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d1c13d57c5
Estimated hours taken: 0.3 Branches: main runtime/mercury_accurate_gc.h: runtime/mercury_agc_debug.h: runtime/mercury_array_macros.h: runtime/mercury_construct.h: runtime/mercury_deconstruct.h: runtime/mercury_init.h: runtime/mercury_layout_util.h: runtime/mercury_stack_layout.h: runtime/mercury_stack_trace.h: runtime/mercury_trail.h: Fix some layout issues in these files. There are no algorithmic changes.
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*
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** Copyright (C) 2002, 2005 The University of Melbourne.
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** This file may only be copied under the terms of the GNU Library General
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** Public License - see the file COPYING.LIB in the Mercury distribution.
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*/
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/*
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** mercury_construct.h
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**
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** This module provides utility functions for constructing terms, for use by
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** the standard library.
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*/
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#ifndef MERCURY_CONSTRUCT_H
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#define MERCURY_CONSTRUCT_H
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#include "mercury_types.h"
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#include "mercury_type_info.h"
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#include "mercury_stack_layout.h"
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union MR_Construct_Functor_Union {
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const MR_EnumFunctorDesc *enum_functor_desc;
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const MR_NotagFunctorDesc *notag_functor_desc;
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const MR_DuFunctorDesc *du_functor_desc;
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};
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typedef struct MR_Construct_Info_Struct {
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MR_ConstString functor_name;
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MR_Integer arity;
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const MR_PseudoTypeInfo *arg_pseudo_type_infos;
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const MR_ConstString *arg_names;
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MR_TypeCtorRep type_ctor_rep;
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union MR_Construct_Functor_Union functor_info;
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} MR_Construct_Info;
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/*
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** MR_get_num_functors:
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**
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** Get the number of functors for a type. If it isn't a
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** discriminated union, return -1.
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**
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** You need to save and restore transient registers around
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** calls to this function.
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*/
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extern int MR_get_num_functors(MR_TypeInfo type_info);
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/*
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** MR_get_functors_check_range:
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**
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** Check that functor_number is in range, and get the functor
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** info if it is. Return MR_FALSE if it is out of range, or
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** if MR_get_functor_info returns MR_FALSE, otherwise return MR_TRUE.
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**
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** You need to save and restore transient registers around
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** calls to this function.
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*/
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extern MR_bool MR_get_functors_check_range(int functor_number,
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MR_TypeInfo type_info,
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MR_Construct_Info *construct_info);
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/*
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** MR_typecheck_arguments:
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**
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** Given a list of univs (`arg_list'), and a vector of
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** type_infos (`arg_vector'), checks that they are all of the
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** same type; if so, returns MR_TRUE, otherwise returns MR_FALSE;
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** `arg_vector' may contain type variables, these
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** will be filled in by the type arguments of `type_info'.
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**
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** Assumes the length of the list has already been checked.
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**
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** You need to save and restore transient registers around
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** calls to this function.
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*/
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extern MR_bool MR_typecheck_arguments(MR_TypeInfo type_info,
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int arity, MR_Word arg_list,
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const MR_PseudoTypeInfo *arg_pseudo_type_infos);
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#endif /* MERCURY_CONSTRUCT_H */
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