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Code Issues Wiki Activity

CVisitor.getReferences()

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This commit is contained in:
Andrew Niefer 2005-01-28 19:13:27 +00:00
parent 1b38920013
commit d0986d9ea0
2 changed files with 84 additions and 2 deletions
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3
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CASTTranslationUnit.java
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@ -109,8 +109,7 @@ public class CASTTranslationUnit extends CASTNode implements IASTTranslationUnit
* @see org.eclipse.cdt.core.dom.ast.IASTTranslationUnit#getReferences(org.eclipse.cdt.core.dom.ast.IBinding)
*/
public IASTName[] getReferences(IBinding binding) {
// TODO Auto-generated method stub
return null;
return CVisitor.getReferences( this, binding );
}

83
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
View file

@ -13,6 +13,7 @@ package org.eclipse.cdt.internal.core.dom.parser.c;
import java.util.List;
import org.eclipse.cdt.core.dom.ast.ASTNodeProperty;
import org.eclipse.cdt.core.dom.ast.IASTArrayDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTArrayModifier;
import org.eclipse.cdt.core.dom.ast.IASTArraySubscriptExpression;
@ -72,6 +73,7 @@ import org.eclipse.cdt.core.dom.ast.ILabel;
import org.eclipse.cdt.core.dom.ast.IParameter;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.ITypedef;
import org.eclipse.cdt.core.dom.ast.IVariable;
import org.eclipse.cdt.core.dom.ast.IASTEnumerationSpecifier.IASTEnumerator;
import org.eclipse.cdt.core.dom.ast.c.ICASTArrayDesignator;
@ -386,6 +388,76 @@ public class CVisitor {
}
}
public static class CollectReferencesAction extends CBaseVisitorAction {
private static final int DEFAULT_LIST_SIZE = 8;
private IASTName [] refs;
private IBinding binding;
private int idx = 0;
private int kind;
private static final int KIND_LABEL = 1;
private static final int KIND_OBJ_FN = 2;
private static final int KIND_TYPE = 3;
public CollectReferencesAction( IBinding binding ){
this.binding = binding;
this.refs = new IASTName[ DEFAULT_LIST_SIZE ];
processNames = true;
if( binding instanceof ILabel )
kind = KIND_LABEL;
else if( binding instanceof ICompositeType || binding instanceof ITypedef )
kind = KIND_TYPE;
else
kind = KIND_OBJ_FN;
}
public int processNames( IASTName name ){
ASTNodeProperty prop = name.getPropertyInParent();
switch( kind ){
case KIND_LABEL:
if( prop == IASTGotoStatement.NAME || prop == IASTLabelStatement.NAME )
break;
return PROCESS_CONTINUE;
case KIND_TYPE:
if( prop == IASTNamedTypeSpecifier.NAME )
break;
else if( prop == IASTElaboratedTypeSpecifier.TYPE_NAME ){
IASTNode p = name.getParent().getParent();
if( !(p instanceof IASTSimpleDeclaration) ||
((IASTSimpleDeclaration)p).getDeclarators().length > 0 )
{
break;
}
}
return PROCESS_CONTINUE;
case KIND_OBJ_FN:
if( prop == IASTIdExpression.ID_NAME || prop == IASTFieldReference.FIELD_NAME )
break;
return PROCESS_CONTINUE;
}
if( name.resolveBinding() == binding ){
if( refs.length == idx ){
IASTName [] temp = new IASTName[ refs.length * 2 ];
System.arraycopy( refs, 0, temp, 0, refs.length );
refs = temp;
}
refs[idx++] = name;
}
return PROCESS_CONTINUE;
}
public IASTName[] getReferences(){
if( idx < refs.length ){
IASTName [] temp = new IASTName[ idx ];
System.arraycopy( refs, 0, temp, 0, idx );
refs = temp;
}
return refs;
}
}
//lookup bits
private static final int COMPLETE = 0;
private static final int CURRENT_SCOPE = 1;
@ -1734,4 +1806,15 @@ public class CVisitor {
return action.getDeclarationNames();
}
/**
* @param unit
* @param binding
* @return
*/
public static IASTName[] getReferences(IASTTranslationUnit tu, IBinding binding) {
CollectReferencesAction action = new CollectReferencesAction( binding );
visitTranslationUnit( tu, action );
return action.getReferences();
}
}