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Patch for Andrew Niefer.

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Added support to the parser symbol table for namespace aliases.

tests:
        added ParserSymbolTableTest.testNamespaceAlias()
        added ParserSymbolTableTest.testUsingNamespaceAlias()
This commit is contained in:
John Camelon 2003-09-02 20:05:20 +00:00
parent 08ceac730e
commit 7ce8f5c91e
4 changed files with 108 additions and 3 deletions
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4
core/org.eclipse.cdt.core.tests/ChangeLog
View file

@ -2,6 +2,10 @@
Modified CCompletionProposalsTest to complete on a body file
that includes a header file.
2003-09-02 Andrew Niefer
added ParserSymbolTableTest.testNamespaceAlias()
added ParserSymbolTableTest.testUsingNamespaceAlias()
2003-08-28 Andrew Niefer
Modified BaseSearchTest.setup to properly include the "include.h" file

74
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ParserSymbolTableTest.java
View file

@ -2204,6 +2204,7 @@ public class ParserSymbolTableTest extends TestCase {
*
* @throws Exception
*/
//TODO
public void incompletetestTemplateSpecialization() throws Exception{
newTable();
@ -2502,5 +2503,78 @@ public class ParserSymbolTableTest extends TestCase {
assertEquals( lookup, constructor2 );
}
/**
*
* @throws Exception
*
* namespace A
* {
* int x;
* }
* namespace B = A;
*
* ++B::x;
*/
public void testNamespaceAlias() throws Exception{
newTable();
IContainerSymbol NSA = table.newContainerSymbol( "A", TypeInfo.t_namespace );
table.getCompilationUnit().addSymbol( NSA );
ISymbol x = table.newSymbol( "x", TypeInfo.t_int );
NSA.addSymbol( x );
IContainerSymbol NSB = table.newContainerSymbol( "B", TypeInfo.t_namespace );
NSB.setTypeSymbol( NSA ); //alias B to A
table.getCompilationUnit().addSymbol( NSB );
ISymbol lookup = table.getCompilationUnit().lookup( "B" );
assertEquals( lookup, NSB );
lookup = NSB.lookup( "x" );
assertEquals( lookup, x );
}
/**
*
* @throws Exception
* namespace A
* {
* void f( );
* }
* namespace B = A;
*
* B::f();
*
* using namespace B;
* f();
*/
public void testUsingNamespaceAlias() throws Exception{
newTable();
IContainerSymbol NSA = table.newContainerSymbol( "A", TypeInfo.t_namespace );
table.getCompilationUnit().addSymbol( NSA );
IParameterizedSymbol f = table.newParameterizedSymbol( "f", TypeInfo.t_function );
f.setReturnType( table.newSymbol( "", TypeInfo.t_void ) );
NSA.addSymbol( f );
IContainerSymbol NSB = table.newContainerSymbol( "B", TypeInfo.t_namespace );
NSB.setTypeSymbol( NSA );
table.getCompilationUnit().addSymbol( NSB );
//look for function that has no parameters
LinkedList paramList = new LinkedList();
ISymbol look = NSB.qualifiedFunctionLookup( "f", paramList );
assertEquals( look, f );
table.getCompilationUnit().addUsingDirective( NSB );
look = table.getCompilationUnit().unqualifiedFunctionLookup( "f", paramList );
assertEquals( look, f );
}
}

3
core/org.eclipse.cdt.core/parser/ChangeLog
View file

@ -1,3 +1,6 @@
2003-09-02 Andrew Niefer
bug41935 - Modifications to PST to allow for namespace aliases
2003-08-28 John Camelon
Fixed bug39535 - Parser fails on namesapce aliases

26
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/pst/ParserSymbolTable.java
View file

@ -88,6 +88,14 @@ public class ParserSymbolTable {
throw new ParserSymbolTableException( ParserSymbolTableException.r_BadTypeInfo );
}
//handle namespace aliases
if( inSymbol.isType( TypeInfo.t_namespace ) ){
ISymbol symbol = inSymbol.getTypeSymbol();
if( symbol != null && symbol.isType( TypeInfo.t_namespace ) ){
inSymbol = (IContainerSymbol) symbol;
}
}
ISymbol symbol = null; //the return value
LinkedList transitives = new LinkedList(); //list of transitive using directives
@ -2885,6 +2893,12 @@ public class ParserSymbolTable {
throw new ParserSymbolTableException( ParserSymbolTableException.r_InvalidUsing );
}
//handle namespace aliasing
ISymbol alias = namespace.getTypeSymbol();
if( alias != null && alias.isType( TypeInfo.t_namespace ) ){
namespace = (IContainerSymbol) alias;
}
if( _usingDirectives == null ){
_usingDirectives = new LinkedList();
}
@ -2951,7 +2965,17 @@ public class ParserSymbolTable {
LookupData data = new LookupData( name, TypeInfo.t_any, getTemplateInstance() );
data.qualified = true;
ParserSymbolTable.lookupInContained( data, this );
IContainerSymbol container = this;
//handle namespace aliases
if( container.isType( TypeInfo.t_namespace ) ){
ISymbol symbol = container.getTypeSymbol();
if( symbol != null && symbol.isType( TypeInfo.t_namespace ) ){
container = (IContainerSymbol) symbol;
}
}
ParserSymbolTable.lookupInContained( data, container );
return ParserSymbolTable.resolveAmbiguities( data );
}