annotate macro.c @ 22:cef2dc916269

honor mode.do_output
author David A. Holland
date Mon, 20 Dec 2010 04:17:32 -0500
parents e3fab8f1b52c
children 18681e5ae6e4
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1 #include <stdlib.h>
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2 #include <string.h>
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3
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4 #include "array.h"
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5 #include "mode.h"
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6 #include "place.h"
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7 #include "macro.h"
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8 #include "output.h"
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9
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10 struct expansionitem {
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11 bool isstring;
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12 union {
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13 char *string;
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14 unsigned param;
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15 };
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16 };
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17 DECLARRAY(expansionitem);
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18 DEFARRAY(expansionitem, );
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20 struct macro {
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21 struct place defplace;
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22 struct place expansionplace;
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23 unsigned hash;
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24 char *name;
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25 bool hasparams;
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26 struct stringarray params;
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27 struct expansionitemarray expansion;
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28 bool inuse;
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29 };
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30 DECLARRAY(macro);
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31 DEFARRAY(macro, );
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32 DECLARRAY(macroarray);
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33 DEFARRAY(macroarray, );
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34
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35 static struct macroarrayarray macros;
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36 static unsigned total_macros;
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37 static unsigned hashmask;
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38
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39 ////////////////////////////////////////////////////////////
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40 // macro structure ops
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41
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42 static
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43 struct expansionitem *
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44 expansionitem_create_string(const char *string)
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45 {
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46 struct expansionitem *ei;
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47
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48 ei = domalloc(sizeof(*ei));
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49 ei->isstring = true;
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50 ei->string = dostrdup(string);
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51 return ei;
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52 }
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53
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54 static
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55 struct expansionitem *
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56 expansionitem_create_stringlen(const char *string, size_t len)
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57 {
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58 struct expansionitem *ei;
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59
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60 ei = domalloc(sizeof(*ei));
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61 ei->isstring = true;
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62 ei->string = dostrndup(string, len);
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63 return ei;
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64 }
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65
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66 static
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67 struct expansionitem *
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68 expansionitem_create_param(unsigned param)
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69 {
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70 struct expansionitem *ei;
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71
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72 ei = domalloc(sizeof(*ei));
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73 ei->isstring = false;
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74 ei->param = param;
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75 return ei;
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76 }
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77
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78 static
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79 void
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80 expansionitem_destroy(struct expansionitem *ei)
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81 {
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82 if (ei->isstring) {
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83 free(ei->string);
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84 }
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85 free(ei);
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86 }
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87
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88 static
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89 bool
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90 expansionitem_eq(const struct expansionitem *ei1,
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91 const struct expansionitem *ei2)
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92 {
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93 if (ei1->isstring != ei2->isstring) {
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94 return false;
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95 }
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96 if (ei1->isstring) {
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97 if (strcmp(ei1->string, ei2->string) != 0) {
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98 return false;
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99 }
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100 } else {
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101 if (ei1->param != ei2->param) {
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102 return false;
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103 }
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104 }
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105 return true;
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106 }
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107
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108 static
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109 struct macro *
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110 macro_create(struct place *p1, const char *name, unsigned hash,
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111 struct place *p2)
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112 {
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113 struct macro *m;
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114
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115 m = domalloc(sizeof(*m));
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116 m->defplace = *p1;
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117 m->expansionplace = *p2;
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118 m->hash = hash;
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119 m->name = dostrdup(name);
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120 m->hasparams = false;
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121 stringarray_init(&m->params);
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122 expansionitemarray_init(&m->expansion);
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123 m->inuse = false;
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124 return m;
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125 }
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126
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127 DESTROYALL_ARRAY(expansionitem, );
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128
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129 static
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130 void
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131 macro_destroy(struct macro *m)
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132 {
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133 expansionitemarray_destroyall(&m->expansion);
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134 expansionitemarray_cleanup(&m->expansion);
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135 free(m->name);
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136 free(m);
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137 }
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138
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139 static
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140 bool
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141 macro_eq(const struct macro *m1, const struct macro *m2)
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142 {
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143 unsigned num1, num2, i;
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144 struct expansionitem *ei1, *ei2;
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145 const char *p1, *p2;
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146
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147 if (strcmp(m1->name, m2->name) != 0) {
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148 return false;
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149 }
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150
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151 if (m1->hasparams != m2->hasparams) {
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152 return false;
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153 }
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154
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155 num1 = expansionitemarray_num(&m1->expansion);
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156 num2 = expansionitemarray_num(&m2->expansion);
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157 if (num1 != num2) {
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158 return false;
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159 }
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160
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161 for (i=0; i<num1; i++) {
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162 ei1 = expansionitemarray_get(&m1->expansion, i);
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163 ei2 = expansionitemarray_get(&m2->expansion, i);
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164 if (!expansionitem_eq(ei1, ei2)) {
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165 return false;
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166 }
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167 }
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168
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169 num1 = stringarray_num(&m1->params);
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170 num2 = stringarray_num(&m2->params);
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171 if (num1 != num2) {
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172 return false;
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173 }
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174
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175 for (i=0; i<num1; i++) {
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176 p1 = stringarray_get(&m1->params, i);
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177 p2 = stringarray_get(&m2->params, i);
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178 if (strcmp(p1, p2) != 0) {
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179 return false;
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180 }
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181 }
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182 return true;
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183 }
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184
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185 ////////////////////////////////////////////////////////////
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186 // macro table
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187
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188 /*
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189 * Unless I've screwed up, this is something called Fletcher's Checksum
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190 * that showed up in Dr. Dobbs in, according to my notes, May 1992. The
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191 * implementation is new.
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192 */
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193 static
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194 unsigned
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195 hashfunc(const char *s, size_t len)
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196 {
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197 uint16_t x1, x2, a;
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198 size_t i;
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199
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200 x1 = (uint16_t) (len >> 16);
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201 x2 = (uint16_t) (len);
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202 if (x1==0) {
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203 x1++;
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204 }
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205 if (x2==0) {
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206 x2++;
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207 }
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208
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209 for (i=0; i<len; i+=2) {
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210 if (i==len-1) {
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211 a = (unsigned char)s[i];
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212 /* don't run off the end of the array */
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213 }
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214 else {
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215 a = (unsigned char)s[i] +
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216 ((uint16_t)(unsigned char)s[i+1] << 8);
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217 }
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218 x1 += a;
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diff changeset
219 if (x1 < a) {
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220 x1++;
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221 }
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222 x2 += x1;
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223 if (x2 < x1) {
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224 x2++;
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225 }
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226 }
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227
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228 x1 ^= 0xffff;
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229 x2 ^= 0xffff;
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230 return ((uint32_t)x2)*65535U + x1;
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231 }
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232
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233 static
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234 void
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235 macrotable_init(void)
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236 {
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237 unsigned i;
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238
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239 macroarrayarray_init(&macros);
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240 macroarrayarray_setsize(&macros, 4);
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241 for (i=0; i<4; i++) {
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242 macroarrayarray_set(&macros, i, NULL);
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243 }
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244 total_macros = 0;
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245 hashmask = 0x3;
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246 }
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247
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248 DESTROYALL_ARRAY(macro, );
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249
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250 static
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251 void
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252 macrotable_cleanup(void)
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253 {
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254 struct macroarray *bucket;
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255 unsigned numbuckets, i;
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256
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257 numbuckets = macroarrayarray_num(&macros);
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258 for (i=0; i<numbuckets; i++) {
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259 bucket = macroarrayarray_get(&macros, i);
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260 macroarray_destroyall(bucket);
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261 macroarray_destroy(bucket);
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262 }
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263 macroarrayarray_setsize(&macros, 0);
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264 macroarrayarray_cleanup(&macros);
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265 }
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266
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267 static
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268 struct macro *
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269 macrotable_findlen(const char *name, size_t len, bool remove)
17
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270 {
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271 unsigned hash;
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272 struct macroarray *bucket;
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273 struct macro *m, *m2;
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274 unsigned i, num;
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275 size_t mlen;
17
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276
19
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277 hash = hashfunc(name, len);
17
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278 bucket = macroarrayarray_get(&macros, hash & hashmask);
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279 if (bucket == NULL) {
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280 return NULL;
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281 }
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282 num = macroarray_num(bucket);
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283 for (i=0; i<num; i++) {
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284 m = macroarray_get(bucket, i);
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285 if (hash != m->hash) {
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286 continue;
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287 }
19
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288 mlen = strlen(m->name);
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289 if (len == mlen && !memcmp(name, m->name, len)) {
17
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290 if (remove) {
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291 if (i < num-1) {
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292 m2 = macroarray_get(bucket, num-1);
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293 macroarray_set(bucket, i, m2);
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294 }
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295 macroarray_setsize(bucket, num-1);
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296 total_macros--;
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297 }
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298 return m;
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299 }
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300 }
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301 return NULL;
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302 }
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303
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304 static
19
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diff changeset
305 struct macro *
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diff changeset
306 macrotable_find(const char *name, bool remove)
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diff changeset
307 {
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diff changeset
308 return macrotable_findlen(name, strlen(name), remove);
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diff changeset
309 }
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310
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diff changeset
311 static
17
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312 void
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313 macrotable_rehash(void)
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314 {
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315 struct macroarray *newbucket, *oldbucket;
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316 struct macro *m;
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317 unsigned newmask, tossbit;
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318 unsigned numbuckets, i;
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319 unsigned oldnum, j, k;
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320
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321 numbuckets = macroarrayarray_num(&macros);
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322 macroarrayarray_setsize(&macros, numbuckets*2);
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323
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diff changeset
324 assert(hashmask == numbuckets - 1);
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325 newmask = (hashmask << 1) | 1U;
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326 tossbit = newmask && ~hashmask;
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327 hashmask = newmask;
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diff changeset
328
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diff changeset
329 for (i=0; i<numbuckets; i++) {
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diff changeset
330 newbucket = NULL;
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diff changeset
331 oldbucket = macroarrayarray_get(&macros, i);
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diff changeset
332 oldnum = macroarray_num(oldbucket);
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parents:
diff changeset
333 for (j=0; j<oldnum; j++) {
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parents:
diff changeset
334 m = macroarray_get(oldbucket, j);
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parents:
diff changeset
335 if (m->hash & tossbit) {
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parents:
diff changeset
336 if (newbucket == NULL) {
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parents:
diff changeset
337 newbucket = macroarray_create();
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diff changeset
338 }
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diff changeset
339 macroarray_set(oldbucket, j, NULL);
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diff changeset
340 macroarray_add(newbucket, m, NULL);
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parents:
diff changeset
341 }
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parents:
diff changeset
342 }
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parents:
diff changeset
343 for (j=k=0; j<oldnum; j++) {
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parents:
diff changeset
344 m = macroarray_get(oldbucket, j);
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parents:
diff changeset
345 if (m != NULL && k < j) {
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parents:
diff changeset
346 macroarray_set(oldbucket, k++, m);
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parents:
diff changeset
347 }
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diff changeset
348 }
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diff changeset
349 macroarray_setsize(oldbucket, k);
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parents:
diff changeset
350 macroarrayarray_set(&macros, numbuckets + i, newbucket);
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parents:
diff changeset
351 }
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parents:
diff changeset
352 }
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parents:
diff changeset
353
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diff changeset
354 static
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diff changeset
355 void
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parents:
diff changeset
356 macrotable_add(struct macro *m)
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parents:
diff changeset
357 {
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parents:
diff changeset
358 unsigned hash;
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parents:
diff changeset
359 struct macroarray *bucket;
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parents:
diff changeset
360 unsigned numbuckets;
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parents:
diff changeset
361
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parents:
diff changeset
362 numbuckets = macroarrayarray_num(&macros);
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parents:
diff changeset
363 if (total_macros > 0 && total_macros / numbuckets > 9) {
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parents:
diff changeset
364 macrotable_rehash();
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parents:
diff changeset
365 }
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parents:
diff changeset
366
19
f9792a9ec704 macro expansion.
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parents: 18
diff changeset
367 hash = hashfunc(m->name, strlen(m->name));
17
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parents:
diff changeset
368 bucket = macroarrayarray_get(&macros, hash & hashmask);
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parents:
diff changeset
369 if (bucket == NULL) {
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parents:
diff changeset
370 bucket = macroarray_create();
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parents:
diff changeset
371 macroarrayarray_set(&macros, hash & hashmask, bucket);
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parents:
diff changeset
372 }
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parents:
diff changeset
373 macroarray_add(bucket, m, NULL);
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parents:
diff changeset
374 total_macros++;
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parents:
diff changeset
375 }
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parents:
diff changeset
376
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parents:
diff changeset
377 ////////////////////////////////////////////////////////////
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parents:
diff changeset
378 // external macro definition interface
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parents:
diff changeset
379
18
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diff changeset
380 static
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diff changeset
381 struct macro *
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parents: 17
diff changeset
382 macro_define_common_start(struct place *p1, const char *macro,
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
383 struct place *p2)
17
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parents:
diff changeset
384 {
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parents:
diff changeset
385 struct macro *m;
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
386 unsigned hash;
17
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parents:
diff changeset
387
18
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parents: 17
diff changeset
388 if (!is_identifier(macro)) {
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parents: 17
diff changeset
389 complain(p1, "Invalid macro name %s", macro);
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parents: 17
diff changeset
390 complain_fail();
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parents: 17
diff changeset
391 }
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parents: 17
diff changeset
392
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
393 hash = hashfunc(macro, strlen(macro));
f9792a9ec704 macro expansion.
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parents: 18
diff changeset
394 m = macro_create(p1, macro, hash, p2);
18
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parents: 17
diff changeset
395 return m;
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parents: 17
diff changeset
396 }
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parents: 17
diff changeset
397
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parents: 17
diff changeset
398 static
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parents: 17
diff changeset
399 void
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parents: 17
diff changeset
400 macro_define_common_end(struct macro *m)
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parents: 17
diff changeset
401 {
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parents: 17
diff changeset
402 struct macro *oldm;
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David A. Holland
parents: 17
diff changeset
403 bool ok;
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parents: 17
diff changeset
404
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parents: 17
diff changeset
405 oldm = macrotable_find(m->name, false);
c08a947d8f30 deal with macro parameters
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parents: 17
diff changeset
406 if (oldm != NULL) {
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
407 ok = macro_eq(m, oldm);
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
408 if (ok) {
c08a947d8f30 deal with macro parameters
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parents: 17
diff changeset
409 complain(&m->defplace,
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
410 "Warning: redefinition of %s", m->name);
17
76da41da923f added macro table
David A. Holland
parents:
diff changeset
411 if (mode.werror) {
76da41da923f added macro table
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parents:
diff changeset
412 complain_fail();
76da41da923f added macro table
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parents:
diff changeset
413 }
18
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
414 } else {
c08a947d8f30 deal with macro parameters
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parents: 17
diff changeset
415 complain(&m->defplace,
c08a947d8f30 deal with macro parameters
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parents: 17
diff changeset
416 "Redefinition of %s is not identical",
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
417 m->name);
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
418 complain_fail();
17
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parents:
diff changeset
419 }
18
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
420 complain(&oldm->defplace, "Previous definition was here");
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parents: 17
diff changeset
421 macro_destroy(m);
17
76da41da923f added macro table
David A. Holland
parents:
diff changeset
422 return;
76da41da923f added macro table
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parents:
diff changeset
423 }
18
c08a947d8f30 deal with macro parameters
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parents: 17
diff changeset
424 macrotable_add(m);
c08a947d8f30 deal with macro parameters
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parents: 17
diff changeset
425 }
17
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parents:
diff changeset
426
18
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
427 static
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
428 void
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parents: 17
diff changeset
429 macro_parse_parameters(struct macro *m, struct place *p, const char *params)
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
430 {
c08a947d8f30 deal with macro parameters
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parents: 17
diff changeset
431 size_t len;
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parents: 17
diff changeset
432 const char *s;
c08a947d8f30 deal with macro parameters
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parents: 17
diff changeset
433 char *param;
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
434
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
435 while (params != NULL) {
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
436 len = strspn(params, ws);
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
437 params += len;
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
438 p->column += len;
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
439 s = strchr(params, ',');
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
440 if (s) {
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
441 len = s-params;
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
442 param = dostrndup(params, len);
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
443 s++;
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
444 } else {
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
445 len = strlen(params);
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
446 param = dostrndup(params, len);
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
447 }
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
448 notrailingws(param, strlen(param));
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
449 if (!is_identifier(param)) {
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
450 complain(p, "Invalid macro parameter name %s", param);
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
451 complain_fail();
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
452 } else {
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
453 stringarray_add(&m->params, param, NULL);
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
454 }
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
455 params = s;
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
456 p->column += len;
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
457 }
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
458 }
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
459
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
460 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
461 bool
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
462 isparam(struct macro *m, const char *name, size_t len, unsigned *num_ret)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
463 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
464 unsigned num, i;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
465 const char *param;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
466
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
467 num = stringarray_num(&m->params);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
468 for (i=0; i<num; i++) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
469 param = stringarray_get(&m->params, i);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
470 if (strlen(param) == len && !strcmp(name, param)) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
471 *num_ret = i;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
472 return true;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
473 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
474 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
475 return false;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
476 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
477
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
478 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
479 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
480 macro_parse_expansion(struct macro *m, const char *buf)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
481 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
482 size_t blockstart, wordstart, pos;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
483 struct expansionitem *ei;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
484 unsigned param;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
485
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
486 pos = blockstart = 0;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
487 while (buf[pos] != '\0') {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
488 pos += strspn(buf+pos, ws);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
489 if (strchr(alnum, buf[pos])) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
490 wordstart = pos;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
491 pos += strspn(buf+pos, alnum);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
492 if (isparam(m, buf+wordstart, pos-wordstart, &param)) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
493 if (pos > blockstart) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
494 ei = expansionitem_create_stringlen(
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
495 buf + blockstart,
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
496 blockstart - pos);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
497 expansionitemarray_add(&m->expansion,
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
498 ei, NULL);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
499 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
500 ei = expansionitem_create_param(param);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
501 expansionitemarray_add(&m->expansion, ei,NULL);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
502 blockstart = pos;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
503 continue;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
504 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
505 continue;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
506 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
507 pos++;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
508 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
509 if (pos > blockstart) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
510 ei = expansionitem_create_stringlen(buf + blockstart,
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
511 blockstart - pos);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
512 expansionitemarray_add(&m->expansion, ei, NULL);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
513 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
514 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
515
18
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
516 void
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
517 macro_define_plain(struct place *p1, const char *macro,
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
518 struct place *p2, const char *expansion)
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
519 {
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
520 struct macro *m;
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
521 struct expansionitem *ei;
18
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
522
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
523 m = macro_define_common_start(p1, macro, p2);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
524 ei = expansionitem_create_string(expansion);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
525 expansionitemarray_add(&m->expansion, ei, NULL);
18
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
526 macro_define_common_end(m);
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
527 }
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
528
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
529 void
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
530 macro_define_params(struct place *p1, const char *macro,
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
531 struct place *p2, const char *params,
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
532 struct place *p3, const char *expansion)
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
533 {
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
534 struct macro *m;
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
535
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
536 m = macro_define_common_start(p1, macro, p3);
18
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
537 macro_parse_parameters(m, p2, params);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
538 macro_parse_expansion(m, expansion);
18
c08a947d8f30 deal with macro parameters
David A. Holland
parents: 17
diff changeset
539 macro_define_common_end(m);
17
76da41da923f added macro table
David A. Holland
parents:
diff changeset
540 }
76da41da923f added macro table
David A. Holland
parents:
diff changeset
541
76da41da923f added macro table
David A. Holland
parents:
diff changeset
542 void
76da41da923f added macro table
David A. Holland
parents:
diff changeset
543 macro_undef(const char *macro)
76da41da923f added macro table
David A. Holland
parents:
diff changeset
544 {
76da41da923f added macro table
David A. Holland
parents:
diff changeset
545 struct macro *m;
76da41da923f added macro table
David A. Holland
parents:
diff changeset
546
76da41da923f added macro table
David A. Holland
parents:
diff changeset
547 m = macrotable_find(macro, true);
76da41da923f added macro table
David A. Holland
parents:
diff changeset
548 if (m) {
76da41da923f added macro table
David A. Holland
parents:
diff changeset
549 macro_destroy(m);
76da41da923f added macro table
David A. Holland
parents:
diff changeset
550 }
76da41da923f added macro table
David A. Holland
parents:
diff changeset
551 }
76da41da923f added macro table
David A. Holland
parents:
diff changeset
552
76da41da923f added macro table
David A. Holland
parents:
diff changeset
553 bool
76da41da923f added macro table
David A. Holland
parents:
diff changeset
554 macro_isdefined(const char *macro)
76da41da923f added macro table
David A. Holland
parents:
diff changeset
555 {
76da41da923f added macro table
David A. Holland
parents:
diff changeset
556 struct macro *m;
76da41da923f added macro table
David A. Holland
parents:
diff changeset
557
76da41da923f added macro table
David A. Holland
parents:
diff changeset
558 m = macrotable_find(macro, false);
76da41da923f added macro table
David A. Holland
parents:
diff changeset
559 return m != NULL;
76da41da923f added macro table
David A. Holland
parents:
diff changeset
560 }
76da41da923f added macro table
David A. Holland
parents:
diff changeset
561
76da41da923f added macro table
David A. Holland
parents:
diff changeset
562 ////////////////////////////////////////////////////////////
76da41da923f added macro table
David A. Holland
parents:
diff changeset
563 // macro expansion
76da41da923f added macro table
David A. Holland
parents:
diff changeset
564
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
565 struct expstate {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
566 bool honordefined;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
567 enum { ES_NORMAL, ES_WANTLPAREN, ES_NOARG, ES_HAVEARG } state;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
568 struct macro *curmacro;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
569 struct stringarray args;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
570 unsigned argparens;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
571
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
572 bool tobuf;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
573 char *buf;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
574 size_t bufpos, bufmax;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
575 };
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
576
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
577 static struct expstate mainstate;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
578
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
579 static void doexpand(struct expstate *es, struct place *p,
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
580 char *buf, size_t len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
581
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
582 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
583 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
584 expstate_init(struct expstate *es, bool tobuf, bool honordefined)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
585 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
586 es->honordefined = honordefined;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
587 es->state = ES_NORMAL;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
588 es->curmacro = NULL;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
589 stringarray_init(&es->args);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
590 es->argparens = 0;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
591 es->tobuf = tobuf;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
592 es->buf = NULL;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
593 es->bufpos = 0;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
594 es->bufmax = 0;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
595 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
596
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
597 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
598 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
599 expstate_cleanup(struct expstate *es)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
600 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
601 assert(es->state == ES_NORMAL);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
602 stringarray_cleanup(&es->args);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
603 if (es->buf) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
604 free(es->buf);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
605 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
606 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
607
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
608 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
609 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
610 expstate_destroyargs(struct expstate *es)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
611 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
612 unsigned i, num;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
613
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
614 num = stringarray_num(&es->args);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
615 for (i=0; i<num; i++) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
616 free(stringarray_get(&es->args, i));
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
617 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
618 stringarray_setsize(&es->args, 0);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
619 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
620
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
621 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
622 void
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
623 expand_send(struct expstate *es, struct place *p, const char *buf, size_t len)
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
624 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
625 if (es->tobuf) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
626 if (es->bufpos + len > es->bufmax) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
627 if (es->bufmax == 0) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
628 es->bufmax = 64;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
629 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
630 while (es->bufpos + len > es->bufmax) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
631 es->bufmax *= 2;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
632 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
633 es->buf = dorealloc(es->buf, es->bufmax);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
634 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
635 memcpy(es->buf + es->bufpos, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
636 es->bufpos += len;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
637 } else {
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
638 output(p, buf, len);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
639 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
640 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
641
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
642 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
643 void
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
644 expand_send_eof(struct expstate *es, struct place *p)
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
645 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
646 if (es->tobuf) {
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
647 expand_send(es, p, "", 1);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
648 es->bufpos--;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
649 } else {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
650 output_eof();
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
651 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
652 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
653
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
654 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
655 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
656 expand_newarg(struct expstate *es, char *buf, size_t len)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
657 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
658 char *text;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
659
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
660 text = dostrndup(buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
661 stringarray_add(&es->args, text, NULL);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
662 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
663
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
664 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
665 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
666 expand_appendarg(struct expstate *es, char *buf, size_t len)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
667 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
668 unsigned num;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
669 char *text;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
670 size_t oldlen;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
671
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
672 num = stringarray_num(&es->args);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
673 assert(num > 0);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
674
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
675 text = stringarray_get(&es->args, num - 1);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
676 oldlen = strlen(text);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
677 text = dorealloc(text, oldlen + len + 1);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
678 memcpy(text + oldlen, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
679 text[oldlen+len] = '\0';
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
680 stringarray_set(&es->args, num - 1, text);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
681 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
682
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
683 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
684 char *
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
685 expand_substitute(struct expstate *es)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
686 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
687 struct expansionitem *ei;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
688 unsigned i, num;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
689 size_t len;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
690 char *arg;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
691 char *ret;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
692
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
693 len = 0;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
694 num = expansionitemarray_num(&es->curmacro->expansion);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
695 for (i=0; i<num; i++) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
696 ei = expansionitemarray_get(&es->curmacro->expansion, i);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
697 if (ei->isstring) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
698 len += strlen(ei->string);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
699 } else {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
700 arg = stringarray_get(&es->args, ei->param);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
701 len += strlen(arg);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
702 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
703 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
704
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
705 ret = domalloc(len+1);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
706 *ret = '\0';
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
707 for (i=0; i<num; i++) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
708 ei = expansionitemarray_get(&es->curmacro->expansion, i);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
709 if (ei->isstring) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
710 strcat(ret, ei->string);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
711 } else {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
712 arg = stringarray_get(&es->args, ei->param);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
713 strcat(ret, arg);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
714 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
715 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
716
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
717 return ret;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
718 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
719
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
720 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
721 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
722 expand_domacro(struct expstate *es, struct place *p)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
723 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
724 struct macro *m;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
725 char *newbuf, *newbuf2;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
726
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
727 if (es->curmacro == NULL) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
728 /* defined() */
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
729 if (stringarray_num(&es->args) != 1) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
730 complain(p, "Too many arguments for defined()");
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
731 complain_fail();
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
732 expand_send(es, p, "0", 1);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
733 return;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
734 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
735 m = macrotable_find(stringarray_get(&es->args, 0), false);
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
736 expand_send(es, p, (m != NULL) ? "1" : "0", 1);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
737 return;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
738 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
739
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
740 assert(es->curmacro->inuse == false);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
741 es->curmacro->inuse = true;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
742
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
743 newbuf = expand_substitute(es);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
744 newbuf2 = macroexpand(p, newbuf, strlen(newbuf), false);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
745 free(newbuf);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
746 doexpand(es, p, newbuf2, strlen(newbuf2));
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
747 free(newbuf2);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
748
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
749 es->curmacro->inuse = false;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
750 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
751
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
752 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
753 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
754 expand_got_ws(struct expstate *es, struct place *p, char *buf, size_t len)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
755 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
756 switch (es->state) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
757 case ES_NORMAL:
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
758 expand_send(es, p, buf, len);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
759 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
760 case ES_WANTLPAREN:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
761 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
762 case ES_NOARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
763 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
764 case ES_HAVEARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
765 expand_appendarg(es, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
766 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
767 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
768 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
769
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
770 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
771 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
772 expand_got_word(struct expstate *es, struct place *p, char *buf, size_t len)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
773 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
774 struct macro *m;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
775 struct expansionitem *ei;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
776 char *newbuf;
17
76da41da923f added macro table
David A. Holland
parents:
diff changeset
777
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
778 switch (es->state) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
779 case ES_NORMAL:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
780 if (es->honordefined &&
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
781 len == 7 && !memcmp(buf, "defined", 7)) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
782 es->curmacro = NULL;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
783 es->state = ES_WANTLPAREN;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
784 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
785 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
786 m = macrotable_findlen(buf, len, false);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
787 if (m == NULL) {
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
788 expand_send(es, p, buf, len);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
789 } else if (!m->hasparams) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
790 m->inuse = true;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
791 assert(expansionitemarray_num(&m->expansion) == 1);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
792 ei = expansionitemarray_get(&m->expansion, 0);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
793 assert(ei->isstring);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
794 newbuf = macroexpand(p, ei->string,
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
795 strlen(ei->string), false);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
796 doexpand(es, p, newbuf, strlen(newbuf));
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
797 free(newbuf);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
798 m->inuse = false;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
799 } else {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
800 es->curmacro = m;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
801 es->state = ES_WANTLPAREN;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
802 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
803 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
804 case ES_WANTLPAREN:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
805 if (es->curmacro != NULL) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
806 complain(p, "Expected arguments for macro %s",
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
807 es->curmacro->name);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
808 complain_fail();
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
809 } else {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
810 /* "defined foo" means "defined(foo)" */
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
811 expand_newarg(es, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
812 es->state = ES_NORMAL;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
813 expand_domacro(es, p);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
814 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
815 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
816 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
817 case ES_NOARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
818 expand_newarg(es, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
819 es->state = ES_HAVEARG;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
820 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
821 case ES_HAVEARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
822 expand_appendarg(es, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
823 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
824 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
825 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
826
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
827 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
828 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
829 expand_got_lparen(struct expstate *es, struct place *p, char *buf, size_t len)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
830 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
831 switch (es->state) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
832 case ES_NORMAL:
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
833 expand_send(es, p, buf, len);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
834 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
835 case ES_WANTLPAREN:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
836 es->state = ES_NOARG;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
837 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
838 case ES_NOARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
839 expand_newarg(es, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
840 es->state = ES_HAVEARG;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
841 es->argparens++;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
842 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
843 case ES_HAVEARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
844 expand_appendarg(es, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
845 es->argparens++;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
846 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
847 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
848 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
849
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
850 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
851 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
852 expand_got_rparen(struct expstate *es, struct place *p, char *buf, size_t len)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
853 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
854 switch (es->state) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
855 case ES_NORMAL:
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
856 expand_send(es, p, buf, len);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
857 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
858 case ES_WANTLPAREN:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
859 if (es->curmacro) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
860 complain(p, "Expected arguments for macro %s",
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
861 es->curmacro->name);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
862 } else {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
863 complain(p, "Expected arguments for defined()");
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
864 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
865 complain_fail();
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
866 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
867 case ES_NOARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
868 assert(es->argparens == 0);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
869 es->state = ES_NORMAL;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
870 expand_domacro(es, p);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
871 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
872 case ES_HAVEARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
873 if (es->argparens > 0) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
874 es->argparens--;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
875 expand_appendarg(es, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
876 } else {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
877 es->state = ES_NORMAL;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
878 expand_domacro(es, p);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
879 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
880 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
881 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
882 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
883
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
884 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
885 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
886 expand_got_comma(struct expstate *es, struct place *p, char *buf, size_t len)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
887 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
888 switch (es->state) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
889 case ES_NORMAL:
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
890 expand_send(es, p, buf, len);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
891 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
892 case ES_WANTLPAREN:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
893 if (es->curmacro) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
894 complain(p, "Expected arguments for macro %s",
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
895 es->curmacro->name);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
896 } else {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
897 complain(p, "Expected arguments for defined()");
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
898 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
899 complain_fail();
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
900 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
901 case ES_NOARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
902 assert(es->argparens == 0);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
903 expand_newarg(es, buf, 0);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
904 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
905 case ES_HAVEARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
906 if (es->argparens > 0) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
907 expand_appendarg(es, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
908 } else {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
909 es->state = ES_NOARG;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
910 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
911 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
912 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
913 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
914
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
915 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
916 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
917 expand_got_other(struct expstate *es, struct place *p, char *buf, size_t len)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
918 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
919 switch (es->state) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
920 case ES_NORMAL:
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
921 expand_send(es, p, buf, len);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
922 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
923 case ES_WANTLPAREN:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
924 if (es->curmacro) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
925 complain(p, "Expected arguments for macro %s",
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
926 es->curmacro->name);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
927 } else {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
928 complain(p, "Expected arguments for defined()");
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
929 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
930 complain_fail();
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
931 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
932 case ES_NOARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
933 expand_newarg(es, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
934 es->state = ES_HAVEARG;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
935 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
936 case ES_HAVEARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
937 expand_appendarg(es, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
938 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
939 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
940 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
941
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
942 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
943 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
944 expand_got_eof(struct expstate *es, struct place *p)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
945 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
946 switch (es->state) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
947 case ES_NORMAL:
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
948 expand_send_eof(es, p);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
949 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
950 case ES_WANTLPAREN:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
951 if (es->curmacro) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
952 complain(p, "Expected arguments for macro %s",
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
953 es->curmacro->name);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
954 } else {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
955 complain(p, "Expected arguments for defined()");
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
956 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
957 complain_fail();
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
958 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
959 case ES_NOARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
960 case ES_HAVEARG:
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
961 if (es->curmacro) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
962 complain(p, "Unclosed argument list for macro %s",
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
963 es->curmacro->name);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
964 } else {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
965 complain(p, "Unclosed argument list for defined()");
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
966 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
967 complain_fail();
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
968 expstate_destroyargs(es);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
969 break;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
970 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
971 es->state = ES_NORMAL;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
972 es->curmacro = NULL;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
973 es->argparens = 0;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
974 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
975
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
976 static
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
977 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
978 doexpand(struct expstate *es, struct place *p, char *buf, size_t len)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
979 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
980 size_t x;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
981
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
982 while (len > 0) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
983 x = strspn(buf, ws);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
984 if (x > 0) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
985 expand_got_ws(es, p, buf, x);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
986 buf += x;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
987 len -= x;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
988 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
989
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
990 x = strspn(buf, alnum);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
991 if (x > 0) {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
992 expand_got_word(es, p, buf, x);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
993 buf += x;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
994 len -= x;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
995 continue;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
996 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
997
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
998 if (buf[0] == '(') {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
999 expand_got_lparen(es, p, buf, 1);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1000 buf++;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1001 len--;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1002 continue;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1003 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1004
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1005 if (buf[0] == ')') {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1006 expand_got_rparen(es, p, buf, 1);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1007 buf++;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1008 len--;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1009 continue;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1010 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1011
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1012 if (buf[0] == ',') {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1013 expand_got_comma(es, p, buf, 1);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1014 buf++;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1015 len--;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1016 continue;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1017 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1018
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1019 expand_got_other(es, p, buf, 1);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1020 buf++;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1021 len--;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1022 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1023 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1024
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1025 char *
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1026 macroexpand(struct place *p, char *buf, size_t len, bool honordefined)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1027 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1028 struct expstate es;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1029 char *ret;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1030
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1031 expstate_init(&es, true, honordefined);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1032 doexpand(&es, p, buf, len);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1033 expand_got_eof(&es, p);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1034 ret = es.buf;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1035 es.buf = NULL;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1036 expstate_cleanup(&es);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1037
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1038 return ret;
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1039 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1040
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1041 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1042 macro_sendline(struct place *p, char *buf, size_t len)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1043 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1044 doexpand(&mainstate, p, buf, len);
21
e3fab8f1b52c strip comments.
David A. Holland
parents: 19
diff changeset
1045 output(p, "\n", 1);
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1046 }
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1047
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1048 void
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1049 macro_sendeof(struct place *p)
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1050 {
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1051 expand_got_eof(&mainstate, p);
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1052 }
17
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1053
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1054 ////////////////////////////////////////////////////////////
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1055 // module initialization
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1056
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1057 void
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1058 macros_init(void)
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1059 {
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1060 macrotable_init();
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1061 expstate_init(&mainstate, false, false);
17
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1062 }
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1063
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1064 void
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1065 macros_cleanup(void)
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1066 {
19
f9792a9ec704 macro expansion.
David A. Holland
parents: 18
diff changeset
1067 expstate_cleanup(&mainstate);
17
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1068 macrotable_cleanup();
76da41da923f added macro table
David A. Holland
parents:
diff changeset
1069 }