mirrors/TiddlyWiki5
1
0
Fork 0
mirror of https://github.com/Jermolene/TiddlyWiki5 synced 2024-12-24 00:50:28 +00:00
Code Issues Releases Wiki Activity

Refactored JavaScriptParseTree handling of output array

Browse Source
This commit is contained in:
Jeremy Ruston 2012-01-17 15:20:46 +00:00
parent f10d58ed2b
commit 8cfff2c2fa
1 changed files with 49 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

99
js/JavaScriptParseTree.js
View File

@ -27,112 +27,111 @@ var JavaScriptParseTree = function(tree) {
// Render the entire JavaScript tree object to JavaScript source code
JavaScriptParseTree.prototype.render = function() {
this.output = [];
this.renderSubTree(this.tree);
var r = this.output.join("");
this.output = null;
var output = [];
this.renderSubTree(output,this.tree);
var r = output.join("");
return r;
};
// Render a subtree of the parse tree to an array of fragments of JavaScript source code
JavaScriptParseTree.prototype.renderSubTree = function(tree) {
JavaScriptParseTree.prototype.renderSubTree = function(output,tree) {
for(var t=0; t<tree.length; t++) {
if(t) {
this.output.push(";\n");
}
this.renderNode(tree[t]);
this.renderNode(output,tree[t]);
}
};
// Compile a JavaScript node to an array of fragments of JavaScript source code
JavaScriptParseTree.prototype.renderNode = function(node) {
JavaScriptParseTree.prototype.renderNode = function(output,node) {
var p;
switch(node.type) {
case "StringLiteral":
this.output.push(utils.stringify(node.value));
output.push(utils.stringify(node.value));
break;
case "StringLiterals":
this.output.push(utils.stringify(node.value.join("")));
output.push(utils.stringify(node.value.join("")));
break;
case "FunctionCall":
this.output.push("(");
this.renderNode(node.name);
this.output.push(")(");
output.push("(");
this.renderNode(output,node.name);
output.push(")(");
for(p=0; p<node["arguments"].length; p++) {
if(p) {
this.output.push(",");
output.push(",");
}
this.renderNode(node["arguments"][p]);
this.renderNode(output,node["arguments"][p]);
}
this.output.push(")");
output.push(")");
break;
case "PropertyAccess":
this.renderNode(node.base);
this.renderNode(output,node.base);
if(typeof node.name === "string") {
this.output.push("." + node.name);
output.push("." + node.name);
} else {
this.output.push("[");
this.renderNode(node.name);
this.output.push("]");
output.push("[");
this.renderNode(output,node.name);
output.push("]");
}
break;
case "ArrayLiteral":
this.output.push("[");
output.push("[");
for(p=0; p<node.elements.length; p++) {
if(p) {
this.output.push(",");
output.push(",");
}
this.renderNode(node.elements[p]);
this.renderNode(output,node.elements[p]);
}
this.output.push("]");
output.push("]");
break;
case "Variable":
this.output.push(node.name);
output.push(node.name);
break;
case "ObjectLiteral":
this.output.push("{");
output.push("{");
for(p=0; p<node.properties.length; p++) {
if(p) {
this.output.push(",");
output.push(",");
}
this.renderNode(node.properties[p]);
this.renderNode(output,node.properties[p]);
}
this.output.push("}");
output.push("}");
break;
case "PropertyAssignment":
this.output.push(node.name);
this.output.push(":");
this.renderNode(node.value);
output.push(node.name);
output.push(":");
this.renderNode(output,node.value);
break;
case "BinaryExpression":
this.output.push("(");
this.renderNode(node.left);
this.output.push(")");
this.output.push(node.operator);
this.output.push("(");
this.renderNode(node.right);
this.output.push(")");
output.push("(");
this.renderNode(output,node.left);
output.push(")");
output.push(node.operator);
output.push("(");
this.renderNode(output,node.right);
output.push(")");
break;
case "NumericLiteral":
this.output.push(node.value);
output.push(node.value);
break;
case "Function":
this.output.push("(function ");
output.push("(function ");
if(node.name !== null) {
this.output.push(node.name);
output.push(node.name);
}
this.output.push("(");
this.output.push(node.params.join(","));
this.output.push("){");
this.renderSubTree(node.elements);
this.output.push("})");
output.push("(");
output.push(node.params.join(","));
output.push("){");
this.renderSubTree(output,node.elements);
output.push("})");
break;
case "ReturnStatement":
this.output.push("return ");
this.renderNode(node.value);
output.push("return ");
this.renderNode(output,node.value);
break;
case "This":
this.output.push("this");
output.push("this");
break;
default:
console.log(node);