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- """Provides go_yacc and genfile_check_test
- Copyright 2016 Google Inc. All Rights Reserved.
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
- http://www.apache.org/licenses/LICENSE-2.0
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- """
- _GO_YACC_TOOL = "@org_golang_x_tools//cmd/goyacc"
- def go_yacc(src, out, visibility=None):
- """Runs go tool yacc -o $out $src."""
- native.genrule(
- name = src + ".go_yacc",
- srcs = [src],
- outs = [out],
- tools = [_GO_YACC_TOOL],
- cmd = ("export GOROOT=$$(dirname $(location " + _GO_YACC_TOOL + "))/..;" +
- " $(location " + _GO_YACC_TOOL + ") " +
- " -o $(location " + out + ") $(SRCS)"),
- visibility = visibility,
- local = 1,
- )
- def genfile_check_test(src, gen):
- """Asserts that any checked-in generated code matches regen."""
- if not src:
- fail("src is required", "src")
- if not gen:
- fail("gen is required", "gen")
- native.genrule(
- name = src + "_checksh",
- outs = [src + "_check.sh"],
- cmd = "echo 'diff $$@' > $@",
- )
- native.sh_test(
- name = src + "_checkshtest",
- size = "small",
- srcs = [src + "_check.sh"],
- data = [src, gen],
- args = ["$(location " + src + ")", "$(location " + gen + ")"],
- )
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