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find_compatible_dts.py: Compile regexes to improve performances

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Signed-off-by: Maxime Chretien <maxime.chretien@bootlin.com>
This commit is contained in:
Maxime Chretien 2020-06-10 09:12:55 +02:00
parent cf76b863ab
commit 2162fe88e6
1 changed files with 11 additions and 4 deletions
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15
find_compatible_dts.py
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@ -32,20 +32,27 @@ usage_message = ("USAGE: find_compatible_dts.py <file> <family>\n"
ident_list = ""
# Compile regexes
regex_c = re.compile("\s*{*\s*\.compatible\s*=\s*\"(.+?)\"")
regex_dts1 = re.compile("\s*compatible")
regex_dts2 = re.compile("\"(.+?)\"")
regex_bindings = re.compile("([\w-]+,?[\w-]+)")
def parse_c(content):
return re.findall("\s*{*\s*\.compatible\s*=\s*\"(.+?)\"", content)
return regex_c.findall(content)
def parse_dts(content):
ret = []
if re.match("\s*compatible", content) != None:
ret = re.findall("\"(.+?)\"", content)
if regex_dts1.match(content) != None:
ret = regex_dts2.findall(content)
return ret
def parse_bindings(content):
# There are a lot of wrong results
# but we don't apply that to a lot of files
# so it should be fine
return re.findall("([\w-]+,?[\w-]+)", content)
return regex_bindings.findall(content)
# Main