blob: 6b3f2ca1059c1a25de4f78cc3268019c94da5ad8 (
plain)
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
|
/* ANTLR Translator Generator
* Project led by Terence Parr at http://www.jGuru.com
* Software rights: http://www.antlr.org/license.html
*
* $Id$
*/
#include "antlr/TreeParser.hpp"
#include "antlr/ASTNULLType.hpp"
#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
namespace antlr {
#endif
/** The AST Null object; the parsing cursor is set to this when
* it is found to be null. This way, we can test the
* token type of a node without having to have tests for null
* everywhere.
*/
RefAST TreeParser::ASTNULL(new ASTNULLType);
/** Parser error-reporting function can be overridden in subclass */
void TreeParser::reportError(const RecognitionException& ex)
{
ANTLR_USE_NAMESPACE(std)cerr << ex.toString().c_str() << ANTLR_USE_NAMESPACE(std)endl;
}
/** Parser error-reporting function can be overridden in subclass */
void TreeParser::reportError(const ANTLR_USE_NAMESPACE(std)string& s)
{
ANTLR_USE_NAMESPACE(std)cerr << "error: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl;
}
/** Parser warning-reporting function can be overridden in subclass */
void TreeParser::reportWarning(const ANTLR_USE_NAMESPACE(std)string& s)
{
ANTLR_USE_NAMESPACE(std)cerr << "warning: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl;
}
/** Procedure to write out an indent for traceIn and traceOut */
void TreeParser::traceIndent()
{
for( int i = 0; i < traceDepth; i++ )
ANTLR_USE_NAMESPACE(std)cout << " ";
}
void TreeParser::traceIn(const char* rname, RefAST t)
{
traceDepth++;
traceIndent();
ANTLR_USE_NAMESPACE(std)cout << "> " << rname
<< "(" << (t ? t->toString().c_str() : "null") << ")"
<< ((inputState->guessing>0)?" [guessing]":"")
<< ANTLR_USE_NAMESPACE(std)endl;
}
void TreeParser::traceOut(const char* rname, RefAST t)
{
traceIndent();
ANTLR_USE_NAMESPACE(std)cout << "< " << rname
<< "(" << (t ? t->toString().c_str() : "null") << ")"
<< ((inputState->guessing>0)?" [guessing]":"")
<< ANTLR_USE_NAMESPACE(std)endl;
traceDepth--;
}
#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
}
#endif
|
