diff options
Diffstat (limited to 'ruby_1_8_5/ext/racc/cparse/cparse.c')
| -rw-r--r-- | ruby_1_8_5/ext/racc/cparse/cparse.c | 832 |
1 files changed, 0 insertions, 832 deletions
diff --git a/ruby_1_8_5/ext/racc/cparse/cparse.c b/ruby_1_8_5/ext/racc/cparse/cparse.c deleted file mode 100644 index 197a0eb40b..0000000000 --- a/ruby_1_8_5/ext/racc/cparse/cparse.c +++ /dev/null @@ -1,832 +0,0 @@ -/* - - cparse.c -- Racc Runtime Core - - Copyright (c) 1999-2006 Minero Aoki - - This library is free software. - You can distribute/modify this program under the same terms of ruby. - - $originalId: cparse.c,v 1.8 2006/07/06 11:39:46 aamine Exp $ - -*/ - -#include "ruby.h" -#include "version.h" - -/* ----------------------------------------------------------------------- - Important Constants ------------------------------------------------------------------------ */ - -#define RACC_VERSION "1.4.5" - -#define DEFAULT_TOKEN -1 -#define ERROR_TOKEN 1 -#define FINAL_TOKEN 0 - -#define vDEFAULT_TOKEN INT2FIX(DEFAULT_TOKEN) -#define vERROR_TOKEN INT2FIX(ERROR_TOKEN) -#define vFINAL_TOKEN INT2FIX(FINAL_TOKEN) - -/* ----------------------------------------------------------------------- - File Local Variables ------------------------------------------------------------------------ */ - -static VALUE RaccBug; -static VALUE CparseParams; - -static ID id_yydebug; -static ID id_nexttoken; -static ID id_onerror; -static ID id_noreduce; -static ID id_errstatus; - -static ID id_d_shift; -static ID id_d_reduce; -static ID id_d_accept; -static ID id_d_read_token; -static ID id_d_next_state; -static ID id_d_e_pop; - -/* ----------------------------------------------------------------------- - Utils ------------------------------------------------------------------------ */ - -/* For backward compatibility */ -#ifndef ID2SYM -# define ID2SYM(i) ULONG2NUM(i) -#endif -#ifndef SYM2ID -# define SYM2ID(v) ((ID)NUM2ULONG(v)) -#endif -#ifndef SYMBOL_P -# define SYMBOL_P(v) FIXNUM_P(v) -#endif -#ifndef LONG2NUM -# define LONG2NUM(i) INT2NUM(i) -#endif -#if RUBY_VERSION_CODE >= 190 -# define HAVE_RB_BLOCK_CALL 1 -#endif - -static ID value_to_id _((VALUE v)); -static inline long num_to_long _((VALUE n)); - -static ID -value_to_id(VALUE v) -{ - if (! SYMBOL_P(v)) { - rb_raise(rb_eTypeError, "not symbol"); - } - return SYM2ID(v); -} - -static inline long -num_to_long(VALUE n) -{ - return NUM2LONG(n); -} - -#define AREF(s, idx) \ - ((0 <= idx && idx < RARRAY(s)->len) ? RARRAY(s)->ptr[idx] : Qnil) - -/* ----------------------------------------------------------------------- - Parser Stack Interfaces ------------------------------------------------------------------------ */ - -static VALUE get_stack_tail _((VALUE stack, long len)); -static void cut_stack_tail _((VALUE stack, long len)); - -static VALUE -get_stack_tail(VALUE stack, long len) -{ - if (len < 0) return Qnil; /* system error */ - if (len > RARRAY(stack)->len) len = RARRAY(stack)->len; - return rb_ary_new4(len, RARRAY(stack)->ptr + RARRAY(stack)->len - len); -} - -static void -cut_stack_tail(VALUE stack, long len) -{ - while (len > 0) { - rb_ary_pop(stack); - len--; - } -} - -#define STACK_INIT_LEN 64 -#define NEW_STACK() rb_ary_new2(STACK_INIT_LEN) -#define PUSH(s, i) rb_ary_store(s, RARRAY(s)->len, i) -#define POP(s) rb_ary_pop(s) -#define LAST_I(s) \ - ((RARRAY(s)->len > 0) ? RARRAY(s)->ptr[RARRAY(s)->len - 1] : Qnil) -#define GET_TAIL(s, len) get_stack_tail(s, len) -#define CUT_TAIL(s, len) cut_stack_tail(s, len) - -/* ----------------------------------------------------------------------- - struct cparse_params ------------------------------------------------------------------------ */ - -struct cparse_params { - VALUE value_v; /* VALUE version of this struct */ - - VALUE parser; /* parser object */ - - int lex_is_iterator; - VALUE lexer; /* scanner object */ - ID lexmid; /* name of scanner method (must be an iterator) */ - - /* State transition tables (immutable) - Data structure is from Dragon Book 4.9 */ - /* action table */ - VALUE action_table; - VALUE action_check; - VALUE action_default; - VALUE action_pointer; - /* goto table */ - VALUE goto_table; - VALUE goto_check; - VALUE goto_default; - VALUE goto_pointer; - - long nt_base; /* NonTerminal BASE index */ - VALUE reduce_table; /* reduce data table */ - VALUE token_table; /* token conversion table */ - - /* parser stacks and parameters */ - VALUE state; - long curstate; - VALUE vstack; - VALUE tstack; - VALUE t; - long shift_n; - long reduce_n; - long ruleno; - - long errstatus; /* nonzero in error recovering mode */ - long nerr; /* number of error */ - - int use_result_var; - - VALUE retval; /* return value of parser routine */ - long fin; /* parse result status */ -#define CP_FIN_ACCEPT 1 -#define CP_FIN_EOT 2 -#define CP_FIN_CANTPOP 3 - - int debug; /* user level debug */ - int sys_debug; /* system level debug */ - - long i; /* table index */ -}; - -/* ----------------------------------------------------------------------- - Parser Main Routines ------------------------------------------------------------------------ */ - -static VALUE racc_cparse _((VALUE parser, VALUE arg, VALUE sysdebug)); -static VALUE racc_yyparse _((VALUE parser, VALUE lexer, VALUE lexmid, - VALUE arg, VALUE sysdebug)); - -static void call_lexer _((struct cparse_params *v)); -static VALUE lexer_i _((VALUE block_args, VALUE data, VALUE self)); - -static VALUE assert_array _((VALUE a)); -static long assert_integer _((VALUE n)); -static VALUE assert_hash _((VALUE h)); -static VALUE initialize_params _((VALUE vparams, VALUE parser, VALUE arg, - VALUE lexer, VALUE lexmid)); -static void cparse_params_mark _((void *ptr)); - -static void parse_main _((struct cparse_params *v, - VALUE tok, VALUE val, int resume)); -static void extract_user_token _((struct cparse_params *v, - VALUE block_args, VALUE *tok, VALUE *val)); -static void shift _((struct cparse_params* v, long act, VALUE tok, VALUE val)); -static int reduce _((struct cparse_params* v, long act)); -static VALUE reduce0 _((VALUE block_args, VALUE data, VALUE self)); - -#ifdef DEBUG -# define D_puts(msg) if (v->sys_debug) puts(msg) -# define D_printf(fmt,arg) if (v->sys_debug) printf(fmt,arg) -#else -# define D_puts(msg) -# define D_printf(fmt,arg) -#endif - -static VALUE -racc_cparse(VALUE parser, VALUE arg, VALUE sysdebug) -{ - volatile VALUE vparams; - struct cparse_params *v; - - vparams = Data_Make_Struct(CparseParams, struct cparse_params, - cparse_params_mark, -1, v); - D_puts("starting cparse"); - v->sys_debug = RTEST(sysdebug); - vparams = initialize_params(vparams, parser, arg, Qnil, Qnil); - v->lex_is_iterator = Qfalse; - parse_main(v, Qnil, Qnil, 0); - - return v->retval; -} - -static VALUE -racc_yyparse(VALUE parser, VALUE lexer, VALUE lexmid, VALUE arg, VALUE sysdebug) -{ - volatile VALUE vparams; - struct cparse_params *v; - - vparams = Data_Make_Struct(CparseParams, struct cparse_params, - cparse_params_mark, -1, v); - v->sys_debug = RTEST(sysdebug); - D_puts("start C yyparse"); - vparams = initialize_params(vparams, parser, arg, lexer, lexmid); - v->lex_is_iterator = Qtrue; - D_puts("params initialized"); - parse_main(v, Qnil, Qnil, 0); - call_lexer(v); - if (!v->fin) { - rb_raise(rb_eArgError, "%s() is finished before EndOfToken", - rb_id2name(v->lexmid)); - } - - return v->retval; -} - -#ifdef HAVE_RB_BLOCK_CALL -static void -call_lexer(struct cparse_params *v) -{ - rb_block_call(v->lexer, v->lexmid, 0, NULL, lexer_i, v->value_v); -} -#else -static VALUE -lexer_iter(VALUE data) -{ - struct cparse_params *v; - - Data_Get_Struct(data, struct cparse_params, v); - rb_funcall(v->lexer, v->lexmid, 0); - return Qnil; -} - -static void -call_lexer(struct cparse_params *v) -{ - rb_iterate(lexer_iter, v->value_v, lexer_i, v->value_v); -} -#endif - -static VALUE -lexer_i(VALUE block_args, VALUE data, VALUE self) -{ - struct cparse_params *v; - VALUE tok, val; - - Data_Get_Struct(data, struct cparse_params, v); - if (v->fin) - rb_raise(rb_eArgError, "extra token after EndOfToken"); - extract_user_token(v, block_args, &tok, &val); - parse_main(v, tok, val, 1); - if (v->fin && v->fin != CP_FIN_ACCEPT) - rb_iter_break(); - return Qnil; -} - -static VALUE -assert_array(VALUE a) -{ - Check_Type(a, T_ARRAY); - return a; -} - -static VALUE -assert_hash(VALUE h) -{ - Check_Type(h, T_HASH); - return h; -} - -static long -assert_integer(VALUE n) -{ - return NUM2LONG(n); -} - -static VALUE -initialize_params(VALUE vparams, VALUE parser, VALUE arg, VALUE lexer, VALUE lexmid) -{ - struct cparse_params *v; - - Data_Get_Struct(vparams, struct cparse_params, v); - v->value_v = vparams; - v->parser = parser; - v->lexer = lexer; - if (! NIL_P(lexmid)) - v->lexmid = value_to_id(lexmid); - - v->debug = RTEST(rb_ivar_get(parser, id_yydebug)); - - Check_Type(arg, T_ARRAY); - if (!(13 <= RARRAY(arg)->len && RARRAY(arg)->len <= 14)) - rb_raise(RaccBug, "[Racc Bug] wrong arg.size %ld", RARRAY(arg)->len); - v->action_table = assert_array (RARRAY(arg)->ptr[ 0]); - v->action_check = assert_array (RARRAY(arg)->ptr[ 1]); - v->action_default = assert_array (RARRAY(arg)->ptr[ 2]); - v->action_pointer = assert_array (RARRAY(arg)->ptr[ 3]); - v->goto_table = assert_array (RARRAY(arg)->ptr[ 4]); - v->goto_check = assert_array (RARRAY(arg)->ptr[ 5]); - v->goto_default = assert_array (RARRAY(arg)->ptr[ 6]); - v->goto_pointer = assert_array (RARRAY(arg)->ptr[ 7]); - v->nt_base = assert_integer(RARRAY(arg)->ptr[ 8]); - v->reduce_table = assert_array (RARRAY(arg)->ptr[ 9]); - v->token_table = assert_hash (RARRAY(arg)->ptr[10]); - v->shift_n = assert_integer(RARRAY(arg)->ptr[11]); - v->reduce_n = assert_integer(RARRAY(arg)->ptr[12]); - if (RARRAY(arg)->len > 13) { - v->use_result_var = RTEST(RARRAY(arg)->ptr[13]); - } - else { - v->use_result_var = Qtrue; - } - - v->tstack = v->debug ? NEW_STACK() : Qnil; - v->vstack = NEW_STACK(); - v->state = NEW_STACK(); - v->curstate = 0; - PUSH(v->state, INT2FIX(0)); - v->t = INT2FIX(FINAL_TOKEN + 1); /* must not init to FINAL_TOKEN */ - v->nerr = 0; - v->errstatus = 0; - rb_ivar_set(parser, id_errstatus, LONG2NUM(v->errstatus)); - - v->retval = Qnil; - v->fin = 0; - - v->lex_is_iterator = Qfalse; - - rb_iv_set(parser, "@vstack", v->vstack); - if (v->debug) { - rb_iv_set(parser, "@tstack", v->tstack); - } - else { - rb_iv_set(parser, "@tstack", Qnil); - } - - return vparams; -} - -static void -cparse_params_mark(void *ptr) -{ - struct cparse_params *v = (struct cparse_params*)ptr; - - rb_gc_mark(v->value_v); - rb_gc_mark(v->parser); - rb_gc_mark(v->lexer); - rb_gc_mark(v->action_table); - rb_gc_mark(v->action_check); - rb_gc_mark(v->action_default); - rb_gc_mark(v->action_pointer); - rb_gc_mark(v->goto_table); - rb_gc_mark(v->goto_check); - rb_gc_mark(v->goto_default); - rb_gc_mark(v->goto_pointer); - rb_gc_mark(v->goto_pointer); - rb_gc_mark(v->goto_pointer); - rb_gc_mark(v->goto_pointer); - rb_gc_mark(v->goto_pointer); - rb_gc_mark(v->reduce_table); - rb_gc_mark(v->token_table); - rb_gc_mark(v->state); - rb_gc_mark(v->vstack); - rb_gc_mark(v->tstack); - rb_gc_mark(v->t); - rb_gc_mark(v->retval); -} - -static void -extract_user_token(struct cparse_params *v, VALUE block_args, - VALUE *tok, VALUE *val) -{ - if (NIL_P(block_args)) { - /* EOF */ - *tok = Qfalse; - *val = rb_str_new("$", 1); - return; - } - - if (TYPE(block_args) != T_ARRAY) { - rb_raise(rb_eTypeError, - "%s() %s %s (must be Array[2])", - v->lex_is_iterator ? rb_id2name(v->lexmid) : "next_token", - v->lex_is_iterator ? "yielded" : "returned", - rb_class2name(CLASS_OF(block_args))); - } - if (RARRAY(block_args)->len != 2) { - rb_raise(rb_eArgError, - "%s() %s wrong size of array (%ld for 2)", - v->lex_is_iterator ? rb_id2name(v->lexmid) : "next_token", - v->lex_is_iterator ? "yielded" : "returned", - RARRAY(block_args)->len); - } - *tok = AREF(block_args, 0); - *val = AREF(block_args, 1); -} - -#define SHIFT(v,act,tok,val) shift(v,act,tok,val) -#define REDUCE(v,act) do {\ - switch (reduce(v,act)) { \ - case 0: /* normal */ \ - break; \ - case 1: /* yyerror */ \ - goto user_yyerror; \ - case 2: /* yyaccept */ \ - D_puts("u accept"); \ - goto accept; \ - default: \ - break; \ - } \ -} while (0) - -static void -parse_main(struct cparse_params *v, VALUE tok, VALUE val, int resume) -{ - long i; /* table index */ - long act; /* action type */ - VALUE act_value; /* action type, VALUE version */ - int read_next = 1; /* true if we need to read next token */ - VALUE tmp; - - if (resume) - goto resume; - - while (1) { - D_puts(""); - D_puts("---- enter new loop ----"); - D_puts(""); - - D_printf("(act) k1=%ld\n", v->curstate); - tmp = AREF(v->action_pointer, v->curstate); - if (NIL_P(tmp)) goto notfound; - D_puts("(act) pointer[k1] ok"); - i = NUM2LONG(tmp); - - D_printf("read_next=%d\n", read_next); - if (read_next && (v->t != vFINAL_TOKEN)) { - if (v->lex_is_iterator) { - D_puts("resuming..."); - if (v->fin) rb_raise(rb_eArgError, "token given after EOF"); - v->i = i; /* save i */ - return; - resume: - D_puts("resumed"); - i = v->i; /* load i */ - } - else { - D_puts("next_token"); - tmp = rb_funcall(v->parser, id_nexttoken, 0); - extract_user_token(v, tmp, &tok, &val); - } - /* convert token */ - v->t = rb_hash_aref(v->token_table, tok); - if (NIL_P(v->t)) { - v->t = vERROR_TOKEN; - } - D_printf("(act) t(k2)=%ld\n", NUM2LONG(v->t)); - if (v->debug) { - rb_funcall(v->parser, id_d_read_token, - 3, v->t, tok, val); - } - } - read_next = 0; - - i += NUM2LONG(v->t); - D_printf("(act) i=%ld\n", i); - if (i < 0) goto notfound; - - act_value = AREF(v->action_table, i); - if (NIL_P(act_value)) goto notfound; - act = NUM2LONG(act_value); - D_printf("(act) table[i]=%ld\n", act); - - tmp = AREF(v->action_check, i); - if (NIL_P(tmp)) goto notfound; - if (NUM2LONG(tmp) != v->curstate) goto notfound; - D_printf("(act) check[i]=%ld\n", NUM2LONG(tmp)); - - D_puts("(act) found"); - act_fixed: - D_printf("act=%ld\n", act); - goto handle_act; - - notfound: - D_puts("(act) not found: use default"); - act_value = AREF(v->action_default, v->curstate); - act = NUM2LONG(act_value); - goto act_fixed; - - - handle_act: - if (act > 0 && act < v->shift_n) { - D_puts("shift"); - if (v->errstatus > 0) { - v->errstatus--; - rb_ivar_set(v->parser, id_errstatus, LONG2NUM(v->errstatus)); - } - SHIFT(v, act, v->t, val); - read_next = 1; - } - else if (act < 0 && act > -(v->reduce_n)) { - D_puts("reduce"); - REDUCE(v, act); - } - else if (act == -(v->reduce_n)) { - goto error; - error_recovered: - ; /* goto label requires stmt */ - } - else if (act == v->shift_n) { - D_puts("accept"); - goto accept; - } - else { - rb_raise(RaccBug, "[Racc Bug] unknown act value %ld", act); - } - - if (v->debug) { - rb_funcall(v->parser, id_d_next_state, - 2, LONG2NUM(v->curstate), v->state); - } - } - /* not reach */ - - - accept: - if (v->debug) rb_funcall(v->parser, id_d_accept, 0); - v->retval = RARRAY(v->vstack)->ptr[0]; - v->fin = CP_FIN_ACCEPT; - return; - - - error: - D_printf("error detected, status=%ld\n", v->errstatus); - if (v->errstatus == 0) { - v->nerr++; - rb_funcall(v->parser, id_onerror, - 3, v->t, val, v->vstack); - } - user_yyerror: - if (v->errstatus == 3) { - if (v->t == vFINAL_TOKEN) { - v->retval = Qfalse; - v->fin = CP_FIN_EOT; - return; - } - read_next = 1; - } - v->errstatus = 3; - rb_ivar_set(v->parser, id_errstatus, LONG2NUM(v->errstatus)); - - /* check if we can shift/reduce error token */ - D_printf("(err) k1=%ld\n", v->curstate); - D_printf("(err) k2=%d (error)\n", ERROR_TOKEN); - while (1) { - tmp = AREF(v->action_pointer, v->curstate); - if (NIL_P(tmp)) goto error_pop; - D_puts("(err) pointer[k1] ok"); - - i = NUM2LONG(tmp) + ERROR_TOKEN; - D_printf("(err) i=%ld\n", i); - if (i < 0) goto error_pop; - - act_value = AREF(v->action_table, i); - if (NIL_P(act_value)) { - D_puts("(err) table[i] == nil"); - goto error_pop; - } - act = NUM2LONG(act_value); - D_printf("(err) table[i]=%ld\n", act); - - tmp = AREF(v->action_check, i); - if (NIL_P(tmp)) { - D_puts("(err) check[i] == nil"); - goto error_pop; - } - if (NUM2LONG(tmp) != v->curstate) { - D_puts("(err) check[i] != k1"); - goto error_pop; - } - - D_puts("(err) found: can handle error token"); - break; - - error_pop: - D_puts("(err) act not found: can't handle error token; pop"); - - if (RARRAY(v->state)->len <= 1) { - v->retval = Qnil; - v->fin = CP_FIN_CANTPOP; - return; - } - POP(v->state); - POP(v->vstack); - v->curstate = num_to_long(LAST_I(v->state)); - if (v->debug) { - POP(v->tstack); - rb_funcall(v->parser, id_d_e_pop, - 3, v->state, v->tstack, v->vstack); - } - } - - /* shift/reduce error token */ - if (act > 0 && act < v->shift_n) { - D_puts("e shift"); - SHIFT(v, act, ERROR_TOKEN, val); - } - else if (act < 0 && act > -(v->reduce_n)) { - D_puts("e reduce"); - REDUCE(v, act); - } - else if (act == v->shift_n) { - D_puts("e accept"); - goto accept; - } - else { - rb_raise(RaccBug, "[Racc Bug] unknown act value %ld", act); - } - goto error_recovered; -} - -static void -shift(struct cparse_params *v, long act, VALUE tok, VALUE val) -{ - PUSH(v->vstack, val); - if (v->debug) { - PUSH(v->tstack, tok); - rb_funcall(v->parser, id_d_shift, - 3, tok, v->tstack, v->vstack); - } - v->curstate = act; - PUSH(v->state, LONG2NUM(v->curstate)); -} - -static int -reduce(struct cparse_params *v, long act) -{ - VALUE code; - v->ruleno = -act * 3; - code = rb_catch("racc_jump", reduce0, v->value_v); - v->errstatus = num_to_long(rb_ivar_get(v->parser, id_errstatus)); - return NUM2INT(code); -} - -static VALUE -reduce0(VALUE val, VALUE data, VALUE self) -{ - struct cparse_params *v; - VALUE reduce_to, reduce_len, method_id; - long len; - ID mid; - VALUE tmp, tmp_t = Qundef, tmp_v = Qundef; - long i, k1, k2; - VALUE goto_state; - - Data_Get_Struct(data, struct cparse_params, v); - reduce_len = RARRAY(v->reduce_table)->ptr[v->ruleno]; - reduce_to = RARRAY(v->reduce_table)->ptr[v->ruleno+1]; - method_id = RARRAY(v->reduce_table)->ptr[v->ruleno+2]; - len = NUM2LONG(reduce_len); - mid = value_to_id(method_id); - - /* call action */ - if (len == 0) { - tmp = Qnil; - if (mid != id_noreduce) - tmp_v = rb_ary_new(); - if (v->debug) - tmp_t = rb_ary_new(); - } - else { - if (mid != id_noreduce) { - tmp_v = GET_TAIL(v->vstack, len); - tmp = RARRAY(tmp_v)->ptr[0]; - } - else { - tmp = RARRAY(v->vstack)->ptr[ RARRAY(v->vstack)->len - len ]; - } - CUT_TAIL(v->vstack, len); - if (v->debug) { - tmp_t = GET_TAIL(v->tstack, len); - CUT_TAIL(v->tstack, len); - } - CUT_TAIL(v->state, len); - } - if (mid != id_noreduce) { - if (v->use_result_var) { - tmp = rb_funcall(v->parser, mid, - 3, tmp_v, v->vstack, tmp); - } - else { - tmp = rb_funcall(v->parser, mid, - 2, tmp_v, v->vstack); - } - } - - /* then push result */ - PUSH(v->vstack, tmp); - if (v->debug) { - PUSH(v->tstack, reduce_to); - rb_funcall(v->parser, id_d_reduce, - 4, tmp_t, reduce_to, v->tstack, v->vstack); - } - - /* calculate transition state */ - if (RARRAY(v->state)->len == 0) - rb_raise(RaccBug, "state stack unexpectedly empty"); - k2 = num_to_long(LAST_I(v->state)); - k1 = num_to_long(reduce_to) - v->nt_base; - D_printf("(goto) k1=%ld\n", k1); - D_printf("(goto) k2=%ld\n", k2); - - tmp = AREF(v->goto_pointer, k1); - if (NIL_P(tmp)) goto notfound; - - i = NUM2LONG(tmp) + k2; - D_printf("(goto) i=%ld\n", i); - if (i < 0) goto notfound; - - goto_state = AREF(v->goto_table, i); - if (NIL_P(goto_state)) { - D_puts("(goto) table[i] == nil"); - goto notfound; - } - D_printf("(goto) table[i]=%ld (goto_state)\n", NUM2LONG(goto_state)); - - tmp = AREF(v->goto_check, i); - if (NIL_P(tmp)) { - D_puts("(goto) check[i] == nil"); - goto notfound; - } - if (tmp != LONG2NUM(k1)) { - D_puts("(goto) check[i] != table[i]"); - goto notfound; - } - D_printf("(goto) check[i]=%ld\n", NUM2LONG(tmp)); - - D_puts("(goto) found"); - transit: - PUSH(v->state, goto_state); - v->curstate = NUM2LONG(goto_state); - return INT2FIX(0); - - notfound: - D_puts("(goto) not found: use default"); - /* overwrite `goto-state' by default value */ - goto_state = AREF(v->goto_default, k1); - goto transit; -} - -/* ----------------------------------------------------------------------- - Ruby Interface ------------------------------------------------------------------------ */ - -void -Init_cparse(void) -{ - VALUE Racc, Parser; - ID id_racc = rb_intern("Racc"); - - if (rb_const_defined(rb_cObject, id_racc)) { - Racc = rb_const_get(rb_cObject, id_racc); - Parser = rb_const_get_at(Racc, rb_intern("Parser")); - } - else { - Racc = rb_define_module("Racc"); - Parser = rb_define_class_under(Racc, "Parser", rb_cObject); - } - rb_define_private_method(Parser, "_racc_do_parse_c", racc_cparse, 2); - rb_define_private_method(Parser, "_racc_yyparse_c", racc_yyparse, 4); - rb_define_const(Parser, "Racc_Runtime_Core_Version_C", - rb_str_new2(RACC_VERSION)); - rb_define_const(Parser, "Racc_Runtime_Core_Id_C", - rb_str_new2("$originalId: cparse.c,v 1.8 2006/07/06 11:39:46 aamine Exp $")); - - CparseParams = rb_define_class_under(Racc, "CparseParams", rb_cObject); - - RaccBug = rb_eRuntimeError; - - id_yydebug = rb_intern("@yydebug"); - id_nexttoken = rb_intern("next_token"); - id_onerror = rb_intern("on_error"); - id_noreduce = rb_intern("_reduce_none"); - id_errstatus = rb_intern("@racc_error_status"); - - id_d_shift = rb_intern("racc_shift"); - id_d_reduce = rb_intern("racc_reduce"); - id_d_accept = rb_intern("racc_accept"); - id_d_read_token = rb_intern("racc_read_token"); - id_d_next_state = rb_intern("racc_next_state"); - id_d_e_pop = rb_intern("racc_e_pop"); -} |