Restructuring of the parser extension packages. <BR>
Introduce IParserExtension and IASTFactory mechanisms w/partial implementation for GCC. <BR>
Introduce IGCCToken and GCCKeywords and fleshed out GCCScannerExtension implementation and interworking with Scanner. <BR>
Fixed https://bugs.eclipse.org/bugs/show_bug.cgi?id=39697<BR>
Fixed https://bugs.eclipse.org/bugs/show_bug.cgi?id=39695<BR>
Fixed https://bugs.eclipse.org/bugs/show_bug.cgi?id=39684<BR>
<BR>
org.eclipse.cdt.core.tests<BR>
Moved testBug39684() & testBug39695() from ASTFailedTests to QuickParseASTTests.<BR>
Updated CompleteParseASTTest::testBug39697().<BR>
Added CompleteParseASTTest::testBug39684() & CompleteParseASTTest::testBug39695().
<BR>Modified Scanner Performance by
<BR>1. Moved ScannerContext sentinal to ContextStack
<BR>2. Delay Stringizing macro parameter until needed
<BR>3. Removed the sentinal from the scanner constructor
<BR> Fixed https://bugs.eclipse.org/bugs/show_bug.cgi?id=55785.
<BR> Fix required update to ISourceElementRequestor interface : clients updated accordingly.
<BR>
<BR>org.eclipse.cdt.core.tests
<BR> Updated clients for ISourceElementRequestor.createReader() updates.
<BR>
<BR>org.eclipse.cdt.ui
<BR> Updated CompletionEngine to use shared working copies when parsing include files.
<BR> Updated clients for ISourceElementRequestor.createReader() updates.
Removed unused methods from IToken.<BR>
Restructured Token implementation to be more memory efficient.<BR>
Tightened up visibility of different members in the implementation.<BR>
Added TokenFactory construct to isolate IToken clients from the particulars of which IToken implementation to instantiate.<BR><BR>
org.eclipse.cdt.core.tests<BR>
Updated ScannerTestCase to correspond with changes to IToken and its implementations.
Fixed https://bugs.eclipse.org/bugs/show_bug.cgi?id=50808. <BR>
Provided partial fix for https://bugs.eclipse.org/bugs/show_bug.cgi?id=50807. <BR>
Provided partial fix for https://bugs.eclipse.org/bugs/show_bug.cgi?id=52988. <BR>
Introduced EMPTY_STRING, a single constant that replaced > 100'S O literal "" in the code. <BR>
Updated IASTCompletionNode interface to provide better support for FUNCTION_REFERENCE and CONSTRUCTOR_REFERENCE. <BR>
Implemented IASTTypeId.getFullSignature() for both QUICK_PARSE and COMPLETE_PARSE. <BR>
Tweaked ASTNode.lookup() so that it would work for FUNCTION_REFERENCE. <BR><BR>
org.eclipse.cdt.ui <BR>
Updated CompletionEngine to use the extended IASTCompletionNode interface for FUNCTION_REFERENCE. <BR><BR>
org.eclipse.cdt.ui.tests <BR>
Updated CompletionFailedTest_ConstructorReference_Bug50808, renamed it to CompletionTest_ConstructorReference and moved it out of the failed tests folder. <BR>
Updated CompletionFailedTest_TypeDef_Bug52948, renamed it to CompletionTest_TypeDef_Prefix and moved it out of the failed tests folder. <BR>
Renamed CompletionTest_TypeDef_Bug52948 it to CompletionTest_TypeDef_NoPrefix. <BR>
Updated CompletionTest_SingleName_Parameter and renamed it to CompletionTest_FunctionReference_Prefix. <BR>
Updated CompletionFailedTest_FunctionReference_Bug50807, renamed it to CompletionTest_FunctionReference_NoPrefix and moved it out of the failed tests folder. <BR>
