gecko-dev/layout/base/nsAutoLayoutPhase.cpp

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2.5 KiB
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Исходник Обычный вид История

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef DEBUG
Bug 895322 - Part 1: Replace the usages of MOZ_STATIC_ASSERT with C++11 static_assert; r=Waldo This patch was mostly generated by running the following scripts on the codebase, with some manual changes made afterwards: # static_assert.sh #!/bin/bash # Command to convert an NSPR integer type to the equivalent standard integer type function convert() { echo "Converting $1 to $2..." find . ! -wholename "*nsprpub*" \ ! -wholename "*security/nss*" \ ! -wholename "*/.hg*" \ ! -wholename "obj-ff-dbg*" \ ! -name nsXPCOMCID.h \ ! -name prtypes.h \ -type f \ \( -iname "*.cpp" \ -o -iname "*.h" \ -o -iname "*.cc" \ -o -iname "*.mm" \) | \ xargs -n 1 `dirname $0`/assert_replacer.py #sed -i -e "s/\b$1\b/$2/g" } convert MOZ_STATIC_ASSERT static_assert hg rev --no-backup mfbt/Assertions.h \ media/webrtc/signaling/src/sipcc/core/includes/ccapi.h \ modules/libmar/src/mar_private.h \ modules/libmar/src/mar.h # assert_replacer.py #!/usr/bin/python import sys import re pattern = re.compile(r"\bMOZ_STATIC_ASSERT\b") def replaceInPlace(fname): print fname f = open(fname, "rw+") lines = f.readlines() for i in range(0, len(lines)): while True: index = re.search(pattern, lines[i]) if index != None: index = index.start() lines[i] = lines[i][0:index] + "static_assert" + lines[i][index+len("MOZ_STATIC_ASSERT"):] for j in range(i + 1, len(lines)): if lines[j].find(" ", index) == index: lines[j] = lines[j][0:index] + lines[j][index+4:] else: break else: break f.seek(0, 0) f.truncate() f.write("".join(lines)) f.close() argc = len(sys.argv) for i in range(1, argc): replaceInPlace(sys.argv[i]) --HG-- extra : rebase_source : 4b4a4047d82f2c205b9fad8d56dfc3f1afc0b045
2013-07-18 21:59:53 +04:00
static_assert(false, "This should not be compiled in !DEBUG");
#endif // DEBUG
#include "nsAutoLayoutPhase.h"
#include "nsPresContext.h"
#include "nsContentUtils.h"
nsAutoLayoutPhase::nsAutoLayoutPhase(nsPresContext* aPresContext,
nsLayoutPhase aPhase)
: mPresContext(aPresContext)
, mPhase(aPhase)
, mCount(0)
{
Enter();
}
nsAutoLayoutPhase::~nsAutoLayoutPhase()
{
Exit();
MOZ_ASSERT(mCount == 0, "imbalanced");
}
void
nsAutoLayoutPhase::Enter()
{
switch (mPhase) {
case eLayoutPhase_Paint:
MOZ_ASSERT(mPresContext->mLayoutPhaseCount[eLayoutPhase_Paint] == 0,
"recurring into paint");
MOZ_ASSERT(mPresContext->mLayoutPhaseCount[eLayoutPhase_Reflow] == 0,
"painting in the middle of reflow");
MOZ_ASSERT(mPresContext->mLayoutPhaseCount[eLayoutPhase_FrameC] == 0,
"painting in the middle of frame construction");
break;
case eLayoutPhase_Reflow:
MOZ_ASSERT(mPresContext->mLayoutPhaseCount[eLayoutPhase_Paint] == 0,
"reflowing in the middle of a paint");
MOZ_ASSERT(mPresContext->mLayoutPhaseCount[eLayoutPhase_Reflow] == 0,
"recurring into reflow");
MOZ_ASSERT(mPresContext->mLayoutPhaseCount[eLayoutPhase_FrameC] == 0,
"reflowing in the middle of frame construction");
break;
case eLayoutPhase_FrameC:
MOZ_ASSERT(mPresContext->mLayoutPhaseCount[eLayoutPhase_Paint] == 0,
"constructing frames in the middle of a paint");
MOZ_ASSERT(mPresContext->mLayoutPhaseCount[eLayoutPhase_Reflow] == 0,
"constructing frames in the middle of reflow");
MOZ_ASSERT(mPresContext->mLayoutPhaseCount[eLayoutPhase_FrameC] == 0,
"recurring into frame construction");
MOZ_ASSERT(!nsContentUtils::IsSafeToRunScript(),
"constructing frames and scripts are not blocked");
break;
case eLayoutPhase_COUNT:
break;
}
++(mPresContext->mLayoutPhaseCount[mPhase]);
++mCount;
}
void
nsAutoLayoutPhase::Exit()
{
MOZ_ASSERT(mCount > 0 && mPresContext->mLayoutPhaseCount[mPhase] > 0,
"imbalanced");
--(mPresContext->mLayoutPhaseCount[mPhase]);
--mCount;
}