/* Pascal language support routines for GDB, the GNU debugger.
- Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002-2005, 2007-2012 Free Software Foundation,
+ Inc.
This file is part of GDB.
#include "valprint.h"
#include "value.h"
#include <ctype.h>
-
+
extern void _initialize_pascal_language (void);
/* All GPC versions until now (2007-09-27) also define a symbol called
- '_p_initialize'. Check for the presence of this symbol first. */
+ '_p_initialize'. Check for the presence of this symbol first. */
static const char GPC_P_INITIALIZE[] = "_p_initialize";
/* The name of the symbol that GPC uses as the name of the main
so that it finds the even if the program was compiled
without debugging information.
According to information supplied by Waldeck Hebisch,
- this should work for all versions posterior to June 2000. */
+ this should work for all versions posterior to June 2000. */
const char *
pascal_main_name (void)
is_pascal_string_type (struct type *type,int *length_pos,
int *length_size, int *string_pos,
struct type **char_type,
- char **arrayname)
+ const char **arrayname)
{
- if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
+ if (type != NULL && TYPE_CODE (type) == TYPE_CODE_STRUCT)
{
/* Old Borland type pascal strings from Free Pascal Compiler. */
/* Two fields: length and st. */
- if (TYPE_NFIELDS (type) == 2
- && strcmp (TYPE_FIELDS (type)[0].name, "length") == 0
- && strcmp (TYPE_FIELDS (type)[1].name, "st") == 0)
+ if (TYPE_NFIELDS (type) == 2
+ && TYPE_FIELD_NAME (type, 0)
+ && strcmp (TYPE_FIELD_NAME (type, 0), "length") == 0
+ && TYPE_FIELD_NAME (type, 1)
+ && strcmp (TYPE_FIELD_NAME (type, 1), "st") == 0)
{
if (length_pos)
*length_pos = TYPE_FIELD_BITPOS (type, 0) / TARGET_CHAR_BIT;
if (char_type)
*char_type = TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (type, 1));
if (arrayname)
- *arrayname = TYPE_FIELDS (type)[1].name;
+ *arrayname = TYPE_FIELD_NAME (type, 1);
return 2;
};
/* GNU pascal strings. */
/* Three fields: Capacity, length and schema$ or _p_schema. */
if (TYPE_NFIELDS (type) == 3
- && strcmp (TYPE_FIELDS (type)[0].name, "Capacity") == 0
- && strcmp (TYPE_FIELDS (type)[1].name, "length") == 0)
+ && TYPE_FIELD_NAME (type, 0)
+ && strcmp (TYPE_FIELD_NAME (type, 0), "Capacity") == 0
+ && TYPE_FIELD_NAME (type, 1)
+ && strcmp (TYPE_FIELD_NAME (type, 1), "length") == 0)
{
if (length_pos)
*length_pos = TYPE_FIELD_BITPOS (type, 1) / TARGET_CHAR_BIT;
*length_size = TYPE_LENGTH (TYPE_FIELD_TYPE (type, 1));
if (string_pos)
*string_pos = TYPE_FIELD_BITPOS (type, 2) / TARGET_CHAR_BIT;
- /* FIXME: how can I detect wide chars in GPC ?? */
+ /* FIXME: how can I detect wide chars in GPC ?? */
if (char_type)
{
*char_type = TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (type, 2));
+
if (TYPE_CODE (*char_type) == TYPE_CODE_ARRAY)
*char_type = TYPE_TARGET_TYPE (*char_type);
}
if (arrayname)
- *arrayname = TYPE_FIELDS (type)[2].name;
+ *arrayname = TYPE_FIELD_NAME (type, 2);
return 3;
};
}
/* Print the character C on STREAM as part of the contents of a literal
string.
- In_quotes is reset to 0 if a char is written with #4 notation */
+ In_quotes is reset to 0 if a char is written with #4 notation. */
static void
pascal_one_char (int c, struct ui_file *stream, int *in_quotes)
{
-
- c &= 0xFF; /* Avoid sign bit follies */
-
- if ((c == '\'') || (PRINT_LITERAL_FORM (c)))
+ if (c == '\'' || ((unsigned int) c <= 0xff && (PRINT_LITERAL_FORM (c))))
{
if (!(*in_quotes))
fputs_filtered ("'", stream);
/* Print the character C on STREAM as part of the contents of a literal
string whose delimiter is QUOTER. Note that that format for printing
- characters and strings is language specific. */
+ characters and strings is language specific. */
static void
pascal_emit_char (int c, struct type *type, struct ui_file *stream, int quoter)
{
int in_quotes = 0;
+
pascal_one_char (c, stream, &in_quotes);
if (in_quotes)
fputs_filtered ("'", stream);
pascal_printchar (int c, struct type *type, struct ui_file *stream)
{
int in_quotes = 0;
+
pascal_one_char (c, stream, &in_quotes);
if (in_quotes)
fputs_filtered ("'", stream);
unsigned int things_printed = 0;
int in_quotes = 0;
int need_comma = 0;
- int width = TYPE_LENGTH (type);
+ int width;
+
+ /* Preserve TYPE's original type, just set its LENGTH. */
+ check_typedef (type);
+ width = TYPE_LENGTH (type);
/* 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
rep1 = i + 1;
reps = 1;
- while (rep1 < length
+ while (rep1 < length
&& extract_unsigned_integer (string + rep1 * width, width,
byte_order) == current_char)
{
struct language_arch_info *lai)
{
const struct builtin_type *builtin = builtin_type (gdbarch);
+
lai->string_char_type = builtin->builtin_char;
lai->primitive_type_vector
= GDBARCH_OBSTACK_CALLOC (gdbarch, nr_pascal_primitive_types + 1,
pascal_print_typedef, /* Print a typedef using appropriate syntax */
pascal_val_print, /* Print a value using appropriate syntax */
pascal_value_print, /* Print a top-level value */
+ default_read_var_value, /* la_read_var_value */
NULL, /* Language specific skip_trampoline */
"this", /* name_of_this */
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
default_print_array_index,
default_pass_by_reference,
default_get_string,
+ NULL, /* la_get_symbol_name_cmp */
+ iterate_over_symbols,
LANG_MAGIC
};
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