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/********************* */
/*! \file parser_builder.cpp
** \verbatim
** Original author: cconway
** Major contributors: none
** Minor contributors (to current version): mdeters
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief A builder for parsers.
**
** A builder for parsers.
**/
#include <string>
#include "parser_builder.h"
#include "expr/expr_manager.h"
#include "parser/input.h"
#include "parser/parser.h"
#include "parser/smt/smt.h"
#include "parser/smt2/smt2.h"
namespace CVC4 {
namespace parser {
ParserBuilder::ParserBuilder(ExprManager& exprManager,
const std::string& filename) :
d_filename(filename),
d_exprManager(exprManager) {
init(exprManager,filename);
}
ParserBuilder::ParserBuilder(ExprManager& exprManager,
const std::string& filename,
const Options& options) :
d_filename(filename),
d_exprManager(exprManager) {
init(exprManager,filename);
withOptions(options);
}
void ParserBuilder::init(ExprManager& exprManager,
const std::string& filename) {
d_inputType = FILE_INPUT;
d_lang = language::input::LANG_AUTO;
d_filename = filename;
d_streamInput = NULL;
d_exprManager = exprManager;
d_checksEnabled = true;
d_strictMode = false;
d_mmap = false;
}
Parser *ParserBuilder::build()
throw (InputStreamException,AssertionException) {
Input *input = NULL;
switch( d_inputType ) {
case FILE_INPUT:
input = Input::newFileInput(d_lang,d_filename,d_mmap);
break;
case STREAM_INPUT:
AlwaysAssert( d_streamInput != NULL,
"Uninitialized stream input in ParserBuilder::build()" );
input = Input::newStreamInput(d_lang,*d_streamInput,d_filename);
break;
case STRING_INPUT:
input = Input::newStringInput(d_lang,d_stringInput,d_filename);
break;
default:
Unreachable();
}
Parser *parser = NULL;
switch(d_lang) {
case language::input::LANG_SMTLIB:
parser = new Smt(&d_exprManager, input, d_strictMode);
break;
case language::input::LANG_SMTLIB_V2:
parser = new Smt2(&d_exprManager, input, d_strictMode);
break;
default:
parser = new Parser(&d_exprManager, input, d_strictMode);
}
if( d_checksEnabled ) {
parser->enableChecks();
} else {
parser->disableChecks();
}
return parser;
}
ParserBuilder& ParserBuilder::withChecks(bool flag) {
d_checksEnabled = flag;
return *this;
}
ParserBuilder& ParserBuilder::withExprManager(ExprManager& exprManager) {
d_exprManager = exprManager;
return *this;
}
ParserBuilder& ParserBuilder::withFileInput() {
d_inputType = FILE_INPUT;
return *this;
}
ParserBuilder& ParserBuilder::withFilename(const std::string& filename) {
d_filename = filename;
return *this;
}
ParserBuilder& ParserBuilder::withInputLanguage(InputLanguage lang) {
d_lang = lang;
return *this;
}
ParserBuilder& ParserBuilder::withMmap(bool flag) {
d_mmap = flag;
return *this;
}
ParserBuilder& ParserBuilder::withOptions(const Options& options) {
return
withInputLanguage(options.inputLanguage)
.withMmap(options.memoryMap)
.withChecks(options.semanticChecks)
.withStrictMode(options.strictParsing);
}
ParserBuilder& ParserBuilder::withStrictMode(bool flag) {
d_strictMode = flag;
return *this;
}
ParserBuilder& ParserBuilder::withStreamInput(std::istream& input) {
d_inputType = STREAM_INPUT;
d_streamInput = &input;
return *this;
}
ParserBuilder& ParserBuilder::withStringInput(const std::string& input) {
d_inputType = STRING_INPUT;
d_stringInput = input;
return *this;
}
} /* namespace parser */
} /* namespace CVC4 */
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