Java Code Examples for org.eclipse.jdt.internal.corext.dom.ASTNodes#findVariableDeclaration()
The following examples show how to use
org.eclipse.jdt.internal.corext.dom.ASTNodes#findVariableDeclaration() .
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Example 1
| Source File: ExtractMethodRefactoring.java From eclipse.jdt.ls with Eclipse Public License 2.0 | 6 votes |
|
private void initializeParameterInfos() {
IVariableBinding[] arguments = fAnalyzer.getArguments();
fParameterInfos = new ArrayList<>(arguments.length);
ASTNode root = fAnalyzer.getEnclosingBodyDeclaration();
ParameterInfo vararg = null;
for (int i = 0; i < arguments.length; i++) {
IVariableBinding argument = arguments[i];
if (argument == null) {
continue;
}
VariableDeclaration declaration = ASTNodes.findVariableDeclaration(argument, root);
boolean isVarargs = declaration instanceof SingleVariableDeclaration ? ((SingleVariableDeclaration) declaration).isVarargs() : false;
ParameterInfo info = new ParameterInfo(argument, getType(declaration, isVarargs), argument.getName(), i);
if (isVarargs) {
vararg = info;
} else {
fParameterInfos.add(info);
}
}
if (vararg != null) {
fParameterInfos.add(vararg);
}
}
Example 2
| Source File: ExtractMethodRefactoring.java From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 | 6 votes |
|
private void initializeParameterInfos() {
IVariableBinding[] arguments= fAnalyzer.getArguments();
fParameterInfos= new ArrayList<ParameterInfo>(arguments.length);
ASTNode root= fAnalyzer.getEnclosingBodyDeclaration();
ParameterInfo vararg= null;
for (int i= 0; i < arguments.length; i++) {
IVariableBinding argument= arguments[i];
if (argument == null)
continue;
VariableDeclaration declaration= ASTNodes.findVariableDeclaration(argument, root);
boolean isVarargs= declaration instanceof SingleVariableDeclaration
? ((SingleVariableDeclaration)declaration).isVarargs()
: false;
ParameterInfo info= new ParameterInfo(argument, getType(declaration, isVarargs), argument.getName(), i);
if (isVarargs) {
vararg= info;
} else {
fParameterInfos.add(info);
}
}
if (vararg != null) {
fParameterInfos.add(vararg);
}
}
Example 3
| Source File: RenameAnalyzeUtil.java From eclipse.jdt.ls with Eclipse Public License 2.0 | 5 votes |
|
private static VariableDeclaration getVariableDeclaration(Name node) {
IBinding binding= node.resolveBinding();
if (binding == null && node.getParent() instanceof VariableDeclaration) {
return (VariableDeclaration) node.getParent();
}
if (binding != null && binding.getKind() == IBinding.VARIABLE) {
CompilationUnit cu= ASTNodes.getParent(node, CompilationUnit.class);
return ASTNodes.findVariableDeclaration( ((IVariableBinding) binding), cu);
}
return null;
}
Example 4
| Source File: ExtractMethodRefactoring.java From eclipse.jdt.ls with Eclipse Public License 2.0 | 5 votes |
|
private VariableDeclarationStatement createDeclaration(IVariableBinding binding, Expression intilizer) {
VariableDeclaration original = ASTNodes.findVariableDeclaration(binding, fAnalyzer.getEnclosingBodyDeclaration());
VariableDeclarationFragment fragment = fAST.newVariableDeclarationFragment();
fragment.setName((SimpleName) ASTNode.copySubtree(fAST, original.getName()));
fragment.setInitializer(intilizer);
VariableDeclarationStatement result = fAST.newVariableDeclarationStatement(fragment);
result.modifiers().addAll(ASTNode.copySubtrees(fAST, ASTNodes.getModifiers(original)));
result.setType(ASTNodeFactory.newType(fAST, original, fImportRewriter, new ContextSensitiveImportRewriteContext(original, fImportRewriter)));
return result;
}
Example 5
| Source File: RenameAnalyzeUtil.java From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 | 5 votes |
|
private static VariableDeclaration getVariableDeclaration(Name node) {
IBinding binding= node.resolveBinding();
if (binding == null && node.getParent() instanceof VariableDeclaration)
return (VariableDeclaration) node.getParent();
if (binding != null && binding.getKind() == IBinding.VARIABLE) {
CompilationUnit cu= (CompilationUnit) ASTNodes.getParent(node, CompilationUnit.class);
return ASTNodes.findVariableDeclaration( ((IVariableBinding) binding), cu);
}
return null;
}
Example 6
| Source File: ExtractMethodRefactoring.java From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 | 5 votes |
|
private VariableDeclarationStatement createDeclaration(IVariableBinding binding, Expression intilizer) {
VariableDeclaration original= ASTNodes.findVariableDeclaration(binding, fAnalyzer.getEnclosingBodyDeclaration());
VariableDeclarationFragment fragment= fAST.newVariableDeclarationFragment();
fragment.setName((SimpleName)ASTNode.copySubtree(fAST, original.getName()));
fragment.setInitializer(intilizer);
VariableDeclarationStatement result= fAST.newVariableDeclarationStatement(fragment);
result.modifiers().addAll(ASTNode.copySubtrees(fAST, ASTNodes.getModifiers(original)));
result.setType(ASTNodeFactory.newType(fAST, original, fImportRewriter, new ContextSensitiveImportRewriteContext(original, fImportRewriter)));
return result;
}
Example 7
| Source File: ExtractMethodAnalyzer.java From eclipse.jdt.ls with Eclipse Public License 2.0 | 4 votes |
|
private void initReturnType(ImportRewrite rewriter) {
AST ast = fEnclosingBodyDeclaration.getAST();
fReturnType = null;
fReturnTypeBinding = null;
switch (fReturnKind) {
case ACCESS_TO_LOCAL:
VariableDeclaration declaration = ASTNodes.findVariableDeclaration(fReturnValue, fEnclosingBodyDeclaration);
fReturnType = ASTNodeFactory.newType(ast, declaration, rewriter, new ContextSensitiveImportRewriteContext(declaration, rewriter));
if (declaration.resolveBinding() != null) {
fReturnTypeBinding = declaration.resolveBinding().getType();
}
break;
case EXPRESSION:
Expression expression = (Expression) getFirstSelectedNode();
if (expression.getNodeType() == ASTNode.CLASS_INSTANCE_CREATION) {
fExpressionBinding = ((ClassInstanceCreation) expression).getType().resolveBinding();
} else {
fExpressionBinding = expression.resolveTypeBinding();
}
if (fExpressionBinding != null) {
if (fExpressionBinding.isNullType()) {
getStatus().addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_null_type, JavaStatusContext.create(fCUnit, expression));
} else {
ITypeBinding normalizedBinding = Bindings.normalizeForDeclarationUse(fExpressionBinding, ast);
if (normalizedBinding != null) {
ImportRewriteContext context = new ContextSensitiveImportRewriteContext(fEnclosingBodyDeclaration, rewriter);
fReturnType = rewriter.addImport(normalizedBinding, ast, context, TypeLocation.RETURN_TYPE);
fReturnTypeBinding = normalizedBinding;
}
}
} else {
fReturnType = ast.newPrimitiveType(PrimitiveType.VOID);
fReturnTypeBinding = ast.resolveWellKnownType("void"); //$NON-NLS-1$
getStatus().addError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_determine_return_type, JavaStatusContext.create(fCUnit, expression));
}
break;
case RETURN_STATEMENT_VALUE:
LambdaExpression enclosingLambdaExpr = ASTResolving.findEnclosingLambdaExpression(getFirstSelectedNode());
if (enclosingLambdaExpr != null) {
fReturnType = ASTNodeFactory.newReturnType(enclosingLambdaExpr, ast, rewriter, null);
IMethodBinding methodBinding = enclosingLambdaExpr.resolveMethodBinding();
fReturnTypeBinding = methodBinding != null ? methodBinding.getReturnType() : null;
} else if (fEnclosingBodyDeclaration.getNodeType() == ASTNode.METHOD_DECLARATION) {
fReturnType = ((MethodDeclaration) fEnclosingBodyDeclaration).getReturnType2();
fReturnTypeBinding = fReturnType != null ? fReturnType.resolveBinding() : null;
}
break;
default:
fReturnType = ast.newPrimitiveType(PrimitiveType.VOID);
fReturnTypeBinding = ast.resolveWellKnownType("void"); //$NON-NLS-1$
}
if (fReturnType == null) {
fReturnType = ast.newPrimitiveType(PrimitiveType.VOID);
fReturnTypeBinding = ast.resolveWellKnownType("void"); //$NON-NLS-1$
}
}
Example 8
| Source File: ExtractMethodRefactoring.java From eclipse.jdt.ls with Eclipse Public License 2.0 | 4 votes |
|
private List<SnippetFinder.Match> findValidDuplicates(ASTNode startNode) {
List<Match> duplicates = SnippetFinder.perform(startNode, fAnalyzer.getSelectedNodes());
List<SnippetFinder.Match> validDuplicates = new ArrayList<>();
for (Match duplicate : duplicates) {
if (duplicate != null && !duplicate.isInvalidNode()) {
try {
ASTNode[] nodes = duplicate.getNodes();
int duplicateStart = nodes[0].getStartPosition();
ASTNode lastNode = nodes[nodes.length - 1];
int duplicateEnd = lastNode.getStartPosition() + lastNode.getLength();
int duplicateLength = duplicateEnd - duplicateStart;
ExtractMethodAnalyzer analyzer = new ExtractMethodAnalyzer(fCUnit, Selection.createFromStartLength(duplicateStart, duplicateLength));
fRoot.accept(analyzer);
RefactoringStatus result = new RefactoringStatus();
result.merge(analyzer.checkInitialConditions(fImportRewriter));
if (!result.hasFatalError()) {
ITypeBinding originalReturnTypeBinding = fAnalyzer.getReturnTypeBinding();
ITypeBinding duplicateReturnTypeBinding = analyzer.getReturnTypeBinding();
if (originalReturnTypeBinding == null && duplicateReturnTypeBinding == null) {
validDuplicates.add(duplicate);
} else if (originalReturnTypeBinding != null && duplicateReturnTypeBinding != null) {
if (!originalReturnTypeBinding.equals(duplicateReturnTypeBinding)) {
if (duplicateReturnTypeBinding.equals(startNode.getAST().resolveWellKnownType("void"))) { //$NON-NLS-1$
// extracted snippet returns non-void and duplicate snippet returns void => OK
validDuplicates.add(duplicate);
}
} else {
IVariableBinding originalReturnValBinding = fAnalyzer.getReturnValue();
IVariableBinding duplicateReturnValBinding = analyzer.getReturnValue();
if (originalReturnValBinding == null && duplicateReturnValBinding == null) {
validDuplicates.add(duplicate);
} else if (originalReturnValBinding != null && duplicateReturnValBinding != null) {
BodyDeclaration originalEnclosingBodyDeclaration = fAnalyzer.getEnclosingBodyDeclaration();
BodyDeclaration duplicateEnclosingBodyDeclaration = analyzer.getEnclosingBodyDeclaration();
VariableDeclaration originalReturnNode = ASTNodes.findVariableDeclaration(originalReturnValBinding, originalEnclosingBodyDeclaration);
VariableDeclaration duplicateReturnNode = ASTNodes.findVariableDeclaration(duplicateReturnValBinding, duplicateEnclosingBodyDeclaration);
if (originalReturnNode != null && duplicateReturnNode != null) {
boolean matches;
if (!fAnalyzer.getSelection().covers(originalReturnNode) && !analyzer.getSelection().covers(duplicateReturnNode)) {
// returned variables are defined outside of the selection => always OK
matches = true;
} else {
matches = matchesLocationInEnclosingBodyDecl(originalEnclosingBodyDeclaration, duplicateEnclosingBodyDeclaration, originalReturnNode, duplicateReturnNode);
}
if (matches) {
validDuplicates.add(duplicate);
}
}
}
}
}
}
} catch (CoreException e) {
// consider as invalid duplicate
}
}
}
return validDuplicates;
}
Example 9
| Source File: ExtractMethodRefactoring.java From eclipse.jdt.ls with Eclipse Public License 2.0 | 4 votes |
|
private VariableDeclaration getVariableDeclaration(ParameterInfo parameter) {
return ASTNodes.findVariableDeclaration(parameter.getOldBinding(), fAnalyzer.getEnclosingBodyDeclaration());
}
Example 10
| Source File: ExtractMethodAnalyzer.java From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 | 4 votes |
|
private void initReturnType(ImportRewrite rewriter) {
AST ast= fEnclosingBodyDeclaration.getAST();
fReturnType= null;
fReturnTypeBinding= null;
switch (fReturnKind) {
case ACCESS_TO_LOCAL:
VariableDeclaration declaration= ASTNodes.findVariableDeclaration(fReturnValue, fEnclosingBodyDeclaration);
fReturnType= ASTNodeFactory.newType(ast, declaration, rewriter, new ContextSensitiveImportRewriteContext(declaration, rewriter));
if (declaration.resolveBinding() != null) {
fReturnTypeBinding= declaration.resolveBinding().getType();
}
break;
case EXPRESSION:
Expression expression= (Expression)getFirstSelectedNode();
if (expression.getNodeType() == ASTNode.CLASS_INSTANCE_CREATION) {
fExpressionBinding= ((ClassInstanceCreation)expression).getType().resolveBinding();
} else {
fExpressionBinding= expression.resolveTypeBinding();
}
if (fExpressionBinding != null) {
if (fExpressionBinding.isNullType()) {
getStatus().addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_null_type, JavaStatusContext.create(fCUnit, expression));
} else {
ITypeBinding normalizedBinding= Bindings.normalizeForDeclarationUse(fExpressionBinding, ast);
if (normalizedBinding != null) {
ImportRewriteContext context= new ContextSensitiveImportRewriteContext(fEnclosingBodyDeclaration, rewriter);
fReturnType= rewriter.addImport(normalizedBinding, ast, context);
fReturnTypeBinding= normalizedBinding;
}
}
} else {
fReturnType= ast.newPrimitiveType(PrimitiveType.VOID);
fReturnTypeBinding= ast.resolveWellKnownType("void"); //$NON-NLS-1$
getStatus().addError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_determine_return_type, JavaStatusContext.create(fCUnit, expression));
}
break;
case RETURN_STATEMENT_VALUE:
LambdaExpression enclosingLambdaExpr= ASTResolving.findEnclosingLambdaExpression(getFirstSelectedNode());
if (enclosingLambdaExpr != null) {
fReturnType= ASTNodeFactory.newReturnType(enclosingLambdaExpr, ast, rewriter, null);
IMethodBinding methodBinding= enclosingLambdaExpr.resolveMethodBinding();
fReturnTypeBinding= methodBinding != null ? methodBinding.getReturnType() : null;
} else if (fEnclosingBodyDeclaration.getNodeType() == ASTNode.METHOD_DECLARATION) {
fReturnType= ((MethodDeclaration) fEnclosingBodyDeclaration).getReturnType2();
fReturnTypeBinding= fReturnType != null ? fReturnType.resolveBinding() : null;
}
break;
default:
fReturnType= ast.newPrimitiveType(PrimitiveType.VOID);
fReturnTypeBinding= ast.resolveWellKnownType("void"); //$NON-NLS-1$
}
if (fReturnType == null) {
fReturnType= ast.newPrimitiveType(PrimitiveType.VOID);
fReturnTypeBinding= ast.resolveWellKnownType("void"); //$NON-NLS-1$
}
}
Example 11
| Source File: ExtractMethodRefactoring.java From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 | 4 votes |
|
private VariableDeclaration getVariableDeclaration(ParameterInfo parameter) {
return ASTNodes.findVariableDeclaration(parameter.getOldBinding(), fAnalyzer.getEnclosingBodyDeclaration());
}
Example 12
| Source File: LocalDeclarationAnalyzer.java From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 | 4 votes |
|
private void handleReferenceToLocal(SimpleName node, IVariableBinding binding) {
VariableDeclaration declaration= ASTNodes.findVariableDeclaration(binding, node);
if (declaration != null && fSelection.covers(declaration))
addLocalDeclaration(declaration);
}
