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preserve ThisBinding for side_effects

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This commit is contained in:
alexlamsl
2016-02-17 02:52:28 +08:00
committed by Richard van Velzen
parent 9662228f6a
commit 6547437725
5 changed files with 144 additions and 24 deletions
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9
lib/scope.js
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@@ -194,6 +194,11 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options){
}
if (node instanceof AST_SymbolRef) {
var name = node.name;
if (name == "eval" && tw.parent() instanceof AST_Call) {
for (var s = node.scope; s && !s.uses_eval; s = s.parent_scope) {
s.uses_eval = true;
}
}
var sym = node.scope.find_variable(name);
if (!sym) {
var g;
@@ -206,10 +211,6 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options){
globals.set(name, g);
}
node.thedef = g;
if (name == "eval" && tw.parent() instanceof AST_Call) {
for (var s = node.scope; s && !s.uses_eval; s = s.parent_scope)
s.uses_eval = true;
}
if (func && name == "arguments") {
func.uses_arguments = true;
}