1 //
2 // Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
3 // Copyright (C) 2013 LunarG, Inc.
4 // All rights reserved.
5 //
6 // Redistribution and use in source and binary forms, with or without
7 // modification, are permitted provided that the following conditions
8 // are met:
9 //
10 // Redistributions of source code must retain the above copyright
11 // notice, this list of conditions and the following disclaimer.
12 //
13 // Redistributions in binary form must reproduce the above
14 // copyright notice, this list of conditions and the following
15 // disclaimer in the documentation and/or other materials provided
16 // with the distribution.
17 //
18 // Neither the name of 3Dlabs Inc. Ltd. nor the names of its
19 // contributors may be used to endorse or promote products derived
20 // from this software without specific prior written permission.
21 //
22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
30 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
32 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 // POSSIBILITY OF SUCH DAMAGE.
34 //
35 /****************************************************************************\
36 Copyright (c) 2002, NVIDIA Corporation.
37
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71 TO, LOST PROFITS; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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77 \****************************************************************************/
78
79 #ifndef _CRT_SECURE_NO_WARNINGS
80 #define _CRT_SECURE_NO_WARNINGS
81 #endif
82
83 #include <cassert>
84 #include <cstdlib>
85 #include <cstring>
86
87 #include "PpContext.h"
88 #include "PpTokens.h"
89
90 namespace {
91
92 using namespace glslang;
93
94 const struct {
95 int val;
96 const char* str;
97 } tokens[] = {
98
99 { PPAtomAddAssign, "+=" },
100 { PPAtomSubAssign, "-=" },
101 { PPAtomMulAssign, "*=" },
102 { PPAtomDivAssign, "/=" },
103 { PPAtomModAssign, "%=" },
104
105 { PpAtomRight, ">>" },
106 { PpAtomLeft, "<<" },
107 { PpAtomAnd, "&&" },
108 { PpAtomOr, "||" },
109 { PpAtomXor, "^^" },
110
111 { PpAtomRightAssign, ">>=" },
112 { PpAtomLeftAssign, "<<=" },
113 { PpAtomAndAssign, "&=" },
114 { PpAtomOrAssign, "|=" },
115 { PpAtomXorAssign, "^=" },
116
117 { PpAtomEQ, "==" },
118 { PpAtomNE, "!=" },
119 { PpAtomGE, ">=" },
120 { PpAtomLE, "<=" },
121
122 { PpAtomDecrement, "--" },
123 { PpAtomIncrement, "++" },
124
125 { PpAtomColonColon, "::" },
126
127 { PpAtomDefine, "define" },
128 { PpAtomUndef, "undef" },
129 { PpAtomIf, "if" },
130 { PpAtomElif, "elif" },
131 { PpAtomElse, "else" },
132 { PpAtomEndif, "endif" },
133 { PpAtomIfdef, "ifdef" },
134 { PpAtomIfndef, "ifndef" },
135 { PpAtomLine, "line" },
136 { PpAtomPragma, "pragma" },
137 { PpAtomError, "error" },
138
139 { PpAtomVersion, "version" },
140 { PpAtomCore, "core" },
141 { PpAtomCompatibility, "compatibility" },
142 { PpAtomEs, "es" },
143 { PpAtomExtension, "extension" },
144
145 { PpAtomLineMacro, "__LINE__" },
146 { PpAtomFileMacro, "__FILE__" },
147 { PpAtomVersionMacro, "__VERSION__" },
148
149 { PpAtomInclude, "include" },
150 };
151
152 } // end anonymous namespace
153
154 namespace glslang {
155
156 //
157 // Initialize the atom table.
158 //
TStringAtomMap()159 TStringAtomMap::TStringAtomMap()
160 {
161 badToken.assign("<bad token>");
162
163 // Add single character tokens to the atom table:
164 const char* s = "~!%^&*()-+=|,.<>/?;:[]{}#\\";
165 char t[2];
166
167 t[1] = '\0';
168 while (*s) {
169 t[0] = *s;
170 addAtomFixed(t, s[0]);
171 s++;
172 }
173
174 // Add multiple character scanner tokens :
175 for (size_t ii = 0; ii < sizeof(tokens)/sizeof(tokens[0]); ii++)
176 addAtomFixed(tokens[ii].str, tokens[ii].val);
177
178 nextAtom = PpAtomLast;
179 }
180
181 } // end namespace glslang
182