/* C language support routines for GDB, the GNU debugger.
- Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002
+ Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2003, 2004
Free Software Foundation, Inc.
This file is part of GDB.
#include "valprint.h"
#include "macroscope.h"
#include "gdb_assert.h"
+#include "charset.h"
+#include "gdb_string.h"
+#include "demangle.h"
+#include "cp-support.h"
extern void _initialize_c_language (void);
static void c_emit_char (int c, struct ui_file * stream, int quoter);
characters and strings is language specific. */
static void
-c_emit_char (register int c, struct ui_file *stream, int quoter)
+c_emit_char (int c, struct ui_file *stream, int quoter)
{
+ const char *escape;
+ int host_char;
+
c &= 0xFF; /* Avoid sign bit follies */
- if (PRINT_LITERAL_FORM (c))
+ escape = c_target_char_has_backslash_escape (c);
+ if (escape)
{
- if (c == '\\' || c == quoter)
- {
- fputs_filtered ("\\", stream);
- }
- fprintf_filtered (stream, "%c", c);
+ if (quoter == '"' && strcmp (escape, "0") == 0)
+ /* Print nulls embedded in double quoted strings as \000 to
+ prevent ambiguity. */
+ fprintf_filtered (stream, "\\000");
+ else
+ fprintf_filtered (stream, "\\%s", escape);
}
- else
+ else if (target_char_to_host (c, &host_char)
+ && host_char_print_literally (host_char))
{
- switch (c)
- {
- case '\n':
- fputs_filtered ("\\n", stream);
- break;
- case '\b':
- fputs_filtered ("\\b", stream);
- break;
- case '\t':
- fputs_filtered ("\\t", stream);
- break;
- case '\f':
- fputs_filtered ("\\f", stream);
- break;
- case '\r':
- fputs_filtered ("\\r", stream);
- break;
- case '\013':
- fputs_filtered ("\\v", stream);
- break;
- case '\033':
- fputs_filtered ("\\e", stream);
- break;
- case '\007':
- fputs_filtered ("\\a", stream);
- break;
- case '\0':
- if (quoter == '\'')
- fputs_filtered ("\\0", stream);
- else
- fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
- break;
- default:
- fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
- break;
- }
+ if (host_char == '\\' || host_char == quoter)
+ fputs_filtered ("\\", stream);
+ fprintf_filtered (stream, "%c", host_char);
}
+ else
+ fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
}
void
c_printstr (struct ui_file *stream, char *string, unsigned int length,
int width, int force_ellipses)
{
- register unsigned int i;
+ unsigned int i;
unsigned int things_printed = 0;
int in_quotes = 0;
int need_comma = 0;
- extern int inspect_it;
/* If the string was not truncated due to `set print elements', and
the last byte of it is a null, we don't print that, in traditional C
struct type *
c_create_fundamental_type (struct objfile *objfile, int typeid)
{
- register struct type *type = NULL;
+ struct type *type = NULL;
switch (typeid)
{
range_check_off,
type_check_off,
case_sensitive_on,
+ &exp_descriptor_standard,
c_preprocess_and_parse,
c_error,
- evaluate_subexp_standard,
c_printchar, /* Print a character constant */
c_printstr, /* Function to print string constant */
c_emit_char, /* Print a single char */
c_print_type, /* Print a type using appropriate syntax */
c_val_print, /* Print a value using appropriate syntax */
c_value_print, /* Print a top-level value */
+ NULL, /* Language specific skip_trampoline */
+ NULL, /* value_of_this */
+ basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
+ basic_lookup_transparent_type,/* lookup_transparent_type */
+ NULL, /* Language specific symbol demangler */
{"", "", "", ""}, /* Binary format info */
{"0%lo", "0", "o", ""}, /* Octal format info */
{"%ld", "", "d", ""}, /* Decimal format info */
1, /* c-style arrays */
0, /* String lower bound */
&builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
LANG_MAGIC
};
range_check_off,
type_check_off,
case_sensitive_on,
+ &exp_descriptor_standard,
c_preprocess_and_parse,
c_error,
- evaluate_subexp_standard,
c_printchar, /* Print a character constant */
c_printstr, /* Function to print string constant */
c_emit_char, /* Print a single char */
c_print_type, /* Print a type using appropriate syntax */
c_val_print, /* Print a value using appropriate syntax */
c_value_print, /* Print a top-level value */
+ NULL, /* Language specific skip_trampoline */
+ value_of_this, /* value_of_this */
+ cp_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
+ cp_lookup_transparent_type, /* lookup_transparent_type */
+ cplus_demangle, /* Language specific symbol demangler */
{"", "", "", ""}, /* Binary format info */
{"0%lo", "0", "o", ""}, /* Octal format info */
{"%ld", "", "d", ""}, /* Decimal format info */
1, /* c-style arrays */
0, /* String lower bound */
&builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
LANG_MAGIC
};
range_check_off,
type_check_off,
case_sensitive_on,
+ &exp_descriptor_standard,
+ c_preprocess_and_parse,
+ c_error,
+ c_printchar, /* Print a character constant */
+ c_printstr, /* Function to print string constant */
+ c_emit_char, /* Print a single char */
+ c_create_fundamental_type, /* Create fundamental type in this language */
+ c_print_type, /* Print a type using appropriate syntax */
+ c_val_print, /* Print a value using appropriate syntax */
+ c_value_print, /* Print a top-level value */
+ NULL, /* Language specific skip_trampoline */
+ NULL, /* value_of_this */
+ basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
+ basic_lookup_transparent_type,/* lookup_transparent_type */
+ NULL, /* Language specific symbol demangler */
+ {"", "", "", ""}, /* Binary format info */
+ {"0%lo", "0", "o", ""}, /* Octal format info */
+ {"%ld", "", "d", ""}, /* Decimal format info */
+ {"0x%lx", "0x", "x", ""}, /* Hex format info */
+ c_op_print_tab, /* expression operators for printing */
+ 1, /* c-style arrays */
+ 0, /* String lower bound */
+ &builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
+ LANG_MAGIC
+};
+
+/* The following language_defn does not represent a real language.
+ It just provides a minimal support a-la-C that should allow users
+ to do some simple operations when debugging applications that use
+ a language currently not supported by GDB. */
+
+const struct language_defn minimal_language_defn =
+{
+ "minimal", /* Language name */
+ language_minimal,
+ c_builtin_types,
+ range_check_off,
+ type_check_off,
+ case_sensitive_on,
+ &exp_descriptor_standard,
c_preprocess_and_parse,
c_error,
- evaluate_subexp_standard,
c_printchar, /* Print a character constant */
c_printstr, /* Function to print string constant */
c_emit_char, /* Print a single char */
c_print_type, /* Print a type using appropriate syntax */
c_val_print, /* Print a value using appropriate syntax */
c_value_print, /* Print a top-level value */
+ NULL, /* Language specific skip_trampoline */
+ NULL, /* value_of_this */
+ basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
+ basic_lookup_transparent_type,/* lookup_transparent_type */
+ NULL, /* Language specific symbol demangler */
{"", "", "", ""}, /* Binary format info */
{"0%lo", "0", "o", ""}, /* Octal format info */
{"%ld", "", "d", ""}, /* Decimal format info */
1, /* c-style arrays */
0, /* String lower bound */
&builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
LANG_MAGIC
};
add_language (&c_language_defn);
add_language (&cplus_language_defn);
add_language (&asm_language_defn);
+ add_language (&minimal_language_defn);
}