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some reorganization

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(moved pretty much everything that relates to scope in scope.js, added a
module for NodeJS that can be used with require() and exports everything.)
This commit is contained in:
Mihai Bazon
2012-08-21 12:55:56 +03:00
parent 92bd53b513
commit 7ae1c600a2
5 changed files with 120 additions and 105 deletions
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20
lib/ast.js
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@@ -156,16 +156,7 @@ var AST_With = DEFNODE("With", "expression", {
/* -----[ scope and functions ]----- */
var AST_Scope = DEFNODE("Scope", null, {
$documentation: "Base class for all statements introducing a lexical scope",
initialize: function() {
this.variables = {}; // map name to AST_SymbolVar (variables defined in this scope; includes functions)
this.functions = {}; // map name to AST_SymbolDefun (functions defined in this scope)
this.uses_with = false; // will be set to true if this or some nested scope uses the `with` statement
this.uses_eval = false; // will be set to true if this or nested scope uses the global `eval`
this.parent_scope = null; // the parent scope
this.enclosed = []; // a list of variables from this or outer scope(s) that are referenced from this or inner scopes
this.cname = -1; // the current index for mangling functions/variables
}
$documentation: "Base class for all statements introducing a lexical scope"
}, AST_BlockStatement);
var AST_Toplevel = DEFNODE("Toplevel", null, {
@@ -174,10 +165,6 @@ var AST_Toplevel = DEFNODE("Toplevel", null, {
var AST_Lambda = DEFNODE("Lambda", "name argnames", {
$documentation: "Base class for functions",
initialize: function() {
AST_Scope.prototype.initialize.call(this);
this.uses_arguments = false;
},
_walk: function(visitor) {
return visitor._visit(this, function(){
if (this.name) this.name._walk(visitor);
@@ -479,10 +466,7 @@ var AST_ObjectGetter = DEFNODE("ObjectGetter", null, {
var AST_Symbol = DEFNODE("Symbol", "scope name", {
});
var AST_SymbolDeclaration = DEFNODE("SymbolDeclaration", "references", {
initialize: function() {
this.references = [];
}
var AST_SymbolDeclaration = DEFNODE("SymbolDeclaration", null, {
}, AST_Symbol);
var AST_SymbolVar = DEFNODE("SymbolVar", null, {