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Bug 333256: Name resolution in trailing return type.

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This commit is contained in:
Markus Schorn 2011-01-07 12:37:02 +00:00
parent c3d083bf06
commit e3fcf44ebd
2 changed files with 39 additions and 21 deletions
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8
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java
View file

@ -9326,4 +9326,12 @@ public class AST2CPPTests extends AST2BaseTest {
public void testMemberInitializer_333200() throws Exception {
parseAndCheckBindings();
}
// template <typename T, typename U> auto add(T t, U u) -> decltype(t + u);
// template <typename T, typename U> auto add(T t, U u) -> decltype(t + u) {
// return t + u;
// }
public void testResolutionInTrailingReturnType_333256() throws Exception {
parseAndCheckBindings();
}
}

52
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPVisitor.java
View file

@ -876,31 +876,18 @@ public class CPPVisitor extends ASTQueries {
node= node.getParent();
}
continue;
} else if (prop == ICPPASTFunctionDeclarator.TRAILING_RETURN_TYPE) {
IScope result = scopeViaFunctionDtor((ICPPASTFunctionDeclarator) node.getParent());
if (result != null)
return result;
}
} else if (node instanceof IASTParameterDeclaration) {
IASTNode parent = node.getParent();
if (parent instanceof ICPPASTFunctionDeclarator) {
ICPPASTFunctionDeclarator dtor = (ICPPASTFunctionDeclarator) parent;
if (ASTQueries.findTypeRelevantDeclarator(dtor) == dtor) {
while (parent.getParent() instanceof IASTDeclarator)
parent = parent.getParent();
ASTNodeProperty prop = parent.getPropertyInParent();
if (prop == IASTSimpleDeclaration.DECLARATOR) {
return dtor.getFunctionScope();
}
if (prop == IASTFunctionDefinition.DECLARATOR) {
final IASTCompoundStatement body = (IASTCompoundStatement) ((IASTFunctionDefinition) parent.getParent()).getBody();
if (body != null)
return body.getScope();
return dtor.getFunctionScope();
}
if (prop == ICPPASTLambdaExpression.DECLARATOR) {
final IASTCompoundStatement body = ((ICPPASTLambdaExpression) parent.getParent()).getBody();
if (body != null)
return body.getScope();
return dtor.getFunctionScope();
}
}
IScope result = scopeViaFunctionDtor((ICPPASTFunctionDeclarator) parent);
if (result != null)
return result;
} else if (parent instanceof ICPPASTTemplateDeclaration) {
return CPPTemplates.getContainingScope(node);
}
@ -1001,6 +988,29 @@ public class CPPVisitor extends ASTQueries {
return new CPPScope.CPPScopeProblem(inputNode, IProblemBinding.SEMANTIC_BAD_SCOPE,
inputNode.getRawSignature().toCharArray());
}
private static IScope scopeViaFunctionDtor(ICPPASTFunctionDeclarator dtor) {
if (ASTQueries.findTypeRelevantDeclarator(dtor) == dtor) {
IASTDeclarator outerDtor = ASTQueries.findOutermostDeclarator(dtor);
ASTNodeProperty prop = outerDtor.getPropertyInParent();
if (prop == IASTSimpleDeclaration.DECLARATOR) {
return dtor.getFunctionScope();
}
if (prop == IASTFunctionDefinition.DECLARATOR) {
final IASTCompoundStatement body = (IASTCompoundStatement) ((IASTFunctionDefinition) outerDtor.getParent()).getBody();
if (body != null)
return body.getScope();
return dtor.getFunctionScope();
}
if (prop == ICPPASTLambdaExpression.DECLARATOR) {
final IASTCompoundStatement body = ((ICPPASTLambdaExpression) outerDtor.getParent()).getBody();
if (body != null)
return body.getScope();
return dtor.getFunctionScope();
}
}
return null;
}
/**
* Returns enclosing function definition, or <code>null</code> if the given node