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126 lines
4.9 KiB
C
126 lines
4.9 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef jsstaticcheck_h___
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#define jsstaticcheck_h___
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#ifdef NS_STATIC_CHECKING
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/*
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* Trigger a control flow check to make sure that code flows through label
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*/
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inline __attribute__ ((unused)) void MUST_FLOW_THROUGH(const char *label) {
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}
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/* avoid unused goto-label warnings */
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#define MUST_FLOW_LABEL(label) goto label; label:
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inline JS_FORCES_STACK void VOUCH_DOES_NOT_REQUIRE_STACK() {}
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inline JS_FORCES_STACK void
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JS_ASSERT_NOT_ON_TRACE(JSContext *cx)
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{
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JS_ASSERT(!JS_ON_TRACE(cx));
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}
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#else
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#define MUST_FLOW_THROUGH(label) ((void) 0)
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#define MUST_FLOW_LABEL(label)
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#define VOUCH_DOES_NOT_REQUIRE_STACK() ((void) 0)
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#define JS_ASSERT_NOT_ON_TRACE(cx) JS_ASSERT(!JS_ON_TRACE(cx))
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#endif
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#define VOUCH_HAVE_STACK VOUCH_DOES_NOT_REQUIRE_STACK
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/* sixgill annotation defines */
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/* Avoid name collision if included with other headers defining annotations. */
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#ifndef HAVE_STATIC_ANNOTATIONS
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#define HAVE_STATIC_ANNOTATIONS
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#ifdef XGILL_PLUGIN
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#define STATIC_PRECONDITION(COND) __attribute__((precondition(#COND)))
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#define STATIC_PRECONDITION_ASSUME(COND) __attribute__((precondition_assume(#COND)))
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#define STATIC_POSTCONDITION(COND) __attribute__((postcondition(#COND)))
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#define STATIC_POSTCONDITION_ASSUME(COND) __attribute__((postcondition_assume(#COND)))
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#define STATIC_INVARIANT(COND) __attribute__((invariant(#COND)))
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#define STATIC_INVARIANT_ASSUME(COND) __attribute__((invariant_assume(#COND)))
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/* Used to make identifiers for assert/assume annotations in a function. */
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#define STATIC_PASTE2(X,Y) X ## Y
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#define STATIC_PASTE1(X,Y) STATIC_PASTE2(X,Y)
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#define STATIC_ASSERT(COND) \
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JS_BEGIN_MACRO \
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__attribute__((assert_static(#COND), unused)) \
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int STATIC_PASTE1(assert_static_, __COUNTER__); \
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JS_END_MACRO
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#define STATIC_ASSUME(COND) \
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JS_BEGIN_MACRO \
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__attribute__((assume_static(#COND), unused)) \
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int STATIC_PASTE1(assume_static_, __COUNTER__); \
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JS_END_MACRO
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#define STATIC_ASSERT_RUNTIME(COND) \
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JS_BEGIN_MACRO \
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__attribute__((assert_static_runtime(#COND), unused)) \
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int STATIC_PASTE1(assert_static_runtime_, __COUNTER__); \
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JS_END_MACRO
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#else /* XGILL_PLUGIN */
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#define STATIC_PRECONDITION(COND) /* nothing */
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#define STATIC_PRECONDITION_ASSUME(COND) /* nothing */
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#define STATIC_POSTCONDITION(COND) /* nothing */
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#define STATIC_POSTCONDITION_ASSUME(COND) /* nothing */
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#define STATIC_INVARIANT(COND) /* nothing */
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#define STATIC_INVARIANT_ASSUME(COND) /* nothing */
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#define STATIC_ASSERT(COND) JS_BEGIN_MACRO /* nothing */ JS_END_MACRO
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#define STATIC_ASSUME(COND) JS_BEGIN_MACRO /* nothing */ JS_END_MACRO
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#define STATIC_ASSERT_RUNTIME(COND) JS_BEGIN_MACRO /* nothing */ JS_END_MACRO
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#endif /* XGILL_PLUGIN */
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#define STATIC_SKIP_INFERENCE STATIC_INVARIANT(skip_inference())
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#endif /* HAVE_STATIC_ANNOTATIONS */
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#endif /* jsstaticcheck_h___ */
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