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general clean-ups (#3175)

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This commit is contained in:
Alex Lam S.L
2018-06-06 17:50:56 +08:00
committed by GitHub
parent bce7ee5f6a
commit 9e19e63551
24 changed files with 839 additions and 974 deletions
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24
lib/scope.js
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@@ -91,7 +91,7 @@ SymbolDef.prototype = {
}
};
AST_Toplevel.DEFMETHOD("figure_out_scope", function(options){
AST_Toplevel.DEFMETHOD("figure_out_scope", function(options) {
options = defaults(options, {
cache: null,
ie8: false,
@@ -101,7 +101,7 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options){
var self = this;
var scope = self.parent_scope = null;
var defun = null;
var tw = new TreeWalker(function(node, descend){
var tw = new TreeWalker(function(node, descend) {
if (node instanceof AST_Catch) {
var save_scope = scope;
scope = new AST_Scope(node);
@@ -162,7 +162,7 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options){
// pass 2: find back references and eval
self.globals = new Dictionary();
var tw = new TreeWalker(function(node, descend){
var tw = new TreeWalker(function(node, descend) {
if (node instanceof AST_LoopControl && node.label) {
node.label.thedef.references.push(node);
return true;
@@ -217,7 +217,7 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options){
}
});
AST_Toplevel.DEFMETHOD("def_global", function(node){
AST_Toplevel.DEFMETHOD("def_global", function(node) {
var globals = this.globals, name = node.name;
if (globals.has(name)) {
return globals.get(name);
@@ -230,7 +230,7 @@ AST_Toplevel.DEFMETHOD("def_global", function(node){
}
});
AST_Scope.DEFMETHOD("init_scope_vars", function(parent_scope){
AST_Scope.DEFMETHOD("init_scope_vars", function(parent_scope) {
this.variables = new Dictionary(); // map name to AST_SymbolVar (variables defined in this scope; includes functions)
this.functions = new Dictionary(); // 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
@@ -240,7 +240,7 @@ AST_Scope.DEFMETHOD("init_scope_vars", function(parent_scope){
this.cname = -1; // the current index for mangling functions/variables
});
AST_Lambda.DEFMETHOD("init_scope_vars", function(){
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({
@@ -270,20 +270,20 @@ AST_Symbol.DEFMETHOD("reference", function(options) {
this.mark_enclosed(options);
});
AST_Scope.DEFMETHOD("find_variable", function(name){
AST_Scope.DEFMETHOD("find_variable", function(name) {
if (name instanceof AST_Symbol) name = name.name;
return this.variables.get(name)
|| (this.parent_scope && this.parent_scope.find_variable(name));
});
AST_Scope.DEFMETHOD("def_function", function(symbol, init){
AST_Scope.DEFMETHOD("def_function", function(symbol, init) {
var def = this.def_variable(symbol, init);
if (!def.init || def.init instanceof AST_Defun) def.init = init;
this.functions.set(symbol.name, def);
return def;
});
AST_Scope.DEFMETHOD("def_variable", function(symbol, init){
AST_Scope.DEFMETHOD("def_variable", function(symbol, init) {
var def = this.variables.get(symbol.name);
if (def) {
def.orig.push(symbol);
@@ -390,7 +390,7 @@ function _default_mangler_options(options) {
return options;
}
AST_Toplevel.DEFMETHOD("mangle_names", function(options){
AST_Toplevel.DEFMETHOD("mangle_names", function(options) {
options = _default_mangler_options(options);
// We only need to mangle declaration nodes. Special logic wired
@@ -407,7 +407,7 @@ AST_Toplevel.DEFMETHOD("mangle_names", function(options){
}
var redefined = [];
var tw = new TreeWalker(function(node, descend){
var tw = new TreeWalker(function(node, descend) {
if (node instanceof AST_LabeledStatement) {
// lname is incremented when we get to the AST_Label
var save_nesting = lname;
@@ -520,7 +520,7 @@ AST_Sequence.DEFMETHOD("tail_node", function() {
return this.expressions[this.expressions.length - 1];
});
AST_Toplevel.DEFMETHOD("compute_char_frequency", function(options){
AST_Toplevel.DEFMETHOD("compute_char_frequency", function(options) {
options = _default_mangler_options(options);
base54.reset();
try {