| 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 | * $Id$ | 
| 6 | */ | 
| 7 |  | 
| 8 | #include "antlr/String.hpp" | 
| 9 |  | 
| 10 | #include <cctype> | 
| 11 |  | 
| 12 | #ifdef HAS_NOT_CSTDIO_H | 
| 13 | #include <stdio.h> | 
| 14 | #else | 
| 15 | #include <cstdio> | 
| 16 | #endif | 
| 17 |  | 
| 18 | #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE | 
| 19 | namespace antlr { | 
| 20 | #endif | 
| 21 |  | 
| 22 | // wh: hack for Borland C++ 5.6 | 
| 23 | #if __BORLANDC__ | 
| 24 | using std::sprintf; | 
| 25 | #endif | 
| 26 |  | 
| 27 |  | 
| 28 | // RK: should be using snprintf actually... (or stringstream) | 
| 29 | ANTLR_C_USING(sprintf) | 
| 30 |  | 
| 31 | ANTLR_USE_NAMESPACE(std)string operator+( const ANTLR_USE_NAMESPACE(std)string& lhs, const int rhs ) | 
| 32 | { | 
| 33 | char tmp[100]; | 
| 34 | sprintf(tmp,"%d",rhs); | 
| 35 | return lhs+tmp; | 
| 36 | } | 
| 37 |  | 
| 38 | ANTLR_USE_NAMESPACE(std)string operator+( const ANTLR_USE_NAMESPACE(std)string& lhs, size_t rhs ) | 
| 39 | { | 
| 40 | char tmp[100]; | 
| 41 | sprintf(tmp,"%lu",(unsigned long)rhs); | 
| 42 | return lhs+tmp; | 
| 43 | } | 
| 44 |  | 
| 45 | /** Convert character to readable string | 
| 46 | */ | 
| 47 | ANTLR_USE_NAMESPACE(std)string charName(int ch) | 
| 48 | { | 
| 49 | if (ch == EOF) | 
| 50 | return "EOF"; | 
| 51 | else | 
| 52 | { | 
| 53 | ANTLR_USE_NAMESPACE(std)string s; | 
| 54 |  | 
| 55 | // when you think you've seen it all.. an isprint that crashes... | 
| 56 | ch = ch & 0xFF; | 
| 57 | #ifdef ANTLR_CCTYPE_NEEDS_STD | 
| 58 | if( ANTLR_USE_NAMESPACE(std)isprint( ch ) ) | 
| 59 | #else | 
| 60 | if( isprint( ch ) ) | 
| 61 | #endif | 
| 62 | { | 
| 63 | s.append("'"); | 
| 64 | s += ch; | 
| 65 | s.append("'"); | 
| 66 | //                      s += "'"+ch+"'"; | 
| 67 | } | 
| 68 | else | 
| 69 | { | 
| 70 | s += "0x"; | 
| 71 |  | 
| 72 | unsigned int t = ch >> 4; | 
| 73 | if( t < 10 ) | 
| 74 | s += t | 0x30; | 
| 75 | else | 
| 76 | s += t + 0x37; | 
| 77 | t = ch & 0xF; | 
| 78 | if( t < 10 ) | 
| 79 | s += t | 0x30; | 
| 80 | else | 
| 81 | s += t + 0x37; | 
| 82 | } | 
| 83 | return s; | 
| 84 | } | 
| 85 | } | 
| 86 |  | 
| 87 | #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE | 
| 88 | } | 
| 89 | #endif | 
| 90 |  |