Viewing file:  _state_machine.py (6.52 KB) -rw-r--r--
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f'''
struct {ANON_IDENTIFIER};
struct {{ ... }}
struct {IDENTIFIER} {{ ... }}
union {ANON_IDENTIFIER};
union {{ ... }}
union {IDENTIFIER} {{ ... }}
enum {ANON_IDENTIFIER};
enum {{ ... }}
enum {IDENTIFIER} {{ ... }}
typedef {VARTYPE} {IDENTIFIER};
typedef {IDENTIFIER};
typedef {IDENTIFIER};
typedef {IDENTIFIER};
'''
def parse(srclines):
if isinstance(srclines, str): # a filename
raise NotImplementedError
# This only handles at most 10 nested levels.
#MATCHED_PARENS = textwrap.dedent(rf'''
# # matched parens
# (?:
# [(] # level 0
# (?:
# [^()]*
# [(] # level 1
# (?:
# [^()]*
# [(] # level 2
# (?:
# [^()]*
# [(] # level 3
# (?:
# [^()]*
# [(] # level 4
# (?:
# [^()]*
# [(] # level 5
# (?:
# [^()]*
# [(] # level 6
# (?:
# [^()]*
# [(] # level 7
# (?:
# [^()]*
# [(] # level 8
# (?:
# [^()]*
# [(] # level 9
# (?:
# [^()]*
# [(] # level 10
# [^()]*
# [)]
# )*
# [^()]*
# [)]
# )*
# [^()]*
# [)]
# )*
# [^()]*
# [)]
# )*
# [^()]*
# [)]
# )*
# [^()]*
# [)]
# )*
# [^()]*
# [)]
# )*
# [^()]*
# [)]
# )*
# [^()]*
# [)]
# )*
# [^()]*
# [)]
# )*
# [^()]*
# [)]
# )
# # end matched parens
# ''')
'''
# for loop
(?:
\s* \b for
\s* [(]
(
[^;]* ;
[^;]* ;
.*?
) # <header>
[)]
\s*
(?:
(?:
(
{_ind(SIMPLE_STMT, 6)}
) # <stmt>
;
)
|
( {{ ) # <open>
)
)
|
(
(?:
(?:
(?:
{_ind(SIMPLE_STMT, 6)}
)?
return \b \s*
{_ind(INITIALIZER, 5)}
)
|
(?:
(?:
{IDENTIFIER} \s*
(?: . | -> ) \s*
)*
{IDENTIFIER}
\s* = \s*
{_ind(INITIALIZER, 5)}
)
|
(?:
{_ind(SIMPLE_STMT, 5)}
)
)
|
# cast compound literal
(?:
(?:
[^'"{{}};]*
{_ind(STRING_LITERAL, 5)}
)*
[^'"{{}};]*?
[^'"{{}};=]
=
\s* [(] [^)]* [)]
\s* {{ [^;]* }}
)
) # <stmt>
# compound statement
(?:
(
(?:
# "for" statements are handled separately above.
(?: (?: else \s+ )? if | switch | while ) \s*
{_ind(COMPOUND_HEAD, 5)}
)
|
(?: else | do )
# We do not worry about compound statements for labels,
# "case", or "default".
)? # <header>
\s*
( {{ ) # <open>
)
(
(?:
[^'"{{}};]*
{_ind(STRING_LITERAL, 5)}
)*
[^'"{{}};]*
# Presumably we will not see "== {{".
[^\s='"{{}};]
)? # <header>
(
\b
(?:
# We don't worry about labels with a compound statement.
(?:
switch \s* [(] [^{{]* [)]
)
|
(?:
case \b \s* [^:]+ [:]
)
|
(?:
default \s* [:]
)
|
(?:
do
)
|
(?:
while \s* [(] [^{{]* [)]
)
|
#(?:
# for \s* [(] [^{{]* [)]
# )
#|
(?:
if \s* [(]
(?: [^{{]* [^)] \s* {{ )* [^{{]*
[)]
)
|
(?:
else
(?:
\s*
if \s* [(]
(?: [^{{]* [^)] \s* {{ )* [^{{]*
[)]
)?
)
)
)? # <header>
'''
|
