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added ast parsing for for stmt, normal stmt and assignment expression

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Matthew Saw 2016-01-23 21:26:29 +08:00
parent a4853109cb
commit 81f1541e09
1 changed files with 38 additions and 1 deletions
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39
src/js-to-webclgl.js
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@ -50,7 +50,44 @@ var GPU_jsToWebclgl = (function() {
function ast_FunctionExpression(ast, retArr) {
return retArr;
}
/// Prases the abstract syntax tree, genericially to its respective function
///
/// @param ast the AST object to parse
///
/// @returns the prased openclgl string
function ast_ForStatement(forNode, retArr) {
if (forNode.type != "ForStatement") {
throw "error";
}
retArr.push("for (");
ast_generic(forNode.init, retArr);
ast_generic(forNode.test, retArr);
ast_generic(forNode.update, retArr);
retArr.push(")");
ast_generic(forNode.body, retArr);
return retArr;
}
function ast_ExpressionStatement(expNode, retArr) {
if (expNode.type != "ExpressionStatement") {
throw "error";
}
ast_generic(expNode.expression, retArr);
retArr.push(";");
return retArr;
}
function ast_AssignmentExpression(assNode, retArr) {
if (assNode.type != "AssignmentExpression") {
throw "error";
}
retArr.push("float");
ast_generic(assNode.left, retArr);
retArr.push(assNode.operator);
ast_generic(assNode.right, retArr);
}
/// Does the core conversion of a basic Javascript function into a webclgl
/// and returns a callable function if valid