OSX/libsecurity_codesigning/antlr2/src/LLkParser.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/LLkParser.cpp#2 $
   6  */
   7
   8 #include "antlr/LLkParser.hpp"
   9 #include <stdio.h>
  10
  11 #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
  12 namespace antlr {
  13 #endif
  14
  15 ANTLR_USING_NAMESPACE(std)
  16
  17 /**An LL(k) parser.
  18  *
  19  * @see antlr.Token
  20  * @see antlr.TokenBuffer
  21  * @see antlr.LL1Parser
  22  */
  23
  24 //      LLkParser(int k_);
  25
  26 LLkParser::LLkParser(const ParserSharedInputState& state, int k_)
  27 : Parser(state), k(k_)
  28 {
  29 }
  30
  31 LLkParser::LLkParser(TokenBuffer& tokenBuf, int k_)
  32 : Parser(tokenBuf), k(k_)
  33 {
  34 }
  35
  36 LLkParser::LLkParser(TokenStream& lexer, int k_)
  37 : Parser(new TokenBuffer(lexer)), k(k_)
  38 {
  39 }
  40
  41 void LLkParser::trace(const char* ee, const char* rname)
  42 {
  43         traceIndent();
  44
  45         printf("%s", ((string)ee + rname + ((inputState->guessing>0)?"; [guessing]":"; ")).c_str());
  46
  47         for (int i = 1; i <= k; i++)
  48         {
  49                 if (i != 1) {
  50                         printf(", ");
  51                 }
  52                 printf("LA(%d)==", i);
  53
  54                 string temp;
  55
  56                 try {
  57                         temp = LT(i)->getText().c_str();
  58                 }
  59                 catch( ANTLRException& ae )
  60                 {
  61                         temp = "[error: ";
  62                         temp += ae.toString();
  63                         temp += ']';
  64                 }
  65                 printf("%s", temp.c_str());
  66         }
  67
  68         printf("\n");;
  69 }
  70
  71 void LLkParser::traceIn(const char* rname)
  72 {
  73         traceDepth++;
  74         trace("> ",rname);
  75 }
  76
  77 void LLkParser::traceOut(const char* rname)
  78 {
  79         trace("< ",rname);
  80         traceDepth--;
  81 }
  82
  83 #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
  84 }
  85 #endif