VimPlug/parso
1
0
Fork 0
mirror of https://github.com/davidhalter/parso.git synced 2025-12-06 21:04:29 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Update generator.py

Browse Source
This commit is contained in:
yuan
2020-05-29 08:56:38 +08:00
committed by GitHub
parent 6f29c551fd
commit 4403b5cac5
1 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
parso/pgen2/generator.py
View File

@@ -212,7 +212,8 @@ def _dump_nfa(start, finish):
todo = [start] todo = [start]
for i, state in enumerate(todo): for i, state in enumerate(todo):
print(" State", i, state is finish and "(final)" or "") print(" State", i, state is finish and "(final)" or "")
for label, next_ in state.arcs: for arc in state.arcs:
label, next_ = arc.nonterminal_or_string, arc.next
if next_ in todo: if next_ in todo:
j = todo.index(next_) j = todo.index(next_)
else: else:
@@ -244,7 +245,7 @@ def generate_grammar(bnf_grammar, token_namespace):
rule_to_dfas = {} rule_to_dfas = {}
start_nonterminal = None start_nonterminal = None
for nfa_a, nfa_z in GrammarParser(bnf_grammar).parse(): for nfa_a, nfa_z in GrammarParser(bnf_grammar).parse():
#_dump_nfa(a, z) #_dump_nfa(nfa_a, nfa_z)
dfas = _make_dfas(nfa_a, nfa_z) dfas = _make_dfas(nfa_a, nfa_z)
#_dump_dfas(dfas) #_dump_dfas(dfas)
# oldlen = len(dfas) # oldlen = len(dfas)