2002-10-11 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp.c (re_compile_fastmap_iter): Remove the handling
OP_CONTEXT_NODE.
(regfree): Likewise.
(create_initial_state): Likewise.
(analyze): Remove the substitutions which became useless.
(calc_first): Likewise.
(calc_epsdest): Use edests of OP_BACK_REF in case that it has
epsilon destination.
(duplicate_node_closure): New function.
(duplicate_node): Remove the handling OP_CONTEXT_NODE.
(calc_inveclosure): Likewise.
(calc_eclosure): Likewise.
(calc_eclosure_iter): Invoke duplicate_node_closure instead of
direct invocation of duplicate_node.
(parse): Don't use comma operator in the return to avoid compiler
warning.
(parse_reg_exp): Likewise.
(parse_branch): Likewise.
(parse_expression): Likewise.
(parse_sub_exp): Likewise.
(parse_dup_op): Likewise.
* posix/regex_internal.c (re_dfa_add_node): Remove the substitutions
which became useless.
(create_ci_newstate): Remove the handling OP_CONTEXT_NODE.
(create_cd_newstate): Likewise.
* posix/regex_internal.h (re_token_type_t): Remove the obsolete type.
(re_token_t): Likewise.
(re_dfa_t): Likewise.
(re_node_set_remove): New macro.
* posix/regexec.c (check_matching): Remove the handling
OP_CONTEXT_NODE.
(check_halt_node_context): Likewise.
(proceed_next_node): Likewise.
(pop_fail_stack): Fix the memory leak.
(set_regs): Likewise.
(free_fail_stack_return): New function.
(sift_states_backward): Fix the memory leak. Remove the handling
OP_CONTEXT_NODE.
(update_cur_sifted_state): Append some if clause to avoid redundant
call.
(sub_epsilon_src_nodes): Use IS_EPSILON_NODE since it might be a
back reference.
(check_dst_limits): Remove the handling OP_CONTEXT_NODE.
(check_subexp_limits): Likewise.
(search_subexp): Likewise.
(sift_states_bkref): Likewise.
(transit_state_mb): Likewise.
(transit_state_bkref_loop): Likewise.
(transit_state_bkref_loop): Likewise.
(group_nodes_into_DFAstates): Likewise.
(check_node_accept): Likewise.
(sift_ctx_init): Add initializing.
2002-10-12 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/sysdep.h (INLINE_SYSCALL): Use
__builtin_expect.
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