mirror of
https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
86aecb532f
Also Lower::Make to LowerToLLVM, removing the class for now. This is per request from chandlerc and zygoloid.
82 lines
2.5 KiB
Python
82 lines
2.5 KiB
Python
__copyright__ = """
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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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"""
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import lit.formats
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import os
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from pathlib import Path
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# This is a provided variable, ignore the undefined name warning.
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config = config # noqa: F821
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def fullpath(relative_path):
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return Path(os.environ["TEST_SRCDIR"]).joinpath(relative_path)
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def add_substitution(before, after):
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"""Adds a substitution to the config. Wraps before as `%{before}`."""
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config.substitutions.append((f"%{{{before}}}", after))
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def add_substitutions():
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"""Adds required substitutions to the config."""
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tools = {
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"carbon": fullpath("carbon/toolchain/driver/carbon"),
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"explorer": fullpath("carbon/explorer/explorer"),
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"explorer_prelude": fullpath("carbon/explorer/data/prelude.carbon"),
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"filecheck": fullpath("llvm-project/llvm/FileCheck"),
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"not": fullpath("llvm-project/llvm/not"),
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"merge_output": fullpath("carbon/bazel/testing/merge_output"),
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}
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run_carbon = f"{tools['merge_output']} {tools['carbon']}"
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run_explorer = (
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f"{tools['merge_output']} {tools['explorer']} %s "
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f"--prelude={tools['explorer_prelude']}"
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)
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filecheck_allow_unmatched = (
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f"{tools['filecheck']} %s --match-full-lines --strict-whitespace"
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)
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filecheck_strict = (
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f"{filecheck_allow_unmatched} --implicit-check-not={{{{.}}}}"
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)
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add_substitution("carbon", f"{run_carbon}")
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add_substitution(
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"carbon-run-lowering",
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f"{run_carbon} dump llvm-ir %s | {filecheck_strict}",
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)
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add_substitution(
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"carbon-run-parser",
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f"{run_carbon} dump parse-tree %s | {filecheck_strict}",
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)
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add_substitution(
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"carbon-run-semantics",
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f"{run_carbon} dump semantics-ir %s | {filecheck_strict}",
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)
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add_substitution(
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"carbon-run-tokens", f"{run_carbon} dump tokens %s | {filecheck_strict}"
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)
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add_substitution(
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"explorer-run",
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f"{run_explorer} | {filecheck_strict}",
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)
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add_substitution(
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"explorer-run-trace",
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f"{run_explorer} --parser_debug --trace_file=- | "
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f"{filecheck_allow_unmatched}",
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)
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add_substitution("FileCheck-allow-unmatched", filecheck_allow_unmatched)
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add_substitution("FileCheck-strict", filecheck_strict)
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add_substitution("not", tools["not"])
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config.name = "lit"
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config.suffixes = [".carbon"]
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config.test_format = lit.formats.ShTest()
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add_substitutions()
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