diff options
| -rw-r--r-- | bitbake/lib/bb/codeparser.py | 66 | ||||
| -rw-r--r-- | bitbake/lib/bb/cooker.py | 2 |
2 files changed, 58 insertions, 10 deletions
diff --git a/bitbake/lib/bb/codeparser.py b/bitbake/lib/bb/codeparser.py index 88a26c82a..faffe390d 100644 --- a/bitbake/lib/bb/codeparser.py +++ b/bitbake/lib/bb/codeparser.py @@ -4,6 +4,14 @@ from bb import msg, utils import ast import codegen +PARSERCACHE_VERSION = 1 + +try: + import cPickle as pickle +except ImportError: + import pickle + bb.msg.note(1, bb.msg.domain.Cache, "Importing cPickle failed. Falling back to a very slow implementation.") + def check_indent(codestr): """If the code is indented, add a top level piece of code to 'remove' the indentation""" @@ -13,6 +21,43 @@ def check_indent(codestr): return codestr pythonparsecache = {} +shellparsecache = {} + +def parser_cachefile(d): + cachedir = bb.data.getVar("PERSISTENT_DIR", d, True) or bb.data.getVar("CACHE", d, True) + if cachedir in [None, '']: + return None + bb.utils.mkdirhier(cachedir) + cachefile = os.path.join(cachedir, "bb_codeparser.dat") + bb.msg.debug(1, bb.msg.domain.Cache, "Using cache in '%s' for codeparser cache" % cachefile) + return cachefile + +def parser_cache_init(d): + + cachefile = parser_cachefile(d) + if not cachefile: + return + + try: + p = pickle.Unpickler(file(cachefile, "rb")) + data, version = p.load() + except: + return + + if version != PARSERCACHE_VERSION: + return + + bb.codeparser.pythonparsecache = data[0] + bb.codeparser.shellparsecache = data[1] + +def parser_cache_save(d): + + cachefile = parser_cachefile(d) + if not cachefile: + return + + p = pickle.Pickler(file(cachefile, "wb"), -1) + p.dump([[bb.codeparser.pythonparsecache, bb.codeparser.shellparsecache], PARSERCACHE_VERSION]) class PythonParser(): class ValueVisitor(): @@ -125,9 +170,11 @@ class PythonParser(): def parse_python(self, node): - if node in pythonparsecache: - self.references = pythonparsecache[node].references - self.execs = pythonparsecache[node].execs + h = hash(node) + + if h in pythonparsecache: + self.references = pythonparsecache[h].references + self.execs = pythonparsecache[h].execs return code = compile(check_indent(str(node)), "<string>", "exec", @@ -142,10 +189,7 @@ class PythonParser(): self.references.update(visitor.var_execs) self.execs = visitor.direct_func_calls - pythonparsecache[node] = self - - -shellparsecache = {} + pythonparsecache[h] = self class ShellParser(): def __init__(self): @@ -158,8 +202,10 @@ class ShellParser(): commands it executes. """ - if value in pythonparsecache: - self.execs = shellparsecache[value].execs + h = hash(value) + + if h in shellparsecache: + self.execs = shellparsecache[h].execs return try: @@ -171,7 +217,7 @@ class ShellParser(): self.process_tokens(token) self.execs = set(cmd for cmd in self.allexecs if cmd not in self.funcdefs) - shellparsecache[value] = self + shellparsecache[h] = self return self.execs diff --git a/bitbake/lib/bb/cooker.py b/bitbake/lib/bb/cooker.py index dcdcb7d44..ea33693dd 100644 --- a/bitbake/lib/bb/cooker.py +++ b/bitbake/lib/bb/cooker.py @@ -546,6 +546,7 @@ class BBCooker: if bb.data.getVar("BB_WORKERCONTEXT", self.configuration.data) is None: bb.fetch.fetcher_init(self.configuration.data) + bb.codeparser.parser_cache_init(self.configuration.data) bb.event.fire(bb.event.ConfigParsed(), self.configuration.data) @@ -1011,6 +1012,7 @@ class CookerParser: if self.pointer >= self.total: cooker.bb_cache.sync() + bb.codeparser.parser_cache_save(cooker.configuration.data) if self.error > 0: raise ParsingErrorsFound return False |