examples.basics.trace Namespace Reference

Variables
string	title
string	float
string	bad_float
	api = Api()
	grammar = api.generate(float)
	parser = Parser(grammar)
	trace = Trace(parser, mode='dc')
string	input_string = '-123,456789E-10'
	result = parser.parse(utils.string_to_tuple(input_string))
	end

Variable Documentation

api

examples.basics.trace.api = Api()

Definition at line 60 of file trace.py.

bad_float

string examples.basics.trace.bad_float

Initial value:

=  '''float    = sign decimal exponent
sign     = ["+" / "-"]
decimal  = integer [dot fraction]
           / dot fraction
integer  = 1*%d48-57
dot      = ","
fraction = *%d48-57
exponent = ["e" esign exp]
esign    = ["+" / "-"]
exp      = 1*%d48-57
'''

Definition at line 47 of file trace.py.

end

examples.basics.trace.end

Definition at line 73 of file trace.py.

float

string examples.basics.trace.float

Initial value:

=  '''float    = sign decimal exponent
sign     = ["+" / "-"]
decimal  = integer [dot fraction]
           / dot fraction
integer  = 1*%d48-57
dot      = "."
fraction = *%d48-57
exponent = ["e" esign exp]
esign    = ["+" / "-"]
exp      = 1*%d48-57
'''

Definition at line 36 of file trace.py.

grammar

examples.basics.trace.grammar = api.generate(float)

Definition at line 61 of file trace.py.

input_string

string examples.basics.trace.input_string = '-123,456789E-10'

Definition at line 70 of file trace.py.

parser

examples.basics.trace.parser = Parser(grammar)

Definition at line 67 of file trace.py.

result

examples.basics.trace.result = parser.parse(utils.string_to_tuple(input_string))

Definition at line 71 of file trace.py.

title

string examples.basics.trace.title

Initial value:

=  '''Demonstrate the display a trace of the parser's path
through the parse tree.
Tracing my generate a lot of output. It may be advantagous to
pipe stdout to an alternate location for more casual perusal.
For example, if using linux:
python3 examples/trace.py | less
'''

Definition at line 25 of file trace.py.

trace

examples.basics.trace.trace = Trace(parser, mode='dc')

Definition at line 69 of file trace.py.