diff options
Diffstat (limited to 'kconfiglib.py')
| -rw-r--r-- | kconfiglib.py | 72 |
1 files changed, 68 insertions, 4 deletions
diff --git a/kconfiglib.py b/kconfiglib.py index 85a0054..99bdf80 100644 --- a/kconfiglib.py +++ b/kconfiglib.py @@ -313,8 +313,13 @@ If a condition is missing (e.g., <cond> when the 'if <cond>' is removed from functions just avoid printing 'if y' conditions to give cleaner output. +Kconfig extensions +================== + +Kconfiglib implements two Kconfig extensions related to 'source': + 'source' with relative path -=========================== +--------------------------- The library implements a custom 'rsource' statement that allows to import Kconfig file by specifying path relative to directory of the currently parsed @@ -347,6 +352,26 @@ Using 'rsource' it can be rewritten as: If absolute path is given to 'rsource' then it follows behavior of 'source'. +Globbed sourcing with 'gsource' and 'grsource' +---------------------------------------------- + +The 'gsource' statement works like 'source', but takes a glob pattern and +sources all matching Kconfig files. For example, the following statement might +source 'sub1/foofoofoo' and 'sub2/foobarfoo': + + gsource "sub[12]/foo*foo" + +The glob patterns accepted are the same as for the standard glob.glob() +function. + +If no file matches the pattern, gsource is a no-op, and hence doubles as an +include-if-exists function when given a plain filename (similar to '-include' +in 'make'). It might help to think of the 'g' as "generalized" in that case. + +'grsource' is the 'rsource' version of 'gsource' and globs relative to the +directory of the current Kconfig file. + + Feedback ======== @@ -354,6 +379,7 @@ Send bug reports, suggestions, and questions to ulfalizer a.t Google's email service, or open a ticket on the GitHub page. """ import errno +import glob import os import platform import re @@ -1822,7 +1848,7 @@ class Kconfig(object): elif t0 == _T_SOURCE: self._enter_file(self._expand_syms(self._expect_str_and_eol())) - prev_node = self._parse_block(None, # end_token + prev_node = self._parse_block(None, # end_token parent, visible_if_deps, prev_node) @@ -1833,12 +1859,44 @@ class Kconfig(object): os.path.dirname(self._filename), self._expand_syms(self._expect_str_and_eol()) )) - prev_node = self._parse_block(None, # end_token + prev_node = self._parse_block(None, # end_token parent, visible_if_deps, prev_node) self._leave_file() + elif t0 in (_T_GSOURCE, _T_GRSOURCE): + pattern = self._expand_syms(self._expect_str_and_eol()) + if t0 == _T_GRSOURCE: + # Relative gsource + pattern = os.path.join(os.path.dirname(self._filename), + pattern) + + # If $srctree is set, glob relative to it + if self.srctree is not None: + pattern = os.path.join(self.srctree, pattern) + + # Sort the glob results to ensure a consistent ordering of + # Kconfig symbols, which indirectly ensures a consistent + # ordering in e.g. .config files + for filename in sorted(glob.glob(pattern)): + if self.srctree is not None and not os.path.isabs(filename): + # Strip the $srctree prefix from the filename and let + # the normal $srctree logic find the file. This makes + # the globbed filenames appear without a $srctree + # prefix in MenuNode.filename, which is consistent with + # how 'source' and 'rsource' work. We get the same + # behavior as if the files had been 'source'd one by + # one. + filename = os.path.relpath(filename, self.srctree) + + self._enter_file(filename) + prev_node = self._parse_block(None, # end_token + parent, + visible_if_deps, + prev_node) + self._leave_file() + elif t0 == end_token: # We have reached the end of the block. Terminate the final # node and return it. @@ -4699,6 +4757,8 @@ STR_TO_TRI = { _T_EQUAL, _T_GREATER, _T_GREATER_EQUAL, + _T_GRSOURCE, + _T_GSOURCE, _T_HELP, _T_HEX, _T_IF, @@ -4725,7 +4785,7 @@ STR_TO_TRI = { _T_TRISTATE, _T_UNEQUAL, _T_VISIBLE, -) = range(45) +) = range(47) # Public integers representing expression types # @@ -4759,6 +4819,8 @@ _get_keyword = { "endif": _T_ENDIF, "endmenu": _T_ENDMENU, "env": _T_ENV, + "grsource": _T_GRSOURCE, + "gsource": _T_GSOURCE, "help": _T_HELP, "hex": _T_HEX, "if": _T_IF, @@ -4792,6 +4854,8 @@ _STRING_LEX = frozenset(( _T_BOOL, _T_CHOICE, _T_COMMENT, + _T_GRSOURCE, + _T_GSOURCE, _T_HEX, _T_INT, _T_MAINMENU, |