gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / macroexp.h

diff --git a/gdb/macroexp.h b/gdb/macroexp.h
index 01b0fe84a57468691eee219235ac1b1c53f6edf6..bbb0ecd109bf6184a86a202a2bee1fa933991b4a 100644 (file)
--- a/gdb/macroexp.h
+++ b/gdb/macroexp.h
@@ -1,5 +1,5 @@
 /* Interface to C preprocessor macro expansion for GDB.
-   Copyright (C) 2002, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    Contributed by Red Hat, Inc.
 
    This file is part of GDB.
@@ -37,9 +37,9 @@ typedef struct macro_definition *(macro_lookup_ftype) (const char *name,
    preprocessor definitions.  SOURCE is a null-terminated string.  The
    result is a null-terminated string, allocated using xmalloc; it is
    the caller's responsibility to free it.  */
-char *macro_expand (const char *source,
-                    macro_lookup_ftype *lookup_func,
-                    void *lookup_func_baton);
+gdb::unique_xmalloc_ptr<char> macro_expand (const char *source,
+                                           macro_lookup_ftype *lookup_func,
+                                           void *lookup_func_baton);
 
 
 /* Expand all preprocessor macro references that appear explicitly in
@@ -49,9 +49,9 @@ char *macro_expand (const char *source,
    SOURCE is a null-terminated string.  The result is a
    null-terminated string, allocated using xmalloc; it is the caller's
    responsibility to free it.  */
-char *macro_expand_once (const char *source,
-                         macro_lookup_ftype *lookup_func,
-                         void *lookup_func_baton);
+gdb::unique_xmalloc_ptr<char> macro_expand_once (const char *source,
+                                                macro_lookup_ftype *lookup_func,
+                                                void *lookup_func_baton);
 
 
 /* If the null-terminated string pointed to by *LEXPTR begins with a
@@ -80,9 +80,20 @@ char *macro_expand_once (const char *source,
    much have to do tokenization to find the end of the string that
    needs to be macro-expanded.  Our C/C++ tokenizer isn't really
    designed to be called by anything but the yacc parser engine.  */
-char *macro_expand_next (char **lexptr,
+char *macro_expand_next (const char **lexptr,
                          macro_lookup_ftype *lookup_func,
                          void *lookup_baton);
 
+/* Functions to classify characters according to cpp rules.  */
+
+int macro_is_whitespace (int c);
+int macro_is_identifier_nondigit (int c);
+int macro_is_digit (int c);
+
+
+/* Stringify STR according to C rules and return an xmalloc'd pointer
+   to the result.  */
+
+char *macro_stringify (const char *str);
 
 #endif /* MACROEXP_H */