2009-02-05 Thiago Jung Bauermann <bauerman@br.ibm.com>

	* language.h (language_dfn): Add la_get_string member.
	(LA_GET_STRING): New macro.
	(default_get_string): New prototype.
	* language.c (default_get_string): New function.
	(unknown_language_defn, auto_language_defn, local_language_defn): Use
	default_get_string for la_get_string.
	* c-lang.c (c_get_string): New function.
	(c_language_defn, cplus_language_defn, asm_language_defn): Use
	c_get_string for la_get_string.
	(minimal_language_defn): Likewise
	* ada-lang.c (ada_language_defn): Likewise.
	* f-lang.c (f_language_defn): Use default_get_string for
	la_get_string.
	* jv-lang.c (java_language_defn): Likewise.
	* m2-lang.c (m2_language_defn): Likewise.
	* objc-lang.c (objc_language_defn): Likewise.
	* p-lang.c (p_language_defn): Likewise.
	* scm-lang.c (scm_language_defn): Likewise.
	* typeprint.c (type_to_string): New function.
	* value.h (type_to_string): New prototype.
	* valprint.c (val_print_string): Factor out code for reading string
	from the inferior into its own function.  Put 2 spaces after period
	in comments.
	(read_string): New function.
	* valprint.h (read_string): New prototype.

1 files changed, 16 insertions, 0 deletions

diff --git a/gdb/language.h b/gdb/language.h
index e7dd01e..85826fd 100644
--- a/gdb/language.h
+++ b/gdb/language.h
@@ -282,6 +282,14 @@ struct language_defn
        reference at the language level.  */
     int (*la_pass_by_reference) (struct type *type);
 
+    /* Obtain a string from the inferior, storing it in a newly allocated
+       buffer in BUFFER, which should be freed by the caller.  LENGTH will
+       hold the size in bytes of the string (only actual characters, excluding
+       an eventual terminating null character).  CHARSET will hold the encoding
+       used in the string.  */
+    void (*la_get_string) (struct value *value, gdb_byte **buffer, int *length,
+			  const char **charset);
+
     /* Add fields above this point, so the magic number is always last. */
     /* Magic number for compat checking */
 
@@ -380,6 +388,8 @@ extern enum language set_language (enum language);
 				 force_ellipses,options))
 #define LA_EMIT_CHAR(ch, stream, quoter) \
   (current_language->la_emitchar(ch, stream, quoter))
+#define LA_GET_STRING(value, buffer, length, encoding) \
+  (current_language->la_get_string(value, buffer, length, encoding))
 
 #define LA_PRINT_ARRAY_INDEX(index_value, stream, optins) \
   (current_language->la_print_array_index(index_value, stream, options))
@@ -489,4 +499,10 @@ int default_pass_by_reference (struct type *type);
 void default_print_typedef (struct type *type, struct symbol *new_symbol,
 			    struct ui_file *stream);
 
+void default_get_string (struct value *value, gdb_byte **buffer, int *length,
+			 const char **charset);
+
+void c_get_string (struct value *value, gdb_byte **buffer, int *length,
+		   const char **charset);
+
 #endif /* defined (LANGUAGE_H) */