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Unified Diff: src/ast.h

Issue 18429005: Undefined is not a literal. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: fix comments Created 7 years, 5 months ago
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Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index 78b7843d991d5479c5ec72d4f8229b43b56cdb9c..f14156f93c6235582325d7894be735c43cb69290 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -353,8 +353,8 @@ class Expression: public AstNode {
// True iff the expression is the null literal.
bool IsNullLiteral();
- // True iff the expression is the undefined literal.
- bool IsUndefinedLiteral();
+ // True if we can prove that the expression is the undefined literal.
+ bool IsUndefinedLiteral(Isolate* isolate);
// Expression type bounds
Bounds bounds() { return bounds_; }
@@ -1994,7 +1994,7 @@ class CompareOperation: public Expression {
// Match special cases.
bool IsLiteralCompareTypeof(Expression** expr, Handle<String>* check);
- bool IsLiteralCompareUndefined(Expression** expr);
+ bool IsLiteralCompareUndefined(Expression** expr, Isolate* isolate);
bool IsLiteralCompareNull(Expression** expr);
protected:
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