main: rework preprocessor invocation
[cparser] / entity_t.h
index d609335..e1a26ed 100644 (file)
 #ifndef ENTITY_T_H
 #define ENTITY_T_H
 
-#include "lexer.h"
 #include "symbol.h"
 #include "entity.h"
 #include "attribute.h"
 #include <libfirm/firm_types.h>
+#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,
@@ -45,8 +46,7 @@ typedef enum {
 typedef unsigned char entity_kind_t;
 
 typedef enum namespace_tag_t {
-       NAMESPACE_INVALID,
-       NAMESPACE_NORMAL,
+       NAMESPACE_NORMAL = 1,
        NAMESPACE_TAG,
        NAMESPACE_LABEL
 } namespace_tag_t;
@@ -91,8 +91,18 @@ typedef enum decl_modifier_t {
        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 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.
  */
@@ -127,6 +137,7 @@ struct compound_t {
        entity_t         *alias; /* used for name mangling of anonymous types */
        scope_t           members;
        decl_modifiers_t  modifiers;
+       attribute_t      *attributes;
        bool              layouted          : 1;
        bool              complete          : 1;
        bool              transparent_union : 1;
@@ -155,17 +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 {
@@ -198,10 +211,10 @@ struct declaration_t {
 
 struct compound_member_t {
        declaration_t  base;
-       bool           read          : 1;
-       bool           address_taken : 1;  /**< Set if the address of this declaration was taken. */
-       unsigned short offset;     /**< the offset of this member in the compound */
+       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;
@@ -209,13 +222,11 @@ struct compound_member_t {
 
 struct variable_t {
        declaration_t     base;
-       bool              thread_local  : 1;  /**< GCC __thread */
-       bool              restricta     : 1;
-       bool              deprecated    : 1;
-       bool              noalias       : 1;
+       bool              thread_local   : 1;
 
-       bool              address_taken : 1;  /**< Set if the address of this declaration was taken. */
-       bool              read          : 1;
+       bool              address_taken  : 1;  /**< Set if the address of this declaration was taken. */
+       bool              read           : 1;
+       unsigned          elf_visibility : 2;
 
        initializer_t    *initializer;
 
@@ -227,94 +238,32 @@ 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;
-};
-
-/**
- * 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           is_inline      : 1;
 
-       bool           need_closure  : 1;  /**< Inner function needs closure. */
-       bool           goto_to_outer : 1;  /**< Inner function has goto to outer function. */
+       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     *irentity;
-       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;
@@ -323,21 +272,20 @@ 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        \
-       case ENTITY_FUNCTION:             \
-       case ENTITY_VARIABLE:             \
-       case ENTITY_PARAMETER:            \
-       case ENTITY_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)
 {
        switch(entity->kind) {
-       DECLARATION_KIND_CASES
+       case DECLARATION_KIND_CASES:
                return true;
        default:
                return false;
@@ -346,4 +294,10 @@ static inline bool is_declaration(const entity_t *entity)
 
 const char *get_entity_kind_name(entity_kind_t kind);
 
+entity_t *allocate_entity_zero(entity_kind_t, entity_namespace_t, symbol_t*, source_position_t const*);
+
+elf_visibility_tag_t get_elf_visibility_from_string(const char *string);
+
+entity_t *skip_unnamed_bitfields(entity_t*);
+
 #endif