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// CPPParserSym.h: Subclass of CPPParser that has symbol table support
// This class implements two things:
// 1) Overrides of parser base class pure-virtual methods
// for accessing the symbol table.
// 2) Operational functionality that is independent of the grammar.
//
#ifndef INCL_CPPPARSER_SYM_H
#define INCL_CPPPARSER_SYM_H
#include "CPPParser.h"
#include "CPPSymTableIncomplete.h"
class CPPParserSym : public CPPParser
{
public:
DECLARE_INCOMPLETE(OptionSet);
// ctor
CPPParserSym(ANTLRTokenBuffer *input);
// ctor for template specialization
CPPParserSym(
ANTLRTokenBuffer *input,
CPPSymTableRefI symTable_,
OptionSetRefI optionSet_
);
// init
virtual void init();
// dtor
virtual ~CPPParserSym();
// Debugging
void DumpScopes() const;
// Get/set parser options
virtual void SetOption(Option option, bool value);
virtual bool GetOption(Option option) const;
OptionSetRefI GetOptions() const { return options; }
protected:
//
// Overrides of the parser base class
// Most symbol-table management methods are
// simply forwarded to the symbol table object.
// Get definitions of pasrer virtual methods from a header file.
//
#define PARSER_PURE_VIRTUAL
#include "CPPParserVirtual.h"
#undef PARSER_PURE_VIRTUAL
// consume the next token
virtual void consume();
// Process a #pragma pack()...
void CPPParserSym::HandleMSPacking();
// private:
//
// Helper methods
//
// set for holding option values
OptionSetRefI options;
// Internal method for creating an option set
static OptionSetRefI NewOptionSet();
// Pointer to symbol table
CPPSymTableRefI symTable;
// Stack of token lists that are collecting tokens as
// they are consumed. Every list on the stack will
// have an additional token added to the end whenever
// a token is consumed by the parser.
TokenListListRefI tokenCollectionLists;
// Stack of integers that are used to store the input token
// marks as they are made during guess mode, for the purpose of
// removing tokens from the token collection lists when a
// rewind is made.
DECLARE_INCOMPLETE(MarkerStack);
MarkerStackRefI markerStack;
static MarkerStackRefI NewMarkerStack();
};
#endif
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