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f27a977d86e2a4f2af91d9b1a668c2ed299bd055
carbon-lang/toolchain/lex/BUILD
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Chandler Carruth f27a977d86 Fix ASan CI failures due to preserve_none (#8045) 
These only show up post-merge as we're only running ASan there.

This disables the recent `[[clang::preserve_none]]` optimization when
ASan is enabled as there is an LLVM bug on AArch64 that causes register
corruption with that calling convention. This is factored into a common
helper library so we can use it in other places as well.

Assisted-by: Antigravity with Gemini
2026-10-27 21:05:53 +00:00

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# Part of the Carbon Language project, under the Apache License v2.0 with LLVM
# Exceptions. See /LICENSE for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
load("//bazel/cc_rules:defs.bzl", "cc_binary", "cc_library", "cc_test")
load("//testing/fuzzing:rules.bzl", "cc_fuzz_test")
package(default_visibility = ["//visibility:public"])
filegroup(
name = "testdata",
srcs = glob(["testdata/**/*.carbon"]),
)
cc_library(
name = "token_kind",
srcs = ["token_kind.cpp"],
hdrs = ["token_kind.h"],
textual_hdrs = ["token_kind.def"],
deps = [
"//common:check",
"//common:enum_base",
"@llvm-project//llvm:Support",
],
)
cc_test(
name = "token_kind_test",
size = "small",
srcs = ["token_kind_test.cpp"],
deps = [
":token_kind",
"//testing/base:gtest_main",
"@googletest//:gtest",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "character_set",
hdrs = ["character_set.h"],
deps = ["@llvm-project//llvm:Support"],
)
cc_library(
name = "helpers",
srcs = ["helpers.cpp"],
hdrs = ["helpers.h"],
deps = [
"//toolchain/diagnostics:emitter",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "test_helpers",
testonly = 1,
hdrs = ["test_helpers.h"],
deps = [
"//common:check",
"//common:string_helpers",
"//toolchain/diagnostics:emitter",
"@googletest//:gtest",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "numeric_literal",
srcs = ["numeric_literal.cpp"],
hdrs = ["numeric_literal.h"],
deps = [
":character_set",
":helpers",
"//common:check",
"//toolchain/base:int",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:format_providers",
"@llvm-project//llvm:Support",
],
)
cc_binary(
name = "numeric_literal_benchmark",
testonly = 1,
srcs = ["numeric_literal_benchmark.cpp"],
deps = [
":numeric_literal",
"//common:check",
"//testing/base:benchmark_main",
"//toolchain/diagnostics:null_diagnostics",
"@google_benchmark//:benchmark",
],
)
cc_test(
name = "numeric_literal_test",
size = "small",
srcs = ["numeric_literal_test.cpp"],
deps = [
":numeric_literal",
":test_helpers",
"//common:check",
"//common:ostream",
"//testing/base:gtest_main",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:renderer",
"@googletest//:gtest",
"@llvm-project//llvm:Support",
],
)
cc_fuzz_test(
name = "numeric_literal_fuzzer",
size = "small",
srcs = ["numeric_literal_fuzzer.cpp"],
corpus = glob(["fuzzer_corpus/numeric_literal/*"]),
deps = [
":numeric_literal",
"//testing/fuzzing:libfuzzer_header",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:null_diagnostics",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "string_literal",
srcs = ["string_literal.cpp"],
hdrs = ["string_literal.h"],
deps = [
":character_set",
":helpers",
":token_info",
"//common:check",
"//toolchain/diagnostics:emitter",
"@llvm-project//llvm:Support",
],
)
cc_binary(
name = "string_literal_benchmark",
testonly = 1,
srcs = ["string_literal_benchmark.cpp"],
deps = [
":string_literal",
"//testing/base:benchmark_main",
"//toolchain/diagnostics:null_diagnostics",
"@google_benchmark//:benchmark",
],
)
cc_test(
name = "string_literal_test",
size = "small",
srcs = ["string_literal_test.cpp"],
deps = [
":string_literal",
":test_helpers",
"//common:check",
"//common:ostream",
"//testing/base:gtest_main",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:renderer",
"@googletest//:gtest",
"@llvm-project//llvm:Support",
],
)
cc_fuzz_test(
name = "string_literal_fuzzer",
size = "small",
srcs = ["string_literal_fuzzer.cpp"],
corpus = glob(["fuzzer_corpus/string_literal/*"]),
deps = [
":string_literal",
"//common:check",
"//testing/fuzzing:libfuzzer_header",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:null_diagnostics",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "lex",
srcs = ["lex.cpp"],
hdrs = ["lex.h"],
deps = [
":character_set",
":helpers",
":mismatched_brackets",
":numeric_literal",
":string_literal",
":token_index",
":token_info",
":token_kind",
":tokenized_buffer",
"//common:check",
"//common:preserve_none",
"//common:vlog",
"//toolchain/base:kind_switch",
"//toolchain/base:shared_value_stores",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:format_providers",
"//toolchain/diagnostics:renderer",
"//toolchain/source:source_buffer",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "mismatched_brackets",
srcs = ["mismatched_brackets.cpp"],
hdrs = ["mismatched_brackets.h"],
deps = [
":token_index",
":token_kind",
"//common:check",
"//common:hashing",
"//common:map",
"//toolchain/base:index_base",
"@llvm-project//llvm:Support",
],
)
cc_binary(
name = "mismatched_brackets_benchmark",
testonly = 1,
srcs = ["mismatched_brackets_benchmark.cpp"],
deps = [
":lex",
":mismatched_brackets",
":token_index",
":tokenized_buffer",
"//common:check",
"//testing/base:benchmark_helpers",
"//testing/base:benchmark_main",
"//toolchain/base:shared_value_stores",
"//toolchain/benchmarking:source_gen_lib",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:null_diagnostics",
"//toolchain/source:source_buffer",
"@abseil-cpp//absl/random",
"@google_benchmark//:benchmark",
"@llvm-project//llvm:Support",
],
)
cc_test(
name = "mismatched_brackets_test",
size = "small",
srcs = ["mismatched_brackets_test.cpp"],
deps = [
":mismatched_brackets",
":token_index",
":token_kind",
"//testing/base:gtest_main",
"@googletest//:gtest",
],
)
cc_binary(
name = "mismatched_brackets_eval",
testonly = 1,
srcs = ["mismatched_brackets_eval.cpp"],
deps = [
":lex",
":mismatched_brackets",
":token_kind",
":tokenized_buffer",
"//common:bazel_working_dir",
"//common:check",
"//common:command_line",
"//common:init_llvm",
"//common:ostream",
"//toolchain/base:shared_value_stores",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:null_diagnostics",
"//toolchain/source:source_buffer",
"@llvm-project//llvm:Support",
],
)
cc_fuzz_test(
name = "mismatched_brackets_fuzzer",
size = "small",
srcs = ["mismatched_brackets_fuzzer.cpp"],
corpus = glob(["fuzzer_corpus/mismatched_brackets/*"]),
deps = [
":mismatched_brackets",
"//common:check",
"//testing/fuzzing:libfuzzer_header",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "dump",
srcs = ["dump.cpp"],
hdrs = ["dump.h"],
deps = [
":token_index",
":tokenized_buffer",
"//common:raw_string_ostream",
],
# Always link dump methods.
alwayslink = 1,
)
cc_library(
name = "token_index",
hdrs = ["token_index.h"],
deps = [
":token_kind",
"//toolchain/base:index_base",
],
)
cc_library(
name = "token_info",
hdrs = ["token_info.h"],
deps = [
":token_index",
":token_kind",
"//common:check",
"//toolchain/base:int",
"//toolchain/base:value_ids",
],
)
cc_library(
name = "tokenized_buffer",
srcs = ["tokenized_buffer.cpp"],
hdrs = ["tokenized_buffer.h"],
deps = [
":character_set",
":helpers",
":numeric_literal",
":string_literal",
":token_index",
":token_info",
":token_kind",
"//common:check",
"//common:ostream",
"//common:string_helpers",
"//toolchain/base:index_base",
"//toolchain/base:mem_usage",
"//toolchain/base:shared_value_stores",
"//toolchain/base:value_store",
"//toolchain/diagnostics:emitter",
"//toolchain/source:source_buffer",
"@llvm-project//llvm:Support",
],
)
cc_library(
name = "tokenized_buffer_test_helpers",
testonly = 1,
hdrs = ["tokenized_buffer_test_helpers.h"],
deps = [
":lex",
":tokenized_buffer",
"//common:check",
"//toolchain/base:shared_value_stores",
"@googletest//:gtest",
"@llvm-project//llvm:Support",
],
)
cc_test(
name = "tokenized_buffer_test",
size = "small",
srcs = ["tokenized_buffer_test.cpp"],
deps = [
":lex",
":token_kind",
":tokenized_buffer",
":tokenized_buffer_test_helpers",
"//common:raw_string_ostream",
"//testing/base:gtest_main",
"//toolchain/base:shared_value_stores",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:mocks",
"//toolchain/testing:compile_helper",
"//toolchain/testing:yaml_test_helpers",
"@googletest//:gtest",
"@llvm-project//llvm:Support",
],
)
cc_fuzz_test(
name = "tokenized_buffer_fuzzer",
size = "small",
srcs = ["tokenized_buffer_fuzzer.cpp"],
corpus = glob(["fuzzer_corpus/tokenized_buffer/*"]),
deps = [
":lex",
"//common:check",
"//testing/fuzzing:libfuzzer_header",
"//toolchain/base:shared_value_stores",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:null_diagnostics",
"@llvm-project//llvm:Support",
],
)
cc_binary(
name = "tokenized_buffer_benchmark",
testonly = 1,
srcs = ["tokenized_buffer_benchmark.cpp"],
deps = [
":lex",
":token_kind",
":tokenized_buffer",
"//common:check",
"//common:raw_string_ostream",
"//testing/base:benchmark_helpers",
"//testing/base:benchmark_main",
"//toolchain/base:shared_value_stores",
"//toolchain/benchmarking:source_gen_lib",
"//toolchain/diagnostics:emitter",
"//toolchain/diagnostics:null_diagnostics",
"//toolchain/diagnostics:renderer",
"@abseil-cpp//absl/random",
"@google_benchmark//:benchmark",
"@llvm-project//llvm:Support",
],
)
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