Package wafadmin :: Package Tools :: Module preproc

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Module preproc

source code

Classes

[hide private]

PreprocError

c_parser

Functions

[hide private]

repl(m)

source code

filter_comments(filename)

source code

reduce_nums(val_1, val_2, val_op)

source code

get_expr(lst, defs, ban)

source code

process_tokens(lst, defs, ban)

source code

eval_macro(lst, adefs)

source code

extract_macro(txt)

source code

extract_include(txt, defs)

source code

parse_char(txt)

source code

tokenize(s)

source code

Variables

[hide private]

go_absolute = 0
set to 1 to track headers on files in /usr/include - else absolute paths are ignored

standard_includes = []

use_trigraphs = 0
apply the trigraph rules first

strict_quotes = 0
Keep <> for system includes (do not search for those includes)

g_optrans = {'not': '!', 'and': '&&', 'bitand': '&', 'and_eq':...
these ops are for c++, to reset, set an empty dict

re_lines = re.compile('^[ \t]*(#|%:)[ \t]*(ifdef|ifndef|if|els...

re_mac = re.compile("^[a-zA-Z_]\w*")

re_fun = re.compile('^[a-zA-Z_][a-zA-Z0-9_]*[(]')

re_pragma_once = re.compile('^\s*once\s*', re.IGNORECASE)

re_nl = re.compile('\\\\\r*\n', re.MULTILINE)

re_cpp = re.compile(r"""(/\*[^*]*\*+([^/*][^*]*\*+)*/)|//[^\n]...

trig_def = [('??'+ a, b) for a, b in zip("=-/!'()<>", r'#~\|^[...

chr_esc = {'0': 0, 'a': 7, 'b': 8, 't': 9, 'n': 10, 'f': 11, '...

NUM = 'i'

OP = 'O'

IDENT = 'T'

STR = 's'

CHAR = 'c'

tok_types = [NUM, STR, IDENT, OP]

exp_types = [r"""0[xX](?P<hex>[a-fA-F0-9]+)(?P<qual1>[uUlL]*)|...

re_clexer = re.compile('|'.join(["(?P<%s>%s)" %(name, part) fo...

accepted = 'a'

ignored = 'i'

undefined = 'u'

skipped = 's'

prec = {}

ops = ['* / %', '+ -', '<< >>', '< <= >= >', '== !=', '& | ^',...

re_include = re.compile('^\s*(<(?P<a>.*)>|"(?P<b>.*)")')

Variables Details

[hide private]

g_optrans

these ops are for c++, to reset, set an empty dict

Value:

{'not': '!', 'and': '&&', 'bitand': '&', 'and_eq': '&=', 'or': '||', '
bitor': '|', 'or_eq': '|=', 'xor': '^', 'xor_eq': '^=', 'compl': '~',}

re_lines

Value:

re.compile('^[ \t]*(#|%:)[ \t]*(ifdef|ifndef|if|else|elif|endif|includ
e|import|define|undef|pragma)[ \t]*(.*)\r*$', re.IGNORECASE | re.MULTI
LINE)

re_cpp

Value:

re.compile(r"""(/\*[^*]*\*+([^/*][^*]*\*+)*/)|//[^\n]*|("(\\.|[^"\\])*
"|'(\\.|[^'\\])*'|.[^/"'\\]*)""", re.MULTILINE)

trig_def

Value:

[('??'+ a, b) for a, b in zip("=-/!'()<>", r'#~\|^[]{}')]

chr_esc

Value:

{'0': 0, 'a': 7, 'b': 8, 't': 9, 'n': 10, 'f': 11, 'v': 12, 'r': 13, '
\\': 92, "'": 39}

exp_types

Value:

[r"""0[xX](?P<hex>[a-fA-F0-9]+)(?P<qual1>[uUlL]*)|L*?'(?P<char>(\\.|[^
\\'])+)'|(?P<n1>\d+)[Ee](?P<exp0>[+-]*?\d+)(?P<float0>[fFlL]*)|(?P<n2>
\d*\.\d+)([Ee](?P<exp1>[+-]*?\d+))?(?P<float1>[fFlL]*)|(?P<n4>\d+\.\d*
)([Ee](?P<exp2>[+-]*?\d+))?(?P<float2>[fFlL]*)|(?P<oct>0*)(?P<n0>\d+)(
?P<qual2>[uUlL]*)""", r'L?"([^"\\]|\\.)*"', r'[a-zA-Z_]\w*', r'%:%:|<<
=|>>=|\.\.\.|<<|<%|<:|<=|>>|>=|\+\+|\+=|--|->|-=|\*=|/=|%:|%=|%>|==|&&
|&=|\|\||\|=|\^=|:>|!=|##|[\(\)\{\}\[\]<>\?\|\^\*\+&=:!#;,%/\-\?\~\.]'
,]

re_clexer

Value:

re.compile('|'.join(["(?P<%s>%s)" %(name, part) for name, part in zip(
tok_types, exp_types)]), re.M)

ops

Value:

['* / %', '+ -', '<< >>', '< <= >= >', '== !=', '& | ^', '&& ||', ',']