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https://github.com/carbon-language/carbon-lang.git
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Jon Meow
721743bc58
Revives BisonWrap because this seems a reasonable use of it (avoiding the need to have an std::optional or pointer for Alternative, both of which I thought could be unclear about the intent).
102 lines
2.5 KiB
Python
102 lines
2.5 KiB
Python
# Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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# Exceptions. See /LICENSE for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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load("@mypy_integration//:mypy.bzl", "mypy_test")
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package(default_visibility = ["//executable_semantics:__pkg__"])
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cc_library(
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name = "bison_wrap",
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hdrs = ["bison_wrap.h"],
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deps = ["//common:check"],
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)
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cc_library(
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name = "syntax",
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srcs = [
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"lexer.cpp",
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"lexer.h",
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"parse.cpp",
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"parse_and_lex_context.cpp",
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"parse_and_lex_context.h",
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"parser.cpp",
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"parser.h",
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],
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hdrs = [
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"parse.h",
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],
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# Disable warnings for generated code.
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copts = [
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"-Wno-unneeded-internal-declaration",
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"-Wno-unused-function",
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"-Wno-writable-strings",
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],
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deps = [
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":bison_wrap",
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"//common:check",
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"//common:ostream",
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"//common:string_helpers",
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"//executable_semantics/ast",
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"//executable_semantics/ast:declaration",
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"//executable_semantics/ast:expression",
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"//executable_semantics/ast:paren_contents",
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"//executable_semantics/common:arena",
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"//executable_semantics/common:error",
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"//executable_semantics/common:tracing_flag",
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],
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)
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genrule(
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name = "syntax_bison_srcs",
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srcs = ["parser.ypp"],
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outs = [
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"parser.cpp",
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"parser.h",
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"parser.output",
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],
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cmd = "M4=$(M4) $(BISON) " +
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"--output=$(location parser.cpp) " +
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"--report=state " +
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"--defines=$(location parser.h) " +
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"$(location parser.ypp)",
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toolchains = [
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"@rules_bison//bison:current_bison_toolchain",
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"@rules_m4//m4:current_m4_toolchain",
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],
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)
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genrule(
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name = "syntax_flex_srcs",
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srcs = ["lexer.lpp"],
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outs = [
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"lexer.cpp",
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"lexer.h",
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],
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cmd = "M4=$(M4) $(FLEX) " +
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"--outfile=$(location lexer.cpp) " +
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"--header-file=$(location lexer.h) " +
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"$(location lexer.lpp)",
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toolchains = [
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"@rules_flex//flex:current_flex_toolchain",
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"@rules_m4//m4:current_m4_toolchain",
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],
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)
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py_library(
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name = "format_grammar_lib",
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srcs = ["format_grammar.py"],
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)
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py_test(
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name = "format_grammar_test",
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srcs = ["format_grammar_test.py"],
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deps = ["format_grammar_lib"],
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)
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mypy_test(
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name = "format_grammar_mypy_test",
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include_imports = True,
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deps = [":format_grammar_lib"],
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)
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