mirror of
https://github.com/seejohnrun/haste-server.git
synced 2024-11-01 11:31:22 +00:00
70 lines
3.2 KiB
JavaScript
70 lines
3.2 KiB
JavaScript
|
var jsp = require("./parse-js"),
|
||
|
|
pro = require("./process"),
|
||
|
|
slice = jsp.slice,
|
||
|
|
member = jsp.member,
|
||
|
|
curry = jsp.curry,
|
||
|
|
MAP = pro.MAP,
|
||
|
|
PRECEDENCE = jsp.PRECEDENCE,
|
||
|
|
OPERATORS = jsp.OPERATORS;
|
||
|
|
|
||
|
|
function ast_squeeze_more(ast) {
|
||
|
|
var w = pro.ast_walker(), walk = w.walk, scope;
|
||
|
|
function with_scope(s, cont) {
|
||
|
|
var save = scope, ret;
|
||
|
|
scope = s;
|
||
|
|
ret = cont();
|
||
|
|
scope = save;
|
||
|
|
return ret;
|
||
|
|
};
|
||
|
|
function _lambda(name, args, body) {
|
||
|
|
return [ this[0], name, args, with_scope(body.scope, curry(MAP, body, walk)) ];
|
||
|
|
};
|
||
|
|
return w.with_walkers({
|
||
|
|
"toplevel": function(body) {
|
||
|
|
return [ this[0], with_scope(this.scope, curry(MAP, body, walk)) ];
|
||
|
|
},
|
||
|
|
"function": _lambda,
|
||
|
|
"defun": _lambda,
|
||
|
|
"new": function(ctor, args) {
|
||
|
|
if (ctor[0] == "name") {
|
||
|
|
if (ctor[1] == "Array" && !scope.has("Array")) {
|
||
|
|
if (args.length != 1) {
|
||
|
|
return [ "array", args ];
|
||
|
|
} else {
|
||
|
|
return walk([ "call", [ "name", "Array" ], args ]);
|
||
|
|
}
|
||
|
|
} else if (ctor[1] == "Object" && !scope.has("Object")) {
|
||
|
|
if (!args.length) {
|
||
|
|
return [ "object", [] ];
|
||
|
|
} else {
|
||
|
|
return walk([ "call", [ "name", "Object" ], args ]);
|
||
|
|
}
|
||
|
|
} else if ((ctor[1] == "RegExp" || ctor[1] == "Function" || ctor[1] == "Error") && !scope.has(ctor[1])) {
|
||
|
|
return walk([ "call", [ "name", ctor[1] ], args]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
"call": function(expr, args) {
|
||
|
|
if (expr[0] == "dot" && expr[2] == "toString" && args.length == 0) {
|
||
|
|
// foo.toString() ==> foo+""
|
||
|
|
return [ "binary", "+", expr[1], [ "string", "" ]];
|
||
|
|
}
|
||
|
|
if (expr[0] == "name") {
|
||
|
|
if (expr[1] == "Array" && args.length != 1 && !scope.has("Array")) {
|
||
|
|
return [ "array", args ];
|
||
|
|
}
|
||
|
|
if (expr[1] == "Object" && !args.length && !scope.has("Object")) {
|
||
|
|
return [ "object", [] ];
|
||
|
|
}
|
||
|
|
if (expr[1] == "String" && !scope.has("String")) {
|
||
|
|
return [ "binary", "+", args[0], [ "string", "" ]];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}, function() {
|
||
|
|
return walk(pro.ast_add_scope(ast));
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
exports.ast_squeeze_more = ast_squeeze_more;
|