0)); Block ifBlock = new BlockGenerator().visit(ctx.block(0));
if(ctx.block().size() == 2){ if (ctx.block().size() == 2) {
Block elseBlock = new BlockGenerator().visit(ctx.block(1)); Block elseBlock = new BlockGenerator().visit(ctx.block(1));
return new IfElse(expr, ifBlock, elseBlock); return new IfElse(expr, ifBlock, elseBlock);
} }
@ -79,13 +79,13 @@ public class StatementGenerator extends DecafBaseVisitor<Statement> {
public Statement visitMethodCall(DecafParser.MethodCallContext ctx) { public Statement visitMethodCall(DecafParser.MethodCallContext ctx) {
boolean isField = ctx.methCall().THIS() != null; boolean isField = ctx.methCall().THIS() != null;
Expression recipient = null; Expression recipient = null;
if(ctx.methCall().recipient() != null){ if (ctx.methCall().recipient() != null) {
List<DecafParser.RecipientContext> recipientList = ctx.methCall().recipient(); List<DecafParser.RecipientContext> recipientList = ctx.methCall().recipient();
recipient = ExpressionGenerator.generateRecipient(recipientList, null); recipient = ExpressionGenerator.generateRecipient(recipientList, null);
} }
Id id = new Id(ctx.methCall().methName().id().getText()); Id id = new Id(ctx.methCall().methName().id().getText());
List<Expression> args = new ArrayList<>(); List<Expression> args = new ArrayList<>();
for(var expr : ctx.methCall().methName().args().expr()){ for (var expr : ctx.methCall().methName().args().expr()) {
Expression astExpr = expr.accept(new ExpressionGenerator()); Expression astExpr = expr.accept(new ExpressionGenerator());
args.add(astExpr); args.add(astExpr);
} }
@ -96,21 +96,21 @@ public class StatementGenerator extends DecafBaseVisitor<Statement> {
public Statement visitNew(DecafParser.NewContext ctx) { public Statement visitNew(DecafParser.NewContext ctx) {
Type type = ASTGenerator.getType(ctx.type()); Type type = ASTGenerator.getType(ctx.type());
List<Expression> args = new ArrayList<>(); List<Expression> args = new ArrayList<>();
for(var expr : ctx.args().expr()){ for (var expr : ctx.args().expr()) {
Expression astExpr = expr.accept(new ExpressionGenerator()); Expression astExpr = expr.accept(new ExpressionGenerator());
args.add(astExpr); args.add(astExpr);
} }
return new New(type, args); return new New(type, args);
} }
public static AssignSign getAssignSign(DecafParser.AssignSignContext ctx){ public static AssignSign getAssignSign(DecafParser.AssignSignContext ctx) {
if(ctx.ASSIGN() != null) if (ctx.ASSIGN() != null)
return AssignSign.ASSIGN; return AssignSign.ASSIGN;
if(ctx.ADD_ASSIGN() != null) if (ctx.ADD_ASSIGN() != null)
return AssignSign.ADD_ASSIGN; return AssignSign.ADD_ASSIGN;
if(ctx.SUB_ASSIGN() != null) if (ctx.SUB_ASSIGN() != null)
return AssignSign.SUB_ASSIGN; return AssignSign.SUB_ASSIGN;
if(ctx.MUL_ASSIGN() != null) if (ctx.MUL_ASSIGN() != null)
return AssignSign.MUL_ASSIGN; return AssignSign.MUL_ASSIGN;
throw new RuntimeException(); throw new RuntimeException();
} }