X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=type.h;h=065966332ff55793ffa1bc9fab070ebcb08942fe;hb=211aaabd26e2f4eab27d054b1984c66904fb45c2;hp=bede7c2ebf2f5e7f91018047eaa262d1efcffd6d;hpb=6d7d61de445629e1590d3a2ba2990ef7a651368a;p=cparser diff --git a/type.h b/type.h index bede7c2..0659663 100644 --- a/type.h +++ b/type.h @@ -32,9 +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_WCHAR_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, @@ -49,9 +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 { @@ -94,9 +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); /** @@ -106,73 +117,115 @@ 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 (ie. just forward). + */ bool is_type_incomplete(const type_t *type); bool is_type_object(const type_t *type); /** - * returns true if teh type is the builtin va_list type. + * Check if two types are compatible. */ -bool is_builtin_va_list(type_t *type); - 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); @@ -201,9 +254,6 @@ decl_modifiers_t get_type_modifiers(const type_t *type); */ 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). */ @@ -216,7 +266,16 @@ 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