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Bug 394024 - Template resolution problem with unsigned int non type

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parameter. A better fix.
This commit is contained in:
Sergey Prigogin 2012-11-12 11:21:32 -08:00
parent 9f8f8035d2
commit 1974b13a88
2 changed files with 17 additions and 11 deletions
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6
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPBasicType.java
View file

@ -32,7 +32,6 @@ import org.eclipse.core.runtime.CoreException;
*/
public class CPPBasicType implements ICPPBasicType, ISerializableType {
private static final int FROM_STRING_LITERAL = 1 << 31;
public static final int UNSPECIFIED_MODIFIERS = 1 << 30;
public static final CPPBasicType BOOLEAN = new CPPBasicType(Kind.eBoolean, 0, null);
public static final CPPBasicType NULL_PTR = new CPPBasicType(Kind.eNullPtr, 0, null);
@ -127,9 +126,6 @@ public class CPPBasicType implements ICPPBasicType, ISerializableType {
int modifiers = getModifiers();
int otherModifiers = other.getModifiers();
if ((modifiers & UNSPECIFIED_MODIFIERS) != 0 || (otherModifiers & UNSPECIFIED_MODIFIERS) != 0) {
return true;
}
if (fKind == Kind.eInt) {
// Signed int and int are equivalent.
return (modifiers & ~IS_SIGNED) == (otherModifiers & ~IS_SIGNED);
@ -284,7 +280,7 @@ public class CPPBasicType implements ICPPBasicType, ISerializableType {
}
/**
* @deprecated types don't have values
* @deprecated Types don't have values
*/
@Override
@Deprecated

22
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/TemplateArgumentDeduction.java
View file

@ -73,6 +73,12 @@ import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPUnknownBinding;
* Algorithms for deducing template arguments in various contexts.
*/
public class TemplateArgumentDeduction {
private static class TypeOfValueDeducedFromArraySize extends CPPBasicType {
public TypeOfValueDeducedFromArraySize() {
super(ICPPBasicType.Kind.eInt, 0);
}
}
/**
* Deduce arguments for a template function from the template id and the template function
* parameters.
@ -194,8 +200,16 @@ public class TemplateArgumentDeduction {
IType type1 = ((ICPPTemplateNonTypeParameter) tpar).getType();
type1= CPPTemplates.instantiateType(type1, map, -1, null, point);
IType type2= arg.getTypeOfNonTypeValue();
if (!type1.isSameType(type2))
// Template-argument deduced from an array bound may be of any integral
// type.
if (type2 instanceof TypeOfValueDeducedFromArraySize &&
type1 instanceof IBasicType &&
((IBasicType) type1).getKind() == IBasicType.Kind.eInt) {
arg = new CPPTemplateNonTypeArgument(arg.getNonTypeValue(), type1);
deduct.fDeducedArgs.put(tpar, arg);
} else if (!type1.isSameType(type2)) {
return false;
}
}
}
}
@ -737,11 +751,7 @@ public class TemplateArgumentDeduction {
if (parID >= 0) {
ICPPTemplateArgument old= fDeducedArgs.getArgument(parID, fPackOffset);
if (old == null) {
// Template-argument deduced from an array bound may be of any integral
// type (14.8.2.5 - 17).
CPPBasicType wildcardIntegralType =
new CPPBasicType(ICPPBasicType.Kind.eInt, CPPBasicType.UNSPECIFIED_MODIFIERS);
if (!deduce(parID, new CPPTemplateNonTypeArgument(as, wildcardIntegralType))) {
if (!deduce(parID, new CPPTemplateNonTypeArgument(as, new TypeOfValueDeducedFromArraySize()))) {
return false;
}
} else if (!as.equals(old.getNonTypeValue())) {