OSX/libsecurity_codesigning/antlr2/src/CharScanner.cpp

   1 /* 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: //depot/code/org.antlr/release/antlr-2.7.7/lib/cpp/src/CharScanner.cpp#2 $
   6  */
   7
   8 #include <stdio.h>
   9 #include <string>
  10
  11 #include "antlr/CharScanner.hpp"
  12 #include "antlr/CommonToken.hpp"
  13
  14 #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
  15 namespace antlr {
  16 #endif
  17 ANTLR_C_USING(exit)
  18
  19 CharScanner::CharScanner(InputBuffer& cb, bool case_sensitive )
  20         : saveConsumedInput(true) //, caseSensitiveLiterals(true)
  21         , caseSensitive(case_sensitive)
  22         , literals(CharScannerLiteralsLess(this))
  23         , inputState(new LexerInputState(cb))
  24         , commitToPath(false)
  25         , tabsize(8)
  26         , traceDepth(0)
  27 {
  28         setTokenObjectFactory(&CommonToken::factory);
  29 }
  30
  31 CharScanner::CharScanner(InputBuffer* cb, bool case_sensitive )
  32         : saveConsumedInput(true) //, caseSensitiveLiterals(true)
  33         , caseSensitive(case_sensitive)
  34         , literals(CharScannerLiteralsLess(this))
  35         , inputState(new LexerInputState(cb))
  36         , commitToPath(false)
  37         , tabsize(8)
  38         , traceDepth(0)
  39 {
  40         setTokenObjectFactory(&CommonToken::factory);
  41 }
  42
  43 CharScanner::CharScanner( const LexerSharedInputState& state, bool case_sensitive )
  44         : saveConsumedInput(true) //, caseSensitiveLiterals(true)
  45         , caseSensitive(case_sensitive)
  46         , literals(CharScannerLiteralsLess(this))
  47         , inputState(state)
  48         , commitToPath(false)
  49         , tabsize(8)
  50         , traceDepth(0)
  51 {
  52         setTokenObjectFactory(&CommonToken::factory);
  53 }
  54
  55 /** Report exception errors caught in nextToken() */
  56 void CharScanner::reportError(const RecognitionException& ex)
  57 {
  58         fprintf(stderr, "%s", (ex.toString() + "\n").c_str());
  59 }
  60
  61 /** Parser error-reporting function can be overridden in subclass */
  62 void CharScanner::reportError(const ANTLR_USE_NAMESPACE(std)string& s)
  63 {
  64         if ( getFilename()=="" )
  65                 fprintf(stderr, "%s", ("error: " + s + "\n").c_str());
  66         else
  67                 fprintf(stderr, "%s", (getFilename() + ": error: " + s + "\n").c_str());
  68 }
  69
  70 /** Parser warning-reporting function can be overridden in subclass */
  71 void CharScanner::reportWarning(const ANTLR_USE_NAMESPACE(std)string& s)
  72 {
  73         if ( getFilename()=="" )
  74                 fprintf(stderr, "%s", ("warning: " + s + "\n").c_str());
  75         else
  76                 fprintf(stderr, "%s", (getFilename() + ": warning: " + s + "\n").c_str());
  77 }
  78
  79 void CharScanner::traceIndent()
  80 {
  81         for( int i = 0; i < traceDepth; i++ )
  82                 printf(" ");
  83 }
  84
  85 void CharScanner::traceIn(const char* rname)
  86 {
  87         traceDepth++;
  88         traceIndent();
  89         printf("> lexer %s; c==%d\n", rname, LA(1));
  90 }
  91
  92 void CharScanner::traceOut(const char* rname)
  93 {
  94         traceIndent();
  95         printf("< lexer %s; c==%d\n", rname, LA(1));
  96         traceDepth--;
  97 }
  98
  99 #ifndef NO_STATIC_CONSTS
 100 const int CharScanner::NO_CHAR;
 101 const int CharScanner::EOF_CHAR;
 102 #endif
 103
 104 #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
 105 }
 106 #endif
 107