htop/scripts/MakeHeader.py
2017-07-27 17:02:01 -04:00

106 lines
2.6 KiB
Python
Executable File

#!/usr/bin/env python
import os, sys, string
try:
from cStringIO import StringIO
except ImportError:
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
ANY=1
COPY=2
SKIP=3
SKIPONE=4
state = ANY
static = 0
file = open(sys.argv[1])
name = sys.argv[1][:-2]
out = StringIO()
selfheader = '#include "' + name + '.h"'
out.write( "/* Do not edit this file. It was automatically generated. */\n" )
out.write( "\n" )
out.write( "#ifndef HEADER_" + os.path.basename(name) + "\n")
out.write( "#define HEADER_" + os.path.basename(name) + "\n")
is_blank = False
for line in file.readlines():
line = line[:-1]
if state == ANY:
if line == '/*{':
state = COPY
elif line == selfheader:
pass
elif line.find("#include") == 0:
pass
elif line.find("htop - ") == 0 and line[-2:] == ".c":
out.write(line[:-2] + ".h\n")
elif line.find("static ") != -1:
if line[-1] == "{":
state = SKIP
static = 1
else:
state = SKIPONE
elif len(line) > 1:
static = 0
equals = line.find(" = ")
if line[-3:] == "= {":
out.write( "extern " + line[:-4] + ";\n" )
state = SKIP
elif equals != -1:
out.write("extern " + line[:equals] + ";\n" )
elif line.startswith("typedef struct"):
state = SKIP
elif line[-1] == "{":
out.write( line[:-2].replace("inline", "extern") + ";\n" )
state = SKIP
else:
out.write( line + "\n")
is_blank = False
elif line == "":
if not is_blank:
out.write( line + "\n")
is_blank = True
else:
out.write( line + "\n")
is_blank = False
elif state == COPY:
is_blank = False
if line == "}*/":
state = ANY
else:
out.write( line + "\n")
elif state == SKIP:
is_blank = False
if len(line) >= 1 and line[0] == "}":
if static == 1:
state = SKIPONE
else:
state = ANY
static = 0
elif state == SKIPONE:
is_blank = False
state = ANY
out.write( "\n" )
out.write( "#endif\n" )
# only write a new .h file if something changed.
# This prevents a lot of recompilation during development
out.seek(0)
try:
with open(name + ".h", "r") as orig:
origcontents = orig.readlines()
except:
origcontents = ""
if origcontents != out.readlines():
with open(name + ".h", "w") as new:
print("Writing "+name+".h")
new.write(out.getvalue())
out.close()