mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Jeremy G. Siek
bf6bb800c4
* improve abstraction for AssocList, fix bug in optional else * add flag for tracing output, clean up code for output * turned off tracing by default, updated goldens, removed two examples that use pointers, shouldn't have been there yet
117 lines
2.7 KiB
Python
117 lines
2.7 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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# TODO(https://github.com/carbon-language/carbon-lang/issues/266):
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# Migrate bison/flex usage to a more hermetic bazel build.
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load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
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load("//bazel/testing:golden_test.bzl", "golden_test")
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cc_binary(
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name = "executable_semantics",
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srcs = ["main.cpp"],
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deps = [":syntax"],
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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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"syntax.tab.cpp",
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"syntax.yy.cpp",
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"syntax_helpers.cpp",
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"syntax_helpers.h",
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],
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hdrs = ["syntax.tab.h"],
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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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"//executable_semantics/ast:declaration",
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"//executable_semantics/ast:expression",
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"//executable_semantics/ast:expression_or_field_list",
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"//executable_semantics/interpreter",
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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 = ["syntax.ypp"],
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outs = [
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"syntax.tab.cpp",
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"syntax.tab.h",
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],
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cmd = "M4=$(M4) $(BISON) " +
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"--output=$(location syntax.tab.cpp) " +
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"--defines=$(location syntax.tab.h) " +
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"$(location syntax.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 = ["syntax.lpp"],
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outs = ["syntax.yy.cpp"],
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cmd = "M4=$(M4) $(FLEX) " +
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"--outfile=$(location syntax.yy.cpp) " +
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"$(location syntax.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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EXAMPLES = [
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"block1",
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"break1",
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"choice1",
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"continue1",
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"fun_recur",
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"fun1",
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"fun2",
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"fun3",
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"fun4",
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"fun5",
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"fun6_fail_type",
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"funptr1",
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"if1",
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"if2",
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"if3",
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"match_int_default",
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"match_int",
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"match_type",
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"next",
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"pattern_init",
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"record1",
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"struct1",
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"struct2",
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"struct3",
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"tuple_assign",
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"tuple_match",
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"tuple1",
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"tuple2",
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"while1",
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"zero",
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]
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[genrule(
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name = "%s_out" % e,
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srcs = ["testdata/%s.6c" % e],
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outs = ["testdata/%s.out" % e],
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# Suppress command errors.
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cmd = "$(location executable_semantics) $< > $@ 2>&1 || echo EXIT CODE: $$? >> $@",
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tools = [":executable_semantics"],
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) for e in EXAMPLES]
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[golden_test(
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name = "%s_test" % e,
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golden = "testdata/%s.golden" % e,
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subject = "testdata/%s.out" % e,
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) for e in EXAMPLES]
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