/* Front-end tree definitions for GNU compiler.
- Copyright (C) 1989, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1989, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
This file is part of GNU CC.
struct tree_int_cst
{
char common[sizeof (struct tree_common)];
+ struct rtx_def *rtl; /* acts as link to register transfer language
+ (rtl) info */
HOST_WIDE_INT int_cst_low;
HOST_WIDE_INT int_cst_high;
};
/* For FIELD_DECLs, this is the
RECORD_TYPE, UNION_TYPE, or QUAL_UNION_TYPE node that the field is
a member of. For VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
- and CONST_DECL nodes, this points to the FUNCTION_DECL for the
- containing function, or else yields NULL_TREE if the given decl has "file scope". */
+ and CONST_DECL nodes, this points to either the FUNCTION_DECL for the
+ containing function, the RECORD_TYPE or UNION_TYPE for the containing
+ type, or NULL_TREE if the given decl has "file scope". */
#define DECL_CONTEXT(NODE) ((NODE)->decl.context)
#define DECL_FIELD_CONTEXT(NODE) ((NODE)->decl.context)
/* In a DECL this is the field where configuration dependent machine
/* Used to indicate that this DECL has weak linkage. */
#define DECL_WEAK(NODE) ((NODE)->decl.weak_flag)
+/* Used in TREE_PUBLIC decls to indicate that copies of this DECL in
+ multiple translation units should be merged. */
+#define DECL_ONE_ONLY(NODE) ((NODE)->decl.transparent_union)
+
/* Additional flags for language-specific uses. */
#define DECL_LANG_FLAG_0(NODE) ((NODE)->decl.lang_flag_0)
#define DECL_LANG_FLAG_1(NODE) ((NODE)->decl.lang_flag_1)
char common[sizeof (struct tree_common)];
char *filename;
int linenum;
- union tree_node *size;
unsigned int uid;
+ union tree_node *size;
#ifdef ONLY_INT_FIELDS
int mode : 8;
#else
unsigned lang_flag_6 : 1;
unsigned lang_flag_7 : 1;
+ /* For a FUNCTION_DECL, if inline, this is the size of frame needed.
+ If built-in, this is the code for which built-in function.
+ For other kinds of decls, this is DECL_ALIGN. */
+ union {
+ int i;
+ unsigned int u;
+ enum built_in_function f;
+ } frame_size;
+
union tree_node *name;
union tree_node *context;
union tree_node *arguments;
union tree_node *machine_attributes;
struct rtx_def *rtl; /* acts as link to register transfer language
(rtl) info */
- /* For a FUNCTION_DECL, if inline, this is the size of frame needed.
- If built-in, this is the code for which built-in function.
- For other kinds of decls, this is DECL_ALIGN. */
- union {
- int i;
- unsigned int u;
- enum built_in_function f;
- } frame_size;
/* For FUNCTION_DECLs: points to insn that constitutes its definition
on the permanent obstack. For any other kind of decl, this is the
alignment. */
union {
struct rtx_def *r;
- int i;
+ HOST_WIDE_INT i;
} saved_insns;
union tree_node *vindex;
/* Points to a structure whose details depend on the language in use. */
extern tree get_identifier PROTO((char *));
+/* If an identifier with the name TEXT (a null-terminated string) has
+ previously been referred to, return that node; otherwise return
+ NULL_TREE. */
+
+extern tree maybe_get_identifier PROTO((char *));
+
/* Construct various types of nodes. */
#define build_int_2(LO,HI) \
extern tree build_int_2_wide PROTO((HOST_WIDE_INT, HOST_WIDE_INT));
extern tree build_real PROTO((tree, REAL_VALUE_TYPE));
extern tree build_real_from_int_cst PROTO((tree, tree));
-extern tree build_complex PROTO((tree, tree));
+extern tree build_complex PROTO((tree, tree, tree));
extern tree build_string PROTO((int, char *));
extern tree build1 PROTO((enum tree_code, tree, tree));
extern tree build_tree_list PROTO((tree, tree));
look for nested component-refs or array-refs at constant positions
and find the ultimate containing object, which is returned. */
-extern tree get_inner_reference PROTO((tree, int *, int *, tree *, enum machine_mode *, int *, int *));
+extern tree get_inner_reference PROTO((tree, int *, int *, tree *,
+ enum machine_mode *, int *,
+ int *, int *));
/* Return the FUNCTION_DECL which provides this _DECL with its context,
or zero if none. */
extern int all_types_permanent;
-/* Pointer to function to compute the name to use to print a declaration. */
+/* Pointer to function to compute the name to use to print a declaration.
+ DECL is the declaration in question.
+ VERBOSITY determines what information will be printed:
+ 0: DECL_NAME, demangled as necessary.
+ 1: and scope information.
+ 2: and any other information that might be interesting, such as function
+ parameter types in C++. */
-extern char *(*decl_printable_name) ();
+extern char *(*decl_printable_name) (/* tree decl, int verbosity */);
/* Pointer to function to finish handling an incomplete decl at the
end of compilation. */
\f
/* In tree.c */
extern char *perm_calloc PROTO((int, long));
-extern tree get_set_constructor_bits PROTO((tree, char*, int));
+extern tree get_set_constructor_bits PROTO((tree, char *, int));
extern tree get_set_constructor_bytes PROTO((tree,
- unsigned char*, int));
+ unsigned char *, int));
\f
/* In stmt.c */
extern void expand_return PROTO((tree));
extern void expand_start_bindings PROTO((int));
extern void expand_end_bindings PROTO((tree, int, int));
+extern void start_cleanup_deferal PROTO((void));
+extern void end_cleanup_deferal PROTO((void));
+extern void mark_block_as_eh_region PROTO((void));
+extern void mark_block_as_not_eh_region PROTO((void));
+extern int is_eh_region PROTO((void));
+extern int conditional_context PROTO((void));
extern tree last_cleanup_this_contour PROTO((void));
+extern int expand_dhc_cleanup PROTO((tree));
+extern int expand_dcc_cleanup PROTO((tree));
extern void expand_start_case PROTO((int, tree, tree,
char *));
extern void expand_end_case PROTO((tree));
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