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12c03761
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2018-01-25T12:22:33
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Resubmit: Use ImmutableString for HLSL texture references
This fixes an issue in the original revision of this patch by adding
a operator<< to TInfoSinkBase that takes ImmutableString as a
parameter.
This also adds ImmutableStringBuilder class, which can be used to
build ImmutableStrings in place without extra allocations if the
maximum length is known in advance.
BUG=angleproject:2267
TEST=angle_unittests
Change-Id: I52e984657a3aba3e6fe67a82b401c6b8de557d18
Reviewed-on: https://chromium-review.googlesource.com/890522
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
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d1434c04
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2018-01-29T02:29:53
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Revert "Use ImmutableString for HLSL texture references"
This reverts commit c13bda8678e86ff75a4acfc94f7a45e58224926d.
Reason for revert: May have broken LibFuzzer and AFL builds:
https://ci.chromium.org/buildbot/chromium.fyi/Afl%20Upload%20Linux%20ASan/7718
https://build.chromium.org/deprecated/chromium.fyi/builders/Libfuzzer%20Upload%20Linux%20ASan/builds/8691
In file included from ../../third_party/angle/src/compiler/translator/TextureFunctionHLSL.cpp:12:
In file included from ../../third_party/angle/src/compiler/translator/TextureFunctionHLSL.h:19:
../../third_party/angle/src/compiler/translator/InfoSink.h:40:16: error: call to function 'operator<<' that is neither visible in the template definition nor found by argument-dependent lookup
stream << t;
^
../../third_party/angle/src/compiler/translator/TextureFunctionHLSL.cpp:111:9: note: in instantiation of function template specialization 'sh::TInfoSinkBase::operator<<<sh::ImmutableString>' requested here
out << textureReference;
^
../../third_party/angle/src/compiler/translator/ImmutableString.h:76:15: note: 'operator<<' should be declared prior to the call site or in namespace 'sh'
std::ostream &operator<<(std::ostream &os, const sh::ImmutableString &str);
^
1 error generated.
Bug: chromium:806619
Original change's description:
> Use ImmutableString for HLSL texture references
>
> This also adds ImmutableStringBuilder class, which can be used to
> build ImmutableStrings in place without extra allocations if the
> maximum length is known in advance.
>
> BUG=angleproject:2267
> TEST=angle_unittests
>
> Change-Id: I4dfb78adeb0cffcfad0d25753fb8063466012c92
> Reviewed-on: https://chromium-review.googlesource.com/886362
> Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
> Reviewed-by: Jamie Madill <jmadill@chromium.org>
TBR=jmadill@chromium.org,cwallez@chromium.org,oetuaho@nvidia.com
# Not skipping CQ checks because original CL landed > 1 day ago.
Bug: angleproject:2267
Change-Id: I445f5a786f8b16c3f40f28df09d45fcb215a9c88
Reviewed-on: https://chromium-review.googlesource.com/890542
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
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c13bda86
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2018-01-25T12:22:33
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Use ImmutableString for HLSL texture references
This also adds ImmutableStringBuilder class, which can be used to
build ImmutableStrings in place without extra allocations if the
maximum length is known in advance.
BUG=angleproject:2267
TEST=angle_unittests
Change-Id: I4dfb78adeb0cffcfad0d25753fb8063466012c92
Reviewed-on: https://chromium-review.googlesource.com/886362
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
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2d8e432a
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2018-01-22T14:12:46
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Add ImmutableString to encapsulate some compiler strings
The new ImmutableString class is intended to be used instead of plain
const char pointers to pool-allocated or static memory.
It has the following advantages over using plain const char pointers:
1. It makes it clear when a string is guaranteed to be safe to pass
around inside the compiler.
2. It can be compared with a comparison operator rather than using
strcmp, which is easier to read.
3. It records the length of the stored string, which enables faster
copies and comparisons in some cases.
4. ImmutableStrings could be implicitly converted from std::strings
when a pool-allocated string is required. This is robust and
convenient.
C++17 has a similar class std::string_view, but our code style doesn't
allow it yet. We also couldn't use it as is if we require properties
1 and 4 from above, but would rather need to inherit or wrap it in a
custom class.
Eventually all current usage of TString could be replaced with
ImmutableString. For now, use it for unmangled built-in names.
TEST=angle_unittests
BUG=angleproject:2267
Change-Id: Id60c7b544032e06460e1b99837e429bc84dc4367
Reviewed-on: https://chromium-review.googlesource.com/881020
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
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