/* Interface to C preprocessor macro expansion for GDB.
- Copyright (C) 2002, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2002-2020 Free Software Foundation, Inc.
Contributed by Red Hat, Inc.
This file is part of GDB.
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
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
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 */