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fixing infinite recursion when compiling if statements containing pure_statements

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Jeremy Ashkenas
2010-03-20 10:36:06 -04:00
parent a2778bf06d
commit 566321d67a
2 changed files with 7 additions and 4 deletions
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4
lib/nodes.js
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@@ -69,7 +69,9 @@
del(this.options, 'operation'); del(this.options, 'operation');
} }
top = this.top_sensitive() ? this.options.top : del(this.options, 'top'); top = this.top_sensitive() ? this.options.top : del(this.options, 'top');
closure = this.is_statement() && !this.is_pure_statement() && !top && !this.options.returns && !(this instanceof CommentNode); closure = this.is_statement() && !this.is_pure_statement() && !top && !this.options.returns && !(this instanceof CommentNode) && !(this.contains(function(n) {
return n.is_pure_statement();
}));
return closure ? this.compile_closure(this.options) : this.compile_node(this.options); return closure ? this.compile_closure(this.options) : this.compile_node(this.options);
}; };
// Statements converted into expressions via closure-wrapping share a scope // Statements converted into expressions via closure-wrapping share a scope

3
src/nodes.coffee
View File

@@ -56,7 +56,8 @@ exports.BaseNode: class BaseNode
del @options, 'operation' unless this instanceof ValueNode del @options, 'operation' unless this instanceof ValueNode
top: if @top_sensitive() then @options.top else del @options, 'top' top: if @top_sensitive() then @options.top else del @options, 'top'
closure: @is_statement() and not @is_pure_statement() and not top and closure: @is_statement() and not @is_pure_statement() and not top and
not @options.returns and not (this instanceof CommentNode) not @options.returns and not (this instanceof CommentNode) and
not (@contains (n) -> n.is_pure_statement())
if closure then @compile_closure(@options) else @compile_node(@options) if closure then @compile_closure(@options) else @compile_node(@options)
# Statements converted into expressions via closure-wrapping share a scope # Statements converted into expressions via closure-wrapping share a scope