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Code Issues Wiki Activity

turn off externally linked variables for C (77383)

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This commit is contained in:
Andrew Niefer 2005-05-27 20:11:05 +00:00
parent 97ac9f71a0
commit 2e7ff71a7e
2 changed files with 29 additions and 26 deletions
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42
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java
View file

@ -2468,27 +2468,28 @@ public class AST2Tests extends AST2BaseTest {
assertFalse(mod.isRestrict());
assertFalse(mod.isVolatile());
}
public void testExternalVariable() throws Exception {
StringBuffer buffer = new StringBuffer();
buffer.append("void f() { \n"); //$NON-NLS-1$
buffer.append(" if( a == 0 ) \n"); //$NON-NLS-1$
buffer.append(" a = a + 3; \n"); //$NON-NLS-1$
buffer.append("} \n"); //$NON-NLS-1$
IASTTranslationUnit tu = parse(buffer.toString(), ParserLanguage.C);
CNameCollector col = new CNameCollector();
tu.accept(col);
IVariable a = (IVariable) col.getName(1).resolveBinding();
assertNotNull(a);
assertTrue(a instanceof ICExternalBinding);
assertInstances(col, a, 3);
}
//AJN: bug 77383 don't do external variables
// public void testExternalVariable() throws Exception {
// StringBuffer buffer = new StringBuffer();
// buffer.append("void f() { \n"); //$NON-NLS-1$
// buffer.append(" if( a == 0 ) \n"); //$NON-NLS-1$
// buffer.append(" a = a + 3; \n"); //$NON-NLS-1$
// buffer.append("} \n"); //$NON-NLS-1$
//
// IASTTranslationUnit tu = parse(buffer.toString(), ParserLanguage.C);
// CNameCollector col = new CNameCollector();
// tu.accept(col);
//
// IVariable a = (IVariable) col.getName(1).resolveBinding();
// assertNotNull(a);
// assertTrue(a instanceof ICExternalBinding);
// assertInstances(col, a, 3);
// }
public void testExternalDefs() throws Exception {
StringBuffer buffer = new StringBuffer();
buffer.append("void f() { \n"); //$NON-NLS-1$
buffer.append(" int a = 1; \n"); //$NON-NLS-1$
buffer.append(" if( a == 0 ) \n"); //$NON-NLS-1$
buffer.append(" g( a ); \n"); //$NON-NLS-1$
buffer.append(" if( a < 0 ) \n"); //$NON-NLS-1$
@ -2502,14 +2503,13 @@ public class AST2Tests extends AST2BaseTest {
tu.accept(col);
IVariable a = (IVariable) col.getName(1).resolveBinding();
IFunction g = (IFunction) col.getName(2).resolveBinding();
IFunction g = (IFunction) col.getName(3).resolveBinding();
assertNotNull(a);
assertNotNull(g);
assertTrue(a instanceof ICExternalBinding);
assertTrue(g instanceof ICExternalBinding);
assertEquals(col.size(), 10);
assertInstances(col, a, 6);
assertEquals(col.size(), 11);
assertInstances(col, a, 7);
assertInstances(col, g, 3);
}

15
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
View file

@ -937,7 +937,7 @@ public class CVisitor {
IASTNode blockItem = getContainingBlockItem( node );
try {
IBinding binding = (IBinding) findBinding( blockItem, ((IASTIdExpression)node).getName(), bits );
if( binding instanceof IType ){
if( binding instanceof IType && !(binding instanceof IProblemBinding) ){
return new ProblemBinding( node, IProblemBinding.SEMANTIC_INVALID_TYPE, binding.getNameCharArray() );
}
return binding;
@ -1135,7 +1135,7 @@ public class CVisitor {
}
/**
* if (bits | PREFIX_LOOKUP) then returns IBinding []
* if (bits & PREFIX_LOOKUP) then returns IBinding []
* otherwise returns IBinding
*/
protected static Object findBinding( IASTNode blockItem, IASTName name, int bits ) throws DOMException{
@ -1274,11 +1274,14 @@ public class CVisitor {
if( parent.getPropertyInParent() == IASTFunctionCallExpression.FUNCTION_NAME ){
//external function
external = new CExternalFunction( tu, name );
} else {
//external variable
external = new CExternalVariable( tu, name );
((CScope)tu.getScope()).addName( name );
}
else {
//external variable
//external = new CExternalVariable( tu, name );
//((CScope)tu.getScope()).addName( name );
external = new ProblemBinding( name, IProblemBinding.SEMANTIC_NAME_NOT_FOUND, name.toCharArray() );
}
((CScope)tu.getScope()).addName( name );
}
return external;
}