diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/allnoconfig_walk.py | 3 | ||||
| -rw-r--r-- | examples/find_symbol.py | 30 | ||||
| -rw-r--r-- | examples/help_grep.py | 37 | ||||
| -rw-r--r-- | examples/list_undefined.py | 21 |
4 files changed, 33 insertions, 58 deletions
diff --git a/examples/allnoconfig_walk.py b/examples/allnoconfig_walk.py index b94a169..c35b998 100644 --- a/examples/allnoconfig_walk.py +++ b/examples/allnoconfig_walk.py @@ -2,6 +2,9 @@ # Verified by the test suite to generate identical output to 'make allnoconfig' # for all ARCHes. # +# Note: A more practical version would use Kconfig.node_iter(). The manual tree +# walking is for demonstration purposes. +# # Usage for the Linux kernel: # # $ make [ARCH=<arch>] scriptconfig SCRIPT=Kconfiglib/examples/allnoconfig_walk.py diff --git a/examples/find_symbol.py b/examples/find_symbol.py index 0d3c968..132d45f 100644 --- a/examples/find_symbol.py +++ b/examples/find_symbol.py @@ -79,43 +79,25 @@ import sys import kconfiglib -def referencing_nodes(node, sym): - # Returns a list of all menu nodes that reference 'sym' in any of their - # properties or property conditions - - res = [] - - while node: - if sym in node.referenced: - res.append(node) - - if node.list: - res.extend(referencing_nodes(node.list, sym)) - - node = node.next - - return res - - if len(sys.argv) < 3: sys.exit('Pass symbol name (without "CONFIG_" prefix) with SCRIPT_ARG=<name>') kconf = kconfiglib.Kconfig(sys.argv[1]) sym_name = sys.argv[2] - if sym_name not in kconf.syms: print("No symbol {} exists in the configuration".format(sym_name)) sys.exit(0) -nodes = referencing_nodes(kconf.top_node, kconf.syms[sym_name]) -if not nodes: - print("No reference to {} found".format(sym_name)) +referencing = [node for node in kconf.node_iter() + if kconf.syms[sym_name] in node.referenced] +if not referencing: + print("No references to {} found".format(sym_name)) sys.exit(0) print("Found {} locations that reference {}:\n" - .format(len(nodes), sym_name)) + .format(len(referencing), sym_name)) -for i, node in enumerate(nodes, 1): +for i, node in enumerate(referencing, 1): print("========== Location {} ({}:{}) ==========\n\n{}" .format(i, node.filename, node.linenr, node)) diff --git a/examples/help_grep.py b/examples/help_grep.py index 20a4911..f05c66f 100644 --- a/examples/help_grep.py +++ b/examples/help_grep.py @@ -42,30 +42,21 @@ if len(sys.argv) < 3: search = re.compile(sys.argv[2], re.IGNORECASE).search -def search_tree(node): - while node: - match = False +for node in Kconfig(sys.argv[1]).node_iter(): + match = False - if isinstance(node.item, (Symbol, Choice)) and \ - node.help is not None and search(node.help): - print(node.item) - match = True + if isinstance(node.item, (Symbol, Choice)) and \ + node.help is not None and search(node.help): + print(node.item) + match = True - elif node.item == MENU and search(node.prompt[0]): - print('menu "{}"'.format(node.prompt[0])) - match = True + elif node.item == MENU and search(node.prompt[0]): + print('menu "{}"'.format(node.prompt[0])) + match = True - elif node.item == COMMENT and search(node.prompt[0]): - print('comment "{}"'.format(node.prompt[0])) - match = True + elif node.item == COMMENT and search(node.prompt[0]): + print('comment "{}"'.format(node.prompt[0])) + match = True - if match: - print("location: {}:{}\n".format(node.filename, node.linenr)) - - if node.list: - search_tree(node.list) - - node = node.next - -kconf = Kconfig(sys.argv[1]) -search_tree(kconf.top_node) + if match: + print("location: {}:{}\n".format(node.filename, node.linenr)) diff --git a/examples/list_undefined.py b/examples/list_undefined.py index 0207975..4a3bc9b 100644 --- a/examples/list_undefined.py +++ b/examples/list_undefined.py @@ -70,9 +70,6 @@ def all_arch_srcarch_pairs(): yield ("sh64", "sh") - yield ("tilepro", "tile") - yield ("tilegx", "tile") - yield ("um", "um") @@ -80,6 +77,13 @@ def all_arch_srcarch_kconfigs(): """ Generates Kconfig instances for all the architectures in the kernel """ + + os.environ["srctree"] = "." + os.environ["HOSTCC"] = "gcc" + os.environ["HOSTCXX"] = "g++" + os.environ["CC"] = "gcc" + os.environ["LD"] = "ld" + for arch, srcarch in all_arch_srcarch_pairs(): print(" Processing " + arch) @@ -118,21 +122,16 @@ for kconf in all_arch_srcarch_kconfigs(): print("\nFinding references to each undefined symbol") -def referencing_nodes(node, name): +def referencing_nodes(kconf, name): # Returns a list of all menu nodes that reference a symbol named 'name' in # any of their properties or property conditions res = [] - while node: + for node in kconf.node_iter(): for ref in node.referenced: if ref.name == name: res.append(node) - if node.list: - res.extend(referencing_nodes(node.list, name)) - - node = node.next - return res @@ -145,7 +144,7 @@ for kconf in all_arch_srcarch_kconfigs(): # undefined symbol, which is terribly inefficient. We could speed # things up by tweaking referencing_nodes() to compare each symbol to # multiple symbols while walking the configuration tree. - for node in referencing_nodes(kconf.top_node, name): + for node in referencing_nodes(kconf, name): refs.add("{}:{}".format(node.filename, node.linenr)) |