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Code Issues Wiki Activity

206187: Apply fix, add regression test

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This commit is contained in:
Andrew Ferguson 2007-10-18 15:58:43 +00:00
parent af01f4320d
commit e27f022a1f
2 changed files with 88 additions and 71 deletions
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46
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPBindingResolutionBugs.java
View file

@ -63,6 +63,52 @@ public class IndexCPPBindingResolutionBugs extends IndexBindingResolutionTestBas
setStrategy(new SinglePDOMTestStrategy(true));
}
// class testdef{
//
// public:
// void testagain();
//
// };
//
// typedef void TAny;
//
// inline void testCall(TAny* aExpected){}
//
// testdef* global_cBase;
// testdef*& global_cBaseRef = global_cBase;
// #include "typedefHeader.h"
//
//
// int main(void)
// {
// testdef* local_cBase;
// testdef*& local_cBaseRef = local_cBase;
//
// testCall( /*1*/ (void *) local_cBase);
// testCall( /*2*/ local_cBase);
//
// testCall( /*3*/ (void *) local_cBaseRef);
// testCall( /*4*/ local_cBaseRef);
//
// testCall( /*5*/ (void *) global_cBase);
// testCall( /*6*/ global_cBase);
//
// testCall( /*7*/ (void *)global_cBaseRef);
// testCall( /*8*/ global_cBaseRef);
// }
public void testBug206187() throws Exception {
IBinding b1= getBindingFromASTName("testCall( /*1*/", 8);
IBinding b2= getBindingFromASTName("testCall( /*2*/", 8);
IBinding b3= getBindingFromASTName("testCall( /*3*/", 8);
IBinding b4= getBindingFromASTName("testCall( /*4*/", 8);
IBinding b5= getBindingFromASTName("testCall( /*5*/", 8);
IBinding b6= getBindingFromASTName("testCall( /*6*/", 8);
IBinding b7= getBindingFromASTName("testCall( /*7*/", 8);
IBinding b8= getBindingFromASTName("testCall( /*8*/", 8);
}
// template<typename T1>
// class A {};
//

111
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPSemantics.java
View file

@ -491,12 +491,19 @@ public class CPPSemantics {
}
}
static protected class Cost
{
public Cost( IType s, IType t ){
source = s;
target = t;
}
static protected class Cost {
//Some constants to help clarify things
public static final int AMBIGUOUS_USERDEFINED_CONVERSION = 1;
public static final int NO_MATCH_RANK = -1;
public static final int IDENTITY_RANK = 0;
public static final int LVALUE_OR_QUALIFICATION_RANK = 0;
public static final int PROMOTION_RANK = 1;
public static final int CONVERSION_RANK = 2;
public static final int DERIVED_TO_BASE_CONVERSION = 3;
public static final int USERDEFINED_CONVERSION_RANK = 4;
public static final int ELLIPSIS_CONVERSION = 5;
public static final int FUZZY_TEMPLATE_PARAMETERS = 6;
public IType source;
public IType target;
@ -511,18 +518,10 @@ public class CPPSemantics {
public int rank = -1;
public int detail;
//Some constants to help clarify things
public static final int AMBIGUOUS_USERDEFINED_CONVERSION = 1;
public static final int NO_MATCH_RANK = -1;
public static final int IDENTITY_RANK = 0;
public static final int LVALUE_OR_QUALIFICATION_RANK = 0;
public static final int PROMOTION_RANK = 1;
public static final int CONVERSION_RANK = 2;
public static final int DERIVED_TO_BASE_CONVERSION = 3;
public static final int USERDEFINED_CONVERSION_RANK = 4;
public static final int ELLIPSIS_CONVERSION = 5;
public static final int FUZZY_TEMPLATE_PARAMETERS = 6;
public Cost( IType s, IType t ){
source = s;
target = t;
}
public int compare( Cost cost ) throws DOMException{
int result = 0;
@ -2896,27 +2895,35 @@ public class CPPSemantics {
return type;
}
public static IType getUltimateType(IType type, boolean stopAtPointerToMember) {
private static IType getUltimateType(IType type, IType[] lastPointerType, boolean stopAtPointerToMember) {
try {
while( true ){
if( type instanceof ITypedef )
type = ((ITypedef)type).getType();
type= ((ITypedef)type).getType();
else if( type instanceof IQualifierType )
type = ((IQualifierType)type).getType();
type= ((IQualifierType)type).getType();
else if( stopAtPointerToMember && type instanceof ICPPPointerToMemberType )
return type;
else if( type instanceof IPointerType )
type = ((IPointerType) type).getType();
else if( type instanceof ICPPReferenceType )
type = ((ICPPReferenceType)type).getType();
else if( type instanceof IPointerType ) {
if(lastPointerType!=null) {
lastPointerType[0]= type;
}
type= ((IPointerType) type).getType();
} else if( type instanceof ICPPReferenceType )
type= ((ICPPReferenceType)type).getType();
else
return type;
}
} catch ( DOMException e ) {
return e.getProblem();
}
}
public static IType getUltimateType(IType type, boolean stopAtPointerToMember) {
return getUltimateType(type, null, stopAtPointerToMember);
}
/**
* Descends into type containers, stopping at pointer or
* pointer-to-member types.
@ -3002,30 +3009,14 @@ public class CPPSemantics {
boolean canConvert = true;
int requiredConversion = Cost.IDENTITY_RANK;
IPointerType op1, op2;
IType s = cost.source, t = cost.target;
boolean constInEveryCV2k = true;
while( true ){
op1 = null;
op2 = null;
while( true ){
if( s instanceof ITypedef )
s = ((ITypedef)s).getType();
else {
if( s instanceof IPointerType )
op1 = (IPointerType) s;
break;
}
}
while( true ){
if( t instanceof ITypedef )
t = ((ITypedef)t).getType();
else {
if( t instanceof IPointerType )
op2 = (IPointerType) t;
break;
}
}
s= getUltimateTypeViaTypedefs(s);
t= getUltimateTypeViaTypedefs(t);
IPointerType op1= s instanceof IPointerType ? (IPointerType) s : null;
IPointerType op2= t instanceof IPointerType ? (IPointerType) t : null;
if( op1 == null && op2 == null )
break;
else if( op1 == null ^ op2 == null) {
@ -3164,19 +3155,10 @@ public class CPPSemantics {
cost.conversion = 0;
cost.detail = 0;
IType s = getUltimateType( src, true );
IType t = getUltimateType( trg, true );
IType sPrev = src;
while( sPrev instanceof ITypeContainer ){
IType next = ((ITypeContainer)sPrev).getType();
while( next instanceof IQualifierType || next instanceof ITypedef ){
next = ((ITypeContainer)next).getType();
}
if( next == s )
break;
sPrev = next;
}
IType[] sHolder= new IType[1], tHolder= new IType[1];
IType s = getUltimateType( src, sHolder, true );
IType t = getUltimateType( trg, tHolder, true );
IType sPrev= sHolder[0], tPrev= tHolder[0];
if( src instanceof IBasicType && trg instanceof IPointerType ){
//4.10-1 an integral constant expression of integer type that evaluates to 0 can be converted to a pointer type
@ -3195,17 +3177,6 @@ public class CPPSemantics {
}
}
} else if( sPrev instanceof IPointerType ){
IType tPrev = trg;
while( tPrev instanceof ITypeContainer ){
IType next = ((ITypeContainer)tPrev).getType();
while( next instanceof IQualifierType || next instanceof ITypedef ){
next = ((ITypeContainer)next).getType();
}
if( next == t )
break;
tPrev = next;
}
//4.10-2 an rvalue of type "pointer to cv T", where T is an object type can be
//converted to an rvalue of type "pointer to cv void"
if( tPrev instanceof IPointerType && t instanceof IBasicType && ((IBasicType)t).getType() == IBasicType.t_void ){