Files
carbon-lang/executable_semantics/BUILD
T
Jeremy G. Siek 3ea84c9276 adding optional else to executable semantics (#295)
* adding comments and some newlines

* added optonal else
2021-02-25 18:07:50 -05:00

111 lines
2.5 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")
load("//bazel/testing:golden_test.bzl", "golden_test")
cc_binary(
name = "executable_semantics",
srcs = ["main.cpp"],
deps = [":syntax"],
)
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/ast:declaration",
"//executable_semantics/ast:expression",
"//executable_semantics/ast:expression_or_field_list",
"//executable_semantics/interpreter",
],
)
genrule(
name = "syntax_bison_srcs",
srcs = ["syntax.ypp"],
outs = [
"syntax.tab.cpp",
"syntax.tab.h",
],
cmd = "bison " +
"--output=$(location syntax.tab.cpp) " +
"--defines=$(location syntax.tab.h) " +
"$(location syntax.ypp)",
)
genrule(
name = "syntax_flex_srcs",
srcs = ["syntax.lpp"],
outs = ["syntax.yy.cpp"],
cmd = "flex " +
"--outfile=$(location syntax.yy.cpp) " +
"$(location syntax.lpp)",
)
EXAMPLES = [
"block1",
"break1",
"choice1",
"continue1",
"fun_recur",
"fun1",
"fun2",
"fun3",
"fun4",
"fun5",
"fun6_fail_type",
"funptr1",
"if1",
"if2",
"if3",
"match_int_default",
"match_int",
"match_type",
"next",
"pattern_init",
"record1",
"struct1",
"struct2",
"struct3",
"tuple_assign",
"tuple_match",
"tuple1",
"tuple2",
"undef1",
"undef2",
"while1",
"zero",
]
[genrule(
name = "%s_out" % e,
srcs = ["testdata/%s.6c" % e],
outs = ["testdata/%s.out" % e],
# Suppress command errors.
cmd = "$(location executable_semantics) $< > $@ 2>&1 || true",
tools = [":executable_semantics"],
) for e in EXAMPLES]
[golden_test(
name = "%s_test" % e,
golden = "testdata/%s.golden" % e,
subject = "testdata/%s.out" % e,
) for e in EXAMPLES]