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[dingus] Build lexer and parser

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This commit is contained in:
John Doty 2024-09-30 22:32:04 -07:00
parent 361f470431
commit efc6eac842
1 changed files with 13 additions and 1 deletions
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14
dingus/worker.js
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@ -43,9 +43,15 @@ import parser
import pyodide.code import pyodide.code
GRAMMAR_GLOBALS = {} GRAMMAR_GLOBALS = {}
GRAMMAR = None
PARSE_TABLE = None
LEXER = None
def eval_grammar(code): def eval_grammar(code):
global GRAMMAR_GLOBALS global GRAMMAR_GLOBALS
global GRAMMAR
global PARSE_TABLE
global LEXER
try: try:
dingus.post_grammar_status("Evaluating grammar...") dingus.post_grammar_status("Evaluating grammar...")
@ -65,7 +71,13 @@ def eval_grammar(code):
if grammar is None: if grammar is None:
raise Exception("No grammar definition, define or instantiate a class that inherits from parser.Grammar") raise Exception("No grammar definition, define or instantiate a class that inherits from parser.Grammar")
# TODO: Build the table. GRAMMAR = grammar
dingus.post_grammar_status("Building parse table...")
PARSE_TABLE = grammar.build_table()
dingus.post_grammar_status("Building lexer...")
LEXER = grammar.compile_lexer()
dingus.post_grammar_loaded(grammar.name) dingus.post_grammar_loaded(grammar.name)
except Exception as e: except Exception as e: