X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=entity_t.h;h=11481fc80c8abaab01f49d09c40b1ac866c64525;hb=a7d409e6727f11d1697f4997f79fc53c6b07dc14;hp=e6ad01f81077c3560e8831ffc8f1c25145725374;hpb=bcb7a70c543ef174f2d351f48dbf693c9f8edcab;p=cparser diff --git a/entity_t.h b/entity_t.h index e6ad01f..11481fc 100644 --- a/entity_t.h +++ b/entity_t.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 @@ -20,18 +20,21 @@ #ifndef ENTITY_T_H #define ENTITY_T_H -#include "lexer.h" #include "symbol.h" #include "entity.h" +#include "attribute.h" #include +#include "builtins.h" +#include "jump_target.h" +#include "token_t.h" typedef enum { - ENTITY_INVALID, - ENTITY_VARIABLE, + ENTITY_VARIABLE = 1, ENTITY_COMPOUND_MEMBER, ENTITY_PARAMETER, ENTITY_FUNCTION, ENTITY_TYPEDEF, + ENTITY_CLASS, ENTITY_STRUCT, ENTITY_UNION, ENTITY_ENUM, @@ -43,11 +46,8 @@ typedef enum { typedef unsigned char entity_kind_t; typedef enum namespace_tag_t { - NAMESPACE_INVALID, - NAMESPACE_NORMAL, - NAMESPACE_STRUCT, - NAMESPACE_UNION, - NAMESPACE_ENUM, + NAMESPACE_NORMAL = 1, + NAMESPACE_TAG, NAMESPACE_LABEL } namespace_tag_t; typedef unsigned char entity_namespace_t; @@ -77,32 +77,40 @@ typedef enum decl_modifier_t { DM_NOINLINE = 1 << 10, DM_RESTRICT = 1 << 11, DM_NOALIAS = 1 << 12, - DM_PACKED = 1 << 13, - DM_TRANSPARENT_UNION = 1 << 14, - DM_CONST = 1 << 15, - DM_PURE = 1 << 16, - DM_CONSTRUCTOR = 1 << 17, - DM_DESTRUCTOR = 1 << 18, - DM_UNUSED = 1 << 19, - DM_USED = 1 << 20, - DM_CDECL = 1 << 21, - DM_FASTCALL = 1 << 22, - DM_STDCALL = 1 << 23, - DM_THISCALL = 1 << 24, - DM_DEPRECATED = 1 << 25, - DM_RETURNS_TWICE = 1 << 26, + DM_TRANSPARENT_UNION = 1 << 13, + DM_CONST = 1 << 14, + DM_PURE = 1 << 15, + DM_CONSTRUCTOR = 1 << 16, + DM_DESTRUCTOR = 1 << 17, + DM_UNUSED = 1 << 18, + DM_USED = 1 << 19, + DM_CDECL = 1 << 20, + DM_FASTCALL = 1 << 21, + DM_STDCALL = 1 << 22, + DM_THISCALL = 1 << 23, + DM_DEPRECATED = 1 << 24, + DM_RETURNS_TWICE = 1 << 25, + DM_MALLOC = 1 << 26, + DM_WEAK = 1 << 27, + DM_LEAF = 1 << 28, } decl_modifier_t; -typedef unsigned decl_modifiers_t; +typedef enum elf_visibility_tag_t { + ELF_VISIBILITY_DEFAULT, + ELF_VISIBILITY_HIDDEN, + ELF_VISIBILITY_INTERNAL, + ELF_VISIBILITY_PROTECTED, + ELF_VISIBILITY_ERROR +} elf_visibility_tag_t; /** * A scope containing entities. */ struct scope_t { entity_t *entities; - entity_t *last_entity; - unsigned depth; /**< while parsing, the depth of this scope in the - scope stack. */ + entity_t *last_entity; /**< pointer to last entity (so appending is fast) */ + unsigned depth; /**< while parsing, the depth of this scope in the + scope stack. */ }; /** @@ -113,9 +121,10 @@ struct entity_base_t { entity_kind_t kind; entity_namespace_t namespc; symbol_t *symbol; - source_position_t source_position; + position_t pos; scope_t *parent_scope; /**< The scope where this entity is contained in */ + entity_t *parent_entity; /** next declaration in a scope */ entity_t *next; @@ -128,7 +137,14 @@ struct compound_t { entity_t *alias; /* used for name mangling of anonymous types */ scope_t members; decl_modifiers_t modifiers; - bool complete : 1; + attribute_t *attributes; + bool layouted : 1; + bool complete : 1; + bool transparent_union : 1; + bool packed : 1; + + il_alignment_t alignment; + il_size_t size; /* ast2firm info */ ir_type *irtype; @@ -150,17 +166,19 @@ struct enum_value_t { type_t *enum_type; /* ast2firm info */ - tarval *tv; + ir_tarval *tv; }; struct label_t { entity_base_t base; bool used : 1; bool address_taken : 1; + unsigned n_users; /* Reference counter to mature the label block as early as possible. */ statement_t *statement; /* ast2firm info */ - ir_node *block; + jump_target target; + ir_node *indirect_block; }; struct namespace_t { @@ -172,18 +190,20 @@ struct typedef_t { entity_base_t base; decl_modifiers_t modifiers; type_t *type; + il_alignment_t alignment; bool builtin : 1; }; struct declaration_t { entity_base_t base; + type_t *type; storage_class_t declared_storage_class; storage_class_t storage_class; decl_modifiers_t modifiers; - const char *deprecated_string; /**< MS deprecated string if any. */ - bool used : 1; /**< Set if the declaration is used. */ - bool implicit : 1; /**< Set for implicit (not found in source code) declarations. */ - type_t *type; + il_alignment_t alignment; + attribute_t *attributes; + bool used : 1; /**< Set if the declaration is used. */ + bool implicit : 1; /**< Set for implicit (not found in source code) declarations. */ /* ast2firm info */ unsigned char kind; @@ -191,121 +211,59 @@ struct declaration_t { struct compound_member_t { declaration_t base; - unsigned char alignment; - bool read : 1; - bool address_taken : 1; /**< Set if the address of this declaration was taken. */ + il_size_t offset; /**< the offset of this member in the compound */ + unsigned char bit_offset; /**< extra bit offset for bitfield members */ + unsigned char bit_size; /**< bitsize for bitfield members */ + bool bitfield : 1; /**< member is (part of) a bitfield */ /* ast2firm info */ ir_entity *entity; - il_size_t offset; /**< The offset of this member inside a compound. */ }; struct variable_t { - declaration_t base; - bool thread_local : 1; /**< GCC __thread */ - bool address_taken : 1; /**< Set if the address of this declaration was taken. */ - bool read : 1; - unsigned char alignment; - symbol_t *get_property_sym; /**< MS get property. */ - symbol_t *put_property_sym; /**< MS put property. */ + declaration_t base; + bool thread_local : 1; - initializer_t *initializer; + bool address_taken : 1; /**< Set if the address of this declaration was taken. */ + bool read : 1; + unsigned elf_visibility : 2; - /* ast2firm info */ - union { - unsigned int value_number; - ir_entity *entity; - ir_node *vla_base; - } v; -}; - -struct parameter_t { - declaration_t base; - bool address_taken : 1; - bool read : 1; + initializer_t *initializer; /* ast2firm info */ union { unsigned int value_number; ir_entity *entity; + ir_node *vla_base; } v; }; -/** - * GNU builtin or MS intrinsic functions. - */ -typedef enum builtin_kind_t { - bk_none = 0, /**< no builtin */ - bk_gnu_builtin_alloca, /**< GNU __builtin_alloca */ - bk_gnu_builtin_huge_val, /**< GNU __builtin_huge_val */ - bk_gnu_builtin_inf, /**< GNU __builtin_inf */ - bk_gnu_builtin_inff, /**< GNU __builtin_inff */ - bk_gnu_builtin_infl, /**< GNU __builtin_infl */ - bk_gnu_builtin_nan, /**< GNU __builtin_nan */ - bk_gnu_builtin_nanf, /**< GNU __builtin_nanf */ - bk_gnu_builtin_nanl, /**< GNU __builtin_nanl */ - bk_gnu_builtin_va_end, /**< GNU __builtin_va_end */ - bk_gnu_builtin_expect, /**< GNU __builtin_expect */ - bk_gnu_builtin_return_address, /**< GNU __builtin_return_address */ - bk_gnu_builtin_frame_address, /**< GNU __builtin_frame_address */ - bk_gnu_builtin_ffs, /**< GNU __builtin_ffs */ - bk_gnu_builtin_clz, /**< GNU __builtin_clz */ - bk_gnu_builtin_ctz, /**< GNU __builtin_ctz */ - bk_gnu_builtin_popcount, /**< GNU __builtin_popcount */ - bk_gnu_builtin_parity, /**< GNU __builtin_parity */ - bk_gnu_builtin_prefetch, /**< GNU __builtin_prefetch */ - bk_gnu_builtin_trap, /**< GNU __builtin_trap */ - - bk_ms_rotl, /**< MS _rotl */ - bk_ms_rotr, /**< MS _rotr */ - bk_ms_rotl64, /**< MS _rotl64 */ - bk_ms_rotr64, /**< MS _rotr64 */ - bk_ms_byteswap_ushort, /**< MS _byteswap_ushort */ - bk_ms_byteswap_ulong, /**< MS _byteswap_ulong */ - bk_ms_byteswap_uint64, /**< MS _byteswap_uint64 */ - - bk_ms__debugbreak, /**< MS __debugbreak */ - bk_ms_ReturnAddress, /**< MS _ReturnAddress */ - bk_ms_AddressOfReturnAddress, /**< MS _AddressOfReturnAddress */ - bk_ms__popcount, /**< MS __popcount */ - bk_ms_enable, /**< MS _enable */ - bk_ms_disable, /**< MS _disable */ - bk_ms__inbyte, /**< MS __inbyte */ - bk_ms__inword, /**< MS __inword */ - bk_ms__indword, /**< MS __indword */ - bk_ms__outbyte, /**< MS __outbyte */ - bk_ms__outword, /**< MS __outword */ - bk_ms__outdword, /**< MS __outdword */ - bk_ms__ud2, /**< MS __ud2 */ - bk_ms_BitScanForward, /**< MS _BitScanForward */ - bk_ms_BitScanReverse, /**< MS _BitScanReverse */ - bk_ms_InterlockedExchange, /**< MS _InterlockedExchange */ - bk_ms_InterlockedExchange64, /**< MS _InterlockedExchange64 */ - bk_ms__readeflags, /**< MS __readflags */ - bk_ms__writeeflags, /**< MS __writeflags */ -} builtin_kind_t; - struct function_t { declaration_t base; - bool is_inline : 1; - bool need_closure : 1; /**< Inner function needs closure. */ - bool goto_to_outer : 1; /**< Inner function has goto to outer function. */ + bool is_inline : 1; + + bool need_closure : 1; /**< Inner function needs closure. */ + bool goto_to_outer : 1; /**< Inner function has goto to outer function. */ + unsigned elf_visibility : 2; builtin_kind_t btk; scope_t parameters; - statement_t *statement; + statement_t *body; + symbol_t *actual_name; /**< gnu extension __REDIRECT */ /* ast2firm info */ - ir_entity *entity; - ir_node *static_link; /**< if need_closure is set, the node representing - the static link. */ + union { + ir_builtin_kind firm_builtin_kind; + unsigned chk_arg_pos; + } b; + ir_entity *irentity; + ir_node *static_link; /**< if need_closure is set, the node + representing the static link. */ }; union entity_t { entity_kind_t kind; entity_base_t base; - compound_t structe; - compound_t unione; compound_t compound; enum_t enume; enum_value_t enum_value; @@ -314,19 +272,32 @@ union entity_t { typedef_t typedefe; declaration_t declaration; variable_t variable; - parameter_t parameter; function_t function; compound_member_t compound_member; }; +#define DECLARATION_KIND_CASES \ + ENTITY_FUNCTION: \ + case ENTITY_VARIABLE: \ + case ENTITY_PARAMETER: \ + case ENTITY_COMPOUND_MEMBER + static inline bool is_declaration(const entity_t *entity) { - return entity->kind == ENTITY_FUNCTION || entity->kind == ENTITY_VARIABLE - || entity->kind == ENTITY_PARAMETER - || entity->kind == ENTITY_COMPOUND_MEMBER; + switch (entity->kind) { + case DECLARATION_KIND_CASES: + return true; + default: + return false; + } } - const char *get_entity_kind_name(entity_kind_t kind); +entity_t *allocate_entity_zero(entity_kind_t, entity_namespace_t, symbol_t*, position_t const*); + +elf_visibility_tag_t get_elf_visibility_from_string(const char *string); + +entity_t *skip_unnamed_bitfields(entity_t*); + #endif