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|
import os
import glob
from ply import lex
from ply import yacc
def scandir(dir, filetypes):
files = []
dirs = [f for f in os.listdir(dir)
if os.path.isdir(os.path.join(dir, f))]
for dir_path in dirs:
files += scandir(dir + "/" + dir_path, filetypes)
for filetype in filetypes:
files += glob.glob(dir + "/*" + filetype)
return files
#lex stuff begins here
def scanincludes(string,inclst):
tokens = (
"GINCLUDE",
"LINCLUDE",
"BUNDLEINC",
"IFDEF",
"ENDIF",
)
states = (
("com","exclusive"), #comment
("ifdef","inclusive"),
)
t_ANY_ignore = " \t"
def t_begin_com(t):
r"/\*"
t.lexer.push_state("com")
def t_com_end(t):
r"\*/"
t.lexer.pop_state()
pass
def t_line_com(t):
r"//.*"
pass
def t_ANY_begin_if0(t):
r"\#if[ \t]+0"
t.lexer.push_state("com")
def t_com_endif(t):
r"\#endif"
t.lexer.pop_state()
pass
def t_com_ifdef(t):
r"\#ifdef"
t.lexer.push_state("com")
def t_IFDEF(t):
r"\#ifdef[ \t]+[a-zA-Z_][a-zA-Z0-9_]*"
t.value = t.value[6:].strip() #return the ifdef name
t.lexer.push_state("ifdef")
return t
def t_ifdef_ENDIF(t):
r"\#endif"
t.lexer.pop_state()
return t
def t_GINCLUDE(t):
r"\#[Ii][Nn][Cc][Ll][Uu][Dd][Ee][ \t]+<.*\.h>"
t.value = t.value[8:].strip().strip("<>")
return t
def t_LINCLUDE(t):
r"\#[Ii][Nn][Cc][Ll][Uu][Dd][Ee][ \t]+\".*\.h\""
t.value = t.value[8:].strip().strip('""')
return t
def t_BUNDLEINC(t):
r"\#[Ii][Nn][Cc][Ll][Uu][Dd][Ee][ \t]+<.*>"
pass
def t_ANY_error(t):
#print("Illegal character '%s'" % t.value[0])
t.lexer.skip(1)
lexer = lex.lex()
#lexer.input(string)
#
#for tok in lexer:
# print(tok)
#
#YACC stuff here
def p_includes2(p):
"""
includes : includes ginc
| includes linc
| includes IFDEF includes ENDIF
| IFDEF includes ENDIF
"""
def p_includes(p):
"""
includes : ginc
| linc
"""
def p_ginclude(p):
"ginc : GINCLUDE"
inclst[0].add(p[1])
def p_linclude(p):
"linc : LINCLUDE"
inclst[1].add(p[1])
def p_error(p):
#print("syntax error at '%s'" % p.type)
pass
yacc.yacc()
yacc.parse(string)
return(inclst)
def startscan(dir,filetypes):
global_hfiles = set()
local_hfiles = set()
inclst = [global_hfiles,local_hfiles]
for file in scandir(dir, filetypes):
print(file)
with open(file, encoding="utf-8", errors="replace") as inputfile:
inclst = scanincludes(inputfile.read(),inclst)
return(inclst)
|
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