diff options
Diffstat (limited to 'Parser/grammar.c')
| -rw-r--r-- | Parser/grammar.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/Parser/grammar.c b/Parser/grammar.c index b598294..75fd5b9 100644 --- a/Parser/grammar.c +++ b/Parser/grammar.c @@ -28,6 +28,23 @@ newgrammar(int start) return g; } +void +freegrammar(grammar *g) +{ + int i; + for (i = 0; i < g->g_ndfas; i++) { + free(g->g_dfa[i].d_name); + for (int j = 0; j < g->g_dfa[i].d_nstates; j++) + PyObject_FREE(g->g_dfa[i].d_state[j].s_arc); + PyObject_FREE(g->g_dfa[i].d_state); + } + PyObject_FREE(g->g_dfa); + for (i = 0; i < g->g_ll.ll_nlabels; i++) + free(g->g_ll.ll_label[i].lb_str); + PyObject_FREE(g->g_ll.ll_label); + PyObject_FREE(g); +} + dfa * adddfa(grammar *g, int type, const char *name) { @@ -63,7 +80,7 @@ addstate(dfa *d) s->s_upper = 0; s->s_accel = NULL; s->s_accept = 0; - return Py_SAFE_DOWNCAST(s - d->d_state, Py_intptr_t, int); + return Py_SAFE_DOWNCAST(s - d->d_state, intptr_t, int); } void @@ -105,7 +122,7 @@ addlabel(labellist *ll, int type, const char *str) if (Py_DebugFlag) printf("Label @ %8p, %d: %s\n", ll, ll->ll_nlabels, PyGrammar_LabelRepr(lb)); - return Py_SAFE_DOWNCAST(lb - ll->ll_label, Py_intptr_t, int); + return Py_SAFE_DOWNCAST(lb - ll->ll_label, intptr_t, int); } /* Same, but rather dies than adds */ @@ -122,7 +139,13 @@ findlabel(labellist *ll, int type, const char *str) } fprintf(stderr, "Label %d/'%s' not found\n", type, str); Py_FatalError("grammar.c:findlabel()"); + + /* Py_FatalError() is declared with __attribute__((__noreturn__)). + GCC emits a warning without "return 0;" (compiler bug!), but Clang is + smarter and emits a warning on the return... */ +#ifndef __clang__ return 0; /* Make gcc -Wall happy */ +#endif } /* Forward */ |