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annotate compiler.js @ 35:bf5e88f6419d

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Use a function/method call strategy that actually works
author Mike Pavone <pavone@retrodev.com>
date Mon, 09 Jul 2012 21:32:28 -0700
parents a10f1b049193
children 3b0503a67165
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 get('/src/', function(data) {
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12 self.names = {};
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13 var fakeEl = newEl("div", {
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14 innerHTML: data.response
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15 });
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16 each(qall('a', fakeEl), function(idx, a) {
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17 var tpidx = a.textContent.indexOf('.tp');
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18 if (tpidx > -1) {
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19 self.names[a.textContent.substr(0, tpidx)] = true;
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20 }
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21 });
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22 });
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23 }
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24 topsymbols.prototype.find = function(name) {
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25 if (!this.names) {
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26 throw new Error('data not ready');
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27 }
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28 if (name in this.names) {
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29 return {
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30 type: 'toplevel',
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31 def: null
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32 };
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33 }
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34 return null;
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35 }
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36 topsymbols.prototype.getEnvType = function() {
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37 return 'void';
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38 }
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39
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40 function osymbols(parent)
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41 {
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42 this.parent = parent;
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43 this.names = {};
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44 }
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45 osymbols.prototype.find = function(name) {
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46 if (name in this.names) {
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47 if (this.names[name] instanceof funcall && this.names[name].name == 'foreign:') {
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48 return {
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49 type: 'foreign',
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50 def: this.names[name]
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51 };
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52 }
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53 return {
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54 type: 'self',
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55 def: this.names[name],
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56 };
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57 } else if(this.parent) {
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58 var ret = this.parent.find(name);
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59 if (ret) {
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60 if(ret.type == 'self') {
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61 ret.type = 'parent';
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62 ret.depth = 1;
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63 } else if(ret.type == 'parent') {
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64 ret.depth++;
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65 }
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66 }
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67 return ret;
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68 }
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69 return null;
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70 };
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71 osymbols.prototype.defineMsg = function(name, def) {
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72 this.names[name] = def;
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73 }
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74 osymbols.prototype.parentObject = function() {
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75 if (!this.parent) {
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76 return 'null';
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77 }
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78 return 'this';
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79 }
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80 osymbols.prototype.allSymbols = function(curlist, cursyms) {
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81 if (curlist === undefined) {
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82 curlist = [];
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83 cursyms = {};
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84 }
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85 var keys = Object.keys(this.names).sort();
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86 for (var i in keys) {
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87 if (!(keys[i] in cursyms)) {
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88 curlist.push(keys[i]);
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89 cursyms[keys[i]] = true;
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90 }
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91 }
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92 if (this.parent) {
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93 return this.parent.allSymbols(curlist, cursyms);
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94 }
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95 return curlist;
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96 }
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97 osymbols.prototype.getEnvType = function() {
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98 return this.parent.getEnvType();
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99 }
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100
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101 function lsymbols(parent)
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102 {
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103 this.parent = parent;
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104 this.names = {};
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105 this.closedover = {};
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106 this.needsSelfVar = false;
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107 this.passthruenv = false;
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108 this.envtype = 'void';
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109 }
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110 lsymbols.prototype.find = function(name, nestedcall) {
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111 if (name in this.names) {
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112 if (this.names[name] instanceof funcall && this.names[name].name == 'foreign:') {
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113 return {
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114 type: 'foreign',
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115 def: this.names[name]
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116 };
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117 }
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118 if (nestedcall) {
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119 this.closedover[name] = true;
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120 }
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121 if (name in this.closedover) {
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122 return {
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123 type: 'closedover',
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124 def: this.names[name]
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125 };
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126 }
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127 return {
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128 type: 'local',
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129 def: this.names[name]
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130 };
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131 } else if(this.parent) {
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132 var ret = this.parent.find(name, true);
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133 if (ret) {
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134 if (ret.type == 'closedover') {
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135 ret.type = 'upvar';
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136 ret.depth = 1;
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137 } else if (ret.type == 'upvar') {
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138 if (Object(this.closedover).keys.length) {
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139 ret.depth++;
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140 } else {
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141 this.passthruenv = true;
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142 }
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143 }
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144 }
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145 return ret;
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146 }
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147 return null;
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148 };
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149 lsymbols.prototype.defineVar = function(name, def) {
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150 this.names[name] = def;
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151 };
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152 lsymbols.prototype.selfVar = function() {
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153 if (this.parent && this.parent instanceof lsymbols) {
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154 this.parent.needsSelf();
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155 return 'self';
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156 } else {
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157 return 'this';
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158 }
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159 };
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160 lsymbols.prototype.needsSelf = function() {
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161 if (this.parent && this.parent instanceof lsymbols) {
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162 this.parent.needsSelf();
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163 } else {
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164 this.needsSelfVar = true;
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165 }
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166 };
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167 lsymbols.prototype.allSymbols = osymbols.prototype.allSymbols;
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168 lsymbols.prototype.parentEnvType = function() {
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169 if (!this.parent) {
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170 return 'void';
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171 }
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172 return this.parent.getEnvType();
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173 };
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174 lsymbols.prototype.getEnvType = function() {
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175 if (this.passthruenv) {
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176 return this.parent.getEnvType();
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177 } else {
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178 return this.envtype;
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179 }
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180 }
8
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181
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182 var mainModule;
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183
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184 function toobj(val)
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185 {
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186 switch(typeof val)
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187 {
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188 case 'boolean':
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189 if(val) {
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190 return mainModule.strue;
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191 } else {
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192 return mainModule.sfalse;
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193 }
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194 case 'number':
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195 return mainModule.snumber(val);
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196 }
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197 throw new Error("can't make val into object");
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198 }
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199
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200 op.prototype.populateSymbols = function(symbols, isReceiver) {
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201 this.left.populateSymbols(symbols);
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202 this.right.populateSymbols(symbols);
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203 };
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204
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205 symbol.prototype.populateSymbols = function(symbols) {
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206 this.symbols = symbols;
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207 symbols.find(this.cleanName());
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208 }
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209
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210 intlit.prototype.populateSymbols = function(symbols) {
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211 }
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212
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213 floatlit.prototype.populateSymbols = function(symbols) {
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214 }
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215
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216 strlit.prototype.populateSymbols = function(symbols) {
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217 }
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218
25
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219 listlit.prototype.populateSymbols = function(symbols) {
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220 each(this.val, function(i,el) {
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221 el.populateSymbols(symbols);
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222 });
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223 }
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224
16
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225 funcall.prototype.populateSymbols = function(symbols) {
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226 if (this.name == 'foreign:') {
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227 if ((this.args[0] instanceof lambda) || (this.args[0] instanceof object) || (this.args[0] instanceof symbol)) {
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228 return;
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229 } else {
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230 throw new Error("Unexpected AST type for foreign:");
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231 }
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232 }
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233 this.symbols = symbols;
16
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234 for (var i in this.args) {
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235 this.args[i].populateSymbols(symbols);
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236 }
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237 if (this.receiver) {
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238 this.receiver.populateSymbols(symbols);
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239 }
16
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240 }
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241
25
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242 funcall.prototype.populateSymbolsObject = function(symbols) {
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243 this.populateSymbols(symbols.parent);
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244 }
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245
16
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246 object.prototype.populateSymbols = function(symbols) {
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247 symbols = new osymbols(symbols);
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248 for (var i in this.messages) {
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249 this.messages[i].populateSymbolsObject(symbols);
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250 }
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251 this.symbols = symbols;
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252 }
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253
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254 lambda.prototype.populateSymbols = function(symbols) {
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diff changeset
255 var args = this.args ? this.args.slice(0, this.args.length) : [];
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256 if (args.length && args[0].cleanName() == 'self') {
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diff changeset
257 args.splice(0, 1);
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258 }
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diff changeset
259 var exprs = this.expressions;
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260 symbols = new lsymbols(symbols);
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261 for (var i in args) {
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262 symbols.defineVar(args[i].cleanName(), null);
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263 args[i].populateSymbols(symbols);
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264 }
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265 for (var i in exprs) {
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266 exprs[i].populateSymbols(symbols);
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267 }
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268 this.symbols = symbols;
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269 };
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270
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diff changeset
271 assignment.prototype.populateSymbols = function(symbols) {
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272 var existing = symbols.find(this.symbol.name);
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273 if (!existing) {
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274 symbols.defineVar(this.symbol.name, this.expression);
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275 }
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276 this.symbol.populateSymbols(symbols);
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277 this.expression.populateSymbols(symbols);
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278 this.symbols = symbols;
16
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279 };
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280 assignment.prototype.populateSymbolsObject = function(symbols) {
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281 if (this.expression instanceof lambda || (this.expression instanceof funcall & this.expression.name == 'foreign:')) {
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282 symbols.defineMsg(this.symbol.name, this.expression);
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283 } else {
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284 symbols.defineMsg(this.symbol.name, new getter(null));
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285 symbols.defineMsg(this.symbol.name + '!', new setter(null));
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286 }
16
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287 this.symbol.populateSymbols(symbols);
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288 this.expression.populateSymbols(symbols);
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289 this.symbols = symbols;
16
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290 };
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291
20
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292 function setter(fun)
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293 {
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294 this.fun = fun;
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295 }
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296 setter.prototype.args = [new symbol('self'), new symbol('newval')];
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297 function getter(fun)
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298 {
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299 this.fun = fun;
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300 }
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parents: 25
diff changeset
301 getter.prototype.args = [new symbol('self')];