[657] | 1 | /* definitions */ |
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| 2 | digit [0-9] |
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| 3 | char [a-zA-Z_.] |
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| 4 | alphanum [0-9a-zA-Z_] |
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| 5 | |
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| 6 | %option prefix="rc10_" |
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| 7 | %{ /* code to be included */ |
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| 8 | |
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| 9 | #include <stdlib.h> |
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| 10 | #include "rc1.0_combiners.h" |
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| 11 | #include "_rc1.0_parser.h" |
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| 12 | |
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| 13 | #ifdef _WIN32 |
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| 14 | # include <windows.h> |
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| 15 | #endif |
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| 16 | |
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| 17 | #if defined(__APPLE__) && defined(__GNUC__) |
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| 18 | #include <OpenGL/gl.h> |
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| 19 | #include "glext.h" |
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| 20 | #else |
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| 21 | #include <GL/gl.h> |
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| 22 | #include <GL/glext.h> |
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| 23 | #endif |
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| 24 | |
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| 25 | #include "nvparse_errors.h" |
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| 26 | #include "nvparse_externs.h" |
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| 27 | |
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| 28 | #define YY_INPUT(buf,result,max_size) \ |
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| 29 | { \ |
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| 30 | result = 0; \ |
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| 31 | while (*myin && result < max_size) \ |
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| 32 | buf[result++] = *myin++; \ |
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| 33 | } |
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| 34 | |
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| 35 | #define YY_ALWAYS_INTERACTIVE 1 |
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| 36 | |
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| 37 | %} |
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| 38 | /* end of definitions */ |
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| 39 | %% |
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| 40 | |
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| 41 | \/\* { |
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| 42 | A: |
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| 43 | switch (yyinput()) { |
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| 44 | case '*': goto B; |
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| 45 | case 0: errors.set("end-of-file in comment", line_number); break; |
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| 46 | case '\n': line_number++; |
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| 47 | default: goto A; |
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| 48 | } |
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| 49 | B: |
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| 50 | switch (yyinput()) { |
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| 51 | case '*': goto B; |
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| 52 | case '/': break; |
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| 53 | case 0: errors.set("end-of-file in comment", line_number); break; |
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| 54 | case '\n': line_number++; |
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| 55 | default: goto A; |
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| 56 | } |
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| 57 | } |
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| 58 | |
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| 59 | \/\/ { |
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| 60 | char ch; |
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| 61 | while ((ch = yyinput()) != '\n'); |
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| 62 | if (ch == '\n') line_number++; |
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| 63 | } |
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| 64 | |
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| 65 | \# { |
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| 66 | char ch; |
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| 67 | while ((ch = yyinput()) != '\n'); |
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| 68 | if (ch == '\n') line_number++; |
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| 69 | } |
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| 70 | |
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| 71 | !!RC1\.0 { /* eat header */ } |
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| 72 | |
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| 73 | fog\.rgb { |
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| 74 | rc10_lval.registerEnum.word = RCP_FOG_RGB; |
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| 75 | return(regVariable); |
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| 76 | } |
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| 77 | fog\.a { |
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| 78 | rc10_lval.registerEnum.word = RCP_FOG_ALPHA; |
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| 79 | return(regVariable); |
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| 80 | } |
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| 81 | fog\.b { |
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| 82 | rc10_lval.registerEnum.word = RCP_FOG_BLUE; |
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| 83 | return(regVariable); |
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| 84 | } |
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| 85 | fog { |
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| 86 | rc10_lval.registerEnum.word = RCP_FOG; |
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| 87 | return(regVariable); |
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| 88 | } |
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| 89 | |
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| 90 | col0\.rgb { |
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| 91 | rc10_lval.registerEnum.word = RCP_PRIMARY_COLOR_RGB; |
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| 92 | return(regVariable); |
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| 93 | } |
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| 94 | col0\.a { |
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| 95 | rc10_lval.registerEnum.word = RCP_PRIMARY_COLOR_ALPHA; |
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| 96 | return(regVariable); |
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| 97 | } |
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| 98 | col0\.b { |
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| 99 | rc10_lval.registerEnum.word = RCP_PRIMARY_COLOR_BLUE; |
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| 100 | return(regVariable); |
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| 101 | } |
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| 102 | col0 { |
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| 103 | rc10_lval.registerEnum.word = RCP_PRIMARY_COLOR; |
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| 104 | return(regVariable); |
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| 105 | } |
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| 106 | |
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| 107 | col1\.rgb { |
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| 108 | rc10_lval.registerEnum.word = RCP_SECONDARY_COLOR_RGB; |
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| 109 | return(regVariable); |
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| 110 | } |
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| 111 | col1\.a { |
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| 112 | rc10_lval.registerEnum.word = RCP_SECONDARY_COLOR_ALPHA; |
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| 113 | return(regVariable); |
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| 114 | } |
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| 115 | col1\.b { |
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| 116 | rc10_lval.registerEnum.word = RCP_SECONDARY_COLOR_BLUE; |
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| 117 | return(regVariable); |
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| 118 | } |
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| 119 | col1 { |
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| 120 | rc10_lval.registerEnum.word = RCP_SECONDARY_COLOR; |
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| 121 | return(regVariable); |
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| 122 | } |
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| 123 | |
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| 124 | spare0\.rgb { |
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| 125 | rc10_lval.registerEnum.word = RCP_SPARE0_RGB; |
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| 126 | return(regVariable); |
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| 127 | } |
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| 128 | spare0\.a { |
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| 129 | rc10_lval.registerEnum.word = RCP_SPARE0_ALPHA; |
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| 130 | return(regVariable); |
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| 131 | } |
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| 132 | spare0\.b { |
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| 133 | rc10_lval.registerEnum.word = RCP_SPARE0_BLUE; |
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| 134 | return(regVariable); |
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| 135 | } |
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| 136 | spare0 { |
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| 137 | rc10_lval.registerEnum.word = RCP_SPARE0; |
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| 138 | return(regVariable); |
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| 139 | } |
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| 140 | |
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| 141 | spare1\.rgb { |
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| 142 | rc10_lval.registerEnum.word = RCP_SPARE1_RGB; |
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| 143 | return(regVariable); |
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| 144 | } |
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| 145 | spare1\.a { |
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| 146 | rc10_lval.registerEnum.word = RCP_SPARE1_ALPHA; |
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| 147 | return(regVariable); |
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| 148 | } |
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| 149 | spare1\.b { |
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| 150 | rc10_lval.registerEnum.word = RCP_SPARE1_BLUE; |
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| 151 | return(regVariable); |
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| 152 | } |
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| 153 | spare1 { |
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| 154 | rc10_lval.registerEnum.word = RCP_SPARE1; |
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| 155 | return(regVariable); |
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| 156 | } |
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| 157 | |
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| 158 | tex0\.rgb { |
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| 159 | rc10_lval.registerEnum.word = RCP_TEXTURE0_RGB; |
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| 160 | return(regVariable); |
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| 161 | } |
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| 162 | tex0\.a { |
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| 163 | rc10_lval.registerEnum.word = RCP_TEXTURE0_ALPHA; |
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| 164 | return(regVariable); |
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| 165 | } |
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| 166 | tex0\.b { |
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| 167 | rc10_lval.registerEnum.word = RCP_TEXTURE0_BLUE; |
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| 168 | return(regVariable); |
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| 169 | } |
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| 170 | tex0 { |
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| 171 | rc10_lval.registerEnum.word = RCP_TEXTURE0; |
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| 172 | return(regVariable); |
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| 173 | } |
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| 174 | |
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| 175 | tex1\.rgb { |
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| 176 | rc10_lval.registerEnum.word = RCP_TEXTURE1_RGB; |
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| 177 | return(regVariable); |
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| 178 | } |
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| 179 | tex1\.a { |
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| 180 | rc10_lval.registerEnum.word = RCP_TEXTURE1_ALPHA; |
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| 181 | return(regVariable); |
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| 182 | } |
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| 183 | tex1\.b { |
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| 184 | rc10_lval.registerEnum.word = RCP_TEXTURE1_BLUE; |
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| 185 | return(regVariable); |
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| 186 | } |
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| 187 | tex1 { |
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| 188 | rc10_lval.registerEnum.word = RCP_TEXTURE1; |
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| 189 | return(regVariable); |
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| 190 | } |
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| 191 | |
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| 192 | tex2\.rgb { |
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| 193 | rc10_lval.registerEnum.word = RCP_TEXTURE2_RGB; |
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| 194 | return(regVariable); |
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| 195 | } |
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| 196 | tex2\.a { |
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| 197 | rc10_lval.registerEnum.word = RCP_TEXTURE2_ALPHA; |
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| 198 | return(regVariable); |
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| 199 | } |
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| 200 | tex2\.b { |
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| 201 | rc10_lval.registerEnum.word = RCP_TEXTURE2_BLUE; |
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| 202 | return(regVariable); |
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| 203 | } |
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| 204 | tex2 { |
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| 205 | rc10_lval.registerEnum.word = RCP_TEXTURE2; |
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| 206 | return(regVariable); |
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| 207 | } |
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| 208 | |
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| 209 | tex3\.rgb { |
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| 210 | rc10_lval.registerEnum.word = RCP_TEXTURE3_RGB; |
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| 211 | return(regVariable); |
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| 212 | } |
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| 213 | tex3\.a { |
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| 214 | rc10_lval.registerEnum.word = RCP_TEXTURE3_ALPHA; |
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| 215 | return(regVariable); |
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| 216 | } |
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| 217 | tex3\.b { |
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| 218 | rc10_lval.registerEnum.word = RCP_TEXTURE3_BLUE; |
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| 219 | return(regVariable); |
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| 220 | } |
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| 221 | tex3 { |
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| 222 | rc10_lval.registerEnum.word = RCP_TEXTURE3; |
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| 223 | return(regVariable); |
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| 224 | } |
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| 225 | |
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| 226 | const0\.rgb { |
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| 227 | rc10_lval.registerEnum.word = RCP_CONST_COLOR0_RGB; |
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| 228 | return(regVariable); |
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| 229 | } |
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| 230 | const0\.a { |
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| 231 | rc10_lval.registerEnum.word = RCP_CONST_COLOR0_ALPHA; |
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| 232 | return(regVariable); |
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| 233 | } |
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| 234 | const0\.b { |
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| 235 | rc10_lval.registerEnum.word = RCP_CONST_COLOR0_BLUE; |
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| 236 | return(regVariable); |
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| 237 | } |
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| 238 | const0 { |
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| 239 | rc10_lval.registerEnum.word = RCP_CONST_COLOR0; |
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| 240 | return(constVariable); |
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| 241 | } |
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| 242 | |
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| 243 | const1\.rgb { |
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| 244 | rc10_lval.registerEnum.word = RCP_CONST_COLOR1_RGB; |
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| 245 | return(regVariable); |
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| 246 | } |
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| 247 | const1\.a { |
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| 248 | rc10_lval.registerEnum.word = RCP_CONST_COLOR1_ALPHA; |
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| 249 | return(regVariable); |
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| 250 | } |
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| 251 | const1\.b { |
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| 252 | rc10_lval.registerEnum.word = RCP_CONST_COLOR1_BLUE; |
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| 253 | return(regVariable); |
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| 254 | } |
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| 255 | const1 { |
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| 256 | rc10_lval.registerEnum.word = RCP_CONST_COLOR1; |
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| 257 | return(constVariable); |
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| 258 | } |
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| 259 | |
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| 260 | zero\.rgb { |
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| 261 | rc10_lval.registerEnum.word = RCP_ZERO_RGB; |
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| 262 | return(regVariable); |
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| 263 | } |
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| 264 | zero\.a { |
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| 265 | rc10_lval.registerEnum.word = RCP_ZERO_ALPHA; |
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| 266 | return(regVariable); |
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| 267 | } |
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| 268 | zero\.b { |
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| 269 | rc10_lval.registerEnum.word = RCP_ZERO_BLUE; |
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| 270 | return(regVariable); |
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| 271 | } |
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| 272 | zero { |
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| 273 | rc10_lval.registerEnum.word = RCP_ZERO; |
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| 274 | return(regVariable); |
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| 275 | } |
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| 276 | |
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| 277 | one\.rgb { |
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| 278 | rc10_lval.registerEnum.word = RCP_ONE_RGB; |
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| 279 | return(regVariable); |
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| 280 | } |
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| 281 | one\.a { |
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| 282 | rc10_lval.registerEnum.word = RCP_ONE_ALPHA; |
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| 283 | return(regVariable); |
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| 284 | } |
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| 285 | one\.b { |
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| 286 | rc10_lval.registerEnum.word = RCP_ONE_BLUE; |
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| 287 | return(regVariable); |
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| 288 | } |
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| 289 | one { |
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| 290 | rc10_lval.registerEnum.word = RCP_ONE; |
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| 291 | return(regVariable); |
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| 292 | } |
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| 293 | |
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| 294 | discard { |
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| 295 | rc10_lval.registerEnum.word = RCP_DISCARD; |
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| 296 | return(regVariable); |
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| 297 | } |
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| 298 | |
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| 299 | out\.rgb return(fragment_rgb); |
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| 300 | out\.a return(fragment_alpha); |
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| 301 | |
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| 302 | final_product { |
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| 303 | rc10_lval.registerEnum.word = RCP_FINAL_PRODUCT; |
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| 304 | return(final_product); |
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| 305 | } |
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| 306 | |
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| 307 | color_sum { |
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| 308 | rc10_lval.registerEnum.word = RCP_COLOR_SUM; |
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| 309 | return(color_sum); |
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| 310 | } |
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| 311 | |
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| 312 | expand return(expandString); |
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| 313 | half_bias return(halfBiasString); |
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| 314 | unsigned return(unsignedString); |
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| 315 | unsigned_invert return(unsignedInvertString); |
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| 316 | mux { |
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| 317 | rc10_lval.ival = GL_TRUE; |
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| 318 | return(muxString); |
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| 319 | } |
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| 320 | |
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| 321 | sum { |
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| 322 | rc10_lval.ival = GL_FALSE; |
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| 323 | return(sumString); |
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| 324 | } |
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| 325 | |
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| 326 | rgb { |
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| 327 | rc10_lval.ival = RCP_RGB; |
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| 328 | return(rgb_portion); |
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| 329 | } |
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| 330 | alpha { |
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| 331 | rc10_lval.ival = RCP_ALPHA; |
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| 332 | return(alpha_portion); |
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| 333 | } |
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| 334 | |
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| 335 | clamp_color_sum { |
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| 336 | rc10_lval.ival = true; |
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| 337 | return(clamp_color_sum); |
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| 338 | } |
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| 339 | lerp return(lerp); |
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| 340 | |
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| 341 | |
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| 342 | bias_by_negative_one_half_scale_by_two { |
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| 343 | rc10_lval.biasScaleEnum.word = RCP_BIAS_BY_NEGATIVE_ONE_HALF_SCALE_BY_TWO; |
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| 344 | return(bias_by_negative_one_half_scale_by_two); |
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| 345 | } |
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| 346 | bias_by_negative_one_half { |
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| 347 | rc10_lval.biasScaleEnum.word = RCP_BIAS_BY_NEGATIVE_ONE_HALF; |
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| 348 | return(bias_by_negative_one_half); |
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| 349 | } |
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| 350 | scale_by_one_half { |
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| 351 | rc10_lval.biasScaleEnum.word = RCP_SCALE_BY_ONE_HALF; |
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| 352 | return(scale_by_one_half); |
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| 353 | } |
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| 354 | scale_by_two { |
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| 355 | rc10_lval.biasScaleEnum.word = RCP_SCALE_BY_TWO; |
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| 356 | return(scale_by_two); |
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| 357 | } |
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| 358 | scale_by_four { |
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| 359 | rc10_lval.biasScaleEnum.word = RCP_SCALE_BY_FOUR; |
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| 360 | return(scale_by_four); |
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| 361 | } |
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| 362 | |
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| 363 | [+-]?[0-9]+\.[0-9]* { |
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| 364 | rc10_lval.fval = (float)atof(yytext); |
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| 365 | return(floatValue); |
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| 366 | } |
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| 367 | |
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| 368 | [+-]?[0-9]*\.[0-9]+ { |
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| 369 | rc10_lval.fval = (float)atof(yytext); |
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| 370 | return(floatValue); |
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| 371 | } |
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| 372 | |
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| 373 | [+-]?[0-9]+ { |
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| 374 | rc10_lval.fval = (float)atof(yytext); |
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| 375 | return(floatValue); |
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| 376 | } |
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| 377 | |
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| 378 | \{ return(openBracket); |
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| 379 | \} return(closeBracket); |
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| 380 | \( return(openParen); |
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| 381 | \) return(closeParen); |
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| 382 | ; return(semicolon); |
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| 383 | , return(comma); |
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| 384 | \. return(dot); |
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| 385 | \* return(times); |
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| 386 | - return(minus); |
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| 387 | \+ return(plus); |
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| 388 | = return(equals); |
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| 389 | |
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| 390 | \r*\n { |
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| 391 | line_number++; |
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| 392 | } |
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| 393 | |
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| 394 | [ \t]+ {} |
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| 395 | |
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| 396 | {alphanum}+ { |
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| 397 | errors.set("unrecognized token", line_number); |
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| 398 | } |
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| 399 | |
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| 400 | |
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| 401 | %% |
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| 402 | |
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| 403 | bool rc10_init_more(); |
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| 404 | |
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| 405 | bool rc10_init(char* inputString) |
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| 406 | { |
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| 407 | myin = inputString; |
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| 408 | return rc10_init_more(); |
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| 409 | } |
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| 410 | |
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| 411 | #ifndef rc10_wrap |
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| 412 | int rc10_wrap(void) |
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| 413 | { |
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| 414 | return(1); |
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| 415 | } |
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| 416 | #endif |
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