Assign ändern. Es gibt jetzt eine AssignLeftSide

This commit is contained in:
JanUlrich 2017-08-23 18:28:26 +02:00
parent 9a7e717c25
commit 77c59de0f0
12 changed files with 135 additions and 26 deletions

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@ -0,0 +1,20 @@
package de.dhbwstuttgart.parser.SyntaxTreeGenerator;
import de.dhbwstuttgart.syntaxtree.StatementVisitor;
import de.dhbwstuttgart.syntaxtree.statement.AssignLeftSide;
import de.dhbwstuttgart.syntaxtree.statement.Expression;
import de.dhbwstuttgart.syntaxtree.statement.LocalVar;
public class AssignToLocal extends AssignLeftSide {
public final LocalVar localVar;
public AssignToLocal(LocalVar leftSide) {
super(leftSide.getType(), leftSide.getOffset());
localVar = leftSide;
}
@Override
public void accept(StatementVisitor visitor) {
visitor.visit(this);
}
}

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@ -288,12 +288,15 @@ public class StatementGenerator {
}
private Statement convert(Java8Parser.AssignmentContext stmt) {
Expression leftHandSide = convert(stmt.leftHandSide());
AssignLeftSide leftHandSide = convert(stmt.leftHandSide());
return new Assign(leftHandSide, convert(stmt.expression()), stmt.getStart());
}
private Expression convert(Java8Parser.LeftHandSideContext leftHandSide) {
return generateLocalOrFieldVarOrClassName(leftHandSide.getText(), leftHandSide.getStart());
private AssignLeftSide convert(Java8Parser.LeftHandSideContext leftHandSide) {
Expression leftSide = generateLocalOrFieldVarOrClassName(leftHandSide.getText(), leftHandSide.getStart());
if(leftSide instanceof FieldVar)return new AssignToField((FieldVar) leftSide);
else if (leftSide instanceof LocalVar)return new AssignToLocal((LocalVar) leftSide);
else throw new NotImplementedException();
}
private Statement convert(Java8Parser.IfThenStatementContext stmt){
@ -412,7 +415,8 @@ public class StatementGenerator {
}else{
initValue = convert(varDecl.variableInitializer().expression());
}
ret.add(new Assign(new LocalVar(name.getText(), type, name.getSymbol()), initValue, name.getSymbol()));
ret.add(new Assign(new AssignToLocal(new LocalVar(name.getText(), type, name.getSymbol()))
, initValue, name.getSymbol()));
}
}
return ret;
@ -426,9 +430,9 @@ public class StatementGenerator {
}else{
initValue = convert(varDecl.variableInitializer().expression());
}
return (new Assign(
return (new Assign(new AssignToField(
new FieldVar(new This(varDecl.getStart()), name.getText(),
new Void(varDecl.getStart()), varDecl.getStart()),
new Void(varDecl.getStart()), varDecl.getStart())),
initValue, name.getSymbol()));
}

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@ -1,5 +1,7 @@
package de.dhbwstuttgart.syntaxtree;
import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
import de.dhbwstuttgart.syntaxtree.statement.*;
import de.dhbwstuttgart.syntaxtree.statement.literal.Literal;
import de.dhbwstuttgart.syntaxtree.statement.literal.Null;
@ -250,4 +252,14 @@ public abstract class AbstractASTWalker implements ASTVisitor{
public void visit(Literal literal) {
}
@Override
public void visit(AssignToField assignLeftSide) {
assignLeftSide.field.accept(this);
}
@Override
public void visit(AssignToLocal assignLeftSide) {
assignLeftSide.localVar.accept(this);
}
}

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@ -1,5 +1,6 @@
package de.dhbwstuttgart.syntaxtree;
import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
import de.dhbwstuttgart.syntaxtree.statement.*;
import de.dhbwstuttgart.syntaxtree.statement.literal.Literal;
import de.dhbwstuttgart.syntaxtree.statement.literal.Null;
@ -58,4 +59,8 @@ public interface StatementVisitor {
void visit(Null aNull);
void visit(Literal literal);
void visit(AssignToField assignLeftSide);
void visit(AssignToLocal assignLeftSide);
}

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@ -8,13 +8,16 @@ import de.dhbwstuttgart.typeinference.constraints.ConstraintsFactory;
import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
import org.antlr.v4.runtime.Token;
/*
Aufbau:
rightSide = leftSide
*/
public class Assign extends Statement
{
public final Expression rightSide;
public final Expression lefSide;
public final AssignLeftSide lefSide;
public Assign(Expression leftHandSide, Expression value, Token offset) {
public Assign(AssignLeftSide leftHandSide, Expression value, Token offset) {
super(leftHandSide.getType(), offset);
this.rightSide = value;
this.lefSide = leftHandSide;

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@ -0,0 +1,12 @@
package de.dhbwstuttgart.syntaxtree.statement;
import de.dhbwstuttgart.syntaxtree.StatementVisitor;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import org.antlr.v4.runtime.Token;
public abstract class AssignLeftSide extends TypableStatement{
public AssignLeftSide(RefTypeOrTPHOrWildcardOrGeneric type, Token offset) {
super(type, offset);
}
}

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@ -0,0 +1,16 @@
package de.dhbwstuttgart.syntaxtree.statement;
import de.dhbwstuttgart.syntaxtree.StatementVisitor;
public class AssignToField extends AssignLeftSide{
public final FieldVar field;
public AssignToField(FieldVar fieldVar) {
super(fieldVar.getType(), fieldVar.getOffset());
field = fieldVar;
}
@Override
public void accept(StatementVisitor visitor) {
visitor.visit(this);
}
}

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@ -9,24 +9,9 @@ import de.dhbwstuttgart.typeinference.assumptions.TypeInferenceBlockInformation;
import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
import org.antlr.v4.runtime.Token;
public abstract class Expression extends SyntaxTreeNode
public abstract class Expression extends TypableStatement
{
private RefTypeOrTPHOrWildcardOrGeneric type;
public Expression(RefTypeOrTPHOrWildcardOrGeneric type, Token offset){
super(offset);
if(type == null)throw new NullPointerException();
this.type = type;
}
public RefTypeOrTPHOrWildcardOrGeneric getType(){
return type;
}
public abstract void accept(StatementVisitor visitor);
@Override
public void accept(ASTVisitor visitor) {
this.accept((StatementVisitor)visitor);
super(type, offset);
}
}

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@ -0,0 +1,28 @@
package de.dhbwstuttgart.syntaxtree.statement;
import de.dhbwstuttgart.syntaxtree.ASTVisitor;
import de.dhbwstuttgart.syntaxtree.StatementVisitor;
import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import org.antlr.v4.runtime.Token;
public abstract class TypableStatement extends SyntaxTreeNode{
private RefTypeOrTPHOrWildcardOrGeneric type;
public TypableStatement(RefTypeOrTPHOrWildcardOrGeneric type, Token offset){
super(offset);
if(type == null)throw new NullPointerException();
this.type = type;
}
public RefTypeOrTPHOrWildcardOrGeneric getType(){
return type;
}
public abstract void accept(StatementVisitor visitor);
@Override
public void accept(ASTVisitor visitor) {
this.accept((StatementVisitor)visitor);
}
}

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@ -1,6 +1,7 @@
package de.dhbwstuttgart.syntaxtree.visual;
import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
import de.dhbwstuttgart.syntaxtree.*;
import de.dhbwstuttgart.syntaxtree.statement.*;
import de.dhbwstuttgart.syntaxtree.statement.literal.Literal;
@ -330,4 +331,14 @@ public class OutputGenerator implements ASTVisitor {
public void visit(Literal literal) {
}
@Override
public void visit(AssignToField assignLeftSide) {
assignLeftSide.field.accept(this);
}
@Override
public void visit(AssignToLocal assignLeftSide) {
assignLeftSide.localVar.accept(this);
}
}

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@ -1,6 +1,7 @@
package de.dhbwstuttgart.typedeployment;
import de.dhbwstuttgart.syntaxtree.*;
import de.dhbwstuttgart.syntaxtree.statement.AssignLeftSide;
import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.typeinference.ResultSet;
@ -27,6 +28,7 @@ public class TypeInsertPlacer extends AbstractASTWalker{
this.inserts.addAll(cl.inserts);
}
/*
List<TypeInsert> ret = new ArrayList<>();

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@ -4,6 +4,7 @@ package de.dhbwstuttgart.typeinference.typeAlgo;
import de.dhbwstuttgart.exceptions.NotImplementedException;
import de.dhbwstuttgart.exceptions.TypeinferenceException;
import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
import de.dhbwstuttgart.syntaxtree.*;
import de.dhbwstuttgart.syntaxtree.statement.*;
import de.dhbwstuttgart.syntaxtree.statement.literal.Literal;
@ -219,6 +220,16 @@ public class TYPE implements StatementVisitor{
throw new NotImplementedException();
}
@Override
public void visit(AssignToField assignLeftSide) {
//Hier ist kein Code nötig. Es werden keine extra Constraints generiert
}
@Override
public void visit(AssignToLocal assignLeftSide) {
//Hier ist kein Code nötig. Es werden keine extra Constraints generiert
}
/*
METHOD CALL Section:
*/