diff options
Diffstat (limited to 'site_scons/site_tools/compilation_db.py')
| -rw-r--r-- | site_scons/site_tools/compilation_db.py | 45 |
1 files changed, 39 insertions, 6 deletions
diff --git a/site_scons/site_tools/compilation_db.py b/site_scons/site_tools/compilation_db.py index c452736fb00..161ac6061ea 100644 --- a/site_scons/site_tools/compilation_db.py +++ b/site_scons/site_tools/compilation_db.py @@ -42,19 +42,39 @@ if SCons.Util.case_sensitive_suffixes('.c', '.C'): # We make no effort to avoid rebuilding the entries. Someday, perhaps we could and even # integrate with the cache, but there doesn't seem to be much call for it. -class __CompilationDbNode(SCons.Node.Node): - def __init__(self): - SCons.Node.Node.__init__(self) +class __CompilationDbNode(SCons.Node.Python.Value): + def __init__(self, value): + SCons.Node.Python.Value.__init__(self, value) self.Decider(changed_since_last_build_node) + def changed_since_last_build_node(node, target, prev_ni): + """ Dummy decider to force alwasy building""" return True + def makeEmitCompilationDbEntry(comstr): + """ + Effectively this creates a lambda function to capture: + * command line + * source + * target + :param comstr: unevaluated command line + :return: an emitter which has captured the above + """ user_action = SCons.Action.Action(comstr) + def EmitCompilationDbEntry(target, source, env): + """ + This emitter will be added to each c/c++ object build to capture the info needed + for clang tools + :param target: target node(s) + :param source: source node(s) + :param env: Environment for use building this node + :return: target(s), source(s) + """ - dbtarget = __CompilationDbNode() + dbtarget = __CompilationDbNode(source) entry = env.__COMPILATIONDB_Entry( target=dbtarget, @@ -76,7 +96,18 @@ def makeEmitCompilationDbEntry(comstr): return EmitCompilationDbEntry + def CompilationDbEntryAction(target, source, env, **kw): + """ + Create a dictionary with evaluated command line, target, source + and store that info as an attribute on the target + (Which has been stored in __COMPILATION_DB_ENTRIES array + :param target: target node(s) + :param source: source node(s) + :param env: Environment for use building this node + :param kw: + :return: None + """ command = env['__COMPILATIONDB_UACTION'].strfunction( target=env['__COMPILATIONDB_UTARGET'], @@ -89,13 +120,14 @@ def CompilationDbEntryAction(target, source, env, **kw): "file": str(env['__COMPILATIONDB_USOURCE'][0]) } - setattr(target[0], '__COMPILATION_DB_ENTRY', entry) + target[0].write(entry) + def WriteCompilationDb(target, source, env): entries = [] for s in __COMPILATION_DB_ENTRIES: - entries.append(getattr(s, '__COMPILATION_DB_ENTRY')) + entries.append(s.read()) with open(str(target[0]), 'w') as target_file: json.dump(entries, target_file, @@ -103,6 +135,7 @@ def WriteCompilationDb(target, source, env): indent=4, separators=(',', ': ')) + def ScanCompilationDb(node, env, path): return __COMPILATION_DB_ENTRIES |