X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=entity_t.h;h=c9670f0d541cd1118719244951a4c9f6abac9731;hb=87ac7703c3a2e92a17903a459886ec587f867b55;hp=821fd18fa3b7afddfa02bcbf81099547ebcd45f1;hpb=e97bf80ad2ba7f01d4a2b51d243d6273ae2d65a1;p=cparser diff --git a/entity_t.h b/entity_t.h index 821fd18..c9670f0 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 @@ -20,33 +20,38 @@ #ifndef ENTITY_T_H #define ENTITY_T_H +#include "lexer.h" +#include "symbol.h" #include "entity.h" +#include "attribute.h" +#include +#include "builtins.h" typedef enum { ENTITY_INVALID, ENTITY_VARIABLE, ENTITY_COMPOUND_MEMBER, + ENTITY_PARAMETER, ENTITY_FUNCTION, ENTITY_TYPEDEF, + ENTITY_CLASS, ENTITY_STRUCT, ENTITY_UNION, ENTITY_ENUM, ENTITY_ENUM_VALUE, ENTITY_LABEL, - ENTITY_LOCAL_LABEL + ENTITY_LOCAL_LABEL, + ENTITY_NAMESPACE } entity_kind_tag_t; typedef unsigned char entity_kind_t; typedef enum namespace_tag_t { NAMESPACE_INVALID, NAMESPACE_NORMAL, - NAMESPACE_STRUCT, - NAMESPACE_UNION, - NAMESPACE_ENUM, - NAMESPACE_LABEL, - NAMESPACE_LOCAL_LABEL + NAMESPACE_TAG, + NAMESPACE_LABEL } namespace_tag_t; -typedef unsigned char namespace_t; +typedef unsigned char entity_namespace_t; typedef enum storage_class_tag_t { STORAGE_CLASS_NONE, @@ -55,13 +60,11 @@ typedef enum storage_class_tag_t { STORAGE_CLASS_TYPEDEF, STORAGE_CLASS_AUTO, STORAGE_CLASS_REGISTER, - STORAGE_CLASS_THREAD, - STORAGE_CLASS_THREAD_EXTERN, - STORAGE_CLASS_THREAD_STATIC, } storage_class_tag_t; typedef unsigned char storage_class_t; typedef enum decl_modifier_t { + DM_NONE = 0, DM_DLLIMPORT = 1 << 0, DM_DLLEXPORT = 1 << 1, DM_THREAD = 1 << 2, @@ -75,22 +78,32 @@ 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_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, } decl_modifier_t; -typedef unsigned decl_modifiers_t; +/** + * A scope containing entities. + */ +struct scope_t { + entity_t *entities; + 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. */ +}; /** * a named entity is something which can be referenced by its name @@ -98,10 +111,12 @@ typedef unsigned decl_modifiers_t; */ struct entity_base_t { entity_kind_t kind; - namespace_t namespc; + entity_namespace_t namespc; symbol_t *symbol; source_position_t source_position; - scope_t *parent_scope; /**< The parent scope where this declaration lives. */ + scope_t *parent_scope; /**< The scope where this entity + is contained in */ + entity_t *parent_entity; /** next declaration in a scope */ entity_t *next; @@ -111,9 +126,16 @@ struct entity_base_t { struct compound_t { entity_base_t base; + entity_t *alias; /* used for name mangling of anonymous types */ scope_t members; decl_modifiers_t modifiers; - bool complete : 1; + 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; @@ -122,6 +144,7 @@ struct compound_t { struct enum_t { entity_base_t base; + entity_t *alias; /* used for name mangling of anonymous types */ bool complete : 1; /* ast2firm info */ @@ -134,7 +157,7 @@ struct enum_value_t { type_t *enum_type; /* ast2firm info */ - tarval *tv; + ir_tarval *tv; }; struct label_t { @@ -147,22 +170,29 @@ struct label_t { ir_node *block; }; +struct namespace_t { + entity_base_t base; + scope_t members; +}; + 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; @@ -170,22 +200,27 @@ struct declaration_t { struct compound_member_t { declaration_t base; - bool read : 1; + il_size_t offset; /**< the offset of this member in the compound */ + unsigned char bit_offset; /**< extra bit offset for bitfield members */ + bool read : 1; + bool address_taken : 1; /**< Set if the address of this + declaration was taken. */ /* ast2firm info */ ir_entity *entity; - il_size_t offset; /**< The offset of this member inside a compound. */ }; struct variable_t { - declaration_t base; - bool address_taken : 1; /**< Set if the address of this declaration was taken. */ - bool read : 1; - unsigned char alignment; /**< Alignment of the declaration, 0 for default. */ - symbol_t *get_property_sym; /**< MS get property. */ - symbol_t *put_property_sym; /**< MS put property. */ + declaration_t base; + bool thread_local : 1; /**< GCC __thread */ + bool restricta : 1; + bool deprecated : 1; + bool noalias : 1; + + bool address_taken : 1; /**< Set if the address of this declaration was taken. */ + bool read : 1; - initializer_t *initializer; + initializer_t *initializer; /* ast2firm info */ union { @@ -195,17 +230,33 @@ struct variable_t { } v; }; +struct parameter_t { + declaration_t base; + bool address_taken : 1; + bool read : 1; + + /* ast2firm info */ + union { + unsigned int value_number; + ir_entity *entity; + } v; +}; + 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. */ + builtin_kind_t btk; scope_t parameters; statement_t *statement; /* ast2firm info */ - ir_entity *entity; + ir_entity *irentity; + ir_node *static_link; /**< if need_closure is set, the node + representing the static link. */ }; union entity_t { @@ -217,17 +268,33 @@ union entity_t { enum_t enume; enum_value_t enum_value; label_t label; + namespace_t namespacee; typedef_t typedefe; declaration_t declaration; variable_t variable; + parameter_t parameter; function_t function; compound_member_t compound_member; }; +#define DECLARATION_KIND_CASES \ + case 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_COMPOUND_MEMBER; + switch(entity->kind) { + 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 kind); + #endif