#include "type.h"
#include "adt/obst.h"
+/** The AST obstack contains all data that must stay in the AST. */
extern struct obstack ast_obstack;
-typedef enum {
+/**
+ * Expression kinds.
+ */
+typedef enum expression_kind_t {
EXPR_UNKNOWN = 0,
EXPR_INVALID,
EXPR_REFERENCE,
EXPR_VA_START,
EXPR_VA_ARG,
EXPR_STATEMENT,
+ EXPR_LABEL_ADDRESS, /**< GCC extension &&label operator */
EXPR_UNARY_FIRST,
EXPR_UNARY_NEGATE = EXPR_UNARY_FIRST,
EXPR_UNARY_CAST,
EXPR_UNARY_CAST_IMPLICIT, /**< compiler generated cast */
EXPR_UNARY_ASSUME, /**< MS __assume() */
- EXPR_UNARY_BITFIELD_EXTRACT,
- EXPR_UNARY_LAST = EXPR_UNARY_BITFIELD_EXTRACT,
+ EXPR_UNARY_LAST = EXPR_UNARY_ASSUME,
EXPR_BINARY_FIRST,
EXPR_BINARY_ADD = EXPR_BINARY_FIRST,
EXPR_BINARY_LAST = EXPR_BINARY_ISUNORDERED,
} expression_kind_t;
-typedef enum {
+typedef enum funcname_kind_t {
FUNCNAME_FUNCTION, /**< C99 __func__, older __FUNCTION__ */
FUNCNAME_PRETTY_FUNCTION, /**< GNUC __PRETTY_FUNCTION__ */
FUNCNAME_FUNCSIG, /**< MS __FUNCSIG__ */
case EXPR_UNARY_PREFIX_DECREMENT: \
case EXPR_UNARY_CAST: \
case EXPR_UNARY_CAST_IMPLICIT: \
- case EXPR_UNARY_ASSUME: \
- case EXPR_UNARY_BITFIELD_EXTRACT:
+ case EXPR_UNARY_ASSUME:
/**
* A scope containing declarations.
struct scope_t {
declaration_t *declarations; /**< List of declarations in this scope. */
declaration_t *last_declaration; /**< last declaration in this scope. */
+ scope_t *parent; /**< points to the parent scope. */
+ unsigned depth; /**< while parsing, the depth of this scope in the scope stack. */
+ bool is_parameter; /**< Set if this scope is a parameter scope. */
};
struct expression_base_t {
expression_kind_t kind;
type_t *type;
source_position_t source_position;
+#ifndef NDEBUG
+ bool transformed;
+#endif
};
struct const_expression_t {
struct reference_expression_t {
expression_base_t base;
- symbol_t *symbol;
declaration_t *declaration;
+ bool is_outer_ref; /**< Set, if this referenced a variable
+ outside of an inner function */
};
struct call_argument_t {
struct select_expression_t {
expression_base_t base;
expression_t *compound;
- symbol_t *symbol;
-
declaration_t *compound_entry;
};
expression_base_t base;
expression_t *array_ref;
expression_t *index;
- bool flipped; /* index/ref was written in a 5[a] way */
+ bool flipped; /**< index/ref was written in a 5[a] way */
};
struct typeprop_expression_t {
expression_t *type_expression;
};
+struct label_address_expression_t {
+ expression_base_t base;
+ declaration_t *declaration;
+};
+
union expression_t {
expression_kind_t kind;
expression_base_t base;
conditional_expression_t conditional;
statement_expression_t statement;
classify_type_expression_t classify_type;
+ label_address_expression_t label_address;
};
-typedef enum {
+typedef enum storage_class_tag_t {
STORAGE_CLASS_NONE,
STORAGE_CLASS_EXTERN,
STORAGE_CLASS_STATIC,
STORAGE_CLASS_THREAD_STATIC,
} storage_class_tag_t;
-typedef enum {
+typedef enum namespace_t {
NAMESPACE_NORMAL,
NAMESPACE_STRUCT,
NAMESPACE_UNION,
NAMESPACE_ENUM,
NAMESPACE_LABEL,
+ NAMESPACE_LOCAL_LABEL
} namespace_t;
-typedef enum {
+typedef enum initializer_kind_t {
INITIALIZER_VALUE,
INITIALIZER_LIST,
INITIALIZER_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_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)
+typedef enum decl_modifier_t {
+ 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,
+ 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
} decl_modifier_t;
-typedef unsigned short decl_modifiers_t;
+typedef unsigned decl_modifiers_t;
struct declaration_t {
unsigned char namespc;
unsigned char declared_storage_class;
unsigned char storage_class;
unsigned char alignment; /**< Alignment of the declaration, 0 for default. */
- decl_modifiers_t modifiers; /**< MS __declspec modifiers. */
+ decl_modifiers_t modifiers; /**< 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 address_taken : 1; /**< Set if the address of this declaration was taken. */
unsigned int is_inline : 1;
unsigned int used : 1; /**< Set if the declaration is used. */
- unsigned int deprecated : 1; /**< Microsoft of GNU deprecated attribute. */
+ unsigned int implicit : 1; /**< Set for implicit (not found in source code) declarations. */
+ unsigned int need_closure : 1; /**< Inner function needs closure. */
+ unsigned int goto_to_outer : 1; /**< Inner function has goto to outer function. */
type_t *type;
+ il_size_t offset; /**< The offset of this member inside a compound. */
symbol_t *symbol;
+ string_t *asm_name; /**< GCC extension: ASM label. */
source_position_t source_position;
union {
- bool is_defined;
+ bool complete; /**< used to indicate whether struct/union types are already defined or if just the name is declared */
statement_t *statement;
initializer_t *initializer;
expression_t *enum_value;
} init;
scope_t scope; /**< The scope that this declaration opens. */
- scope_t *parent_scope; /**< The parant scope where this declaration lives. */
+ scope_t *parent_scope; /**< The parent scope where this declaration lives. */
/** next declaration in a scope */
declaration_t *next;
} v;
};
-typedef enum {
+typedef enum statement_kind_t {
STATEMENT_INVALID,
STATEMENT_EMPTY,
STATEMENT_COMPOUND,
STATEMENT_WHILE,
STATEMENT_DO_WHILE,
STATEMENT_FOR,
- STATEMENT_ASM
+ STATEMENT_ASM,
+ STATEMENT_MS_TRY, /**< MS __try/__finally or __try/__except */
+ STATEMENT_LEAVE /**< MS __leave */
} statement_kind_t;
struct statement_base_t {
statement_kind_t kind;
statement_t *next;
source_position_t source_position;
+ statement_t *parent;
+ bool reachable;
+#ifndef NDEBUG
+ bool transformed;
+#endif
};
struct invalid_statement_t {
};
struct switch_statement_t {
- statement_base_t base;
+ statement_base_t base;
expression_t *expression;
statement_t *body;
- case_label_statement_t *first_case, *last_case;
+ case_label_statement_t *first_case, *last_case; /**< List of all cases, including default. */
+ case_label_statement_t *default_label; /**< The default label if existent. */
+ unsigned long default_proj_nr; /**< The Proj-number for the default Proj. */
};
struct goto_statement_t {
statement_base_t base;
- declaration_t *label; /**< The destination label. */
- goto_statement_t *next; /**< links all goto statements of a function */
+ declaration_t *label; /**< The destination label. */
+ expression_t *expression; /**< The expression for an assigned goto. */
+ goto_statement_t *next; /**< links all goto statements of a function */
+ bool outer_fkt_jmp; /**< Set if this goto jump to an outer function. */
};
struct case_label_statement_t {
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. */
+ 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. */
+ case_label_statement_t *next; /**< link to the next case label in switch */
statement_t *statement;
- case_label_statement_t *next; /**< link to the next case label in switch */
+ long first_case; /**< The folded value of expression. */
+ long last_case; /**< The folded value of end_range. */
+ bool is_bad; /**< If set marked as bad to suppress warnings. */
+ bool is_empty_range; /**< If set marked this as an empty range. */
};
struct label_statement_t {
expression_t *step;
statement_t *body;
scope_t scope;
+ bool condition_reachable:1;
+ bool step_reachable:1;
};
-struct asm_constraint_t {
- string_t constraints;
- expression_t *expression;
- symbol_t *symbol;
- asm_constraint_t *next;
+struct asm_argument_t {
+ string_t constraints;
+ expression_t *expression;
+ symbol_t *symbol;
+ asm_argument_t *next;
};
struct asm_clobber_t {
};
struct asm_statement_t {
+ statement_base_t base;
+ string_t asm_text;
+ asm_argument_t *inputs;
+ asm_argument_t *outputs;
+ asm_clobber_t *clobbers;
+ 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;
- string_t asm_text;
- asm_constraint_t *inputs;
- asm_constraint_t *outputs;
- asm_clobber_t *clobbers;
- bool is_volatile;
};
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 {
- scope_t scope;
+ scope_t scope;
+ statement_t *global_asm;
};
static inline
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