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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.
# This modules provides functionality for dealing with code completion.
from mach.decorators import Command, CommandArgument
from mozbuild.shellutil import quote as shell_quote
from mozbuild.shellutil import split as shell_split
# Instropection commands.
@Command(
"compileflags",
category="devenv",
description="Display the compilation flags for a given source file",
)
@CommandArgument(
"what", default=None, help="Source file to display compilation flags for"
)
def compileflags(command_context, what):
from mozbuild.compilation import util
from mozbuild.util import resolve_target_to_make
if not util.check_top_objdir(command_context.topobjdir):
return 1
path_arg = command_context._wrap_path_argument(what)
make_dir, make_target = resolve_target_to_make(
command_context.topobjdir, path_arg.relpath()
)
if make_dir is None and make_target is None:
return 1
build_vars = util.get_build_vars(make_dir, command_context)
if what.endswith(".c"):
cc = "CC"
name = "COMPILE_CFLAGS"
else:
cc = "CXX"
name = "COMPILE_CXXFLAGS"
if name not in build_vars:
return
# Drop the first flag since that is the pathname of the compiler.
flags = (shell_split(build_vars[cc]) + shell_split(build_vars[name]))[1:]
print(" ".join(shell_quote(arg) for arg in util.sanitize_cflags(flags)))
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