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annotate compiler.js @ 34:a10f1b049193

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Working closures, but need to rethink method call strategy
author Mike Pavone <pavone@retrodev.com>
date Mon, 09 Jul 2012 08:57:50 -0700
parents 668f533e5284
children bf5e88f6419d
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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 console.log(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 console.log(fakeEl);
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18 each(qall('a', fakeEl), function(idx, a) {
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19 var tpidx = a.textContent.indexOf('.tp');
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20 if (tpidx > -1) {
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21 self.names[a.textContent.substr(0, tpidx)] = true;
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22 }
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23 });
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24 });
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25 }
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26 topsymbols.prototype.find = function(name) {
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27 console.log(this.names);
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28 if (!this.names) {
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29 throw new Error('data not ready');
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30 }
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31 console.log('toplevel', name);
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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 console.log('osymbol parent', this.parent);
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103 return this.parent.getEnvType();
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104 }
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105
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106 function lsymbols(parent)
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107 {
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108 this.parent = parent;
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109 this.names = {};
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110 this.closedover = {};
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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 console.log('find', name, nestedcall);
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117 if (name in this.names) {
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118 if (this.names[name] instanceof funcall && this.names[name].name == 'foreign:') {
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119 return {
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120 type: 'foreign',
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121 def: this.names[name]
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122 };
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123 }
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124 if (nestedcall) {
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125 console.log('closedover', name);
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126 this.closedover[name] = true;
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127 }
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128 if (name in this.closedover) {
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129 return {
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130 type: 'closedover',
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131 def: this.names[name]
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132 };
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133 }
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134 return {
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135 type: 'local',
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136 def: this.names[name]
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137 };
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138 } else if(this.parent) {
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139 var ret = this.parent.find(name, true);
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140 if (ret) {
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141 if (ret.type == 'closedover') {
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142 ret.type = 'upvar';
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143 ret.depth = 1;
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144 } else if (ret.type == 'upvar') {
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145 if (Object(this.closedover).keys.length) {
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146 ret.depth++;
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147 } else {
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148 this.passthruenv = true;
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149 }
31
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150 }
8
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151 }
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152 return ret;
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153 }
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154 return null;
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155 };
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156 lsymbols.prototype.defineVar = function(name, def) {
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157 this.names[name] = def;
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158 };
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159 lsymbols.prototype.selfVar = function() {
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160 if (this.parent && this.parent instanceof lsymbols) {
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161 this.parent.needsSelf();
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162 return 'self';
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163 } else {
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164 return 'this';
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165 }
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166 };
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167 lsymbols.prototype.needsSelf = function() {
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168 if (this.parent && this.parent instanceof lsymbols) {
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169 this.parent.needsSelf();
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170 } else {
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171 this.needsSelfVar = true;
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172 }
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173 };
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174 lsymbols.prototype.allSymbols = osymbols.prototype.allSymbols;
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175 lsymbols.prototype.parentEnvType = function() {
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176 if (!this.parent) {
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177 return 'void';
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178 }
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179 return this.parent.getEnvType();
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180 };
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181 lsymbols.prototype.getEnvType = function() {
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182 if (this.passthruenv) {
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183 console.log('lsymbol parent', this.parent);
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184 return this.parent.getEnvType();
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185 } else {
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186 return this.envtype;
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187 }
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188 }
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189
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190 var mainModule;
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191
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192 function toobj(val)
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193 {
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194 switch(typeof val)
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195 {
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196 case 'boolean':
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197 if(val) {
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198 return mainModule.strue;
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199 } else {
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200 return mainModule.sfalse;
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201 }
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202 case 'number':
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203 return mainModule.snumber(val);
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204 }
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205 throw new Error("can't make val into object");
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206 }
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207
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208 op.prototype.populateSymbols = function(symbols, isReceiver) {
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209 this.left.populateSymbols(symbols);
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210 this.right.populateSymbols(symbols);
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211 };
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212
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213 symbol.prototype.populateSymbols = function(symbols) {
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214 this.symbols = symbols;
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215 symbols.find(this.cleanName());
16
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216 }
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217
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218 intlit.prototype.populateSymbols = function(symbols) {
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219 }
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220
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221 floatlit.prototype.populateSymbols = function(symbols) {
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222 }
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223
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224 strlit.prototype.populateSymbols = function(symbols) {
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225 }
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226
25
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227 listlit.prototype.populateSymbols = function(symbols) {
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228 each(this.val, function(i,el) {
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229 el.populateSymbols(symbols);
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230 });
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231 }
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232
16
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233 funcall.prototype.populateSymbols = function(symbols) {
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234 if (this.name == 'foreign:') {
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235 if ((this.args[0] instanceof lambda) || (this.args[0] instanceof object) || (this.args[0] instanceof symbol)) {
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236 return;
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237 } else {
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238 throw new Error("Unexpected AST type for foreign:");
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239 }
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240 }
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241 this.symbols = symbols;
16
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242 for (var i in this.args) {
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243 this.args[i].populateSymbols(symbols);
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244 }
20
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245 if (this.receiver) {
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246 this.receiver.populateSymbols(symbols);
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247 }
16
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248 }
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249
25
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250 funcall.prototype.populateSymbolsObject = function(symbols) {
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251 this.populateSymbols(symbols.parent);
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252 }
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253
16
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254 object.prototype.populateSymbols = function(symbols) {
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255 symbols = new osymbols(symbols);
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256 for (var i in this.messages) {
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257 this.messages[i].populateSymbolsObject(symbols);
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258 }
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259 this.symbols = symbols;
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260 }
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261
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262 lambda.prototype.populateSymbols = function(symbols) {
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diff changeset
263 var args = this.args ? this.args.slice(0, this.args.length) : [];
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264 if (args.length && args[0].cleanName() == 'self') {
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265 args.splice(0, 1);
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266 }
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267 var exprs = this.expressions;
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268 symbols = new lsymbols(symbols);
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269 for (var i in args) {
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270 symbols.defineVar(args[i].cleanName(), null);
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271 args[i].populateSymbols(symbols);
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272 }
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273 for (var i in exprs) {
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274 exprs[i].populateSymbols(symbols);
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275 }
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276 this.symbols = symbols;
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277 };
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278
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diff changeset
279 assignment.prototype.populateSymbols = function(symbols) {
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280 var existing = symbols.find(this.symbol.name);
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281 if (!existing) {
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282 symbols.defineVar(this.symbol.name, this.expression);
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283 }
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284 this.symbol.populateSymbols(symbols);
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285 this.expression.populateSymbols(symbols);
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286 this.symbols = symbols;
16
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287 };
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288 assignment.prototype.populateSymbolsObject = function(symbols) {
30
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289 if (this.expression instanceof lambda || (this.expression instanceof funcall & this.expression.name == 'foreign:')) {
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290 symbols.defineMsg(this.symbol.name, this.expression);
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291 } else {
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292 symbols.defineMsg(this.symbol.name, new getter(null));
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293 symbols.defineMsg(this.symbol.name + '!', new setter(null));
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294 }
16
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295 this.symbol.populateSymbols(symbols);
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296 this.expression.populateSymbols(symbols);
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297 this.symbols = symbols;
16
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298 };
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299
20
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300 function setter(fun)
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301 {
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302 this.fun = fun;
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303 }
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304 setter.prototype.args = [new symbol('self'), new symbol('newval')];
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305 function getter(fun)
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306 {
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307 this.fun = fun;
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308 }
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608eb70fe261 Fix some compiler bugs and do initial work on module import
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parents: 25
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309 getter.prototype.args = [new symbol('self')];