def processfile(cfile):
global extension
node, ext = os.path.splitext(cfile)
headername = node + ".h"
print "mkheader - processing", cfile, "and" , headername
infile = open(cfile, "rb")
if infile is None:
print "Enable to open", cfile
sys.exit(0)
varlist = [] # list of declarations
funclist = [] # list of prototypes
defdict = {} # define statements may be needed
defflag = {} # flags for things to be inside header
defline = {} # the original line
linecount = 0
defcount = 0
# Pass 1 - Processing the C file
# ------------------------------
# make a list of
# - each function definition
# - each global variable declaration (simple or array)
# - make also a dictionary of define statements
COMMENT = FALSE # This flag is true inside a comment
INSBLK = FALSE # This one inside a function's body
while(1):
line = infile.readline()
if not line: break
linecount = linecount + 1
line = wstring.chop(line) # Removing line separators
line = wstring.strip(line) # Removing spaces (with better strip)
if len(line) == 0: continue # Empty line ignored
# If we enter a comment block, remove it
if not COMMENT: COMMENT = lexer.opencomment(line)
if COMMENT:
i = string.find(line, "/*")
left = line[:i]
while COMMENT:
COMMENT = lexer.closecomment(line)
if COMMENT:
line = infile.readline()
if not line: COMMENT = FALSE
linecount = linecount + 1
if not COMMENT:
i = string.find(line, "*/")
right = line[i + 2:]
line = left + right
# If we are inside a compound block, skip the content
# print linecount, ') [' + str(lexer.blocklevel) + ']', line
if not INSBLK: INSBLK = lexer.openblock(line)
if INSBLK:
i = string.find(line, '{')
left = line[:i] # Getting the code at left of {
while(INSBLK):
INSBLK = lexer.closeblock(line)
if INSBLK:
line = infile.readline() # Skipping the content
linecount = linecount + 1
# print "skiping", lexer.blocklevel, wstring.chop(line)
if not line: INSBLK = FALSE
if not INSBLK:
i = string.find(line, '}')
right = line[i + 1:] # Getting the code at right of }
line = left + right
# "shortened" may change inside the call of the test functions
if line is None: continue
if line == "": continue
# A define statement
if line[0] == '#': # Define or pragma statement
if line[0:7] == "#define":
key, value = lexer.splitdefine(line)
if key != None:
defdict[key] = value # Add to dictionary
defflag[key] = FALSE # By default not to be included in header
defline[key] = line
#print "define added", line, "value=", value
continue
if not lexer.isdefinition(line): continue
#print "is typed", line
# Simple keywords of type on the line
if lexer.typeonly(line):
while(1):
next = infile.readline()
if not next: break
next = wstring.clean(next)
if next == "": continue
linecount = linecount + 1
line = line + ' ' + next
break
# A function prototype: ignore it
if lexer.isprototype(line): continue
# A function definition
if lexer.isfunction(line) == TRUE:
line = lexer.shortened
#print "is function ", line
# The heading may use several lines
while string.find(line, ')') == -1:
next = infile.readline()
linecount = linecount + 1
if next == None:
print "Error, function uncomplete"
exit()
next = wstring.chop(next)
next = wstring.strip(next)
line = line + next
# Handling the old format with declarations on next lines
if lexer.oldformat(line):
#print "old format", line
tlist = []
while(1):
l = infile.readline()
if not l: break
linecount = linecount + 1
l = wstring.chop(l)
l = wstring.strip(l)
l = lexer.getdecl(l)
if lexer.isvardef(l):
tlist.append(l)
else: break
if '{' in l: break
# Rebuilding the heading according to the new format
line = lexer.argreplace(line, tlist)
#print "args replace", line, "with list", tlist
i = string.find(line, '{')
if i != -1: line = line[:i]
line = lexer.removecomment(line)
line = lexer.addsemicolon(line)
#print "append to funclist", line
# There is no prototype for the main function
funcname = lexer.getident(line)
if funcname is None:
print "Error in (" + linecount + ')', line
sys.exit(0)
funcname = string.lower(funcname)
if funcname == "main": continue
funclist.append(line)
defcount = defcount + 1
#print line
continue
# An array declaration
# is static, ignored
# Removing from = to end of line
# Adding each size parameter to defdict (done in processarray)
# if initializer, become static for C++
line = lexer.getdecl(line) # removing extra codes
if lexer.isarray(line):
#print "is array", line
# Udate defflag
vlist = []
if lexer.multivar(line):
vlist = lexer.splitvardef(line)
#print "multivar", vlist
else:
vlist.append(line)
for vardef in vlist:
j = string.find(vardef, '=')
k = string.find(vardef, ';')
if k == -1: k = len(vardef)
if j < k:
vardef = vardef[:j] + ';'
lexer.processarray(vardef, defdict, defflag)
var = lexer.shortened
#print "in main shortened", var
var = lexer.addextern(var)
varlist.append(var)
#print "added array", var
defcount = defcount + 1
#print line
continue
# A variable declaration
if lexer.isvardef(line):
#print "255 var", line
vlist = []
if lexer.multivar(line):
vlist = lexer.splitvardef(line)
#print "multivar", vlist
else:
vlist.append(line)
for vardef in vlist:
j = string.find(vardef, '=')
k = string.find(vardef, ';')
if k == -1: k = len(vardef)
if j < k:
vardef = vardef[:j] + ';'
var = lexer.addextern(vardef)
varlist.append(var)
#print "added var", var
defcount = defcount + 1
#print line
# end while
infile.close()
print linecount, "lines in", cfile
# Pass 2 - Processing the header file
# -----------------------------------
# I compare it with declarations extracted from the C source,
# I replace changes from source into the header file.
# I append missing declarations.
# I join multi-lines declarations.
# And I rewrite the header file.
# Reading the file and removing end of file code if exists
header = []
if os.path.exists(headername):
hfile = open(headername, "rb")
header = hfile.readlines()
hfile.close
# Removing EOF 0x1a ctrl-z is presents
if len(header) != 0:
l = header[-1]
l = wstring.strip(l)
if l < ' ':
header = header[:-1]
tmpheader = [] # For rebuilding the file
defheader = {} # Define declarations inside header file
rcount = 0 # Replacements
kcount = 0 # Fully identical declaration
matches = 0 # Declarations with same names
COMMENT = FALSE # This flag is true inside a multiline comment
INSDEF = FALSE # This one inside a define declaration
INSBLK = FALSE # This one inside a compound block
oldline = "" # Save line for multi-lines declarations
for o in header: # Scanning the header file
line = wstring.chop(o) # Remove annoying line separators
if wstring.strip(line) == "": # Empty line, keep it
tmpheader.append(line)
continue
# If we enter a comment block, append it and process other code
if not COMMENT:
if not lexer.embeddedcomment(line):
COMMENT = lexer.opencomment(line)
else:
test = lexer.removecomment(line)
if wstring.strip(test) == "": # Simple one-line comment
tmpheader.append(line)
continue
# Inside comment, this is a multi-line comment
if COMMENT: # Comment opened
COMMENT = lexer.closecomment(line) # Always inside comment?
# End of multi-line comment
if not COMMENT: # Terminator reached
i = string.find(line, "*/")
if i == -1:
print "Error in parsing header"
sys.exit(0)
tmpheader.append(line[:i+2])
line = line[i + 2:] # Keeping the code is exists
# Start of multi-line comment
if COMMENT:
i = string.find(line, "/*")
if i != -1:
tmpheader.append(line[i:])
line = line[:i]
else:
tmpheader.append(line) # A line of the comment block
continue
line = wstring.strip(line)
if line == "": continue
# If we are inside a macro or pragma block, skip it
if not INSDEF: INSDEF = lexer.opendef(line)
if INSDEF:
INSDEF = lexer.closedef(line)
tmpheader.append(line)
continue
# If we are inside some block (struct, typedef), skip it
if not INSBLK: INSBLK = lexer.openblock(line)
if INSBLK:
INSBLK = lexer.closeblock(line)
tmpheader.append(line)
continue
# join declarations in splitted lines
if (line[ -1 ] == ","):
oldline = oldline + line
continue
else:
if (oldline != ""): line = oldline + line
oldline = ""
# Define statements are memorized
if line[0:7] == "#define":
key, value = lexer.splitdefine(line)
#print "in header", line, key, value
if key != None: defheader[key] = value # Add to dictionary
# Searching for var declarations in header file
elif lexer.isvardecl(line):
#print "var in header", line
for n in varlist[:]:
#print "in varlist", n
#test = wstring.replace(line, "global", "static", FALSE)
if lexer.samevar(line, n): # Same name
#print "samevars", line, n
matches = matches + 1
if lexer.vchanged(line, n):
#print "vchanged"
lexer.replace(line, n) # Replace, keep comments
#print "replaced=", line
line = lexer.shortened # old decl. in line replaced
if DEBUG: print "replacing", n
rcount = rcount + 1
else:
kcount = kcount + 1
varlist.remove(n)
break # exit for loop
line = lexer.addextern(line) # adding "extern" if missing
#print "new dec", line
# Searching for function declaration
elif lexer.isprototype(line):
for n in funclist[:]:
#print line, n
if lexer.samefunction(line, n): # Same name
matches = matches + 1
if lexer.fchanged(line, n): # Different returns or arguments
lexer.replace(line, n)
line = lexer.shortened
if DEBUG: print "replacing", line
rcount = rcount + 1
else:
kcount = kcount + 1
funclist.remove(n)
break
# In all case, adding the line, either changed or not
tmpheader.append(line)
# Rewriting and completing the header file
added = 0
k = defflag.keys()
for d in k:
#print "next key", d, defflag[d]
if defflag[d] == TRUE:
#print "defheader", defheader
if not defheader.has_key(d):
tmpheader.append(defline[d])
if DEBUG: print "adding", defline[d]
for line in varlist:
if lexer.isstatic(line): continue
tmpheader.append(line)
if DEBUG: print "adding", line
added = added + 1
for line in funclist:
tmpheader.append(line)
if DEBUG: print "adding", line
added = added + 1
# All done
pos = headername.find(".")
if (pos != -1):
headername = headername[ : pos]
headername += ".hpp"
hfile = open(headername, "wb")
for o in tmpheader: hfile.write(o + "\n")
hfile.close()
dummy, hname = os.path.split(headername)
print "***", defcount, "declaration" + wstring.plural(defcount)+',' , matches, "in", hname + "," , kcount, "identical", rcount , "replaced", added, "added"
print ""
return
def processheader(headername): # Old header, .h or .hpp
global classname
node, dummy = os.path.splitext(headername)
hpath = node + ".hpp" # Path of the new header .hpp
dummy, classname = os.path.split(node)
hname = classname + ".hpp" # Name of the new header
print "mkclass - processing" , headername
# Reading the file and removing end of file code if exists
header = []
if os.path.exists(headername):
hfile = open(headername, "rb")
header = hfile.readlines()
hfile.close
# Removing EOF 0x1a ctrl-z is presents
if len(header) != 0:
l = header[-1]
l = wstring.strip(l)
if l < ' ':
header = header[:-1]
tmpheader = [] # For rebuilding the file
sttname = ""
COMMENT = FALSE # This flag is true inside a multiline comment
INSDEF = FALSE # This one inside a define declaration
INSBLK = FALSE # This one inside a compound block
INSSTT = FALSE # this one inside a struct decl.
INSTYP = FALSE # this one inside a typedef decl.
TYPSTT = FALSE # inside a typedef of struct or enum
# The first loop copies all defines, multiline macros, blocks
# plus static vars and function
for o in header:
line = o
if line == os.linesep: continue
line = wstring.chop(line)
# If we are inside a comment block, skip it
if not COMMENT: COMMENT = lexer.opencomment(line)
if COMMENT:
COMMENT = lexer.closecomment(line)
continue
# macro statements are memorized
if not INSDEF: INSDEF = lexer.opendef(line)
if INSDEF:
#print "opend def", line
tmpheader.append(line)
INSDEF = lexer.closedef(line)
continue
# instances of enum, struct are outside class
if lexer.recordinstance(line):
#print "record", line
tmpheader.append(line)
continue
# Processing simple typedef
if lexer.newtype(line):
name = lexer.lastword(line)
if name is None:
print "Error no name in", line
else:
lexer.types.append(name)
#print "typedef:", name
#print "line", line
tmpheader.append(line)
continue
# processing typdef of struct
if not TYPSTT:
if lexer.typedefstruct(line):
TYPSTT = lexer.opentypedef(line)
if TYPSTT:
#print "inside typedef of struct", line
name = None
if lexer.typelevel == 0: # first line
name = lexer.getident(line)
if name != None:
lexer.types.append(name)
lexer.typstruct.append(name)
#print "new type 1:", name, lexer.typstruct, line
if TYPSTT:
tmpheader.append(line)
TYPSTT = lexer.closetypedef(line)
if not TYPSTT:
name = lexer.typename(line)
if name != None:
lexer.types.append(name)
lexer.typstruct.append(name)
#print "new type 2:" ,name, lexer.typstruct, line
continue
# processing compound typedef
if not INSTYP:
INSTYP = lexer.opentypedef(line)
if INSTYP:
#print "inside typedef", line
name = None
if lexer.typelevel == 0: # first line
name = lexer.getident(line)
if name != None:
lexer.types.append(name)
#print "new type 3:", name, line
if INSTYP:
tmpheader.append(line)
INSTYP = lexer.closetypedef(line)
if not INSTYP:
name = lexer.typename(line)
if name != None:
lexer.types.append(name)
#lexer.typstruct.append(name)
#print "new type 4:" ,name, line
continue
# structs declarations and instances are kept outside class
# as I consider they are ancestors of classes and objects
if not INSSTT:
INSSTT = lexer.openstruct(line) # test for start of struct
if INSSTT: # found
#print "inside struct", line
name = None
if lexer.structlevel == 0:
name = lexer.structname(line) # get name
if name != None:
lexer.types.append(name) # add to types for good parsing
lexer.typstruct.append(name)
#print "new type 5:", name
#print "line", line
if INSSTT: # always inside struct
INSSTT = lexer.closestruct(line) # test for end
tmpheader.append(line)
continue
# Define are memorized
if lexer.isdefine(line):
tmpheader.append(line)
continue
# instances of typedef of struct are outside the class also
# static vars remain global and are added to this list
# the static modifier should be removed for C++
if lexer.isvardecl(line):
#print "pass I - isvardecl", line
if lexer.isglobal(line):
line = lexer.removeglobal(line)
tmpheader.append(lexer.addextern(line))
#print "global added", lexer.addextern(line)
continue
if lexer.istypstruct(line):
tmpheader.append(line)
continue
# static function added to list
if lexer.isglobal(line):
if lexer.isprototype(line):
tmpheader.append(line)
# end of for
# Second pass
tmpheader.append("")
tmpheader.append("class " + classname)
tmpheader.append("{")
tmpheader.append("public:")
COMMENT = FALSE
INSDEF = FALSE
INSBLK = FALSE
INSSTT = FALSE
INSTYP = FALSE
INUNION = FALSE
# The second loop build a class and
# copies all variables, functions, comments
for o in header:
line = wstring.chop(o)
if line == None: break
# Empty lines are kept
if wstring.strip(line) == "":
tmpheader.append("")
continue
# If we enter a comment block, append it and process other code
if not COMMENT:
if not lexer.embeddedcomment(line):
COMMENT = lexer.opencomment(line)
else:
test = lexer.removecomment(line)
if wstring.strip(test) == "": # Simple one-line comment
tmpheader.append(line)
continue
# Inside comment, this is a multi-line comment
if COMMENT: # Comment opened
COMMENT = lexer.closecomment(line) # Always inside comment?
# End of multi-line comment
if not COMMENT: # Terminator reached
i = string.find(line, "*/")
if i == -1:
print "Error in parsing header"
sys.exit(0)
tmpheader.append(line[:i+2])
line = line[i + 2:] # Keeping the code is exists
# Start of multi-line comment
if COMMENT:
i = string.find(line, "/*")
if i != -1:
tmpheader.append(line[i:])
line = line[:i]
else:
tmpheader.append(line) # A line of the comment block
continue
line = wstring.strip(line)
if line == "": continue
# If we are inside a macro or pragma block, skip it
if not INSDEF: INSDEF = lexer.opendef(line)
if INSDEF:
INSDEF = lexer.closedef(line)
continue
if lexer.isdefine(line): continue
# struct declaration are now ignored
if not INSSTT: INSSTT = lexer.openstruct(line)
if INSSTT: # inside block
sttname = ""
#print "(inside struct)", line
#if lexer.structlevel == 0: # start or decl.
# name = lexer.structname(line) # get name of structure
# if name != None: sttname = name
#print "structname", sttname
INSSTT = lexer.closestruct(line) # end of block?
# if INSSTT: continue
continue # while in struct continue
# typedef are now ignored
if not INSTYP: INSTYP = lexer.opentypedef(line)
if INSTYP:
#print "(in typedef)", line
INSTYP = lexer.closetypedef(line)
continue
# union are stored without change
if not INUNION:
INUNION = lexer.openunion(line)
if INUNION:
#print "in union", line
INUNION = lexer.closeunion(line)
tmpheader.append(line)
continue
#print "(mkclass, test for func or var)", line
# prototype is kept, remove extern if present
if lexer.isprototype(line):
if lexer.isglobal(line):
continue
line = lexer.removextern(line)
pass
elif lexer.isvardecl(line):
# static vars remain global in C++ (convention)
#print "pass II - var", line
if lexer.isglobal(line):
#print "global, pass"
continue
# ignore an instance of struct
if lexer.istypstruct(line):
#print "mkclass (detect inst. of typedef struct)", line
continue # "struct" found
# ignore an user's type of struct
name = lexer.getident(line)
#print "getident", name
if name is None: continue
if name in lexer.typstruct:
#print "in struct", name
continue
# normal variable becomes attribute
# inside class, remove "extern"
line = lexer.removextern(line)
#print "mkclass (new line):", line
else: pass
tmpheader.append(line)
#print line
# End of loop
tmpheader.append("};")
# Creating the new C++ header file with .hpp extension
nh = open(hpath, "wb")
for str in tmpheader:
nh.write(str + "\n")
nh.write("\n")
nh.close()
print "class", classname, "created into", hname
