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[cdt-patch] Parser - get rid of infinite loops
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CORE
Fixed Bug36532 - Hang on partial template definition.
Fixed Bug36432 - Trying to open attached source code hangs
Eclipse.
Fixed Bug36594 - Parser Stack Overflow on unaryExpression
Fixed Bug36600 - Elaborated Enumerated Types Parse Incorrectly.
TESTS
Added DOMTests::testBug36532().
Added DOMTests::testBug36432().
Added DOMTests::testBug36594().
Added DOMTests::testBug36600().
Added DOMTests::testArrayOfPointerToFunctions().
JohnC
Index: dom/org/eclipse/cdt/internal/core/dom/DOMBuilder.java
===================================================================
RCS file: /home/tools/org.eclipse.cdt.core/dom/org/eclipse/cdt/internal/core/dom/DOMBuilder.java,v
retrieving revision 1.23
diff -u -r1.23 DOMBuilder.java
--- dom/org/eclipse/cdt/internal/core/dom/DOMBuilder.java 16 Apr 2003 12:30:47 -0000 1.23
+++ dom/org/eclipse/cdt/internal/core/dom/DOMBuilder.java 16 Apr 2003 20:47:08 -0000
@@ -632,7 +632,7 @@
* @see org.eclipse.cdt.internal.core.parser.IParserCallback#enumSpecifierBegin(java.lang.Object)
*/
public Object enumSpecifierBegin(Object container, Token enumKey) {
- SimpleDeclaration decl = (SimpleDeclaration)container;
+ TypeSpecifier.IOwner decl = (TypeSpecifier.IOwner)container;
EnumerationSpecifier es = new EnumerationSpecifier( decl );
es.setStartToken(enumKey);
decl.setTypeSpecifier(es);
Index: dom/org/eclipse/cdt/internal/core/dom/EnumerationSpecifier.java
===================================================================
RCS file: /home/tools/org.eclipse.cdt.core/dom/org/eclipse/cdt/internal/core/dom/EnumerationSpecifier.java,v
retrieving revision 1.7
diff -u -r1.7 EnumerationSpecifier.java
--- dom/org/eclipse/cdt/internal/core/dom/EnumerationSpecifier.java 16 Apr 2003 12:30:47 -0000 1.7
+++ dom/org/eclipse/cdt/internal/core/dom/EnumerationSpecifier.java 16 Apr 2003 20:47:08 -0000
@@ -24,7 +24,7 @@
*/
public class EnumerationSpecifier extends TypeSpecifier implements IOffsetable {
- public EnumerationSpecifier(SimpleDeclaration declaration) {
+ public EnumerationSpecifier(IOwner declaration) {
super(declaration);
}
Index: parser/ChangeLog
===================================================================
RCS file: /home/tools/org.eclipse.cdt.core/parser/ChangeLog,v
retrieving revision 1.31
diff -u -r1.31 ChangeLog
--- parser/ChangeLog 16 Apr 2003 12:30:47 -0000 1.31
+++ parser/ChangeLog 16 Apr 2003 20:47:08 -0000
@@ -1,3 +1,9 @@
+2003-04-16 John Camelon
+ Fixed Bug36532 - Hang on partial template definition.
+ Fixed Bug36432 - Trying to open attached source code hangs Eclipse.
+ Fixed Bug36594 - Parser Stack Overflow on unaryExpression
+ Fixed Bug36600 - Elaborated Enumerated Types Parse Incorrectly.
+
2003-04-15 John Camelon
Fixed bug36434 - Broken outline in winbase.h
Partial Fix for bug36379 - The parser to set Line informations when scanning.
Index: parser/org/eclipse/cdt/internal/core/model/CModelBuilder.java
===================================================================
RCS file: /home/tools/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/model/CModelBuilder.java,v
retrieving revision 1.13
diff -u -r1.13 CModelBuilder.java
--- parser/org/eclipse/cdt/internal/core/model/CModelBuilder.java 16 Apr 2003 20:32:20 -0000 1.13
+++ parser/org/eclipse/cdt/internal/core/model/CModelBuilder.java 16 Apr 2003 20:47:08 -0000
@@ -38,6 +38,7 @@
import org.eclipse.cdt.internal.core.dom.ITemplateParameterListOwner;
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.ParameterDeclaration;
import org.eclipse.cdt.internal.core.dom.ParameterDeclarationClause;
@@ -80,8 +81,16 @@
System.out.println( "Parse Exception in Outline View" );
e.printStackTrace();
}
- long startTime = System.currentTimeMillis();
- generateModelElements(domBuilder.getTranslationUnit());
+ long startTime = System.currentTimeMillis();
+ try
+ {
+ generateModelElements(domBuilder.getTranslationUnit());
+ }
+ catch( NullPointerException npe )
+ {
+ System.out.println( "NullPointer exception generating CModel");
+ npe.printStackTrace();
+ }
System.out.println("CModel build: "+ ( System.currentTimeMillis() - startTime ) + "ms" );
return this.newElements;
}
@@ -343,7 +352,10 @@
protected TypeDef createTypeDef(Parent parent, Declarator declarator, SimpleDeclaration simpleDeclaration){
// create the element
- String declaratorName = declarator.getName().toString();
+ Name domName = ( declarator.getDeclarator() != null ) ? declarator.getDeclarator().getName() :
+ declarator.getName();
+ String declaratorName = domName.toString();
+
TypeDef element = new TypeDef( parent, declaratorName );
String type = getType(simpleDeclaration, declarator);
element.setTypeName(type);
@@ -352,21 +364,21 @@
parent.addChild((CElement)element);
// set positions
- element.setIdPos(declarator.getName().getStartOffset(), declarator.getName().length());
+ element.setIdPos(domName.getStartOffset(), domName.length());
element.setPos(simpleDeclaration.getStartingOffset(), simpleDeclaration.getTotalLength());
this.newElements.put(element, element.getElementInfo());
return element;
}
- protected VariableDeclaration createVariableSpecification(Parent parent, SimpleDeclaration simpleDeclaration, Declarator declarator){
- String declaratorName = declarator.getName().toString();
+ protected VariableDeclaration createVariableSpecification(Parent parent, SimpleDeclaration simpleDeclaration, Declarator declarator){
+ String variableName = declarator.getName().toString();
DeclSpecifier declSpecifier = simpleDeclaration.getDeclSpecifier();
VariableDeclaration element = null;
if(parent instanceof IStructure){
// field
- Field newElement = new Field( parent, declaratorName );
+ Field newElement = new Field( parent, variableName);
newElement.setMutable(declSpecifier.isMutable());
newElement.setVisibility(simpleDeclaration.getAccessSpecifier().getAccess());
element = newElement;
@@ -374,12 +386,12 @@
else {
if(declSpecifier.isExtern()){
// variableDeclaration
- VariableDeclaration newElement = new VariableDeclaration( parent, declaratorName );
+ VariableDeclaration newElement = new VariableDeclaration( parent, variableName );
element = newElement;
}
else {
// variable
- Variable newElement = new Variable( parent, declaratorName );
+ Variable newElement = new Variable( parent, variableName );
element = newElement;
}
}
Index: parser/org/eclipse/cdt/internal/core/parser/Parser.java
===================================================================
RCS file: /home/tools/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Parser.java,v
retrieving revision 1.31
diff -u -r1.31 Parser.java
--- parser/org/eclipse/cdt/internal/core/parser/Parser.java 16 Apr 2003 12:30:46 -0000 1.31
+++ parser/org/eclipse/cdt/internal/core/parser/Parser.java 16 Apr 2003 20:47:08 -0000
@@ -130,6 +130,7 @@
while (LT(1) != Token.tSEMI) {
consume();
}
+ consume();
}
/**
@@ -340,6 +341,7 @@
} catch( Backtrack bt )
{
try { callback.templateDeclarationAbort( templateDeclaration ); } catch( Exception e ) {}
+ throw bt;
}
}
@@ -639,6 +641,7 @@
protected void parameterDeclaration( Object containerObject ) throws Backtrack
{
+ Token current = LA(1);
Object parameterDecl = null;
try{ parameterDecl = callback.parameterDeclarationBegin( containerObject );} catch( Exception e ) {}
declSpecifierSeq( parameterDecl, true );
@@ -647,10 +650,13 @@
try {
Object declarator = initDeclarator(parameterDecl);
+
} catch (Backtrack b) {
// allowed to be empty
}
-
+
+ if( current == LA(1) )
+ throw backtrack;
try{ callback.parameterDeclarationEnd( parameterDecl );} catch( Exception e ) {}
}
@@ -944,6 +950,7 @@
*/
protected Object initDeclarator( Object owner ) throws Backtrack {
Object declarator = declarator( owner );
+
// handle = initializerClause
if (LT(1) == Token.tASSIGN) {
@@ -1347,6 +1354,7 @@
protected void enumSpecifier( Object owner ) throws Backtrack
{
Object enumSpecifier = null;
+ Token mark = mark();
try{ enumSpecifier = callback.enumSpecifierBegin( owner, consume( Token.t_enum ) );} catch( Exception e ) {}
if( LT(1) == Token.tIDENTIFIER )
@@ -1402,6 +1410,7 @@
else
{
// enumSpecifierAbort
+ backup(mark);
throw backtrack;
}
@@ -2008,8 +2017,9 @@
try{ callback.expressionOperator(expression, t);} catch( Exception e ) {}
return;
case Token.t_sizeof:
+ consume(Token.t_sizeof);
if (LT(1) == Token.tLPAREN) {
- consume();
+ consume( Token.tLPAREN );
typeId();
consume(Token.tRPAREN);
} else {
Index: ChangeLog
===================================================================
RCS file: /home/tools/org.eclipse.cdt.ui.tests/ChangeLog,v
retrieving revision 1.30
diff -u -r1.30 ChangeLog
--- ChangeLog 16 Apr 2003 13:52:08 -0000 1.30
+++ ChangeLog 16 Apr 2003 20:47:23 -0000
@@ -1,3 +1,10 @@
+2003-04-16 John Camelon
+ Added DOMTests::testBug36532().
+ Added DOMTests::testBug36432().
+ Added DOMTests::testBug36594().
+ Added DOMTests::testBug36600().
+ Added DOMTests::testArrayOfPointerToFunctions().
+
2003-04-15 John Camelon
Added ScannerTestCase::testBug36434().
Added ScannerTestCase::testMultipleLines().
Index: parser/org/eclipse/cdt/core/parser/tests/DOMTests.java
===================================================================
RCS file: /home/tools/org.eclipse.cdt.ui.tests/parser/org/eclipse/cdt/core/parser/tests/DOMTests.java,v
retrieving revision 1.21
diff -u -r1.21 DOMTests.java
--- parser/org/eclipse/cdt/core/parser/tests/DOMTests.java 16 Apr 2003 12:30:40 -0000 1.21
+++ parser/org/eclipse/cdt/core/parser/tests/DOMTests.java 16 Apr 2003 20:47:24 -0000
@@ -1264,6 +1264,54 @@
assertEquals( clause.getDeclarations().size(), 3 );
}
+ public void testBug36532() throws Exception
+ {
+ try
+ {
+ TranslationUnit tu = parse( "template<int f() {\n" );
+ fail( "We should not make it this far");
+ }
+ catch( ParserException pe )
+ {
+ }
+ catch( Exception e )
+ {
+ fail( "We should have gotten a ParserException rather than" + e);
+ }
+ }
+
+ public void testBug36432() throws Exception
+ {
+ Writer code = new StringWriter();
+ code.write( "#define CMD_GET \"g\"\n" );
+ code.write( "#define CMD_ACTION \"a\"\n" );
+ code.write( "#define CMD_QUIT \"q\"\n" );
+ code.write( "static const memevent_cmd_func memevent_cmd_funcs[sizeof memevent_cmds - 1] = {\n");
+ code.write( "memevent_get,\n");
+ code.write( "memevent_action,\n");
+ code.write( "memevent_quit,\n");
+ code.write( "};\n");
+ TranslationUnit tu = parse( code.toString() );
+ assertEquals( tu.getDeclarations().size(), 1 );
+ }
+
+ public void testBug36594() throws Exception
+ {
+ TranslationUnit tu = parse( "const int n = sizeof(A) / sizeof(B);");
+ assertEquals( tu.getDeclarations().size(), 1 );
+ }
+
+ public void testArrayOfPointerToFunctions() throws Exception
+ {
+ TranslationUnit tu = parse( "unsigned char (*main_data)[MAD_BUFFER_MDLEN];");
+ }
+
+ public void testBug36600() throws Exception
+ {
+ TranslationUnit tu = parse( "enum mad_flow (*input_func)(void *, struct mad_stream *);");
+
+ }
+
public void testBug36247() throws Exception
{
Writer code = new StringWriter();
