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Ensure that objects on stack that close traces have unique variable names. (flutter/engine#6298)

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This commit is contained in:
Chinmay Garde 2018-09-22 14:46:29 -07:00 committed by GitHub
parent c6a27001b8
commit 7cebfdf58e
1 changed files with 9 additions and 3 deletions
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12
engine/src/flutter/fml/trace_event.h
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@ -33,19 +33,25 @@
#ifndef TRACE_EVENT_HIDE_MACROS
#define __FML__TOKEN_CAT__(x, y) x##y
#define __FML__TOKEN_CAT__2(x, y) __FML__TOKEN_CAT__(x, y)
#define __FML__AUTO_TRACE_END(name) \
::fml::tracing::ScopedInstantEnd __FML__TOKEN_CAT__2(__trace_end_, \
__LINE__)(name);
#define TRACE_EVENT0(category_group, name) \
::fml::tracing::TraceEvent0(category_group, name); \
::fml::tracing::ScopedInstantEnd __trace_end0_##__LINE__(name);
__FML__AUTO_TRACE_END(name)
#define TRACE_EVENT1(category_group, name, arg1_name, arg1_val) \
::fml::tracing::TraceEvent1(category_group, name, arg1_name, arg1_val); \
::fml::tracing::ScopedInstantEnd __trace_end1_##__LINE__(name);
__FML__AUTO_TRACE_END(name)
#define TRACE_EVENT2(category_group, name, arg1_name, arg1_val, arg2_name, \
arg2_val) \
::fml::tracing::TraceEvent2(category_group, name, arg1_name, arg1_val, \
arg2_name, arg2_val); \
::fml::tracing::ScopedInstantEnd __trace_end2_##__LINE__(name);
__FML__AUTO_TRACE_END(name)
#define TRACE_EVENT_ASYNC_BEGIN0(category_group, name, id) \
::fml::tracing::TraceEventAsyncBegin0(category_group, name, id);