diff options
Diffstat (limited to 'third_party/waf/waflib/extras/clang_compilation_database.py')
-rw-r--r-- | third_party/waf/waflib/extras/clang_compilation_database.py | 43 |
1 files changed, 37 insertions, 6 deletions
diff --git a/third_party/waf/waflib/extras/clang_compilation_database.py b/third_party/waf/waflib/extras/clang_compilation_database.py index e7230d4c7f4..756180f8bb6 100644 --- a/third_party/waf/waflib/extras/clang_compilation_database.py +++ b/third_party/waf/waflib/extras/clang_compilation_database.py @@ -1,3 +1,7 @@ +#! /usr/bin/env python +# encoding: utf-8 +# WARNING! Do not edit! https://waf.io/book/index.html#_obtaining_the_waf_file + #!/usr/bin/env python # encoding: utf-8 # Christoph Koke, 2013 @@ -15,15 +19,16 @@ Usage: """ import sys, os, json, shlex, pipes -from waflib import Logs, TaskGen -from waflib.Tools import c, cxx +from waflib import Logs, TaskGen, Task + +Task.Task.keep_last_cmd = True if sys.hexversion >= 0x3030000: quote = shlex.quote else: quote = pipes.quote -@TaskGen.feature('*') +@TaskGen.feature('c', 'cxx') @TaskGen.after_method('process_use') def collect_compilation_db_tasks(self): "Add a compilation database entry for compiled tasks" @@ -33,19 +38,20 @@ def collect_compilation_db_tasks(self): clang_db = self.bld.clang_compilation_database_tasks = [] self.bld.add_post_fun(write_compilation_database) + tup = tuple(y for y in [Task.classes.get(x) for x in ('c', 'cxx')] if y) for task in getattr(self, 'compiled_tasks', []): - if isinstance(task, (c.c, cxx.cxx)): + if isinstance(task, tup): 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)) + 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) + clang_db = dict((x['file'], x) for x in root) for task in getattr(ctx, 'clang_compilation_database_tasks', []): try: cmd = task.last_cmd @@ -63,3 +69,28 @@ def write_compilation_database(ctx): clang_db[filename] = entry root = list(clang_db.values()) database_file.write(json.dumps(root, indent=2)) + +# Override the runnable_status function to do a dummy/dry run when the file doesn't need to be compiled. +# This will make sure compile_commands.json is always fully up to date. +# Previously you could end up with a partial compile_commands.json if the build failed. +for x in ('c', 'cxx'): + if x not in Task.classes: + continue + + t = Task.classes[x] + + def runnable_status(self): + def exec_command(cmd, **kw): + pass + + run_status = self.old_runnable_status() + if run_status == Task.SKIP_ME: + setattr(self, 'old_exec_command', getattr(self, 'exec_command', None)) + setattr(self, 'exec_command', exec_command) + self.run() + setattr(self, 'exec_command', getattr(self, 'old_exec_command', None)) + return run_status + + setattr(t, 'old_runnable_status', getattr(t, 'runnable_status', None)) + setattr(t, 'runnable_status', runnable_status) + |