add mode attribute parsing
[cparser] / ast_t.h
diff --git a/ast_t.h b/ast_t.h
index 0e56928..55f443d 100644 (file)
--- a/ast_t.h
+++ b/ast_t.h
@@ -1,3 +1,22 @@
+/*
+ * This file is part of cparser.
+ * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
 #ifndef AST_T_H
 #define AST_T_H
 
 #include "type.h"
 #include "adt/obst.h"
 
+/** The AST obstack contains all data that must stay in the AST. */
 extern struct obstack ast_obstack;
 
+/**
+ * Expression kinds.
+ */
 typedef enum {
        EXPR_UNKNOWN = 0,
        EXPR_INVALID,
        EXPR_REFERENCE,
        EXPR_CONST,
+       EXPR_CHARACTER_CONSTANT,
+       EXPR_WIDE_CHARACTER_CONSTANT,
        EXPR_STRING_LITERAL,
        EXPR_WIDE_STRING_LITERAL,
+       EXPR_COMPOUND_LITERAL,
        EXPR_CALL,
        EXPR_CONDITIONAL,
        EXPR_SELECT,
@@ -27,8 +53,7 @@ typedef enum {
        EXPR_CLASSIFY_TYPE,
        EXPR_ALIGNOF,
 
-       EXPR_FUNCTION,
-       EXPR_PRETTY_FUNCTION,
+       EXPR_FUNCNAME,
        EXPR_BUILTIN_SYMBOL,
        EXPR_BUILTIN_CONSTANT_P,
        EXPR_BUILTIN_PREFETCH,
@@ -96,6 +121,13 @@ typedef enum {
        EXPR_BINARY_LAST = EXPR_BINARY_ISUNORDERED,
 } expression_kind_t;
 
+typedef enum {
+       FUNCNAME_FUNCTION,           /**< C99 __func__, older __FUNCTION__ */
+       FUNCNAME_PRETTY_FUNCTION,    /**< GNUC __PRETTY_FUNCTION__ */
+       FUNCNAME_FUNCSIG,            /**< MS __FUNCSIG__ */
+       FUNCNAME_FUNCDNAME           /**< MS __FUNCDNAME__ */
+} funcname_kind_t;
+
 /* convenience macros */
 #define EXPR_BINARY_CASES                  \
        case EXPR_BINARY_ADD:                  \
@@ -152,8 +184,12 @@ typedef enum {
        case EXPR_UNARY_ASSUME:                \
        case EXPR_UNARY_BITFIELD_EXTRACT:
 
+/**
+ * A scope containing declarations.
+ */
 struct scope_t {
-       declaration_t *declarations;  /**< List of declarations in this scope. */
+       declaration_t *declarations;      /**< List of declarations in this scope. */
+       declaration_t *last_declaration;  /**< last declaration in this scope. */
 };
 
 struct expression_base_t {
@@ -165,9 +201,13 @@ struct expression_base_t {
 struct const_expression_t {
        expression_base_t  base;
        union {
-               long long   int_value;
-               long double float_value;
+               long long      int_value;
+               long double    float_value;
+               string_t       character;
+               wide_string_t  wide_character;
        } v;
+       bool               is_ms_noop;  /**< True, if this constant is the result
+                                            of an microsoft __noop operator */
 };
 
 struct string_literal_expression_t {
@@ -175,11 +215,23 @@ struct string_literal_expression_t {
        string_t           value;
 };
 
+struct funcname_expression_t {
+       expression_base_t  base;
+       funcname_kind_t    kind;
+       string_t           value;     /**< the value once assigned. */
+};
+
 struct wide_string_literal_expression_t {
        expression_base_t  base;
        wide_string_t      value;
 };
 
+struct compound_literal_expression_t {
+       expression_base_t  base;
+       type_t            *type;
+       initializer_t     *initializer;
+};
+
 struct builtin_symbol_expression_t {
        expression_base_t  base;
        symbol_t          *symbol;
@@ -199,7 +251,6 @@ struct builtin_prefetch_expression_t {
 
 struct reference_expression_t {
        expression_base_t  base;
-       symbol_t          *symbol;
        declaration_t     *declaration;
 };
 
@@ -247,9 +298,10 @@ struct typeprop_expression_t {
 };
 
 struct designator_t {
-       symbol_t     *symbol;
-       expression_t *array_access;
-       designator_t *next;
+       source_position_t  source_position;
+       symbol_t          *symbol;
+       expression_t      *array_index;
+       designator_t      *next;
 };
 
 struct offsetof_expression_t {
@@ -290,8 +342,10 @@ union expression_t {
        expression_kind_t                kind;
        expression_base_t                base;
        const_expression_t               conste;
+       funcname_expression_t            funcname;
        string_literal_expression_t      string;
        wide_string_literal_expression_t wide_string;
+       compound_literal_expression_t    compound_literal;
        builtin_symbol_expression_t      builtin_symbol;
        builtin_constant_expression_t    builtin_constant;
        builtin_prefetch_expression_t    builtin_prefetch;
@@ -312,15 +366,15 @@ union expression_t {
 
 typedef enum {
        STORAGE_CLASS_NONE,
-       STORAGE_CLASS_TYPEDEF,
        STORAGE_CLASS_EXTERN,
        STORAGE_CLASS_STATIC,
+       STORAGE_CLASS_TYPEDEF,
        STORAGE_CLASS_AUTO,
        STORAGE_CLASS_REGISTER,
        STORAGE_CLASS_ENUM_ENTRY,
        STORAGE_CLASS_THREAD,
        STORAGE_CLASS_THREAD_EXTERN,
-       STORAGE_CLASS_THREAD_STATIC
+       STORAGE_CLASS_THREAD_STATIC,
 } storage_class_tag_t;
 
 typedef enum {
@@ -335,7 +389,8 @@ typedef enum {
        INITIALIZER_VALUE,
        INITIALIZER_LIST,
        INITIALIZER_STRING,
-       INITIALIZER_WIDE_STRING
+       INITIALIZER_WIDE_STRING,
+       INITIALIZER_DESIGNATOR
 } initializer_kind_t;
 
 struct initializer_base_t {
@@ -343,26 +398,31 @@ struct initializer_base_t {
 };
 
 struct initializer_value_t {
-       initializer_base_t  initializer;
+       initializer_base_t  base;
        expression_t       *value;
 };
 
 struct initializer_list_t {
-       initializer_base_t  initializer;
+       initializer_base_t  base;
        size_t              len;
        initializer_t      *initializers[];
 };
 
 struct initializer_string_t {
-       initializer_base_t initializer;
+       initializer_base_t base;
        string_t           string;
 };
 
 struct initializer_wide_string_t {
-       initializer_base_t  initializer;
+       initializer_base_t  base;
        wide_string_t       string;
 };
 
+struct initializer_designator_t {
+       initializer_base_t  base;
+       designator_t       *designator;
+};
+
 union initializer_t {
        initializer_kind_t        kind;
        initializer_base_t        base;
@@ -370,28 +430,115 @@ union initializer_t {
        initializer_list_t        list;
        initializer_string_t      string;
        initializer_wide_string_t wide_string;
-};
-
+       initializer_designator_t  designator;
+};
+
+/**
+ * GNU attributes.
+ */
+typedef enum gnu_attribute_kind_t {
+       GNU_AK_CONST,
+       GNU_AK_VOLATILE,
+       GNU_AK_CDECL,
+       GNU_AK_STDCALL,
+       GNU_AK_FASTCALL,
+       GNU_AK_DEPRECATED,
+       GNU_AK_NOINLINE,
+       GNU_AK_NORETURN,
+       GNU_AK_NAKED,
+       GNU_AK_PURE,
+       GNU_AK_ALWAYS_INLINE,
+       GNU_AK_MALLOC,
+       GNU_AK_WEAK,
+       GNU_AK_CONSTRUCTOR,
+       GNU_AK_DESTRUCTOR,
+       GNU_AK_NOTHROW,
+       GNU_AK_TRANSPARENT_UNION,
+       GNU_AK_COMMON,
+       GNU_AK_NOCOMMON,
+       GNU_AK_PACKED,
+       GNU_AK_SHARED,
+       GNU_AK_NOTSHARED,
+       GNU_AK_USED,
+       GNU_AK_UNUSED,
+       GNU_AK_NO_INSTRUMENT_FUNCTION,
+       GNU_AK_WARN_UNUSED_RESULT,
+       GNU_AK_LONGCALL,
+       GNU_AK_SHORTCALL,
+       GNU_AK_LONG_CALL,
+       GNU_AK_SHORT_CALL,
+       GNU_AK_FUNCTION_VECTOR,
+       GNU_AK_INTERRUPT,
+       GNU_AK_INTERRUPT_HANDLER,
+       GNU_AK_NMI_HANDLER,
+       GNU_AK_NESTING,
+       GNU_AK_NEAR,
+       GNU_AK_FAR,
+       GNU_AK_SIGNAL,
+       GNU_AK_EIGTHBIT_DATA,
+       GNU_AK_TINY_DATA,
+       GNU_AK_SAVEALL,
+       GNU_AK_FLATTEN,
+       GNU_AK_SSEREGPARM,
+       GNU_AK_EXTERNALLY_VISIBLE,
+       GNU_AK_RETURN_TWICE,
+       GNU_AK_MAY_ALIAS,
+       GNU_AK_MS_STRUCT,
+       GNU_AK_GCC_STRUCT,
+       GNU_AK_DLLIMPORT,
+       GNU_AK_DLLEXPORT,
+       GNU_AK_ALIGNED,
+       GNU_AK_ALIAS,
+       GNU_AK_SECTION,
+       GNU_AK_FORMAT,
+       GNU_AK_FORMAT_ARG,
+       GNU_AK_WEAKREF,
+       GNU_AK_NONNULL,
+       GNU_AK_TLS_MODEL,
+       GNU_AK_VISIBILITY,
+       GNU_AK_REGPARM,
+       GNU_AK_MODEL,
+       GNU_AK_MODE,
+       GNU_AK_TRAP_EXIT,
+       GNU_AK_SP_SWITCH,
+       GNU_AK_SENTINEL,
+       GNU_AK_LAST
+} gnu_attribute_kind_t;
+
+/**
+ * Extended microsoft modifier.
+ */
 typedef enum {
-       DM_DLLIMPORT   = (1 << 0),
-       DM_DLLEXPORT   = (1 << 1),
-       DM_THREAD      = (1 << 2),
-       DM_NAKED       = (1 << 3),
-       DM_FORCEINLINE = (1 << 4),
-       DM_NOTHROW     = (1 << 5),
-       DM_NORETURN    = (1 << 6),
-       DM_NOINLINE    = (1 << 7)
+       DM_DLLIMPORT        = (1 <<  0),
+       DM_DLLEXPORT        = (1 <<  1),
+       DM_THREAD           = (1 <<  2),
+       DM_NAKED            = (1 <<  3),
+       DM_MICROSOFT_INLINE = (1 <<  4),
+       DM_FORCEINLINE      = (1 <<  5),
+       DM_SELECTANY        = (1 <<  6),
+       DM_NOTHROW          = (1 <<  7),
+       DM_NOVTABLE         = (1 <<  8),
+       DM_NORETURN         = (1 <<  9),
+       DM_NOINLINE         = (1 << 10),
+       DM_RESTRICT         = (1 << 11),
+       DM_NOALIAS          = (1 << 12)
 } decl_modifier_t;
 
 typedef unsigned short decl_modifiers_t;
 
 struct declaration_t {
        unsigned char       namespc;
+       unsigned char       declared_storage_class;
        unsigned char       storage_class;
-       decl_modifiers_t    modifiers;
+       unsigned char       alignment;          /**< Alignment of the declaration, 0 for default. */
+       decl_modifiers_t    decl_modifiers;     /**< MS __declspec modifiers. */
+       const char         *deprecated_string;  /**< MS deprecated string if any. */
+       symbol_t           *get_property_sym;   /**< MS get property. */
+       symbol_t           *put_property_sym;   /**< MS put property. */
        unsigned int        address_taken : 1;
        unsigned int        is_inline     : 1;
        unsigned int        used          : 1;  /**< Set if the declaration is used. */
+       unsigned int        deprecated    : 1;  /**< Microsoft or GNU deprecated attribute. */
        type_t             *type;
        symbol_t           *symbol;
        source_position_t   source_position;
@@ -401,28 +548,29 @@ struct declaration_t {
                initializer_t  *initializer;
                expression_t   *enum_value;
        } init;
-       scope_t             scope;
-       scope_t            *parent_scope;
+       scope_t             scope;              /**< The scope that this declaration opens. */
+       scope_t            *parent_scope;       /**< The parent scope where this declaration lives. */
 
        /** next declaration in a scope */
        declaration_t      *next;
        /** next declaration with same symbol */
        declaration_t      *symbol_next;
-       /** next variable/parameter in function scope/global scope */
-       declaration_t      *next_var;
 
        /* the following fields are used in ast2firm module */
        unsigned char       declaration_kind;
        union {
-               unsigned int    value_number;
-               ir_entity      *entity;
-               ir_node        *block;
-               tarval         *enum_val;
+               unsigned int  value_number;
+               ir_entity    *entity;
+               ir_node      *block;
+               ir_node      *vla_base;
+               tarval       *enum_val;
+               ir_type      *irtype;
        } v;
 };
 
 typedef enum {
        STATEMENT_INVALID,
+       STATEMENT_EMPTY,
        STATEMENT_COMPOUND,
        STATEMENT_RETURN,
        STATEMENT_DECLARATION,
@@ -437,7 +585,9 @@ typedef enum {
        STATEMENT_WHILE,
        STATEMENT_DO_WHILE,
        STATEMENT_FOR,
-       STATEMENT_ASM
+       STATEMENT_ASM,
+       STATEMENT_MS_TRY,
+       STATEMENT_LEAVE
 } statement_kind_t;
 
 struct statement_base_t {
@@ -446,76 +596,85 @@ struct statement_base_t {
        source_position_t  source_position;
 };
 
+struct invalid_statement_t {
+       statement_base_t  base;
+};
+
+struct empty_statement_t {
+       statement_base_t  base;
+};
+
 struct return_statement_t {
-       statement_base_t  statement;
-       expression_t     *return_value;
+       statement_base_t  base;
+       expression_t     *value;
 };
 
 struct compound_statement_t {
-       statement_base_t  statement;
+       statement_base_t  base;
        statement_t      *statements;
        scope_t           scope;
 };
 
 struct declaration_statement_t {
-       statement_base_t  statement;
+       statement_base_t  base;
        declaration_t    *declarations_begin;
        declaration_t    *declarations_end;
 };
 
 struct if_statement_t {
-       statement_base_t  statement;
+       statement_base_t  base;
        expression_t     *condition;
        statement_t      *true_statement;
        statement_t      *false_statement;
 };
 
 struct switch_statement_t {
-       statement_base_t       statement;
+       statement_base_t       base;
        expression_t           *expression;
        statement_t            *body;
        case_label_statement_t *first_case, *last_case;
 };
 
 struct goto_statement_t {
-       statement_base_t  statement;
+       statement_base_t  base;
        declaration_t    *label;     /**< The destination label. */
        goto_statement_t *next;      /**< links all goto statements of a function */
 };
 
 struct case_label_statement_t {
-       statement_base_t        statement;
-       expression_t           *expression;
-       statement_t            *label_statement;
-       case_label_statement_t *next; /**< link to the next case label in the switch */
+       statement_base_t        base;
+       expression_t           *expression;  /**< The case label expression, NULL for default label. */
+       expression_t           *end_range;   /**< For GNUC case a .. b: the end range expression, NULL else. */
+       statement_t            *statement;
+       case_label_statement_t *next; /**< link to the next case label in switch */
 };
 
 struct label_statement_t {
-       statement_base_t   statement;
+       statement_base_t   base;
        declaration_t     *label;
-       statement_t       *label_statement;
-       label_statement_t *next;            /**< links all label statements of a function */
+       statement_t       *statement;
+       label_statement_t *next;    /**< links all label statements of a function */
 };
 
 struct expression_statement_t {
-       statement_base_t  statement;
+       statement_base_t  base;
        expression_t     *expression;
 };
 
 struct while_statement_t {
-       statement_base_t  statement;
+       statement_base_t  base;
        expression_t     *condition;
        statement_t      *body;
 };
 
 struct do_while_statement_t {
-       statement_base_t  statement;
+       statement_base_t  base;
        expression_t     *condition;
        statement_t      *body;
 };
 
 struct for_statement_t {
-       statement_base_t  statement;
+       statement_base_t  base;
        expression_t     *initialisation;
        expression_t     *condition;
        expression_t     *step;
@@ -536,7 +695,7 @@ struct asm_clobber_t {
 };
 
 struct asm_statement_t {
-       statement_base_t  statement;
+       statement_base_t  base;
        string_t          asm_text;
        asm_constraint_t *inputs;
        asm_constraint_t *outputs;
@@ -544,6 +703,17 @@ struct asm_statement_t {
        bool              is_volatile;
 };
 
+struct ms_try_statement_t {
+       statement_base_t  base;
+       statement_t      *try_statement;
+       expression_t     *except_expression; /**< non-null for except, NULL for finally */
+       statement_t      *final_statement;
+};
+
+struct leave_statement_t {
+       statement_base_t  base;
+};
+
 union statement_t {
        statement_kind_t         kind;
        statement_base_t         base;
@@ -560,6 +730,8 @@ union statement_t {
        do_while_statement_t     do_while;
        for_statement_t          fors;
        asm_statement_t          asms;
+       ms_try_statement_t       ms_try;
+       leave_statement_t        leave;
 };
 
 struct translation_unit_t {
@@ -572,6 +744,19 @@ void *_allocate_ast(size_t size)
        return obstack_alloc(&ast_obstack, size);
 }
 
+static inline
+bool is_invalid_expression(expression_t *expression)
+{
+       return expression->base.kind == EXPR_INVALID;
+}
+
+static inline
+bool is_invalid_statement(statement_t *statement)
+{
+       return statement->base.kind == STATEMENT_INVALID;
+}
+
+
 #define allocate_ast(size)                 _allocate_ast(size)
 
 #endif