1 | /* |
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2 | protos.h |
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3 | |
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4 | Original version: Ed McCreight: 30 Oct 90 |
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5 | Edit History: |
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6 | Ed McCreight: 30 Oct 90 |
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7 | End Edit History. |
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8 | |
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9 | */ |
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10 | |
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11 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
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12 | * |
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13 | * This source code is provided to you by Adobe on a non-exclusive, |
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14 | * royalty-free basis to facilitate your development of PostScript |
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15 | * language programs. You may incorporate it into your software as is |
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16 | * or modified, provided that you include the following copyright |
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17 | * notice with every copy of your software containing any portion of |
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18 | * this source code. |
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19 | * |
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20 | * Copyright 1990 Adobe Systems Incorporated. All Rights Reserved. |
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21 | * |
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22 | * Adobe does not warrant or guarantee that this source code will |
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23 | * perform in any manner. You alone assume any risks and |
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24 | * responsibilities associated with implementing, using or |
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25 | * incorporating this source code into your software. |
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26 | * |
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27 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
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28 | |
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29 | #ifndef PROTOS_H |
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30 | #define PROTOS_H |
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31 | |
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32 | #ifndef PROTOTYPES |
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33 | #ifdef __STDC__ |
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34 | #define PROTOTYPES __STDC__ |
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35 | #else /* __STDC__ */ |
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36 | #define PROTOTYPES 0 |
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37 | #endif /* __STDC__ */ |
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38 | #endif /* PROTOTYPES */ |
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39 | |
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40 | /* |
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41 | * PROTOTYPES indicates whether or not ANSI function prototypes |
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42 | * are to be generated (or else ignored as comments) in compiling the |
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43 | * product. Such function prototype macros should look something like this: |
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44 | */ |
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45 | |
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46 | #if 0 /* * * B e g i n c o m m e n t * * */ |
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47 | |
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48 | /* ... in foozle.h: */ |
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49 | |
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50 | extern procedure foo ARGDECL2(integer, arg1, char *, arg2); |
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51 | /* if PROTOTYPES, expands to |
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52 | |
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53 | extern procedure foo (integer arg1, char * arg2); |
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54 | |
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55 | if not, expands to |
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56 | |
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57 | extern procedure foo (); |
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58 | */ |
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59 | |
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60 | |
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61 | /* ... in foozle.c: */ |
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62 | |
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63 | public procedure foo ARGDEF2(integer, arg1, char *, arg2) |
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64 | /* if PROTOTYPES, expands to |
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65 | |
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66 | public procedure foo (integer arg1, char * arg2) |
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67 | |
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68 | if not, expands to |
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69 | |
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70 | public procedure foo (arg1, arg2) |
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71 | integer arg1; |
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72 | char * arg2; |
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73 | */ |
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74 | { |
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75 | ... |
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76 | } |
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77 | |
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78 | #endif /* * * E n d c o m m e n t * * */ |
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79 | |
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80 | /* |
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81 | * In a non-ANSI system prototypes are good documentation. |
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82 | * They also help ANSI compilers catch type-mismatch errors. |
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83 | * |
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84 | * Portability warning: Prototypes alter the rules for function argument |
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85 | * type conversions. Be sure that all references |
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86 | * to prototype-defined functions are in the scope of prototype |
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87 | * declarations, and that any function that is prototype-declared |
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88 | * is also prototype-defined. The latter can be checked by the compiler, |
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89 | * but the former generally cannot. Since a prototyped definition |
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90 | * serve as a prototyped declaration, a private function does not |
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91 | * need a separate declaration if its definition textually precedes |
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92 | * its first use. This definition-before-use order is natural to |
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93 | * Pascal programmers. |
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94 | */ |
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95 | |
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96 | #if PROTOTYPES |
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97 | |
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98 | #define ARGDEF0() \ |
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99 | (void) |
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100 | #define ARGDEF1(t1,v1) \ |
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101 | (t1 v1) |
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102 | #define ARGDEF2(t1,v1,t2,v2) \ |
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103 | (t1 v1,t2 v2) |
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104 | #define ARGDEF3(t1,v1,t2,v2,t3,v3) \ |
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105 | (t1 v1,t2 v2,t3 v3) |
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106 | #define ARGDEF4(t1,v1,t2,v2,t3,v3,t4,v4) \ |
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107 | (t1 v1,t2 v2,t3 v3,t4 v4) |
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108 | #define ARGDEF5(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5) \ |
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109 | (t1 v1,t2 v2,t3 v3,t4 v4,t5 v5) |
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110 | #define ARGDEF6(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6) \ |
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111 | (t1 v1,t2 v2,t3 v3,t4 v4,t5 v5,t6 v6) |
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112 | #define ARGDEF7(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7) \ |
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113 | (t1 v1,t2 v2,t3 v3,t4 v4,t5 v5,t6 v6,t7 v7) |
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114 | #define ARGDEF8(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7,t8,v8) \ |
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115 | (t1 v1,t2 v2,t3 v3,t4 v4,t5 v5,t6 v6,t7 v7,t8 v8) |
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116 | #define ARGDEF9(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7,t8,v8,t9,v9) \ |
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117 | (t1 v1,t2 v2,t3 v3,t4 v4,t5 v5,t6 v6,t7 v7,t8 v8,t9 v9) |
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118 | #define ARGDEF10(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7,t8,v8,t9,v9,t10,v10) \ |
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119 | (t1 v1,t2 v2,t3 v3,t4 v4,t5 v5,t6 v6,t7 v7,t8 v8,t9 v9,t10 v10) |
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120 | |
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121 | #define ARGDEFV1(t1,v1) \ |
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122 | (t1 v1, ...) |
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123 | #define ARGDEFV2(t1,v1,t2,v2) \ |
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124 | (t1 v1,t2 v2, ...) |
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125 | #define ARGDEFV3(t1,v1,t2,v2,t3,v3) \ |
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126 | (t1 v1,t2 v2,t3 v3, ...) |
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127 | |
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128 | #define ARGDECL0 ARGDEF0 |
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129 | #define ARGDECL1 ARGDEF1 |
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130 | #define ARGDECL2 ARGDEF2 |
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131 | #define ARGDECL3 ARGDEF3 |
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132 | #define ARGDECL4 ARGDEF4 |
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133 | #define ARGDECL5 ARGDEF5 |
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134 | #define ARGDECL6 ARGDEF6 |
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135 | #define ARGDECL7 ARGDEF7 |
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136 | #define ARGDECL8 ARGDEF8 |
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137 | #define ARGDECL9 ARGDEF9 |
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138 | |
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139 | #define ARGDECLV1 ARGDEFV1 |
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140 | #define ARGDECLV2 ARGDEFV2 |
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141 | #define ARGDECLV3 ARGDEFV3 |
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142 | |
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143 | #else /* PROTOTYPES */ |
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144 | |
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145 | #define ARGDEF0() \ |
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146 | () |
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147 | #define ARGDEF1(t1,v1) \ |
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148 | (v1) t1 v1; |
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149 | #define ARGDEF2(t1,v1,t2,v2) \ |
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150 | (v1,v2) t1 v1; t2 v2; |
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151 | #define ARGDEF3(t1,v1,t2,v2,t3,v3) \ |
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152 | (v1,v2,v3) t1 v1; t2 v2; t3 v3; |
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153 | #define ARGDEF4(t1,v1,t2,v2,t3,v3,t4,v4) \ |
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154 | (v1,v2,v3,v4) t1 v1; t2 v2; t3 v3; t4 v4; |
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155 | #define ARGDEF5(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5) \ |
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156 | (v1,v2,v3,v4,v5) t1 v1; t2 v2; t3 v3; t4 v4; t5 v5; |
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157 | #define ARGDEF6(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6) \ |
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158 | (v1,v2,v3,v4,v5,v6) t1 v1; t2 v2; t3 v3; t4 v4; t5 v5; t6 v6; |
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159 | #define ARGDEF7(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7) \ |
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160 | (v1,v2,v3,v4,v5,v6,v7) \ |
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161 | t1 v1; t2 v2; t3 v3; t4 v4; t5 v5; t6 v6; t7 v7; |
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162 | #define ARGDEF8(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7,t8,v8) \ |
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163 | (v1,v2,v3,v4,v5,v6,v7,v8) \ |
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164 | t1 v1; t2 v2; t3 v3; t4 v4; t5 v5; t6 v6; t7 v7; t8 v8; |
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165 | #define ARGDEF9(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7,t8,v8,t9,v9) \ |
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166 | (v1,v2,v3,v4,v5,v6,v7,v8,v9) \ |
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167 | t1 v1; t2 v2; t3 v3; t4 v4; t5 v5; t6 v6; t7 v7; t8 v8; t9 v9; |
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168 | #define ARGDEF10(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7,t8,v8,t9,v9,t10,v10) \ |
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169 | (v1,v2,v3,v4,v5,v6,v7,v8,v9,v10) \ |
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170 | t1 v1; t2 v2; t3 v3; t4 v4; t5 v5; t6 v6; t7 v7; t8 v8; t9 v9; t10 v10; |
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171 | |
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172 | |
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173 | #define ARGDEFV1(t1,v1) \ |
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174 | (v1, ...) t1 v1; |
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175 | #define ARGDEFV2(t1,v1,t2,v2) \ |
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176 | (v1,v2, ...) t1 v1; t2 v2; |
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177 | #define ARGDEFV3(t1,v1,t2,v2,t3,v3) \ |
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178 | (v1,v2,v3, ...) t1 v1; t2 v2; t3 v3; |
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179 | |
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180 | #define ARGDECL0() \ |
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181 | () |
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182 | #define ARGDECL1(t1,v1) \ |
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183 | () |
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184 | #define ARGDECL2(t1,v1,t2,v2) \ |
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185 | () |
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186 | #define ARGDECL3(t1,v1,t2,v2,t3,v3) \ |
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187 | () |
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188 | #define ARGDECL4(t1,v1,t2,v2,t3,v3,t4,v4) \ |
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189 | () |
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190 | #define ARGDECL5(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5) \ |
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191 | () |
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192 | #define ARGDECL6(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6) \ |
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193 | () |
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194 | #define ARGDECL7(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7) \ |
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195 | () |
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196 | #define ARGDECL8(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7,t8,v8) \ |
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197 | () |
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198 | #define ARGDECL9(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7,t8,v8,t9,v9) \ |
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199 | () |
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200 | #define ARGDECL10(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7,t8,v8,t9,v9,t10,v10) \ |
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201 | () |
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202 | |
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203 | #define ARGDECLV1(t1,v1) \ |
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204 | () |
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205 | #define ARGDECLV2(t1,v1,t2,v2) \ |
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206 | () |
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207 | #define ARGDECLV3(t1,v1,t2,v2,t3,v3) \ |
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208 | () |
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209 | |
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210 | #endif /* PROTOTYPES */ |
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211 | |
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212 | #endif /* PROTOS_H */ |
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