mirrors/cdt
1
0
Fork 0
mirror of https://github.com/eclipse-cdt/cdt synced 2025-04-29 19:45:01 +02:00
Code Issues Wiki Activity

Bug 395243 - Error involving dependent expressions

Browse source 
Change-Id: Ie15f8415f930248c54041f0f2e60149874e670e8
Reviewed-on: https://git.eclipse.org/r/9062
Reviewed-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>
IP-Clean: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Tested-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>
This commit is contained in:
Nathan Ridge 2012-12-06 23:19:56 -05:00 • committed by Sergey Prigogin
parent f9e5116c69
commit f429bd5482
8 changed files with 102 additions and 61 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
View file

@ -12,6 +12,7 @@
* Andrew Ferguson (Symbian)
* Sergey Prigogin (Google)
* Thomas Corbat (IFS)
* Nathan Ridge
*******************************************************************************/
package org.eclipse.cdt.core.parser.tests.ast2;
@ -6923,4 +6924,21 @@ public class AST2TemplateTests extends AST2BaseTest {
public void testVariadicConstructor_395247() throws Exception {
parseAndCheckBindings();
}
// template <int> struct Int {};
// template<typename T>
// struct identity {
// typedef T type;
// };
// template <typename T>
// char waldo(T);
// template<typename F = int>
// struct S {
// F f;
// static const int value = sizeof(waldo(f));
// };
// typedef identity<Int<S<>::value>>::type reference;
public void testDependentExpressions_395243() throws Exception {
parseAndCheckBindings();
}
}

29
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPDeferredFunction.java
View file

@ -8,12 +8,11 @@
* Contributors:
* Markus Schorn - initial API and implementation
* Sergey Prigogin (Google)
* Nathan Ridge
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IFunction;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPConstructor;
@ -30,19 +29,33 @@ public class CPPDeferredFunction extends CPPUnknownBinding implements ICPPFuncti
private static final ICPPFunctionType FUNCTION_TYPE=
new CPPFunctionType(ProblemType.UNKNOWN_FOR_EXPRESSION, IType.EMPTY_TYPE_ARRAY);
public static ICPPFunction createForSample(IFunction sample) throws DOMException {
if (sample instanceof ICPPConstructor)
return new CPPUnknownConstructor(((ICPPConstructor) sample).getClassOwner());
/**
* Creates a CPPDeferredFunction given a set of overloaded functions
* (some of which may be templates) that the function might resolve to.
* At least one candidate must be provided.
*
* @param candidates a set of overloaded functions, some of which may be templates
* @return the constructed CPPDeferredFunction
*/
public static ICPPFunction createForCandidates(ICPPFunction... candidates) {
if (candidates[0] instanceof ICPPConstructor)
return new CPPUnknownConstructor(((ICPPConstructor) candidates[0]).getClassOwner(), candidates);
final IBinding owner = sample.getOwner();
return new CPPDeferredFunction(owner, sample.getNameCharArray());
final IBinding owner = candidates[0].getOwner();
return new CPPDeferredFunction(owner, candidates[0].getNameCharArray(), candidates);
}
private final IBinding fOwner;
private final ICPPFunction[] fCandidates;
public CPPDeferredFunction(IBinding owner, char[] name) {
public CPPDeferredFunction(IBinding owner, char[] name, ICPPFunction[] candidates) {
super(name);
fOwner= owner;
fCandidates = candidates;
}
public ICPPFunction[] getCandidates() {
return fCandidates;
}
@Override

8
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownConstructor.java
View file

@ -8,11 +8,13 @@
* Contributors:
* Markus Schorn - initial API and implementation
* Thomas Corbat (IFS)
* Nathan Ridge
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPConstructor;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
/**
* Represents a reference to a constructor (instance), which cannot be resolved because
@ -21,7 +23,11 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPConstructor;
public class CPPUnknownConstructor extends CPPDeferredFunction implements ICPPConstructor {
public CPPUnknownConstructor(ICPPClassType owner) {
super(owner, owner.getNameCharArray());
super(owner, owner.getNameCharArray(), null);
}
public CPPUnknownConstructor(ICPPClassType owner, ICPPFunction[] candidates) {
super(owner, owner.getNameCharArray(), candidates);
}
@Override

5
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPFunctionSet.java
View file

@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2010 Wind River Systems, Inc. and others.
* Copyright (c) 2010, 2012 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
@ -7,6 +7,7 @@
*
* Contributors:
* Markus Schorn - initial API and implementation
* Nathan Ridge
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp.semantics;
@ -92,7 +93,7 @@ public class CPPFunctionSet implements ICPPTwoPhaseBinding {
public void setToUnknown() {
if (fName != null) {
fName.setBinding(new CPPDeferredFunction(null, fName.toCharArray()));
fName.setBinding(new CPPDeferredFunction(null, fName.toCharArray(), fBindings));
}
}
}

9
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
View file

@ -13,6 +13,7 @@
* Sergey Prigogin (Google)
* Mike Kucera (IBM)
* Thomas Corbat (IFS)
* Nathan Ridge
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp.semantics;
@ -451,7 +452,7 @@ public class CPPSemantics {
final ASTNodeProperty namePropertyInParent = name.getPropertyInParent();
if (binding == null && data.skippedScope != null) {
if (data.hasFunctionArguments()) {
binding= new CPPDeferredFunction(data.skippedScope, name.getSimpleID());
binding= new CPPDeferredFunction(data.skippedScope, name.getSimpleID(), null);
} else {
if (namePropertyInParent == IASTNamedTypeSpecifier.NAME) {
binding= new CPPUnknownMemberClass(data.skippedScope, name.getSimpleID());
@ -2395,7 +2396,7 @@ public class CPPSemantics {
if (viableCount == 1)
return fns[0];
setTargetedFunctionsToUnknown(argTypes);
return CPPDeferredFunction.createForSample(fns[0]);
return CPPDeferredFunction.createForCandidates(fns);
}
IFunction[] ambiguousFunctions= null; // ambiguity, 2 functions are equally good
@ -2403,7 +2404,7 @@ public class CPPSemantics {
// Loop over all functions
List<FunctionCost> potentialCosts= null;
IFunction unknownFunction= null;
ICPPFunction unknownFunction= null;
final CPPASTTranslationUnit tu = data.getTranslationUnit();
for (ICPPFunction fn : fns) {
if (fn == null)
@ -2455,7 +2456,7 @@ public class CPPSemantics {
return null;
setTargetedFunctionsToUnknown(argTypes);
return CPPDeferredFunction.createForSample(unknownFunction);
return CPPDeferredFunction.createForCandidates(fns);
}
if (ambiguousFunctions != null) {

24
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java
View file

@ -11,6 +11,7 @@
* Markus Schorn (Wind River Systems)
* Sergey Prigogin (Google)
* Thomas Corbat (IFS)
* Nathan Ridge
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp.semantics;
@ -163,7 +164,6 @@ public class CPPTemplates {
static final int PACK_SIZE_DEFER = -1;
static final int PACK_SIZE_FAIL = -2;
static final int PACK_SIZE_NOT_FOUND = Integer.MAX_VALUE;
private static final ICPPFunction[] NO_FUNCTIONS = {};
static enum TypeSelection { PARAMETERS, RETURN_TYPE, PARAMETERS_AND_RETURN_TYPE }
/**
@ -1726,18 +1726,12 @@ public class CPPTemplates {
requireTemplate= false;
if (func instanceof ICPPFunctionTemplate) {
ICPPFunctionTemplate template= (ICPPFunctionTemplate) func;
try {
if (containsDependentType(fnArgs))
return new ICPPFunction[] {CPPDeferredFunction.createForSample(template)};
return new ICPPFunction[] {CPPDeferredFunction.createForCandidates(fns)};
if (requireTemplate && hasDependentArgument(tmplArgs))
return new ICPPFunction[] {CPPDeferredFunction.createForCandidates(fns)};
if (requireTemplate) {
if (hasDependentArgument(tmplArgs))
return new ICPPFunction[] {CPPDeferredFunction.createForSample(template)};
}
} catch (DOMException e) {
return NO_FUNCTIONS;
}
haveTemplate= true;
break;
}
@ -1803,15 +1797,11 @@ public class CPPTemplates {
// Extract template arguments and parameter types.
if (!checkedForDependentType) {
try {
if (isDependentType(conversionType)) {
inst= CPPDeferredFunction.createForSample(template);
inst= CPPDeferredFunction.createForCandidates(functions);
done= true;
}
checkedForDependentType= true;
} catch (DOMException e) {
return functions;
}
}
CPPTemplateParameterMap map= new CPPTemplateParameterMap(1);
try {
@ -1869,7 +1859,7 @@ public class CPPTemplates {
ICPPTemplateArgument[] args, IASTNode point) {
try {
if (target != null && isDependentType(target)) {
return CPPDeferredFunction.createForSample(template);
return CPPDeferredFunction.createForCandidates(template);
}
if (template instanceof ICPPConstructor || args == null)

1
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalFunctionSet.java
View file

@ -145,6 +145,7 @@ public class EvalFunctionSet extends CPPEvaluation {
ICPPClassSpecialization within, int maxdepth, IASTNode point) {
ICPPTemplateArgument[] originalArguments = fFunctionSet.getTemplateArguments();
ICPPTemplateArgument[] arguments = originalArguments;
if (originalArguments != null)
arguments = instantiateArguments(originalArguments, tpMap, packOffset, within, point);
IBinding originalOwner = fFunctionSet.getOwner();

35
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalID.java
View file

@ -8,6 +8,7 @@
* Contributors:
* Markus Schorn - initial API and implementation
* Sergey Prigogin (Google)
* Nathan Ridge
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp.semantics;
@ -48,6 +49,7 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
import org.eclipse.cdt.internal.core.dom.parser.ISerializableEvaluation;
import org.eclipse.cdt.internal.core.dom.parser.ITypeMarshalBuffer;
import org.eclipse.cdt.internal.core.dom.parser.Value;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPDeferredFunction;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPEvaluation;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPUnknownBinding;
import org.eclipse.core.runtime.CoreException;
@ -184,15 +186,6 @@ public class EvalID extends CPPEvaluation {
return new EvalFunctionSet((CPPFunctionSet) binding, isAddressOf(expr));
}
if (binding instanceof ICPPUnknownBinding) {
IBinding owner = binding.getOwner();
if (owner instanceof IProblemBinding)
return EvalFixed.INCOMPLETE;
ICPPEvaluation fieldOwner= null;
IType fieldOwnerType= withinNonStaticMethod(expr);
if (fieldOwnerType != null) {
fieldOwner= new EvalFixed(fieldOwnerType, ValueCategory.LVALUE, Value.UNKNOWN);
}
ICPPTemplateArgument[] templateArgs = null;
final IASTName lastName = name.getLastName();
if (lastName instanceof ICPPASTTemplateId) {
@ -202,12 +195,30 @@ public class EvalID extends CPPEvaluation {
return EvalFixed.INCOMPLETE;
}
}
if (binding instanceof CPPDeferredFunction) {
CPPDeferredFunction deferredFunction = (CPPDeferredFunction) binding;
if (deferredFunction.getCandidates() != null) {
CPPFunctionSet functionSet = new CPPFunctionSet(deferredFunction.getCandidates(), templateArgs, null);
return new EvalFunctionSet(functionSet, isAddressOf(expr));
}
}
IBinding owner = binding.getOwner();
if (owner instanceof IProblemBinding)
return EvalFixed.INCOMPLETE;
ICPPEvaluation fieldOwner= null;
IType fieldOwnerType= withinNonStaticMethod(expr);
if (fieldOwnerType != null) {
fieldOwner= new EvalFixed(fieldOwnerType, ValueCategory.LVALUE, Value.UNKNOWN);
}
return new EvalID(fieldOwner, owner, name.getSimpleID(), isAddressOf(expr),
name instanceof ICPPASTQualifiedName, templateArgs);
}
/**
* 9.3.1-3 Transformation to class member access within a non-static member function.
*/
// 9.3.1-3 Transformation to class member access within a non-static member function.
if (binding instanceof ICPPMember && !(binding instanceof IType)
&& !(binding instanceof ICPPConstructor) &&!((ICPPMember) binding).isStatic()) {
IType fieldOwnerType= withinNonStaticMethod(expr);