mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-30 19:53:46 +00:00
398 lines
12 KiB
Python
Executable File
398 lines
12 KiB
Python
Executable File
#! /usr/bin/python2
|
|
import os
|
|
import sys
|
|
import shlex
|
|
import re
|
|
|
|
from headerutils import *
|
|
import Queue
|
|
|
|
file_list = list ()
|
|
usage = False
|
|
|
|
ignore_conditional = False
|
|
|
|
order = [
|
|
"system.h",
|
|
"coretypes.h",
|
|
"backend.h",
|
|
"target.h",
|
|
"rtl.h",
|
|
"c-family/c-target.h",
|
|
"c-family/c-target-def.h",
|
|
"tree.h",
|
|
"cp/cp-tree.h",
|
|
"c-family/c-common.h", # these must come before diagnostic.h
|
|
"c/c-tree.h",
|
|
"fortran/gfortran.h",
|
|
"gimple.h",
|
|
"cfghooks.h",
|
|
"df.h",
|
|
"tm_p.h",
|
|
"gimple-iterators.h",
|
|
"ssa.h",
|
|
"expmed.h",
|
|
"optabs.h",
|
|
"regs.h",
|
|
"ira.h",
|
|
"ira-int.h",
|
|
"gimple-streamer.h"
|
|
|
|
]
|
|
|
|
exclude_special = [ "bversion.h", "obstack.h", "insn-codes.h", "hooks.h" ]
|
|
|
|
# includes is a dictionary indexed by a header files basename.
|
|
# it consists of a 2 element tuple:
|
|
# [0] - Name of header file which included this header.
|
|
# [1] - vector of header file names included by this file.
|
|
|
|
includes = { }
|
|
|
|
# when a header is included multiple times, indexing this dictionary will
|
|
# return a vector of all the headers which included it.
|
|
dups = { }
|
|
|
|
# When creating the master list, do not descend into these files for what
|
|
# they include. Simply put the file itself in the list. This is primarily
|
|
# required because the front end files inlcude orders tend to be at odds with
|
|
# the order of middle end files, and its impossible to synchronize them.\
|
|
# They are ordered such that everything resolves properly.
|
|
exclude_processing = [ "tree-vectorizer.h" , "c-target.h", "c-target-def.h", "cp-tree.h", "c-common.h", "c-tree.h", "gfortran.h" ]
|
|
|
|
master_list = list ()
|
|
# where include file comes from in src
|
|
h_from = { }
|
|
|
|
# create the master ordering list... this is the desired order of headers
|
|
def create_master_list (fn, verbose):
|
|
if fn not in exclude_processing:
|
|
for x in includes[fn][1]:
|
|
create_master_list (x, verbose)
|
|
if not fn in master_list:
|
|
# Don't put diagnostic*.h into the ordering list. It is special since
|
|
# various front ends have to set GCC_DIAG_STYLE before including it.
|
|
# for each file, we'll tailor where it belongs by looking at the include
|
|
# list and determine its position appropriately.
|
|
if fn != "diagnostic.h" and fn != "diagnostic-core.h":
|
|
master_list.append (fn)
|
|
if (verbose):
|
|
print fn + " included by: " + includes[fn][0]
|
|
|
|
|
|
|
|
def print_dups ():
|
|
if dups:
|
|
print "\nduplicated includes"
|
|
for i in dups:
|
|
string = "dup : " + i + " : "
|
|
string += includes[i][0]
|
|
for i2 in dups[i]:
|
|
string += ", "+i2
|
|
print string
|
|
|
|
|
|
def process_known_dups ():
|
|
# rtl.h gets tagged as a duplicate includer for all of coretypes.h, but that
|
|
# is really for only generator files
|
|
rtl_remove = includes["coretypes.h"][1] + ["statistics.h", "vec.h"]
|
|
if dups:
|
|
for i in rtl_remove:
|
|
if dups[i] and "rtl.h" in dups[i]:
|
|
dups[i].remove("rtl.h")
|
|
if not dups[i]:
|
|
dups.pop (i, None)
|
|
|
|
# make sure diagnostic.h is the owner of diagnostic-core.h
|
|
if includes["diagnostic-core.h"][0] != "diagnostic.h":
|
|
dups["diagnostic-core.h"].append (includes["diagnostic-core.h"][0])
|
|
includes["diagnostic-core.h"] = ("diagnostic.h", includes["diagnostic-core.h"][1])
|
|
|
|
# This function scans back thorugh the list of headers which included other
|
|
# headers to determine what file in HEADER_LIST brought 'HEADER' in.
|
|
def indirectly_included (header, header_list):
|
|
nm = os.path.basename (header)
|
|
while nm and includes.get(nm):
|
|
if includes[nm][0] in header_list:
|
|
return includes[nm][0]
|
|
nm = includes[nm][0]
|
|
|
|
# diagnostic.h and diagnostic-core.h may not show up because we removed them
|
|
# from the header list to manually position in an appropriate place. They have
|
|
# specific requirements that they need to occur after certain FE files which
|
|
# may overide the definition of GCC_DIAG_STYLE.
|
|
# Check the dup list for whete they may have been included from and return
|
|
# that header.
|
|
if header == "diagnostic-core.h":
|
|
if dups.get("diagnostic-core.h"):
|
|
for f in dups["diagnostic-core.h"]:
|
|
if f in header_list:
|
|
return f
|
|
else:
|
|
if header in header_list:
|
|
return header
|
|
# Now check if diagnostics is included indirectly anywhere
|
|
header = "diagnostic.h"
|
|
|
|
if header == "diagnostic.h":
|
|
if dups.get("diagnostic.h"):
|
|
for f in dups["diagnostic.h"]:
|
|
if f in header_list:
|
|
return f
|
|
else:
|
|
if header in header_list:
|
|
return header
|
|
|
|
return ""
|
|
|
|
|
|
# This function will take a list of headers from a source file and return
|
|
# the desired new new order of the canonical headers in DESIRED_ORDER.
|
|
def get_new_order (src_h, desired_order):
|
|
new_order = list ()
|
|
for h in desired_order:
|
|
if h in master_list:
|
|
# Create the list of nested headers which included this file.
|
|
iclist = list ()
|
|
ib = includes[h][0]
|
|
while ib:
|
|
iclist.insert(0, ib)
|
|
ib = includes[ib][0]
|
|
if iclist:
|
|
for x in iclist:
|
|
# If header is in the source code, and we are allowed to look inside
|
|
if x in src_h and x not in exclude_processing:
|
|
if x not in new_order and x[:10] != "diagnostic" and h not in exclude_special:
|
|
new_order.append (x)
|
|
break;
|
|
else:
|
|
if h not in new_order:
|
|
new_order.append (h)
|
|
|
|
f = ""
|
|
if "diagnostic.h" in src_h:
|
|
f = "diagnostic.h"
|
|
elif "diagnostic-core.h" in src_h:
|
|
f = "diagnostic-core.h"
|
|
|
|
|
|
# If either diagnostic header was directly included in the main file, check to
|
|
# see if its already included indirectly, or whether we need to add it to the
|
|
# end of the canonically orders headers.
|
|
if f:
|
|
ii = indirectly_included (f, src_h)
|
|
if not ii or ii == f:
|
|
new_order.append (f)
|
|
|
|
return new_order
|
|
|
|
|
|
|
|
# stack of files to process
|
|
process_stack = list ()
|
|
|
|
def process_one (info):
|
|
i = info[0]
|
|
owner = info[1]
|
|
name = os.path.basename(i)
|
|
if os.path.exists (i):
|
|
if includes.get(name) == None:
|
|
l = find_unique_include_list (i)
|
|
# create a list which has just basenames in it
|
|
new_list = list ()
|
|
for x in l:
|
|
new_list.append (os.path.basename (x))
|
|
process_stack.append((x, name))
|
|
includes[name] = (owner, new_list)
|
|
elif owner:
|
|
if dups.get(name) == None:
|
|
dups[name] = [ owner ]
|
|
else:
|
|
dups[name].append (owner)
|
|
else:
|
|
# seed tm.h with options.h since it is a build file and won't be seen.
|
|
if not includes.get(name):
|
|
if name == "tm.h":
|
|
includes[name] = (owner, [ "options.h" ])
|
|
includes["options.h"] = ("tm.h", list ())
|
|
else:
|
|
includes[name] = (owner, list ())
|
|
|
|
|
|
show_master = False
|
|
|
|
for arg in sys.argv[1:]:
|
|
if arg[0:1] == "-":
|
|
if arg[0:2] == "-h":
|
|
usage = True
|
|
elif arg[0:2] == "-i":
|
|
ignore_conditional = True
|
|
elif arg[0:2] == "-v":
|
|
show_master = True
|
|
else:
|
|
print "Error: unrecognized option " + arg
|
|
elif os.path.exists(arg):
|
|
file_list.append (arg)
|
|
else:
|
|
print "Error: file " + arg + " Does not exist."
|
|
usage = True
|
|
|
|
if not file_list and not show_master:
|
|
usage = True
|
|
|
|
if not usage and not os.path.exists ("coretypes.h"):
|
|
usage = True
|
|
print "Error: Must run command in main gcc source directory containing coretypes.h\n"
|
|
|
|
# process diagnostic.h first.. it's special since GCC_DIAG_STYLE can be
|
|
# overridden by languages, but must be done so by a file included BEFORE it.
|
|
# so make sure it isn't seen as included by one of those files by making it
|
|
# appear to be included by the src file.
|
|
process_stack.insert (0, ("diagnostic.h", ""))
|
|
|
|
# Add the list of files in reverse order since it is processed as a stack later
|
|
for i in order:
|
|
process_stack.insert (0, (i, "") )
|
|
|
|
# build up the library of what header files include what other files.
|
|
while process_stack:
|
|
info = process_stack.pop ()
|
|
process_one (info)
|
|
|
|
# Now create the master ordering list
|
|
for i in order:
|
|
create_master_list (os.path.basename (i), show_master)
|
|
|
|
# handle warts in the duplicate list
|
|
process_known_dups ()
|
|
desired_order = master_list
|
|
|
|
if show_master:
|
|
print " Canonical order of gcc include files: "
|
|
for x in master_list:
|
|
print x
|
|
print " "
|
|
|
|
if usage:
|
|
print "gcc-order-headers [-i] [-v] file1 [filen]"
|
|
print " Ensures gcc's headers files are included in a normalized form with"
|
|
print " redundant headers removed. The original files are saved in filename.bak"
|
|
print " Outputs a list of files which changed."
|
|
print " -i ignore conditional compilation."
|
|
print " Use after examining the file to be sure includes within #ifs are safe"
|
|
print " Any headers within conditional sections will be ignored."
|
|
print " -v Show the canonical order of known headers"
|
|
sys.exit(0)
|
|
|
|
|
|
didnt_do = list ()
|
|
|
|
for fn in file_list:
|
|
nest = 0
|
|
src_h = list ()
|
|
src_line = { }
|
|
|
|
master_list = list ()
|
|
|
|
includes = { }
|
|
dups = { }
|
|
|
|
iinfo = process_ii_src (fn)
|
|
src = ii_src (iinfo)
|
|
include_list = ii_include_list (iinfo)
|
|
|
|
if ii_include_list_cond (iinfo):
|
|
if not ignore_conditional:
|
|
print fn + ": Cannot process due to conditional compilation of includes"
|
|
didnt_do.append (fn)
|
|
src = list ()
|
|
|
|
if not src:
|
|
continue
|
|
|
|
process_stack = list ()
|
|
# prime the stack with headers in the main ordering list so we get them in
|
|
# this order.
|
|
for d in order:
|
|
if d in include_list:
|
|
process_stack.insert (0, (d, ""))
|
|
|
|
for d in include_list:
|
|
nm = os.path.basename(d)
|
|
src_h.append (nm)
|
|
iname = d
|
|
iname2 = os.path.dirname (fn) + "/" + d
|
|
if not os.path.exists (d) and os.path.exists (iname2):
|
|
iname = iname2
|
|
if iname not in process_stack:
|
|
process_stack.insert (0, (iname, ""))
|
|
src_line[nm] = ii_src_line(iinfo)[d]
|
|
if src_line[nm].find("/*") != -1 and src_line[nm].find("*/") == -1:
|
|
# this means we have a multi line comment, abort!'
|
|
print fn + ": Cannot process due to a multi-line comment :"
|
|
print " " + src_line[nm]
|
|
if fn not in didnt_do:
|
|
didnt_do.append (fn)
|
|
src = list ()
|
|
|
|
if not src:
|
|
continue
|
|
|
|
# Now create the list of includes as seen by the source file.
|
|
while process_stack:
|
|
info = process_stack.pop ()
|
|
process_one (info)
|
|
|
|
for i in include_list:
|
|
create_master_list (os.path.basename (i), False)
|
|
|
|
new_src = list ()
|
|
header_added = list ()
|
|
new_order = list ()
|
|
for line in src:
|
|
d = find_pound_include (line, True, True)
|
|
if not d or d[-2:] != ".h":
|
|
new_src.append (line)
|
|
else:
|
|
if d == order[0] and not new_order:
|
|
new_order = get_new_order (src_h, desired_order)
|
|
for i in new_order:
|
|
new_src.append (src_line[i])
|
|
# if not seen, add it.
|
|
if i not in header_added:
|
|
header_added.append (i)
|
|
else:
|
|
nm = os.path.basename(d)
|
|
if nm not in header_added:
|
|
iby = indirectly_included (nm, src_h)
|
|
if not iby:
|
|
new_src.append (line)
|
|
header_added.append (nm)
|
|
|
|
if src != new_src:
|
|
os.rename (fn, fn + ".bak")
|
|
fl = open(fn,"w")
|
|
for line in new_src:
|
|
fl.write (line)
|
|
fl.close ()
|
|
print fn
|
|
|
|
|
|
if didnt_do:
|
|
print "\n\n Did not process the following files due to conditional dependencies:"
|
|
str = ""
|
|
for x in didnt_do:
|
|
str += x + " "
|
|
print str
|
|
print "\n"
|
|
print "Please examine to see if they are safe to process, and re-try with -i. "
|
|
print "Safeness is determined by checking whether any of the reordered headers are"
|
|
print "within a conditional and could be hauled out of the conditional, thus changing"
|
|
print "what the compiler will see."
|
|
print "Multi-line comments after a #include can also cause failuer, they must be turned"
|
|
print "into single line comments or removed."
|
|
|
|
|
|
|
|
|