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bitbake: [parser] Move evaluating into the ast class...

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Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
This commit is contained in:
Holger Freyther
2010-02-12 14:14:49 +00:00
committed by Richard Purdie
parent e9d8dd2abf
commit 5bac3403d7
3 changed files with 207 additions and 180 deletions
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57
bitbake/lib/bb/parse/parse_py/ConfHandler.py
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@@ -25,7 +25,7 @@
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import re, bb.data, os, sys
from bb.parse import ParseError, resolve_file
from bb.parse import ParseError, resolve_file, ast
#__config_regexp__ = re.compile( r"(?P<exp>export\s*)?(?P<var>[a-zA-Z0-9\-_+.${}]+)\s*(?P<colon>:)?(?P<ques>\?)?=\s*(?P<apo>['\"]?)(?P<value>.*)(?P=apo)$")
__config_regexp__ = re.compile( r"(?P<exp>export\s*)?(?P<var>[a-zA-Z0-9\-_+.${}/]+)(\[(?P<flag>[a-zA-Z0-9\-_+.]+)\])?\s*((?P<colon>:=)|(?P<ques>\?=)|(?P<append>\+=)|(?P<prepend>=\+)|(?P<predot>=\.)|(?P<postdot>\.=)|=)\s*(?P<apo>['\"]?)(?P<value>.*)(?P=apo)$")
@@ -33,53 +33,6 @@ __include_regexp__ = re.compile( r"include\s+(.+)" )
__require_regexp__ = re.compile( r"require\s+(.+)" )
__export_regexp__ = re.compile( r"export\s+(.+)" )
# routines for the parser, to be turned into an AST
def handleInclude(m, fn, lineno, data, force):
s = bb.data.expand(m.group(1), data)
bb.msg.debug(3, bb.msg.domain.Parsing, "CONF %s:%d: including %s" % (fn, lineno, s))
if force:
include(fn, s, data, "include required")
else:
include(fn, s, data, False)
def handleExport(m, data):
bb.data.setVarFlag(m.group(1), "export", 1, data)
def handleData(groupd, data):
key = groupd["var"]
if "exp" in groupd and groupd["exp"] != None:
bb.data.setVarFlag(key, "export", 1, data)
if "ques" in groupd and groupd["ques"] != None:
val = getFunc(groupd, key, data)
if val == None:
val = groupd["value"]
elif "colon" in groupd and groupd["colon"] != None:
e = data.createCopy()
bb.data.update_data(e)
val = bb.data.expand(groupd["value"], e)
elif "append" in groupd and groupd["append"] != None:
val = "%s %s" % ((getFunc(groupd, key, data) or ""), groupd["value"])
elif "prepend" in groupd and groupd["prepend"] != None:
val = "%s %s" % (groupd["value"], (getFunc(groupd, key, data) or ""))
elif "postdot" in groupd and groupd["postdot"] != None:
val = "%s%s" % ((getFunc(groupd, key, data) or ""), groupd["value"])
elif "predot" in groupd and groupd["predot"] != None:
val = "%s%s" % (groupd["value"], (getFunc(groupd, key, data) or ""))
else:
val = groupd["value"]
if 'flag' in groupd and groupd['flag'] != None:
bb.msg.debug(3, bb.msg.domain.Parsing, "setVarFlag(%s, %s, %s, data)" % (key, groupd['flag'], val))
bb.data.setVarFlag(key, groupd['flag'], val, data)
else:
bb.data.setVar(key, val, data)
def getFunc(groupd, key, data):
if 'flag' in groupd and groupd['flag'] != None:
return bb.data.getVarFlag(key, groupd['flag'], data)
else:
return bb.data.getVar(key, data)
def init(data):
topdir = bb.data.getVar('TOPDIR', data)
if not topdir:
@@ -160,22 +113,22 @@ def feeder(lineno, s, fn, data):
m = __config_regexp__.match(s)
if m:
groupd = m.groupdict()
handleData(groupd, data)
ast.handleData(groupd, data)
return
m = __include_regexp__.match(s)
if m:
handleInclude(m, fn, lineno, data, False)
ast.handleInclude(m, fn, lineno, data, False)
return
m = __require_regexp__.match(s)
if m:
handleInclude(m, fn, lineno, data, True)
ast.handleInclude(m, fn, lineno, data, True)
return
m = __export_regexp__.match(s)
if m:
handleExport(m, data)
ast.handleExport(m, data)
return
raise ParseError("%s:%d: unparsed line: '%s'" % (fn, lineno, s));