604371b98d
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1676 6f19259b-4bc3-4df7-8a09-765794883524
135 lines
3.5 KiB
C++
135 lines
3.5 KiB
C++
#ifndef PBLACKBOX_H
|
|
#define PBLACKBOX_H
|
|
|
|
/*
|
|
* SOFTWARE RIGHTS
|
|
*
|
|
* We reserve no LEGAL rights to the Purdue Compiler Construction Tool
|
|
* Set (PCCTS) -- PCCTS is in the public domain. An individual or
|
|
* company may do whatever they wish with source code distributed with
|
|
* PCCTS or the code generated by PCCTS, including the incorporation of
|
|
* PCCTS, or its output, into commerical software.
|
|
*
|
|
* We encourage users to develop software with PCCTS. However, we do ask
|
|
* that credit is given to us for developing PCCTS. By "credit",
|
|
* we mean that if you incorporate our source code into one of your
|
|
* programs (commercial product, research project, or otherwise) that you
|
|
* acknowledge this fact somewhere in the documentation, research report,
|
|
* etc... If you like PCCTS and have developed a nice tool with the
|
|
* output, please mention that you developed it using PCCTS. In
|
|
* addition, we ask that this header remain intact in our source code.
|
|
* As long as these guidelines are kept, we expect to continue enhancing
|
|
* this system and expect to make other tools available as they are
|
|
* completed.
|
|
*
|
|
* ANTLR 1.33
|
|
* Terence Parr
|
|
* Parr Research Corporation
|
|
* with Purdue University and AHPCRC, University of Minnesota
|
|
* 1989-2000
|
|
*/
|
|
|
|
/* Completely rewritten by Chris Uzdavinis (chris@atdesk.com) for MR23 */
|
|
|
|
#include "pcctscfg.h"
|
|
|
|
#include "pccts_iostream.h"
|
|
|
|
PCCTS_NAMESPACE_STD
|
|
|
|
// MR20 Added #include for "DLexerBase.h"
|
|
|
|
#include "DLexerBase.h"
|
|
|
|
//
|
|
// The default buffer size of the lexer is given by the
|
|
// second argument of the lexer's ctor. It is optional
|
|
// and defaults to 2000
|
|
//
|
|
|
|
template<class Lexer, class Parser, class Token>
|
|
class DllExportPCCTS ParserBlackBox {
|
|
private:
|
|
// no copy construction allowed
|
|
ParserBlackBox(ParserBlackBox const &);
|
|
|
|
// no copy assignment allowed
|
|
ParserBlackBox & operator=(ParserBlackBox const &);
|
|
|
|
protected:
|
|
DLGFileInput *in;
|
|
Lexer *scan;
|
|
_ANTLRTokenPtr tok;
|
|
ANTLRTokenBuffer *pipe;
|
|
Parser *_parser;
|
|
FILE *file;
|
|
int openByBlackBox; /* MR21 Don't close what we haven't opened */
|
|
public:
|
|
|
|
ParserBlackBox(FILE *f)
|
|
: in(0)
|
|
, scan(0)
|
|
, tok(0)
|
|
, pipe(0)
|
|
, _parser(0)
|
|
, file(0)
|
|
, openByBlackBox(0)
|
|
{
|
|
if (f == NULL)
|
|
{
|
|
cerr << "invalid file pointer\n";
|
|
}
|
|
else
|
|
{
|
|
openByBlackBox = 0; /* MR21a */
|
|
file = f;
|
|
in = new DLGFileInput(f);
|
|
scan = new Lexer(in);
|
|
pipe = new ANTLRTokenBuffer(scan);
|
|
tok = new Token;
|
|
scan->setToken(tok);
|
|
_parser = new Parser(pipe);
|
|
_parser->init();
|
|
}
|
|
}
|
|
ParserBlackBox(char *fname)
|
|
: in(0)
|
|
, scan(0)
|
|
, tok(0)
|
|
, pipe(0)
|
|
, _parser(0)
|
|
, file(0)
|
|
, openByBlackBox(0)
|
|
{
|
|
FILE *f = fopen(fname, "r");
|
|
if ( f==NULL ) {
|
|
openByBlackBox = 0;
|
|
cerr << "cannot open " << fname << "\n"; return;
|
|
}
|
|
else {
|
|
openByBlackBox = 1;
|
|
file = f;
|
|
in = new DLGFileInput(f);
|
|
scan = new Lexer(in);
|
|
pipe = new ANTLRTokenBuffer(scan);
|
|
tok = new Token;
|
|
scan->setToken(tok);
|
|
_parser = new Parser(pipe);
|
|
_parser->init();
|
|
}
|
|
}
|
|
|
|
~ParserBlackBox()
|
|
{
|
|
delete in; delete scan; delete pipe; delete _parser; delete tok;
|
|
if (1 == openByBlackBox) {
|
|
fclose(file);
|
|
}
|
|
}
|
|
|
|
Parser *parser() { return _parser; }
|
|
Lexer *getLexer() { return scan; }
|
|
};
|
|
|
|
#endif
|