385 lines
12 KiB
C
385 lines
12 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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#define mklist0(f) \
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f( nop_op, "nop") \
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f( get_var_op, "get_var\t\t%v,%r") \
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f( put_var_op, "put_var\t\t%v,%r") \
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f( get_val_op, "get_val\t\t%v,%r") \
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f( put_val_op, "put_val\t\t%v,%r") \
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f( get_atom_op, "get_atom\t%a,%r") \
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f( put_atom_op, "put_atom\t%a,%r") \
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f( get_num_op, "get_num\t\t%n,%r") \
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f( put_num_op, "put_num\t\t%n,%r") \
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f( get_float_op,"get_float\t\t%w,%r" ) \
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f( put_float_op, "put_float\t\t%w,%r") \
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f( get_dbterm_op, "get_dbterm\t%w,%r") \
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f( put_dbterm_op, "put_dbterm\t%w,%r") \
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f( get_longint_op, "get_longint\t\t%w,%r") \
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f( put_longint_op, "put_longint\t\t%w,%r") \
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f( get_string_op, "get_string\t\t%w,%S") \
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f( put_string_op, "put_string\t\t%w,%S") \
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f( get_bigint_op, "get_bigint\t\t%l,%r") \
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f( put_bigint_op, "put_bigint\t\t%l,%r") \
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f( get_list_op, "get_list\t%r") \
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f( put_list_op, "put_list\t%r") \
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f( get_struct_op, "get_struct\t%f,%r") \
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f( put_struct_op, "put_struct\t%f,%r") \
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f( put_unsafe_op, "put_unsafe\t%v,%r") \
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f( unify_var_op, "unify_var\t%v") \
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f( write_var_op, "write_var\t%v") \
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f( unify_val_op, "unify_val\t%v") \
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f( write_val_op, "write_val\t%v") \
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f( unify_atom_op, "unify_atom\t%a") \
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f( write_atom_op, "write_atom\t%a") \
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f( unify_num_op, "unify_num\t%n") \
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f( write_num_op, "write_num\t%n") \
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f( unify_float_op, "unify_float\t%w") \
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f( write_float_op, "write_float\t%w") \
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f( unify_dbterm_op, "unify_dbterm\t%w") \
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f( write_dbterm_op, "write_dbterm\t%w") \
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f( unify_longint_op, "unify_longint\t%w") \
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f( write_longint_op, "write_longint\t%w") \
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f( unify_string_op, "unify_string\t%S") \
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f( write_string_op, "write_string\t%S") \
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f( unify_bigint_op, "unify_bigint\t%l") \
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f( write_bigint_op, "write_bigint\t%l") \
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f( unify_list_op, "unify_list") \
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f( write_list_op, "write_list") \
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f( unify_struct_op, "unify_struct\t%f") \
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f( write_struct_op, "write_struct\t%f") \
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f( write_unsafe_op, "write_unsafe\t%v") \
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f( unify_local_op, "unify_local\t%v") \
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f( write_local_op, "write local\t%v") \
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f( unify_last_list_op, "unify_last_list") \
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f( write_last_list_op, "write_last_list") \
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f( unify_last_struct_op, "unify_last_struct\t%f") \
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f( write_last_struct_op, "write_last_struct\t%f") \
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f( unify_last_var_op, "unify_last_var\t%v") \
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f( unify_last_val_op, "unify_last_val\t%v") \
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f( unify_last_local_op, "unify_last_local\t%v") \
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f( unify_last_atom_op, "unify_last_atom\t%a") \
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f( unify_last_num_op, "unify_last_num\t%n") \
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f( unify_last_float_op, "unify_last_float\t%w") \
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f( unify_last_dbterm_op, "unify_last_dbterm\t%w") \
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f( unify_last_longint_op, "unify_last_longint\t%w") \
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f( unify_last_string_op, "unify_last_string\t%S") \
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f( unify_last_bigint_op, "unify_last_bigint\t%l") \
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f( ensure_space_op, "ensure_space") \
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f( native_op, "native_code") \
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f( f_var_op, "function_to_var\t%v,%B") \
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f( f_val_op, "function_to_val\t%v,%B") \
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f( f_0_op, "function_to_0\t%B") \
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f( align_float_op, "align_float") \
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f( fail_op, "fail") \
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f( cut_op, "cut") \
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f( cutexit_op, "cutexit") \
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f( allocate_op, "allocate") \
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f( deallocate_op, "deallocate") \
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f( tryme_op, "try_me_else\t\t%l\t%x") \
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f( jump_op, "jump\t\t%l") \
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f( jumpi_op, "jump_in_indexing\t\t%i") \
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f( procceed_op, "proceed") \
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f( call_op, "call\t\t%p,%d,%z") \
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f( execute_op, "execute\t\t%p") \
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f( safe_call_op, "sys\t\t%p") \
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f( label_op, "%l:") \
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f( name_op, "name\t\t%m,%d") \
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f( pop_op, "pop\t\t%l") \
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f( retryme_op, "retry_me_else\t\t%l\t%x") \
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f( trustme_op, "trust_me_else_fail\t%x") \
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f( either_op, "either_me\t\t%l,%d,%z") \
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f( orelse_op, "or_else\t\t%l,%z") \
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f( orlast_op, "or_last") \
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f( push_or_op, "push_or") \
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f( pushpop_or_op, "pushpop_or") \
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f( pop_or_op, "pop_or") \
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f( save_b_op, "save_by\t\t%v") \
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f( commit_b_op, "commit_by\t\t%v") \
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f( patch_b_op, "patch_by\t\t%v") \
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f( try_op, "try\t\t%g\t%x") \
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f( retry_op, "retry\t\t%g\t%x") \
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f( trust_op, "trust\t\t%g\t%x") \
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f( try_in_op, "try_in\t\t%g\t%x") \
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f( jump_v_op, "jump_if_var\t\t%g") \
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f( jump_nv_op, "jump_if_nonvar\t\t%g") \
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f( cache_arg_op, "cache_arg\t%r") \
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f( cache_sub_arg_op, "cache_sub_arg\t%d") \
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f( user_switch_op, "user_switch") \
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f( switch_on_type_op, "switch_on_type\t%h\t%h\t%h\t%h") \
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f( switch_c_op, "switch_on_constant\t%i\n%c") \
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f( if_c_op, "if_constant\t%i\n%c") \
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f( switch_f_op, "switch_on_functor\t%i\n%e") \
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f( if_f_op, "if_functor\t%i\n%e") \
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f( if_not_op, "if_not_then\t%i\t%h\t%h\t%h") \
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f( index_dbref_op, "index_on_dbref") \
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f( index_blob_op, "index_on_blob") \
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f( index_string_op, "index_on_string") \
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f( index_long_op, "index_on_blob") \
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f( if_nonvar_op, "check_var\t %r") \
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f( save_pair_op, "save_pair\t%v") \
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f( save_appl_op, "save_appl\t%v") \
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f( mark_initialized_pvars_op, "pvar_bitmap\t%l,%b") \
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f( mark_live_regs_op, "pvar_live_regs\t%l,%b") \
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f( fetch_args_vv_op, "fetch_reg1_reg2\t%N,%N") \
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f( fetch_args_cv_op, "fetch_constant_reg\t%l,%N") \
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f( fetch_args_vc_op, "fetch_reg_constant\t%l,%N") \
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f( fetch_args_iv_op, "fetch_integer_reg\t%d,%N") \
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f( fetch_args_vi_op, "fetch_reg_integer\t%d,%N") \
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f( enter_profiling_op, "enter_profiling\t\t%g") \
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f( retry_profiled_op, "retry_profiled\t\t%g") \
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f( count_call_op, "count_call_op\t\t%g") \
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f( count_retry_op, "count_retry_op\t\t%g") \
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f( restore_tmps_op, "restore_temps\t\t%l") \
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f( restore_tmps_and_skip_op, "restore_temps_and_skip\t\t%l") \
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f( enter_lu_op, "enter_lu") \
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f( empty_call_op, "empty_call\t\t%l,%d") \
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f( bccall_op, "binary_cfunc\t\t%v,%r,%2") \
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f( blob_op, "blob\t%O") \
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f( string_op, "string\t%O") \
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f( label_ctl_op, "label_control\t")
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#ifdef YAPOR
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#define mklist1(f) \
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mklist0(f) \
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f( sync_op, "sync")
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#else
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#define mklist1(f) mklist0(f)
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#endif /* YAPOR */
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#ifdef TABLING
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#define mklist2(f) \
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mklist1(f) \
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f( table_new_answer_op, "table_new_answer") \
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f( table_try_single_op, "table_try_single\t%g\t%x")
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#else
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#define mklist2(f) mklist1(f)
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#endif /* TABLING */
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#ifdef TABLING_INNER_CUTS
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#define mklist3(f) \
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mklist2(f) \
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f( clause_with_cut_op, "clause_with_cut")
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#else
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#define mklist3(f) mklist2(f)
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#endif /* TABLING_INNER_CUTS */
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#ifdef BEAM
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#define mklist4(f) \
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mklist3(f) \
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f( run_op, "run_op %1,%4") \
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f( body_op, "body_op %1") \
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f( endgoal_op, "endgoal_op") \
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f( try_me_op, "try_me_op %1,%4") \
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f( retry_me_op, "retry_me_op %1,%4") \
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f( trust_me_op, "trust_me_op %1,%4") \
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f( only_1_clause_op, "only_1_clause_op %1,%4") \
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f( create_first_box_op, "create_first_box_op %1,%4") \
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f( create_box_op, "create_box_op %1,%4") \
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f( create_last_box_op, "create_last_box_op %1,%4") \
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f( remove_box_op, "remove_box_op %1,%4") \
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f( remove_last_box_op, "remove_last_box_op %1,%4" ) \
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f( prepare_tries, "prepare_tries") \
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f( std_base_op, "std_base_op %1,%4") \
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f( direct_safe_call_op, "direct_safe_call") \
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f( commit_op, ) \
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f( skip_while_var_op, "skip_while_var_op") \
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f( wait_while_var_op, "wait_while_var_op") \
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f( force_wait_op, "force_wait_op") \
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f( is_op, "is_op") \
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f( write_op, "write_op") \
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f( equal_op, "equal_op") \
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f( exit_op, "exit")
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#else
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#define mklist4(f) mklist3(f)
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#endif
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#ifdef SFUNC
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#define mklist(f) \
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mklist4(f) \
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f( get_s_f_op, "get_s_f_op\t%f,%r") \
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f( put_s_f_op, "put_s_f_op\t%f,%r") \
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f( unify_s_f_op, "unify_s_f_op\t%f") \
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f( write_s_f_op, "write_s_f_op\t%f") \
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f( unify_s_var_op, "unify_s_var\t%v,%r") \
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f( write_s_var_op, "write_s_var\t%v,%r") \
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f( unify_s_val_op, "unify_s_val\t%v,%r") \
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f( write_s_val_op, "write_s_val\t%v,%r") \
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f( unify_s_a_op, "unify_s_a\t%a,%r") \
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f( write_s_a_op, "write_s_a\t%a,%r") \
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f( get_s_end_op, "get_s_end") \
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f( put_s_end_op, "put_s_end") \
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f( unify_s_end_op, "unify_s_end") \
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f( write_s_end_op, "write_s_end")
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#else
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#define mklist(f) mklist4(f)
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#endif
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#define f_enum(x, y) x,
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#define f_arr(x, y) y,
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enum compiler_op { mklist(f_enum) };
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typedef enum compiler_op 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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#if MIN_ARRAY == 0
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CELL opseqt[MIN_ARRAY];
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#else
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CELL opseqt[1];
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#endif
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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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#define rnd5 ops.opseqt[3]
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#define rnd6 ops.opseqt[4]
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#define rnd7 ops.opseqt[5]
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#define rnd8 ops.opseqt[6]
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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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UInt term_depth, last_index_at_depth;
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UInt last_index_new_depth, last_depth_size;
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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 bt_flag 0x10010
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#define bt2_flag 0x10020 // unused
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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 *Yap_assemble(int,Term,struct pred_entry *,int, struct intermediates *, UInt);
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void Yap_emit(compiler_vm_op,Int,CELL, struct intermediates *);
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void Yap_emit_3ops(compiler_vm_op,CELL,CELL,CELL, struct intermediates *);
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void Yap_emit_4ops(compiler_vm_op,CELL,CELL,CELL,CELL, struct intermediates *);
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void Yap_emit_5ops(compiler_vm_op,CELL,CELL,CELL,CELL,CELL, struct intermediates *);
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void Yap_emit_6ops(compiler_vm_op,CELL,CELL,CELL,CELL,CELL,CELL, struct intermediates *);
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void Yap_emit_7ops(compiler_vm_op,CELL,CELL,CELL,CELL,CELL,CELL,CELL, struct intermediates *);
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CELL *Yap_emit_extra_size(compiler_vm_op,CELL,int, struct intermediates *);
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char *Yap_AllocCMem(UInt, struct intermediates *);
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void Yap_ReleaseCMem(struct intermediates *);
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int Yap_is_a_test_pred(Term, Term);
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void Yap_bip_name(Int, char *);
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#ifdef DEBUG
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void Yap_ShowCode(struct intermediates *);
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#endif /* DEBUG */
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