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5647f2908d
Re-application of the Dexter builder removal reversed due to continued errors on the green dragon LLDB buildbot: https://green.lab.llvm.org/green/view/LLDB/job/lldb-cmake/59716/ Cause of the error is unclear, but it looks as though there is some unexpected non-determinism in the test failures. This reverts commit 323270451d8db24f2c816f455b3d8f70f434286d.
128 lines
4.1 KiB
Python
128 lines
4.1 KiB
Python
# DExTer : Debugging Experience Tester
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# ~~~~~~ ~ ~~ ~ ~~
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#
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# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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"""Deals with the processing execution of shell or batch build scripts."""
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import os
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import subprocess
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import unittest
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from dex.dextIR import BuilderIR
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from dex.utils import Timer
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from dex.utils.Exceptions import BuildScriptException
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def _quotify(text):
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if '"' in text or " " not in text:
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return text
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return '"{}"'.format(text)
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def _get_script_environment(
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source_files, compiler_options, linker_options, executable_file
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):
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source_files = [_quotify(f) for f in source_files]
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object_files = [_quotify("{}.o".format(os.path.basename(f))) for f in source_files]
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source_indexes = ["{:02d}".format(i + 1) for i in range(len(source_files))]
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env_variables = {}
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env_variables["SOURCE_INDEXES"] = " ".join(source_indexes)
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env_variables["SOURCE_FILES"] = " ".join(source_files)
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env_variables["OBJECT_FILES"] = " ".join(object_files)
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env_variables["LINKER_OPTIONS"] = linker_options
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for i, _ in enumerate(source_files):
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index = source_indexes[i]
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env_variables["SOURCE_FILE_{}".format(index)] = source_files[i]
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env_variables["OBJECT_FILE_{}".format(index)] = object_files[i]
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env_variables["COMPILER_OPTIONS_{}".format(index)] = compiler_options[i]
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env_variables["EXECUTABLE_FILE"] = executable_file
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return env_variables
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def run_external_build_script(
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context,
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script_path,
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source_files,
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compiler_options,
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linker_options,
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executable_file,
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):
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"""Build an executable using a builder script.
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The executable is saved to `context.working_directory.path`.
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Returns:
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( stdout (str), stderr (str), builder (BuilderIR) )
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"""
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builderIR = BuilderIR(
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name=context.options.builder,
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cflags=compiler_options,
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ldflags=linker_options,
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)
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assert len(source_files) == len(compiler_options), (source_files, compiler_options)
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script_environ = _get_script_environment(
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source_files, compiler_options, linker_options, executable_file
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)
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env = dict(os.environ)
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env.update(script_environ)
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try:
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with Timer("running build script"):
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process = subprocess.Popen(
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[script_path],
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cwd=context.working_directory.path,
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env=env,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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)
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out, err = process.communicate()
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returncode = process.returncode
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out = out.decode("utf-8")
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err = err.decode("utf-8")
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if returncode != 0:
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raise BuildScriptException(
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"{}: failed with returncode {}.\nstdout:\n{}\n\nstderr:\n{}\n".format(
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script_path, returncode, out, err
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),
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script_error=err,
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)
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return out, err, builderIR
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except OSError as e:
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raise BuildScriptException("{}: {}".format(e.strerror, script_path))
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class TestBuilder(unittest.TestCase):
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def test_get_script_environment(self):
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source_files = ["a.a", "b.b"]
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compiler_options = ["-option1 value1", "-option2 value2"]
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linker_options = "-optionX valueX"
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executable_file = "exe.exe"
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env = _get_script_environment(
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source_files, compiler_options, linker_options, executable_file
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)
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assert env["SOURCE_FILES"] == "a.a b.b"
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assert env["OBJECT_FILES"] == "a.a.o b.b.o"
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assert env["SOURCE_INDEXES"] == "01 02"
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assert env["LINKER_OPTIONS"] == "-optionX valueX"
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assert env["SOURCE_FILE_01"] == "a.a"
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assert env["SOURCE_FILE_02"] == "b.b"
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assert env["OBJECT_FILE_01"] == "a.a.o"
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assert env["OBJECT_FILE_02"] == "b.b.o"
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assert env["EXECUTABLE_FILE"] == "exe.exe"
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assert env["COMPILER_OPTIONS_01"] == "-option1 value1"
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assert env["COMPILER_OPTIONS_02"] == "-option2 value2"
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