1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 #include <precomp.h> 23 #include "cx_c_sub.hxx" 24 25 26 27 // NOT FULLY DECLARED SERVICES 28 #include <ctype.h> 29 #include "c_dealer.hxx" 30 #include <tokens/parseinc.hxx> 31 #include <x_parse.hxx> 32 #include "all_toks.hxx" 33 34 35 namespace cpp { 36 37 38 39 void 40 Context_Comment::ReadCharChain( CharacterSource & io_rText ) 41 { 42 // KORR_FUTURE 43 // Counting of lines must be implemented. 44 if (bCurrentModeIsMultiline) 45 { 46 char cNext = NULCH; 47 48 do { 49 do { 50 cNext = jumpTo( io_rText,'*',char(10) ); 51 if (cNext == NULCH) 52 throw X_Parser( X_Parser::x_UnexpectedEOF, "", String::Null_(), 0 ); 53 else if ( cNext == char(10) ) 54 { 55 jumpOverEol(io_rText); 56 Dealer().Deal_Eol(); 57 } 58 } while ( cNext != '*'); 59 cNext = jumpOver(io_rText,'*'); 60 if (cNext == NULCH) 61 throw X_Parser( X_Parser::x_UnexpectedEOF, "", String::Null_(), 0 ); 62 } while (cNext != '/'); 63 io_rText.MoveOn(); 64 io_rText.CutToken(); 65 SetNewToken(0); 66 } 67 else // 68 { 69 int o_rCount_BackslashedLineBreaks = 0; 70 jumpToEol(io_rText,o_rCount_BackslashedLineBreaks); 71 for ( ; o_rCount_BackslashedLineBreaks > 0; --o_rCount_BackslashedLineBreaks ) 72 Dealer().Deal_Eol(); 73 74 if (io_rText.CurChar() != NULCH) 75 jumpOverEol(io_rText); 76 io_rText.CutToken(); 77 Dealer().Deal_Eol(); 78 SetNewToken(0); 79 } // endif 80 } 81 82 83 void 84 Context_ConstString::ReadCharChain( CharacterSource & io_rText ) 85 { 86 char cNext = io_rText.MoveOn(); 87 88 while (cNext != '"') 89 { // Get one complete string constant: "...." 90 while (cNext != '"' AND cNext != '\\') 91 { // Get string till next '\\' 92 cNext = io_rText.MoveOn(); 93 } 94 if (cNext == '\\') 95 { 96 io_rText.MoveOn(); 97 cNext = io_rText.MoveOn(); 98 } 99 } 100 io_rText.MoveOn(); 101 SetNewToken(new Tok_Constant(io_rText.CutToken())); 102 } 103 104 void 105 Context_ConstChar::ReadCharChain( CharacterSource & io_rText ) 106 { 107 char cNext = io_rText.MoveOn(); 108 109 while (cNext != '\'') 110 { // Get one complete char constant: "...." 111 while (cNext != '\'' AND cNext != '\\') 112 { // Get string till next '\\' 113 cNext = io_rText.MoveOn(); 114 } 115 if (cNext == '\\') 116 { 117 io_rText.MoveOn(); 118 cNext = io_rText.MoveOn(); 119 } 120 } 121 io_rText.MoveOn(); 122 SetNewToken(new Tok_Constant(io_rText.CutToken())); 123 } 124 125 void 126 Context_ConstNumeric::ReadCharChain(CharacterSource & io_rText) 127 { 128 char cNext = 0; 129 130 do { 131 do { 132 cNext = static_cast<char>( tolower(io_rText.MoveOn()) ); 133 } while ( (cNext != 'e' AND isalnum(cNext)) OR cNext == '.'); 134 if (cNext == 'e') 135 { 136 cNext = io_rText.MoveOn(); 137 if (cNext == '+' OR cNext == '-') 138 cNext = io_rText.MoveOn(); 139 } // endif 140 } while (isalnum(cNext) OR cNext == '.'); // Reicht aus, wenn Zahlen korrekt geschrieben sind 141 SetNewToken(new Tok_Constant(io_rText.CutToken())); 142 } 143 144 void 145 Context_UnblockMacro::ReadCharChain(CharacterSource & io_rText) 146 { 147 jumpToWhite(io_rText); 148 SetNewToken(new Tok_UnblockMacro( io_rText.CutToken() + strlen("#unblock-") )); 149 } 150 151 } // namespace cpp 152