annotate anagram/guisupport/conflicttrc.cpp @ 24:a4899cdfc2d6 default tip

Obfuscate the regexps to strip off the IBM compiler's copyright banners. I don't want bots scanning github to think they're real copyright notices because that could cause real problems.
author David A. Holland
date Mon, 13 Jun 2022 00:40:23 -0400
parents 13d2b8934445
children
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1 /*
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2 * AnaGram, A System for Syntax Directed Programming
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3 * Copyright 1993-1999 Parsifal Software. All Rights Reserved.
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4 * See the file COPYING for license and usage terms.
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5 *
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6 * conflicttrc.cpp - Conflict trace display
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7 */
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8
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9 #include <stdio.h>
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10 #include "port.h"
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11
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12 #include "arrays.h"
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13 #include "assert.h"
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14 #include "cd.h"
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15 #include "conflictdc.h"
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16 #include "conflicttrc.h"
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17 #include "data.h"
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18 #include "dc.h"
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19 #include "items.h"
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20 #include "nckwtr.h"
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21 #include "p.h"
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22 #include "q1a.h"
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23 #include "q1glbl.h"
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24 #include "rule.h"
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25 #include "stexpdc.h"
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26 #include "stacks.h"
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27 #include "tracedc.h"
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28 #include "ut.h"
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29 #include "wm1.h"
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30 #include "ws.h"
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31
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32 //#define INCLUDE_LOGGING
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33 #include "log.h"
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34
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35
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36 //int *reduction_stack;
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37 //int reduction_stack_depth;
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38
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39 dc_ref new_item_stack_kernel(dc_ref d, tsd *isl) {
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40 dc_ref window;
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41
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42 check_tsd(isl);
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43 return dc_ref(new rule_stack_dc(isl, d->des->c_loc_doc.y, d->head_title));
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44 }
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45
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46 //class rule_stack_dc
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47
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48 static int rule_stack_tabs[] = {4, 12, 0};
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49
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50 rule_stack_dc::rule_stack_dc(tsd *stack, unsigned ln, const AgString foot)
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51 : dc("Rule Stack", foot)
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52 , parser_stack(stack)
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53 {
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54 int k;
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55 int sx, sn, fn, fx;
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56
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57 k = stack->nt;
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58 while (k--) {
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59 xtxf(parser_stack, k, &sx, &sn, &fn, &fx);
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60 if (ln == (unsigned) sx) {
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61 break;
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62 }
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63 }
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64 assert(k >= 0);
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65 //des->c_size = cursor_bar_size;
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66 des->d_size.y = parser_stack->nt;
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67 tab_stops = rule_stack_tabs;
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68 columnHeadTitle = "Level\tState\tRules";
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69 //getWidth();
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70 //manual_resize = 0;
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71 //resize_window();
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72 des->c_loc_doc.y = parser_stack->nt-1;
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73 //bound_cursor_ver(des);
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74 //k = parser_stack->nt - 1 - k;
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75 des->c_loc_doc.y = k;
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76 //bound_cursor_ver(des);
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77 }
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78
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79 void rule_stack_dc::getLine(unsigned tln) const {
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80 int sx, psx=0, sn, psn=0, fn, fx;
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81 unsigned ln;
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82
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83 LOGSECTION("rule_stack_dc::getLine");
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84 LOGV(tln);
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85 ln = parser_stack->nt - tln - 1;
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86 LOGV(ln);
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87 if (ln < parser_stack->nt-1) {
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88 xtx(parser_stack, ln+1, &psx, &psn, &fn, &fx);
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89 }
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90 xtx(parser_stack, ln, &sx, &sn, &fn, &fx);
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91 LOGV(sx);
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92 if (tln && sn == psn && sx == psx) {
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93 sss("\t\t");
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94 }
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95 else {
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96 ssprintf("%2d\tS%03d:\t",sx,sn);
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97 }
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98 append_item(fn, fx);
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99 return;
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100 }
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101
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102
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103 rule_stack_dc::item::item(tsd* stack, unsigned ln) {
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104 LOGSECTION("rule_stack_dc::item::item");
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105 int sn;
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106 int csd;
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107
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108 LOGV(ln) LCV(stack->nt);
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109 ln = stack->nt - 1 - ln;
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110 LOGV(ln);
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111 xtx(stack, ln, &csd, &sn, &rule, &index);
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112 LOGV(sn) LCV(rule) LCV(index);
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113 }
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114
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115 rule_stack_dc::item rule_stack_dc::getItem(unsigned ln) const {
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116 return item(parser_stack, ln);
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117 }
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118
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119 unsigned rule_stack_dc::state(unsigned ln) {
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120 int csd;
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121 int sn, fn, fx;
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122
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123 ln = parser_stack->nt - 1 - ln;
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124 xtx(parser_stack, ln, &csd, &sn, &fn, &fx);
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125 return sn;
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126 }
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127
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128 unsigned rule_stack_dc::token(unsigned ln) {
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129 item x = getItem(ln);
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130 if (map_form_number[x.rule].length() <= x.index) {
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131 return 0;
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132 }
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133 //return lstptr(map_form_number[x.rule], tokens)[x.index];
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134 return Rule(x.rule).token(x.index);
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135 }
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136
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137 void rule_stack_dc::synchCursor(unsigned ln) const {
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138 LOGSECTION("rule_stack_dc::synchCursor");
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139 LOGV(ln);
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140 set_rule_line(getItem(ln).rule);
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141 LOGS("set_rule_line returned");
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142 }
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143
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144 dc_ref rule_stack_dc::expansion_chain(unsigned ln) {
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145 int csd;
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146 int sn, fn, fx;
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147
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148 ln = parser_stack->nt - 1 - ln;
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149 xtx(parser_stack, ln, &csd, &sn, &fn, &fx);
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150 return expansion_chain_window(sn, fn, fx);
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151 }
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152
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153 int rule_stack_dc::expansion_chain_ok(unsigned ln) {
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154 LOGSECTION("rule_stack_dc::expansion_chain_ok");
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155 int csd;
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156 int sn, fn, fx;
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157
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158 ln = parser_stack->nt - 1 - ln;
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159 xtx(parser_stack, ln, &csd, &sn, &fn, &fx);
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160 LOGV(fn) LCV(fx);
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161 return fn != 0 && fx == 0;
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162 }
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163
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164 int rule_stack_dc::rule_context_ok(unsigned ln) {
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165 int csd;
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166 int sn, fn, fx;
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167
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168 ln = parser_stack->nt - 1 - ln;
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169 xtx(parser_stack, ln, &csd, &sn, &fn, &fx);
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170 return fn != 0;
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171 }
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172
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173 dc_ref rule_stack_dc::expansion_rules(unsigned ln) {
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174 item x = getItem(ln);
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175 return expand_specific_item(this, x.rule, x.index);
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176 }
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177
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178 int rule_stack_dc::expansion_rules_ok(unsigned ln) {
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179 item x = getItem(ln);
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180 return build_item_list_ok(token(ln));
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181 }
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182
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183 dc_ref rule_stack_dc::state_expansion(unsigned ln) {
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184 return state_expansion_window(state(ln));
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185 }
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186
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187 int rule_stack_dc::keywords_ok(unsigned ln) {
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188 return keywords_window_ok(state(ln));
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189 }
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190
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191 dc_ref rule_stack_dc::keywords(unsigned ln) {
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192 return keywords_window(state(ln));
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193 }
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194
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195 int rule_stack_dc::productions_ok(unsigned ln) {
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196 return productions_window_ok(token(ln));
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197 }
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198
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199 dc_ref rule_stack_dc::productions(unsigned ln) {
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200 return productions_window(token(ln));
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201 }
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202
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203 dc_ref rule_stack_dc::rule_context(unsigned ln) {
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204 item x = getItem(ln);
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205 return rule_context_window(x.rule);
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206 }
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207
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208 int rule_stack_dc::set_elements_ok(unsigned ln) {
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209 return token_set_window_ok(token(ln));
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210 }
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211
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212 dc_ref rule_stack_dc::set_elements(unsigned ln) {
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213 return token_set_window(token(ln));
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214 }
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215
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216 dc_ref rule_stack_dc::state_definition(unsigned ln) {
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217 return conflict_state_window(state(ln));
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218 }
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219
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220 int rule_stack_dc::usage_ok(unsigned ln) {
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221 return token_usage_window_ok(token(ln));
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222 }
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223
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224 dc_ref rule_stack_dc::usage(unsigned ln) {
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225 return token_usage_window(token(ln));
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226 }
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227
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228 dc_ref problem_states_window(int sn, int fn, int fx, int ct) {
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229 int cfn;
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230 unsigned *list;
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231 dc_ref new_window;
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232 tsd *table;
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233 int i, ns;
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234
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235 if (fx < map_form_number[fn].length()) {
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236 return NULL;
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237 }
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238 AgString foot = AgString::format("S%03d:R%03d:T%03d", sn, fn, ct);
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239 cfn = get_reduction_states(sn, fn, fx);
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240 list = lstptr(map_completed_form[cfn], reduction_states);
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241 ns = map_completed_form[cfn].n_reduction_states;
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242 iws();
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243 for (i = 0; i < ns; i++) {
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244 if (x2d(list[i], ct)) {
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245 aws(list[i]);
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246 }
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247 }
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248 table = build_states_table((unsigned *) list_base, tis());
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249 rws();
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250 new_window = new state_list_dc("Problem States", table, foot);
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251 return new_window;
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252 }
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253
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254 dc_ref build_conflict_trace(int s, int t, int f) {
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255 LOGSECTION("build_conflict_trace");
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256 tsd *stack;
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257 dc_ref new_window;
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258 analyze_conflict(s, t, f, 0);
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259 stack = make_stored_trace(&new_conflict_stack[0],
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260 new_conflict_stack_depth, conflict_token);
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261 new_window = new trace_window_dc("Conflict Trace", stack, s, t, f);
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262 delete_tsd(stack);
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263 return new_window;
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264 }
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265
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266
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267 dc_ref build_red_trace(int s, int t, int f) {
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268 dc_ref window;
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269 tsd *stack;
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270 stack = make_stored_trace(&new_reduction_stack[0],
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271 new_reduction_stack_depth, 0);
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272 window = dc_ref(new trace_window_dc("Reduction Trace", stack, s, t, f));
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273 delete_tsd(stack);
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274 return window;
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275 }
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276
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277 dc_ref conflict_red_trace(int s, int t, int f) {
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278 dc_ref new_window;
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279
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280 analyze_conflict(s, t, f, 0);
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281 new_window = build_red_trace(s, t, f);
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282 return new_window;
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283 }
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284
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285
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286 dc_ref set_up_stack_window(AgString name) {
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287 tsd *stack;
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288 dc_ref window;
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289
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290 stack = init_tsd(2);
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291 at(stack, 0, 0);
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292
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293 window = dc_ref(new trace_window_dc(name, stack));
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294 delete_tsd(stack);
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295 return window;
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296 }
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297
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298 tsd *build_et(FILE *f) {
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299 tsd *et = init_tsd(2);
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300 int s1, s2, tn;
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301 int ns;
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302
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303 int flag = 0 != fscanf(f, "%d", &ns);
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304 flag &= 0 != fscanf(f, "%d", &s1);
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305
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306 while (flag && ns--) {
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307 flag &= 0 != fscanf(f,"%d", &s2);
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308 if (!flag) {
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309 break;
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310 }
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311
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312 const unsigned *goto_list;
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313 int n = find_gotos(s1, &goto_list);
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314 int found = 0;
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315 while (n) {
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316 //unsigned t = *goto_list++;
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317 goto_list++;
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318 unsigned s = *goto_list++;
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319 if (s == s2) {
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320 found = 1;
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321 break;
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322 }
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323 n--;
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324 }
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325 flag &= found;
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326 if (!flag) {
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327 break;
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328 }
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329 at(et, s1, map_state_number[s2].char_token);
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330 s1 = s2;
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331 }
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332 flag &= 0 != fscanf(f, "%d", &tn);
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333 if (!flag) {
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334 delete_tsd(et);
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335 return 0;
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336 }
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337 at(et, s1, tn);
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338 return et;
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339 }
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340
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341 dc_ref build_et_window(void) {
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342 LOGSECTION("build_et_window");
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343 LOGV(etr_file_name.pointer());
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344 LOGV((int) &etr_file_name);
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345
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346 if (!etr_file_name.exists()) {
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347 return NULL;
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348 }
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349
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350 FILE *f = fopen(etr_file_name.pointer(), "r");
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351 tsd *et = build_et(f);
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352 fclose(f);
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353 if (et == 0) {
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354 return dc_ref();
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355 }
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356
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357 dc_ref window;
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358 window = dc_ref(new trace_window_dc("Error Trace", et));
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359 window->foot_title = etr_file_name;
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360 delete_tsd(et);
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361
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362 return window;
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363 }
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364