X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=type.h;h=065966332ff55793ffa1bc9fab070ebcb08942fe;hb=211aaabd26e2f4eab27d054b1984c66904fb45c2;hp=80f03dc94e40a5125522adf2d3b70b372a340097;hpb=9749dae0f4dbf98e4fca126b97919fd8f33d9652;p=cparser diff --git a/type.h b/type.h index 80f03dc..0659663 100644 --- a/type.h +++ b/type.h @@ -1,34 +1,281 @@ +/* + * This file is part of cparser. + * 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 + * 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_H #define TYPE_H #include +#include +#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 atomic_type_kind_t { + ATOMIC_TYPE_VOID = 1, + ATOMIC_TYPE_BOOL, + ATOMIC_TYPE_WCHAR_T, /* only used in C++, in C code wchar_t is a pp-macro */ + 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_LAST = ATOMIC_TYPE_LONG_DOUBLE +} atomic_type_kind_t; + +typedef enum atomic_type_flag_t { + ATOMIC_TYPE_FLAG_NONE = 0, + ATOMIC_TYPE_FLAG_SIGNED = 1 << 0, + ATOMIC_TYPE_FLAG_INTEGER = 1 << 1, + ATOMIC_TYPE_FLAG_FLOAT = 1 << 2, + ATOMIC_TYPE_FLAG_ARITHMETIC = 1 << 3, + ATOMIC_TYPE_FLAG_COMPLEX = 1 << 4, +} atomic_type_flag_t; -typedef struct type_t type_t; -typedef struct atomic_type_t atomic_type_t; -typedef struct pointer_type_t pointer_type_t; -typedef struct method_parameter_type_t method_parameter_type_t; -typedef struct method_type_t method_type_t; -typedef struct compound_type_t compound_type_t; -typedef struct enum_type_t enum_type_t; -typedef struct builtin_type_t builtin_type_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; -void init_types(void); +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; +typedef struct enum_type_t enum_type_t; +typedef struct builtin_type_t builtin_type_t; +typedef struct array_type_t array_type_t; +typedef struct typedef_type_t typedef_type_t; +typedef struct bitfield_type_t bitfield_type_t; +typedef struct typeof_type_t typeof_type_t; +typedef union type_t type_t; + +/** + * Initializes the type system. Attempts to set some defaults on the atomic + * types based on a given machine size. + * These type properties are not final but you should adapt them to your system + * as your architecture and operating systems application binary interface (ABI) + * requires. + */ +void init_types(unsigned machine_size); void exit_types(void); /** - * prints a human readable form of @p type to a stream + * Prints a type. + * + * @param type The type. + */ +void print_type(const type_t *type); + +/** + * prints a human readable form of @p type. prints an abstract typename + * if symbol is NULL + */ +void print_type_ext(const type_t *type, const symbol_t *symbol, + const scope_t *parameters); + +typedef enum QualifierSeparators { + QUAL_SEP_NONE = 0, + QUAL_SEP_START = 1U << 0, + QUAL_SEP_END = 1U << 1 +} QualifierSeparators; + +void print_type_qualifiers(type_qualifiers_t qualifiers, QualifierSeparators); + +/** + * Prints an enum definition. + * + * @param declaration The enum's type declaration. + */ +void print_enum_definition(const enum_t *enume); + +/** + * Print the compound part of a compound type. + */ +void print_compound_definition(const compound_t *compound); + +void inc_type_visited(void); + +/** + * Returns true if the given type is an integer type. + * + * @param type The type to check. + * @return True if type is an integer type. + */ +bool is_type_integer(const type_t *type); + +/** + * Returns true if the given type is an enum type. + * + * @param type The type to check. + * @return True if type is an enum type. + */ +bool is_type_enum(const type_t *type); + +/** + * Returns true if the given type is a signed type. + * + * @param type The type to check. + * @return True if type is a signed type. + */ +bool is_type_signed(const type_t *type); + +/** + * Returns true if the given type is a floating point type. + * + * @param type The type to check. + * @return True if type is a floating point type. + */ +bool is_type_float(const type_t *type); + +/** + * Returns true if the given type is a complex type. + * + * @param type The type to check. + * @return True if type is a complex type. + */ +bool is_type_complex(const type_t *type); + +/** + * Returns true if the given type is an integer or float type. + * + * @param type The type to check. + * @return True if type is an integer or float type. */ -void print_type(FILE* out, const type_t *type); +bool is_type_real(const type_t *type); + +/** + * Returns true if the type is an arithmetic type (§6.2.5 clause 18) + * + * @param type The type to check. + * @return True if type represents an arithmetic type. + */ +bool is_type_arithmetic(const type_t *type); + +/** + * Returns true if the type is a scalar type (§6.2.5 clause 21) + * + * @param type The type to check. + * @return True if type represents a scalar type. + */ +bool is_type_scalar(const type_t *type); + +/** + * Check if a given type is incomplete. + * + * @param type The type to check. + * @return True if the given type is incomplete (ie. just forward). + */ +bool is_type_incomplete(const type_t *type); + +bool is_type_object(const type_t *type); + +/** + * Check if two types are compatible. + */ +bool types_compatible(const type_t *type1, const type_t *type2); + +/** + * Returns the unqualified type of a given type. + * + * @param type The type. + * @returns The unqualified type. + */ +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 + */ +unsigned get_atomic_type_size(atomic_type_kind_t kind); + +/** + * returns alignment of an atomic type kind in bytes + */ +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 + */ +unsigned get_atomic_type_flags(atomic_type_kind_t kind); + +/** + * Find the atomic type kind representing a given size (signed). + */ +atomic_type_kind_t find_signed_int_atomic_type_kind_for_size(unsigned size); + +/** + * Find the atomic type kind representing a given size (unsigned). + */ +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); /** - * returns 1 if type contains integer numbers + * Finish the construction of a struct type by calculating its size, offsets, + * alignment. */ -int is_type_int(const type_t *type); +void layout_struct_type(compound_type_t *type); /** - * returns 1 if the type is valid. A type is valid if it contains no unresolved - * references anymore and is not of TYPE_INVALID. + * Finish the construction of an union type by calculating + * its size and alignment. */ -int type_valid(const type_t *type); +void layout_union_type(compound_type_t *type); #endif