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Revert "remove support for const (#1910)"

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This reverts commit c391576d52.
This commit is contained in:
alexlamsl
2017-05-15 18:38:16 +08:00
parent ff526be61d
commit cd6e849555
20 changed files with 591 additions and 36 deletions
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7
lib/scope.js
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@@ -156,7 +156,8 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options){
// later.
(node.scope = defun.parent_scope).def_function(node);
}
else if (node instanceof AST_SymbolVar) {
else if (node instanceof AST_SymbolVar
|| node instanceof AST_SymbolConst) {
defun.def_variable(node);
if (defun !== scope) {
node.mark_enclosed(options);
@@ -267,7 +268,7 @@ AST_Scope.DEFMETHOD("init_scope_vars", function(parent_scope){
AST_Lambda.DEFMETHOD("init_scope_vars", function(){
AST_Scope.prototype.init_scope_vars.apply(this, arguments);
this.uses_arguments = false;
this.def_variable(new AST_SymbolFunarg({
this.def_variable(new AST_SymbolConst({
name: "arguments",
start: this.start,
end: this.end
@@ -485,6 +486,8 @@ AST_Toplevel.DEFMETHOD("compute_char_frequency", function(options){
}
else if (node instanceof AST_Var)
base54.consider("var");
else if (node instanceof AST_Const)
base54.consider("const");
else if (node instanceof AST_Lambda)
base54.consider("function");
else if (node instanceof AST_For)