* *
* C Header File *
* *
- * Copyright (C) 1992-2011, Free Software Foundation, Inc. *
+ * Copyright (C) 1992-2012, Free Software Foundation, Inc. *
* *
* GNAT is free software; you can redistribute it and/or modify it under *
* terms of the GNU General Public License as published by the Free Soft- *
/* Get the unpadded version of a GNAT type. */
extern tree get_unpadded_type (Entity_Id gnat_entity);
+/* Return the DECL associated with the public subprogram GNAT_ENTITY but whose
+ type has been changed to that of the parameterless procedure, except if an
+ alias is already present, in which case it is returned instead. */
+extern tree get_minimal_subprog_decl (Entity_Id gnat_entity);
+
+/* Return whether the E_Subprogram_Type/E_Function/E_Procedure GNAT_ENTITY is
+ a C++ imported method or equivalent. */
+extern bool is_cplusplus_method (Entity_Id gnat_entity);
+
/* Create a record type that contains a SIZE bytes long field of TYPE with a
starting bit position so that it is aligned to ALIGN bits, and leaving at
least ROOM bytes free before the field. BASE_ALIGN is the alignment the
ADT_longjmp_decl,
ADT_update_setjmp_buf_decl,
ADT_raise_nodefer_decl,
+ ADT_reraise_zcx_decl,
ADT_begin_handler_decl,
ADT_end_handler_decl,
ADT_others_decl,
#define longjmp_decl gnat_std_decls[(int) ADT_longjmp_decl]
#define update_setjmp_buf_decl gnat_std_decls[(int) ADT_update_setjmp_buf_decl]
#define raise_nodefer_decl gnat_std_decls[(int) ADT_raise_nodefer_decl]
+#define reraise_zcx_decl gnat_std_decls[(int) ADT_reraise_zcx_decl]
#define begin_handler_decl gnat_std_decls[(int) ADT_begin_handler_decl]
#define others_decl gnat_std_decls[(int) ADT_others_decl]
#define all_others_decl gnat_std_decls[(int) ADT_all_others_decl]
/* Get the setjmp_decl, if any, for the current binding level. */
extern tree get_block_jmpbuf_decl (void);
-/* Records a ..._DECL node DECL as belonging to the current lexical scope
- and uses GNAT_NODE for location information. */
+/* Record DECL as belonging to the current lexical scope and use GNAT_NODE
+ for location information and flag propagation. */
extern void gnat_pushdecl (tree decl, Node_Id gnat_node);
extern void gnat_init_gcc_eh (void);
transparently converted to each other. */
extern int gnat_types_compatible_p (tree t1, tree t2);
+/* Return true if EXPR is a useless type conversion. */
+extern bool gnat_useless_type_conversion (tree expr);
+
/* Return true if T, a FUNCTION_TYPE, has the specified list of flags. */
extern bool fntype_same_flags_p (const_tree, tree, bool, bool, bool);
not permitted by the language being compiled. */
extern tree convert (tree type, tree expr);
+/* Create an expression whose value is that of EXPR converted to the common
+ index type, which is sizetype. */
+extern tree convert_to_index_type (tree expr);
+
/* Routines created solely for the tree translator's sake. Their prototypes
can be changed as desired. */
extern tree create_param_decl (tree param_name, tree param_type,
bool readonly);
-/* Return a LABEL_DECL node for LABEL_NAME. */
-extern tree create_label_decl (tree label_name);
+/* Return a LABEL_DECL with LABEL_NAME. GNAT_NODE is used for the position
+ of the decl. */
+extern tree create_label_decl (tree, Node_Id);
/* Return a FUNCTION_DECL node. SUBPROG_NAME is the name of the subprogram,
ASM_NAME is its assembler name, SUBPROG_TYPE is its type (a FUNCTION_TYPE
node), PARAM_DECL_LIST is the list of the subprogram arguments (a list of
- PARM_DECL nodes chained through the TREE_CHAIN field).
+ PARM_DECL nodes chained through the DECL_CHAIN field).
INLINE_FLAG, PUBLIC_FLAG, EXTERN_FLAG, ARTIFICIAL_FLAG and ATTR_LIST are
used to set the appropriate fields in the FUNCTION_DECL. GNAT_NODE is
appearing in the subprogram. */
extern void begin_subprog_body (tree subprog_decl);
-/* Finish the definition of the current subprogram BODY and finalize it. */
+/* Finish translating the current subprogram and set its BODY. */
extern void end_subprog_body (tree body);
+/* Wrap up compilation of SUBPROG_DECL, a subprogram body. */
+extern void rest_of_subprog_body_compilation (tree subprog_decl);
+
/* Build a template of type TEMPLATE_TYPE from the array bounds of ARRAY_TYPE.
EXPR is an expression that we can use to locate any PLACEHOLDER_EXPRs.
Return a constructor for the template. */
extern tree build_vms_descriptor32 (tree type, Mechanism_Type mech,
Entity_Id gnat_entity);
-/* Build a stub for the subprogram specified by the GCC tree GNU_SUBPROG
- and the GNAT node GNAT_SUBPROG. */
-extern void build_function_stub (tree gnu_subprog, Entity_Id gnat_subprog);
-
/* Build a type to be used to represent an aliased object whose nominal type
is an unconstrained array. This consists of a RECORD_TYPE containing a
field of TEMPLATE_TYPE and a field of OBJECT_TYPE, which is an ARRAY_TYPE.
likewise return an expression pointing to the underlying array. */
extern tree maybe_unconstrained_array (tree exp);
-/* If EXP's type is a VECTOR_TYPE, return EXP converted to the associated
- TYPE_REPRESENTATIVE_ARRAY. */
-extern tree maybe_vector_array (tree exp);
-
/* Return an expression that does an unchecked conversion of EXPR to TYPE.
If NOTRUNC_P is true, truncation operations should be suppressed. */
extern tree unchecked_convert (tree type, tree expr, bool notrunc_p);
of 2. */
extern bool value_factor_p (tree value, HOST_WIDE_INT factor);
+/* Build an atomic load for the underlying atomic object in SRC. */
+extern tree build_atomic_load (tree src);
+
+/* Build an atomic store from SRC to the underlying atomic object in DEST. */
+extern tree build_atomic_store (tree dest, tree src);
+
/* Make a binary operation of kind OP_CODE. RESULT_TYPE is the type
desired for the result. Usually the operation is to be performed
in that type. For MODIFY_EXPR and ARRAY_REF, RESULT_TYPE may be 0
tree true_operand, tree false_operand);
/* Similar, but for COMPOUND_EXPR. */
-
extern tree build_compound_expr (tree result_type, tree stmt_operand,
tree expr_operand);
-/* Similar, but for RETURN_EXPR. */
-extern tree build_return_expr (tree ret_obj, tree ret_val);
-
-/* Build a CALL_EXPR to call FUNDECL with one argument, ARG. Return
- the CALL_EXPR. */
-extern tree build_call_1_expr (tree fundecl, tree arg);
-
-/* Build a CALL_EXPR to call FUNDECL with two argument, ARG1 & ARG2. Return
- the CALL_EXPR. */
-extern tree build_call_2_expr (tree fundecl, tree arg1, tree arg2);
-
-/* Likewise to call FUNDECL with no arguments. */
-extern tree build_call_0_expr (tree fundecl);
+/* Conveniently construct a function call expression. FNDECL names the
+ function to be called, N is the number of arguments, and the "..."
+ parameters are the argument expressions. Unlike build_call_expr
+ this doesn't fold the call, hence it will always return a CALL_EXPR. */
+extern tree build_call_n_expr (tree fndecl, int n, ...);
/* Call a function that raises an exception and pass the line number and file
name, if requested. MSG says which exception function to call.
extern tree fill_vms_descriptor (tree gnu_type, tree gnu_expr,
Node_Id gnat_actual);
+/* Convert GNU_EXPR, a pointer to a VMS descriptor, to GNU_TYPE, a regular
+ pointer or fat pointer type. GNU_EXPR_ALT_TYPE is the alternate (32-bit)
+ pointer type of GNU_EXPR. BY_REF is true if the result is to be used by
+ reference. GNAT_SUBPROG is the subprogram to which the VMS descriptor is
+ passed. */
+extern tree convert_vms_descriptor (tree gnu_type, tree gnu_expr,
+ tree gnu_expr_alt_type, bool by_ref,
+ Entity_Id gnat_subprog);
+
/* Indicate that we need to take the address of T and that it therefore
should not be allocated in a register. Returns true if successful. */
extern bool gnat_mark_addressable (tree t);
through something we don't know how to stabilize. */
extern tree gnat_stabilize_reference (tree ref, bool force, bool *success);
+/* If EXPR is an expression that is invariant in the current function, in the
+ sense that it can be evaluated anywhere in the function and any number of
+ times, return EXPR or an equivalent expression. Otherwise return NULL. */
+extern tree gnat_invariant_expr (tree expr);
+
/* Implementation of the builtin_function langhook. */
extern tree gnat_builtin_function (tree decl);
extern Pos get_target_long_double_size (void);
extern Pos get_target_pointer_size (void);
extern Pos get_target_maximum_default_alignment (void);
-extern Pos get_target_default_allocator_alignment (void);
+extern Pos get_target_system_allocator_alignment (void);
extern Pos get_target_maximum_allowed_alignment (void);
extern Pos get_target_maximum_alignment (void);
extern Nat get_float_words_be (void);
extern Nat get_target_double_float_alignment (void);
extern Nat get_target_double_scalar_alignment (void);
+/* This function is called by the front-end to enumerate all the supported
+ modes for the machine, as well as some predefined C types. */
+extern void enumerate_modes (void (*f) (const char *, int, int, int, int, int,
+ int));
+
#ifdef __cplusplus
}
#endif
/* Convenient shortcuts. */
#define VECTOR_TYPE_P(TYPE) (TREE_CODE (TYPE) == VECTOR_TYPE)
+
+/* If EXP's type is a VECTOR_TYPE, return EXP converted to the associated
+ TYPE_REPRESENTATIVE_ARRAY. */
+
+static inline tree
+maybe_vector_array (tree exp)
+{
+ tree etype = TREE_TYPE (exp);
+
+ if (VECTOR_TYPE_P (etype))
+ exp = convert (TYPE_REPRESENTATIVE_ARRAY (etype), exp);
+
+ return exp;
+}
OSDN Git Service
