X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=type.h;h=065966332ff55793ffa1bc9fab070ebcb08942fe;hb=211aaabd26e2f4eab27d054b1984c66904fb45c2;hp=3304c1e469ee18a4da6a6f4ae08c838ec5c4a0af;hpb=ecbd5c5068368c0c9ec2c1ced2628c15e4a4fd48;p=cparser diff --git a/type.h b/type.h index 3304c1e..0659663 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 { @@ -81,6 +81,7 @@ 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; @@ -92,9 +93,21 @@ 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); /** @@ -102,70 +115,117 @@ 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); + +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); +void print_type_qualifiers(type_qualifiers_t qualifiers, QualifierSeparators); -void print_enum_definition(const declaration_t *declaration); -void print_compound_definition(const declaration_t *declaration); +/** + * Prints an enum definition. + * + * @param declaration The enum's type declaration. + */ +void print_enum_definition(const enum_t *enume); /** - * 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 (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); @@ -185,14 +245,15 @@ 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). */ @@ -203,4 +264,18 @@ 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