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annotate compiler.js @ 42:4e983fe32047

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Fix closures as methods so that private vars work
author Mike Pavone <pavone@retrodev.com>
date Thu, 12 Jul 2012 20:14:15 -0700
parents e7be612fd3ae
children 18ab96287c3a
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 this.needsenv = false;
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49 }
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50 osymbols.prototype.find = function(name, nestedcall) {
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51 if (name in this.names) {
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52 if (this.names[name] instanceof funcall && this.names[name].name == 'foreign:') {
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53 return {
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54 type: 'foreign',
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55 def: this.names[name]
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56 };
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57 }
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58 return {
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59 type: 'self',
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60 def: this.names[name],
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61 };
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62 } else if(this.parent) {
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63 var ret = this.parent.find(name, nestedcall);
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64 if (ret) {
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65 if(ret.type == 'self') {
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66 ret.type = 'parent';
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67 ret.depth = 1;
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68 } else if(ret.type == 'parent') {
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69 ret.depth++;
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70 } else if(ret.type == 'closedover' || ret.type == 'upvar') {
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71 this.needsenv = true;
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72 }
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73 }
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74 return ret;
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75 }
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76 return null;
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77 };
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78 osymbols.prototype.defineMsg = function(name, def) {
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79 this.names[name] = def;
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80 }
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81 osymbols.prototype.parentObject = function() {
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82 if (!this.parent) {
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83 return 'null';
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84 }
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85 return 'this';
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86 }
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87 osymbols.prototype.allSymbols = function(curlist, cursyms) {
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88 if (curlist === undefined) {
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89 curlist = [];
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90 cursyms = {};
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91 }
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92 var keys = Object.keys(this.names).sort();
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93 for (var i in keys) {
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94 if (!(keys[i] in cursyms)) {
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95 curlist.push(keys[i]);
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96 cursyms[keys[i]] = true;
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97 }
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98 }
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99 if (this.parent) {
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100 return this.parent.allSymbols(curlist, cursyms);
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101 }
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102 return curlist;
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103 }
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104 osymbols.prototype.getEnvType = function() {
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105 return this.parent.getEnvType();
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106 }
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107 osymbols.prototype.envVar = function() {
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108 return this.parent.envVar();
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109 }
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110
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111 function lsymbols(parent)
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112 {
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113 this.parent = parent;
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114 this.names = {};
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115 this.closedover = {};
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116 this.declared = {};
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117 this.needsSelfVar = false;
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118 this.passthruenv = false;
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119 this.envtype = 'void';
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120 }
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121 lsymbols.prototype.find = function(name, nestedcall) {
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122 if (name in this.names) {
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123 if (this.names[name] instanceof funcall && this.names[name].name == 'foreign:') {
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124 return {
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125 type: 'foreign',
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126 def: this.names[name]
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127 };
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128 }
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129 if (nestedcall) {
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130 this.closedover[name] = true;
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131 }
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132 if (name in this.closedover) {
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133 return {
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134 type: 'closedover',
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135 def: this.names[name]
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136 };
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137 }
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138 return {
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139 type: 'local',
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140 def: this.names[name],
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141 isdeclared: (name in this.declared)
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142 };
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143 } else if(this.parent) {
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144 var ret = this.parent.find(name, true);
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145 if (ret) {
34
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diff changeset
146 if (ret.type == 'closedover') {
31
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147 ret.type = 'upvar';
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148 ret.depth = 1;
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diff changeset
149 } else if (ret.type == 'upvar') {
34
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150 if (Object(this.closedover).keys.length) {
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diff changeset
151 ret.depth++;
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152 } else {
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153 this.passthruenv = true;
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154 }
31
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155 }
8
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156 }
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157 return ret;
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158 }
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159 return null;
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160 };
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161 lsymbols.prototype.defineVar = function(name, def) {
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162 this.names[name] = def;
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163 };
38
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diff changeset
164 lsymbols.prototype.declareVar = function(name) {
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165 this.declared[name] = true;
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166 }
8
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167 lsymbols.prototype.selfVar = 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 return 'self';
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171 } else {
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172 return 'this';
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173 }
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174 };
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175 lsymbols.prototype.needsSelf = function() {
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176 if (this.parent && this.parent instanceof lsymbols) {
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177 this.parent.needsSelf();
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178 } else {
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179 this.needsSelfVar = true;
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180 }
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181 };
23
068d63627b16 Populate in scope symbol buttons when clicking on a symbol in the source
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182 lsymbols.prototype.allSymbols = osymbols.prototype.allSymbols;
34
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183 lsymbols.prototype.parentEnvType = function() {
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184 if (!this.parent) {
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185 return 'void';
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186 }
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187 return this.parent.getEnvType();
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188 };
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189 lsymbols.prototype.getEnvType = function() {
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190 if (this.passthruenv) {
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191 return this.parent.getEnvType();
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192 } else {
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193 return this.envtype;
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194 }
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195 }
42
4e983fe32047 Fix closures as methods so that private vars work
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diff changeset
196 lsymbols.prototype.envVar = function() {
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197 if (Object.keys(this.closedover).length) {
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diff changeset
198 return 'myenv';
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199 } else if(this.passthruenv) {
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200 return 'env';
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diff changeset
201 }
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202 return null;
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diff changeset
203 }
8
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204
16
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diff changeset
205 var mainModule;
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206
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diff changeset
207 function toobj(val)
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208 {
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diff changeset
209 switch(typeof val)
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diff changeset
210 {
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diff changeset
211 case 'boolean':
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212 if(val) {
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213 return mainModule.strue;
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214 } else {
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215 return mainModule.sfalse;
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216 }
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217 case 'number':
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218 return mainModule.snumber(val);
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219 }
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220 throw new Error("can't make val into object");
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diff changeset
221 }
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diff changeset
222
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diff changeset
223 op.prototype.populateSymbols = function(symbols, isReceiver) {
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diff changeset
224 this.left.populateSymbols(symbols);
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diff changeset
225 this.right.populateSymbols(symbols);
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226 };
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227
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diff changeset
228 symbol.prototype.populateSymbols = function(symbols) {
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229 this.symbols = symbols;
34
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diff changeset
230 symbols.find(this.cleanName());
16
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diff changeset
231 }
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diff changeset
232
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diff changeset
233 intlit.prototype.populateSymbols = function(symbols) {
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diff changeset
234 }
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235
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diff changeset
236 floatlit.prototype.populateSymbols = function(symbols) {
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diff changeset
237 }
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diff changeset
238
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diff changeset
239 strlit.prototype.populateSymbols = function(symbols) {
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diff changeset
240 }
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diff changeset
241
25
4d87c38404d6 List literals, fixes to implicit self property lookup, import statement and editor improvements
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diff changeset
242 listlit.prototype.populateSymbols = function(symbols) {
38
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diff changeset
243 for (var i = 0; i < this.val.length; i++) {
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diff changeset
244 this.val[i].populateSymbols(symbols);
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diff changeset
245 }
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diff changeset
246 }
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diff changeset
247
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diff changeset
248 arraylit.prototype.populateSymbols = function(symbols) {
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diff changeset
249 for (var i = 0; i < this.val.length; i++) {
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diff changeset
250 this.val[i].populateSymbols(symbols);
e7be612fd3ae Very basic array support
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diff changeset
251 }
25
4d87c38404d6 List literals, fixes to implicit self property lookup, import statement and editor improvements
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diff changeset
252 }
4d87c38404d6 List literals, fixes to implicit self property lookup, import statement and editor improvements
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diff changeset
253
16
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diff changeset
254 funcall.prototype.populateSymbols = function(symbols) {
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diff changeset
255 if (this.name == 'foreign:') {
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diff changeset
256 if ((this.args[0] instanceof lambda) || (this.args[0] instanceof object) || (this.args[0] instanceof symbol)) {
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diff changeset
257 return;
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diff changeset
258 } else {
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diff changeset
259 throw new Error("Unexpected AST type for foreign:");
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diff changeset
260 }
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diff changeset
261 }
20
bf03c9f0dd55 Initial work on proper property support
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diff changeset
262 this.symbols = symbols;
16
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diff changeset
263 for (var i in this.args) {
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diff changeset
264 this.args[i].populateSymbols(symbols);
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diff changeset
265 }
20
bf03c9f0dd55 Initial work on proper property support
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diff changeset
266 if (this.receiver) {
bf03c9f0dd55 Initial work on proper property support
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diff changeset
267 this.receiver.populateSymbols(symbols);
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diff changeset
268 }
16
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diff changeset
269 }
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diff changeset
270
25
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diff changeset
271 funcall.prototype.populateSymbolsObject = function(symbols) {
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diff changeset
272 this.populateSymbols(symbols.parent);
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diff changeset
273 }
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diff changeset
274
16
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diff changeset
275 object.prototype.populateSymbols = function(symbols) {
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diff changeset
276 symbols = new osymbols(symbols);
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diff changeset
277 for (var i in this.messages) {
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diff changeset
278 this.messages[i].populateSymbolsObject(symbols);
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diff changeset
279 }
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diff changeset
280 this.symbols = symbols;
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diff changeset
281 }
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diff changeset
282
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diff changeset
283 lambda.prototype.populateSymbols = function(symbols) {
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diff changeset
284 var args = this.args ? this.args.slice(0, this.args.length) : [];
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diff changeset
285 if (args.length && args[0].cleanName() == 'self') {
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diff changeset
286 args.splice(0, 1);
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diff changeset
287 }
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diff changeset
288 var exprs = this.expressions;
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diff changeset
289 symbols = new lsymbols(symbols);
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diff changeset
290 for (var i in args) {
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diff changeset
291 symbols.defineVar(args[i].cleanName(), null);
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diff changeset
292 args[i].populateSymbols(symbols);
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diff changeset
293 }
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diff changeset
294 for (var i in exprs) {
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diff changeset
295 exprs[i].populateSymbols(symbols);
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diff changeset
296 }
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diff changeset
297 this.symbols = symbols;
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diff changeset
298 };
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299
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300 assignment.prototype.populateSymbols = function(symbols) {
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301 var existing = symbols.find(this.symbol.name);
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302 if (!existing) {
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303 symbols.defineVar(this.symbol.name, this.expression);
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304 }
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305 this.symbol.populateSymbols(symbols);
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306 this.expression.populateSymbols(symbols);
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307 this.symbols = symbols;
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308 };
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309 assignment.prototype.populateSymbolsObject = function(symbols) {
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310 if (this.expression instanceof lambda || (this.expression instanceof funcall & this.expression.name == 'foreign:')) {
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311 symbols.defineMsg(this.symbol.name, this.expression);
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312 } else {
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313 symbols.defineMsg(this.symbol.name, new getter(null));
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314 symbols.defineMsg(this.symbol.name + '!', new setter(null));
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315 }
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316 this.symbol.populateSymbols(symbols);
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317 this.expression.populateSymbols(symbols);
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318 this.symbols = symbols;
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319 };
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320
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321 function setter(fun)
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322 {
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323 this.fun = fun;
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324 }
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325 setter.prototype.args = [new symbol('self'), new symbol('newval')];
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326 function getter(fun)
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327 {
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328 this.fun = fun;
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329 }
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330 getter.prototype.args = [new symbol('self')];