340 lines
6.9 KiB
C++
340 lines
6.9 KiB
C++
/*************************************************************************
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* *
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* YAP Prolog %W% %G% *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: compile.h *
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* Last rev: *
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* mods: *
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* comments: compiler data structures and routines *
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* *
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*************************************************************************/
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/* consult stack management */
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/* virtual machine instruction op-codes */
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typedef enum compiler_op {
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nop_op,
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get_var_op,
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put_var_op,
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get_val_op,
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put_val_op,
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get_atom_op,
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put_atom_op,
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get_num_op,
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put_num_op,
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get_float_op,
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put_float_op,
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get_dbterm_op,
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put_dbterm_op,
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get_longint_op,
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put_longint_op,
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get_bigint_op,
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put_bigint_op,
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get_list_op,
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put_list_op,
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get_struct_op,
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put_struct_op,
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put_unsafe_op,
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unify_var_op,
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write_var_op,
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unify_val_op,
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write_val_op,
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unify_atom_op,
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write_atom_op,
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unify_num_op,
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write_num_op,
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unify_float_op,
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write_float_op,
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unify_dbterm_op,
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write_dbterm_op,
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unify_longint_op,
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write_longint_op,
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unify_bigint_op,
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write_bigint_op,
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unify_list_op,
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write_list_op,
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unify_struct_op,
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write_struct_op,
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write_unsafe_op,
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unify_local_op,
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write_local_op,
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unify_last_list_op,
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write_last_list_op,
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unify_last_struct_op,
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write_last_struct_op,
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unify_last_var_op,
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unify_last_val_op,
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unify_last_local_op,
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unify_last_atom_op,
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unify_last_num_op,
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unify_last_float_op,
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unify_last_dbterm_op,
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unify_last_longint_op,
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unify_last_bigint_op,
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ensure_space_op,
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native_op,
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f_var_op,
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f_val_op,
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f_0_op,
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align_float_op,
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fail_op,
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cut_op,
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cutexit_op,
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allocate_op,
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deallocate_op,
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tryme_op,
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jump_op,
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jumpi_op,
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procceed_op,
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call_op,
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execute_op,
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safe_call_op,
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label_op,
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name_op,
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pop_op,
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retryme_op,
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trustme_op,
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either_op,
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orelse_op,
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orlast_op,
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push_or_op,
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pushpop_or_op,
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pop_or_op,
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save_b_op,
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commit_b_op,
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patch_b_op,
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try_op,
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retry_op,
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trust_op,
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try_in_op,
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jump_v_op,
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jump_nv_op,
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cache_arg_op,
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cache_sub_arg_op,
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user_switch_op,
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switch_on_type_op,
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switch_c_op,
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if_c_op,
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switch_f_op,
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if_f_op,
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if_not_op,
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index_dbref_op,
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index_blob_op,
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index_long_op,
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if_nonvar_op,
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save_pair_op,
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save_appl_op,
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mark_initialised_pvars_op,
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mark_live_regs_op,
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fetch_args_vv_op,
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fetch_args_cv_op,
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fetch_args_vc_op,
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fetch_args_iv_op,
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fetch_args_vi_op,
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enter_profiling_op,
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retry_profiled_op,
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count_call_op,
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count_retry_op,
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restore_tmps_op,
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restore_tmps_and_skip_op,
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enter_lu_op,
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empty_call_op,
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#ifdef YAPOR
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sync_op,
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#endif /* YAPOR */
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#ifdef TABLING
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table_new_answer_op,
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table_try_single_op,
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#endif /* TABLING */
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#ifdef TABLING_INNER_CUTS
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clause_with_cut_op,
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#endif /* TABLING_INNER_CUTS */
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#ifdef BEAM
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run_op,
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body_op,
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endgoal_op,
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try_me_op,
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retry_me_op,
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trust_me_op,
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only_1_clause_op,
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create_first_box_op,
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create_box_op,
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create_last_box_op,
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remove_box_op,
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remove_last_box_op,
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prepare_tries,
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std_base_op,
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direct_safe_call_op,
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commit_op,
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skip_while_var_op,
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wait_while_var_op,
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force_wait_op,
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write_op,
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equal_op,
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exit_op,
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#endif
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fetch_args_for_bccall,
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bccall_op,
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blob_op,
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label_ctl_op
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#ifdef SFUNC
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,
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get_s_f_op,
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put_s_f_op,
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unify_s_f_op,
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write_s_f_op,
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unify_s_var_op,
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write_s_var_op,
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unify_s_val_op,
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write_s_val_op,
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unify_s_a_op,
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write_s_a_op,
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get_s_end_op,
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put_s_end_op,
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unify_s_end_op,
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write_s_end_op,
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#endif
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} compiler_vm_op;
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typedef struct PSEUDO {
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struct PSEUDO *nextInst;
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enum compiler_op op;
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CELL rnd1;
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union {
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Int oprnd2;
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CELL opseqt[1];
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} ops;
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} PInstr;
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#define arnds ops.opseqt
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#define rnd2 ops.oprnd2
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#define rnd3 ops.opseqt[1]
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#define rnd4 ops.opseqt[2]
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typedef struct VENTRY {
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CELL SelfOfVE;
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Term AdrsOfVE;
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Int KindOfVE;
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CELL NoOfVE;
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PInstr *FirstOpForV;
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PInstr *LastOpForV;
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BITS16 AgeOfVE;
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BITS16 BranchOfVE;
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BITS16 LastBranchOfVE;
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BITS16 FirstOfVE;
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BITS16 RCountOfVE;
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BITS16 FlagsOfVE;
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struct VENTRY *NextOfVE;
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} Ventry;
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typedef struct CEXPENTRY {
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Term TermOfCE;
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PInstr *CodeOfCE;
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Term VarOfCE;
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struct CEXPENTRY *NextCE;
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} CExpEntry;
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#define COMPILER_ERR_BOTCH 1
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#define OUT_OF_HEAP_BOTCH 2
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#define OUT_OF_STACK_BOTCH 3
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#define OUT_OF_TEMPS_BOTCH 4
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#define OUT_OF_AUX_BOTCH 5
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#define OUT_OF_TRAIL_BOTCH 6
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typedef struct intermediates {
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char *freep;
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char *freep0;
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struct mem_blk *blks;
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char *blk_cur, *blk_top;
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struct PSEUDO *cpc;
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struct PSEUDO *CodeStart;
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struct PSEUDO *icpc;
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struct PSEUDO *BlobsStart;
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struct dbterm_list *dbterml;
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Int *label_offset;
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Int *uses;
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Term *contents;
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struct pred_entry *CurrentPred;
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sigjmp_buf CompilerBotch;
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yamop *code_addr;
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yamop *expand_block;
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UInt i_labelno;
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UInt exception_handler, success_handler, failure_handler;
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/* for expanding code */
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yamop **current_try_lab, **current_trust_lab;
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yamop *try_instructions;
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struct StructClauseDef *cls;
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int clause_has_cut;
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/* for expanding code */
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union {
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struct static_index *si;
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struct logic_upd_index *lui;
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} current_cl;
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} CIntermediates;
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typedef enum special_label_id_enum {
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SPECIAL_LABEL_SUCCESS = 0,
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SPECIAL_LABEL_FAILURE = 1,
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SPECIAL_LABEL_EXCEPTION = 2
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} special_label_id;
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typedef enum special_label_op_enum {
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SPECIAL_LABEL_INIT = 0,
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SPECIAL_LABEL_SET = 1,
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SPECIAL_LABEL_CLEAR =2
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} special_label_op;
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#define SafeVar 0x01
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#define PermFlag 0x02
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#define GlobalVal 0x04
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#define OnHeadFlag 0x08
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#define NonVoid 0x10
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#define BranchVar 0x20
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#define OnLastGoal 0x40
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#define MaskVarClass 0x0f000000L
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#define MaskVarAdrs 0x00ffffffL
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#define Unassigned 0x00000000L
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#define VoidVar 0x01000000L
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#define TempVar 0x02000000L
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#define PermVar 0x03000000L
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#define save_b_flag 0x10000
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#define commit_b_flag 0x10001
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#define save_appl_flag 0x10002
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#define save_pair_flag 0x10004
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#define f_flag 0x10008
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#define bt1_flag 0x10010
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#define bt2_flag 0x10020
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#define patch_b_flag 0x10040
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#define init_v_flag 0x10080
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#define Zero 0
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#define One 1
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#define Two 2
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yamop *STD_PROTO(Yap_assemble,(int,Term,struct pred_entry *,int, struct intermediates *, UInt));
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void STD_PROTO(Yap_emit,(compiler_vm_op,Int,CELL, struct intermediates *));
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void STD_PROTO(Yap_emit_3ops,(compiler_vm_op,CELL,CELL,CELL, struct intermediates *));
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void STD_PROTO(Yap_emit_4ops,(compiler_vm_op,CELL,CELL,CELL,CELL, struct intermediates *));
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CELL *STD_PROTO(Yap_emit_extra_size,(compiler_vm_op,CELL,int, struct intermediates *));
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char *STD_PROTO(Yap_AllocCMem,(UInt, struct intermediates *));
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void STD_PROTO(Yap_ReleaseCMem, (struct intermediates *));
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int STD_PROTO(Yap_is_a_test_pred,(Term, Term));
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void STD_PROTO(Yap_bip_name,(Int, char *));
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#ifdef DEBUG
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void STD_PROTO(Yap_ShowCode,(struct intermediates *));
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#endif /* DEBUG */
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