Mercurial > repos > tabletprog
annotate cbackend.js @ 259:32964a4e7a33
Add ltrim method to string
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 29 May 2014 18:51:15 -0700 |
parents | 2557ce4e671f |
children | d6a4c9e7716e |
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1 var mainModule; |
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2 var modules = {}; |
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3 |
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4 var methodIds = {}; |
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5 var methodNames = []; |
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6 var assignNames; |
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7 function getMethodId(methodName) |
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8 { |
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9 if (!(methodName in methodIds)) { |
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10 methodIds[methodName] = methodNames.length; |
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11 methodNames.push(methodName); |
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12 } |
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13 return methodIds[methodName]; |
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14 } |
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15 |
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16 function getOpMethodName(opname) |
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17 { |
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18 var optoMeth = {'+': 'ADD_', '-': 'SUB_', '*': 'MUL_', '/': 'DIV_', '%': 'MOD_', |
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19 '=': 'EQ_', '!=': 'NEQ_', '<': 'LT_', '>': 'GT_', '>=': 'GEQ_', '<=': 'LEQ_', |
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20 '.': 'CAT_', '&&':'if', '||':'ifnot', '|': 'CONS_'}; |
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21 if (opname in optoMeth) { |
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22 return optoMeth[opname]; |
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23 } else { |
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24 return opname; |
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25 } |
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26 } |
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27 |
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28 op.prototype.toC = function(isReceiver) { |
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29 var method = getOpMethodName(this.op); |
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30 if (this.op == '|') { |
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31 return 'mcall(' + getMethodId(method) + '/* operator ' + method + ' */, 2, (object *)' + this.right.toC() + ', ' + this.left.toC() + ')\n'; |
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32 } else { |
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33 return 'mcall(' + getMethodId(method) + '/* operator ' + method + ' */, 2, (object *)' + this.left.toC() + ', ' + this.right.toC() + ')\n'; |
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34 } |
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35 }; |
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36 op.prototype.toCLLExpr = function(vars) { |
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37 var opmap = {'=': '==', 'xor': '^', 'or': '|', 'and': '&'}; |
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38 return this.left.toCLLExpr(vars) + (this.op in opmap ? opmap[this.op] : this.op) + this.right.toCLLExpr(vars); |
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39 }; |
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40 op.prototype.toCLines = function(vars, needsreturn) { |
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41 return [ (needsreturn ? 'return (object *)' : '' ) + this.toCLLExpr(vars) + ';']; |
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42 }; |
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43 |
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44 |
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45 function escapeCName(name) |
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46 { |
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47 if (name == 'self') { |
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48 return name; |
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49 } |
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50 name = name.replace(/_/g, "UN_").replace(/:/g, "CN_").replace(/!/g, "EX_").replace(/\?/g, 'QS_').replace(/@/g, 'AT_'); |
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51 name = 'tp_' + name; |
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52 return name; |
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53 } |
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54 |
54 | 55 function getSymbolPrefix(info, symbols) |
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56 { |
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57 var pre = ''; |
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58 switch(info.type) { |
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59 case 'self': |
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60 |
54 | 61 pre = (new symbol('self', symbols)).toC() + '->'; |
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62 break; |
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63 case 'parent': |
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64 pre = (new symbol('self', symbols)).toC() + '->header.'; |
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65 for (var i = 0; i < info.depth; ++i) { |
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66 pre += (i ? '->' : '') + 'parent'; |
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67 } |
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68 pre = '((' + info.selftype + ' *)' + pre + ')->'; |
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69 break; |
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70 case 'upvar': |
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71 pre = 'env->'; |
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72 for (var i = info.startdepth; i < info.depth; ++i) { |
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73 pre += 'parent->'; |
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74 } |
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75 break; |
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76 case 'recupvar': |
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77 if (info.subtype == 'object') { |
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78 pre = 'self->env->'; |
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79 } else { |
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80 //TODO: fill this case in if necessary |
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81 } |
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82 pre += getSymbolPrefix(info.parent); |
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83 case 'closedover': |
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84 pre = 'myenv->'; |
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85 } |
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86 return pre; |
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87 } |
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88 |
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89 symbol.prototype.toC = function() { |
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90 var name = this.cleanName(); |
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91 var info = this.symbols.find(name); |
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92 if (!info) { |
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93 throw new Error('symbol ' + name + ' not found in ' + assignNames.join('<-')); |
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94 } |
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95 if (info.type == 'toplevel') { |
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96 return toplevel.moduleVar(name); |
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97 } else if (info.type == 'self' && info.def instanceof lambda) { |
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98 return 'mcall(' + getMethodId(name) + '/* ' + name + ' */, 1, ' + (new symbol('self', this.symbols)).toC() + ')'; |
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99 } else if (info.type == 'parent' && info.def instanceof lambda) { |
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100 var obj = (new symbol('self', this.symbols)).toC() + '->header.'; |
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101 for (var i = 0; i < info.depth; ++i) { |
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102 obj += (i ? '->' : '') + 'parent'; |
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103 } |
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104 return 'mcall(' + getMethodId(name) + '/* ' + name + ' */, 1, ' + obj + ')'; |
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105 } |
54 | 106 return getSymbolPrefix(info, this.symbols) + escapeCName(name); |
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107 } |
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108 symbol.prototype.toCTypeName = function() { |
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109 return this.cleanName(); |
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110 }; |
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111 symbol.prototype.toCLLExpr = function(vars) { |
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112 var name = this.cleanName(); |
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113 if (name in vars) { |
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114 return name; |
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115 } |
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116 if (name == 'self') { |
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117 return 'self'; |
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118 } |
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119 var info = this.symbols.find(name, false, true); |
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120 var symbols = this.symbols; |
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121 while (info && info.type == 'local') { |
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122 symbols = symbols.parent; |
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123 info = symbols.find(name, false, true); |
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124 } |
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125 if (!info) { |
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126 return name; |
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127 } |
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128 if (info.type == 'toplevel') { |
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129 return toplevel.moduleVar(name); |
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130 } else if (info.type == 'self') { |
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131 if (info.isll || !(info.def instanceof lambda)) { |
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132 return 'self->' + name; |
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133 } else { |
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134 return 'mcall(' + getMethodId(name) + '/* ' + name + ' */, 1, self)'; |
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135 } |
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136 } |
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137 throw new Error('Unsupported reference type ' + info.type + ' for variable ' + name); |
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138 }; |
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139 symbol.prototype.toCLines = function(vars, needsreturn) { |
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140 return [ (needsreturn ? 'return (object *)' : '' ) + this.toCLLExpr(vars) + ';' ]; |
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141 }; |
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142 |
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143 var declaredInts = {}; |
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144 |
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145 intlit.prototype.toC = function() { |
155
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146 var intType = (this.unsigned ? 'u' : '') + 'int' + this.bits; |
135
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147 var str = intType + '_' + (this.val < 0 ? 'neg_' + (0-this.val).toString() : this.val.toString()); |
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148 if (!(str in declaredInts)) { |
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149 toplevelcode += 'obj_' + intType + ' ' + str + ' = {{&obj_' + intType + '_meta, NULL}, ' + this.val.toString() + '};\n'; |
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150 declaredInts[str] = true; |
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151 } |
135
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152 return '((object *)&' + str + ')'; |
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153 } |
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154 intlit.prototype.toCLLExpr = function(vars) { |
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155 return this.val.toString(); |
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156 }; |
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157 intlit.prototype.toCLines = function(vars, needsreturn) { |
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158 return [ (needsreturn ? 'return (object *)' : '' ) + this.toCLLExpr(vars) + ';' ]; |
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159 }; |
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160 |
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161 floatlit.prototype.toC = function() { |
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162 return 'make_float(' + this.val.toString() + ')'; |
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163 } |
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164 floatlit.prototype.toCLLExpr = function(vars) { |
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165 return this.val.toString(); |
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166 }; |
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167 floatlit.prototype.toCLines = function(vars, needsreturn) { |
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168 return [ (needsreturn ? 'return (object *)' : '' ) + this.toCLLExpr(vars) + ';' ]; |
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169 }; |
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170 |
41 | 171 var declaredStrings = {}; |
172 var nextStringId = 0; | |
173 | |
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174 strlit.prototype.toC = function() { |
41 | 175 if (!(this.val in declaredStrings)) { |
176 //TODO: get the proper byte length | |
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177 toplevelcode += 'string str_' + nextStringId + ' = {{&string_meta, NULL}, ' + this.val.length + ', ' + this.val.length + ', "' + this.val.replace(/\\/g, '\\\\').replace(/"/g, '\\"').replace(/\n/g, '\\n').replace(/\r/g, '\\r') + '"};\n'; |
41 | 178 declaredStrings[this.val] = nextStringId++; |
179 } | |
180 return '((object *)&str_' + declaredStrings[this.val] + ')'; | |
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181 }; |
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182 strlit.prototype.toCLLExpr = function(vars) { |
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183 return '"' + this.val.replace(/\\/g, '\\\\').replace(/"/g, '\\"').replace(/\n/g, '\\n').replace(/\r/g, '\\r') + '"'; |
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184 }; |
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185 strlit.prototype.toCLines = function(vars, needsreturn) { |
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186 return [ (needsreturn ? 'return (object *)' : '' ) + this.toCLLExpr(vars) +';' ]; |
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187 }; |
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188 |
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189 listlit.prototype.toC = function() { |
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190 var ret = 'make_list(' + this.val.length; |
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191 for (var i = this.val.length-1; i >= 0; i--) { |
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192 ret += ', ' + this.val[i].toC(); |
38 | 193 } |
194 return ret + ')'; | |
195 } | |
196 | |
197 arraylit.prototype.toC = function() { | |
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198 var ret = 'make_array(' + this.val.length; |
38 | 199 for (var i = 0; i < this.val.length; i++) { |
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200 ret += ', ' + this.val[i].toC(); |
38 | 201 } |
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202 return ret + ')'; |
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203 } |
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204 |
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205 funcall.prototype.toC = function() { |
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206 var name = this.name[this.name.length-1] == ':' ? this.name.substr(0, this.name.length-1) : this.name; |
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207 if (name == 'foreign') { |
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208 if ((this.args[0] instanceof lambda) || (this.args[0] instanceof object)) { |
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209 return null; |
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210 } else if(this.args[0] instanceof symbol) { |
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211 return this.args[0].name; |
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212 } else { |
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213 throw new Error("Unexpected AST type for foreign:"); |
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214 } |
211
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215 } else if(name == 'llProperty:withType' || name == 'llProperty:withVars:andCode' || name == 'quote') { |
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216 return null; |
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217 } |
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218 var args = this.args.slice(0, this.args.length); |
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219 if (this.receiver) { |
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220 args.splice(0, 0, this.receiver); |
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221 } |
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222 var method = false; |
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223 var funinfo = this.symbols.find(name); |
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224 var start = 0; |
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225 if (!funinfo || funinfo.def instanceof setter || funinfo.type == 'toplevel') { |
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226 method = true; |
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227 } else { |
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228 switch(funinfo.type) |
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229 { |
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230 case 'self': |
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231 case 'parent': |
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232 var defargs = funinfo.def.args.length; |
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233 if (!defargs || funinfo.def.args[0].cleanName() != 'self') { |
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234 defargs ++ |
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235 } |
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236 if (args.length < defargs) { |
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237 if (funinfo.type == 'self') { |
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238 args.splice(0, 0, new symbol('self', this.symbols)); |
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239 } else { |
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240 var obj = (new symbol('self', this.symbols)).toC() + '->header.'; |
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241 for (var i = 0; i < funinfo.depth; ++i) { |
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242 obj += (i ? '->' : '') + 'parent'; |
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243 } |
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244 args.splice(0, 0, ', ' + obj); |
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245 start = 1; |
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246 } |
137
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247 } else if(!(args[0] instanceof symbol) || args[0].name != 'self') { |
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248 funinfo = null; |
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249 } |
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250 method = true; |
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251 break; |
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252 } |
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253 } |
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254 for (var i = start; i < args.length; i++) { |
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255 args[i] = ', ' + (!i && method ? '(object *)(' : '') + args[i].toC() + (!i && method ? ')' : ''); |
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256 } |
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257 var callpart; |
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258 if (method) { |
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259 if (funinfo && funinfo.type == 'self' && funinfo.def.name) { |
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260 callpart = funinfo.def.name + '(' + (funinfo.def.symbols.parent.needsenv ? (new symbol('self', this.symbols)).toC() + '->env' : 'NULL' ); |
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261 } else { |
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262 callpart = 'mcall(' + getMethodId(name) + '/* ' + name + ' */'; |
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263 } |
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264 } else { |
172
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265 var closVar = (new symbol(name, this.symbols)).toC(); |
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266 callpart = '((lambda *)' + closVar + ')->func(((lambda *)' + closVar + ')->env'; |
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267 } |
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268 return callpart + ', ' + args.length + args.join('') + ')'; |
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269 }; |
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270 funcall.prototype.toCTypeName = function() { |
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271 switch(this.name) |
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272 { |
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273 case 'ptr:': |
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274 case 'ptr': |
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275 var receiver = this.receiver ? this.receiver : this.args[0]; |
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276 return receiver.toCTypeName() + ' *'; |
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277 break; |
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278 case 'struct:': |
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279 case 'struct': |
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280 var receiver = this.receiver ? this.receiver : this.args[0]; |
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281 return 'struct ' + receiver.toCTypeName(); |
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282 break; |
177
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283 case 'funptr:': |
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284 case 'funptr': |
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285 var rettype; |
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286 var firstArg; |
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287 if (this.receiver) { |
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288 rettype = this.receiver; |
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289 firstArg = 0; |
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290 } else { |
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291 rettype = this.args[0]; |
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292 firstArg = 1; |
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293 } |
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294 var argtypes = ''; |
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295 for (var i = firstArg; i < this.args.length; i++) { |
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296 if (argtypes) { |
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297 argtypes += ', ' |
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298 } |
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299 argtypes += this.args[i].toCTypeName(); |
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300 } |
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301 return [rettype.toCTypeName() + '(*', ')(' + argtypes + ')']; |
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302 break; |
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303 default: |
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304 throw new Error('invalid use of funcall expression where a C type name is expected'); |
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305 } |
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306 }; |
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307 funcall.prototype.toCLines = function(vars, needsreturn) { |
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308 var lines = []; |
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309 var name = this.name[this.name.length-1] == ':' ? this.name.substr(0, this.name.length-1) : this.name; |
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310 var args = this.args.slice(0, this.args.length); |
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311 if (this.receiver) { |
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312 args.splice(0, 0, [this.receiver]); |
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313 } |
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314 switch(name) |
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315 { |
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316 case 'if': |
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317 lines.push('if (' + this.args[0].toCLLExpr(vars) + ') {'); |
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318 var blines = this.args[1].toCLines(vars, needsreturn); |
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319 for (var i in blines) { |
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320 lines.push('\t' + blines[i]); |
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321 } |
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322 if (needsreturn) { |
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323 lines.push('} else {'); |
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324 lines.push('\t return module_false;'); |
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325 lines.push('}'); |
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326 } else { |
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327 lines.push('}'); |
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328 } |
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329 break; |
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330 case 'if:else': |
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331 lines.push('if (' + this.args[0].toCLLExpr(vars) + ') {'); |
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332 var blines = this.args[1].toCLines(vars, needsreturn); |
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333 for (var i in blines) { |
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334 lines.push('\t' + blines[i]); |
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335 } |
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336 lines.push('} else {'); |
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337 blines = this.args[2].toCLines(vars, needsreturn); |
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338 for (var i in blines) { |
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339 lines.push('\t' + blines[i]); |
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340 } |
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341 lines.push('}'); |
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342 break; |
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343 case 'while:do': |
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344 if (needsreturn) { |
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345 throw new Error("while:do can't be last statement in llMessage code block"); |
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346 } |
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347 lines.push('while (' + this.args[0].toCLLExpr(vars) + ') {'); |
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348 var blines = this.args[1].toCLines(vars); |
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349 for (var i in blines) { |
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350 lines.push('\t' + blines[i]); |
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351 } |
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352 lines.push('}'); |
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353 break; |
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354 default: |
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355 lines.push( (needsreturn ? 'return (object *)' : '') + this.toCLLExpr(vars) + ';'); |
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356 } |
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357 return lines; |
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358 }; |
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359 |
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360 funcall.prototype.toCLLExpr = function(vars) { |
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361 var name = this.name[this.name.length-1] == ':' ? this.name.substr(0, this.name.length-1) : this.name; |
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362 var args = this.args.slice(0, this.args.length); |
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363 if (this.receiver) { |
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364 if(this.args.length == 0) { |
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365 if (this.receiver instanceof symbol && this.receiver.name in vars && vars[this.receiver.name].substr(-1) != "*") { |
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366 return this.receiver.toCLLExpr(vars) + '.' + this.name; |
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367 } else { |
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368 return this.receiver.toCLLExpr(vars) + '->' + this.name; |
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369 } |
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370 } else if (this.args.length == 1 && name[name.length-1] == '!') { |
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371 if (this.receiver instanceof symbol && this.receiver.name in vars && vars[this.receiver.name].substr(-1) != "*") { |
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372 return this.receiver.toCLLExpr(vars) + '.' + this.name.substr(0, name.length-1) + ' = ' + args[0].toCLLExpr(vars); |
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373 } else { |
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374 return this.receiver.toCLLExpr(vars) + '->' + this.name.substr(0, name.length-1) + ' = ' + args[0].toCLLExpr(vars); |
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375 } |
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376 } else { |
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377 args.splice(0, 0, this.receiver); |
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378 } |
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379 } |
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380 switch(name) |
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381 { |
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382 case 'if': |
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383 return '((' + args[0].toCLLExpr(vars) + ') ? (' + args[1].toCLLExpr(vars) + ') : 0)'; |
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384 case 'if:else': |
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385 return '((' + args[0].toCLLExpr(vars) + ') ? (' + args[1].toCLLExpr(vars) + ') : (' + args[2].toCLLExpr(vars) + '))'; |
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386 case 'while:do': |
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387 throw new Error('while:do not allowed in expression context in llMessage block'); |
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388 case 'addr_of': |
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389 return '&(' + args[0].toCLLExpr(vars) + ')'; |
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390 case 'sizeof': |
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391 return 'sizeof(' + args[0].toCTypeName() + ')'; |
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392 case 'get': |
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393 return args[0].toCLLExpr(vars) + '[' + args[1].toCLLExpr(vars) + ']'; |
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394 case 'set': |
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395 return args[0].toCLLExpr(vars) + '[' + args[1].toCLLExpr(vars) + '] = ' + args[2].toCLLExpr(vars); |
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396 case 'not': |
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397 return '!(' + args[0].toCLLExpr(vars) + ')'; |
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398 case 'castTo': |
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399 return '((' + args[1].toCTypeName() + ')(' + args[0].toCLLExpr(vars) + '))'; |
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400 case 'mcall': |
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401 if (args[0] instanceof symbol) { |
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402 args[0] = new intlit(getMethodId(args[0].name)); |
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403 } |
84
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404 default: |
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405 for (var i in args) { |
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406 args[i] = args[i].toCLLExpr(vars); |
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407 } |
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408 return name + '(' + args.join(', ') + ')'; |
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409 } |
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410 }; |
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411 |
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412 function cObject(name) { |
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413 this.name = name; |
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414 this.slots = {}; |
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415 this.properties = []; |
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416 this.values = []; |
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417 this.slotvars = {}; |
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418 this.includes = {}; |
59 | 419 this.parent = 'NULL'; |
420 this.init = []; | |
421 this.initmsgadded = false; | |
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422 } |
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423 |
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424 cObject.prototype.addInclude = function(includefile) { |
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425 this.includes[includefile] = true; |
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426 } |
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427 |
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428 cObject.prototype.addMessage = function(msgname, implementation) { |
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429 var methodid = getMethodId(msgname); |
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430 var trunc = methodid & 0xF; |
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431 if (!(trunc in this.slots)) { |
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432 this.slots[trunc] = []; |
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433 } |
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434 this.slots[trunc].push([methodid, '\t\t' + implementation.lines.join('\n\t\t') + '\n', msgname]); |
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435 if (!(trunc in this.slotvars)) { |
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436 this.slotvars[trunc] = {}; |
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437 } |
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438 for (var varname in implementation.vars) { |
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439 this.slotvars[trunc][varname] = implementation.vars[varname]; |
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440 } |
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441 } |
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442 |
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443 cObject.prototype.addProperty = function(propname, value, type) { |
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444 if (type != undefined) { |
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445 this.properties.push([propname, type]); |
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446 if (value !== null) { |
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447 this.values.push(value); |
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448 } |
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449 } else { |
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450 var escaped = escapeCName(propname); |
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451 this.addMessage(propname, { |
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452 vars: {}, |
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453 lines: [ |
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454 'return self->' + escaped + ';' |
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455 ]}); |
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456 this.addMessage(propname + '!', { |
59 | 457 vars: {}, |
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458 lines: [ |
59 | 459 'self->' + escaped + ' = va_arg(args, object *);', |
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460 'return (object *)self;' |
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461 ]}); |
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462 this.properties.push(escaped); |
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463 this.values.push(value); |
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464 } |
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465 } |
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466 |
59 | 467 cObject.prototype.addInit = function(statement) { |
468 this.init.push(statement); | |
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469 }; |
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470 |
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471 cObject.prototype.addImport = function(symbols, source) { |
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472 this.imported.push(source); |
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473 var importNum = imported.length - 1; |
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474 if (symbols) { |
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475 each(symbols, function(i, sym) { |
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476 this.addMessage(sym.name, { |
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477 vars: {}, |
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478 lines: [ |
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479 'return self->import_' + importNum + '->meta->meth_lookup[method_id & 0xF](method_id, num_args, self->import_' + importNum + ', args);' |
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480 ] |
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481 }); |
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482 }); |
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483 } else { |
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484 //TODO: handle proxying for unimplemented methods |
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485 } |
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486 }; |
59 | 487 |
488 cObject.prototype.checkInitMsg = function() { | |
489 if (!this.initmsgadded && this.init.length) { | |
490 var init = this.init.slice(0, this.init.length); | |
491 init.push('return (object *)self;'); | |
492 this.addMessage('_init', { | |
493 vars: {}, | |
494 lines: init | |
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495 }); |
59 | 496 this.initmsgadded = true; |
497 } | |
498 } | |
499 | |
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500 cObject.prototype.populateSymbols = function() {}; |
59 | 501 |
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502 cObject.prototype.toEarlyCDef = function() { |
59 | 503 this.checkInitMsg(); |
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504 var includes = ''; |
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505 for (var file in this.includes) { |
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506 includes += '#include ' + file + '\n'; |
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507 } |
54 | 508 var objdef = 'typedef struct ' + this.name + ' {\n\tobject header;\n'; |
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509 for (var i in this.properties) { |
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510 if (this.properties[i] instanceof Array) { |
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511 if (this.properties[i][1] instanceof Array) { |
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512 objdef += '\t' + this.properties[i][1][0] + this.properties[i][0] + this.properties[i][1][1] + ';\n'; |
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513 } else { |
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514 objdef += '\t' + this.properties[i][1] + ' ' + this.properties[i][0] + ';\n'; |
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515 } |
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516 } else { |
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517 objdef += '\tobject * ' + this.properties[i] + ';\n' |
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518 } |
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519 } |
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520 objdef += '} ' + this.name + ';\nobj_meta ' + this.name + '_meta;\n'; |
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521 return includes + objdef; |
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522 } |
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523 |
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524 cObject.prototype.toCDef = function() { |
59 | 525 this.checkInitMsg(); |
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526 var slotdefs = ''; |
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527 var metadef = 'obj_meta ' + this.name + '_meta = {sizeof(' + this.name +'), {'; |
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528 for (var i = 0; i < 16; i++) { |
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529 if (i) { |
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530 metadef += ', '; |
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531 } |
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532 if (i in this.slots) { |
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533 slotdefs += 'object * ' + this.name + '_slot_' + i + '(uint32_t method_id, uint32_t num_params, object * oself, va_list args) {\n\t' + |
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534 this.name + ' *self = (' + this.name + ' *)oself;\n'; |
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535 for (var varname in this.slotvars[i]) { |
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536 if (this.slotvars[i][varname] instanceof Array) { |
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537 slotdefs += '/*foo*/\t' + this.slotvars[i][varname][0] + ' ' + varname + this.slotvars[i][varname][1] + ';\n'; |
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538 } else { |
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539 slotdefs += '/*bar*/\t' + this.slotvars[i][varname] + ' ' + varname + ';\n'; |
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540 } |
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541 } |
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542 if (this.slots[i].length == 1) { |
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543 slotdefs += '\tif (method_id == ' + this.slots[i][0][0] + ') { /* ' + this.slots[i][0][2] + '*/\n' + |
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544 '\t\t' + this.slots[i][0][1] + '\n' + |
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545 '\t}\n' + |
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546 '\treturn no_impl(method_id, num_params, (object *)self, args);\n}\n'; |
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547 } else { |
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548 slotdefs += '\tswitch(method_id) {\n'; |
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549 for (j in this.slots[i]) { |
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550 slotdefs += '\t\tcase ' + this.slots[i][j][0] + ': /* ' + this.slots[i][j][2] + '*/\n' + |
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551 '\t\t\t' + this.slots[i][j][1] + '\n'; |
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552 } |
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553 slotdefs += '\t\tdefault:\n' + |
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554 '\t\t\treturn no_impl(method_id, num_params, (object *)self, args);\n\t}\n}\n'; |
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555 |
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556 } |
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557 metadef += this.name + '_slot_' + i; |
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558 } else { |
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559 metadef += 'no_impl'; |
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560 } |
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561 } |
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562 metadef += '}};\n'; |
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563 return slotdefs + metadef; |
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564 } |
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565 |
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566 cObject.prototype.toCInstance = function() { |
59 | 567 this.checkInitMsg(); |
568 var ret = 'make_object(&' + this.name + '_meta, ' + this.parent + ', ' + this.values.length + (this.values.length ? ', ' : '') + this.values.join(', ') + ')'; | |
569 if (this.initmsgadded) { | |
570 ret = 'mcall(' + getMethodId('_init') + ', 1, ' + ret + ')' | |
571 } | |
572 return ret; | |
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573 } |
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574 |
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575 cObject.prototype.toC = function() { |
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576 forwarddec += this.toEarlyCDef(); |
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577 toplevelcode += this.toCDef(); |
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578 return this.toCInstance(); |
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579 } |
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580 |
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581 var nextobject = 0; |
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582 |
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583 |
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584 object.prototype.toCObject = function() { |
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585 var messages = this.messages; |
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586 if (!this.name) { |
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587 this.name = 'object_' + nextobject++; |
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588 } |
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589 var me = new cObject(this.name); |
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590 this.symbols.typename = me.name; |
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591 if (this.symbols.needsenv) { |
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592 me.addProperty('env', this.symbols.envVar(), 'struct ' + this.symbols.getEnvType() + ' * '); |
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593 me.hasenv = true; |
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594 } |
59 | 595 if (this.symbols.needsparent && !(this.symbols.parent instanceof osymbols)) { |
596 me.parent = '(object *)(' + (new symbol('self', this.symbols.parent)).toC() + ')'; | |
597 } | |
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598 for (var i in messages) { |
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599 if (messages[i] instanceof funcall) { |
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600 if (messages[i].name == 'import:' && messages[i].args.length == 1) { |
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601 me.addImport(false, messages[i].args[0]); |
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602 } else if(messages[i].name == 'import:from:' && messages[i].args.length == 2) { |
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603 var importsyms = []; |
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604 each(messages[i].args[0].val, function(i, el) { |
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605 if (!(el instanceof symbol)) { |
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606 throw new Error('Names in import:from statement must be symbols'); |
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607 } |
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608 importsyms.push(el); |
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609 }); |
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610 me.addImport(importsyms, messages[i].args[1]); |
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611 } else if(messages[i].name == 'llProperty:withType:' && messages[i].args.length == 2) { |
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612 me.addProperty(messages[i].args[0].name, null, messages[i].args[1].toCTypeName()); |
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613 } else if(messages[i].name == 'llMessage:withVars:andCode:' && messages[i].args.length == 3) { |
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614 var msgname = messages[i].args[0].name |
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615 var rawvars = messages[i].args[1].expressions; |
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616 var vars = {}; |
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617 for(var v in rawvars) { |
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618 vars[rawvars[v].symbol.name] = rawvars[v].expression.toCTypeName(); |
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619 } |
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620 me.addMessage(msgname, { |
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621 vars: vars, |
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622 lines: messages[i].args[2].toCLines(vars, true) |
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623 }); |
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624 } else if(messages[i].name == 'includeSystemHeader:' && messages[i].args.length == 1) { |
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625 me.addInclude("<" + messages[i].args[0].val + ">"); |
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626 } else { |
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627 |
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628 throw new Error('Only import and import:from calls allowed in object context. ' + messages[i].name + 'with ' + messages[i].args.length + ' arguments found instead.'); |
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629 } |
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630 } else { |
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631 messages[i].toCObject(me); |
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632 } |
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633 } |
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634 |
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635 return me; |
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636 }; |
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637 |
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638 object.prototype.toC = function() { |
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639 return this.toCObject().toC(); |
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640 }; |
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641 |
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642 var toplevelcode; |
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643 var forwarddec; |
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644 |
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645 function addBinaryOp(cobject, opname, cop, objtype) |
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646 { |
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647 cobject.addMessage(opname, { |
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648 vars: {ret: objtype + ' *', argb: objtype +' *'}, |
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649 lines: [ |
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650 'argb = va_arg(args, ' + objtype + ' *);', |
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651 'ret = (' + objtype + ' *)make_object(&' + objtype + '_meta, NULL, 0);', |
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652 'ret->num = self->num ' + cop + ' argb->num;', |
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653 'return &(ret->header);' |
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654 ] |
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655 }); |
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656 } |
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657 |
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658 function addCompOp(cobject, opname, cop, objtype) |
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659 { |
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660 cobject.addMessage(opname, { |
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661 vars: {argb: objtype + ' *'}, |
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662 lines: [ |
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663 'argb = va_arg(args, ' + objtype + ' *);', |
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664 'if (self->num ' + cop + ' argb->num) {', |
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665 ' return ' + toplevel.moduleVar('true') + ';', |
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666 '}', |
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667 'return ' + toplevel.moduleVar('false') + ';', |
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668 ] |
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669 }); |
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670 } |
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671 |
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672 function makeInt(bits, unsigned) |
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673 { |
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674 var typename = 'obj_' + (unsigned ? 'u' : '') + 'int' + bits; |
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675 var intObj = new cObject(typename); |
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676 intObj.addProperty('num', null, (unsigned ? 'u' : '') + 'int' + bits +'_t'); |
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677 addBinaryOp(intObj, 'ADD_', '+', typename); |
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678 addBinaryOp(intObj, 'SUB_', '-', typename); |
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679 addBinaryOp(intObj, 'MUL_', '*', typename); |
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680 addBinaryOp(intObj, 'DIV_', '/', typename); |
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681 addBinaryOp(intObj, 'MOD_', '%', typename); |
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682 addBinaryOp(intObj, 'or', '|', typename); |
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683 addBinaryOp(intObj, 'xor', '^', typename); |
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684 addBinaryOp(intObj, 'and', '&', typename); |
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685 addBinaryOp(intObj, 'lshift:by', '<<', typename); |
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686 addBinaryOp(intObj, 'rshift:by', '>>', typename); |
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687 addCompOp(intObj, 'LT_', '<', typename); |
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688 addCompOp(intObj, 'GT_', '>', typename); |
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689 addCompOp(intObj, 'EQ_', '==', typename); |
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690 addCompOp(intObj, 'NEQ_', '!=', typename); |
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691 addCompOp(intObj, 'GEQ_', '>=', typename); |
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692 addCompOp(intObj, 'LEQ_', '<=', typename); |
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693 intObj.addInclude('<string.h>'); |
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694 //-9223372036854775808 |
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695 //01234567890123456789 |
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696 intObj.addMessage('string', { |
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697 vars: {str: 'string *'}, |
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698 lines: [ |
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|
699 'str = (string *)make_object(&string_meta, NULL, 0);', |
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700 'str->data = GC_MALLOC(' + (bits == 64 ? 21 : 12) + ');', |
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701 'sprintf(str->data, "%' + (bits == 64 ? 'l' : '') + (unsigned ? 'u' : 'd') + '", self->num);', |
87
25bc8a5ab41e
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84
diff
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702 'str->len = str->bytes = strlen(str->data);', |
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ab6217b8ae4c
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703 'return &(str->header);' |
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704 ] |
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705 }); |
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706 //7FFFFFFFFFFFFFFF |
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707 //01234567890123456789 |
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708 intObj.addMessage('hex', { |
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709 vars: {str: 'string *'}, |
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710 lines: [ |
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711 'str = (string *)make_object(&string_meta, NULL, 0);', |
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|
712 'str->data = GC_MALLOC(' + (bits == 64 ? 17 : 9) + ');', |
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713 'sprintf(str->data, "%' + (bits == 64 ? 'l' : '') +'X", self->num);', |
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714 'str->len = str->bytes = strlen(str->data);', |
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715 'return &(str->header);' |
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716 ] |
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717 }); |
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|
718 intObj.addMessage('isInteger?', { |
121
1a4446f573d3
Add isInteger? method to the int32 type in the C backend
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diff
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719 vars: {}, |
1a4446f573d3
Add isInteger? method to the int32 type in the C backend
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|
720 lines: [ |
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97
diff
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|
721 'return ' + toplevel.moduleVar('true') + ';' |
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97
diff
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|
722 ] |
1a4446f573d3
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|
723 }); |
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724 intObj.addMessage('hash', { |
79
7f635666c73d
Add hash and int32 messages to string. Add hash message to int32. Update compile script
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78
diff
changeset
|
725 vars: {}, |
7f635666c73d
Add hash and int32 messages to string. Add hash message to int32. Update compile script
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78
diff
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|
726 lines: [ |
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diff
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|
727 'return &(self->header);' |
7f635666c73d
Add hash and int32 messages to string. Add hash message to int32. Update compile script
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78
diff
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|
728 ] |
7f635666c73d
Add hash and int32 messages to string. Add hash message to int32. Update compile script
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|
729 }); |
172
8d466c5a7dff
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|
730 intObj.addMessage('signed?', { |
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|
731 vars: {}, |
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|
732 lines: [ |
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|
733 'return ' + toplevel.moduleVar(unsigned ? 'false' : 'true') + ';' |
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|
734 ] |
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735 }); |
155
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diff
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|
736 var sizes = [8, 16, 32, 64]; |
9de2572a34a7
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|
737 var destunsigned = [false, true]; |
9de2572a34a7
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146
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|
738 for (var i = 0; i < sizes.length; i++) { |
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|
739 size = sizes[i]; |
9de2572a34a7
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|
740 for (var j = 0; j < destunsigned.length; j++) { |
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|
741 uns = destunsigned[j]; |
9de2572a34a7
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|
742 if (uns == unsigned && size == bits) { |
9de2572a34a7
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|
743 intObj.addMessage((uns ? 'u' : '') + 'int' + size, { |
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|
744 vars: {}, |
9de2572a34a7
Added some stuff for compiler debugging. Added unsigned integer types. Added integer size conversion methods to integer objects.
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745 lines: [ |
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|
746 'return &(self->header);' |
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|
747 ] |
9de2572a34a7
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748 }); |
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|
749 } else { |
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|
750 var retType = 'obj_' + (uns ? 'u' : '') + 'int' + size; |
161
fc8eecad71e6
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|
751 var retName = 'ret' + (uns ? 'u' : '') + size; |
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Fix variable name collision in integer objects
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|
752 var vars = {}; |
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|
753 vars[retName] = retType + ' *'; |
155
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|
754 intObj.addMessage((uns ? 'u' : '') + 'int' + size, { |
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Added some stuff for compiler debugging. Added unsigned integer types. Added integer size conversion methods to integer objects.
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|
755 |
161
fc8eecad71e6
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|
756 vars: vars, |
155
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|
757 lines: [ |
161
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|
758 retName + ' = ('+retType+' *)make_object(&' + retType +'_meta, NULL, 0);', |
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Fix variable name collision in integer objects
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|
759 retName + '->num = self->num;', |
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Fix variable name collision in integer objects
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|
760 'return &(' + retName + '->header);' |
155
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|
761 ] |
9de2572a34a7
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|
762 }); |
9de2572a34a7
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|
763 } |
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764 } |
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765 } |
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766 |
135
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767 return intObj; |
45
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768 } |
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769 |
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770 function makeArray() |
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771 { |
84
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772 var arrayfile = toplevel.names['array']; |
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773 var ast = parseFile(arrayfile.path + '/' + arrayfile.file); |
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774 ast.name = 'array'; |
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775 ast.populateSymbols(toplevel); |
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776 return ast.toCObject(); |
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777 } |
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778 |
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779 function makeString() |
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780 { |
87
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781 var arrayfile = toplevel.names['string']; |
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782 var ast = parseFile(arrayfile.path + '/' + arrayfile.file); |
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783 ast.name = 'string'; |
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784 ast.populateSymbols(toplevel); |
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785 return ast.toCObject(); |
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786 } |
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787 |
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788 function makelambda() |
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789 { |
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790 var clos = new cObject('lambda'); |
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791 clos.addProperty('env', null, 'void *'); |
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792 clos.addProperty('func', null, 'closure_func'); |
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793 clos.addMessage('while:do', { |
68
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794 vars: {action: 'lambda *', ret: 'object *'}, |
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795 lines: [ |
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796 'action = va_arg(args, lambda *);', |
68
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797 'ret = ' + toplevel.moduleVar('true') + ';', |
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798 'while(' + toplevel.moduleVar('true') + ' == ccall(self, 0)) {', |
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799 ' ccall(action, 0);', |
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800 '}', |
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801 'return ret;' |
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802 ] |
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803 }); |
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804 return clos; |
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805 } |
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806 |
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807 function builtinTypes() |
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808 { |
155
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809 return [makeInt(64, false), makeInt(32, false), makeInt(16, false), makeInt(8, false), |
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810 makeInt(64, true) , makeInt(32, true), makeInt(16, true), makeInt(8, true), |
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811 makeArray(), makeString(), makelambda()]; |
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812 } |
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813 |
48
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814 function addBuiltinModules(toplevel) |
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815 { |
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816 var os = new cObject('mod_obj_os'); |
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817 os.addInclude('<sys/stat.h>'); |
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818 os.addInclude('<fcntl.h>'); |
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819 os.addInclude('<stdlib.h>'); |
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820 os.addInclude('<time.h>'); |
168 | 821 os.addInclude('<unistd.h>'); |
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822 os.addMessage('write', { |
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823 vars: {str: 'string *', intret: 'obj_int32 *', filedes: 'obj_int32 *'}, |
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824 lines: [ |
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825 'filedes = va_arg(args, obj_int32 *);', |
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826 'str = va_arg(args, string *);', |
59 | 827 'intret = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);', |
48
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828 'intret->num = write(filedes->num, str->data, str->bytes);', |
59 | 829 'return &(intret->header);' |
48
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830 ] |
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831 }); |
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832 os.addMessage('read', { |
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833 vars: {str: 'string *', size: 'obj_int32 *', filedes: 'obj_int32 *'}, |
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834 lines: [ |
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835 'filedes = va_arg(args, obj_int32 *);', |
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836 'size = va_arg(args, obj_int32 *);', |
59 | 837 'str = (string *)make_object(&string_meta, NULL, 0);', |
78
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838 'str->data = GC_MALLOC_ATOMIC(size->num + 1);', |
162
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839 'str->len = str->bytes = read(filedes->num, str->data, size->num);', |
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840 'if (str->bytes < 0) { str->bytes = str->len = 0; }', |
58
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841 'str->data[str->bytes] = 0;', |
59 | 842 'return &(str->header);' |
48
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843 ] |
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844 }); |
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845 os.addMessage('open', { |
49
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846 vars: {str: 'string *', flags: 'obj_int32 *', filedes: 'obj_int32 *', perm: 'obj_int32 *'}, |
48
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847 lines: [ |
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848 'str = va_arg(args, string *);', |
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849 'flags = va_arg(args, obj_int32 *);', |
59 | 850 'filedes = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);', |
49
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851 'if (num_params == 3) {', |
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852 ' filedes->num = open(str->data, flags->num);', |
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853 '} else if (num_params == 4) {', |
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854 ' perm = va_arg(args, obj_int32 *);', |
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855 ' filedes->num = open(str->data, flags->num, perm->num);', |
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856 '} else {', |
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857 ' filedes->num = -1;', |
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858 '}', |
59 | 859 'return &(filedes->header);' |
48
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860 ] |
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861 }); |
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862 os.addMessage('close', { |
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863 vars: {filedes: 'obj_int32 *', intret: 'obj_int32 *'}, |
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864 lines: [ |
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865 'filedes = va_arg(args, obj_int32 *);', |
59 | 866 'intret = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);', |
48
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867 'intret->num = close(filedes->num);', |
59 | 868 'return &(intret->header);' |
48
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869 ] |
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870 }); |
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871 os.addMessage('O_RDONLY', { |
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872 vars: {intret: 'obj_int32 *'}, |
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873 lines: [ |
59 | 874 'intret = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);', |
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875 'intret->num = O_RDONLY;', |
59 | 876 'return &(intret->header);' |
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877 ] |
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878 }); |
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879 os.addMessage('O_WRONLY', { |
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880 vars: {intret: 'obj_int32 *'}, |
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881 lines: [ |
59 | 882 'intret = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);', |
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883 'intret->num = O_WRONLY;', |
59 | 884 'return &(intret->header);' |
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885 ] |
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886 }); |
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887 os.addMessage('O_RDWR', { |
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888 vars: {intret: 'obj_int32 *'}, |
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889 lines: [ |
59 | 890 'intret = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);', |
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891 'intret->num = O_RDWR;', |
59 | 892 'return &(intret->header);' |
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893 ] |
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894 }); |
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895 os.addMessage('O_CREAT', { |
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896 vars: {intret: 'obj_int32 *'}, |
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897 lines: [ |
59 | 898 'intret = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);', |
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899 'intret->num = O_CREAT;', |
59 | 900 'return &(intret->header);' |
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901 ] |
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902 }); |
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903 os.addMessage('O_APPEND', { |
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904 vars: {intret: 'obj_int32 *'}, |
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905 lines: [ |
59 | 906 'intret = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);', |
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907 'intret->num = O_APPEND;', |
59 | 908 'return &(intret->header);' |
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909 ] |
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910 }); |
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911 os.addMessage('O_TRUNC', { |
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912 vars: {intret: 'obj_int32 *'}, |
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913 lines: [ |
59 | 914 'intret = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);', |
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915 'intret->num = O_TRUNC;', |
59 | 916 'return &(intret->header);' |
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917 ] |
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918 }); |
162
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919 os.addMessage('rand', { |
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920 vars: {intret: 'obj_int32 *'}, |
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921 lines: [ |
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922 'intret = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);', |
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923 'intret->num = rand();', |
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924 'return &(intret->header);' |
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925 ] |
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926 }); |
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927 os.addMessage('rand64', { |
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928 vars: {intret64: 'obj_int64 *'}, |
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929 lines: [ |
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930 'intret64 = (obj_int64 *)make_object(&obj_int64_meta, NULL, 0);', |
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931 'intret64->num = (((int64_t)rand()) << 32 ) | rand();', |
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932 'return &(intret64->header);' |
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933 ] |
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934 }); |
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935 os.addMessage('srand', { |
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936 vars: {oseed: 'object *', seed: 'obj_int32 *'}, |
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937 lines: [ |
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938 'oseed = va_arg(args, object *);', |
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939 'seed = mcall(' + getMethodId("int32") + ', 1, oseed);', |
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940 'srand(seed->num);', |
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941 'return &(seed->header);' |
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942 ] |
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943 }); |
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944 os.addMessage('time', { |
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945 vars: {intret64: 'obj_int64 *'}, |
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946 lines: [ |
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947 'intret64 = (obj_int64 *)make_object(&obj_int64_meta, NULL, 0);', |
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948 'intret64->num = time(NULL);', |
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949 'return &(intret64->header);' |
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950 ] |
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951 }); |
168 | 952 os.addMessage('sleep', { |
953 vars: {osecs: 'object *', secs: 'obj_int32 *', intret: 'obj_int32 *'}, | |
954 lines: [ | |
955 'osecs = va_arg(args, object *);', | |
956 'secs = mcall(' + getMethodId("int32") + ', 1, osecs);', | |
957 'intret = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);', | |
958 'intret->num = sleep(secs->num);', | |
959 'return &(intret->header);' | |
960 ] | |
961 }); | |
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962 toplevel.names['os'] = os; |
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963 } |
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964 |
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965 modulefile.prototype.toC = function(){ |
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966 return this.ast.toCModuleInstance(); |
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967 }; |
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968 |
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969 function processUsedToplevel(toplevel) |
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970 { |
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971 var alwaysused = ['true', 'false', 'list']; |
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972 var ret = ''; |
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973 var modulenum = 0; |
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974 var visited = {}; |
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975 for (var i in alwaysused) { |
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976 toplevel.used[alwaysused[i]] = true; |
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977 } |
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978 var newused = Object.keys(toplevel.used); |
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979 var allused = newused; |
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980 while (newused.length) { |
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981 for (var i in newused) { |
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982 debugprint('//---module', newused[i], '--- populate symbols'); |
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983 forwarddec += 'object * ' + toplevel.moduleVar(newused[i]) + ';\n'; |
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984 toplevel.names[newused[i]].populateSymbols(toplevel); |
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985 visited[newused[i]] = true; |
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986 } |
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987 newused = []; |
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988 for (var symbol in toplevel.used) { |
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989 if (!(symbol in visited)) { |
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990 debugprint('//found new usage of module', symbol); |
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991 newused.push(symbol); |
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992 allused.push(symbol); |
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993 } |
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994 } |
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995 } |
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996 |
68
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997 for (var i = allused.length-1; i >= 0; i--) { |
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998 var symbol = allused[i]; |
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999 debugprint('//---module', symbol, '(' + i +')--- compile'); |
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1000 assignNames.push(symbol); |
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1001 ret += '\t' + toplevel.moduleVar(symbol) + ' = ' + toplevel.names[symbol].toC() + ';\n'; |
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1002 assignNames.pop(); |
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1003 } |
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1004 return ret; |
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1005 } |
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1006 |
45
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1007 function makeCProg(obj) |
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1008 { |
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1009 forwarddec = toplevelcode = ''; |
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1010 assignNames = []; |
45
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|
1011 var builtins = builtinTypes(); |
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|
1012 for (var i in builtins) { |
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|
1013 forwarddec += builtins[i].toEarlyCDef(); |
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1014 toplevelcode += builtins[i].toCDef(); |
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1015 } |
48
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1016 addBuiltinModules(toplevel); |
54 | 1017 debugprint('//------POPULATING SYMBOLS-----'); |
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1018 obj.populateSymbols(toplevel); |
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1019 var moduleinit = processUsedToplevel(toplevel); |
54 | 1020 debugprint('//------COMPILING AST-----'); |
60
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1021 var rest = 'object * mainModule() {\n' + moduleinit + '\tmain_module = ' + obj.toCModuleInstance() + ';\n\treturn main_module;\n}\n'; |
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1022 var mnames = 'char * methodNames[] = {\n'; |
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1023 for (var i = 0; i < methodNames.length; i++) { |
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1024 mnames += '\t"' + methodNames[i].replace(/\\/g, "\\\\").replace(/"/g, '\\"').replace(/\n/g, "\\n") + '",\n'; |
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1025 } |
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1026 mnames += '};\n'; |
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1027 return '#include "runtime/proghead.inc"\n' + |
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1028 '#define METHOD_ID_MAIN ' + getMethodId('main') + '\n' + |
170
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1029 '#define METHOD_ID_EMPTY ' + getMethodId('empty') + '\n' + |
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1030 '#define METHOD_ID_CONS ' + getMethodId(getOpMethodName('|')) + '\n' + |
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1031 mnames + forwarddec + toplevelcode + rest + '#include "runtime/progfoot.inc"\n'; |
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1032 } |
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|
1033 |
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|
1034 object.prototype.toCModule = function() { |
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|
1035 return makeCProg(this); |
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|
1036 } |
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|
1037 |
60
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|
1038 object.prototype.toCModuleInstance = function() { |
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|
1039 return this.toC(); |
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1040 } |
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|
1041 |
31
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1042 lambda.prototype.toC = function() { |
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1043 var args = this.args ? this.args.slice(0, this.args.length) : []; |
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1044 var exprs = this.expressions; |
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1045 var assignPath = assignNames.join('<-'); |
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1046 debugprint('//', this.name, assignPath); |
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1047 var addedTypeDef = false; |
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1048 if (Object.keys(this.symbols.closedover).length) { |
96
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Optimize self method calls into static function calls
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95
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1049 this.symbols.envtype = this.name + '_env'; |
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Optimize self method calls into static function calls
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1050 forwarddec += 'typedef struct ' + this.symbols.envtype + ' ' + this.symbols.envtype + ';\n' |
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1051 var addedTypeDef = true; |
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|
1052 } |
31
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|
1053 if (this.selftype) { |
34
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|
1054 this.symbols.defineVar('self', this.selftype); |
31
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|
1055 if (args[0] && args[0].cleanName() == 'self') { |
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|
1056 args.splice(0, 1); |
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|
1057 } |
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|
1058 var offset = 1; |
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|
1059 } else { |
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|
1060 var offset = 0; |
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|
1061 } |
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|
1062 for (var i = 0; i < args.length; ++i) { |
34
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1063 var argname = args[i].toC(); |
251
2557ce4e671f
Fix a couple of compiler bugs. topenv was getting initialized in multiple places. This resulted in multiple copies of modules getting created which caused problems for macro expansion. Additionally, arguments were not being marked as declared during code generation so assigning to an argument that was not closed over generated invalid C code.
Michael Pavone <pavone@retrodev.com>
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241
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|
1064 this.symbols.declareVar(args[i].cleanName()); |
35
bf5e88f6419d
Use a function/method call strategy that actually works
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diff
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1065 args[i] = (argname.indexOf('->') < 0 ? '\tobject * ' : '\t') + argname + ' = va_arg(args, object *);\n'; |
31
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|
1066 } |
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|
1067 var compiled = [] |
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|
1068 for (var i in exprs) { |
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|
1069 var js = exprs[i].toC(); |
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|
1070 if (js) { |
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|
1071 compiled.push(indent(js)); |
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|
1072 } |
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|
1073 } |
172
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171
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|
1074 if (compiled.length) { |
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|
1075 if (exprs[exprs.length - 1] instanceof assignment) { |
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|
1076 compiled.push('return ' + exprs[exprs.length - 1].symbol.toC() + ';'); |
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1077 } else { |
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1078 compiled[compiled.length-1] = 'return (object *)(' + compiled[compiled.length-1] + ');'; |
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1079 } |
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1080 } |
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1081 exprs = compiled; |
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1082 |
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1083 if (Object.keys(this.symbols.closedover).length) { |
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|
1084 if (!addedTypeDef) { |
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1085 for (var key in this.symbols.closedover) { |
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1086 print(key, ": ", this.symbols.closedover[key]); |
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1087 } |
156
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1088 throw new Error('this.symbols.closedover is not empty, but it was when compilation of ' + this.name + ' "' + assignPath + '" started'); |
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1089 } |
96
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1090 forwarddec += 'struct ' + this.name + '_env {\n'; |
57
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1091 if (this.symbols.needsParentEnv) { |
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|
1092 forwarddec += '\tstruct ' + this.symbols.parentEnvType() + ' * parent;\n'; |
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|
1093 } |
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1094 for (var varname in this.symbols.closedover) { |
54 | 1095 if (varname == 'self' && this.selftype) { |
1096 forwarddec += '\tstruct ' + this.selftype + ' * self;\n'; | |
1097 } else { | |
1098 forwarddec += '\tobject * ' + escapeCName(varname) + ';\n'; | |
1099 } | |
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1100 } |
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1101 forwarddec += '};\n' |
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1102 |
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1103 var myenvinit = '\t' + this.name + '_env * myenv = GC_MALLOC(sizeof(' + this.name + '_env));\n'; |
58
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1104 if (this.symbols.needsParentEnv) { |
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|
1105 myenvinit += '\tmyenv->parent = env;\n'; |
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1106 } |
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1107 this.symbols.envtype = this.name + '_env'; |
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1108 } else { |
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1109 var myenvinit = ''; |
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1110 } |
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1111 forwarddec += 'object *' + this.name + ' (' + this.symbols.parentEnvType() + ' * env, uint32_t num_args, ...);\n'; |
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1112 |
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1113 toplevelcode += '//' + assignPath + "\n"; |
96
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1114 toplevelcode += 'object * ' + this.name + ' ( ' + this.symbols.parentEnvType() + ' * env, uint32_t num_args, ...) {\n\tva_list args;\n' + myenvinit + '\tva_start(args, num_args);\n'; |
31
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1115 if (this.selftype) { |
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1116 var selfvar = (new symbol('self', this.symbols)).toC(); |
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1117 if (selfvar == 'self') { |
35
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|
1118 toplevelcode += '\t' + this.selftype + ' * self = va_arg(args, ' + this.selftype + ' *);\n'; |
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1119 } else { |
35
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1120 toplevelcode += '\t' + selfvar + ' = va_arg(args, ' + this.selftype + ' *);\n'; |
34
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1121 } |
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1122 |
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1123 } |
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1124 toplevelcode += args.join('') + '\tva_end(args);\n' + exprs.join(';\n\t') + '\n}\n'; |
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1125 |
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1126 if (this.selftype) { |
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1127 return this.name; |
42
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1128 } else { |
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1129 if (this.symbols.parentEnvType() != 'void') { |
55
93ddb4ad6fcb
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diff
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|
1130 if (this.symbols.parent.passthruenv) { |
42
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1131 var envvar = 'env'; |
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1132 } else { |
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1133 var envvar = 'myenv'; |
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1134 } |
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1135 debugprint('//' + this.name, 'has envvar:', envvar, 'num vars closed over:', Object.keys(this.symbols.closedover).length); |
60
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1136 return 'make_lambda(' + envvar + ', (closure_func)' + this.name + ')'; |
121
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1137 } else { |
143
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1138 toplevelcode += 'lambda ' + this.name + '_obj = {{&lambda_meta, NULL}, NULL, ' + this.name + '};\n'; |
96
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1139 return '((object *)&' + this.name + '_obj)'; |
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1140 } |
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1141 } |
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1142 }; |
60
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|
1143 lambda.prototype.toCModuleInstance = function() { |
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1144 this.toC(); |
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1145 return this.name + '(NULL, 0)'; |
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1146 }; |
31
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1147 lambda.prototype.toCObject = function(typename) { |
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|
1148 this.selftype = typename; |
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1149 return this.toC(); |
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1150 }; |
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|
1151 lambda.prototype.toCModule = function() { |
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1152 return makeCProg(this); |
84
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1153 }; |
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1154 lambda.prototype.toCLines = function(vars, needsreturn) { |
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1155 var lines = []; |
9811040704ac
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1156 for (var i in this.args) { |
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1157 var name = this.args[i].name; |
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1158 if (name[0] == ':') { |
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1159 name = name.substr(1); |
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1160 } |
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|
1161 if(name != 'self') { |
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|
1162 lines.push(name + ' = va_arg(args, ' + vars[name] + ');'); |
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1163 } |
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1164 } |
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|
1165 for (var i in this.expressions) { |
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|
1166 var exprlines = this.expressions[i].toCLines(vars, needsreturn && i == this.expressions.length - 1); |
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|
1167 for (var j in exprlines) { |
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1168 lines.push('\t' + exprlines[j]); |
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1169 } |
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1170 } |
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1171 return lines; |
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1172 } |
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1173 lambda.prototype.toCLLExpr = function(vars) { |
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1174 if (this.expressions.length != 1) { |
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1175 throw new Error('lambda in expression context must have a single statement in llMessage block'); |
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1176 } |
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1177 return this.expressions[0].toCLLExpr(vars); |
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1178 } |
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1179 |
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1180 assignment.prototype.toC = function() { |
54 | 1181 debugprint('//assignment', this.symbol.name); |
31
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1182 var existing = this.symbols.find(this.symbol.name); |
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1183 var prefix = ''; |
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1184 assignNames.push(this.symbol.name); |
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1185 var val = this.expression.toC(); |
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1186 assignNames.pop(this.symbol.name); |
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1187 if (val === null) { |
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1188 return null; |
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1189 } |
38 | 1190 if (existing.type == 'local' && !existing.isdeclared) { |
1191 prefix = 'object *'; | |
1192 this.symbols.declareVar(this.symbol.name); | |
54 | 1193 debugprint('//declared var', this.symbol.name); |
38 | 1194 } |
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1195 return prefix + this.symbol.toC() + ' = ' + val; |
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1196 }; |
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1197 assignment.prototype.toCObject = function(cobj) { |
54 | 1198 debugprint('//message definition', this.symbol.name); |
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1199 assignNames.push('#' + this.symbol.name); |
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1200 if (this.expression.toCObject) { |
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1201 var val = this.expression.toCObject(cobj.name); |
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1202 } else { |
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1203 var val = this.expression.toC(); |
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1204 } |
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1205 assignNames.pop(); |
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1206 if (val === null) { |
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1207 return; |
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1208 } |
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1209 if (this.expression instanceof lambda) { |
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1210 var params = ['((object *)self)']; |
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1211 var paramget = ''; |
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1212 var messagevars = {}; |
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1213 for (var i in this.expression.args) { |
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1214 var escaped = escapeCName(this.expression.args[i].cleanName()); |
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1215 if (escaped != 'self') { |
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1216 messagevars[escaped] = 'object *'; |
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1217 params.push(escaped); |
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1218 paramget += escaped + ' = va_arg(args, object *); '; |
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1219 } |
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1220 } |
122
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1221 cobj.addMessage(getOpMethodName(this.symbol.name), { |
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1222 vars: messagevars, |
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1223 lines: [paramget + 'return ' + val + '(' + (cobj.hasenv ? 'self->env' : 'NULL') + ', ' + params.length + (params.length ? ', ' : '') + params.join(', ') + ');'] |
37
a6bf4869fcbe
Small refactor of built-in int32 type and added support for more operators on said type
Mike Pavone <pavone@retrodev.com>
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1224 }); |
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668f533e5284
Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
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1225 } else { |
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1226 cobj.addProperty(this.symbol.name, val); |
59 | 1227 if (this.expression instanceof object && this.expression.symbols.needsparent) { |
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ab6f24d6945d
Fix determination of whether a method call has an implicit self argument or not. Cleanup C warnings in output.
Mike Pavone <pavone@retrodev.com>
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1228 cobj.addInit('self->' + escapeCName(this.symbol.name) + '->parent = (object *)self;'); |
59 | 1229 } |
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1230 } |
668f533e5284
Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
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1231 }; |
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9811040704ac
Add support for llMessage:withVars:andCode and llProperty:withType for specifying low level code without having to stick C inside the compiler. Redo array built-in type to use this feature.
Mike Pavone <pavone@retrodev.com>
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1232 assignment.prototype.toCLines = function(vars, needsreturn) { |
9811040704ac
Add support for llMessage:withVars:andCode and llProperty:withType for specifying low level code without having to stick C inside the compiler. Redo array built-in type to use this feature.
Mike Pavone <pavone@retrodev.com>
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1233 return [(needsreturn ? 'return ' : '') + this.symbol.toCLLExpr(vars) + ' = ' + this.expression.toCLLExpr(vars) + ';'] |
9811040704ac
Add support for llMessage:withVars:andCode and llProperty:withType for specifying low level code without having to stick C inside the compiler. Redo array built-in type to use this feature.
Mike Pavone <pavone@retrodev.com>
parents:
79
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1234 }; |