GCC 2.8.0 merge

1 files changed, 32 insertions, 15 deletions

diff --git a/gnu/usr.bin/gcc/c-tree.h b/gnu/usr.bin/gcc/c-tree.h
index 02f57c3b9dc..3e0e10a401f 100644
--- a/gnu/usr.bin/gcc/c-tree.h
+++ b/gnu/usr.bin/gcc/c-tree.h
@@ -1,5 +1,5 @@
 /* Definitions for C parsing and type checking.
-   Copyright (C) 1987, 1993, 1994, 1995 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1993, 1994, 1995, 1997 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -40,27 +40,27 @@ struct lang_identifier
 /* This represents the value which the identifier has in the
    file-scope namespace.  */
 #define IDENTIFIER_GLOBAL_VALUE(NODE)	\
-  (((struct lang_identifier *)(NODE))->global_value)
+  (((struct lang_identifier *) (NODE))->global_value)
 /* This represents the value which the identifier has in the current
    scope.  */
 #define IDENTIFIER_LOCAL_VALUE(NODE)	\
-  (((struct lang_identifier *)(NODE))->local_value)
+  (((struct lang_identifier *) (NODE))->local_value)
 /* This represents the value which the identifier has as a label in
    the current label scope.  */
 #define IDENTIFIER_LABEL_VALUE(NODE)	\
-  (((struct lang_identifier *)(NODE))->label_value)
+  (((struct lang_identifier *) (NODE))->label_value)
 /* This records the extern decl of this identifier, if it has had one
    at any point in this compilation.  */
 #define IDENTIFIER_LIMBO_VALUE(NODE)	\
-  (((struct lang_identifier *)(NODE))->limbo_value)
+  (((struct lang_identifier *) (NODE))->limbo_value)
 /* This records the implicit function decl of this identifier, if it
    has had one at any point in this compilation.  */
 #define IDENTIFIER_IMPLICIT_DECL(NODE)	\
-  (((struct lang_identifier *)(NODE))->implicit_decl)
+  (((struct lang_identifier *) (NODE))->implicit_decl)
 /* This is the last function in which we printed an "undefined variable"
    message for this identifier.  Value is a FUNCTION_DECL or null.  */
 #define IDENTIFIER_ERROR_LOCUS(NODE)	\
-  (((struct lang_identifier *)(NODE))->error_locus)
+  (((struct lang_identifier *) (NODE))->error_locus)
 
 /* In identifiers, C uses the following fields in a special way:
    TREE_PUBLIC        to record that there was a previous local extern decl.
@@ -109,7 +109,7 @@ struct lang_type
 
 /* Store a value in that field.  */
 #define C_SET_EXP_ORIGINAL_CODE(exp, code) \
-  (TREE_COMPLEXITY (exp) = (int)(code))
+  (TREE_COMPLEXITY (exp) = (int) (code))
 
 /* Record whether a typedef for type `int' was actually `signed int'.  */
 #define C_TYPEDEF_EXPLICITLY_SIGNED(exp) DECL_LANG_FLAG_1 ((exp))
@@ -124,6 +124,9 @@ struct lang_type
    without prototypes.  */
 #define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_NONCOPIED_PARTS (NODE)
 
+/* In a FIELD_DECL, nonzero if the decl was originally a bitfield.  */
+#define DECL_C_BIT_FIELD(NODE) DECL_LANG_FLAG_4 (NODE)
+
 /* Nonzero if the type T promotes to itself.
    ANSI C states explicitly the list of types that promote;
    in particular, short promotes to int even if they have the same width.  */
@@ -174,7 +177,7 @@ extern tree convert_and_check			PROTO((tree, tree));
 extern void overflow_warning			PROTO((tree));
 extern void unsigned_conversion_warning		PROTO((tree, tree));
 /* Read the rest of the current #-directive line.  */
-extern char *get_directive_line                 STDIO_PROTO((FILE *));
+extern char *get_directive_line                 PROTO((FILE *));
 /* Subroutine of build_binary_op, used for comparison operations.
    See if the operands have both been converted from subword integer types
    and, if so, perhaps change them both back to their original type.  */
@@ -285,12 +288,9 @@ extern void pending_xref_error                  PROTO((void));
 extern void pop_c_function_context              PROTO((void));
 extern void pop_label_level                     PROTO((void));
 extern tree poplevel                            PROTO((int, int, int));
-extern void print_lang_decl                     STDIO_PROTO((FILE *, tree,
-							     int));
-extern void print_lang_identifier               STDIO_PROTO((FILE *, tree,
-							     int));
-extern void print_lang_type                     STDIO_PROTO((FILE *, tree,
-							     int));
+extern void print_lang_decl                     PROTO((FILE *, tree, int));
+extern void print_lang_identifier               PROTO((FILE *, tree, int));
+extern void print_lang_type                     PROTO((FILE *, tree, int));
 extern void push_c_function_context             PROTO((void));
 extern void push_label_level                    PROTO((void));
 extern void push_parm_decl                      PROTO((tree));
@@ -382,6 +382,11 @@ extern int current_function_returns_value;
 
 extern int current_function_returns_null;
 
+/* Nonzero means the expression being parsed will never be evaluated.
+   This is a count, since unevaluated expressions can nest.  */
+
+extern int skip_evaluation;
+
 /* Nonzero means `$' can be in an identifier.  */
 
 extern int dollars_in_ident;
@@ -395,6 +400,10 @@ extern int flag_cond_mismatch;
 
 extern int flag_no_asm;
 
+/* Nonzero means environment is hosted (i.e., not freestanding) */
+
+extern int flag_hosted;
+
 /* Nonzero means ignore `#ident' directives.  */
 
 extern int flag_no_ident;
@@ -458,6 +467,10 @@ extern int warn_char_subscripts;
 
 extern int warn_conversion;
 
+/* Warn if main is suspicious. */
+
+extern int warn_main;
+
 /* Nonzero means do some things the same way PCC does.  */
 
 extern int flag_traditional;
@@ -474,6 +487,10 @@ extern int warn_parentheses;
 
 extern int warn_missing_braces;
 
+/* Warn about comparison of signed and unsigned values.  */
+
+extern int warn_sign_compare;
+
 /* Nonzero means this is a function to call to perform comptypes
    on two record types.  */