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Code Issues Wiki Activity

Relax type comparisons a bit around defered class template instances, especially in derived to base conversions. fixes a couple hundred problems parsing iostream.

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This commit is contained in:
Andrew Niefer 2005-05-24 15:38:33 +00:00
parent 3784acdac1
commit d1d753ba3a
3 changed files with 46 additions and 15 deletions
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19
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
View file

@ -1570,4 +1570,23 @@ public class AST2TemplateTests extends AST2BaseTest {
assertSame( ((ICPPTemplateInstance)f2).getTemplateDefinition(), f );
}
public void testRelaxationForTemplateInheritance() throws Exception {
StringBuffer buffer = new StringBuffer();
buffer.append("template < class T > class A {}; \n"); //$NON-NLS-1$
buffer.append("template < class T > class B { \n"); //$NON-NLS-1$
buffer.append(" void init( A<T> * ); \n"); //$NON-NLS-1$
buffer.append("}; \n"); //$NON-NLS-1$
buffer.append("template < class T > class C : public B<T> { \n"); //$NON-NLS-1$
buffer.append(" C( A<T> * a ) { \n"); //$NON-NLS-1$
buffer.append(" init( a ); \n"); //$NON-NLS-1$
buffer.append(" } \n"); //$NON-NLS-1$
buffer.append("}; \n"); //$NON-NLS-1$
IASTTranslationUnit tu = parse( buffer.toString(), ParserLanguage.CPP );
CPPNameCollector col = new CPPNameCollector();
tu.accept( col );
ICPPMethod init = (ICPPMethod) col.getName(4).resolveBinding();
assertSame( init, col.getName(19).resolveBinding() );
}
}

37
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPDeferredClassInstance.java
View file

@ -45,14 +45,14 @@ public class CPPDeferredClassInstance extends CPPInstance implements ICPPClassTy
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getBases()
*/
public ICPPBase[] getBases() {
return ICPPBase.EMPTY_BASE_ARRAY;
public ICPPBase[] getBases() throws DOMException {
return ((ICPPClassType) classTemplate).getBases();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.ICompositeType#getFields()
*/
public IField[] getFields() throws DOMException {
public IField[] getFields() {
// TODO Auto-generated method stub
return null;
}
@ -60,7 +60,7 @@ public class CPPDeferredClassInstance extends CPPInstance implements ICPPClassTy
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.ICompositeType#findField(java.lang.String)
*/
public IField findField(String name) throws DOMException {
public IField findField(String name) {
// TODO Auto-generated method stub
return null;
}
@ -68,7 +68,7 @@ public class CPPDeferredClassInstance extends CPPInstance implements ICPPClassTy
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getDeclaredFields()
*/
public ICPPField[] getDeclaredFields() throws DOMException {
public ICPPField[] getDeclaredFields() {
// TODO Auto-generated method stub
return null;
}
@ -76,7 +76,7 @@ public class CPPDeferredClassInstance extends CPPInstance implements ICPPClassTy
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getMethods()
*/
public ICPPMethod[] getMethods() throws DOMException {
public ICPPMethod[] getMethods() {
// TODO Auto-generated method stub
return null;
}
@ -84,7 +84,7 @@ public class CPPDeferredClassInstance extends CPPInstance implements ICPPClassTy
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getAllDeclaredMethods()
*/
public ICPPMethod[] getAllDeclaredMethods() throws DOMException {
public ICPPMethod[] getAllDeclaredMethods() {
// TODO Auto-generated method stub
return null;
}
@ -92,7 +92,7 @@ public class CPPDeferredClassInstance extends CPPInstance implements ICPPClassTy
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getDeclaredMethods()
*/
public ICPPMethod[] getDeclaredMethods() throws DOMException {
public ICPPMethod[] getDeclaredMethods() {
// TODO Auto-generated method stub
return null;
}
@ -100,14 +100,14 @@ public class CPPDeferredClassInstance extends CPPInstance implements ICPPClassTy
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getConstructors()
*/
public ICPPConstructor[] getConstructors() throws DOMException {
public ICPPConstructor[] getConstructors() {
return ICPPConstructor.EMPTY_CONSTRUCTOR_ARRAY;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getFriends()
*/
public IBinding[] getFriends() throws DOMException {
public IBinding[] getFriends() {
// TODO Auto-generated method stub
return null;
}
@ -124,8 +124,7 @@ public class CPPDeferredClassInstance extends CPPInstance implements ICPPClassTy
* @see org.eclipse.cdt.core.dom.ast.ICompositeType#getKey()
*/
public int getKey() throws DOMException {
// TODO Auto-generated method stub
return 0;
return ((ICPPClassType)classTemplate).getKey();
}
/* (non-Javadoc)
@ -165,7 +164,17 @@ public class CPPDeferredClassInstance extends CPPInstance implements ICPPClassTy
* @see org.eclipse.cdt.core.dom.ast.IType#isSameType(org.eclipse.cdt.core.dom.ast.IType)
*/
public boolean isSameType(IType type) {
// TODO Auto-generated method stub
return type == this;
if( type == this )
return true;
//allow some fuzziness here.
if( !(type instanceof CPPDeferredClassInstance ) )
return false;
ICPPClassTemplate typeClass = (ICPPClassTemplate) ((CPPDeferredClassInstance)type).getSpecializedBinding();
if( typeClass != classTemplate )
return false;
return true;
}
}

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

@ -2844,7 +2844,10 @@ public class CPPSemantics {
parent = bases[i].getBaseClass();
boolean isVisible = ( wrapper.getVisibility() == ICPPBase.v_public);
if( parent == clsBase ){
if( parent.isSameType( clsBase ) ||
(clsBase instanceof ICPPSpecialization && //allow some flexibility with templates
((IType)((ICPPSpecialization)clsBase).getSpecializedBinding()).isSameType( parent ) ) )
{
if( needVisibility && !isVisible )
return -1;
return 1;