1 files changed, 22 insertions, 1 deletions
diff --git a/Source/JavaScriptCore/parser/Parser.h b/Source/JavaScriptCore/parser/Parser.h
index 4c005fa5e..e657e12cd 100644
--- a/Source/JavaScriptCore/parser/Parser.h
+++ b/Source/JavaScriptCore/parser/Parser.h
@@ -57,7 +57,28 @@ class JSGlobalData;
 class ProgramNode;
 class SourceCode;
 
-// Macros to make the more common TreeBuilder types a little less verbose
+#define fail() do { if (!m_error) updateErrorMessage(); return 0; } while (0)
+#define failWithToken(tok) do { if (!m_error) updateErrorMessage(tok); return 0; } while (0)
+#define failWithMessage(msg) do { if (!m_error) updateErrorMessage(msg); return 0; } while (0)
+#define failWithNameAndMessage(before, name, after) do { if (!m_error) updateErrorWithNameAndMessage(before, name, after); return 0; } while (0)
+#define failIfFalse(cond) do { if (!(cond)) fail(); } while (0)
+#define failIfFalseWithMessage(cond, msg) do { if (!(cond)) failWithMessage(msg); } while (0)
+#define failIfFalseWithNameAndMessage(cond, before, name, msg) do { if (!(cond)) failWithNameAndMessage(before, name, msg); } while (0)
+#define failIfTrue(cond) do { if ((cond)) fail(); } while (0)
+#define failIfTrueWithMessage(cond, msg) do { if ((cond)) failWithMessage(msg); } while (0)
+#define failIfTrueWithNameAndMessage(cond, before, name, msg) do { if ((cond)) failWithNameAndMessage(before, name, msg); } while (0)
+#define failIfTrueIfStrict(cond) do { if ((cond) && strictMode()) fail(); } while (0)
+#define failIfTrueIfStrictWithMessage(cond, msg) do { if ((cond) && strictMode()) failWithMessage(msg); } while (0)
+#define failIfTrueIfStrictWithNameAndMessage(cond, before, name, after) do { if ((cond) && strictMode()) failWithNameAndMessage(before, name, after); } while (0)
+#define failIfFalseIfStrict(cond) do { if ((!(cond)) && strictMode()) fail(); } while (0)
+#define failIfFalseIfStrictWithMessage(cond, msg) do { if ((!(cond)) && strictMode()) failWithMessage(msg); } while (0)
+#define failIfFalseIfStrictWithNameAndMessage(cond, before, name, after) do { if ((!(cond)) && strictMode()) failWithNameAndMessage(before, name, after); } while (0)
+#define consumeOrFail(tokenType) do { if (!consume(tokenType)) failWithToken(tokenType); } while (0)
+#define consumeOrFailWithFlags(tokenType, flags) do { if (!consume(tokenType, flags)) failWithToken(tokenType); } while (0)
+#define matchOrFail(tokenType) do { if (!match(tokenType)) failWithToken(tokenType); } while (0)
+#define failIfStackOverflow() do { failIfFalseWithMessage(canRecurse(), "Code nested too deeply."); } while (0)
+
+    // Macros to make the more common TreeBuilder types a little less verbose
 #define TreeStatement typename TreeBuilder::Statement
 #define TreeExpression typename TreeBuilder::Expression
 #define TreeFormalParameterList typename TreeBuilder::FormalParameterList