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DEBUG-only code to catch format arg count vs. arg specifier mismatch (346773, r=dbaron).

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brendan%mozilla.org 2006-08-01 07:00:26 +00:00
parent 5a3c477471
commit 9b38470bd3
1 changed files with 27 additions and 10 deletions
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37
js/src/jsapi.c
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@ -1,5 +1,5 @@
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sw=4 et tw=80:
* vim: set ts=8 sw=4 et tw=78:
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
@ -652,19 +652,36 @@ JS_NewRuntime(uint32 maxbytes)
JSRuntime *rt;
#ifdef DEBUG
JS_BEGIN_MACRO
/*
* This code asserts that the numbers associated with the error names in
* jsmsg.def are monotonically increasing. It uses values for the error
* names enumerated in jscntxt.c. It's not a compiletime check, but it's
* better than nothing.
*/
int errorNumber = 0;
#define MSG_DEF(name, number, count, exception, format) \
static JSBool didFirstChecks;
if (!didFirstChecks) {
/*
* This code asserts that the numbers associated with the error names
* in jsmsg.def are monotonically increasing. It uses values for the
* error names enumerated in jscntxt.c. It's not a compile-time check
* but it's better than nothing.
*/
int errorNumber = 0;
#define MSG_DEF(name, number, count, exception, format) \
JS_ASSERT(name == errorNumber++);
#include "js.msg"
#undef MSG_DEF
#define MSG_DEF(name, number, count, exception, format) \
JS_BEGIN_MACRO \
uintN numfmtspecs = 0; \
const char *fmt; \
for (fmt = format; *fmt != '\0'; fmt++) { \
if (*fmt == '{' && isdigit(fmt[1])) \
++numfmtspecs; \
} \
JS_ASSERT(count == numfmtspecs); \
JS_END_MACRO;
#include "js.msg"
#undef MSG_DEF
didFirstChecks = JS_TRUE;
}
#endif /* DEBUG */
rt = (JSRuntime *) malloc(sizeof(JSRuntime));