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Bug 393513. Graceful handling of ambiguous template arguments.

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This commit is contained in:
Sergey Prigogin 2012-11-05 14:55:59 -08:00
parent d722553646
commit 9016a57d56
4 changed files with 25 additions and 6 deletions
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7
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTFieldReference.java
View file

@ -19,6 +19,7 @@ import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IASTExpression;
import org.eclipse.cdt.core.dom.ast.IASTImplicitName;
import org.eclipse.cdt.core.dom.ast.IASTName;
@ -276,7 +277,11 @@ public class CPPASTFieldReference extends ASTNode
n= ns[ns.length - 1];
}
if (n instanceof ICPPASTTemplateId) {
args= CPPTemplates.createTemplateArgumentArray((ICPPASTTemplateId) n);
try {
args= CPPTemplates.createTemplateArgumentArray((ICPPASTTemplateId) n);
} catch (DOMException e) {
return EvalFixed.INCOMPLETE;
}
}
return new EvalID(ownerEval, qualifier, name.getSimpleID(), false, true, args);
}

6
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java
View file

@ -50,6 +50,7 @@ import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.ITypedef;
import org.eclipse.cdt.core.dom.ast.IValue;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTAmbiguousTemplateArgument;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCompositeTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCompositeTypeSpecifier.ICPPASTBaseSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeclSpecifier;
@ -1669,7 +1670,7 @@ public class CPPTemplates {
* @return an array of template arguments, currently modeled as IType objects.
* The empty ICPPTemplateArgument array is returned if id is {@code null}
*/
public static ICPPTemplateArgument[] createTemplateArgumentArray(ICPPASTTemplateId id) {
public static ICPPTemplateArgument[] createTemplateArgumentArray(ICPPASTTemplateId id) throws DOMException {
ICPPTemplateArgument[] result= ICPPTemplateArgument.EMPTY_ARGUMENTS;
if (id != null) {
IASTNode[] args= id.getTemplateArguments();
@ -1681,6 +1682,9 @@ public class CPPTemplates {
} else if (arg instanceof ICPPASTExpression) {
ICPPASTExpression expr= (ICPPASTExpression) arg;
result[i]= new CPPTemplateNonTypeArgument(expr.getEvaluation(), expr);
} else if (arg instanceof ICPPASTAmbiguousTemplateArgument) {
IProblemBinding problem = new ProblemBinding(id, IProblemBinding.SEMANTIC_INVALID_TEMPLATE_ARGUMENTS);
throw new DOMException(problem);
} else {
throw new IllegalArgumentException("Unexpected type: " + arg.getClass().getName()); //$NON-NLS-1$
}

6
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalID.java
View file

@ -196,7 +196,11 @@ public class EvalID extends CPPEvaluation {
ICPPTemplateArgument[] templateArgs = null;
final IASTName lastName = name.getLastName();
if (lastName instanceof ICPPASTTemplateId) {
templateArgs= CPPTemplates.createTemplateArgumentArray((ICPPASTTemplateId) lastName);
try {
templateArgs= CPPTemplates.createTemplateArgumentArray((ICPPASTTemplateId) lastName);
} catch (DOMException e) {
return EvalFixed.INCOMPLETE;
}
}
return new EvalID(fieldOwner, owner, name.getSimpleID(), isAddressOf(expr),
name instanceof ICPPASTQualifiedName, templateArgs);

12
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/LookupData.java
View file

@ -20,7 +20,9 @@ import java.util.Collections;
import java.util.List;
import java.util.Map;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.dom.ast.ASTNodeProperty;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IASTCompositeTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
@ -116,11 +118,15 @@ public class LookupData extends ScopeLookupData {
if (n == null)
throw new IllegalArgumentException();
ICPPTemplateArgument[] args = null;
if (n instanceof ICPPASTTemplateId) {
fTemplateArguments= CPPTemplates.createTemplateArgumentArray((ICPPASTTemplateId) n);
} else {
fTemplateArguments= null;
try {
args= CPPTemplates.createTemplateArgumentArray((ICPPASTTemplateId) n);
} catch (DOMException e) {
CCorePlugin.log(e);
}
}
fTemplateArguments= args;
configureWith(n);
}