src/antlr/CharScanner.cpp

/* ANTLR Translator Generator
 * Project led by Terence Parr at http://www.jGuru.com
 * Software rights: http://www.antlr.org/license.html
 *
 * $Id: CharScanner.cpp,v 1.1 2005-12-02 15:38:02 tim Exp $
 */

#include <iostream>

#include "antlr/CharScanner.hpp"
#include "antlr/CommonToken.hpp"

#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
namespace antlr {
#endif
ANTLR_C_USING(exit)

CharScanner::CharScanner(InputBuffer& cb, bool case_sensitive )
        : saveConsumedInput(true) //, caseSensitiveLiterals(true)
        , caseSensitive(case_sensitive)
        , literals(CharScannerLiteralsLess(this))
        , inputState(new LexerInputState(cb))
        , commitToPath(false)
        , tabsize(8)
        , traceDepth(0)
{
        setTokenObjectFactory(&CommonToken::factory);
}

CharScanner::CharScanner(InputBuffer* cb, bool case_sensitive )
        : saveConsumedInput(true) //, caseSensitiveLiterals(true)
        , caseSensitive(case_sensitive)
        , literals(CharScannerLiteralsLess(this))
        , inputState(new LexerInputState(cb))
        , commitToPath(false)
        , tabsize(8)
        , traceDepth(0)
{
        setTokenObjectFactory(&CommonToken::factory);
}

CharScanner::CharScanner( const LexerSharedInputState& state, bool case_sensitive )
        : saveConsumedInput(true) //, caseSensitiveLiterals(true)
        , caseSensitive(case_sensitive)
        , literals(CharScannerLiteralsLess(this))
        , inputState(state)
        , commitToPath(false)
        , tabsize(8)
        , traceDepth(0)
{
        setTokenObjectFactory(&CommonToken::factory);
}

/** Report exception errors caught in nextToken() */
void CharScanner::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 CharScanner::reportError(const ANTLR_USE_NAMESPACE(std)string& s)
{
        if (getFilename() == "")
                ANTLR_USE_NAMESPACE(std)cerr << "error: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl;
        else
                ANTLR_USE_NAMESPACE(std)cerr << getFilename().c_str() << ": error: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl;
}

/** Parser warning-reporting function can be overridden in subclass */
void CharScanner::reportWarning(const ANTLR_USE_NAMESPACE(std)string& s)
{
        if (getFilename() == "")
                ANTLR_USE_NAMESPACE(std)cerr << "warning: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl;
        else
                ANTLR_USE_NAMESPACE(std)cerr << getFilename().c_str() << ": warning: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl;
}

void CharScanner::traceIndent()
{
        for( int i = 0; i < traceDepth; i++ )
                ANTLR_USE_NAMESPACE(std)cout << " ";
}

void CharScanner::traceIn(const char* rname)
{
        traceDepth++;
        traceIndent();
        ANTLR_USE_NAMESPACE(std)cout << "> lexer " << rname
                << "; c==" << LA(1) << ANTLR_USE_NAMESPACE(std)endl;
}

void CharScanner::traceOut(const char* rname)
{
        traceIndent();
        ANTLR_USE_NAMESPACE(std)cout << "< lexer " << rname
                << "; c==" << LA(1) << ANTLR_USE_NAMESPACE(std)endl;
        traceDepth--;
}

#ifndef NO_STATIC_CONSTS
const int CharScanner::NO_CHAR;
const int CharScanner::EOF_CHAR;
#endif

#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
}
#endif

Revision:	770
Committed:	Fri Dec 2 15:38:03 2005 UTC (19 years, 11 months ago) by tim
File size:	3033 byte(s)
Log Message:	End of the Link --> List Return of the Oject-Oriented replace yacc/lex parser with antlr parser
#	User	Rev	Content
1	tim	770	/* ANTLR Translator Generator
2			* Project led by Terence Parr at http://www.jGuru.com
3			* Software rights: http://www.antlr.org/license.html
4			*
5			* $Id: CharScanner.cpp,v 1.1 2005-12-02 15:38:02 tim Exp $
6			*/
7
8			#include <iostream>
9
10			#include "antlr/CharScanner.hpp"
11			#include "antlr/CommonToken.hpp"
12
13			#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
14			namespace antlr {
15			#endif
16			ANTLR_C_USING(exit)
17
18			CharScanner::CharScanner(InputBuffer& cb, bool case_sensitive )
19			: saveConsumedInput(true) //, caseSensitiveLiterals(true)
20			, caseSensitive(case_sensitive)
21			, literals(CharScannerLiteralsLess(this))
22			, inputState(new LexerInputState(cb))
23			, commitToPath(false)
24			, tabsize(8)
25			, traceDepth(0)
26			{
27			setTokenObjectFactory(&CommonToken::factory);
28			}
29
30			CharScanner::CharScanner(InputBuffer* cb, bool case_sensitive )
31			: saveConsumedInput(true) //, caseSensitiveLiterals(true)
32			, caseSensitive(case_sensitive)
33			, literals(CharScannerLiteralsLess(this))
34			, inputState(new LexerInputState(cb))
35			, commitToPath(false)
36			, tabsize(8)
37			, traceDepth(0)
38			{
39			setTokenObjectFactory(&CommonToken::factory);
40			}
41
42			CharScanner::CharScanner( const LexerSharedInputState& state, bool case_sensitive )
43			: saveConsumedInput(true) //, caseSensitiveLiterals(true)
44			, caseSensitive(case_sensitive)
45			, literals(CharScannerLiteralsLess(this))
46			, inputState(state)
47			, commitToPath(false)
48			, tabsize(8)
49			, traceDepth(0)
50			{
51			setTokenObjectFactory(&CommonToken::factory);
52			}
53
54			/** Report exception errors caught in nextToken() */
55			void CharScanner::reportError(const RecognitionException& ex)
56			{
57			ANTLR_USE_NAMESPACE(std)cerr << ex.toString().c_str() << ANTLR_USE_NAMESPACE(std)endl;
58			}
59
60			/** Parser error-reporting function can be overridden in subclass */
61			void CharScanner::reportError(const ANTLR_USE_NAMESPACE(std)string& s)
62			{
63			if (getFilename() == "")
64			ANTLR_USE_NAMESPACE(std)cerr << "error: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl;
65			else
66			ANTLR_USE_NAMESPACE(std)cerr << getFilename().c_str() << ": error: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl;
67			}
68
69			/** Parser warning-reporting function can be overridden in subclass */
70			void CharScanner::reportWarning(const ANTLR_USE_NAMESPACE(std)string& s)
71			{
72			if (getFilename() == "")
73			ANTLR_USE_NAMESPACE(std)cerr << "warning: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl;
74			else
75			ANTLR_USE_NAMESPACE(std)cerr << getFilename().c_str() << ": warning: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl;
76			}
77
78			void CharScanner::traceIndent()
79			{
80			for( int i = 0; i < traceDepth; i++ )
81			ANTLR_USE_NAMESPACE(std)cout << " ";
82			}
83
84			void CharScanner::traceIn(const char* rname)
85			{
86			traceDepth++;
87			traceIndent();
88			ANTLR_USE_NAMESPACE(std)cout << "> lexer " << rname
89			<< "; c==" << LA(1) << ANTLR_USE_NAMESPACE(std)endl;
90			}
91
92			void CharScanner::traceOut(const char* rname)
93			{
94			traceIndent();
95			ANTLR_USE_NAMESPACE(std)cout << "< lexer " << rname
96			<< "; c==" << LA(1) << ANTLR_USE_NAMESPACE(std)endl;
97			traceDepth--;
98			}
99
100			#ifndef NO_STATIC_CONSTS
101			const int CharScanner::NO_CHAR;
102			const int CharScanner::EOF_CHAR;
103			#endif
104
105			#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
106			}
107			#endif
108