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annotate cbackend.js @ 48:18ab96287c3a

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Add builtin module os containing some baisc POSIX file IO
author Mike Pavone <pavone@retrodev.com>
date Fri, 13 Jul 2012 10:46:27 -0700
parents 2a9c6eed0c70
children f2cda2e6f70e
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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 nextmethodId = 0;
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5 var methodIds = {};
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6 function getMethodId(methodName)
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7 {
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8 if (!(methodName in methodIds)) {
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9 methodIds[methodName] = nextmethodId++;
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10
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11 }
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12 return methodIds[methodName];
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13 }
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14
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15 function importSym(obj, src, key)
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16 {
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17 if(!(key in src)) {
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18 throw new Error(key +' not found in source object for import');
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19 }
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20 if(key in obj) {
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21 throw new Error(key +' already exists in target object for import')
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22 }
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23 obj[key] = src[key];
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24 }
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25
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26 function doImport(obj, src, symlist)
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27 {
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28 if (symlist === undefined) {
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29 each(src, function(key,val) {
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30 if (key != 'parent') {
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31 importSym(obj, src, key);
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32 }
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33 });
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34 } else {
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35 for (var i = 0; i < symlist.length; ++i) {
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36 importSym(obj, src, symlist[i]);
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37 }
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38 }
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39 return obj;
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40 }
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41
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42 op.prototype.toC = function(isReceiver) {
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43 var optoMeth = {'+': 'ADD_', '-': 'SUB_', '*': 'MUL_', '/': 'DIV_', '=': 'EQ_', '!=': 'NEQ_', '<': 'LT_', '>': 'GT_', '>=': 'GEQ_', '<=': 'LEQ_', '.': 'CAT_'};
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44 var method = optoMeth[this.op];
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45 return 'mcall(' + getMethodId(method) + ', 2, ' + this.left.toC() + ', ' + this.right.toC() + ')\n';
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46 };
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47
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48 function escapeCName(name)
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49 {
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50 if (name == 'self') {
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51 return name;
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52 }
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53 name = name.replace("_", "UN_").replace(":", "CN_").replace("!", "EX_").replace('?', 'QS_').replace('@', 'AT_');
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54 name = 'tp_' + name;
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55 return name;
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56 }
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57
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58 function getSymbolPrefix(info)
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59 {
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60 var pre = '';
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61 switch(info.type) {
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62 case 'self':
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63 pre = 'self->';
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64 break;
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65 case 'parent':
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66 pre = 'self->';
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67 for (var i = 0; i < info.depth; ++i) {
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68 pre += 'parent->';
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69 }
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70 break;
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71 case 'upvar':
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72 pre = 'env->';
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73 for (var i = 1; i < info.depth; ++i) {
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74 pre += 'parent->';
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75 }
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76 break;
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77 case 'recupvar':
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78 if (info.subtype == 'object') {
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79 pre = 'self->env->';
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80 } else {
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81 //TODO: fill this case in if necessary
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82 }
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83 pre += getSymbolPrefix(info.parent);
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84 case 'closedover':
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85 pre = 'myenv->';
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86 }
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87 return pre;
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88 }
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89
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90 symbol.prototype.toC = function() {
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91 var name = this.cleanName();
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92 var info = this.symbols.find(name);
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93 if (!info) {
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94 throw new Error('symbol ' + name + ' not found');
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95 }
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96 if (info.type == 'toplevel') {
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97 return info.def.modulevar;
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98 }
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99 return getSymbolPrefix(info) + escapeCName(name);
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100 }
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101
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102 var declaredInts = {};
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103
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104 intlit.prototype.toC = function() {
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105 var str = this.val.toString();
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106 if (!(this.val in declaredInts)) {
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107 toplevelcode += 'obj_int32 int32_' + str + ' = {{&obj_int32_meta, NULL}, ' + str + '};\n';
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108 declaredInts[this.val] = true;
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109 }
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110 return '((object *)&int32_' + str + ')';
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111 }
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112
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113 floatlit.prototype.toC = function() {
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114 return 'make_float(' + this.val.toString() + ')';
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115 }
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116
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117 var declaredStrings = {};
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118 var nextStringId = 0;
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119
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120 strlit.prototype.toC = function() {
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121 if (!(this.val in declaredStrings)) {
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122 //TODO: get the proper byte length
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123 toplevelcode += 'string str_' + nextStringId + ' = {{&string_meta, NULL}, ' + this.val.length + ', ' + this.val.length + ', "' + this.val.replace('\\', '\\\\').replace('"', '\\"').replace('\n', '\\n').replace('\r', '\\r') + '"};\n';
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124 declaredStrings[this.val] = nextStringId++;
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125 }
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126 return '((object *)&str_' + declaredStrings[this.val] + ')';
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127 }
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128
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129 listlit.prototype.toC = function() {
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130 var ret = 'make_list(' + this.val.length;
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131 for (var i = 0; i < this.val.length; i++) {
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132 ret += ', ' + this.val[i].toC();
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133 }
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134 return ret + ')';
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135 }
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136
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137 arraylit.prototype.toC = function() {
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138 var ret = 'make_array(' + this.val.length;
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139 for (var i = 0; i < this.val.length; i++) {
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140 ret += ', ' + this.val[i].toC();
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141 }
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142 return ret + ')';
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143 }
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144
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145 funcall.prototype.toC = function() {
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146 var name = this.name[this.name.length-1] == ':' ? this.name.substr(0, this.name.length-1) : this.name;
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147 if (name == 'foreign') {
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148 if ((this.args[0] instanceof lambda) || (this.args[0] instanceof object)) {
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149 return null;
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150 } else if(this.args[0] instanceof symbol) {
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151 return this.args[0].name;
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152 } else {
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153 throw new Error("Unexpected AST type for foreign:");
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154 }
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155 }
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156 var args = this.args.slice(0, this.args.length);
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157 if (this.receiver) {
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158 args.splice(0, 0, this.receiver);
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159 }
42
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160 var method = false;
31
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161 var funinfo = this.symbols.find(name);
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162 if (!funinfo || funinfo.def instanceof setter) {
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163 method = true;
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164 } else {
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165 switch(funinfo.type)
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166 {
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167 case 'self':
42
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168
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169 if (args.length < funinfo.def.args.length || !funinfo.def.args.length || funinfo.def.args[0].name != 'self') {
31
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170 args.splice(0, 0, new symbol('self', this.symbols));
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171 } else {
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172 args.splice(0, 1);
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173 }
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174 method = true;
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175 break;
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176 case 'parent':
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177 ret = 'self';
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178 for (var i = 0; i < funinfo.depth; ++i) {
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179 ret += '->parent';
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180 }
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181 break;
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182 }
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183 }
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184 for (var i in args) {
35
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185 args[i] = ', ' + args[i].toC();
31
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186 }
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187 var callpart;
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188 if (method) {
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189 callpart = 'mcall(' + getMethodId(name);
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190 } else {
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191 callpart = 'ccall(' + escapeCName(name);
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192 }
35
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193 return callpart + ', ' + args.length + args.join('') + ')';
31
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194 }
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195
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196 function cObject(name) {
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197 this.name = name;
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198 this.slots = {};
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199 this.properties = [];
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200 this.values = [];
35
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diff changeset
201 this.slotvars = {};
48
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202 this.includes = {};
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203 }
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204
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diff changeset
205 cObject.prototype.addInclude = function(includefile) {
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206 this.includes[includefile] = true;
31
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207 }
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208
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209 cObject.prototype.addMessage = function(msgname, implementation) {
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210 var methodid = getMethodId(msgname);
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211 var trunc = methodid & 0xF;
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212 if (!(trunc in this.slots)) {
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213 this.slots[trunc] = [];
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214 }
37
a6bf4869fcbe Small refactor of built-in int32 type and added support for more operators on said type
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215 this.slots[trunc].push([methodid, '\t\t' + implementation.lines.join('\n\t\t') + '\n', msgname]);
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216 if (!(trunc in this.slotvars)) {
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217 this.slotvars[trunc] = {};
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218 }
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219 for (var varname in implementation.vars) {
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220 this.slotvars[trunc][varname] = implementation.vars[varname];
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221 }
31
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222 }
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223
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224 cObject.prototype.addProperty = function(propname, value, type) {
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225 if (type != undefined) {
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226 this.properties.push([propname, type]);
42
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227 if (value !== null) {
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228 this.values.push(value);
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229 }
31
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230 } else {
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231 var escaped = escapeCName(propname);
37
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diff changeset
232 this.addMessage(propname, {
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diff changeset
233 vars: {},
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diff changeset
234 lines: [
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diff changeset
235 'va_end(args);',
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diff changeset
236 'return self->' + escaped + ';'
a6bf4869fcbe Small refactor of built-in int32 type and added support for more operators on said type
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diff changeset
237 ]});
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238 this.addMessage(propname + '!', {
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diff changeset
239 vars: {setval: 'object *'},
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diff changeset
240 lines: [
a6bf4869fcbe Small refactor of built-in int32 type and added support for more operators on said type
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diff changeset
241 'setval = va_arg(args, object *);',
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diff changeset
242 'va_end(args);',
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diff changeset
243 'self->' + escaped + ' = setval;',
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diff changeset
244 'return (object *)self;'
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diff changeset
245 ]});
31
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246 this.properties.push(escaped);
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247 this.values.push(value);
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248 }
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249 }
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250
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diff changeset
251 cObject.prototype.toEarlyCDef = function() {
48
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diff changeset
252 var includes = '';
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253 for (var file in this.includes) {
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diff changeset
254 includes += '#include ' + file + '\n';
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diff changeset
255 }
31
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diff changeset
256 var objdef = 'typedef struct {\n\tobject header;\n';
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diff changeset
257 for (var i in this.properties) {
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258 if (this.properties[i] instanceof Array) {
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259 objdef += '\t' + this.properties[i][1] + ' ' + this.properties[i][0] + ';\n';
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260 } else {
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261 objdef += '\tobject * ' + this.properties[i] + ';\n'
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262 }
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diff changeset
263 }
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diff changeset
264 objdef += '} ' + this.name + ';\nobj_meta ' + this.name + '_meta;\n';
48
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diff changeset
265 return includes + objdef;
31
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diff changeset
266 }
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267
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diff changeset
268 cObject.prototype.toCDef = function() {
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269 var slotdefs = '';
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270 var metadef = 'obj_meta ' + this.name + '_meta = {sizeof(' + this.name +'), {';
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diff changeset
271 for (var i = 0; i < 16; i++) {
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272 if (i) {
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273 metadef += ', ';
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274 }
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diff changeset
275 if (i in this.slots) {
35
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diff changeset
276 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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diff changeset
277 this.name + ' *self = (' + this.name + ' *)oself;\n';
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diff changeset
278 for (var varname in this.slotvars[i]) {
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diff changeset
279 slotdefs += '\t' + this.slotvars[i][varname] + ' ' + varname + ';\n';
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diff changeset
280 }
31
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diff changeset
281 if (this.slots[i].length == 1) {
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diff changeset
282 slotdefs += '\tif (method_id == ' + this.slots[i][0][0] + ') { /* ' + this.slots[i][0][2] + '*/\n' +
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283 '\t\t' + this.slots[i][0][1] + '\n' +
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diff changeset
284 '\t}\n' +
35
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diff changeset
285 '\treturn no_impl(method_id, num_params, (object *)self, args);\n}\n';
31
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diff changeset
286 } else {
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diff changeset
287 slotdefs += '\tswitch(method_id) {\n';
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diff changeset
288 for (j in this.slots[i]) {
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diff changeset
289 slotdefs += '\t\tcase ' + this.slots[i][j][0] + ': /* ' + this.slots[i][j][2] + '*/\n' +
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290 '\t\t\t' + this.slots[i][j][1] + '\n';
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diff changeset
291 }
35
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diff changeset
292 slotdefs += '\t\tdefault:\n' +
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diff changeset
293 '\treturn no_impl(method_id, num_params, params, args);\n}\n';
31
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294 }
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diff changeset
295 metadef += this.name + '_slot_' + i;
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diff changeset
296 } else {
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diff changeset
297 metadef += 'no_impl';
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298 }
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299 }
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300 metadef += '}};\n';
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301 return slotdefs + metadef;
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302 }
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303
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304 cObject.prototype.toCInstance = function() {
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305 return 'make_object(&' + this.name + '_meta, NULL, ' + this.values.length + (this.values.length ? ', ' : '') + this.values.join(', ') + ')';
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306 }
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307
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308 cObject.prototype.toC = function() {
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309 forwarddec += this.toEarlyCDef();
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310 toplevelcode += this.toCDef();
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311 return this.toCInstance();
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312 }
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313
31
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314 var nextobject = 0;
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315
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316 object.prototype.toC = function() {
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317 var messages = this.messages;
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318 var values = [];
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319 var imports = []
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320 var me = new cObject('object_' + nextobject++);
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321 if (this.symbols.needsenv) {
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322 me.addProperty('env', this.symbols.envVar(), 'struct ' + this.symbols.getEnvType() + ' * ');
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323 me.hasenv = true;
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324 }
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325 for (var i in messages) {
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326 if (messages[i] instanceof funcall) {
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327 if (messages[i].name == 'import:' && messages[i].args.length == 1) {
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328 imports.push({symbols: false, src: messages[i].args[0]});
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329 } else if(messages[i].name == 'import:from:' && messages[i].args.length == 2) {
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330 var importsyms = [];
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331 each(messages[i].args[0].val, function(i, el) {
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332 if (!(el instanceof symbol)) {
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333 throw new Error('Names in import:from statement must be symbols');
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334 }
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335 importsyms.push(new strlit(el.name));
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336 });
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337 imports.push({symbols: new listlit(importsyms), src: messages[i].args[1]});
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338 } else {
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339 throw new Error('Only import and import:from calls allowed in object context');
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340 }
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341 } else {
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342 messages[i].toCObject(me);
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343 }
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344 }
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345
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346 return me.toC();
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347 }
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348
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349 var toplevelcode;
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350 var forwarddec;
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351
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352 function addBinaryOp(cobject, opname, cop, objtype)
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353 {
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354 cobject.addMessage(opname, {
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355 vars: {ret: objtype + ' *', argb: objtype +' *'},
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356 lines: [
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357 'argb = va_arg(args, ' + objtype + ' *);',
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358 'ret = (' + objtype + ' *)make_object(&' + objtype + '_meta, NULL, 0);',
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359 'ret->num = self->num ' + cop + ' argb->num;',
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360 'return ret;'
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361 ]
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362 });
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363 }
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364
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365 function addCompOp(cobject, opname, cop, objtype)
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366 {
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367 cobject.addMessage(opname, {
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368 vars: {argb: objtype + ' *'},
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369 lines: [
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370 'argb = va_arg(args, ' + objtype + ' *);',
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371 'if (self->num ' + cop + ' argb->num) {',
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372 ' return mcall(METHOD_ID_TRUE, 1, main_module);',
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373 '}',
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374 'return mcall(METHOD_ID_FALSE, 1, main_module);'
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375 ]
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376 });
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377 }
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378
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379 function makeInt32()
31
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380 {
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381 var int32 = new cObject('obj_int32');
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382 int32.addProperty('num', null, 'int32_t');
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383 addBinaryOp(int32, 'ADD_', '+', 'obj_int32');
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384 addBinaryOp(int32, 'SUB_', '-', 'obj_int32');
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385 addBinaryOp(int32, 'MUL_', '*', 'obj_int32');
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386 addBinaryOp(int32, 'DIV_', '/', 'obj_int32');
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387 addCompOp(int32, 'LT_', '<', 'obj_int32');
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388 addCompOp(int32, 'GT_', '>', 'obj_int32');
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389 addCompOp(int32, 'EQ_', '==', 'obj_int32');
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390 addCompOp(int32, 'NEQ_', '!=', 'obj_int32');
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391 addCompOp(int32, 'GEQ_', '>=', 'obj_int32');
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392 addCompOp(int32, 'LEQ_', '<=', 'obj_int32');
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393 int32.addMessage('string', {
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394 vars: {str: 'string *'},
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395 lines: [
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396 'str = (string *)make_object(&string_meta, NULL, 0);',
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397 'str->data = malloc(12);',
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398 'sprintf(str->data, "%d", self->num);',
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399 'str->length = str->bytes = strlen(str->data);',
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400 'return (object *)str;'
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401 ]
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402 });
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403 return int32;
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404 }
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405
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406 function makeArray()
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407 {
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408 var array = new cObject('array');
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409 array.addProperty('size', null, 'uint32_t');
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410 array.addProperty('storage', null, 'uint32_t');
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411 array.addProperty('data', null, 'object **');
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412 array.addMessage('get', {
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413 vars: {index: 'obj_int32 *'},
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414 lines: [
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415 'index = va_arg(args, obj_int32 *);',
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416 'if (index->num >= 0 && index->num < self->size) {',
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417 ' return self->data[index->num];',
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418 '}',
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419 'return mcall(METHOD_ID_FALSE, 1, main_module);'
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420 ]
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421 });
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422 array.addMessage('set', {
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423 vars: {index: 'obj_int32 *'},
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424 lines: [
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425 'index = va_arg(args, obj_int32 *);',
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diff changeset
426 'if (index->num >= 0 && index->num < self->size) {',
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diff changeset
427 ' self->data[index->num] = va_arg(args, object *);',
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diff changeset
428 '}',
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diff changeset
429 'return (object *)self;'
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430 ]
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diff changeset
431 });
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diff changeset
432 array.addMessage('foreach', {
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433 vars: {index: 'obj_int32 *', i: 'int32_t', clos: 'lambda *'},
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434 lines: [
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435 'clos = va_arg(args, lambda *);',
39
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diff changeset
436 'for (i = 0; i < self->size; i++) {',
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parents: 38
diff changeset
437 ' index = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);',
a997e42b9051 Add foreach method to array and add fib sample that can work in C environment and array example
Mike Pavone <pavone@retrodev.com>
parents: 38
diff changeset
438 ' index->num = i;',
a997e42b9051 Add foreach method to array and add fib sample that can work in C environment and array example
Mike Pavone <pavone@retrodev.com>
parents: 38
diff changeset
439 ' ccall(clos, 2, index, self->data[i]);',
a997e42b9051 Add foreach method to array and add fib sample that can work in C environment and array example
Mike Pavone <pavone@retrodev.com>
parents: 38
diff changeset
440 '}',
a997e42b9051 Add foreach method to array and add fib sample that can work in C environment and array example
Mike Pavone <pavone@retrodev.com>
parents: 38
diff changeset
441 'return (object *)self;'
a997e42b9051 Add foreach method to array and add fib sample that can work in C environment and array example
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parents: 38
diff changeset
442 ]
a997e42b9051 Add foreach method to array and add fib sample that can work in C environment and array example
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diff changeset
443 });
40
927fd7911a01 Add append message to array
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diff changeset
444 array.addMessage('append', {
927fd7911a01 Add append message to array
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parents: 39
diff changeset
445 vars: {tmp: 'object *'},
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parents: 39
diff changeset
446 lines: [
927fd7911a01 Add append message to array
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parents: 39
diff changeset
447 'if (self->storage == self->size) {',
927fd7911a01 Add append message to array
Mike Pavone <pavone@retrodev.com>
parents: 39
diff changeset
448 ' self->storage *= 2;',
927fd7911a01 Add append message to array
Mike Pavone <pavone@retrodev.com>
parents: 39
diff changeset
449 ' tmp = realloc(self->data, self->storage);',
927fd7911a01 Add append message to array
Mike Pavone <pavone@retrodev.com>
parents: 39
diff changeset
450 ' if (!tmp) {',
927fd7911a01 Add append message to array
Mike Pavone <pavone@retrodev.com>
parents: 39
diff changeset
451 ' fputs("Failed to increase array size\\n", stderr);',
927fd7911a01 Add append message to array
Mike Pavone <pavone@retrodev.com>
parents: 39
diff changeset
452 ' exit(1);',
927fd7911a01 Add append message to array
Mike Pavone <pavone@retrodev.com>
parents: 39
diff changeset
453 ' }',
927fd7911a01 Add append message to array
Mike Pavone <pavone@retrodev.com>
parents: 39
diff changeset
454 ' self->data = tmp;',
927fd7911a01 Add append message to array
Mike Pavone <pavone@retrodev.com>
parents: 39
diff changeset
455 '}',
927fd7911a01 Add append message to array
Mike Pavone <pavone@retrodev.com>
parents: 39
diff changeset
456 'self->data[self->size++] = va_arg(args, object *);',
927fd7911a01 Add append message to array
Mike Pavone <pavone@retrodev.com>
parents: 39
diff changeset
457 'return self;'
927fd7911a01 Add append message to array
Mike Pavone <pavone@retrodev.com>
parents: 39
diff changeset
458 ]
927fd7911a01 Add append message to array
Mike Pavone <pavone@retrodev.com>
parents: 39
diff changeset
459 });
45
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 43
diff changeset
460 return array;
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 43
diff changeset
461 }
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 43
diff changeset
462
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 43
diff changeset
463 function makeString()
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
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diff changeset
464 {
41
0558dad9d061 Add basic string support
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diff changeset
465 var string = new cObject('string');
0558dad9d061 Add basic string support
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parents: 40
diff changeset
466 string.addProperty('length', null, 'uint32_t');
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
467 string.addProperty('bytes', null, 'uint32_t');
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
468 string.addProperty('data', null, 'char *');
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
469 string.addMessage('length', {
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
470 vars: {intret: 'obj_int32 *'},
0558dad9d061 Add basic string support
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diff changeset
471 lines: [
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diff changeset
472 'intret = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);',
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
473 'intret->num = self->length;',
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
474 'return &(intret->header);'
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
475 ]
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
476 });
43
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
477 string.addMessage('byte_length', {
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
478 vars: {intret: 'obj_int32 *'},
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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diff changeset
479 lines: [
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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diff changeset
480 'intret = (obj_int32 *)make_object(&obj_int32_meta, NULL, 0);',
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
481 'intret->num = self->bytes;',
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
482 'return &(intret->header);'
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
483 ]
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
484 });
41
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
485 string.addMessage('EQ_', {
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
486 vars: {argb: 'string *'},
0558dad9d061 Add basic string support
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diff changeset
487 lines: [
0558dad9d061 Add basic string support
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diff changeset
488 'argb = va_arg(args, string *);',
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
489 'if (self->length == argb->length && self->bytes == argb->bytes && !memcmp(self->data, argb->data, self->bytes)) {',
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
490 ' return mcall(METHOD_ID_TRUE, 1, main_module);',
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
491 '}',
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
492 'return mcall(METHOD_ID_FALSE, 1, main_module);'
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
493 ]
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
494 });
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
495 string.addMessage('print', {
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
496 vars: {},
0558dad9d061 Add basic string support
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parents: 40
diff changeset
497 lines: [
0558dad9d061 Add basic string support
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parents: 40
diff changeset
498 'fwrite(self->data, 1, self->bytes, stdout);',
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
499 'return self;'
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
500 ]
0558dad9d061 Add basic string support
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
501 });
43
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
502 string.addMessage('string', {
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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parents: 42
diff changeset
503 vars: {},
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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parents: 42
diff changeset
504 lines: [ 'return self;' ]
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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parents: 42
diff changeset
505 });
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
506 string.addMessage('CAT_', {
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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parents: 42
diff changeset
507 vars: {argbo: 'object *', argb: 'string *', out: 'string *'},
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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parents: 42
diff changeset
508 lines: [
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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diff changeset
509 'argbo = va_arg(args, object *);',
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
510 'argb = mcall(' + getMethodId('string') + ', 1, argbo);',
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
511 'out = (string *)make_object(&string_meta, NULL, 0);',
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
512 'out->bytes = self->bytes + argb->bytes;',
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
513 'out->length = self->length + argb->length;',
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
514 'out->data = malloc(out->bytes+1);',
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
515 'memcpy(out->data, self->data, self->bytes);',
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
516 'memcpy(out->data + self->bytes, argb->data, argb->bytes + 1);',
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
Mike Pavone <pavone@retrodev.com>
parents: 42
diff changeset
517 'return out;'
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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parents: 42
diff changeset
518 ]
27a2167663dd Improve compiler error reporting. Fix operator associativity. Add some more string operations and a string ops sample
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parents: 42
diff changeset
519 });
45
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 43
diff changeset
520 string.addMessage('byte', {
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 43
diff changeset
521 vars: {index: 'obj_int32 *', intret: 'obj_int32 *'},
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parents: 43
diff changeset
522 lines: [
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diff changeset
523 'index = va_arg(args, obj_int32 *);',
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
524 'intret = make_object(&obj_int32_meta, NULL, 0);',
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 43
diff changeset
525 'intret->num = index->num < self->bytes ? self->data[index->num] : 0;',
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
526 'return intret;'
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parents: 43
diff changeset
527 ]
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
528 });
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
529 return string;
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
530 }
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 43
diff changeset
531
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 43
diff changeset
532 function makelambda()
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 43
diff changeset
533 {
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
534 var clos = new cObject('lambda');
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
535 clos.addProperty('env', null, 'void *');
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
536 clos.addProperty('func', null, 'closure_func');
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
537 clos.addMessage('while:do', {
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
538 vars: {action: 'lambda *', valtrue: 'object *', ret: 'object *'},
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 43
diff changeset
539 lines: [
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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parents: 43
diff changeset
540 'action = va_arg(args, lambda *);',
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
541 'valtrue = mcall(METHOD_ID_TRUE, 1, main_module);',
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
542 'ret = valtrue;',
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
543 'while(valtrue == ccall(self, 0)) {',
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
544 ' ccall(action, 0);',
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
545 '}',
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
546 'return ret;'
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
547 ]
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
548 });
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
549 return clos;
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
550 }
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
551
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
552 function builtinTypes()
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
553 {
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
554 return [makeInt32(), makeArray(), makeString(), makelambda()];
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
555 }
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
556
48
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
Mike Pavone <pavone@retrodev.com>
parents: 45
diff changeset
557 function addBuiltinModules(toplevel)
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
Mike Pavone <pavone@retrodev.com>
parents: 45
diff changeset
558 {
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
Mike Pavone <pavone@retrodev.com>
parents: 45
diff changeset
559 var os = new cObject('mod_obj_os');
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
Mike Pavone <pavone@retrodev.com>
parents: 45
diff changeset
560 os.addInclude('<sys/stat.h>');
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
Mike Pavone <pavone@retrodev.com>
parents: 45
diff changeset
561 os.addInclude('<fcntl.h>');
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
Mike Pavone <pavone@retrodev.com>
parents: 45
diff changeset
562 os.addMessage('write', {
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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parents: 45
diff changeset
563 vars: {str: 'string *', intret: 'obj_int32 *', filedes: 'obj_int32 *'},
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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parents: 45
diff changeset
564 lines: [
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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parents: 45
diff changeset
565 'filedes = va_arg(args, obj_int32 *);',
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
Mike Pavone <pavone@retrodev.com>
parents: 45
diff changeset
566 'str = va_arg(args, string *);',
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
Mike Pavone <pavone@retrodev.com>
parents: 45
diff changeset
567 'intret = make_object(&obj_int32_meta, NULL, 0);',
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
Mike Pavone <pavone@retrodev.com>
parents: 45
diff changeset
568 'intret->num = write(filedes->num, str->data, str->bytes);',
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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parents: 45
diff changeset
569 'return intret;'
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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parents: 45
diff changeset
570 ]
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571 });
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diff changeset
572 os.addMessage('read', {
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diff changeset
573 vars: {str: 'string *', size: 'obj_int32 *', filedes: 'obj_int32 *'},
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574 lines: [
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575 'filedes = va_arg(args, obj_int32 *);',
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576 'size = va_arg(args, obj_int32 *);',
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diff changeset
577 'str = make_object(&string_meta, NULL, 0);',
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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diff changeset
578 'str->data = malloc(size->num + 1);',
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diff changeset
579 'str->length = str->bytes = read(filedes->num, str->data, size->num);',
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diff changeset
580 'str->data[str->bytes+1] = 0;',
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diff changeset
581 'return str;'
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582 ]
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diff changeset
583 });
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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diff changeset
584 os.addMessage('open', {
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diff changeset
585 vars: {str: 'string *', flags: 'obj_int32 *', filedes: 'obj_int32 *'},
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586 lines: [
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587 'str = va_arg(args, string *);',
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588 'flags = va_arg(args, obj_int32 *);',
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diff changeset
589 'filedes = make_object(&obj_int32_meta, NULL, 0);',
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diff changeset
590 'filedes->num = open(str->data, flags->num);',
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diff changeset
591 'return filedes;'
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diff changeset
592 ]
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593 });
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diff changeset
594 os.addMessage('close', {
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diff changeset
595 vars: {filedes: 'obj_int32 *', intret: 'obj_int32 *'},
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596 lines: [
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597 'filedes = va_arg(args, obj_int32 *);',
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diff changeset
598 'intret = make_object(&obj_int32_meta, NULL, 0);',
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diff changeset
599 'intret->num = close(filedes->num);',
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diff changeset
600 'return intret;'
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diff changeset
601 ]
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diff changeset
602 });
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diff changeset
603 os.addMessage('O_RDONLY', {
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diff changeset
604 vars: {intret: 'obj_int32 *'},
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605 lines: [
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606 'intret = make_object(&obj_int32_meta, NULL, 0);',
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parents: 45
diff changeset
607 'intret->num = O_RDONLY;',
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parents: 45
diff changeset
608 'return intret;'
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diff changeset
609 ]
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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diff changeset
610 });
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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diff changeset
611 os.addMessage('O_WRONLY', {
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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diff changeset
612 vars: {intret: 'obj_int32 *'},
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613 lines: [
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614 'intret = make_object(&obj_int32_meta, NULL, 0);',
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diff changeset
615 'intret->num = O_WRONLY;',
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diff changeset
616 'return intret;'
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diff changeset
617 ]
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618 });
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diff changeset
619 os.addMessage('O_RDWR', {
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620 vars: {intret: 'obj_int32 *'},
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621 lines: [
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622 'intret = make_object(&obj_int32_meta, NULL, 0);',
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diff changeset
623 'intret->num = O_RDWR;',
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diff changeset
624 'return intret;'
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625 ]
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626 });
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627 os.addMessage('O_CREAT', {
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628 vars: {intret: 'obj_int32 *'},
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629 lines: [
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630 'intret = make_object(&obj_int32_meta, NULL, 0);',
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diff changeset
631 'intret->num = O_CREAT;',
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632 'return intret;'
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633 ]
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634 });
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635 os.addMessage('O_APPEND', {
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636 vars: {intret: 'obj_int32 *'},
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637 lines: [
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638 'intret = make_object(&obj_int32_meta, NULL, 0);',
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diff changeset
639 'intret->num = O_APPEND;',
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diff changeset
640 'return intret;'
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641 ]
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diff changeset
642 });
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diff changeset
643 os.addMessage('O_TRUNC', {
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diff changeset
644 vars: {intret: 'obj_int32 *'},
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645 lines: [
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646 'intret = make_object(&obj_int32_meta, NULL, 0);',
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diff changeset
647 'intret->num = O_TRUNC;',
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diff changeset
648 'return intret;'
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diff changeset
649 ]
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diff changeset
650 });
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diff changeset
651 toplevel.names['os'] = os;
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diff changeset
652 }
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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diff changeset
653
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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diff changeset
654 function processUsedToplevel(toplevel)
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diff changeset
655 {
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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656 var ret = '';
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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657 var modulenum = 0;
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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diff changeset
658 for (var symbol in toplevel.used) {
18ab96287c3a Add builtin module os containing some baisc POSIX file IO
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diff changeset
659 ret += '\tmodule_' + (modulenum) + ' = ' + toplevel.names[symbol].toC() + ';\n';
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diff changeset
660 toplevelcode += 'object * module_' + modulenum + ';\n';
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diff changeset
661 toplevel.names[symbol].modulevar = 'module_' + (modulenum++);
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662 }
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663 return ret;
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diff changeset
664 }
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diff changeset
665
45
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diff changeset
666 function makeCProg(obj)
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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diff changeset
667 {
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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668 var builtins = builtinTypes();
31
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669 forwarddec = toplevelcode = '';
45
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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diff changeset
670 for (var i in builtins) {
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
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diff changeset
671 forwarddec += builtins[i].toEarlyCDef();
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diff changeset
672 toplevelcode += builtins[i].toCDef();
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parents: 43
diff changeset
673 }
48
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diff changeset
674 addBuiltinModules(toplevel);
31
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diff changeset
675 obj.populateSymbols(toplevel);
48
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diff changeset
676 var moduleinit = processUsedToplevel(toplevel);
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diff changeset
677 var rest = 'object * mainModule() {\n' + moduleinit + '\tmain_module = ' + obj.toC() + ';\n\treturn main_module;\n}\n';
34
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diff changeset
678 return '#include "runtime/proghead.inc"\n' +
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diff changeset
679 '#define METHOD_ID_MAIN ' + getMethodId('main') + '\n' +
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diff changeset
680 '#define METHOD_ID_TRUE ' + getMethodId('true') + '\n' +
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diff changeset
681 '#define METHOD_ID_FALSE ' + getMethodId('false') + '\n' +
a10f1b049193 Working closures, but need to rethink method call strategy
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diff changeset
682 forwarddec + toplevelcode + rest + '#include "runtime/progfoot.inc"\n';
31
668f533e5284 Add initial version of C backend
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diff changeset
683 }
668f533e5284 Add initial version of C backend
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parents:
diff changeset
684
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parents:
diff changeset
685 object.prototype.toCModule = function() {
668f533e5284 Add initial version of C backend
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parents:
diff changeset
686 return makeCProg(this);
668f533e5284 Add initial version of C backend
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parents:
diff changeset
687 }
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
688
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parents:
diff changeset
689 var lambdanum = 0;
668f533e5284 Add initial version of C backend
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parents:
diff changeset
690
668f533e5284 Add initial version of C backend
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parents:
diff changeset
691 lambda.prototype.toC = function() {
668f533e5284 Add initial version of C backend
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diff changeset
692 var args = this.args ? this.args.slice(0, this.args.length) : [];
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diff changeset
693 var exprs = this.expressions;
34
a10f1b049193 Working closures, but need to rethink method call strategy
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diff changeset
694 var mynum = lambdanum++;
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diff changeset
695 if (Object.keys(this.symbols.closedover).length) {
a10f1b049193 Working closures, but need to rethink method call strategy
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diff changeset
696 this.symbols.envtype = 'lambda_' + mynum + '_env';
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diff changeset
697 }
31
668f533e5284 Add initial version of C backend
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diff changeset
698 if (this.selftype) {
34
a10f1b049193 Working closures, but need to rethink method call strategy
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diff changeset
699 this.symbols.defineVar('self', this.selftype);
31
668f533e5284 Add initial version of C backend
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diff changeset
700 if (args[0] && args[0].cleanName() == 'self') {
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parents:
diff changeset
701 args.splice(0, 1);
668f533e5284 Add initial version of C backend
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parents:
diff changeset
702 }
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
703 var offset = 1;
668f533e5284 Add initial version of C backend
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parents:
diff changeset
704 } else {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
705 var offset = 0;
668f533e5284 Add initial version of C backend
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parents:
diff changeset
706 }
668f533e5284 Add initial version of C backend
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parents:
diff changeset
707 for (var i = 0; i < args.length; ++i) {
34
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
708 var argname = args[i].toC();
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
709
35
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
710 args[i] = (argname.indexOf('->') < 0 ? '\tobject * ' : '\t') + argname + ' = va_arg(args, object *);\n';
31
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
711 }
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
712 var compiled = []
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
713 for (var i in exprs) {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
714 var js = exprs[i].toC();
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
715 if (js) {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
716 compiled.push(indent(js));
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
717 }
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
718 }
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
719 exprs = compiled;
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
720 if (exprs.length) {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
721 exprs[exprs.length-1] = 'return ' + exprs[exprs.length-1] + ';';
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
722 }
34
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
723
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
724 if (Object.keys(this.symbols.closedover).length) {
42
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
725 forwarddec += 'typedef struct lambda_' + mynum + '_env {\n';
34
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
726 for (var varname in this.symbols.closedover) {
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
727 forwarddec += '\tobject * ' + escapeCName(varname) + ';\n';
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
728 }
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
729 forwarddec += '} lambda_' + mynum + '_env;\n'
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
730
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
731 var myenvinit = '\tlambda_' + mynum + '_env * myenv = malloc(sizeof(lambda_' + mynum + '_env));\n';
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
732 this.symbols.envtype = 'lambda_' + mynum + '_env';
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
733 } else {
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
734 var myenvinit = '';
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
735 }
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
736
35
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
737 toplevelcode += 'object * lambda_' + mynum + ' (' + this.symbols.parentEnvType() + ' * env, uint32_t num_args, ...) {\n\tva_list args;\n' + myenvinit + '\tva_start(args, num_args);\n';
31
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
738 if (this.selftype) {
34
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
739 var selfvar = (new symbol('self', this.symbols)).toC();
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
740 if (selfvar == 'self') {
35
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
741 toplevelcode += '\t' + this.selftype + ' * self = va_arg(args, ' + this.selftype + ' *);\n';
34
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
742 } else {
35
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
743 toplevelcode += '\t' + selfvar + ' = va_arg(args, ' + this.selftype + ' *);\n';
34
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
744 }
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
745
31
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
746 }
35
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
747 toplevelcode += args.join('') + '\tva_end(args);\n' + exprs.join(';\n\t') + '\n}\n';
34
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
748
42
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
749 if (this.selftype) {
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
750 return 'lambda_' + mynum;
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
751 } else {
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
752 if (this.symbols.parentEnvType() != 'void') {
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
753 if (this.symbols.passthruenv) {
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
754 var envvar = 'env';
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
755 } else {
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
756 var envvar = 'myenv';
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
757 }
45
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
758 return 'make_lambda(' + envvar + ', lambda_' + mynum + ')';
42
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
759 } else {
45
2a9c6eed0c70 Move closure/lambda object def into compiler rather than runtime code. Add while:do method to lambda
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
760 toplevelcode += 'lambda lambda_obj_' + mynum + ' = {{&lambda_meta, NULL}, NULL, lambda_' + mynum + '};\n';
42
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
761 return '((object *)&lambda_obj_' + mynum + ')';
34
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
762 }
a10f1b049193 Working closures, but need to rethink method call strategy
Mike Pavone <pavone@retrodev.com>
parents: 32
diff changeset
763 }
31
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
764 };
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
765 lambda.prototype.toCObject = function(typename) {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
766 this.selftype = typename;
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
767 return this.toC();
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
768 };
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
769 lambda.prototype.toCModule = function() {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
770 return makeCProg(this);
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
771 }
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
772
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
773 assignment.prototype.toC = function() {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
774 var existing = this.symbols.find(this.symbol.name);
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
775 var prefix = '';
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
776 var val = this.expression.toC();
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
777 if (val === null) {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
778 return null;
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
779 }
38
e7be612fd3ae Very basic array support
Mike Pavone <pavone@retrodev.com>
parents: 37
diff changeset
780 if (existing.type == 'local' && !existing.isdeclared) {
e7be612fd3ae Very basic array support
Mike Pavone <pavone@retrodev.com>
parents: 37
diff changeset
781 prefix = 'object *';
e7be612fd3ae Very basic array support
Mike Pavone <pavone@retrodev.com>
parents: 37
diff changeset
782 this.symbols.declareVar(this.symbol.name);
e7be612fd3ae Very basic array support
Mike Pavone <pavone@retrodev.com>
parents: 37
diff changeset
783 }
31
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
784 return prefix + this.symbol.toC() + ' = ' + val;
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
785 };
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
786 assignment.prototype.toCObject = function(cobj) {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
787 if (this.expression.toCObject) {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
788 var val = this.expression.toCObject(cobj.name);
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
789 } else {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
790 var val = this.expression.toC();
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
791 }
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
792 if (val === null) {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
793 return;
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
794 }
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
795 if (this.expression instanceof lambda) {
35
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
796 var params = ['((object *)self)'];
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
797 var paramget = '';
37
a6bf4869fcbe Small refactor of built-in int32 type and added support for more operators on said type
Mike Pavone <pavone@retrodev.com>
parents: 35
diff changeset
798 var messagevars = {};
35
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
799 for (var i in this.expression.args) {
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
800 var escaped = escapeCName(this.expression.args[i].cleanName());
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
801 if (escaped != 'self') {
37
a6bf4869fcbe Small refactor of built-in int32 type and added support for more operators on said type
Mike Pavone <pavone@retrodev.com>
parents: 35
diff changeset
802 messagevars[escaped] = 'object *';
35
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
803 params.push(escaped);
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
804 paramget += escaped + ' = va_arg(args, object *); ';
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
805 }
bf5e88f6419d Use a function/method call strategy that actually works
Mike Pavone <pavone@retrodev.com>
parents: 34
diff changeset
806 }
37
a6bf4869fcbe Small refactor of built-in int32 type and added support for more operators on said type
Mike Pavone <pavone@retrodev.com>
parents: 35
diff changeset
807 cobj.addMessage(this.symbol.name, {
a6bf4869fcbe Small refactor of built-in int32 type and added support for more operators on said type
Mike Pavone <pavone@retrodev.com>
parents: 35
diff changeset
808 vars: messagevars,
42
4e983fe32047 Fix closures as methods so that private vars work
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
809 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>
parents: 35
diff changeset
810 });
31
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
811 } else {
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
812 cobj.addProperty(this.symbol.name, val);
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
813 }
668f533e5284 Add initial version of C backend
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
814 };