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Fix for #1013: retain property semantic for method expression
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147 changes: 147 additions & 0 deletions
147
...codehaus.groovy25/src/org/codehaus/groovy/classgen/asm/sc/StaticPropertyAccessHelper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.codehaus.groovy.classgen.asm.sc; | ||
|
|
||
| import org.codehaus.groovy.ast.GroovyCodeVisitor; | ||
| import org.codehaus.groovy.ast.MethodNode; | ||
| import org.codehaus.groovy.ast.expr.ConstantExpression; | ||
| import org.codehaus.groovy.ast.expr.Expression; | ||
| import org.codehaus.groovy.ast.expr.ExpressionTransformer; | ||
| import org.codehaus.groovy.ast.expr.MethodCallExpression; | ||
| import org.codehaus.groovy.classgen.AsmClassGenerator; | ||
| import org.codehaus.groovy.transform.sc.ListOfExpressionsExpression; | ||
| import org.codehaus.groovy.transform.sc.TemporaryVariableExpression; | ||
|
|
||
| import java.util.Arrays; | ||
|
|
||
| import static java.beans.Introspector.decapitalize; | ||
|
|
||
| /** | ||
| * Facilitates the generation of statically-compiled bytecode for property access. | ||
| * | ||
| * @since 2.4.0 | ||
| */ | ||
| public abstract class StaticPropertyAccessHelper { | ||
|
|
||
| public static Expression transformToSetterCall( | ||
| Expression receiver, | ||
| MethodNode setterMethod, | ||
| final Expression arguments, | ||
| boolean implicitThis, | ||
| boolean safe, | ||
| boolean spreadSafe, | ||
| boolean requiresReturnValue, | ||
| Expression location) { | ||
| if (requiresReturnValue) { | ||
| TemporaryVariableExpression tmp = new TemporaryVariableExpression(arguments); | ||
| PoppingMethodCallExpression call = new PoppingMethodCallExpression(receiver, setterMethod, tmp); | ||
| call.setImplicitThis(implicitThis); | ||
| call.setSafe(safe); | ||
| call.setSpreadSafe(spreadSafe); | ||
| call.setSourcePosition(location); | ||
| PoppingListOfExpressionsExpression result = new PoppingListOfExpressionsExpression(tmp, call); | ||
| result.setSourcePosition(location); | ||
| return result; | ||
| } else { | ||
| MethodCallExpression call = new MethodCallExpression( | ||
| receiver, | ||
| setterMethod.getName(), | ||
| arguments | ||
| ); | ||
| call.setImplicitThis(implicitThis); | ||
| call.setSafe(safe); | ||
| call.setSpreadSafe(spreadSafe); | ||
| call.setMethodTarget(setterMethod); | ||
| call.setSourcePosition(location); | ||
| return call; | ||
| } | ||
| } | ||
|
|
||
| private static class PoppingListOfExpressionsExpression extends ListOfExpressionsExpression { | ||
| private final TemporaryVariableExpression tmp; | ||
| private final PoppingMethodCallExpression call; | ||
|
|
||
| public PoppingListOfExpressionsExpression(final TemporaryVariableExpression tmp, final PoppingMethodCallExpression call) { | ||
| super(Arrays.asList( | ||
| tmp, | ||
| call | ||
| )); | ||
| this.tmp = tmp; | ||
| this.call = call; | ||
| } | ||
|
|
||
| @Override | ||
| public Expression transformExpression(final ExpressionTransformer transformer) { | ||
| PoppingMethodCallExpression tcall = (PoppingMethodCallExpression) call.transformExpression(transformer); | ||
| return new PoppingListOfExpressionsExpression(tcall.tmp, tcall); | ||
| } | ||
|
|
||
| @Override | ||
| public void visit(final GroovyCodeVisitor visitor) { | ||
| super.visit(visitor); | ||
| if (visitor instanceof AsmClassGenerator) { | ||
| tmp.remove(((AsmClassGenerator) visitor).getController()); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private static class PoppingMethodCallExpression extends MethodCallExpression { | ||
| private final Expression receiver; | ||
| private final MethodNode setter; | ||
| private final TemporaryVariableExpression tmp; | ||
|
|
||
| public PoppingMethodCallExpression(final Expression receiver, final MethodNode setterMethod, final TemporaryVariableExpression tmp) { | ||
| /* GRECLIPSE edit | ||
| super(receiver, setterMethod.getName(), tmp); | ||
| */ | ||
| super(receiver, new ConstantExpression(setterMethod.getName()) { | ||
| @Override | ||
| public String getText() { | ||
| // retaian property semantic for method expression | ||
| return decapitalize(super.getText().substring(3)); | ||
| } | ||
| }, tmp); | ||
| // GRECLIPSE end | ||
| this.receiver = receiver; | ||
| this.setter = setterMethod; | ||
| this.tmp = tmp; | ||
| setMethodTarget(setterMethod); | ||
| } | ||
|
|
||
| @Override | ||
| public Expression transformExpression(final ExpressionTransformer transformer) { | ||
| PoppingMethodCallExpression trn = new PoppingMethodCallExpression(receiver.transformExpression(transformer), setter, (TemporaryVariableExpression) tmp.transformExpression(transformer)); | ||
| trn.copyNodeMetaData(this); | ||
| trn.setSourcePosition(this); | ||
| trn.setImplicitThis(isImplicitThis()); | ||
| trn.setSafe(isSafe()); | ||
| trn.setSpreadSafe(isSpreadSafe()); | ||
| return trn; | ||
| } | ||
|
|
||
| @Override | ||
| public void visit(final GroovyCodeVisitor visitor) { | ||
| super.visit(visitor); | ||
| if (visitor instanceof AsmClassGenerator) { | ||
| // ignore the return of the call | ||
| ((AsmClassGenerator) visitor).getController().getOperandStack().pop(); | ||
| } | ||
| } | ||
| } | ||
| } |
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147 changes: 147 additions & 0 deletions
147
...codehaus.groovy30/src/org/codehaus/groovy/classgen/asm/sc/StaticPropertyAccessHelper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.codehaus.groovy.classgen.asm.sc; | ||
|
|
||
| import org.codehaus.groovy.ast.GroovyCodeVisitor; | ||
| import org.codehaus.groovy.ast.MethodNode; | ||
| import org.codehaus.groovy.ast.expr.ConstantExpression; | ||
| import org.codehaus.groovy.ast.expr.Expression; | ||
| import org.codehaus.groovy.ast.expr.ExpressionTransformer; | ||
| import org.codehaus.groovy.ast.expr.MethodCallExpression; | ||
| import org.codehaus.groovy.classgen.AsmClassGenerator; | ||
| import org.codehaus.groovy.transform.sc.ListOfExpressionsExpression; | ||
| import org.codehaus.groovy.transform.sc.TemporaryVariableExpression; | ||
|
|
||
| import java.util.Arrays; | ||
|
|
||
| import static java.beans.Introspector.decapitalize; | ||
|
|
||
| /** | ||
| * Facilitates the generation of statically-compiled bytecode for property access. | ||
| * | ||
| * @since 2.4.0 | ||
| */ | ||
| public abstract class StaticPropertyAccessHelper { | ||
|
|
||
| public static Expression transformToSetterCall( | ||
| Expression receiver, | ||
| MethodNode setterMethod, | ||
| final Expression arguments, | ||
| boolean implicitThis, | ||
| boolean safe, | ||
| boolean spreadSafe, | ||
| boolean requiresReturnValue, | ||
| Expression location) { | ||
| if (requiresReturnValue) { | ||
| TemporaryVariableExpression tmp = new TemporaryVariableExpression(arguments); | ||
| PoppingMethodCallExpression call = new PoppingMethodCallExpression(receiver, setterMethod, tmp); | ||
| call.setImplicitThis(implicitThis); | ||
| call.setSafe(safe); | ||
| call.setSpreadSafe(spreadSafe); | ||
| call.setSourcePosition(location); | ||
| PoppingListOfExpressionsExpression result = new PoppingListOfExpressionsExpression(tmp, call); | ||
| result.setSourcePosition(location); | ||
| return result; | ||
| } else { | ||
| MethodCallExpression call = new MethodCallExpression( | ||
| receiver, | ||
| setterMethod.getName(), | ||
| arguments | ||
| ); | ||
| call.setImplicitThis(implicitThis); | ||
| call.setSafe(safe); | ||
| call.setSpreadSafe(spreadSafe); | ||
| call.setMethodTarget(setterMethod); | ||
| call.setSourcePosition(location); | ||
| return call; | ||
| } | ||
| } | ||
|
|
||
| private static class PoppingListOfExpressionsExpression extends ListOfExpressionsExpression { | ||
| private final TemporaryVariableExpression tmp; | ||
| private final PoppingMethodCallExpression call; | ||
|
|
||
| public PoppingListOfExpressionsExpression(final TemporaryVariableExpression tmp, final PoppingMethodCallExpression call) { | ||
| super(Arrays.asList( | ||
| tmp, | ||
| call | ||
| )); | ||
| this.tmp = tmp; | ||
| this.call = call; | ||
| } | ||
|
|
||
| @Override | ||
| public Expression transformExpression(final ExpressionTransformer transformer) { | ||
| PoppingMethodCallExpression tcall = (PoppingMethodCallExpression) call.transformExpression(transformer); | ||
| return new PoppingListOfExpressionsExpression(tcall.tmp, tcall); | ||
| } | ||
|
|
||
| @Override | ||
| public void visit(final GroovyCodeVisitor visitor) { | ||
| super.visit(visitor); | ||
| if (visitor instanceof AsmClassGenerator) { | ||
| tmp.remove(((AsmClassGenerator) visitor).getController()); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private static class PoppingMethodCallExpression extends MethodCallExpression { | ||
| private final Expression receiver; | ||
| private final MethodNode setter; | ||
| private final TemporaryVariableExpression tmp; | ||
|
|
||
| public PoppingMethodCallExpression(final Expression receiver, final MethodNode setterMethod, final TemporaryVariableExpression tmp) { | ||
| /* GRECLIPSE edit | ||
| super(receiver, setterMethod.getName(), tmp); | ||
| */ | ||
| super(receiver, new ConstantExpression(setterMethod.getName()) { | ||
| @Override | ||
| public String getText() { | ||
| // retaian property semantic for method expression | ||
| return decapitalize(super.getText().substring(3)); | ||
| } | ||
| }, tmp); | ||
| // GRECLIPSE end | ||
| this.receiver = receiver; | ||
| this.setter = setterMethod; | ||
| this.tmp = tmp; | ||
| setMethodTarget(setterMethod); | ||
| } | ||
|
|
||
| @Override | ||
| public Expression transformExpression(final ExpressionTransformer transformer) { | ||
| PoppingMethodCallExpression trn = new PoppingMethodCallExpression(receiver.transformExpression(transformer), setter, (TemporaryVariableExpression) tmp.transformExpression(transformer)); | ||
| trn.copyNodeMetaData(this); | ||
| trn.setSourcePosition(this); | ||
| trn.setImplicitThis(isImplicitThis()); | ||
| trn.setSafe(isSafe()); | ||
| trn.setSpreadSafe(isSpreadSafe()); | ||
| return trn; | ||
| } | ||
|
|
||
| @Override | ||
| public void visit(final GroovyCodeVisitor visitor) { | ||
| super.visit(visitor); | ||
| if (visitor instanceof AsmClassGenerator) { | ||
| // ignore the return of the call | ||
| ((AsmClassGenerator) visitor).getController().getOperandStack().pop(); | ||
| } | ||
| } | ||
| } | ||
| } |
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