X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=type_t.h;h=ec5b9a255cafe792a90caa5bed67fc13f7dc2b15;hb=9d562f8239c1c0232c7254f53b78e2b74325e1a7;hp=d6131d5470bc2b438863a72f39f3fb2c254293a0;hpb=f7fcbd784cc31900ec3d73b4a523470a79475abd;p=cparser diff --git a/type_t.h b/type_t.h index d6131d5..ec5b9a2 100644 --- a/type_t.h +++ b/type_t.h @@ -1,3 +1,22 @@ +/* + * This file is part of cparser. + * Copyright (C) 2007-2008 Matthias Braun + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ #ifndef TYPE_T_H #define TYPE_T_H @@ -14,10 +33,12 @@ extern struct obstack *type_obst; -typedef enum { +typedef enum type_kind_t { TYPE_INVALID, TYPE_ERROR, TYPE_ATOMIC, + TYPE_COMPLEX, + TYPE_IMAGINARY, TYPE_COMPOUND_STRUCT, TYPE_COMPOUND_UNION, TYPE_ENUM, @@ -30,100 +51,103 @@ typedef enum { TYPE_TYPEOF, } type_kind_t; -/* note that the constant values represent the rank of the types as defined - * in § 6.3.1 */ -typedef enum { - ATOMIC_TYPE_INVALID = 0, - ATOMIC_TYPE_VOID, - ATOMIC_TYPE_CHAR, - ATOMIC_TYPE_SCHAR, - ATOMIC_TYPE_UCHAR, - ATOMIC_TYPE_SHORT, - ATOMIC_TYPE_USHORT, - ATOMIC_TYPE_INT, - ATOMIC_TYPE_UINT, - ATOMIC_TYPE_LONG, - ATOMIC_TYPE_ULONG, - ATOMIC_TYPE_LONGLONG, - ATOMIC_TYPE_ULONGLONG, - ATOMIC_TYPE_FLOAT, - ATOMIC_TYPE_DOUBLE, - ATOMIC_TYPE_LONG_DOUBLE, - ATOMIC_TYPE_BOOL, -#ifdef PROVIDE_COMPLEX - ATOMIC_TYPE_FLOAT_COMPLEX, - ATOMIC_TYPE_DOUBLE_COMPLEX, - ATOMIC_TYPE_LONG_DOUBLE_COMPLEX, - ATOMIC_TYPE_FLOAT_IMAGINARY, - ATOMIC_TYPE_DOUBLE_IMAGINARY, - ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY, -#endif - ATOMIC_TYPE_LAST -} atomic_type_kind_t; - -typedef enum { - TYPE_QUALIFIER_NONE = 0, - TYPE_QUALIFIER_CONST = 1 << 0, - TYPE_QUALIFIER_RESTRICT = 1 << 1, - TYPE_QUALIFIER_VOLATILE = 1 << 2, -} type_qualifier_t; - -typedef unsigned int type_qualifiers_t; +typedef enum type_modifier_t { + TYPE_MODIFIER_NONE = 0, + TYPE_MODIFIER_TRANSPARENT_UNION = 1 << 0, +} type_modifier_t; +typedef unsigned short type_modifiers_t; struct type_base_t { type_kind_t kind; + source_position_t source_position; + il_size_t size; /**< The size of this type. */ type_qualifiers_t qualifiers; + type_modifiers_t modifiers; + il_alignment_t alignment; /**< The extra alignment of the type, 0 for default. */ ir_type *firm_type; }; struct atomic_type_t { - type_base_t type; + type_base_t base; + atomic_type_kind_t akind; +}; + +struct complex_type_t { + type_base_t base; + atomic_type_kind_t akind; +}; + +struct imaginary_type_t { + type_base_t base; atomic_type_kind_t akind; }; struct builtin_type_t { - type_base_t type; + type_base_t base; symbol_t *symbol; type_t *real_type; }; struct pointer_type_t { - type_base_t type; + type_base_t base; type_t *points_to; }; struct array_type_t { - type_base_t type; + type_base_t base; type_t *element_type; - expression_t *size; - bool is_static; - bool is_variable; + expression_t *size_expression; + size_t size; + + ir_node *size_node; /**< used by ast2firm phase */ + + unsigned is_static : 1; /**< a [static] type */ + unsigned is_variable : 1; /**< a [*] type */ + unsigned has_implicit_size : 1; + unsigned size_constant : 1; /**< size expression is constant */ + unsigned is_vla : 1; /**< it's a variable length array */ }; +/** + * An entry in the parameter list of a function type. + */ struct function_parameter_t { - type_t *type; - function_parameter_t *next; + type_t *type; /**< The parameter type. */ + function_parameter_t *next; /**< Points to the next type inthe parameter list.*/ }; +/** Calling conventions. */ +typedef enum cc_kind_t { + CC_DEFAULT, /**< default calling convention. */ + CC_CDECL, /**< cdecl calling convention. */ + CC_STDCALL, /**< stdcall calling convention. */ + CC_FASTCALL, /**< fastcall calling convention. */ + CC_THISCALL /**< thiscall calling convention. */ +} cc_kind_t; + +/** + * A function type. + */ struct function_type_t { - type_base_t type; - type_t *return_type; - function_parameter_t *parameters; + type_base_t base; + type_t *return_type; /**< The return type. */ + function_parameter_t *parameters; /**< A list of the parameter types. */ + cc_kind_t calling_convention; /**< The specified calling convention. */ unsigned variadic : 1; unsigned unspecified_parameters : 1; unsigned kr_style_parameters : 1; }; struct compound_type_t { - type_base_t type; - /** the declaration of the compound type, its context field + type_base_t base; + /** the declaration of the compound type, the scope of the declaration * contains the compound entries. */ declaration_t *declaration; }; struct enum_type_t { - type_base_t type; + type_base_t base; /** the declaration of the enum type. You can find the enum entries by * walking the declaration->next list until you don't find * STORAGE_CLASS_ENUM_ENTRY declarations anymore */ @@ -131,21 +155,21 @@ struct enum_type_t { }; struct typedef_type_t { - type_base_t type; + type_base_t base; declaration_t *declaration; type_t *resolved_type; }; struct typeof_type_t { - type_base_t type; + type_base_t base; expression_t *expression; type_t *typeof_type; type_t *resolved_type; }; struct bitfield_type_t { - type_base_t type; - type_t *base; + type_base_t base; + type_t *base_type; expression_t *size; }; @@ -153,6 +177,8 @@ union type_t { type_kind_t kind; type_base_t base; atomic_type_t atomic; + complex_type_t complex; + imaginary_type_t imaginary; builtin_type_t builtin; pointer_type_t pointer; array_type_t array; @@ -165,7 +191,11 @@ union type_t { }; type_t *make_atomic_type(atomic_type_kind_t type, type_qualifiers_t qualifiers); +type_t *make_complex_type(atomic_type_kind_t type, type_qualifiers_t qualifiers); +type_t *make_imaginary_type(atomic_type_kind_t type, type_qualifiers_t qualifiers); type_t *make_pointer_type(type_t *points_to, type_qualifiers_t qualifiers); +type_t *make_array_type(type_t *element_type, size_t size, + type_qualifiers_t qualifiers); type_t *duplicate_type(const type_t *type); @@ -203,6 +233,24 @@ static inline bool is_type_function(const type_t *type) return type->kind == TYPE_FUNCTION; } +static inline bool is_type_union(const type_t *type) +{ + assert(!is_typeref(type)); + return type->kind == TYPE_COMPOUND_UNION; +} + +static inline bool is_type_struct(const type_t *type) +{ + assert(!is_typeref(type)); + return type->kind == TYPE_COMPOUND_STRUCT; +} + +static inline bool is_type_builtin(const type_t *type) +{ + assert(!is_typeref(type)); + return type->kind == TYPE_BUILTIN; +} + static inline bool is_type_compound(const type_t *type) { assert(!is_typeref(type)); @@ -210,4 +258,9 @@ static inline bool is_type_compound(const type_t *type) || type->kind == TYPE_COMPOUND_UNION; } +static inline bool is_type_valid(const type_t *type) +{ + return type->kind != TYPE_ERROR; +} + #endif