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comparison jsbackend.js @ 12:6e4851a204a5

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Add ability to load code into editor
author Mike Pavone <pavone@retrodev.com>
date Wed, 21 Mar 2012 23:13:51 -0700
parents 02b20292f187
children 132c7756860e
comparison
equal deleted inserted replaced
11:5447cff52da6 12:6e4851a204a5
60 return '"' + this.val.replace('\\', '\\\\').replace('"', '\\"').replace('\n', '\\n').replace('\r', '\\r') + '"'; 60 return '"' + this.val.replace('\\', '\\\\').replace('"', '\\"').replace('\n', '\\n').replace('\r', '\\r') + '"';
61 } 61 }
62 62
63 funcall.prototype.toJS = function(symbols) { 63 funcall.prototype.toJS = function(symbols) {
64 var name = this.name[this.name.length-1] == ':' ? this.name.substr(0, this.name.length-1) : this.name; 64 var name = this.name[this.name.length-1] == ':' ? this.name.substr(0, this.name.length-1) : this.name;
65 if (name == 'foreign') {
66 if ((this.args[0] instanceof lambda) || (this.args[0] instanceof object)) {
67 return null;
68 } else if(this.args[0] instanceof symbol) {
69 return this.args[0].name;
70 } else {
71 throw new Error("Unexpected AST type for foreign:");
72 }
73 }
65 var args = this.args.slice(0, this.args.length); 74 var args = this.args.slice(0, this.args.length);
66 if (this.receiver) { 75 if (this.receiver) {
67 args.splice(0, 0, this.receiver); 76 args.splice(0, 0, this.receiver);
68 } 77 }
69 var funinfo = symbols.find(name); 78 var funinfo = symbols.find(name);
169 prefix += 'parent.'; 178 prefix += 'parent.';
170 } 179 }
171 break; 180 break;
172 } 181 }
173 } 182 }
174 if (this.expression instanceof funcall && this.expression.name == 'foreign:') { 183 var val = this.expression.toJS(symbols);
184 if (val === null) {
175 return null; 185 return null;
176 } 186 }
177 return prefix + this.symbol.toJS(symbols) + ' = ' + this.expression.toJS(symbols); 187 return prefix + this.symbol.toJS(symbols) + ' = ' + val;
178 }; 188 };
179 assignment.prototype.toJSObject = function(symbols) { 189 assignment.prototype.toJSObject = function(symbols) {
180 symbols.defineMsg(this.symbol.name, this.expression); 190 symbols.defineMsg(this.symbol.name, this.expression);
181 if (this.expression instanceof funcall && this.expression.name == 'foreign:') { 191 var val = this.expression.toJS(symbols);
192 if (val === null) {
182 return null; 193 return null;
183 } 194 }
184 return this.symbol.toJS(symbols) + ': ' + this.expression.toJS(symbols); 195 return this.symbol.toJS(symbols) + ': ' + val;
185 }; 196 };