#include "bfd.h"
#include "target.h"
#include "demangle.h"
+#include "expression.h"
+#include "language.h"
/* Prototypes for local functions */
-#if !defined (NO_MALLOC_CHECK)
+#if defined (NO_MMALLOC) || defined (NO_MMALLOC_CHECK)
+#else
static void
malloc_botch PARAMS ((void));
-#endif /* NO_MALLOC_CHECK */
+#endif /* NO_MMALLOC, etc */
static void
fatal_dump_core (); /* Can't prototype with <varargs.h> usage... */
static void
set_width_command PARAMS ((char *, int, struct cmd_list_element *));
-static void
-vfprintf_filtered PARAMS ((FILE *, char *, va_list));
-
/* If this definition isn't overridden by the header files, assume
that isatty and fileno exist on this system. */
#ifndef ISATTY
#else
error ("Quit (expect signal %d when inferior is resumed)", SIGINT);
#endif /* TIOCGPGRP */
+#else
+ error ("Quit");
#endif
}
+
+#ifdef __GO32__
+
+/* In the absence of signals, poll keyboard for a quit.
+ Called from #define QUIT pollquit() in xm-go32.h. */
+
+void
+pollquit()
+{
+ if (kbhit ())
+ {
+ int k = getkey ();
+ if (k == 1)
+ quit_flag = 1;
+ else if (k == 2)
+ immediate_quit = 1;
+ quit ();
+ }
+}
+
+#endif
+
/* Control C comes here */
void
}
}
\f
-/* Print the character C on STREAM as part of the contents
- of a literal string whose delimiter is QUOTER. */
+/* Print the character C on STREAM as part of the contents of a literal
+ string whose delimiter is QUOTER. Note that this routine should only
+ be call for printing things which are independent of the language
+ of the program being debugged. */
void
-printchar (c, stream, quoter)
+gdb_printchar (c, stream, quoter)
register int c;
FILE *stream;
int quoter;
wrap_pointer = wrap_buffer; /* Start it at the beginning */
}
+/* Wait, so the user can read what's on the screen. Prompt the user
+ to continue by pressing RETURN. */
+
static void
prompt_for_continue ()
{
char *ignore;
+ /* We must do this *before* we call gdb_readline, else it will eventually
+ call us -- thinking that we're trying to print beyond the end of the
+ screen. */
+ reinitialize_more_filter ();
+
immediate_quit++;
ignore = gdb_readline ("---Type <return> to continue---");
if (ignore)
free (ignore);
- chars_printed = lines_printed = 0;
immediate_quit--;
+
+ /* Now we have to do this again, so that GDB will know that it doesn't
+ need to save the ---Type <return>--- line at the top of the screen. */
+ reinitialize_more_filter ();
+
dont_repeat (); /* Forget prev cmd -- CR won't repeat it. */
}
}
}
+/* Ensure that whatever gets printed next, using the filtered output
+ commands, starts at the beginning of the line. I.E. if there is
+ any pending output for the current line, flush it and start a new
+ line. Otherwise do nothing. */
+
+void
+begin_line ()
+{
+ if (chars_printed > 0)
+ {
+ puts_filtered ("\n");
+ }
+}
+
/* Like fputs but pause after every screenful, and can wrap at points
other than the final character of a line.
Unlike fputs, fputs_filtered does not return a value.
}
}
-
-/* fputs_demangled is a variant of fputs_filtered that
- demangles g++ names.*/
-
-void
-fputs_demangled (linebuffer, stream, arg_mode)
- char *linebuffer;
- FILE *stream;
- int arg_mode;
-{
-#define SYMBOL_MAX 1024
-
-#define SYMBOL_CHAR(c) (isascii(c) \
- && (isalnum(c) || (c) == '_' || (c) == CPLUS_MARKER))
-
- char buf[SYMBOL_MAX+1];
-# define DMSLOP 5 /* How much room to leave in buf */
- char *p;
-
- if (linebuffer == NULL)
- return;
-
- /* If user wants to see raw output, no problem. */
- if (!demangle) {
- fputs_filtered (linebuffer, stream);
- return;
- }
-
- p = linebuffer;
-
- while ( *p != (char) 0 ) {
- int i = 0;
-
- /* collect non-interesting characters into buf */
- while (*p != (char) 0 && !SYMBOL_CHAR(*p) && i < (int)sizeof(buf)-DMSLOP ) {
- buf[i++] = *p;
- p++;
- }
- if (i > 0) {
- /* output the non-interesting characters without demangling */
- buf[i] = (char) 0;
- fputs_filtered(buf, stream);
- i = 0; /* reset buf */
- }
-
- /* and now the interesting characters */
- while (i < SYMBOL_MAX
- && *p != (char) 0
- && SYMBOL_CHAR(*p)
- && i < (int)sizeof(buf) - DMSLOP) {
- buf[i++] = *p;
- p++;
- }
- buf[i] = (char) 0;
- if (i > 0) {
- char * result;
-
- if ( (result = cplus_demangle(buf, arg_mode)) != NULL ) {
- fputs_filtered(result, stream);
- free(result);
- }
- else {
- fputs_filtered(buf, stream);
- }
- }
- }
-}
-
/* Print a variable number of ARGS using format FORMAT. If this
information is going to put the amount written (since the last call
- to INITIALIZE_MORE_FILTER or the last page break) over the page size,
+ to REINITIALIZE_MORE_FILTER or the last page break) over the page size,
print out a pause message and do a gdb_readline to get the users
permision to continue.
(since prompt_for_continue may do so) so this routine should not be
called when cleanups are not in place. */
-static void
+#define MIN_LINEBUF 255
+
+void
vfprintf_filtered (stream, format, args)
FILE *stream;
char *format;
va_list args;
{
- static char *linebuffer = (char *) 0;
- static int line_size;
+ char line_buf[MIN_LINEBUF+10];
+ char *linebuffer = line_buf;
int format_length;
format_length = strlen (format);
- /* Allocated linebuffer for the first time. */
- if (!linebuffer)
- {
- linebuffer = (char *) xmalloc (255);
- line_size = 255;
- }
-
/* Reallocate buffer to a larger size if this is necessary. */
- if (format_length * 2 > line_size)
+ if (format_length * 2 > MIN_LINEBUF)
{
- line_size = format_length * 2;
-
- /* You don't have to copy. */
- free (linebuffer);
- linebuffer = (char *) xmalloc (line_size);
+ linebuffer = alloca (10 + format_length * 2);
}
-
/* This won't blow up if the restrictions described above are
followed. */
vsprintf (linebuffer, format, args);
fputs_filtered (linebuffer, stream);
}
+void
+vprintf_filtered (format, args)
+ char *format;
+ va_list args;
+{
+ vfprintf_filtered (stdout, format, args);
+}
+
/* VARARGS */
void
fprintf_filtered (va_alist)
va_end (args);
}
-/* Easy */
+/* Easy -- but watch out!
+
+ This routine is *not* a replacement for puts()! puts() appends a newline.
+ This one doesn't, and had better not! */
void
puts_filtered (string)
\f
/* C++ demangler stuff. */
-/* Make a copy of a symbol, applying C++ demangling if demangling is enabled
- and a demangled version exists. Note that the value returned from
- cplus_demangle is already allocated in malloc'd memory. */
-
-char *
-strdup_demangled (name)
- const char *name;
-{
- char *demangled = NULL;
+/* fprintf_symbol_filtered attempts to demangle NAME, a symbol in language
+ LANG, using demangling args ARG_MODE, and print it filtered to STREAM.
+ If the name is not mangled, or the language for the name is unknown, or
+ demangling is off, the name is printed in its "raw" form. */
- if (demangle)
- {
- demangled = cplus_demangle (name, DMGL_PARAMS | DMGL_ANSI);
- }
- return ((demangled != NULL) ? demangled : strdup (name));
-}
-
-
-/* Print NAME on STREAM, demangling if necessary. */
void
-fprint_symbol (stream, name)
+fprintf_symbol_filtered (stream, name, lang, arg_mode)
FILE *stream;
char *name;
+ enum language lang;
+ int arg_mode;
{
char *demangled;
- if ((!demangle)
- || NULL == (demangled = cplus_demangle (name, DMGL_PARAMS | DMGL_ANSI)))
- fputs_filtered (name, stream);
- else
+
+ if (name != NULL)
{
- fputs_filtered (demangled, stream);
- free (demangled);
+ /* If user wants to see raw output, no problem. */
+ if (!demangle)
+ {
+ fputs_filtered (name, stream);
+ }
+ else
+ {
+ switch (lang)
+ {
+ case language_cplus:
+ demangled = cplus_demangle (name, arg_mode);
+ break;
+ case language_chill:
+ demangled = chill_demangle (name);
+ break;
+ default:
+ demangled = NULL;
+ break;
+ }
+ fputs_filtered (demangled ? demangled : name, stream);
+ if (demangled != NULL)
+ {
+ free (demangled);
+ }
+ }
}
}
don't (slightly different than strcmp()'s range of return values).
As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO".
- This "feature" is useful for demangle_and_match(), which is used
- when searching for matching C++ function names (such as if the
- user types 'break FOO', where FOO is a mangled C++ function). */
+ This "feature" is useful when searching for matching C++ function names
+ (such as if the user types 'break FOO', where FOO is a mangled C++
+ function). */
-static int
+int
strcmp_iw (string1, string2)
const char *string1;
const char *string2;
return (*string1 != '\0' && *string1 != '(') || (*string2 != '\0');
}
-/* Demangle NAME and compare the result with LOOKFOR, ignoring any differences
- in whitespace.
-
- If a match is found, returns a pointer to the demangled version of NAME
- in malloc'd memory, which needs to be freed by the caller after use.
- If a match is not found, returns NULL.
-
- OPTIONS is a flags word that controls the demangling process and is just
- passed on to the demangler.
-
- When the caller sees a non-NULL result, it knows that NAME is the mangled
- equivalent of LOOKFOR, and it can use either NAME, the "official demangled"
- version of NAME (the return value) or the "unofficial demangled" version
- of NAME (LOOKFOR, which it already knows). */
-
-char *
-demangle_and_match (name, lookfor, options)
- const char *name;
- const char *lookfor;
- int options;
-{
- char *demangled;
-
- if ((demangled = cplus_demangle (name, options)) != NULL)
- {
- if (strcmp_iw (demangled, lookfor) != 0)
- {
- free (demangled);
- demangled = NULL;
- }
- }
- return (demangled);
-}
-
\f
void
_initialize_utils ()
#ifdef SIGWINCH_HANDLER_BODY
SIGWINCH_HANDLER_BODY
#endif
+
projects / deliverable / binutils-gdb.git / blobdiff