Caustic's parsing framework
Project description
Caustic's Parser -- uses grammar specification to compile Caustic source code into a CST (Caustic AST)
Uses ParGlare for parsing, meant to work with CausticGrammar to create a CST (Caustic AST)
CLI usage
See cap --help
Example module usage
import sys
import parglare
from pathlib import Path
from caustic.parser import CausticParser
from caustic.parser.error import format_exc
# CausticParser.from_file() loads the grammar using ParGlare,
# then invokes CausticParser.from_grammar(), which creates a ParGlare
# parser instance and uses that to finally create the parser
p = CausticParser.from_file(Path('<your-grammar-file>'))
try:
print(p.parse(input()))
except parglare.ParseError as e:
# custom error formatting (optional)
print(format_exc(e), file=sys.stderr)
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