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authorHolger Freyther <ich@tamarin.(none)>2009-05-19 13:53:12 +0200
committerRichard Purdie <rpurdie@linux.intel.com>2010-02-15 17:07:54 +0000
commit83ec5eaed411225d16a4fc4dc92323e3acc9f5cd (patch)
tree675f08265c9de79ec267002b11bf3e727c2a73ae /bitbake/lib
parentc011d42eda4b830ec2a609817b61d166ff0413d4 (diff)
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bitbake: [parser] Cache parsed .inc and .bbclass files for a parse speedup
Have a growing dict with .inc and .bbclass'es. This avoids to reparse files we have already seen. Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'bitbake/lib')
-rw-r--r--bitbake/lib/bb/parse/parse_py/BBHandler.py37
1 files changed, 23 insertions, 14 deletions
diff --git a/bitbake/lib/bb/parse/parse_py/BBHandler.py b/bitbake/lib/bb/parse/parse_py/BBHandler.py
index 9b8ad0b9e..ab479c1eb 100644
--- a/bitbake/lib/bb/parse/parse_py/BBHandler.py
+++ b/bitbake/lib/bb/parse/parse_py/BBHandler.py
@@ -50,6 +50,8 @@ __body__ = []
__classname__ = ""
classes = [ None, ]
+cached_statements = {}
+
# We need to indicate EOF to the feeder. This code is so messy that
# factoring it out to a close_parse_file method is out of question.
# We will use the IN_PYTHON_EOF as an indicator to just close the method
@@ -79,20 +81,27 @@ def inherit(files, d):
__inherit_cache = data.getVar('__inherit_cache', d) or []
def get_statements(filename, absolsute_filename, base_name, file):
- statements = ast.StatementGroup()
-
- lineno = 0
- while 1:
- lineno = lineno + 1
- s = file.readline()
- if not s: break
- s = s.rstrip()
- feeder(lineno, s, filename, base_name, statements)
- if __inpython__:
- # add a blank line to close out any python definition
- feeder(IN_PYTHON_EOF, "", filename, base_name, statements)
-
- return statements
+ global cached_statements
+
+ try:
+ return cached_statements[absolsute_filename]
+ except KeyError:
+ statements = ast.StatementGroup()
+
+ lineno = 0
+ while 1:
+ lineno = lineno + 1
+ s = file.readline()
+ if not s: break
+ s = s.rstrip()
+ feeder(lineno, s, filename, base_name, statements)
+ if __inpython__:
+ # add a blank line to close out any python definition
+ feeder(IN_PYTHON_EOF, "", filename, base_name, statements)
+
+ if filename.endswith(".bbclass") or filename.endswith(".inc"):
+ cached_statements[absolsute_filename] = statements
+ return statements
def handle(fn, d, include):
global __func_start_regexp__, __inherit_regexp__, __export_func_regexp__, __addtask_regexp__, __addhandler_regexp__, __infunc__, __body__, __residue__