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annotate compiler.js @ 41:0558dad9d061

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Add basic string support
author Mike Pavone <pavone@retrodev.com>
date Wed, 11 Jul 2012 21:57:38 -0700
parents e7be612fd3ae
children 4e983fe32047
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 function indent(str)
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2 {
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3 return str.split('\n').join('\n\t');
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4 }
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5
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6 var toplevel = new topsymbols();
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7 function topsymbols()
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8 {
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9 this.names = null;
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10 var self = this;
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11 if (typeof window === "object") {
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12 get('/src/', function(data) {
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13 self.names = {};
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14 var fakeEl = newEl("div", {
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15 innerHTML: data.response
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16 });
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17 each(qall('a', fakeEl), function(idx, a) {
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18 var tpidx = a.textContent.indexOf('.tp');
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19 if (tpidx > -1) {
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20 self.names[a.textContent.substr(0, tpidx)] = true;
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21 }
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22 });
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23 });
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24 } else {
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25 this.names = {};
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26 }
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27 }
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28 topsymbols.prototype.find = function(name) {
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29 if (!this.names) {
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30 throw new Error('data not ready');
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31 }
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32 if (name in this.names) {
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33 return {
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34 type: 'toplevel',
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35 def: null
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36 };
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37 }
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38 return null;
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39 }
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40 topsymbols.prototype.getEnvType = function() {
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41 return 'void';
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42 }
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43
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44 function osymbols(parent)
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45 {
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46 this.parent = parent;
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47 this.names = {};
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48 }
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49 osymbols.prototype.find = function(name) {
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50 if (name in this.names) {
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51 if (this.names[name] instanceof funcall && this.names[name].name == 'foreign:') {
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52 return {
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53 type: 'foreign',
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54 def: this.names[name]
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55 };
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56 }
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57 return {
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58 type: 'self',
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59 def: this.names[name],
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60 };
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61 } else if(this.parent) {
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62 var ret = this.parent.find(name);
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63 if (ret) {
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64 if(ret.type == 'self') {
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65 ret.type = 'parent';
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66 ret.depth = 1;
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67 } else if(ret.type == 'parent') {
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68 ret.depth++;
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69 }
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70 }
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71 return ret;
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72 }
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73 return null;
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74 };
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75 osymbols.prototype.defineMsg = function(name, def) {
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76 this.names[name] = def;
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77 }
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78 osymbols.prototype.parentObject = function() {
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79 if (!this.parent) {
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80 return 'null';
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81 }
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82 return 'this';
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83 }
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84 osymbols.prototype.allSymbols = function(curlist, cursyms) {
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85 if (curlist === undefined) {
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86 curlist = [];
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87 cursyms = {};
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88 }
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89 var keys = Object.keys(this.names).sort();
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90 for (var i in keys) {
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91 if (!(keys[i] in cursyms)) {
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92 curlist.push(keys[i]);
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93 cursyms[keys[i]] = true;
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94 }
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95 }
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96 if (this.parent) {
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97 return this.parent.allSymbols(curlist, cursyms);
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98 }
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99 return curlist;
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100 }
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101 osymbols.prototype.getEnvType = function() {
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102 return this.parent.getEnvType();
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103 }
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104
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105 function lsymbols(parent)
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106 {
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107 this.parent = parent;
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108 this.names = {};
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109 this.closedover = {};
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110 this.declared = {};
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111 this.needsSelfVar = false;
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112 this.passthruenv = false;
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113 this.envtype = 'void';
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114 }
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115 lsymbols.prototype.find = function(name, nestedcall) {
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116 if (name in this.names) {
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117 if (this.names[name] instanceof funcall && this.names[name].name == 'foreign:') {
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118 return {
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119 type: 'foreign',
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120 def: this.names[name]
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121 };
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122 }
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123 if (nestedcall) {
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124 this.closedover[name] = true;
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125 }
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126 if (name in this.closedover) {
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127 return {
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128 type: 'closedover',
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129 def: this.names[name]
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130 };
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131 }
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132 return {
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133 type: 'local',
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134 def: this.names[name],
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135 isdeclared: (name in this.declared)
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136 };
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137 } else if(this.parent) {
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138 var ret = this.parent.find(name, true);
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139 if (ret) {
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140 if (ret.type == 'closedover') {
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141 ret.type = 'upvar';
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142 ret.depth = 1;
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143 } else if (ret.type == 'upvar') {
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144 if (Object(this.closedover).keys.length) {
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145 ret.depth++;
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146 } else {
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147 this.passthruenv = true;
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148 }
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149 }
8
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150 }
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151 return ret;
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152 }
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153 return null;
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154 };
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155 lsymbols.prototype.defineVar = function(name, def) {
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156 this.names[name] = def;
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157 };
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158 lsymbols.prototype.declareVar = function(name) {
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159 this.declared[name] = true;
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160 }
8
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161 lsymbols.prototype.selfVar = function() {
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162 if (this.parent && this.parent instanceof lsymbols) {
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163 this.parent.needsSelf();
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164 return 'self';
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165 } else {
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166 return 'this';
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167 }
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168 };
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169 lsymbols.prototype.needsSelf = function() {
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170 if (this.parent && this.parent instanceof lsymbols) {
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171 this.parent.needsSelf();
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172 } else {
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173 this.needsSelfVar = true;
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174 }
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175 };
23
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176 lsymbols.prototype.allSymbols = osymbols.prototype.allSymbols;
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177 lsymbols.prototype.parentEnvType = function() {
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178 if (!this.parent) {
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179 return 'void';
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180 }
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181 return this.parent.getEnvType();
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182 };
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183 lsymbols.prototype.getEnvType = function() {
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184 if (this.passthruenv) {
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185 return this.parent.getEnvType();
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186 } else {
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187 return this.envtype;
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188 }
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189 }
8
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190
16
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191 var mainModule;
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192
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193 function toobj(val)
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194 {
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195 switch(typeof val)
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196 {
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197 case 'boolean':
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198 if(val) {
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199 return mainModule.strue;
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200 } else {
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201 return mainModule.sfalse;
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202 }
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203 case 'number':
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204 return mainModule.snumber(val);
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205 }
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206 throw new Error("can't make val into object");
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207 }
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208
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209 op.prototype.populateSymbols = function(symbols, isReceiver) {
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210 this.left.populateSymbols(symbols);
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211 this.right.populateSymbols(symbols);
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212 };
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213
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214 symbol.prototype.populateSymbols = function(symbols) {
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215 this.symbols = symbols;
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216 symbols.find(this.cleanName());
16
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217 }
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218
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219 intlit.prototype.populateSymbols = function(symbols) {
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220 }
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221
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222 floatlit.prototype.populateSymbols = function(symbols) {
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223 }
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224
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225 strlit.prototype.populateSymbols = function(symbols) {
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226 }
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227
25
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228 listlit.prototype.populateSymbols = function(symbols) {
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229 for (var i = 0; i < this.val.length; i++) {
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230 this.val[i].populateSymbols(symbols);
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231 }
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232 }
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233
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234 arraylit.prototype.populateSymbols = function(symbols) {
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235 for (var i = 0; i < this.val.length; i++) {
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236 this.val[i].populateSymbols(symbols);
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237 }
25
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238 }
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239
16
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240 funcall.prototype.populateSymbols = function(symbols) {
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241 if (this.name == 'foreign:') {
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242 if ((this.args[0] instanceof lambda) || (this.args[0] instanceof object) || (this.args[0] instanceof symbol)) {
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243 return;
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244 } else {
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245 throw new Error("Unexpected AST type for foreign:");
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246 }
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247 }
20
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248 this.symbols = symbols;
16
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249 for (var i in this.args) {
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250 this.args[i].populateSymbols(symbols);
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251 }
20
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252 if (this.receiver) {
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253 this.receiver.populateSymbols(symbols);
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254 }
16
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255 }
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256
25
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diff changeset
257 funcall.prototype.populateSymbolsObject = function(symbols) {
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258 this.populateSymbols(symbols.parent);
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259 }
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260
16
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diff changeset
261 object.prototype.populateSymbols = function(symbols) {
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diff changeset
262 symbols = new osymbols(symbols);
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diff changeset
263 for (var i in this.messages) {
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diff changeset
264 this.messages[i].populateSymbolsObject(symbols);
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diff changeset
265 }
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diff changeset
266 this.symbols = symbols;
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diff changeset
267 }
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268
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diff changeset
269 lambda.prototype.populateSymbols = function(symbols) {
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diff changeset
270 var args = this.args ? this.args.slice(0, this.args.length) : [];
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diff changeset
271 if (args.length && args[0].cleanName() == 'self') {
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diff changeset
272 args.splice(0, 1);
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diff changeset
273 }
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diff changeset
274 var exprs = this.expressions;
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diff changeset
275 symbols = new lsymbols(symbols);
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diff changeset
276 for (var i in args) {
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diff changeset
277 symbols.defineVar(args[i].cleanName(), null);
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diff changeset
278 args[i].populateSymbols(symbols);
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diff changeset
279 }
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diff changeset
280 for (var i in exprs) {
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diff changeset
281 exprs[i].populateSymbols(symbols);
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diff changeset
282 }
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diff changeset
283 this.symbols = symbols;
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diff changeset
284 };
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285
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diff changeset
286 assignment.prototype.populateSymbols = function(symbols) {
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diff changeset
287 var existing = symbols.find(this.symbol.name);
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diff changeset
288 if (!existing) {
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diff changeset
289 symbols.defineVar(this.symbol.name, this.expression);
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diff changeset
290 }
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diff changeset
291 this.symbol.populateSymbols(symbols);
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diff changeset
292 this.expression.populateSymbols(symbols);
20
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diff changeset
293 this.symbols = symbols;
16
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diff changeset
294 };
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diff changeset
295 assignment.prototype.populateSymbolsObject = function(symbols) {
30
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diff changeset
296 if (this.expression instanceof lambda || (this.expression instanceof funcall & this.expression.name == 'foreign:')) {
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diff changeset
297 symbols.defineMsg(this.symbol.name, this.expression);
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diff changeset
298 } else {
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299 symbols.defineMsg(this.symbol.name, new getter(null));
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300 symbols.defineMsg(this.symbol.name + '!', new setter(null));
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301 }
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302 this.symbol.populateSymbols(symbols);
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303 this.expression.populateSymbols(symbols);
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304 this.symbols = symbols;
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305 };
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306
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307 function setter(fun)
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308 {
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309 this.fun = fun;
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310 }
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311 setter.prototype.args = [new symbol('self'), new symbol('newval')];
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312 function getter(fun)
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313 {
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314 this.fun = fun;
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315 }
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316 getter.prototype.args = [new symbol('self')];