1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/********************* */
/** parser.cpp
** Original author: mdeters
** Major contributors: dejan
** Minor contributors (to current version): cconway
** 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.
**
** Parser implementation.
**/
#include <iostream>
#include <fstream>
#include <antlr/CharScanner.hpp>
#include <antlr/CharBuffer.hpp>
#include "parser/parser.h"
#include "parser/memory_mapped_input_buffer.h"
#include "expr/command.h"
#include "util/output.h"
#include "util/Assert.h"
#include "parser/parser_exception.h"
#include "parser/antlr_parser.h"
#include "parser/smt/generated/AntlrSmtParser.hpp"
#include "parser/smt/generated/AntlrSmtLexer.hpp"
#include "parser/cvc/generated/AntlrCvcParser.hpp"
#include "parser/cvc/generated/AntlrCvcLexer.hpp"
using namespace std;
using namespace antlr;
namespace CVC4 {
namespace parser {
void Parser::setDone(bool done) {
d_done = done;
}
bool Parser::done() const {
return d_done;
}
Command* Parser::parseNextCommand() throw (ParserException, AssertionException) {
Debug("parser") << "parseNextCommand()" << std::endl;
Command* cmd = NULL;
if(!done()) {
try {
cmd = d_antlrParser->parseCommand();
if(cmd == NULL) {
setDone();
}
} catch(antlr::ANTLRException& e) {
setDone();
throw ParserException(e.toString());
}
}
Debug("parser") << "parseNextCommand() => " << cmd << std::endl;
return cmd;
}
Expr Parser::parseNextExpression() throw (ParserException, AssertionException) {
Debug("parser") << "parseNextExpression()" << std::endl;
Expr result;
if(!done()) {
try {
result = d_antlrParser->parseExpr();
if(result.isNull())
setDone();
} catch(antlr::ANTLRException& e) {
setDone();
throw ParserException(e.toString());
}
}
Debug("parser") << "parseNextExpression() => " << result << std::endl;
return result;
}
Parser::~Parser() {
delete d_antlrParser;
delete d_antlrLexer;
delete d_inputBuffer;
}
Parser::Parser(InputBuffer* inputBuffer, AntlrParser* antlrParser,
CharScanner* antlrLexer) :
d_done(false),
d_antlrParser(antlrParser),
d_antlrLexer(antlrLexer),
d_inputBuffer(inputBuffer) {
}
Parser* Parser::getNewParser(ExprManager* em, InputLanguage lang,
InputBuffer* inputBuffer, string filename) {
AntlrParser* antlrParser = 0;
antlr::CharScanner* antlrLexer = 0;
switch(lang) {
case LANG_CVC4: {
antlrLexer = new AntlrCvcLexer(*inputBuffer);
antlrParser = new AntlrCvcParser(*antlrLexer);
break;
}
case LANG_SMTLIB: {
// MemoryMappedInputBuffer inputBuffer(filename);
// antlrLexer = new AntlrSmtLexer(inputBuffer);
antlrLexer = new AntlrSmtLexer(*inputBuffer);
antlrParser = new AntlrSmtParser(*antlrLexer);
break;
}
default:
Unhandled("Unknown Input language!");
}
antlrLexer->setFilename(filename);
antlrParser->setFilename(filename);
antlrParser->setExpressionManager(em);
return new Parser(inputBuffer, antlrParser, antlrLexer);
}
Parser* Parser::getMemoryMappedParser(ExprManager* em, InputLanguage lang, string filename) {
MemoryMappedInputBuffer* inputBuffer = new MemoryMappedInputBuffer(filename);
return getNewParser(em, lang, inputBuffer, filename);
}
Parser* Parser::getNewParser(ExprManager* em, InputLanguage lang,
istream& input, string filename) {
antlr::CharBuffer* inputBuffer = new CharBuffer(input);
return getNewParser(em, lang, inputBuffer, filename);
}
void Parser::disableChecks() {
d_antlrParser->disableChecks();
}
void Parser::enableChecks() {
d_antlrParser->enableChecks();
}
}/* CVC4::parser namespace */
}/* CVC4 namespace */
|
