X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=type.h;h=c65448eebb0e3cb9c5e085a60090503bfadff5a9;hb=e721e1438d457e0685d9327dbd9bf59fc7d7255e;hp=fc0e18317cbff4026f53bbf50078b63baac11f7a;hpb=4599bf70900fbc4c5bf49c326ddb90bb48f346ec;p=cparser diff --git a/type.h b/type.h index fc0e183..c65448e 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 @@ -32,8 +32,9 @@ 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_INVALID = 0, - ATOMIC_TYPE_VOID, + 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, @@ -48,9 +49,8 @@ typedef enum atomic_type_kind_t { ATOMIC_TYPE_FLOAT, ATOMIC_TYPE_DOUBLE, ATOMIC_TYPE_LONG_DOUBLE, - ATOMIC_TYPE_BOOL, - ATOMIC_TYPE_LAST = ATOMIC_TYPE_BOOL + ATOMIC_TYPE_LAST = ATOMIC_TYPE_LONG_DOUBLE } atomic_type_kind_t; typedef enum atomic_type_flag_t { @@ -59,7 +59,6 @@ typedef enum atomic_type_flag_t { 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 enum type_qualifier_t { @@ -78,8 +77,6 @@ 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; @@ -93,9 +90,21 @@ typedef struct bitfield_type_t bitfield_type_t; typedef struct typeof_type_t typeof_type_t; typedef union type_t type_t; -void init_types(void); +/** + * 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 type. + * + * @param type The type. + */ void print_type(const type_t *type); /** @@ -105,68 +114,115 @@ void print_type(const type_t *type); void print_type_ext(const type_t *type, const symbol_t *symbol, const scope_t *parameters); -void print_type_qualifiers(type_qualifiers_t qualifiers); +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); -void print_compound_definition(const compound_t *compound); /** - * set output stream for the type printer + * Print the compound part of a compound type. */ -void type_set_output(FILE *out); +void print_compound_definition(const compound_t *compound); void inc_type_visited(void); /** - * returns true if type contains integer numbers + * 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); /** - * return true if type contains signed numbers + * 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 type contains floating point numbers + * 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 type contains complex numbers + * 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); -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. + * 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. */ -bool type_valid(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) + * 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) + * 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 (i.e. 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); @@ -186,14 +242,15 @@ 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 */ unsigned get_atomic_type_flags(atomic_type_kind_t kind); -atomic_type_kind_t get_intptr_kind(void); -atomic_type_kind_t get_uintptr_kind(void); - /** * Find the atomic type kind representing a given size (signed). */ @@ -206,4 +263,16 @@ 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