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tint: fix clang-cl compilation 

* Disabling warnings was using the MSVC codepath
* Required to disable a float comparison on lexer.cc for clang

Change-Id: Ie3123593ebba2bffe34bff490ff76d5bdbd7d40d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/116240
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ángel Eduardo García Hernández 2023-01-04 12:35:39 +00:00 committed by Dawn LUCI CQ
parent f3f813eb0c
commit 0fa5fb16bd
2 changed files with 6 additions and 1 deletions
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2
src/tint/reader/wgsl/lexer.cc
View File

@ -405,11 +405,13 @@ Token Lexer::try_float() {
}
}
TINT_BEGIN_DISABLE_WARNING(FLOAT_EQUAL);
if (value == HUGE_VAL || -value == HUGE_VAL) {
return {Token::Type::kError, source, "value cannot be represented as 'abstract-float'"};
} else {
return {Token::Type::kFloatLiteral, source, value};
}
TINT_END_DISABLE_WARNING(FLOAT_EQUAL);
}
Token Lexer::try_hex_float() {

5
src/tint/utils/compiler_macros.h
View File

@ -19,7 +19,7 @@
#define TINT_REQUIRE_SEMICOLON static_assert(true)
#if defined(_MSC_VER)
#if defined(_MSC_VER) && !defined(__clang__)
////////////////////////////////////////////////////////////////////////////////
// MSVC
////////////////////////////////////////////////////////////////////////////////
@ -30,6 +30,7 @@
#define TINT_DISABLE_WARNING_SIGN_CONVERSION /* currently no-op */
#define TINT_DISABLE_WARNING_UNREACHABLE_CODE __pragma(warning(disable : 4702))
#define TINT_DISABLE_WARNING_WEAK_VTABLES /* currently no-op */
#define TINT_DISABLE_WARNING_FLOAT_EQUAL /* currently no-op */
// clang-format off
#define TINT_BEGIN_DISABLE_WARNING(name) \
@ -52,6 +53,7 @@
_Pragma("clang diagnostic ignored \"-Wsign-conversion\"")
#define TINT_DISABLE_WARNING_UNREACHABLE_CODE /* currently no-op */
#define TINT_DISABLE_WARNING_WEAK_VTABLES _Pragma("clang diagnostic ignored \"-Wweak-vtables\"")
#define TINT_DISABLE_WARNING_FLOAT_EQUAL _Pragma("clang diagnostic ignored \"-Wfloat-equal\"")
// clang-format off
#define TINT_BEGIN_DISABLE_WARNING(name) \
@ -74,6 +76,7 @@
#define TINT_DISABLE_WARNING_SIGN_CONVERSION /* currently no-op */
#define TINT_DISABLE_WARNING_UNREACHABLE_CODE /* currently no-op */
#define TINT_DISABLE_WARNING_WEAK_VTABLES /* currently no-op */
#define TINT_DISABLE_WARNING_FLOAT_EQUAL /* currently no-op */
// clang-format off
#define TINT_BEGIN_DISABLE_WARNING(name) \