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Code Issues Wiki Activity

refactor CVisitor.getContainingScope to be less recursive

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This commit is contained in:
Andrew Niefer 2005-02-17 16:36:24 +00:00
parent 748be7f1ca
commit f617b88f25
1 changed files with 36 additions and 59 deletions
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95
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
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@ -937,46 +937,44 @@ public class CVisitor {
} }
public static IScope getContainingScope( IASTNode node ){ public static IScope getContainingScope( IASTNode node ){
if( node instanceof IASTDeclaration ) if( node == null )
return getContainingScope( (IASTDeclaration) node ); return null;
else if( node instanceof IASTStatement ) while( node != null ){
return getContainingScope( (IASTStatement) node ); if( node instanceof IASTDeclaration ){
else if( node instanceof IASTDeclSpecifier ) IASTNode parent = node.getParent();
return getContainingScope( (IASTDeclSpecifier) node ); if( parent instanceof IASTTranslationUnit ){
else if( node instanceof IASTParameterDeclaration ) return ((IASTTranslationUnit)parent).getScope();
return getContainingScope( (IASTParameterDeclaration) node ); } else if( parent instanceof IASTDeclarationStatement ){
else if( node instanceof IASTEnumerator ){ return getContainingScope( (IASTStatement) parent );
//put the enumerators in the same scope as the enumeration } else if( parent instanceof IASTForStatement ){
return getContainingScope( (IASTEnumerationSpecifier) node.getParent() ); return ((IASTForStatement)parent).getScope();
} } else if( parent instanceof IASTCompositeTypeSpecifier ){
return ((IASTCompositeTypeSpecifier)parent).getScope();
return null; } else if( parent instanceof ICASTKnRFunctionDeclarator ){
} parent = ((IASTDeclarator)parent).getParent();
/** if ( parent instanceof IASTFunctionDefinition ) {
* @param declaration return ((IASTCompoundStatement)((IASTFunctionDefinition)parent).getBody()).getScope();
* @return }
*/
public static IScope getContainingScope(IASTDeclaration declaration) {
IASTNode parent = declaration.getParent();
if( parent instanceof IASTTranslationUnit ){
return ((IASTTranslationUnit)parent).getScope();
} else if( parent instanceof IASTDeclarationStatement ){
return getContainingScope( (IASTStatement) parent );
} else if( parent instanceof IASTForStatement ){
return ((IASTForStatement)parent).getScope();
} else if( parent instanceof IASTCompositeTypeSpecifier ){
return ((IASTCompositeTypeSpecifier)parent).getScope();
} else if( parent instanceof ICASTKnRFunctionDeclarator ){
parent = declaration.getParent();
if( parent instanceof ICASTKnRFunctionDeclarator ){
parent = ((IASTDeclarator)parent).getParent();
if ( parent instanceof IASTFunctionDefinition ) {
return ((IASTCompoundStatement)((IASTFunctionDefinition)parent).getBody()).getScope();
} }
} } else if( node instanceof IASTStatement )
return getContainingScope( (IASTStatement) node );
else if( node instanceof IASTParameterDeclaration ){
IASTNode parent = node.getParent();
if( parent instanceof IASTStandardFunctionDeclarator ){
parent = ((IASTDeclarator)parent).getParent();
if ( parent instanceof IASTFunctionDefinition ) {
return ((IASTCompoundStatement)((IASTFunctionDefinition)parent).getBody()).getScope();
}
}
}
else if( node instanceof IASTEnumerator ){
//put the enumerators in the same scope as the enumeration
node = node.getParent();
}
node = node.getParent();
} }
return null;
return null;
} }
public static IScope getContainingScope( IASTStatement statement ){ public static IScope getContainingScope( IASTStatement statement ){
@ -1011,27 +1009,6 @@ public class CVisitor {
return scope; return scope;
} }
public static IScope getContainingScope( IASTDeclSpecifier compTypeSpec ){
IASTNode parent = compTypeSpec.getParent();
return getContainingScope( parent );
}
/**
* @param parameterDeclaration
* @return
*/
public static IScope getContainingScope(IASTParameterDeclaration parameterDeclaration) {
IASTNode parent = parameterDeclaration.getParent();
if( parent instanceof IASTStandardFunctionDeclarator ){
parent = ((IASTDeclarator)parent).getParent();
if ( parent instanceof IASTFunctionDefinition ) {
return ((IASTCompoundStatement)((IASTFunctionDefinition)parent).getBody()).getScope();
}
}
return null;
}
private static IASTNode getContainingBlockItem( IASTNode node ){ private static IASTNode getContainingBlockItem( IASTNode node ){
IASTNode parent = node.getParent(); IASTNode parent = node.getParent();
if( parent instanceof IASTDeclaration ){ if( parent instanceof IASTDeclaration ){