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79 changes: 79 additions & 0 deletions
79
...g.codehaus.groovy25/src/org/codehaus/groovy/transform/sc/TemporaryVariableExpression.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| * 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.transform.sc; | ||
|
|
||
| import org.codehaus.groovy.ast.ClassNode; | ||
| import org.codehaus.groovy.ast.GroovyCodeVisitor; | ||
| import org.codehaus.groovy.ast.expr.Expression; | ||
| import org.codehaus.groovy.ast.expr.ExpressionTransformer; | ||
| import org.codehaus.groovy.classgen.AsmClassGenerator; | ||
| import org.codehaus.groovy.classgen.asm.ExpressionAsVariableSlot; | ||
| import org.codehaus.groovy.classgen.asm.WriterController; | ||
|
|
||
| import static org.codehaus.groovy.transform.stc.StaticTypesMarker.INFERRED_TYPE; | ||
|
|
||
| /** | ||
| * A front-end class for {@link org.codehaus.groovy.classgen.asm.ExpressionAsVariableSlot} which | ||
| * allows defining temporary variables loaded from variable slots directly at the AST level, | ||
| * without any knowledge of {@link org.codehaus.groovy.classgen.AsmClassGenerator}. | ||
| * | ||
| * @since 2.4.0 | ||
| */ | ||
| public class TemporaryVariableExpression extends Expression { | ||
|
|
||
| private final Expression expression; | ||
|
|
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| private ExpressionAsVariableSlot[] variable = {null}; | ||
|
|
||
| public TemporaryVariableExpression(final Expression expression) { | ||
| this.expression = expression; | ||
| putNodeMetaData(INFERRED_TYPE, expression.getNodeMetaData(INFERRED_TYPE)); | ||
| } | ||
|
|
||
| @Override | ||
| public Expression transformExpression(final ExpressionTransformer transformer) { | ||
| TemporaryVariableExpression result = new TemporaryVariableExpression(transformer.transform(expression)); | ||
| result.copyNodeMetaData(this); | ||
| result.variable = variable; | ||
| return result; | ||
| } | ||
|
|
||
| @Override | ||
| public void visit(final GroovyCodeVisitor visitor) { | ||
| if (visitor instanceof AsmClassGenerator) { | ||
| if (variable[0] == null) { | ||
| WriterController controller = ((AsmClassGenerator) visitor).getController(); | ||
| variable[0] = new ExpressionAsVariableSlot(controller, expression); | ||
| } | ||
| variable[0].visit(visitor); | ||
| } else { | ||
| expression.visit(visitor); | ||
| } | ||
| } | ||
|
|
||
| public void remove(final WriterController controller) { | ||
| controller.getCompileStack().removeVar(variable[0].getIndex()); | ||
| variable[0] = null; | ||
| } | ||
|
|
||
| @Override | ||
| public ClassNode getType() { | ||
| return expression.getType(); | ||
| } | ||
| } |
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79 changes: 79 additions & 0 deletions
79
...g.codehaus.groovy30/src/org/codehaus/groovy/transform/sc/TemporaryVariableExpression.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| * 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.transform.sc; | ||
|
|
||
| import org.codehaus.groovy.ast.ClassNode; | ||
| import org.codehaus.groovy.ast.GroovyCodeVisitor; | ||
| import org.codehaus.groovy.ast.expr.Expression; | ||
| import org.codehaus.groovy.ast.expr.ExpressionTransformer; | ||
| import org.codehaus.groovy.classgen.AsmClassGenerator; | ||
| import org.codehaus.groovy.classgen.asm.ExpressionAsVariableSlot; | ||
| import org.codehaus.groovy.classgen.asm.WriterController; | ||
|
|
||
| import static org.codehaus.groovy.transform.stc.StaticTypesMarker.INFERRED_TYPE; | ||
|
|
||
| /** | ||
| * A front-end class for {@link org.codehaus.groovy.classgen.asm.ExpressionAsVariableSlot} which | ||
| * allows defining temporary variables loaded from variable slots directly at the AST level, | ||
| * without any knowledge of {@link org.codehaus.groovy.classgen.AsmClassGenerator}. | ||
| * | ||
| * @since 2.4.0 | ||
| */ | ||
| public class TemporaryVariableExpression extends Expression { | ||
|
|
||
| private final Expression expression; | ||
|
|
||
| private ExpressionAsVariableSlot[] variable = {null}; | ||
|
|
||
| public TemporaryVariableExpression(final Expression expression) { | ||
| this.expression = expression; | ||
| putNodeMetaData(INFERRED_TYPE, expression.getNodeMetaData(INFERRED_TYPE)); | ||
| } | ||
|
|
||
| @Override | ||
| public Expression transformExpression(final ExpressionTransformer transformer) { | ||
| TemporaryVariableExpression result = new TemporaryVariableExpression(transformer.transform(expression)); | ||
| result.copyNodeMetaData(this); | ||
| result.variable = variable; | ||
| return result; | ||
| } | ||
|
|
||
| @Override | ||
| public void visit(final GroovyCodeVisitor visitor) { | ||
| if (visitor instanceof AsmClassGenerator) { | ||
| if (variable[0] == null) { | ||
| WriterController controller = ((AsmClassGenerator) visitor).getController(); | ||
| variable[0] = new ExpressionAsVariableSlot(controller, expression); | ||
| } | ||
| variable[0].visit(visitor); | ||
| } else { | ||
| expression.visit(visitor); | ||
| } | ||
| } | ||
|
|
||
| public void remove(final WriterController controller) { | ||
| controller.getCompileStack().removeVar(variable[0].getIndex()); | ||
| variable[0] = null; | ||
| } | ||
|
|
||
| @Override | ||
| public ClassNode getType() { | ||
| return expression.getType(); | ||
| } | ||
| } |
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79 changes: 79 additions & 0 deletions
79
...g.codehaus.groovy40/src/org/codehaus/groovy/transform/sc/TemporaryVariableExpression.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| * 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.transform.sc; | ||
|
|
||
| import org.codehaus.groovy.ast.ClassNode; | ||
| import org.codehaus.groovy.ast.GroovyCodeVisitor; | ||
| import org.codehaus.groovy.ast.expr.Expression; | ||
| import org.codehaus.groovy.ast.expr.ExpressionTransformer; | ||
| import org.codehaus.groovy.classgen.AsmClassGenerator; | ||
| import org.codehaus.groovy.classgen.asm.ExpressionAsVariableSlot; | ||
| import org.codehaus.groovy.classgen.asm.WriterController; | ||
|
|
||
| import static org.codehaus.groovy.transform.stc.StaticTypesMarker.INFERRED_TYPE; | ||
|
|
||
| /** | ||
| * A front-end class for {@link org.codehaus.groovy.classgen.asm.ExpressionAsVariableSlot} which | ||
| * allows defining temporary variables loaded from variable slots directly at the AST level, | ||
| * without any knowledge of {@link org.codehaus.groovy.classgen.AsmClassGenerator}. | ||
| * | ||
| * @since 2.4.0 | ||
| */ | ||
| public class TemporaryVariableExpression extends Expression { | ||
|
|
||
| private final Expression expression; | ||
|
|
||
| private ExpressionAsVariableSlot[] variable = {null}; | ||
|
|
||
| public TemporaryVariableExpression(final Expression expression) { | ||
| this.expression = expression; | ||
| putNodeMetaData(INFERRED_TYPE, expression.getNodeMetaData(INFERRED_TYPE)); | ||
| } | ||
|
|
||
| @Override | ||
| public Expression transformExpression(final ExpressionTransformer transformer) { | ||
| TemporaryVariableExpression result = new TemporaryVariableExpression(transformer.transform(expression)); | ||
| result.copyNodeMetaData(this); | ||
| result.variable = variable; | ||
| return result; | ||
| } | ||
|
|
||
| @Override | ||
| public void visit(final GroovyCodeVisitor visitor) { | ||
| if (visitor instanceof AsmClassGenerator) { | ||
| if (variable[0] == null) { | ||
| WriterController controller = ((AsmClassGenerator) visitor).getController(); | ||
| variable[0] = new ExpressionAsVariableSlot(controller, expression); | ||
| } | ||
| variable[0].visit(visitor); | ||
| } else { | ||
| expression.visit(visitor); | ||
| } | ||
| } | ||
|
|
||
| public void remove(final WriterController controller) { | ||
| controller.getCompileStack().removeVar(variable[0].getIndex()); | ||
| variable[0] = null; | ||
| } | ||
|
|
||
| @Override | ||
| public ClassNode getType() { | ||
| return expression.getType(); | ||
| } | ||
| } |
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