| /* Output generating routines for GDB CLI. |
| Copyright 1999, 2000 Free Software Foundation, Inc. |
| Contributed by Cygnus Solutions. |
| Written by Fernando Nasser for Cygnus. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include "defs.h" |
| #include "ui-out.h" |
| #include "cli-out.h" |
| #include "gdb_string.h" |
| #include "gdb_assert.h" |
| |
| /* Convenience macro for allocting typesafe memory. */ |
| |
| #ifndef XMALLOC |
| #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE)) |
| #endif |
| |
| struct ui_out_data |
| { |
| struct ui_file *stream; |
| int suppress_output; |
| }; |
| |
| /* These are the CLI output functions */ |
| |
| static void cli_table_begin (struct ui_out *uiout, int nbrofcols, |
| int nr_rows, const char *tblid); |
| static void cli_table_body (struct ui_out *uiout); |
| static void cli_table_end (struct ui_out *uiout); |
| static void cli_table_header (struct ui_out *uiout, int width, |
| enum ui_align alig, const char *col_name, |
| const char *colhdr); |
| static void cli_begin (struct ui_out *uiout, enum ui_out_type type, |
| int level, const char *lstid); |
| static void cli_end (struct ui_out *uiout, enum ui_out_type type, int level); |
| static void cli_field_int (struct ui_out *uiout, int fldno, int width, |
| enum ui_align alig, const char *fldname, int value); |
| static void cli_field_skip (struct ui_out *uiout, int fldno, int width, |
| enum ui_align alig, const char *fldname); |
| static void cli_field_string (struct ui_out *uiout, int fldno, int width, |
| enum ui_align alig, const char *fldname, |
| const char *string); |
| static void cli_field_fmt (struct ui_out *uiout, int fldno, |
| int width, enum ui_align align, |
| const char *fldname, const char *format, |
| va_list args); |
| static void cli_spaces (struct ui_out *uiout, int numspaces); |
| static void cli_text (struct ui_out *uiout, const char *string); |
| static void cli_message (struct ui_out *uiout, int verbosity, |
| const char *format, va_list args); |
| static void cli_wrap_hint (struct ui_out *uiout, char *identstring); |
| static void cli_flush (struct ui_out *uiout); |
| |
| /* This is the CLI ui-out implementation functions vector */ |
| |
| /* FIXME: This can be initialized dynamically after default is set to |
| handle initial output in main.c */ |
| |
| static struct ui_out_impl cli_ui_out_impl = |
| { |
| cli_table_begin, |
| cli_table_body, |
| cli_table_end, |
| cli_table_header, |
| cli_begin, |
| cli_end, |
| cli_field_int, |
| cli_field_skip, |
| cli_field_string, |
| cli_field_fmt, |
| cli_spaces, |
| cli_text, |
| cli_message, |
| cli_wrap_hint, |
| cli_flush, |
| 0, /* Does not need MI hacks (i.e. needs CLI hacks). */ |
| }; |
| |
| /* Prototypes for local functions */ |
| |
| extern void _initialize_cli_out (void); |
| |
| static void field_separator (void); |
| |
| static void out_field_fmt (struct ui_out *uiout, int fldno, |
| const char *fldname, |
| const char *format,...); |
| |
| /* local variables */ |
| |
| /* (none yet) */ |
| |
| /* Mark beginning of a table */ |
| |
| void |
| cli_table_begin (struct ui_out *uiout, int nbrofcols, |
| int nr_rows, |
| const char *tblid) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (nr_rows == 0) |
| data->suppress_output = 1; |
| else |
| /* Only the table suppresses the output and, fortunatly, a table |
| is not a recursive data structure. */ |
| gdb_assert (data->suppress_output == 0); |
| } |
| |
| /* Mark beginning of a table body */ |
| |
| void |
| cli_table_body (struct ui_out *uiout) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->suppress_output) |
| return; |
| /* first, close the table header line */ |
| cli_text (uiout, "\n"); |
| } |
| |
| /* Mark end of a table */ |
| |
| void |
| cli_table_end (struct ui_out *uiout) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| data->suppress_output = 0; |
| } |
| |
| /* Specify table header */ |
| |
| void |
| cli_table_header (struct ui_out *uiout, int width, enum ui_align alignment, |
| const char *col_name, |
| const char *colhdr) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->suppress_output) |
| return; |
| cli_field_string (uiout, 0, width, alignment, 0, colhdr); |
| } |
| |
| /* Mark beginning of a list */ |
| |
| void |
| cli_begin (struct ui_out *uiout, |
| enum ui_out_type type, |
| int level, |
| const char *id) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->suppress_output) |
| return; |
| } |
| |
| /* Mark end of a list */ |
| |
| void |
| cli_end (struct ui_out *uiout, |
| enum ui_out_type type, |
| int level) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->suppress_output) |
| return; |
| } |
| |
| /* output an int field */ |
| |
| void |
| cli_field_int (struct ui_out *uiout, int fldno, int width, |
| enum ui_align alignment, |
| const char *fldname, int value) |
| { |
| char buffer[20]; /* FIXME: how many chars long a %d can become? */ |
| |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->suppress_output) |
| return; |
| sprintf (buffer, "%d", value); |
| cli_field_string (uiout, fldno, width, alignment, fldname, buffer); |
| } |
| |
| /* used to ommit a field */ |
| |
| void |
| cli_field_skip (struct ui_out *uiout, int fldno, int width, |
| enum ui_align alignment, |
| const char *fldname) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->suppress_output) |
| return; |
| cli_field_string (uiout, fldno, width, alignment, fldname, ""); |
| } |
| |
| /* other specific cli_field_* end up here so alignment and field |
| separators are both handled by cli_field_string */ |
| |
| void |
| cli_field_string (struct ui_out *uiout, |
| int fldno, |
| int width, |
| enum ui_align align, |
| const char *fldname, |
| const char *string) |
| { |
| int before = 0; |
| int after = 0; |
| |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->suppress_output) |
| return; |
| |
| if ((align != ui_noalign) && string) |
| { |
| before = width - strlen (string); |
| if (before <= 0) |
| before = 0; |
| else |
| { |
| if (align == ui_right) |
| after = 0; |
| else if (align == ui_left) |
| { |
| after = before; |
| before = 0; |
| } |
| else |
| /* ui_center */ |
| { |
| after = before / 2; |
| before -= after; |
| } |
| } |
| } |
| |
| if (before) |
| ui_out_spaces (uiout, before); |
| if (string) |
| out_field_fmt (uiout, fldno, fldname, "%s", string); |
| if (after) |
| ui_out_spaces (uiout, after); |
| |
| if (align != ui_noalign) |
| field_separator (); |
| } |
| |
| /* This is the only field function that does not align */ |
| |
| void |
| cli_field_fmt (struct ui_out *uiout, int fldno, |
| int width, enum ui_align align, |
| const char *fldname, |
| const char *format, |
| va_list args) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->suppress_output) |
| return; |
| |
| vfprintf_filtered (data->stream, format, args); |
| |
| if (align != ui_noalign) |
| field_separator (); |
| } |
| |
| void |
| cli_spaces (struct ui_out *uiout, int numspaces) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->suppress_output) |
| return; |
| print_spaces_filtered (numspaces, data->stream); |
| } |
| |
| void |
| cli_text (struct ui_out *uiout, const char *string) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->suppress_output) |
| return; |
| fputs_filtered (string, data->stream); |
| } |
| |
| void |
| cli_message (struct ui_out *uiout, int verbosity, |
| const char *format, va_list args) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->suppress_output) |
| return; |
| if (ui_out_get_verblvl (uiout) >= verbosity) |
| vfprintf_unfiltered (data->stream, format, args); |
| } |
| |
| void |
| cli_wrap_hint (struct ui_out *uiout, char *identstring) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->suppress_output) |
| return; |
| wrap_here (identstring); |
| } |
| |
| void |
| cli_flush (struct ui_out *uiout) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| gdb_flush (data->stream); |
| } |
| |
| /* local functions */ |
| |
| /* Like cli_field_fmt, but takes a variable number of args |
| and makes a va_list and does not insert a separator */ |
| |
| /* VARARGS */ |
| static void |
| out_field_fmt (struct ui_out *uiout, int fldno, |
| const char *fldname, |
| const char *format,...) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| va_list args; |
| |
| va_start (args, format); |
| vfprintf_filtered (data->stream, format, args); |
| |
| va_end (args); |
| } |
| |
| /* access to ui_out format private members */ |
| |
| static void |
| field_separator (void) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| fputc_filtered (' ', data->stream); |
| } |
| |
| /* initalize private members at startup */ |
| |
| struct ui_out * |
| cli_out_new (struct ui_file *stream) |
| { |
| int flags = ui_source_list; |
| |
| struct ui_out_data *data = XMALLOC (struct ui_out_data); |
| data->stream = stream; |
| data->suppress_output = 0; |
| return ui_out_new (&cli_ui_out_impl, data, flags); |
| } |
| |
| /* standard gdb initialization hook */ |
| void |
| _initialize_cli_out (void) |
| { |
| /* nothing needs to be done */ |
| } |