X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=type.h;h=2ea193e0432e25ccc2aa318d9be206b896d09a39;hb=89bf0f3486f20eaaf7233bd473ab994d9ceb569d;hp=bbebc338bdbeec4c7ed641c27e8af9b9e9d5e15f;hpb=f4ba96ac16e62370ded3eb1ee80f4ee39cdddbaa;p=cparser diff --git a/type.h b/type.h index bbebc33..2ea193e 100644 --- a/type.h +++ b/type.h @@ -1,6 +1,6 @@ /* * This file is part of cparser. - * Copyright (C) 2007-2008 Matthias Braun + * Copyright (C) 2007-2009 Matthias Braun * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -25,11 +25,16 @@ #include "ast.h" #include "symbol.h" +/** Type used to express sizes. */ +typedef unsigned long il_size_t; +typedef unsigned char il_alignment_t; + /* note that the constant values represent the rank of the types as defined * in § 6.3.1 */ -typedef enum { +typedef enum atomic_type_kind_t { ATOMIC_TYPE_INVALID = 0, ATOMIC_TYPE_VOID, + ATOMIC_TYPE_WCHAR_T, ATOMIC_TYPE_CHAR, ATOMIC_TYPE_SCHAR, ATOMIC_TYPE_UCHAR, @@ -49,7 +54,7 @@ typedef enum { ATOMIC_TYPE_LAST = ATOMIC_TYPE_BOOL } atomic_type_kind_t; -typedef enum { +typedef enum atomic_type_flag_t { ATOMIC_TYPE_FLAG_NONE = 0, ATOMIC_TYPE_FLAG_SIGNED = 1 << 0, ATOMIC_TYPE_FLAG_INTEGER = 1 << 1, @@ -58,11 +63,26 @@ typedef enum { ATOMIC_TYPE_FLAG_COMPLEX = 1 << 4, } atomic_type_flag_t; +typedef enum type_qualifier_t { + TYPE_QUALIFIER_NONE = 0, + TYPE_QUALIFIER_CONST = 1 << 0, + TYPE_QUALIFIER_RESTRICT = 1 << 1, + TYPE_QUALIFIER_VOLATILE = 1 << 2, + /* microsoft extended qualifiers */ + TYPE_QUALIFIER_W64 = 1 << 3, + TYPE_QUALIFIER_PTR32 = 1 << 4, + TYPE_QUALIFIER_PTR64 = 1 << 5, + TYPE_QUALIFIER_SPTR = 1 << 6, + TYPE_QUALIFIER_UPTR = 1 << 7, +} type_qualifier_t; +typedef unsigned short type_qualifiers_t; + typedef struct type_base_t type_base_t; typedef struct atomic_type_t atomic_type_t; typedef struct complex_type_t complex_type_t; typedef struct imaginary_type_t imaginary_type_t; typedef struct pointer_type_t pointer_type_t; +typedef struct reference_type_t reference_type_t; typedef struct function_parameter_t function_parameter_t; typedef struct function_type_t function_type_t; typedef struct compound_type_t compound_type_t; @@ -84,17 +104,18 @@ void print_type(const type_t *type); * if symbol is NULL */ void print_type_ext(const type_t *type, const symbol_t *symbol, - const scope_t *scope); + const scope_t *parameters); -void print_type_qualifiers(unsigned qualifiers); +typedef enum QualifierSeparators { + QUAL_SEP_NONE = 0, + QUAL_SEP_START = 1U << 0, + QUAL_SEP_END = 1U << 1 +} QualifierSeparators; -void print_enum_definition(const declaration_t *declaration); -void print_compound_definition(const declaration_t *declaration); +void print_type_qualifiers(type_qualifiers_t qualifiers, QualifierSeparators); -/** - * set output stream for the type printer - */ -void type_set_output(FILE *out); +void print_enum_definition(const enum_t *enume); +void print_compound_definition(const compound_t *compound); void inc_type_visited(void); @@ -103,6 +124,11 @@ void inc_type_visited(void); */ bool is_type_integer(const type_t *type); +/** + * Returns true if the given type is an enum type. + */ +bool is_type_enum(const type_t *type); + /** * return true if type contains signed numbers */ @@ -113,6 +139,13 @@ bool is_type_signed(const type_t *type); */ bool is_type_float(const type_t *type); +/** + * returns true if type contains complex numbers + */ +bool is_type_complex(const type_t *type); + +bool is_type_real(const type_t *type); + /** * returns true if the type is valid. A type is valid if it contains no * unresolved references anymore and is not of TYPE_INVALID. @@ -120,24 +153,36 @@ bool is_type_float(const type_t *type); bool type_valid(const type_t *type); /** - * returns true if the type is an arithmetic type (6.2.18) + * returns true if the type is an arithmetic type (§6.2.5 clause 18) */ bool is_type_arithmetic(const type_t *type); /** - * returns true if the type is a scalar type (6.2.21) + * returns true if the type is a scalar type (§6.2.5 clause 21) */ bool is_type_scalar(const type_t *type); bool is_type_incomplete(const type_t *type); -bool types_compatible(const type_t *type1, const type_t *type2); +bool is_type_object(const type_t *type); -bool pointers_compatible(const type_t *type1, const type_t *type2); +/** + * returns true if teh type is the builtin va_list type. + */ +bool is_builtin_va_list(type_t *type); + +bool types_compatible(const type_t *type1, const type_t *type2); type_t *get_unqualified_type(type_t *type); +type_t *get_qualified_type(type_t*, type_qualifiers_t); type_t *skip_typeref(type_t *type); +/** + * Return the type qualifier set of a type. If skip_array_type + * is true, skip all array types. + */ +type_qualifiers_t get_type_qualifier(const type_t *type, bool skip_array_type); + /** * returns size of an atomic type kind in bytes */ @@ -148,6 +193,10 @@ unsigned get_atomic_type_size(atomic_type_kind_t kind); */ unsigned get_atomic_type_alignment(atomic_type_kind_t kind); +unsigned get_type_alignment(type_t *type); +unsigned get_type_size(type_t *type); +decl_modifiers_t get_type_modifiers(const type_t *type); + /** * returns flags of an atomic type kind */ @@ -166,4 +215,18 @@ atomic_type_kind_t find_signed_int_atomic_type_kind_for_size(unsigned size); */ atomic_type_kind_t find_unsigned_int_atomic_type_kind_for_size(unsigned size); +const char *get_atomic_kind_name(atomic_type_kind_t kind); + +/** + * Finish the construction of a struct type by calculating its size, offsets, + * alignment. + */ +void layout_struct_type(compound_type_t *type); + +/** + * Finish the construction of an union type by calculating + * its size and alignment. + */ +void layout_union_type(compound_type_t *type); + #endif