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Code Issues Wiki Activity

Correct determination of default template arguments, bug 281781.

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This commit is contained in:
Markus Schorn 2009-07-01 14:47:56 +00:00
parent e4a67a4897
commit aa1e4bd52c
5 changed files with 46 additions and 22 deletions
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11
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
View file

@ -2572,14 +2572,19 @@ public class AST2TemplateTests extends AST2BaseTest {
}
// template<class T, class U> class A;
// template<class T, int U> class AI;
// template<class T, template<typename V1, typename V2> class U> class AT;
//
// class B {};
//
// template<class T, class U = B>
// class A {};
// template<class T, class U = B> class A {};
// template<class T, int U=1> class AI {};
// template<class T, template<typename V1, typename V2> class U=A> class AT {};
//
// A<char> x;
public void _testDefaultTemplateParameter_281781() throws Exception {
// AI<char> y;
// AT<char> z;
public void testDefaultTemplateParameter_281781() throws Exception {
final String code = getAboveComment();
parseAndCheckBindings(code, ParserLanguage.CPP);
}

19
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateNonTypeParameter.java
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@ -17,6 +17,7 @@ import org.eclipse.cdt.core.dom.ast.IASTExpression;
import org.eclipse.cdt.core.dom.ast.IASTInitializer;
import org.eclipse.cdt.core.dom.ast.IASTInitializerExpression;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.IValue;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument;
@ -37,12 +38,20 @@ public class CPPTemplateNonTypeParameter extends CPPTemplateParameter implements
}
public IASTExpression getDefault() {
IASTName name = getPrimaryDeclaration();
IASTDeclarator dtor = (IASTDeclarator) name.getParent();
IASTInitializer initializer = dtor.getInitializer();
if( initializer instanceof IASTInitializerExpression )
return ((IASTInitializerExpression) initializer).getExpression();
IASTName[] nds = getDeclarations();
if (nds == null || nds.length == 0)
return null;
for (IASTName name : nds) {
IASTNode parent = name.getParent();
assert parent instanceof IASTDeclarator;
if (parent instanceof IASTDeclarator) {
IASTDeclarator dtor = (IASTDeclarator) parent;
IASTInitializer initializer = dtor.getInitializer();
if (initializer instanceof IASTInitializerExpression)
return ((IASTInitializerExpression) initializer).getExpression();
}
}
return null;
}

2
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateParameter.java
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@ -158,7 +158,7 @@ public abstract class CPPTemplateParameter extends PlatformObject
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPInternalBinding#getDeclarations()
*/
public IASTNode[] getDeclarations() {
public IASTName[] getDeclarations() {
return declarations;
}

17
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateTemplateParameter.java
View file

@ -91,14 +91,19 @@ public class CPPTemplateTemplateParameter extends CPPTemplateParameter implement
}
public IType getDefault() {
IASTNode[] nds = getDeclarations();
IASTName[] nds = getDeclarations();
if (nds == null || nds.length == 0)
return null;
IASTName name = (IASTName) nds[0];
ICPPASTTemplatedTypeTemplateParameter param = (ICPPASTTemplatedTypeTemplateParameter) name.getParent();
IASTExpression defaultValue = param.getDefaultValue();
if (defaultValue != null)
return CPPVisitor.createType(defaultValue);
for (IASTName nd : nds) {
IASTNode parent = nd.getParent();
assert parent instanceof ICPPASTTemplatedTypeTemplateParameter;
if (parent instanceof ICPPASTTemplatedTypeTemplateParameter) {
ICPPASTTemplatedTypeTemplateParameter param = (ICPPASTTemplatedTypeTemplateParameter) parent;
IASTExpression value = param.getDefaultValue();
if (value != null)
return CPPVisitor.createType(value);
}
}
return null;
}

11
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateTypeParameter.java
View file

@ -46,14 +46,19 @@ public class CPPTemplateTypeParameter extends CPPTemplateParameter implements
}
public IType getDefault() {
IASTNode[] nds = getDeclarations();
IASTName[] nds = getDeclarations();
if (nds == null || nds.length == 0)
return null;
IASTName name = (IASTName) nds[0];
ICPPASTSimpleTypeTemplateParameter simple = (ICPPASTSimpleTypeTemplateParameter) name.getParent();
for (IASTName nd : nds) {
IASTNode parent = nd.getParent();
assert parent instanceof ICPPASTSimpleTypeTemplateParameter;
if (parent instanceof ICPPASTSimpleTypeTemplateParameter) {
ICPPASTSimpleTypeTemplateParameter simple = (ICPPASTSimpleTypeTemplateParameter) parent;
IASTTypeId typeId = simple.getDefaultType();
if (typeId != null)
return CPPVisitor.createType(typeId);
}
}
return null;
}