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/* ANTLR Translator Generator |
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* Project led by Terence Parr at http://www.jGuru.com |
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* Software rights: http://www.antlr.org/license.html |
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* |
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* $Id: CharScanner.cpp,v 1.1 2005-12-02 15:38:02 tim Exp $ |
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*/ |
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|
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#include <iostream> |
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|
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#include "antlr/CharScanner.hpp" |
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#include "antlr/CommonToken.hpp" |
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|
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#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE |
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namespace antlr { |
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#endif |
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ANTLR_C_USING(exit) |
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|
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CharScanner::CharScanner(InputBuffer& cb, bool case_sensitive ) |
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: saveConsumedInput(true) //, caseSensitiveLiterals(true) |
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, caseSensitive(case_sensitive) |
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, literals(CharScannerLiteralsLess(this)) |
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, inputState(new LexerInputState(cb)) |
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, commitToPath(false) |
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, tabsize(8) |
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, traceDepth(0) |
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{ |
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setTokenObjectFactory(&CommonToken::factory); |
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} |
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|
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CharScanner::CharScanner(InputBuffer* cb, bool case_sensitive ) |
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: saveConsumedInput(true) //, caseSensitiveLiterals(true) |
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, caseSensitive(case_sensitive) |
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, literals(CharScannerLiteralsLess(this)) |
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, inputState(new LexerInputState(cb)) |
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, commitToPath(false) |
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, tabsize(8) |
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, traceDepth(0) |
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{ |
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setTokenObjectFactory(&CommonToken::factory); |
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} |
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|
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CharScanner::CharScanner( const LexerSharedInputState& state, bool case_sensitive ) |
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: saveConsumedInput(true) //, caseSensitiveLiterals(true) |
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, caseSensitive(case_sensitive) |
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, literals(CharScannerLiteralsLess(this)) |
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, inputState(state) |
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, commitToPath(false) |
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, tabsize(8) |
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, traceDepth(0) |
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{ |
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setTokenObjectFactory(&CommonToken::factory); |
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} |
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|
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/** Report exception errors caught in nextToken() */ |
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void CharScanner::reportError(const RecognitionException& ex) |
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{ |
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ANTLR_USE_NAMESPACE(std)cerr << ex.toString().c_str() << ANTLR_USE_NAMESPACE(std)endl; |
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} |
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|
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/** Parser error-reporting function can be overridden in subclass */ |
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void CharScanner::reportError(const ANTLR_USE_NAMESPACE(std)string& s) |
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{ |
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if (getFilename() == "") |
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ANTLR_USE_NAMESPACE(std)cerr << "error: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl; |
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else |
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ANTLR_USE_NAMESPACE(std)cerr << getFilename().c_str() << ": error: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl; |
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} |
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|
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/** Parser warning-reporting function can be overridden in subclass */ |
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void CharScanner::reportWarning(const ANTLR_USE_NAMESPACE(std)string& s) |
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{ |
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if (getFilename() == "") |
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ANTLR_USE_NAMESPACE(std)cerr << "warning: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl; |
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else |
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ANTLR_USE_NAMESPACE(std)cerr << getFilename().c_str() << ": warning: " << s.c_str() << ANTLR_USE_NAMESPACE(std)endl; |
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} |
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|
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void CharScanner::traceIndent() |
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{ |
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for( int i = 0; i < traceDepth; i++ ) |
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ANTLR_USE_NAMESPACE(std)cout << " "; |
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} |
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|
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void CharScanner::traceIn(const char* rname) |
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{ |
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traceDepth++; |
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traceIndent(); |
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ANTLR_USE_NAMESPACE(std)cout << "> lexer " << rname |
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<< "; c==" << LA(1) << ANTLR_USE_NAMESPACE(std)endl; |
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} |
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|
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void CharScanner::traceOut(const char* rname) |
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{ |
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traceIndent(); |
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ANTLR_USE_NAMESPACE(std)cout << "< lexer " << rname |
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<< "; c==" << LA(1) << ANTLR_USE_NAMESPACE(std)endl; |
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traceDepth--; |
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} |
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|
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#ifndef NO_STATIC_CONSTS |
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const int CharScanner::NO_CHAR; |
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const int CharScanner::EOF_CHAR; |
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#endif |
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|
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#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE |
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} |
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#endif |
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