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support generator functions (#4620)

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This commit is contained in:
Alex Lam S.L
2021-02-07 22:44:20 +00:00
committed by GitHub
parent c44b6399c3
commit fd4caf7a9c
12 changed files with 1186 additions and 182 deletions
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6
lib/scope.js
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@@ -121,7 +121,7 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options) {
var next_def_id = 0;
var scope = self.parent_scope = null;
var tw = new TreeWalker(function(node, descend) {
if (is_defun(node)) {
if (node instanceof AST_LambdaDefinition) {
node.name.walk(tw);
walk_scope(function() {
node.argnames.forEach(function(argname) {
@@ -439,7 +439,7 @@ AST_BlockScope.DEFMETHOD("find_variable", function(name) {
AST_BlockScope.DEFMETHOD("def_function", function(symbol, init) {
var def = this.def_variable(symbol, init);
if (!def.init || is_defun(def.init)) def.init = init;
if (!def.init || def.init instanceof AST_LambdaDefinition) def.init = init;
this.functions.set(symbol.name, def);
return def;
});
@@ -448,7 +448,7 @@ AST_BlockScope.DEFMETHOD("def_variable", function(symbol, init) {
var def = this.variables.get(symbol.name);
if (def) {
def.orig.push(symbol);
if (is_function(def.init)) def.init = init;
if (def.init instanceof AST_LambdaExpression) def.init = init;
} else {
def = this.make_def(symbol, init);
this.variables.set(symbol.name, def);