mirror of https://github.com/mpv-player/mpv
68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
|
#!/usr/bin/env python
|
||
|
|
# encoding: utf-8
|
||
|
|
# Christoph Koke, 2013
|
||
|
|
# Original source: waflib/extras/clang_compilation_database.py from
|
||
|
|
# waf git 15d14c7bdf2e (New BSD License)
|
||
|
|
|
||
|
|
"""
|
||
|
|
Writes the c and cpp compile commands into build/compile_commands.json
|
||
|
|
see http://clang.llvm.org/docs/JSONCompilationDatabase.html
|
||
|
|
|
||
|
|
Usage:
|
||
|
|
|
||
|
|
def configure(conf):
|
||
|
|
conf.load('compiler_cxx')
|
||
|
|
...
|
||
|
|
conf.load('clang_compilation_database')
|
||
|
|
"""
|
||
|
|
|
||
|
|
import sys, os, json, shlex, pipes
|
||
|
|
from waflib import Logs, TaskGen
|
||
|
|
from waflib.Tools import c, cxx
|
||
|
|
|
||
|
|
if sys.hexversion >= 0x3030000:
|
||
|
|
quote = shlex.quote
|
||
|
|
else:
|
||
|
|
quote = pipes.quote
|
||
|
|
|
||
|
|
@TaskGen.feature('*')
|
||
|
|
@TaskGen.after_method('process_use')
|
||
|
|
def collect_compilation_db_tasks(self):
|
||
|
|
"Add a compilation database entry for compiled tasks"
|
||
|
|
try:
|
||
|
|
clang_db = self.bld.clang_compilation_database_tasks
|
||
|
|
except AttributeError:
|
||
|
|
clang_db = self.bld.clang_compilation_database_tasks = []
|
||
|
|
self.bld.add_post_fun(write_compilation_database)
|
||
|
|
|
||
|
|
for task in getattr(self, 'compiled_tasks', []):
|
||
|
|
if isinstance(task, (c.c, cxx.cxx)):
|
||
|
|
clang_db.append(task)
|
||
|
|
|
||
|
|
def write_compilation_database(ctx):
|
||
|
|
"Write the clang compilation database as JSON"
|
||
|
|
database_file = ctx.bldnode.make_node('compile_commands.json')
|
||
|
|
Logs.info("Build commands will be stored in %s" % database_file.path_from(ctx.path))
|
||
|
|
try:
|
||
|
|
root = json.load(database_file)
|
||
|
|
except IOError:
|
||
|
|
root = []
|
||
|
|
clang_db = dict((x["file"], x) for x in root)
|
||
|
|
for task in getattr(ctx, 'clang_compilation_database_tasks', []):
|
||
|
|
try:
|
||
|
|
cmd = task.last_cmd
|
||
|
|
except AttributeError:
|
||
|
|
continue
|
||
|
|
directory = getattr(task, 'cwd', ctx.variant_dir)
|
||
|
|
f_node = task.inputs[0]
|
||
|
|
filename = os.path.relpath(f_node.abspath(), directory)
|
||
|
|
cmd = " ".join(map(quote, cmd))
|
||
|
|
entry = {
|
||
|
|
"directory": directory,
|
||
|
|
"command": cmd,
|
||
|
|
"file": filename,
|
||
|
|
}
|
||
|
|
clang_db[filename] = entry
|
||
|
|
root = list(clang_db.values())
|
||
|
|
database_file.write(json.dumps(root, indent=2))
|