Files
carbon-lang/executable_semantics/syntax/BUILD
T

65 lines
1.8 KiB
Python

# 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
# TODO(https://github.com/carbon-language/carbon-lang/issues/266):
# Migrate bison/flex usage to a more hermetic bazel build.
load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
package(default_visibility = ["//executable_semantics:__subpackages__"])
cc_library(
name = "syntax",
srcs = [
"syntax.tab.cpp",
"syntax.yy.cpp",
"syntax_helpers.cpp",
"syntax_helpers.h",
],
hdrs = ["syntax.tab.h"],
# Disable warnings for generated code.
copts = [
"-Wno-unneeded-internal-declaration",
"-Wno-unused-function",
"-Wno-writable-strings",
],
deps = [
"//executable_semantics:tracing_flag",
"//executable_semantics/ast:declaration",
"//executable_semantics/ast:expression",
"//executable_semantics/ast:field_list",
"//executable_semantics/interpreter",
],
)
genrule(
name = "syntax_bison_srcs",
srcs = ["syntax.ypp"],
outs = [
"syntax.tab.cpp",
"syntax.tab.h",
],
cmd = "M4=$(M4) $(BISON) " +
"--output=$(location syntax.tab.cpp) " +
"--defines=$(location syntax.tab.h) " +
"$(location syntax.ypp)",
toolchains = [
"@rules_bison//bison:current_bison_toolchain",
"@rules_m4//m4:current_m4_toolchain",
],
)
genrule(
name = "syntax_flex_srcs",
srcs = ["syntax.lpp"],
outs = ["syntax.yy.cpp"],
cmd = "M4=$(M4) $(FLEX) " +
"--outfile=$(location syntax.yy.cpp) " +
"$(location syntax.lpp)",
toolchains = [
"@rules_flex//flex:current_flex_toolchain",
"@rules_m4//m4:current_m4_toolchain",
],
)