annotate tests/agcl/oldagsrc/pgg24.syn @ 11:3aa0f5a02342

Remove unused variable; fix what it was supposed to be doing. (and document it a bit for the next time through here)
author David A. Holland
date Tue, 31 May 2022 00:54:12 -0400
parents 13d2b8934445
children
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1 {/*
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2 AnaGram Syntax Analyzer.
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3 Copyright (c) Jerome T. Holland, 1989, 1990, 1991, 1992
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4 All Rights Reserved.
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5 */
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6
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7 //#define INCLUDE_LOGGING
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8
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9 #include "assert.h" //ASSERT
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10 #include "config.h"
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11 #include "csexp.h"
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12 #include "data.h" //DATA
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13 #include "error.h"
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14 #include "log.hpp"
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15 #include "myalloc.h"
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16 #include "rproc.h"
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17 #include "stk.h" //STK
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18 #include "symbol.h"
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19 #include "token.h"
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20 #include "tree.h"
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21 #include "tsd.h"
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22 #include "ut.h" //UT
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23 #include <ctype.h> //CTYPE
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24 #include <stdio.h> //STDIO
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25 #include <stdlib.h> //STDLIB
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26 #include <string.h> //STRING
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27
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28 #include "pgg24.h" //PGG
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29
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30 #undef MODULE
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31 #define MODULE 3
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32
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33 }
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34
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35 [
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36 auto resynch
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37 context type = cint
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38 default reductions
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39 ~declare pcb
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40 diagnose errors
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41 lines and columns
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42 error frame
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43 line numbers
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44 //~allow macros
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45 nest comments
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46 parser stack size = 128
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47 pointer input
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48 ~test range
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49 token names
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50 parser name = pgg
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51 test file mask = "*.syn"
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52
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53 distinguish keywords {'.'}
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54 parser file name = "#.cpp"
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55 ]
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56
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57 any digit = digit + hex letter
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58 anything = ~eof
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59 backslash = '\\'
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60 blank char = ' ' + tab
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61 c literal elem = ~(single quote + double quote + eol chars + backslash + eof)
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62 digit = '0-9'
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63 double quote = '"'
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64 eof = 0 + 26
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65 eol chars = carriage return + newline
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66 hex letter = 'a-f' + 'A-F'
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67 letter = 'a-z' + 'A-Z' + '_'
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68 newline = '\n'
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69 nonoctal digit = any digit - octal digit
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70 octal digit = '0-7'
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71 carriage return= '\r'
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72 simple c char = ~('{' + '}' + single quote + double quote + eof)
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73 simple string char = ~eof - (any digit + double quote + backslash + eol chars)
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74 single quote = '\''
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75 tab = '\t'
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76 vertical space = '\f' + '\v'
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77
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78 arrow
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79 -> "->", blank?...
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80
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81 comma
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82 -> ',', space?
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83
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84 ellipsis
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85 -> "...", blank?...
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86
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87 equals
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88 -> '=', space?
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89
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90 bang
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91 -> '!', space?
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92
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93 left brace
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94 -> '{', space?
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95
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96 left bracket
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97 -> '[', space?
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98
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99 left parenthesis
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100 -> '(', space?
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101
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102 minus
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103 -> '-', space?
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104
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105 plus
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106 -> '+', space?
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107
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108 right bracket
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109 -> ']', blank?...
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110
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111 right brace
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112 -> '}', blank?...
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113
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114 right parenthesis
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115 -> ')', blank?...
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116
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117 right quote
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118 -> single quote, blank?...
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119
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120 tilde
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121 -> '~', space?
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122
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123 vertical bar
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124 -> '|', space?
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125
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126 (void) syntax definition $
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127 -> blank?..., end of line?, complete statements, statement?, eof
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128
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129 complete statements
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130 -> production:t, end of line =production(t);
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131 -> definition, end of line
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132 -> embedded c, end of line =nPrologueSegments = 1;
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133 -> configuration section, end of line
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134 -> complete statements, complete statement
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135
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136 (void) complete statement
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137 -> production:t, end of line =production(t);
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138 -> simple statement, end of line
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139
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140 (void) statement
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141 -> production:t =production(t);
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142 -> simple statement
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143
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144 (int) production
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145 -> left hand side:type =iws(),type;
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146 -> left hand side, right hand side
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147 -> production:type, end of line, right hand side =concat_list(),type;
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148 -> production, end of line, additional rule spec...
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149
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150 (void) right hand side
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151 -> arrow, rule specs
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152
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153 (void) simple statement
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154 -> definition
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155 -> embedded c
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156 -> configuration section
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157
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158 (int) left hand side
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159 -> token name list =0;
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160 -> type definition:d, token name list =head_list_3(d);
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161
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162 (void) token name list //left hand side of productions
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163 -> token name:x =sws(head_list_2(x));
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164 -> token name list, comma, token name:x =aws(head_list_2(x));
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165
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166 (int) token name
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167 -> name =0;
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168 -> name, '$', blank?... =1;
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169
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170 (int) type definition
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171 -> left parenthesis, data type, ')', space? =Cast::create();
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172
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173 (void) wrapper type
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174 -> data type =Cast::create().requireWrapper();
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175
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176 (void) wrapper list
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177 -> wrapper type
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178 -> wrapper list, comma, wrapper type
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179
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180 (void) proper vp rule specs
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181 -> vp rule spec:n =sws(n);
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182 -> proper vp rule specs, additional vp rule spec
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183
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184 (void) additional vp rule spec
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185 -> vertical bar, vp rule spec:n =aws(n);
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186
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187 (void) vp rule specs
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188 -> reduction procedure:pn =sws((iws(),vp_form3(pn)));
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189 -> vp rule specs, additional vp rule spec
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190
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191 (void) vp rules
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192 -> vp rule specs | proper vp rule specs
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193
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194 (int) vp rule spec
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195 -> grammar rule, reduction procedure:s =vp_form3(s);
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196
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197 (void) rule specs
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198 -> reduction procedure:n =sws(form_spec_2(form1(),n));
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199 -> rule spec:n =sws(n);
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200 -> rule specs, additional rule spec
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201
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202 (void) additional rule spec
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203 -> vertical bar, rule spec:n =aws(n);
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204
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205 (int) rule spec
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206 -> grammar rule, reduction procedure:s =form_spec_2(makeRule(ruleElementStack.pop()),s);
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207
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208 (void) grammar rule
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209 -> init grammar rule, rule element:e, parameter name:p =ruleElementStack.top().push(RuleElement(e,p));
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210 -> grammar rule, comma,
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211 rule element:e, parameter name:p =ruleElementStack.top().push(RuleElement(e,p));
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212
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213 init grammar rule
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214 -> =ruleElementStack.push(AgStack<RuleElement>());
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215
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216 (int) reduction procedure
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217 -> =0;
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218 -> equals, embedded c =proc_spec_4(0);
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219 -> equals, c expression, ';', blank?... =proc_spec_4(1);
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220
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221 (void) data type
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222 -> type name
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223 -> type name, template field
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224 -> type name, template field?, abstract declarator =concat_string();
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225
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226 (void) type name
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227 -> name
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228 -> "::", !sss("::");, blank?..., name =concat_string();
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229 -> type name, "::", !ass("::");, blank?..., name =concat_string();
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230
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231 (void) abstract declarator
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232 -> indirect data type
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233 -> direct abstract declarator
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234 -> indirect data type, direct abstract declarator =concat_string();
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235
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236 (void) template field
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237 -> template field head, data type, '>', blank?... =acs('>'), concat_string();
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238
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239 template field head
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240 -> '<', blank?... = acs('<');
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241 -> template field head, data type, ',', blank?... =acs(','), concat_string();
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242
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243 (void) direct abstract declarator
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244 -> {left parenthesis =scs('(');}, abstract declarator,
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245 right parenthesis =concat_string(), acs(')');
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246
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247 (void) star
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248 -> '*', blank?... =sss(" *");
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249
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250 (void) pointer
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251 -> star
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252 -> star, name =concat_string();
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253
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254 (void) indirect data type
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255 -> pointer
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256 -> indirect data type, pointer =concat_string();
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257
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258 (void) name string
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259 -> letter:c =scs(c);
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260 -> name string, letter + digit :c =acs(c);
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261 -> name string, blank..., letter + digit :c =acs(' '), acs(c);
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262
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263 (void) enum fix
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264 -> "enum", blank..., letter + digit : c =sss("enum "), acs(c);
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265 -> enum fix, letter + digit:c =acs(c);
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266 -> enum fix, blank..., letter + digit:c =acs(' '), acs(c);
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267
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268 (void) name
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269 -> name string, blank?...
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270
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271 (void) blank
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272 -> blank char
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273 -> c comment
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274
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275 (void) space
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276 -> blank...
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277 -> blank..., continuation
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278 -> continuation
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279
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280 (void) continuation
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281 -> comment, next line
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282 -> next line
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283
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284 (void) next line
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285 -> carriage return?, newline
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286 -> carriage return?, newline, blank...
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287
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288 (void) white
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289 -> blank
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290 -> carriage return?, newline
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291 -> comment, carriage return?, newline
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292
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293 (void) end of line
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294 -> comment, carriage return?, newline
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295 -> carriage return?, newline
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296 -> end of line, white
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297 -> end of line, vertical space //form feed
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298
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299 (void) comment
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300 -> "//", ~eol chars & ~eof?...
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301
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302 (int) character
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303 -> signed number
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304 -> '^', 33..126:x, blank?... =x & 0x1f;
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305
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306 (int) quoted character
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307 -> single quote, char const:c, right quote =(character_seen=1),c;
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308
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309 (int) signed number
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310 -> sign:s, simple number:n, blank?... =s*n;
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311
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312 (int) sign
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313 -> plus? =1;
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314 -> minus =-1;
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315
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316 (int) simple number
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317 -> decimal number
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318 -> '0', octal number:n =n;
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319 -> {"0x" | "0X"}, hex number:n =n;
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320
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321 (int) decimal number
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322 -> '1-9':d =d - '0';
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323 -> decimal number:n, '0-9':d =10*n + d - '0';
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324
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325 (int) octal number
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326 -> =0;
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327 -> octal number:n, '0-7':d =8*n + d - '0';
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328
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329 (int) hex number
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330 -> hex digit:d =d;
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331 -> hex number:n, hex digit:d =16*n + d;
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332
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333 (int) hex digit
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334 -> '0-9':d =d-'0';
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335 -> 'a-f' + 'A-F':d =(d&7)+9;
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336
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337 (int) rule element
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338 -> token
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339 -> mid rule action:p =vp_8a(p);
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340
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341 (int) token
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342 -> union:n =form_element_1(n);
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343 -> virtual production
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344
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345 (CharSetExpression *) union
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346 -> intersection
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347 -> union:u, plus, intersection:i =new CharSetUnion(u,i);
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348 -> union:u, minus, intersection:i =new CharSetDifference(u,i);
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349
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350 (CharSetExpression *) intersection
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351 -> negation
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352 -> intersection:i, '&', space?, negation:n =new CharSetIntersection(i,n);
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353
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354 (CharSetExpression *) negation
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355 -> simple set
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356 -> tilde, negation:n =new CharSetComplement(n);
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357
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358 (int) char const
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359 // -> anything -(single quote + backslash + eol chars):c =
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360 // case_sensitive ? (c) : agToUpper((char) c);
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361 -> anything -(single quote + backslash + eol chars)
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362 -> escape sequence
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363 -> octal escape
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364 -> three octal
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365 -> hex escape
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366
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367 (CharSetExpression *) simple set
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368 -> character range
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369 -> character:c =new IndividualCode(c);
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370 -> quoted character:c =new IndividualChar(c);
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371 -> name =ss2();
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372 -> left parenthesis, union:x,
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373 right parenthesis =x;
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374
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375 (CharSetExpression *) character range
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376 -> single quote, char const:l, '-',
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377 char const:r, right quote =(character_seen=1),new CharRange(l,r);
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378 -> character:l, "..", space?, character:r =new CodeRange(l,r);
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379
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380 (void) definition
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381 -> name, equals, union:n =definition_1(n);
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382 -> name, equals, virtual production:p =definition_2(p);
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383 -> name, equals, mid rule action:p =definition_2(vp_8a(p));
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384
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385 (void) enum definition
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386 -> name =definition_3(enum_base++);
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387 -> name, equals, character:n =definition_3(enum_base = n), enum_base++;
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388 -> name, equals, quoted character:n =definition_3(enum_base = n), enum_base++;
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389
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390 (void) enum statement
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391 -> "enum", space, left brace, enum definition
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392 -> enum statement, comma, enum definition
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393
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394 (void) keyword string
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395 -> keyword string head, string, double quote, blank?...
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396
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397 (void) string
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398 -> string A | string B | string C
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399
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400 (void) keyword string head
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401 -> double quote =ics();
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402
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403 (int) string char
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404 -> simple string char
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405 -> escape sequence
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406 -> three octal:n =null_warning(n);
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407
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408 (int) escape sequence
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409 -> "\\a" ='\a';
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410 -> "\\b" ='\b';
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411 -> "\\f" ='\f';
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412 -> "\\n" ='\n';
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413 -> "\\r" ='\r';
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414 -> "\\t" ='\t';
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415 -> "\\v" ='\v';
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416 -> "\\\\" ='\\';
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417 -> "\\?" = '\?';
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418 -> "\\'" ='\'';
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419 -> "\\\"" ='"';
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420
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421 {
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422 int null_warning(int n) {
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423 extern void warning_here(const char *,...);
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424 if (n == 0) log_error("Null character in keyword string");
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425 return n;
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426 }
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427 }
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428
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429 (int) one octal
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430 -> backslash, '0-7':n =n&7;
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431
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432 (int) two octal
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433 -> one octal:n, '0-7':d =n*8 + (d&7);
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434
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435 (int) three octal
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436 -> two octal:n, '0-7':d =n*8 + (d&7);
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437
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438 (int) octal escape
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439 -> one octal | two octal
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440
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441 (int) hex escape
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442 -> "\\x", hex number:x =x;
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443
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444 (void) string A
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445 -> string char:c =acs(c);
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446 -> any digit:c =acs(c);
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447 -> string, string char:c =acs(c);
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448 -> string A, any digit:c =acs(c);
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449 -> string B, nonoctal digit:c =acs(c);
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450
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451 (void) string B
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452 -> octal escape:c =acs(null_warning(c));
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453 -> string, octal escape:c =acs(null_warning(c));
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454
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455 (void) string C
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456 -> hex escape:c =acs(null_warning(c));
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457 -> string, hex escape:c =acs(null_warning(c));
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458
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459 (int) parameter name
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460 -> =0;
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461 -> ':', space?, c name =cVariableList << buildAgString();
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462
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463 (void) simple name
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464 -> letter:c =scs(c);
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465 -> simple name, letter + digit:c =acs(c);
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466
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467 (void) c name
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468 -> simple name, blank?...
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469
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470 (void) configuration section
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471 -> '[', configuration parameters, right bracket
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472
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473 (void) configuration parameters
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474 -> blank?..., end of line?, [configuration parameter list, end of line?]
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475
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476 (void) configuration parameter list
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477 -> configuration parameter
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478 -> configuration parameter list, end of line, configuration parameter
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479
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480
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481 (void) configuration parameter
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482 -> name =ConfigParam::set(1, pggErrorHandler); //gp4(1);
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483 -> tilde, name =ConfigParam::set(0, pggErrorHandler); //gp4(0);
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484 -> name, equals, data type =ConfigParam::set(pggErrorHandler); //gp2();
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485 -> name, equals, keyword string =ConfigParam::set(pggErrorHandler); //gp3();
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486 -> enum fix, blank?..., equals, keyword string =ConfigParam::set(pggErrorHandler); //gp3();
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487 -> name, equals, signed number:n =ConfigParam::set(n, pggErrorHandler); //gp5(n);
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488 -> attribute statement
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489 -> keyword kluge, name =concat_string(), ConfigParam::set(1, pggErrorHandler); //gp4(1);
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490
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491 keyword kluge
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492 -> "distinguish", blank... =sss("distinguish ");
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493
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494 (void) attribute statement
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495 -> "left", token list =set_prec(1,0);
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496 -> "right", token list =set_prec(0,1);
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497 -> "nonassoc", token list =set_prec(0,0);
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498 -> "sticky", token list =set_sticky();
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499 -> "subgrammar", token list =set_subgrammar();
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500 -> "hidden", token list =set_hidden();
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501 -> new reserve statement, list end //=new_reserve();
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502 -> enum statement, list end
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503 -> "disregard", blank..., token:t =disregard(t);
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504 -> "extend", blank..., "pcb", blank?..., embedded c =extensionStack.push(cSegmentStack.pop());
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505 -> "lexeme", token list =set_lexeme();
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506 -> "reserve", blank..., "keywords", token list =set_reserved_words();
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507 -> "rename", blank..., "macro", blank...,
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508 macro name:oldName, blank..., macro name:newName =at(rename_macro_list,oldName,newName);
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David A. Holland
parents:
diff changeset
509 -> "wrapper", blank?..., left brace, wrapper list, right brace
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
510
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
511 (int) macro name
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
512 -> letter =(PCB).pointer-input_base-1;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
513 -> macro name, letter + digit
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
514
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David A. Holland
parents:
diff changeset
515 list end
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
516 -> [comma | continuation], right brace
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
517
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
518 (void) new reserve statement
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
519 -> "distinguish", blank..., "keywords", blank..., left brace,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
520 union:n =distinguishSets.push(ParseTree(n));
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
521 -> new reserve statement, comma, union:n =distinguishSets.push(ParseTree(n));
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
522
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
523 (void) token list
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
524 -> blank..., left brace, tokens, list end
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
525
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
526 (void) tokens
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
527 -> token:t =sws(t);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
528 -> tokens, comma, token:t =aws(t);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
529
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
530 (int) virtual production
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
531 -> keyword string =vp_s();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
532 -> keyword string, '?', blank?... =vp_5(vp_s());
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
533 -> left brace, vp rules, right brace =vp_1();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
534 -> left brace, vp rules, "}...", blank?... =vp_2();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
535 -> left bracket, proper vp rule specs, right bracket =vp_3();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
536 -> left bracket, proper vp rule specs, "]...", blank?... =vp_4();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
537 -> union:n, '?', blank?... =vp_5(form_element_1(n));
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
538 -> union:n, "?...", blank?... =vp_6(form_element_1(n));
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
539 -> union:n, ellipsis =vp_7(form_element_1(n));
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
540 -> left brace, proper vp rule specs, "}/...", blank?... =vp_9();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
541 -> left bracket, proper vp rule specs, "]/...", blank?... =vp_10();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
542
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
543 (int) mid rule action
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
544 -> bang, embedded c =mid_line(proc_spec_4(0));
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
545 -> bang, c expression, ';', blank?... =mid_line(proc_spec_4(1));
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
546
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
547 (void) embedded c
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David A. Holland
parents:
diff changeset
548 -> embedded c head, c code:y, right brace =cSegmentStack.top().end = y;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
549
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
550 (void) embedded c head
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
551 -> '{', [carriage return?, newline]... =cSegmentStack.push(CSegment()); // =copyon();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
552
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
553 (unsigned char *) c code
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
554 -> =PCB.pointer;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
555 -> c code first, c text =PCB.pointer;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
556
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
557 (void) c code first
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
558 -> simple c char - eol chars
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
559 -> c comment
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
560 -> comment, carriage return?, newline
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
561 -> c character constant, single quote
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
562 -> c string constant, double quote
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
563
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
564 (void) c text
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
565 ->
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
566 -> c text, c char
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
567
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
568 (void) c char //c char represents the content of embedded c
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
569 -> simple c char
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
570 -> '{', c text, '}'
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
571 -> c comment
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
572 -> comment, carriage return?, newline
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
573 -> c character constant, single quote
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
574 -> c string constant, double quote
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
575
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
576 (void) c expression head
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
577 -> =cSegmentStack.push(CSegment());
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
578
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
579 (void) c expression
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
580 -> c expression head, c chars =cSegmentStack.top().end = PCB.pointer;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
581
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
582 (void) c chars
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
583 -> c expression char
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
584 -> c chars, c expression char
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
585 -> c chars, blank
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
586
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
587 (void) c expression char //c char represents the content of embedded C
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
588 -> simple c char - ';' - eol chars - blank char
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
589 -> "\\\n"
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
590 -> c character constant, single quote
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
591 -> c string constant, double quote
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
592
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
593 (void) c comment
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
594 -> c comment head, "*/"
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
595
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
596 (void) c comment head
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
597 -> "/*"
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
598 -> c comment head, ~eof
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
599
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
600 (void) c comment, c comment head
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
601 -> c comment head, c comment =
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
602 {if (nest_comments) PCB.reduction_token = pgg_c_comment_head_token;}
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
603
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
604 (void) c string constant
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
605 -> double quote, [c literal elem | single quote | backslash, anything]...
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
606
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
607 (void) c character constant
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
608 -> single quote, [c literal elem | double quote | backslash, anything]...
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
609
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
610 [
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
611 hidden {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
612 arrow, comma, ellipsis, equals, left brace,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
613 left bracket, left parenthesis, minus, plus, right bracket,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
614 list end,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
615 right brace, right parenthesis, right quote, star, tilde,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
616 vertical bar, simple statement, token name,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
617 rule spec, pointer, indirect data type, name string,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
618 blank, space, next line, white, end of line, sign, simple number,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
619 simple set, one octal, two octal, three octal,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
620 string A, string B, string C,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
621 simple name, c text, c char, c chars, c expression char,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
622 c expression head,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
623 c comment head,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
624 c code, c name,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
625 bang,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
626 complete statement,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
627 rule specs, vp rule specs, additional rule spec,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
628 data type, template field, abstract declarator,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
629 direct abstract declarator, pointer,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
630 name string, proper vp rule specs, additional vp rule spec,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
631 new reserve statement, anything, union, intersection, negation,
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
632 enum fix
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
633 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
634 ]
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
635
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
636 {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
637 pgg_pcb_type pgcb;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
638 #define PCB pgcb
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
639
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
640 #define PARSER_STACK_OVERFLOW parse_stack_overflow()
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
641 #define SYNTAX_ERROR log_syntax_error()
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
642 #define GET_CONTEXT CONTEXT.y = PCB.line, CONTEXT.x = PCB.column;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
643
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
644 #define REDUCTION_TOKEN_ERROR reduction_token_error()
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
645
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
646 extern AgStack< AgStack<RuleElement> > ruleElementStack;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
647
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
648 AgStack<CSegment> extensionStack;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
649 AgStack<CSegment> cSegmentStack;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
650 int nPrologueSegments;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
651
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
652 CSegment::CSegment()
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
653 : begin(PCB.pointer), end(PCB.pointer), line(PCB.line)
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
654 {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
655 LOGSECTION("CSegment::CSegment");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
656 // Nothing to do
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
657 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
658
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
659 class PggErrorHandler : public ConfigParam::ErrorHandler {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
660 void badParam(const char *s){log_error(s);}
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
661 } pggErrorHandler;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
662
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
663
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
664 void reduction_token_error(void) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
665 #ifdef INCLUDE_LOGGING
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David A. Holland
parents:
diff changeset
666 LOGSECTION("reduction_token_error");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
667 LOGV(PCB.sn) LCV(PCB.ssx) LCV(PCB.reduction_token);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
668 for (int i = 0; i < PCB.ssx; i++) LOGV(i) LCV(PCB.ss[i]);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
669 #endif
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David A. Holland
parents:
diff changeset
670 assert(0);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
671 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
672
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
673 extern AgString infile_name;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
674
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
675 Error::Error(AgString msg, int contextFlag)
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
676 : file(infile_name),
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
677 line(contextFlag? ERROR_CONTEXT.y : PCB.line),
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
678 column(contextFlag? ERROR_CONTEXT.x : PCB.column),
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
679 key(warn),
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
680 message(msg)
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
681 {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
682 LOGSECTION("Error::Error(AgString, int)");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
683 LOGV(PCB.line) LCV(PCB.column) LCV(contextFlag) LCV(msg.pointer());
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
684 LOGV(ERROR_CONTEXT.x) LCV(ERROR_CONTEXT.y);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
685 // Nothing here
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
686 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
687
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
688 Error::Error(int l, int c, AgString msg)
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
689 : file(infile_name),
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
690 line(l),
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
691 column(c),
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
692 key(warn),
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
693 message(msg)
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
694 {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
695 LOGSECTION("Error::Error(int, int, AgString)");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
696 // Nothing here
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
697 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
698
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
699 extern tsd *rename_macro_list;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
700 extern int parse_abort_flag;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
701
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
702 void parse_stack_overflow(void) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
703 reset_stk();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
704 log_error("Nesting too deep. Analysis aborted.");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
705 errorList.top().setFatal();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
706 parse_abort_flag = 1;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
707 PCB.exit_flag = AG_SEMANTIC_ERROR_CODE;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
708 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
709
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
710 extern int character_seen;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
711 extern int enum_base;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
712 extern unsigned char *input_base;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
713 extern int precedence_level;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
714 extern int syntax_error_flag;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
715
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
716 CharSetExpression *ss2(void);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
717
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
718 void acs(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
719 void aws(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
720 void atkn(Token);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
721 void definition_1(CharSetExpression *);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
722 void definition_2(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
723 void definition_3(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
724 int form_element_1(CharSetExpression *);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
725 int form_spec_2(int, int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
726 int form1(void);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
727 int form2(void);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
728 int head_list_1(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
729 int head_list_2(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
730 static int head_list_3(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
731 void ics(void);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
732 int identify_node(CharSetExpression *);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
733 void iws(void);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
734 int makeRule(const AgIndexedContainer<RuleElement> &);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
735 int mid_line(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
736 int null_warning(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
737 int proc_spec_4(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
738 void production(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
739 void range(int, int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
740 void scs(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
741 static void set_prec(int,int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
742 void sws(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
743 int vp_form3(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
744 int vp_s(void);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
745 int vp_1(void);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
746 int vp_2(void);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
747 int vp_3(void);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
748 int vp_4(void);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
749 int vp_5(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
750 int vp_6(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
751 int vp_7(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
752 int vp_8(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
753 int vp_8a(int);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
754 int vp_9(void);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
755 int vp_10(void);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
756
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
757 int *disregard_list = NULL;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
758 int n_disregard_list = 0;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
759 int nClassWrappers = 0;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
760
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
761 static void disregard(int tn) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
762 LOGSECTION("disregard");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
763 iws();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
764 if (n_disregard_list) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
765 int *p = disregard_list;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
766 while (n_disregard_list--) aws(*p++);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
767 DEALLOCATE(disregard_list);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
768 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
769 xws(tn);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
770 disregard_list = build_list();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
771 n_disregard_list = fis();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
772 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
773
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
774 static void log_syntax_error(void) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
775 LOGSECTION("log_syntax_error");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
776
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
777 #ifdef INCLUDE_LOGGING
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
778 {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
779 LOGV(PCB.sn) LCV(PCB.ssx) LCV(PCB.token_number);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
780 for (int i = 0; i < PCB.ssx; i++) LOGV(i) LCV(PCB.ss[i]);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
781 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
782 #endif
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
783 int flag = PCB.error_frame_token == pgg_c_comment_token ||
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
784 PCB.error_frame_token == pgg_embedded_c_token;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
785 LOGV(flag);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
786 reset_stk();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
787
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
788 #ifdef INCLUDE_LOGGING
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
789 {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
790 LOGV(PCB.sn) LCV(PCB.ssx) LCV(PCB.token_number);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
791 for (int i = 0; i < PCB.ssx; i++) LOGV(i) LCV(PCB.ss[i]);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
792 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
793 #endif
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
794 ssprintf("%s in %s", PCB.error_message, pgg_token_names[PCB.error_frame_token]);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
795 LOGS(string_base);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
796 errorList.push(Error(string_base, flag && PCB.token_number == pgg_eof_token));
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
797 rcs();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
798 #ifdef INCLUDE_LOGGING
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
799 {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
800 LOGV(PCB.sn) LCV(PCB.ssx) LCV(PCB.token_number);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
801 for (int i = 0; i < PCB.ssx; i++) LOGV(i) LCV(PCB.ss[i]);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
802 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
803 #endif
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
804 LOGS("error logged");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
805 errorList.top().setFatal();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
806 LOGS("fatal flag set");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
807 syntax_error_flag++;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
808 #ifdef INCLUDE_LOGGING
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
809 {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
810 LOGV(PCB.sn) LCV(PCB.ssx) LCV(PCB.token_number);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
811 for (int i = 0; i < PCB.ssx; i++) LOGV(i) LCV(PCB.ss[i]);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
812 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
813 #endif
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
814 if (errorList.size() < 50) return;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
815 log_error("Too many errors. Parse aborted.");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
816 errorList.top().setFatal();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
817 PCB.exit_flag = AG_SYNTAX_ERROR_CODE;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
818 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
819
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
820 static int head_list_3(int type) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
821 LOGSECTION("head_list_3");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
822 LOGV(type);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
823 int i, n = tis();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
824 for (i = 0; i < n; i ++) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
825 Token token(list_base[i]);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
826 int ptt = token->value_type;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
827 LOGV(ptt) LCV(type);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
828 if (ptt && ptt != type) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
829 ssprintf("Type Redefinition of T%03d: ", (int) token);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
830 atkn(token);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
831 log_error();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
832 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
833 token->value_type = type;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
834 /*
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
835 if (ptt == 0 && token->rp_arg && type == void_token_type) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
836 //ssprintf("Void token, %s, used as parameter", dict_str(tkn_dict,token->token_name));
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
837 ssprintf("Void token, %s, used as parameter", token->token_name->string.pointer());
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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838 log_error();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
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839 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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840 */
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841 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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842 return type;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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843 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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844
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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845 static void set_prec(int left, int right){
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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846 LOGSECTION("set_prec");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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847 int n = tis();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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848 precedence_level++;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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849 while (n--) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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850 Token token(list_base[n]);
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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851 token->left_associative = left;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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852 token->right_associative = right;
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853 token->precedence_level = precedence_level;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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854 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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855 rws();
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856 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
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857
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858 static void set_sticky(void){
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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859 LOGSECTION("set_sticky");
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860 int n = tis();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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861 while (n--) {
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862 Token token(list_base[n]);
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863 token->sticky = 1;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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864 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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865 rws();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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866 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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parents:
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867
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868 static void set_subgrammar(void){
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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869 LOGSECTION("set_subgrammar");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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870 int n = tis();
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871 while (n--) {
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872 Token token = list_base[n];
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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873 token->subgrammar = 1;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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874 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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875 rws();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
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876 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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diff changeset
877
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878 void set_hidden(void) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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879 LOGSECTION("set_hidden");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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880 int *lb = list_base;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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881 int n = tis();
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882 //while (n--) map_token_number[*lb++].fine_structure = 1;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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883 while (n--) Token(*lb++)->fine_structure = 1;
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884 rws();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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885 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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886
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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887 void set_lexeme(void) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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888 LOGSECTION("set_lexeme");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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889 int n = tis();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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diff changeset
890 while (n--) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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891 Token token = list_base[n];
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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892 token->lexeme = 1;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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893 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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894 rws();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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diff changeset
895 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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896
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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diff changeset
897 void set_reserved_words(void) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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898 LOGSECTION("set_reserved_words");
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
899 int n = tis();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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diff changeset
900 while (n--) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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901 Token(list_base[n])->reserved_word = 1;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
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diff changeset
902 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
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diff changeset
903 rws();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
904 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
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905
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff changeset
906 void parse(void) {
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
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diff changeset
907 pgcb.pointer = input_base;
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
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908 pgg();
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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diff changeset
909 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
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diff changeset
910 }
13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
David A. Holland
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diff changeset
911