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Fix NPE bug 36976.

This commit is contained in:
Alain Magloire 2003-04-26 23:39:33 +00:00
parent 452d55abef
commit c8cfea5fba

View file

@ -11,7 +11,6 @@
package org.eclipse.cdt.internal.ui.compare;
import java.util.Iterator;
import java.util.List;
@ -26,6 +25,7 @@ import org.eclipse.cdt.internal.core.dom.EnumerationSpecifier;
import org.eclipse.cdt.internal.core.dom.IOffsetable;
import org.eclipse.cdt.internal.core.dom.Inclusion;
import org.eclipse.cdt.internal.core.dom.Macro;
import org.eclipse.cdt.internal.core.dom.Name;
import org.eclipse.cdt.internal.core.dom.NamespaceDefinition;
import org.eclipse.cdt.internal.core.dom.ParameterDeclarationClause;
import org.eclipse.cdt.internal.core.dom.SimpleDeclaration;
@ -35,7 +35,6 @@ import org.eclipse.cdt.internal.core.dom.TypeSpecifier;
import org.eclipse.cdt.internal.core.parser.Parser;
import org.eclipse.cdt.internal.parser.IStructurizerCallback;
/**
* @author alain
* TODO: this should be remove when the new parser provides proper callbacks.
@ -46,7 +45,6 @@ public class ComparatorModelBuilder {
IStructurizerCallback callback;
String code;
/**
*/
public ComparatorModelBuilder(IStructurizerCallback cb, String buffer) {
@ -66,36 +64,35 @@ public class ComparatorModelBuilder {
generateModelElements(domBuilder.getTranslationUnit());
}
protected void generateModelElements(TranslationUnit tu){
protected void generateModelElements(TranslationUnit tu) {
Iterator i = tu.iterateOffsetableElements();
while (i.hasNext()){
IOffsetable offsetable = (IOffsetable)i.next();
if (offsetable instanceof Inclusion){
while (i.hasNext()) {
IOffsetable offsetable = (IOffsetable) i.next();
if (offsetable instanceof Inclusion) {
createInclusion((Inclusion) offsetable);
}
else if (offsetable instanceof Macro){
} else if (offsetable instanceof Macro) {
createMacro((Macro) offsetable);
}else if(offsetable instanceof Declaration){
generateModelElements ((Declaration) offsetable);
} else if (offsetable instanceof Declaration) {
generateModelElements((Declaration) offsetable);
}
}
}
protected void generateModelElements (Declaration declaration){
protected void generateModelElements(Declaration declaration) {
// Namespace Definition
if (declaration instanceof NamespaceDefinition){
if (declaration instanceof NamespaceDefinition) {
NamespaceDefinition nsDef = (NamespaceDefinition) declaration;
createNamespace(nsDef);
List nsDeclarations = nsDef.getDeclarations();
Iterator nsDecls = nsDeclarations.iterator();
while (nsDecls.hasNext()){
while (nsDecls.hasNext()) {
Declaration subNsDeclaration = (Declaration) nsDecls.next();
generateModelElements(subNsDeclaration);
}
}// end Namespace Definition
} // end Namespace Definition
// Simple Declaration
if (declaration instanceof SimpleDeclaration){
if (declaration instanceof SimpleDeclaration) {
SimpleDeclaration simpleDeclaration = (SimpleDeclaration) declaration;
/*-------------------------------------------
@ -103,17 +100,17 @@ public class ComparatorModelBuilder {
*-------------------------------------------*/
TypeSpecifier typeSpec = simpleDeclaration.getTypeSpecifier();
// Enumeration
if (typeSpec instanceof EnumerationSpecifier){
if (typeSpec instanceof EnumerationSpecifier) {
EnumerationSpecifier enumSpecifier = (EnumerationSpecifier) typeSpec;
createEnumeration (enumSpecifier);
} else if (typeSpec instanceof ClassSpecifier){ // Structure
createEnumeration(enumSpecifier);
} else if (typeSpec instanceof ClassSpecifier) { // Structure
ClassSpecifier classSpecifier = (ClassSpecifier) typeSpec;
createClass (simpleDeclaration, classSpecifier, false);
createClass(simpleDeclaration, classSpecifier, false);
// create the sub declarations
List declarations = classSpecifier.getDeclarations();
Iterator j = declarations.iterator();
while (j.hasNext()){
Declaration subDeclaration = (Declaration)j.next();
while (j.hasNext()) {
Declaration subDeclaration = (Declaration) j.next();
generateModelElements(subDeclaration);
} // end while j
}
@ -122,140 +119,181 @@ public class ComparatorModelBuilder {
* ----------------------------------------*/
List declarators = simpleDeclaration.getDeclarators();
Iterator d = declarators.iterator();
while (d.hasNext()){
Declarator declarator = (Declarator)d.next();
while (d.hasNext()) {
Declarator declarator = (Declarator) d.next();
createElement(simpleDeclaration, declarator);
} // end while d
} // end if SimpleDeclaration
// Template Declaration
if(declaration instanceof TemplateDeclaration){
TemplateDeclaration templateDeclaration = (TemplateDeclaration)declaration;
SimpleDeclaration simpleDeclaration = (SimpleDeclaration)templateDeclaration.getDeclarations().get(0);
if (declaration instanceof TemplateDeclaration) {
TemplateDeclaration templateDeclaration = (TemplateDeclaration) declaration;
SimpleDeclaration simpleDeclaration = (SimpleDeclaration) templateDeclaration.getDeclarations().get(0);
TypeSpecifier typeSpec = simpleDeclaration.getTypeSpecifier();
if (typeSpec instanceof ClassSpecifier){
if (typeSpec instanceof ClassSpecifier) {
ClassSpecifier classSpecifier = (ClassSpecifier) typeSpec;
createClass(simpleDeclaration, classSpecifier, true);
// create the sub declarations
List declarations = classSpecifier.getDeclarations();
Iterator j = declarations.iterator();
while (j.hasNext()){
Declaration subDeclaration = (Declaration)j.next();
while (j.hasNext()) {
Declaration subDeclaration = (Declaration) j.next();
generateModelElements(subDeclaration);
} // end while j
}
List declarators = simpleDeclaration.getDeclarators();
Iterator d = declarators.iterator();
while (d.hasNext()){
Declarator declarator = (Declarator)d.next();
while (d.hasNext()) {
Declarator declarator = (Declarator) d.next();
createTemplateElement(templateDeclaration, simpleDeclaration, declarator);
} // end while d
}// end Template Declaration
} // end Template Declaration
}
private void createElement(SimpleDeclaration simpleDeclaration, Declarator declarator){
private void createElement(SimpleDeclaration simpleDeclaration, Declarator declarator) {
// typedef
if (simpleDeclaration.getDeclSpecifier().isTypedef()){
if (simpleDeclaration.getDeclSpecifier().isTypedef()) {
createTypeDef(declarator, simpleDeclaration);
} else {
ParameterDeclarationClause pdc = declarator.getParms();
if (pdc == null){
if (pdc == null) {
createVariableSpecification(simpleDeclaration, declarator);
}
else{
} else {
createFunctionSpecification(simpleDeclaration, declarator, pdc, false);
}
}
}
private void createTemplateElement(TemplateDeclaration templateDeclaration, SimpleDeclaration simpleDeclaration, Declarator declarator){
private void createTemplateElement(
TemplateDeclaration templateDeclaration,
SimpleDeclaration simpleDeclaration,
Declarator declarator) {
// TODO: no template in the old parser
ParameterDeclarationClause pdc = declarator.getParms();
if (pdc != null){
if (pdc != null) {
createFunctionSpecification(simpleDeclaration, declarator, pdc, true);
}
}
private void createInclusion(Inclusion inclusion){
callback.includeDecl(inclusion.getName(), inclusion.getStartingOffset(), inclusion.getTotalLength(),0, 0);
private void createInclusion(Inclusion inclusion) {
callback.includeDecl(inclusion.getName(), inclusion.getStartingOffset(), inclusion.getTotalLength(), 0, 0);
}
private void createMacro(Macro macro){
private void createMacro(Macro macro) {
callback.defineDecl(macro.getName(), macro.getStartingOffset(), macro.getTotalLength(), 0, 0);
}
private void createNamespace(NamespaceDefinition nsDef){
private void createNamespace(NamespaceDefinition nsDef) {
// TODO: the old parser callback does not know about namespace.
}
private void createEnumeration(EnumerationSpecifier enumSpecifier){
callback.structDeclBegin(enumSpecifier.getName().toString(), ICElement.C_ENUMERATION,
enumSpecifier.getName().getStartOffset(), enumSpecifier.getName().length(),
enumSpecifier.getStartingOffset(), 0, 0);
private void createEnumeration(EnumerationSpecifier enumSpecifier) {
callback.structDeclBegin(
enumSpecifier.getName().toString(),
ICElement.C_ENUMERATION,
enumSpecifier.getName().getStartOffset(),
enumSpecifier.getName().length(),
enumSpecifier.getStartingOffset(),
0,
0);
callback.structDeclEnd(enumSpecifier.getTotalLength(), 0);
}
private void createClass(SimpleDeclaration simpleDeclaration, ClassSpecifier classSpecifier, boolean isTemplate){
private void createClass(SimpleDeclaration simpleDeclaration, ClassSpecifier classSpecifier, boolean isTemplate) {
// create element
String className = (classSpecifier.getName() == null ) ? "" : classSpecifier.getName().toString();
String className = (classSpecifier.getName() == null) ? "" : classSpecifier.getName().toString();
int kind;
switch( classSpecifier.getClassKey() )
{
case ClassKey.t_class:
switch (classSpecifier.getClassKey()) {
case ClassKey.t_class :
kind = ICElement.C_CLASS;
break;
case ClassKey.t_struct:
case ClassKey.t_struct :
kind = ICElement.C_STRUCT;
break;
default:
default :
kind = ICElement.C_UNION;
break;
}
// set element position
if( classSpecifier.getName() != null )
{
callback.structDeclBegin(className, kind,
classSpecifier.getName().getStartOffset(), classSpecifier.getName().length(),
classSpecifier.getStartingOffset(), 0, 0);
}
else
{
callback.structDeclBegin(className, kind,
classSpecifier.getClassKeyToken().getOffset(), classSpecifier.getClassKeyToken().getLength(),
classSpecifier.getStartingOffset(), 0, 0);
if (classSpecifier.getName() != null) {
callback.structDeclBegin(
className,
kind,
classSpecifier.getName().getStartOffset(),
classSpecifier.getName().length(),
classSpecifier.getStartingOffset(),
0,
0);
} else {
callback.structDeclBegin(
className,
kind,
classSpecifier.getClassKeyToken().getOffset(),
classSpecifier.getClassKeyToken().getLength(),
classSpecifier.getStartingOffset(),
0,
0);
}
callback.structDeclBegin(className, kind,
classSpecifier.getClassKeyToken().getOffset(), classSpecifier.getClassKeyToken().getLength(),
classSpecifier.getStartingOffset(), 0, 0);
callback.structDeclBegin(
className,
kind,
classSpecifier.getClassKeyToken().getOffset(),
classSpecifier.getClassKeyToken().getLength(),
classSpecifier.getStartingOffset(),
0,
0);
callback.structDeclEnd(classSpecifier.getTotalLength(), 0);
}
private void createTypeDef(Declarator declarator, SimpleDeclaration simpleDeclaration){
private void createTypeDef(Declarator declarator, SimpleDeclaration simpleDeclaration) {
// TODO:No typedef in the old callback
String declaratorName = declarator.getName().toString();
callback.fieldDecl(declaratorName,
declarator.getName().getStartOffset(), declarator.getName().length(),
simpleDeclaration.getStartingOffset(), simpleDeclaration.getTotalLength(),
0, 0, 0);
Name domName = (declarator.getDeclarator() != null) ? declarator.getDeclarator().getName() : declarator.getName();
String declaratorName = domName.toString();
callback.fieldDecl(
declaratorName,
domName.getStartOffset(),
domName.length(),
simpleDeclaration.getStartingOffset(),
simpleDeclaration.getTotalLength(),
0,
0,
0);
}
private void createVariableSpecification(SimpleDeclaration simpleDeclaration, Declarator declarator){
String declaratorName = declarator.getName().toString();
callback.fieldDecl(declaratorName, declarator.getName().getStartOffset(), declarator.getName().length(),
simpleDeclaration.getStartingOffset(), simpleDeclaration.getTotalLength(), 0, 0, 0);
private void createVariableSpecification(SimpleDeclaration simpleDeclaration, Declarator declarator) {
Name domName = (declarator.getDeclarator() != null) ? declarator.getDeclarator().getName() : declarator.getName();
String declaratorName = domName.toString();
callback.fieldDecl(
declaratorName,
domName.getStartOffset(),
domName.length(),
simpleDeclaration.getStartingOffset(),
simpleDeclaration.getTotalLength(),
0,
0,
0);
}
private void createFunctionSpecification(SimpleDeclaration simpleDeclaration, Declarator declarator, ParameterDeclarationClause pdc, boolean isTemplate){
String declaratorName = declarator.getName().toString();
callback.functionDeclBegin(declaratorName,
declarator.getName().getStartOffset(), declarator.getName().length(),
simpleDeclaration.getStartingOffset(), 0, 0, 0);
private void createFunctionSpecification(
SimpleDeclaration simpleDeclaration,
Declarator declarator,
ParameterDeclarationClause pdc,
boolean isTemplate) {
Name domName = (declarator.getDeclarator() != null) ? declarator.getDeclarator().getName() : declarator.getName();
String declaratorName = domName.toString();
callback.functionDeclBegin(
declaratorName,
domName.getStartOffset(),
domName.length(),
simpleDeclaration.getStartingOffset(),
0,
0,
0);
callback.functionDeclEnd(simpleDeclaration.getTotalLength(), 0, simpleDeclaration.isFunctionDefinition());
}
}