def __start_mode(applicable_mode_name_list, mode_name_list):
"""If more then one mode is defined, then that requires an explicit
definition 'start = mode'.
"""
assert len(applicable_mode_name_list) != 0
start_mode = lexer_mode.initial_mode.get_pure_code()
if start_mode == "":
# Choose an applicable mode as start mode
start_mode = applicable_mode_name_list[0]
lexer_mode.initial_mode = CodeFragment(start_mode)
if len(applicable_mode_name_list) > 1:
error_msg("No initial mode defined via 'start' while more than one applicable mode exists.\n" + \
"Use for example 'start = %s;' in the quex source file to define an initial mode." \
% start_mode)
# This Branch: start mode is applicable and present
else:
FileName = lexer_mode.initial_mode.filename
LineN = lexer_mode.initial_mode.line_n
# Start mode present and applicable?
verify_word_in_list(start_mode, mode_name_list,
"Start mode '%s' is not defined." % start_mode,
FileName, LineN)
verify_word_in_list(
start_mode, applicable_mode_name_list,
"Start mode '%s' is inheritable only and cannot be instantiated." %
start_mode, FileName, LineN)
def __start_mode(applicable_mode_name_list, mode_name_list):
"""If more then one mode is defined, then that requires an explicit
definition 'start = mode'.
"""
assert len(applicable_mode_name_list) != 0
start_mode = lexer_mode.initial_mode.get_pure_code()
if start_mode == "":
# Choose an applicable mode as start mode
start_mode = applicable_mode_name_list[0]
lexer_mode.initial_mode = CodeFragment(start_mode)
if len(applicable_mode_name_list) > 1:
error_msg("No initial mode defined via 'start' while more than one applicable mode exists.\n" + \
"Use for example 'start = %s;' in the quex source file to define an initial mode." \
% start_mode)
# This Branch: start mode is applicable and present
else:
FileName = lexer_mode.initial_mode.filename
LineN = lexer_mode.initial_mode.line_n
# Start mode present and applicable?
verify_word_in_list(start_mode, mode_name_list,
"Start mode '%s' is not defined." % start_mode,
FileName, LineN)
verify_word_in_list(start_mode, applicable_mode_name_list,
"Start mode '%s' is inheritable only and cannot be instantiated." % start_mode,
FileName, LineN)
def snap_set_term(stream, PatternDict):
__debug_entry("set_term", stream)
operation_list = ["union", "intersection", "difference", "inverse"]
character_set_list = special_character_set_db().keys()
skip_whitespace(stream)
position = stream.tell()
# if there is no following '(', then enter the 'snap_expression' block below
word = read_identifier(stream)
if word in operation_list:
set_list = snap_set_list(stream, word, PatternDict)
# if an error occurs during set_list parsing, an exception is thrown about syntax error
L = len(set_list)
result = set_list[0]
if word == "inverse":
# The inverse of multiple sets, is to be the inverse of the union of these sets.
if L > 1:
for character_set in set_list[1:]:
result.unite_with(character_set)
result = result.inverse()
if Setup.get_character_value_limit() != -1:
result.intersect_with(
Interval(0, Setup.get_character_value_limit()))
return __debug_exit(result, stream)
if L < 2:
raise RegularExpressionException("Regular Expression: A %s operation needs at least\n" % word + \
"two sets to operate on them.")
if word == "union":
for set in set_list[1:]:
result.unite_with(set)
elif word == "intersection":
for set in set_list[1:]:
result.intersect_with(set)
elif word == "difference":
for set in set_list[1:]:
result.subtract(set)
elif word in character_set_list:
result = special_character_set_db()[word]
elif word != "":
verify_word_in_list(word, character_set_list + operation_list,
"Unknown keyword '%s'." % word, stream)
else:
stream.seek(position)
result = snap_set_expression(stream, PatternDict)
return __debug_exit(result, stream)
def __get_distinct_codec_name_for_alias(CodecAlias, FH=-1, LineN=None):
"""Arguments FH and LineN correspond to the arguments of error_msg."""
assert len(CodecAlias) != 0
for record in get_codec_list_db():
if CodecAlias in record[1] or CodecAlias == record[0]:
return record[0]
verify_word_in_list(CodecAlias, get_supported_codec_list(),
"Character encoding '%s' unknown to current version of quex." % CodecAlias,
FH, LineN)
def snap_set_term(stream, PatternDict):
__debug_entry("set_term", stream)
operation_list = [ "union", "intersection", "difference", "inverse"]
character_set_list = special_character_set_db().keys()
skip_whitespace(stream)
position = stream.tell()
# if there is no following '(', then enter the 'snap_expression' block below
word = read_identifier(stream)
if word in operation_list:
set_list = snap_set_list(stream, word, PatternDict)
# if an error occurs during set_list parsing, an exception is thrown about syntax error
L = len(set_list)
result = set_list[0]
if word == "inverse":
# The inverse of multiple sets, is to be the inverse of the union of these sets.
if L > 1:
for character_set in set_list[1:]:
result.unite_with(character_set)
result = result.inverse()
if Setup.get_character_value_limit() != -1:
result.intersect_with(Interval(0, Setup.get_character_value_limit()))
return __debug_exit(result, stream)
if L < 2:
raise RegularExpressionException("Regular Expression: A %s operation needs at least\n" % word + \
"two sets to operate on them.")
if word == "union":
for set in set_list[1:]:
result.unite_with(set)
elif word == "intersection":
for set in set_list[1:]:
result.intersect_with(set)
elif word == "difference":
for set in set_list[1:]:
result.subtract(set)
elif word in character_set_list:
result = special_character_set_db()[word]
elif word != "":
verify_word_in_list(word, character_set_list + operation_list,
"Unknown keyword '%s'." % word, stream)
else:
stream.seek(position)
result = snap_set_expression(stream, PatternDict)
return __debug_exit(result, stream)
def __entry_exit_transitions(mode, mode_name_list):
FileName = mode.filename
LineN = mode.line_n
for mode_name in mode.options["exit"]:
verify_word_in_list(mode_name, mode_name_list,
"Mode '%s' allows entry from\nmode '%s' but no such mode exists." % \
(mode.name, mode_name), FileName, LineN)
that_mode = lexer_mode.mode_description_db[mode_name]
# Other mode allows all entries => don't worry.
if len(that_mode.options["entry"]) == 0: continue
# Other mode restricts the entries from other modes
# => check if this mode or one of the base modes can enter
for base_mode in mode.get_base_mode_sequence():
if base_mode.name in that_mode.options["entry"]: break
else:
error_msg("Mode '%s' has an exit to mode '%s' but" %
(mode.name, mode_name),
FileName,
LineN,
DontExitF=True,
WarningF=False)
error_msg("mode '%s' has no entry for mode '%s'\n" % (mode_name, mode.name) + \
"or any of its base modes.",
that_mode.filename, that_mode.line_n)
for mode_name in mode.options["entry"]:
# Does that mode exist?
verify_word_in_list(mode_name, mode_name_list,
"Mode '%s' allows entry from\nmode '%s' but no such mode exists." % \
(mode.name, mode_name), FileName, LineN)
that_mode = lexer_mode.mode_description_db[mode_name]
# Other mode allows all exits => don't worry.
if len(that_mode.options["exit"]) == 0: continue
# Other mode restricts the exits to other modes
# => check if this mode or one of the base modes can be reached
for base_mode in mode.get_base_mode_sequence():
if base_mode.name in that_mode.options["exit"]: break
else:
error_msg("Mode '%s' has an entry for mode '%s' but" %
(mode.name, mode_name),
FileName,
LineN,
DontExitF=True,
WarningF=False)
error_msg("mode '%s' has no exit to mode '%s'\n" % (mode_name, mode.name) + \
"or any of its base modes.",
that_mode.filename, that_mode.line_n)
def __get_distinct_codec_name_for_alias(CodecAlias, FH=-1, LineN=None):
"""Arguments FH and LineN correspond to the arguments of error_msg."""
assert len(CodecAlias) != 0
for record in get_codec_list_db():
if CodecAlias in record[1] or CodecAlias == record[0]:
return record[0]
verify_word_in_list(
CodecAlias, get_supported_codec_list(),
"Character encoding '%s' unknown to current version of quex." %
CodecAlias, FH, LineN)
def get_codecs_for_language(Language):
result = []
for record in get_codec_list_db():
codec = record[0]
if codec not in get_supported_codec_list(): continue
if Language in record[2]:
result.append(record[0])
if result == []:
verify_word_in_list(Language, get_supported_language_list(),
"No codec found for language '%s'." % Language)
return result
def get_codecs_for_language(Language):
result = []
for record in get_codec_list_db():
codec = record[0]
if codec not in get_supported_codec_list(): continue
if Language in record[2]:
result.append(record[0])
if result == []:
verify_word_in_list(Language, get_supported_language_list(),
"No codec found for language '%s'." % Language)
return result
def __determine_base_mode_sequence(self, ModeDescr, InheritancePath):
"""Determine the sequence of base modes. The type of sequencing determines
also the pattern precedence. The 'deep first' scheme is chosen here. For
example a mode hierarchie of
A
/ \
B C
/ \ / \
D E F G
results in a sequence: (A, B, D, E, C, F, G).reverse()
This means, that patterns and event handlers of 'E' have precedence over
'C' because they are the childs of a preceding base mode.
This function detects circular inheritance.
"""
if ModeDescr.name in InheritancePath:
msg = "mode '%s'\n" % InheritancePath[0]
for mode_name in InheritancePath[InheritancePath.index(ModeDescr.
name) + 1:]:
msg += " inherits mode '%s'\n" % mode_name
msg += " inherits mode '%s'" % ModeDescr.name
error_msg("circular inheritance detected:\n" + msg,
ModeDescr.filename, ModeDescr.line_n)
base_mode_name_list_reversed = deepcopy(ModeDescr.base_modes)
#base_mode_name_list_reversed.reverse()
for name in base_mode_name_list_reversed:
# -- does mode exist?
verify_word_in_list(
name, mode_description_db.keys(),
"Mode '%s' inherits mode '%s' which does not exist." %
(ModeDescr.name, name), ModeDescr.filename, ModeDescr.line_n)
if name in map(lambda m: m.name, self.__base_mode_sequence):
continue
# -- grab the mode description
mode_descr = mode_description_db[name]
self.__determine_base_mode_sequence(
mode_descr, InheritancePath + [ModeDescr.name])
self.__base_mode_sequence.append(ModeDescr)
return self.__base_mode_sequence
def __entry_exit_transitions(mode, mode_name_list):
FileName = mode.filename
LineN = mode.line_n
for mode_name in mode.options["exit"]:
verify_word_in_list(mode_name, mode_name_list,
"Mode '%s' allows entry from\nmode '%s' but no such mode exists." % \
(mode.name, mode_name), FileName, LineN)
that_mode = lexer_mode.mode_description_db[mode_name]
# Other mode allows all entries => don't worry.
if len(that_mode.options["entry"]) == 0: continue
# Other mode restricts the entries from other modes
# => check if this mode or one of the base modes can enter
for base_mode in mode.get_base_mode_sequence():
if base_mode.name in that_mode.options["entry"]: break
else:
error_msg("Mode '%s' has an exit to mode '%s' but" % (mode.name, mode_name),
FileName, LineN, DontExitF=True, WarningF=False)
error_msg("mode '%s' has no entry for mode '%s'\n" % (mode_name, mode.name) + \
"or any of its base modes.",
that_mode.filename, that_mode.line_n)
for mode_name in mode.options["entry"]:
# Does that mode exist?
verify_word_in_list(mode_name, mode_name_list,
"Mode '%s' allows entry from\nmode '%s' but no such mode exists." % \
(mode.name, mode_name), FileName, LineN)
that_mode = lexer_mode.mode_description_db[mode_name]
# Other mode allows all exits => don't worry.
if len(that_mode.options["exit"]) == 0: continue
# Other mode restricts the exits to other modes
# => check if this mode or one of the base modes can be reached
for base_mode in mode.get_base_mode_sequence():
if base_mode.name in that_mode.options["exit"]: break
else:
error_msg("Mode '%s' has an entry for mode '%s' but" % (mode.name, mode_name),
FileName, LineN, DontExitF=True, WarningF=False)
error_msg("mode '%s' has no exit to mode '%s'\n" % (mode_name, mode.name) + \
"or any of its base modes.",
that_mode.filename, that_mode.line_n)
def __determine_base_mode_sequence(self, ModeDescr, InheritancePath):
"""Determine the sequence of base modes. The type of sequencing determines
also the pattern precedence. The 'deep first' scheme is chosen here. For
example a mode hierarchie of
A
/ \
B C
/ \ / \
D E F G
results in a sequence: (A, B, D, E, C, F, G).reverse()
This means, that patterns and event handlers of 'E' have precedence over
'C' because they are the childs of a preceding base mode.
This function detects circular inheritance.
"""
if ModeDescr.name in InheritancePath:
msg = "mode '%s'\n" % InheritancePath[0]
for mode_name in InheritancePath[InheritancePath.index(ModeDescr.name) + 1:]:
msg += " inherits mode '%s'\n" % mode_name
msg += " inherits mode '%s'" % ModeDescr.name
error_msg("circular inheritance detected:\n" + msg, ModeDescr.filename, ModeDescr.line_n)
base_mode_name_list_reversed = deepcopy(ModeDescr.base_modes)
#base_mode_name_list_reversed.reverse()
for name in base_mode_name_list_reversed:
# -- does mode exist?
verify_word_in_list(name, mode_description_db.keys(),
"Mode '%s' inherits mode '%s' which does not exist." % (ModeDescr.name, name),
ModeDescr.filename, ModeDescr.line_n)
if name in map(lambda m: m.name, self.__base_mode_sequence): continue
# -- grab the mode description
mode_descr = mode_description_db[name]
self.__determine_base_mode_sequence(mode_descr, InheritancePath + [ModeDescr.name])
self.__base_mode_sequence.append(ModeDescr)
return self.__base_mode_sequence
def do(fh):
"""Parses pattern definitions of the form:
[ \t] => grid 4;
[:intersection([:alpha:], [\X064-\X066]):] => space 1;
In other words the right hand side *must* be a character set.
"""
indentation_setup = IndentationSetup(fh)
# NOTE: Catching of EOF happens in caller: parse_section(...)
#
skip_whitespace(fh)
while 1 + 1 == 2:
skip_whitespace(fh)
if check(fh, ">"):
indentation_setup.seal()
indentation_setup.consistency_check(fh)
return indentation_setup
# A regular expression state machine
pattern_str, state_machine = regular_expression.parse(fh)
skip_whitespace(fh)
if not check(fh, "=>"):
error_msg("Missing '=>' after character set definition.", fh)
skip_whitespace(fh)
identifier = read_identifier(fh)
if identifier == "":
error_msg("Missing identifier for indentation element definition.",
fh)
verify_word_in_list(
identifier, ["space", "grid", "bad", "newline", "suppressor"],
"Unrecognized indentation specifier '%s'." % identifier, fh)
trigger_set = None
if identifier in ["space", "bad", "grid"]:
if len(state_machine.states) != 2:
error_msg("For indentation '%s' only patterns are addmissible which\n" % identifier + \
"can be matched by a single character, e.g. \" \" or [a-z].", fh)
transition_map = state_machine.get_init_state().transitions(
).get_map()
assert len(transition_map) == 1
trigger_set = transition_map.values()[0]
skip_whitespace(fh)
if identifier == "space":
value = read_integer(fh)
if value != None:
indentation_setup.specify_space(pattern_str, trigger_set,
value, fh)
else:
# not a number received, is it an identifier?
variable = read_identifier(fh)
if variable != "":
indentation_setup.specify_space(pattern_str, trigger_set,
variable, fh)
else:
indentation_setup.specify_space(pattern_str, trigger_set,
1, fh)
elif identifier == "grid":
value = read_integer(fh)
if value != None:
indentation_setup.specify_grid(pattern_str, trigger_set, value,
fh)
else:
# not a number received, is it an identifier?
skip_whitespace(fh)
variable = read_identifier(fh)
if variable != "":
indentation_setup.specify_grid(pattern_str, trigger_set,
variable, fh)
else:
error_msg(
"Missing integer or variable name after keyword 'grid'.",
fh)
elif identifier == "bad":
indentation_setup.specify_bad(pattern_str, trigger_set, fh)
elif identifier == "newline":
indentation_setup.specify_newline(pattern_str, state_machine, fh)
elif identifier == "suppressor":
indentation_setup.specify_suppressor(pattern_str, state_machine,
fh)
else:
assert False, "Unreachable code reached."
if not check(fh, ";"):
error_msg(
"Missing ';' after indentation '%s' specification." %
identifier, fh)
def do(setup, command_line, argv):
"""Does a consistency check for setup and the command line.
"""
setup.output_directory = os.path.normpath(setup.output_directory)
if setup.output_directory != "":
# Check, if the output directory exists
if os.access(setup.output_directory, os.F_OK) == False:
error_msg("The directory %s was specified for output, but does not exists." % setup.output_directory)
if os.access(setup.output_directory, os.W_OK) == False:
error_msg("The directory %s was specified for output, but is not writeable." % setup.output_directory)
# if the mode is 'plotting', then check wether a graphic format is speicified
for plot_option in SETUP_INFO["plot_graphic_format"][0]:
if plot_option in argv and setup.plot_graphic_format == "":
error_msg("Option '%s' must be followed by a graphic format specifier (bmp, svg, jpg, ...)" % \
plot_option)
if setup.plot_character_display not in ["hex", "utf8"]:
error_msg("Plot character display must be either 'hex' or 'utf8'.\nFound: '%s'" %
setup.plot_character_display)
# ensure that options are not specified twice
for parameter, info in SETUP_INFO.items():
if type(info) != list: continue
occurence_n = 0
for option in info[0]:
occurence_n += argv.count(option)
if occurence_n > 1:
error_msg("Received more than one of the following options:\n" + \
"%s" % repr(info[0])[1:-1])
# (*) Check for 'Depraceted' Options ___________________________________________________
for name, info in DEPRECATED.items():
command_line_options = SETUP_INFO[name][0]
comment = info[0]
depreciated_since_version = info[1]
for option in command_line_options:
if command_line.search(option):
error_msg("Command line option '%s' is ignored.\n" % option + \
comment + "\n" + \
"Last version of Quex supporting this option is version %s. Please, visit\n" % \
depreciated_since_version + \
"http://quex.org for further information.")
# (*) Check for 'Straying' Options ___________________________________________________
options = []
for key, info in SETUP_INFO.items():
if type(info) != list: continue
if key in DEPRECATED: continue
if info[1] != None: options.extend(info[0])
options.sort(lambda a,b: cmp(a.replace("-",""), b.replace("-","")))
ufos = command_line.unidentified_options(options)
if ufos != []:
error_msg("Unidentified option(s) = " + repr(ufos) + "\n" + \
__get_supported_command_line_option_description(options))
if setup.analyzer_derived_class_name != "" and \
setup.analyzer_derived_class_file == "":
error_msg("Specified derived class '%s' on command line, but it was not\n" % \
setup.analyzer_derived_class_name + \
"specified which file contains the definition of it.\n" + \
"use command line option '--derived-class-file'.\n")
if setup.buffer_element_size not in [-1, 1, 2, 4]:
error_msg("The setting of '--buffer-element-size' (or '-b') can only be\n"
"1, 2, or 4 (found %s)." % repr(setup.buffer_element_size))
if setup.buffer_byte_order not in ["<system>", "little", "big"]:
error_msg("Byte order (option --endian) must be 'little', 'big', or '<system>'.\n" + \
"Note, that this option is only interesting for cross plattform development.\n" + \
"By default, quex automatically chooses the endian type of your system.")
# Manually written token class requires token class name to be specified
if setup.token_class_file != "" and command_line.search("--token-class", "--tc") == False:
error_msg("The use of a manually written token class requires that the name of the class\n"
"is specified on the command line via the '--token-class' option.")
# Token queue
if setup.token_policy != "queue" and command_line.search("--token-queue-size"):
error_msg("Option --token-queue-size determines a fixed token queue size. This makes\n" + \
"only sense in conjunction with '--token-policy queue'.\n")
if setup.token_queue_size <= setup.token_queue_safety_border + 1:
if setup.token_queue_size == setup.token_queue_safety_border: cmp_str = "equal to"
else: cmp_str = "less than"
error_msg("Token queue size is %i is %s token queue safety border %i + 1.\n" % \
(setup.token_queue_size, cmp_str, setup.token_queue_safety_border) +
"Set appropriate values with --token-queue-size and --token-queue-safety-border.")
# Check that names are valid identifiers
__check_identifier(setup, "token_id_prefix_plain", "Token prefix")
__check_identifier(setup, "analyzer_class_name", "Engine name")
if setup.analyzer_derived_class_name != "":
__check_identifier(setup, "analyzer_derived_class_name", "Derived class name")
__check_file_name(setup, "token_class_file", "file containing token class definition")
__check_file_name(setup, "analyzer_derived_class_file", "file containing user derived lexer class")
__check_file_name(setup, "token_id_foreign_definition_file", "file containing user token ids")
__check_file_name(setup, "input_mode_files", "quex source file")
# Check that not more than one converter is specified
converter_n = 0
if setup.converter_iconv_f: converter_n += 1
if setup.converter_icu_f: converter_n += 1
if setup.converter_user_new_func != "": converter_n += 1
if converter_n > 1:
error_msg("More than one character converter has been specified. Note, that the\n" + \
"options '--icu', '--iconv', and '--converter-new' (or '--cn') are\n" + \
"to be used mutually exclusively.")
if converter_n == 1 and setup.buffer_codec != "":
error_msg("An engine that is to be generated for a specific codec cannot rely\n" + \
"on converters. Do no use '--codec' together with '--icu', '--iconv', or\n" + \
"`--converter-new`.")
# If a user defined type is specified for 'engine character type' and
# a converter, then the name of the target type must be specified explicitly.
if setup.buffer_element_type != "" \
and not global_character_type_db.has_key(setup.buffer_element_type) \
and setup.converter_ucs_coding_name == "" \
and converter_n != 0:
tc = setup.buffer_element_type
error_msg("A character code converter has been specified. It is supposed to convert\n" + \
"incoming data into an internal buffer of unicode characters. The size of\n" + \
"each character is determined by '%s' which is a user defined type.\n" % tc + \
"\n" + \
"Quex cannot determine automatically the name that the converter requires\n" + \
"to produce unicode characters for type '%s'. It must be specified by the\n" % tc + \
"command line option '--converter-ucs-coding-name' or '--cucn'.")
# Token transmission policy
token_policy_list = ["queue", "single", "users_token", "users_queue"]
if setup.token_policy not in token_policy_list:
error_msg("Token policy '%s' not supported. Use one of the following:\n" % setup.token_policy + \
repr(token_policy_list)[1:-1])
elif setup.token_policy == "users_token":
error_msg("Token policy 'users_queue' has be deprecated since 0.49.1. Use\n"
"equivalent policy 'single'.")
elif setup.token_policy == "users_queue":
error_msg("Token policy 'users_queue' has be deprecated since 0.49.1\n")
# Internal engine character encoding
def __codec_vs_buffer_element_size(CodecName, RequiredBufferElementSize):
if setup.buffer_codec != CodecName: return
elif setup.buffer_element_size == RequiredBufferElementSize: return
if setup.buffer_element_size == -1:
msg_str = "undetermined (found type '%s')" % setup.buffer_element_type
else:
msg_str = "is not %i (found %i)" % (RequiredBufferElementSize, setup.buffer_element_size)
error_msg("Using codec '%s' while buffer element size %s.\n" % (CodecName, msg_str) +
"Consult command line argument '--buffer-element-size'.")
if setup.buffer_codec != "":
verify_word_in_list(setup.buffer_codec,
codec_db.get_supported_codec_list() + ["utf8", "utf16"],
"Codec '%s' is not supported." % setup.buffer_codec)
__codec_vs_buffer_element_size("utf8", 1)
__codec_vs_buffer_element_size("utf16", 2)
# Path Compression
if setup.compression_path_uniform_f and setup.compression_path_f:
error_msg("Both flags for path compression were set: '--path-compression' and\n"
"'--path-compression-uniform'. Please, choose only one!")
def do(setup, command_line, argv):
"""Does a consistency check for setup and the command line.
"""
setup.output_directory = os.path.normpath(setup.output_directory)
if setup.output_directory != "":
# Check, if the output directory exists
if os.access(setup.output_directory, os.F_OK) == False:
error_msg(
"The directory %s was specified for output, but does not exists."
% setup.output_directory)
if os.access(setup.output_directory, os.W_OK) == False:
error_msg(
"The directory %s was specified for output, but is not writeable."
% setup.output_directory)
# if the mode is 'plotting', then check wether a graphic format is speicified
for plot_option in SETUP_INFO["plot_graphic_format"][0]:
if plot_option in argv and setup.plot_graphic_format == "":
error_msg("Option '%s' must be followed by a graphic format specifier (bmp, svg, jpg, ...)" % \
plot_option)
if setup.plot_character_display not in ["hex", "utf8"]:
error_msg(
"Plot character display must be either 'hex' or 'utf8'.\nFound: '%s'"
% setup.plot_character_display)
# ensure that options are not specified twice
for parameter, info in SETUP_INFO.items():
if type(info) != list: continue
occurence_n = 0
for option in info[0]:
occurence_n += argv.count(option)
if occurence_n > 1:
error_msg("Received more than one of the following options:\n" + \
"%s" % repr(info[0])[1:-1])
# (*) Check for 'Depraceted' Options ___________________________________________________
for name, info in DEPRECATED.items():
command_line_options = SETUP_INFO[name][0]
comment = info[0]
depreciated_since_version = info[1]
for option in command_line_options:
if command_line.search(option):
error_msg("Command line option '%s' is ignored.\n" % option + \
comment + "\n" + \
"Last version of Quex supporting this option is version %s. Please, visit\n" % \
depreciated_since_version + \
"http://quex.org for further information.")
# (*) Check for 'Straying' Options ___________________________________________________
options = []
for key, info in SETUP_INFO.items():
if type(info) != list: continue
if key in DEPRECATED: continue
if info[1] != None: options.extend(info[0])
options.sort(lambda a, b: cmp(a.replace("-", ""), b.replace("-", "")))
ufos = command_line.unidentified_options(options)
if ufos != []:
error_msg("Unidentified option(s) = " + repr(ufos) + "\n" + \
__get_supported_command_line_option_description(options))
if setup.analyzer_derived_class_name != "" and \
setup.analyzer_derived_class_file == "":
error_msg("Specified derived class '%s' on command line, but it was not\n" % \
setup.analyzer_derived_class_name + \
"specified which file contains the definition of it.\n" + \
"use command line option '--derived-class-file'.\n")
if setup.buffer_element_size not in [-1, 1, 2, 4]:
error_msg(
"The setting of '--buffer-element-size' (or '-b') can only be\n"
"1, 2, or 4 (found %s)." % repr(setup.buffer_element_size))
if setup.buffer_byte_order not in ["<system>", "little", "big"]:
error_msg("Byte order (option --endian) must be 'little', 'big', or '<system>'.\n" + \
"Note, that this option is only interesting for cross plattform development.\n" + \
"By default, quex automatically chooses the endian type of your system.")
# Manually written token class requires token class name to be specified
if setup.token_class_file != "" and command_line.search(
"--token-class", "--tc") == False:
error_msg(
"The use of a manually written token class requires that the name of the class\n"
"is specified on the command line via the '--token-class' option.")
# Token queue
if setup.token_policy != "queue" and command_line.search(
"--token-queue-size"):
error_msg("Option --token-queue-size determines a fixed token queue size. This makes\n" + \
"only sense in conjunction with '--token-policy queue'.\n")
if setup.token_queue_size <= setup.token_queue_safety_border + 1:
if setup.token_queue_size == setup.token_queue_safety_border:
cmp_str = "equal to"
else:
cmp_str = "less than"
error_msg("Token queue size is %i is %s token queue safety border %i + 1.\n" % \
(setup.token_queue_size, cmp_str, setup.token_queue_safety_border) +
"Set appropriate values with --token-queue-size and --token-queue-safety-border.")
# Check that names are valid identifiers
__check_identifier(setup, "token_id_prefix_plain", "Token prefix")
__check_identifier(setup, "analyzer_class_name", "Engine name")
if setup.analyzer_derived_class_name != "":
__check_identifier(setup, "analyzer_derived_class_name",
"Derived class name")
__check_file_name(setup, "token_class_file",
"file containing token class definition")
__check_file_name(setup, "analyzer_derived_class_file",
"file containing user derived lexer class")
__check_file_name(setup, "token_id_foreign_definition_file",
"file containing user token ids")
__check_file_name(setup, "input_mode_files", "quex source file")
# Check that not more than one converter is specified
converter_n = 0
if setup.converter_iconv_f: converter_n += 1
if setup.converter_icu_f: converter_n += 1
if setup.converter_user_new_func != "": converter_n += 1
if converter_n > 1:
error_msg("More than one character converter has been specified. Note, that the\n" + \
"options '--icu', '--iconv', and '--converter-new' (or '--cn') are\n" + \
"to be used mutually exclusively.")
if converter_n == 1 and setup.buffer_codec != "":
error_msg("An engine that is to be generated for a specific codec cannot rely\n" + \
"on converters. Do no use '--codec' together with '--icu', '--iconv', or\n" + \
"`--converter-new`.")
# If a user defined type is specified for 'engine character type' and
# a converter, then the name of the target type must be specified explicitly.
if setup.buffer_element_type != "" \
and not global_character_type_db.has_key(setup.buffer_element_type) \
and setup.converter_ucs_coding_name == "" \
and converter_n != 0:
tc = setup.buffer_element_type
error_msg("A character code converter has been specified. It is supposed to convert\n" + \
"incoming data into an internal buffer of unicode characters. The size of\n" + \
"each character is determined by '%s' which is a user defined type.\n" % tc + \
"\n" + \
"Quex cannot determine automatically the name that the converter requires\n" + \
"to produce unicode characters for type '%s'. It must be specified by the\n" % tc + \
"command line option '--converter-ucs-coding-name' or '--cucn'.")
# Token transmission policy
token_policy_list = ["queue", "single", "users_token", "users_queue"]
if setup.token_policy not in token_policy_list:
error_msg("Token policy '%s' not supported. Use one of the following:\n" % setup.token_policy + \
repr(token_policy_list)[1:-1])
elif setup.token_policy == "users_token":
error_msg(
"Token policy 'users_queue' has be deprecated since 0.49.1. Use\n"
"equivalent policy 'single'.")
elif setup.token_policy == "users_queue":
error_msg(
"Token policy 'users_queue' has be deprecated since 0.49.1\n")
# Internal engine character encoding
def __codec_vs_buffer_element_size(CodecName, RequiredBufferElementSize):
if setup.buffer_codec != CodecName: return
elif setup.buffer_element_size == RequiredBufferElementSize: return
if setup.buffer_element_size == -1:
msg_str = "undetermined (found type '%s')" % setup.buffer_element_type
else:
msg_str = "is not %i (found %i)" % (RequiredBufferElementSize,
setup.buffer_element_size)
error_msg("Using codec '%s' while buffer element size %s.\n" %
(CodecName, msg_str) +
"Consult command line argument '--buffer-element-size'.")
if setup.buffer_codec != "":
verify_word_in_list(
setup.buffer_codec,
codec_db.get_supported_codec_list() + ["utf8", "utf16"],
"Codec '%s' is not supported." % setup.buffer_codec)
__codec_vs_buffer_element_size("utf8", 1)
__codec_vs_buffer_element_size("utf16", 2)
# Path Compression
if setup.compression_path_uniform_f and setup.compression_path_f:
error_msg(
"Both flags for path compression were set: '--path-compression' and\n"
"'--path-compression-uniform'. Please, choose only one!")
def do(argv):
"""RETURN: True, if process needs to be started.
False, if job is done.
"""
global setup
# (*) Interpret Command Line (A) _____________________________________________________
command_line = GetPot(argv)
if command_line.search("--version", "-v"):
print "Quex - Fast Universal Lexical Analyzer Generator"
print "Version " + QUEX_VERSION
print "(C) 2006-2010 Frank-Rene Schaefer"
print "ABSOLUTELY NO WARRANTY"
return False
if command_line.search("--help", "-h"):
print "Quex - Fast Universal Lexical Analyzer Generator"
print "Please, consult the quex documentation for further help, or"
print "visit http://quex.org"
print "(C) 2006-2010 Frank-Rene Schaefer"
print "ABSOLUTELY NO WARRANTY"
return False
if command_line.search("--plot-format-list"):
print quex.output.graphviz.interface.get_supported_graphic_format_description()
return False
for variable_name, info in SETUP_INFO.items():
# Some parameters are not set on the command line. Their entry is not associated
# with a description list.
if type(info) != list: continue
if info[1] == FLAG:
setup.__dict__[variable_name] = command_line.search(info[0])
elif info[1] == NEGATED_FLAG:
setup.__dict__[variable_name] = not command_line.search(info[0])
elif info[1] == LIST:
if not command_line.search(info[0]):
setup.__dict__[variable_name] = []
else:
the_list = command_line.nominus_followers(info[0])
if the_list == []:
error_msg("Option %s\nnot followed by anything." % repr(info[0])[1:-1])
if setup.__dict__.has_key(variable_name):
setup.__dict__[variable_name].extend(the_list)
else:
setup.__dict__[variable_name] = the_list
elif command_line.search(info[0]):
if not command_line.search(info[0]):
setup.__dict__[variable_name] = info[1]
else:
value = command_line.follow("--EMPTY--", info[0])
if value == "--EMPTY--":
error_msg("Option %s\nnot followed by anything." % repr(info[0])[1:-1])
setup.__dict__[variable_name] = value
# (*) Classes and their namespace
setup.analyzer_class_name, \
setup.analyzer_name_space, \
setup.analyzer_name_safe = \
read_namespaced_name(setup.analyzer_class_name,
"analyzer engine (options -o, --engine, --analyzer-class)")
setup.analyzer_derived_class_name, \
setup.analyzer_derived_class_name_space, \
setup.analyzer_derived_class_name_safe = \
read_namespaced_name(setup.analyzer_derived_class_name,
"derived analyzer class (options --derived-class, --dc)",
AllowEmptyF=True)
if setup.analyzer_name_space == []:
setup.analyzer_name_space = ["quex"]
if setup.token_class_name == "":
setup.token_class_name = "%s::Token" % reduce(lambda a, b: a + "::" + b, setup.analyzer_name_space)
# Token classes and derived classes have the freedom not to open a namespace,
# thus no check 'if namespace == []'.
setup.token_class_name, \
setup.token_class_name_space, \
setup.token_class_name_safe = \
read_namespaced_name(setup.token_class_name,
"token class (options --token-class, --tc)")
if setup.token_class_file != "":
lexer_mode.token_type_definition = \
ManualTokenClassSetup(setup.token_class_file,
setup.token_class_name,
setup.token_class_name_space,
setup.token_class_name_safe,
setup.token_id_type)
if setup.token_class_name_space == []:
setup.token_class_name_space = deepcopy(setup.analyzer_name_space)
setup.token_id_prefix_plain, \
setup.token_id_prefix_name_space, \
dummy = \
read_namespaced_name(setup.token_id_prefix,
"token prefix (options --token-prefix)")
if len(setup.token_id_prefix_name_space) != 0 and setup.language.upper() == "C":
error_msg("Token id prefix cannot contain a namespaces if '--language' is set to 'C'.")
# (*) Output programming language
setup.language = setup.language.upper()
verify_word_in_list(setup.language,
quex_core_engine_generator_languages_db.keys(),
"Programming language '%s' is not supported." % setup.language)
setup.language_db = quex_core_engine_generator_languages_db[setup.language]
setup.extension_db = global_extension_db[setup.language]
# Is the output file naming scheme provided by the extension database
# (Validation must happen immediately)
if setup.extension_db.has_key(setup.output_file_naming_scheme) == False:
error_msg("File extension scheme '%s' is not provided for language '%s'.\n" \
% (setup.output_file_naming_scheme, setup.language) + \
"Available schemes are: %s." % repr(setup.extension_db.keys())[1:-1])
# Before file names can be prepared, determine the output directory
# If 'source packaging' is enabled and no output directory is specified
# then take the directory of the source packaging.
if setup.source_package_directory != "" and setup.output_directory == "":
setup.output_directory = setup.source_package_directory
# (*) Output files
prepare_file_names(setup)
if setup.buffer_byte_order == "<system>":
setup.buffer_byte_order = sys.byteorder
setup.byte_order_is_that_of_current_system_f = True
else:
setup.byte_order_is_that_of_current_system_f = False
if setup.buffer_element_size == "wchar_t":
error_msg("Since Quex version 0.53.5, 'wchar_t' can no longer be specified\n"
"with option '--buffer-element-size' or '-bes'. Please, specify\n"
"'--buffer-element-type wchar_t' or '--bet'.")
if setup.buffer_element_type == "wchar_t":
setup.converter_ucs_coding_name = "WCHAR_T"
if setup.buffer_codec != "":
setup.buffer_element_size_irrelevant = True
make_numbers(setup)
# (*) Determine buffer element type and size (in bytes)
if setup.buffer_element_size == -1:
if global_character_type_db.has_key(setup.buffer_element_type):
setup.buffer_element_size = global_character_type_db[setup.buffer_element_type][3]
elif setup.buffer_element_type == "":
setup.buffer_element_size = 1
else:
# If the buffer element type is defined, then here we know that it is 'unknown'
# and Quex cannot know its size on its own.
setup.buffer_element_size = -1
if setup.buffer_element_type == "":
if setup.buffer_element_size in [1, 2, 4]:
setup.buffer_element_type = {
1: "uint8_t", 2: "uint16_t", 4: "uint32_t",
}[setup.buffer_element_size]
elif setup.buffer_element_size == -1:
pass
else:
error_msg("Buffer element type cannot be determined for size '%i' which\n" \
% setup.buffer_element_size +
"has been specified by '-b' or '--buffer-element-size'.")
if setup.buffer_codec in ["utf8", "utf16"]:
setup.buffer_codec_transformation_info = setup.buffer_codec + "-state-split"
elif setup.buffer_codec != "":
setup.buffer_codec_transformation_info = codec_db.get_codec_transformation_info(setup.buffer_codec)
setup.converter_f = False
if setup.converter_iconv_f or setup.converter_icu_f:
setup.converter_f = True
# The only case where no converter helper is required is where ASCII
# (Unicode restricted to [0, FF] is used.
setup.converter_helper_required_f = True
if setup.converter_f == False and setup.buffer_element_size == 1 and setup.buffer_codec == "":
setup.converter_helper_required_f = False
validation.do(setup, command_line, argv)
if setup.converter_ucs_coding_name == "":
if global_character_type_db.has_key(setup.buffer_element_type):
if setup.buffer_byte_order == "little": index = 1
else: index = 2
setup.converter_ucs_coding_name = global_character_type_db[setup.buffer_element_type][index]
if setup.token_id_foreign_definition_file != "":
CommentDelimiterList = [["//", "\n"], ["/*", "*/"]]
# Regular expression to find '#include <something>' and extract the 'something'
# in a 'group'. Note that '(' ')' cause the storage of parts of the match.
IncludeRE = "#[ \t]*include[ \t]*[\"<]([^\">]+)[\">]"
#
parse_token_id_file(setup.token_id_foreign_definition_file,
setup.token_id_prefix,
CommentDelimiterList, IncludeRE)
if setup.token_id_prefix_plain != setup.token_id_prefix:
# The 'plain' name space less token indices are also supported
parse_token_id_file(setup.token_id_foreign_definition_file,
setup.token_id_prefix_plain,
CommentDelimiterList, IncludeRE)
# (*) return setup ___________________________________________________________________
return True
def do(fh):
"""Parses pattern definitions of the form:
[ \t] => grid 4;
[:intersection([:alpha:], [\X064-\X066]):] => space 1;
In other words the right hand side *must* be a character set.
"""
indentation_setup = IndentationSetup(fh)
# NOTE: Catching of EOF happens in caller: parse_section(...)
#
skip_whitespace(fh)
while 1 + 1 == 2:
skip_whitespace(fh)
if check(fh, ">"):
indentation_setup.seal()
indentation_setup.consistency_check(fh)
return indentation_setup
# A regular expression state machine
pattern_str, state_machine = regular_expression.parse(fh)
skip_whitespace(fh)
if not check(fh, "=>"):
error_msg("Missing '=>' after character set definition.", fh)
skip_whitespace(fh)
identifier = read_identifier(fh)
if identifier == "":
error_msg("Missing identifier for indentation element definition.", fh)
verify_word_in_list(
identifier,
["space", "grid", "bad", "newline", "suppressor"],
"Unrecognized indentation specifier '%s'." % identifier,
fh,
)
trigger_set = None
if identifier in ["space", "bad", "grid"]:
if len(state_machine.states) != 2:
error_msg(
"For indentation '%s' only patterns are addmissible which\n" % identifier
+ 'can be matched by a single character, e.g. " " or [a-z].',
fh,
)
transition_map = state_machine.get_init_state().transitions().get_map()
assert len(transition_map) == 1
trigger_set = transition_map.values()[0]
skip_whitespace(fh)
if identifier == "space":
value = read_integer(fh)
if value != None:
indentation_setup.specify_space(pattern_str, trigger_set, value, fh)
else:
# not a number received, is it an identifier?
variable = read_identifier(fh)
if variable != "":
indentation_setup.specify_space(pattern_str, trigger_set, variable, fh)
else:
indentation_setup.specify_space(pattern_str, trigger_set, 1, fh)
elif identifier == "grid":
value = read_integer(fh)
if value != None:
indentation_setup.specify_grid(pattern_str, trigger_set, value, fh)
else:
# not a number received, is it an identifier?
skip_whitespace(fh)
variable = read_identifier(fh)
if variable != "":
indentation_setup.specify_grid(pattern_str, trigger_set, variable, fh)
else:
error_msg("Missing integer or variable name after keyword 'grid'.", fh)
elif identifier == "bad":
indentation_setup.specify_bad(pattern_str, trigger_set, fh)
elif identifier == "newline":
indentation_setup.specify_newline(pattern_str, state_machine, fh)
elif identifier == "suppressor":
indentation_setup.specify_suppressor(pattern_str, state_machine, fh)
else:
assert False, "Unreachable code reached."
if not check(fh, ";"):
error_msg("Missing ';' after indentation '%s' specification." % identifier, fh)
def do(argv):
"""RETURN: True, if process needs to be started.
False, if job is done.
"""
global setup
# (*) Interpret Command Line (A) _____________________________________________________
command_line = GetPot(argv)
if command_line.search("--version", "-v"):
print "Quex - Fast Universal Lexical Analyzer Generator"
print "Version " + QUEX_VERSION
print "(C) 2006-2010 Frank-Rene Schaefer"
print "ABSOLUTELY NO WARRANTY"
return False
if command_line.search("--help", "-h"):
print "Quex - Fast Universal Lexical Analyzer Generator"
print "Please, consult the quex documentation for further help, or"
print "visit http://quex.org"
print "(C) 2006-2010 Frank-Rene Schaefer"
print "ABSOLUTELY NO WARRANTY"
return False
if command_line.search("--plot-format-list"):
print quex.output.graphviz.interface.get_supported_graphic_format_description(
)
return False
for variable_name, info in SETUP_INFO.items():
# Some parameters are not set on the command line. Their entry is not associated
# with a description list.
if type(info) != list: continue
if info[1] == FLAG:
setup.__dict__[variable_name] = command_line.search(info[0])
elif info[1] == NEGATED_FLAG:
setup.__dict__[variable_name] = not command_line.search(info[0])
elif info[1] == LIST:
if not command_line.search(info[0]):
setup.__dict__[variable_name] = []
else:
the_list = command_line.nominus_followers(info[0])
if the_list == []:
error_msg("Option %s\nnot followed by anything." %
repr(info[0])[1:-1])
if setup.__dict__.has_key(variable_name):
setup.__dict__[variable_name].extend(the_list)
else:
setup.__dict__[variable_name] = the_list
elif command_line.search(info[0]):
if not command_line.search(info[0]):
setup.__dict__[variable_name] = info[1]
else:
value = command_line.follow("--EMPTY--", info[0])
if value == "--EMPTY--":
error_msg("Option %s\nnot followed by anything." %
repr(info[0])[1:-1])
setup.__dict__[variable_name] = value
# (*) Classes and their namespace
setup.analyzer_class_name, \
setup.analyzer_name_space, \
setup.analyzer_name_safe = \
read_namespaced_name(setup.analyzer_class_name,
"analyzer engine (options -o, --engine, --analyzer-class)")
setup.analyzer_derived_class_name, \
setup.analyzer_derived_class_name_space, \
setup.analyzer_derived_class_name_safe = \
read_namespaced_name(setup.analyzer_derived_class_name,
"derived analyzer class (options --derived-class, --dc)",
AllowEmptyF=True)
if setup.analyzer_name_space == []:
setup.analyzer_name_space = ["quex"]
if setup.token_class_name == "":
setup.token_class_name = "%s::Token" % reduce(
lambda a, b: a + "::" + b, setup.analyzer_name_space)
# Token classes and derived classes have the freedom not to open a namespace,
# thus no check 'if namespace == []'.
setup.token_class_name, \
setup.token_class_name_space, \
setup.token_class_name_safe = \
read_namespaced_name(setup.token_class_name,
"token class (options --token-class, --tc)")
if setup.token_class_file != "":
lexer_mode.token_type_definition = \
ManualTokenClassSetup(setup.token_class_file,
setup.token_class_name,
setup.token_class_name_space,
setup.token_class_name_safe,
setup.token_id_type)
if setup.token_class_name_space == []:
setup.token_class_name_space = deepcopy(setup.analyzer_name_space)
setup.token_id_prefix_plain, \
setup.token_id_prefix_name_space, \
dummy = \
read_namespaced_name(setup.token_id_prefix,
"token prefix (options --token-prefix)")
if len(setup.token_id_prefix_name_space) != 0 and setup.language.upper(
) == "C":
error_msg(
"Token id prefix cannot contain a namespaces if '--language' is set to 'C'."
)
# (*) Output programming language
setup.language = setup.language.upper()
verify_word_in_list(
setup.language, quex_core_engine_generator_languages_db.keys(),
"Programming language '%s' is not supported." % setup.language)
setup.language_db = quex_core_engine_generator_languages_db[setup.language]
setup.extension_db = global_extension_db[setup.language]
# Is the output file naming scheme provided by the extension database
# (Validation must happen immediately)
if setup.extension_db.has_key(setup.output_file_naming_scheme) == False:
error_msg("File extension scheme '%s' is not provided for language '%s'.\n" \
% (setup.output_file_naming_scheme, setup.language) + \
"Available schemes are: %s." % repr(setup.extension_db.keys())[1:-1])
# Before file names can be prepared, determine the output directory
# If 'source packaging' is enabled and no output directory is specified
# then take the directory of the source packaging.
if setup.source_package_directory != "" and setup.output_directory == "":
setup.output_directory = setup.source_package_directory
# (*) Output files
prepare_file_names(setup)
if setup.buffer_byte_order == "<system>":
setup.buffer_byte_order = sys.byteorder
setup.byte_order_is_that_of_current_system_f = True
else:
setup.byte_order_is_that_of_current_system_f = False
if setup.buffer_element_size == "wchar_t":
error_msg(
"Since Quex version 0.53.5, 'wchar_t' can no longer be specified\n"
"with option '--buffer-element-size' or '-bes'. Please, specify\n"
"'--buffer-element-type wchar_t' or '--bet'.")
if setup.buffer_element_type == "wchar_t":
setup.converter_ucs_coding_name = "WCHAR_T"
if setup.buffer_codec != "":
setup.buffer_element_size_irrelevant = True
make_numbers(setup)
# (*) Determine buffer element type and size (in bytes)
if setup.buffer_element_size == -1:
if global_character_type_db.has_key(setup.buffer_element_type):
setup.buffer_element_size = global_character_type_db[
setup.buffer_element_type][3]
elif setup.buffer_element_type == "":
setup.buffer_element_size = 1
else:
# If the buffer element type is defined, then here we know that it is 'unknown'
# and Quex cannot know its size on its own.
setup.buffer_element_size = -1
if setup.buffer_element_type == "":
if setup.buffer_element_size in [1, 2, 4]:
setup.buffer_element_type = {
1: "uint8_t",
2: "uint16_t",
4: "uint32_t",
}[setup.buffer_element_size]
elif setup.buffer_element_size == -1:
pass
else:
error_msg("Buffer element type cannot be determined for size '%i' which\n" \
% setup.buffer_element_size +
"has been specified by '-b' or '--buffer-element-size'.")
if setup.buffer_codec in ["utf8", "utf16"]:
setup.buffer_codec_transformation_info = setup.buffer_codec + "-state-split"
elif setup.buffer_codec != "":
setup.buffer_codec_transformation_info = codec_db.get_codec_transformation_info(
setup.buffer_codec)
setup.converter_f = False
if setup.converter_iconv_f or setup.converter_icu_f:
setup.converter_f = True
# The only case where no converter helper is required is where ASCII
# (Unicode restricted to [0, FF] is used.
setup.converter_helper_required_f = True
if setup.converter_f == False and setup.buffer_element_size == 1 and setup.buffer_codec == "":
setup.converter_helper_required_f = False
validation.do(setup, command_line, argv)
if setup.converter_ucs_coding_name == "":
if global_character_type_db.has_key(setup.buffer_element_type):
if setup.buffer_byte_order == "little": index = 1
else: index = 2
setup.converter_ucs_coding_name = global_character_type_db[
setup.buffer_element_type][index]
if setup.token_id_foreign_definition_file != "":
CommentDelimiterList = [["//", "\n"], ["/*", "*/"]]
# Regular expression to find '#include <something>' and extract the 'something'
# in a 'group'. Note that '(' ')' cause the storage of parts of the match.
IncludeRE = "#[ \t]*include[ \t]*[\"<]([^\">]+)[\">]"
#
parse_token_id_file(setup.token_id_foreign_definition_file,
setup.token_id_prefix, CommentDelimiterList,
IncludeRE)
if setup.token_id_prefix_plain != setup.token_id_prefix:
# The 'plain' name space less token indices are also supported
parse_token_id_file(setup.token_id_foreign_definition_file,
setup.token_id_prefix_plain,
CommentDelimiterList, IncludeRE)
# (*) return setup ___________________________________________________________________
return True
