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Diffstat (limited to 'contrib/gdb/gdb/ui-out.c')
| -rw-r--r-- | contrib/gdb/gdb/ui-out.c | 1147 |
1 files changed, 1147 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/ui-out.c b/contrib/gdb/gdb/ui-out.c new file mode 100644 index 0000000..06db646 --- /dev/null +++ b/contrib/gdb/gdb/ui-out.c @@ -0,0 +1,1147 @@ +/* Output generating routines for GDB. + Copyright 1999, 2000, 2001 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 "gdb_string.h" +#include "expression.h" /* For language.h */ +#include "language.h" +#include "ui-out.h" +#include "gdb_assert.h" + +/* Convenience macro for allocting typesafe memory. */ + +#undef XMALLOC +#define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE)) + +/* table header structures */ + +struct ui_out_hdr + { + int colno; + int width; + int alignment; + char *col_name; + char *colhdr; + struct ui_out_hdr *next; + }; + +/* Maintain a stack so that the info applicable to the inner most list + is always available. Stack/nested level 0 is reserved for the + top-level result. */ + +enum { MAX_UI_OUT_LEVELS = 5 }; + +struct ui_out_level + { + /* Count each field; the first element is for non-list fields */ + int field_count; + /* The type of this level. */ + enum ui_out_type type; + }; + +/* Tables are special. Maintain a separate structure that tracks + their state. At present an output can only contain a single table + but that restriction might eventually be lifted. */ + +struct ui_out_table +{ + /* If on, a table is being generated. */ + int flag; + + /* If on, the body of a table is being generated. If off, the table + header is being generated. */ + int body_flag; + + /* The level at which each entry of the table is to be found. A row + (a tuple) is made up of entries. Consequently ENTRY_LEVEL is one + above that of the table. */ + int entry_level; + + /* Number of table columns (as specified in the table_begin call). */ + int columns; + + /* String identifying the table (as specified in the table_begin + call). */ + char *id; + + /* Points to the first table header (if any). */ + struct ui_out_hdr *header_first; + + /* Points to the last table header (if any). */ + struct ui_out_hdr *header_last; + + /* Points to header of NEXT column to format. */ + struct ui_out_hdr *header_next; + +}; + + +/* The ui_out structure */ +/* Any change here requires a corresponding one in the initialization + of the default uiout, which is statically initialized */ + +struct ui_out + { + int flags; + /* specific implementation of ui-out */ + struct ui_out_impl *impl; + struct ui_out_data *data; + + /* Sub structure tracking the ui-out depth. */ + int level; + struct ui_out_level levels[MAX_UI_OUT_LEVELS]; + + /* A table, if any. At present only a single table is supported. */ + struct ui_out_table table; + }; + +/* The current (inner most) level. */ +static struct ui_out_level * +current_level (struct ui_out *uiout) +{ + return &uiout->levels[uiout->level]; +} + +/* Create a new level, of TYPE. Return the new level's index. */ +static int +push_level (struct ui_out *uiout, + enum ui_out_type type, + const char *id) +{ + struct ui_out_level *current; + /* We had better not overflow the buffer. */ + uiout->level++; + gdb_assert (uiout->level >= 0 && uiout->level < MAX_UI_OUT_LEVELS); + current = current_level (uiout); + current->field_count = 0; + current->type = type; + return uiout->level; +} + +/* Discard the current level, return the discarded level's index. + TYPE is the type of the level being discarded. */ +static int +pop_level (struct ui_out *uiout, + enum ui_out_type type) +{ + /* We had better not underflow the buffer. */ + gdb_assert (uiout->level > 0 && uiout->level < MAX_UI_OUT_LEVELS); + gdb_assert (current_level (uiout)->type == type); + uiout->level--; + return uiout->level + 1; +} + + +/* These are the default implementation functions */ + +static void default_table_begin (struct ui_out *uiout, int nbrofcols, + int nr_rows, const char *tblid); +static void default_table_body (struct ui_out *uiout); +static void default_table_end (struct ui_out *uiout); +static void default_table_header (struct ui_out *uiout, int width, + enum ui_align alig, const char *col_name, + const char *colhdr); +static void default_begin (struct ui_out *uiout, + enum ui_out_type type, + int level, const char *id); +static void default_end (struct ui_out *uiout, + enum ui_out_type type, + int level); +static void default_field_int (struct ui_out *uiout, int fldno, int width, + enum ui_align alig, + const char *fldname, + int value); +static void default_field_skip (struct ui_out *uiout, int fldno, int width, + enum ui_align alig, + const char *fldname); +static void default_field_string (struct ui_out *uiout, int fldno, int width, + enum ui_align align, + const char *fldname, + const char *string); +static void default_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 default_spaces (struct ui_out *uiout, int numspaces); +static void default_text (struct ui_out *uiout, const char *string); +static void default_message (struct ui_out *uiout, int verbosity, + const char *format, + va_list args); +static void default_wrap_hint (struct ui_out *uiout, char *identstring); +static void default_flush (struct ui_out *uiout); + +/* This is the default ui-out implementation functions vector */ + +struct ui_out_impl default_ui_out_impl = +{ + default_table_begin, + default_table_body, + default_table_end, + default_table_header, + default_begin, + default_end, + default_field_int, + default_field_skip, + default_field_string, + default_field_fmt, + default_spaces, + default_text, + default_message, + default_wrap_hint, + default_flush, + 0, /* Does not need MI hacks. */ +}; + +/* The default ui_out */ + +struct ui_out def_uiout = +{ + 0, /* flags */ + &default_ui_out_impl, /* impl */ +}; + +/* Pointer to current ui_out */ +/* FIXME: This should not be a global, but something passed down from main.c + or top.c */ + +struct ui_out *uiout = &def_uiout; + +/* These are the interfaces to implementation functions */ + +static void uo_table_begin (struct ui_out *uiout, int nbrofcols, + int nr_rows, const char *tblid); +static void uo_table_body (struct ui_out *uiout); +static void uo_table_end (struct ui_out *uiout); +static void uo_table_header (struct ui_out *uiout, int width, + enum ui_align align, const char *col_name, + const char *colhdr); +static void uo_begin (struct ui_out *uiout, + enum ui_out_type type, + int level, const char *id); +static void uo_end (struct ui_out *uiout, + enum ui_out_type type, + int level); +static void uo_field_int (struct ui_out *uiout, int fldno, int width, + enum ui_align align, const char *fldname, int value); +static void uo_field_skip (struct ui_out *uiout, int fldno, int width, + enum ui_align align, const char *fldname); +static void uo_field_string (struct ui_out *uiout, int fldno, int width, + enum ui_align align, const char *fldname, + const char *string); +static void uo_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 uo_spaces (struct ui_out *uiout, int numspaces); +static void uo_text (struct ui_out *uiout, const char *string); +static void uo_message (struct ui_out *uiout, int verbosity, + const char *format, va_list args); +static void uo_wrap_hint (struct ui_out *uiout, char *identstring); +static void uo_flush (struct ui_out *uiout); + +/* Prototypes for local functions */ + +extern void _initialize_ui_out (void); +static void append_header_to_list (struct ui_out *uiout, int width, + int alignment, const char *col_name, + const char *colhdr); +static int get_next_header (struct ui_out *uiout, int *colno, int *width, + int *alignment, char **colhdr); +static void clear_header_list (struct ui_out *uiout); +static void verify_field (struct ui_out *uiout, int *fldno, int *width, + int *align); + +static void init_ui_out_state (struct ui_out *uiout); + +/* exported functions (ui_out API) */ + +/* Mark beginning of a table */ + +void +ui_out_table_begin (struct ui_out *uiout, int nbrofcols, + int nr_rows, + const char *tblid) +{ + if (uiout->table.flag) + internal_error (__FILE__, __LINE__, + "tables cannot be nested; table_begin found before \ +previous table_end."); + + uiout->table.flag = 1; + uiout->table.body_flag = 0; + uiout->table.entry_level = uiout->level + 1; + uiout->table.columns = nbrofcols; + if (tblid != NULL) + uiout->table.id = xstrdup (tblid); + else + uiout->table.id = NULL; + clear_header_list (uiout); + + uo_table_begin (uiout, nbrofcols, nr_rows, uiout->table.id); +} + +void +ui_out_table_body (struct ui_out *uiout) +{ + if (!uiout->table.flag) + internal_error (__FILE__, __LINE__, + "table_body outside a table is not valid; it must be \ +after a table_begin and before a table_end."); + if (uiout->table.body_flag) + internal_error (__FILE__, __LINE__, + "extra table_body call not allowed; there must be \ +only one table_body after a table_begin and before a table_end."); + if (uiout->table.header_next->colno != uiout->table.columns) + internal_error (__FILE__, __LINE__, + "number of headers differ from number of table \ +columns."); + + uiout->table.body_flag = 1; + uiout->table.header_next = uiout->table.header_first; + + uo_table_body (uiout); +} + +void +ui_out_table_end (struct ui_out *uiout) +{ + if (!uiout->table.flag) + internal_error (__FILE__, __LINE__, + "misplaced table_end or missing table_begin."); + + uiout->table.entry_level = 0; + uiout->table.body_flag = 0; + uiout->table.flag = 0; + + uo_table_end (uiout); + + if (uiout->table.id) + xfree (uiout->table.id); + clear_header_list (uiout); +} + +void +ui_out_table_header (struct ui_out *uiout, int width, enum ui_align alignment, + const char *col_name, + const char *colhdr) +{ + if (!uiout->table.flag || uiout->table.body_flag) + internal_error (__FILE__, __LINE__, + "table header must be specified after table_begin \ +and before table_body."); + + append_header_to_list (uiout, width, alignment, col_name, colhdr); + + uo_table_header (uiout, width, alignment, col_name, colhdr); +} + +void +ui_out_begin (struct ui_out *uiout, + enum ui_out_type type, + const char *id) +{ + int new_level; + if (uiout->table.flag && !uiout->table.body_flag) + internal_error (__FILE__, __LINE__, + "table header or table_body expected; lists must be \ +specified after table_body."); + + /* Be careful to verify the ``field'' before the new tuple/list is + pushed onto the stack. That way the containing list/table/row is + verified and not the newly created tuple/list. This verification + is needed (at least) for the case where a table row entry + contains either a tuple/list. For that case bookkeeping such as + updating the column count or advancing to the next heading still + needs to be performed. */ + { + int fldno; + int width; + int align; + verify_field (uiout, &fldno, &width, &align); + } + + new_level = push_level (uiout, type, id); + + /* If the push puts us at the same level as a table row entry, we've + got a new table row. Put the header pointer back to the start. */ + if (uiout->table.body_flag + && uiout->table.entry_level == new_level) + uiout->table.header_next = uiout->table.header_first; + + uo_begin (uiout, type, new_level, id); +} + +void +ui_out_list_begin (struct ui_out *uiout, + const char *id) +{ + ui_out_begin (uiout, ui_out_type_list, id); +} + +void +ui_out_tuple_begin (struct ui_out *uiout, const char *id) +{ + ui_out_begin (uiout, ui_out_type_tuple, id); +} + +void +ui_out_end (struct ui_out *uiout, + enum ui_out_type type) +{ + int old_level = pop_level (uiout, type); + uo_end (uiout, type, old_level); +} + +void +ui_out_list_end (struct ui_out *uiout) +{ + ui_out_end (uiout, ui_out_type_list); +} + +void +ui_out_tuple_end (struct ui_out *uiout) +{ + ui_out_end (uiout, ui_out_type_tuple); +} + +struct ui_out_end_cleanup_data +{ + struct ui_out *uiout; + enum ui_out_type type; +}; + +static void +do_cleanup_end (void *data) +{ + struct ui_out_end_cleanup_data *end_cleanup_data = data; + ui_out_end (end_cleanup_data->uiout, end_cleanup_data->type); + xfree (end_cleanup_data); +} + +static struct cleanup * +make_cleanup_ui_out_end (struct ui_out *uiout, + enum ui_out_type type) +{ + struct ui_out_end_cleanup_data *end_cleanup_data; + end_cleanup_data = XMALLOC (struct ui_out_end_cleanup_data); + end_cleanup_data->uiout = uiout; + end_cleanup_data->type = type; + return make_cleanup (do_cleanup_end, end_cleanup_data); +} + +struct cleanup * +make_cleanup_ui_out_begin_end (struct ui_out *uiout, + enum ui_out_type type, + const char *id) +{ + ui_out_begin (uiout, type, id); + return make_cleanup_ui_out_end (uiout, type); +} + +struct cleanup * +make_cleanup_ui_out_tuple_begin_end (struct ui_out *uiout, + const char *id) +{ + ui_out_tuple_begin (uiout, id); + return make_cleanup_ui_out_end (uiout, ui_out_type_tuple); +} + +struct cleanup * +make_cleanup_ui_out_list_begin_end (struct ui_out *uiout, + const char *id) +{ + ui_out_list_begin (uiout, id); + return make_cleanup_ui_out_end (uiout, ui_out_type_list); +} + +void +ui_out_field_int (struct ui_out *uiout, + const char *fldname, + int value) +{ + int fldno; + int width; + int align; + struct ui_out_level *current = current_level (uiout); + + verify_field (uiout, &fldno, &width, &align); + + uo_field_int (uiout, fldno, width, align, fldname, value); +} + +void +ui_out_field_core_addr (struct ui_out *uiout, + const char *fldname, + CORE_ADDR address) +{ + char addstr[20]; + + /* FIXME-32x64: need a print_address_numeric with field width */ + /* print_address_numeric (address, 1, local_stream); */ + strcpy (addstr, local_hex_string_custom ((unsigned long) address, "08l")); + + ui_out_field_string (uiout, fldname, addstr); +} + +void +ui_out_field_stream (struct ui_out *uiout, + const char *fldname, + struct ui_stream *buf) +{ + long length; + char *buffer = ui_file_xstrdup (buf->stream, &length); + struct cleanup *old_cleanup = make_cleanup (xfree, buffer); + if (length > 0) + ui_out_field_string (uiout, fldname, buffer); + else + ui_out_field_skip (uiout, fldname); + ui_file_rewind (buf->stream); + do_cleanups (old_cleanup); +} + +/* used to ommit a field */ + +void +ui_out_field_skip (struct ui_out *uiout, + const char *fldname) +{ + int fldno; + int width; + int align; + + verify_field (uiout, &fldno, &width, &align); + + uo_field_skip (uiout, fldno, width, align, fldname); +} + +void +ui_out_field_string (struct ui_out *uiout, + const char *fldname, + const char *string) +{ + int fldno; + int width; + int align; + + verify_field (uiout, &fldno, &width, &align); + + uo_field_string (uiout, fldno, width, align, fldname, string); +} + +/* VARARGS */ +void +ui_out_field_fmt (struct ui_out *uiout, + const char *fldname, + const char *format, ...) +{ + va_list args; + int fldno; + int width; + int align; + + /* will not align, but has to call anyway */ + verify_field (uiout, &fldno, &width, &align); + + va_start (args, format); + + uo_field_fmt (uiout, fldno, width, align, fldname, format, args); + + va_end (args); +} + +void +ui_out_spaces (struct ui_out *uiout, int numspaces) +{ + uo_spaces (uiout, numspaces); +} + +void +ui_out_text (struct ui_out *uiout, + const char *string) +{ + uo_text (uiout, string); +} + +void +ui_out_message (struct ui_out *uiout, int verbosity, + const char *format,...) +{ + va_list args; + + va_start (args, format); + + uo_message (uiout, verbosity, format, args); + + va_end (args); +} + +struct ui_stream * +ui_out_stream_new (struct ui_out *uiout) +{ + struct ui_stream *tempbuf; + + tempbuf = XMALLOC (struct ui_stream); + tempbuf->uiout = uiout; + tempbuf->stream = mem_fileopen (); + return tempbuf; +} + +void +ui_out_stream_delete (struct ui_stream *buf) +{ + ui_file_delete (buf->stream); + xfree (buf); +} + +static void +do_stream_delete (void *buf) +{ + ui_out_stream_delete (buf); +} + +struct cleanup * +make_cleanup_ui_out_stream_delete (struct ui_stream *buf) +{ + return make_cleanup (do_stream_delete, buf); +} + + +void +ui_out_wrap_hint (struct ui_out *uiout, char *identstring) +{ + uo_wrap_hint (uiout, identstring); +} + +void +ui_out_flush (struct ui_out *uiout) +{ + uo_flush (uiout); +} + +/* set the flags specified by the mask given */ +int +ui_out_set_flags (struct ui_out *uiout, int mask) +{ + int oldflags = uiout->flags; + + uiout->flags |= mask; + + return oldflags; +} + +/* clear the flags specified by the mask given */ +int +ui_out_clear_flags (struct ui_out *uiout, int mask) +{ + int oldflags = uiout->flags; + + uiout->flags &= ~mask; + + return oldflags; +} + +/* test the flags against the mask given */ +int +ui_out_test_flags (struct ui_out *uiout, int mask) +{ + return (uiout->flags & mask); +} + +/* obtain the current verbosity level (as stablished by the + 'set verbositylevel' command */ + +int +ui_out_get_verblvl (struct ui_out *uiout) +{ + /* FIXME: not implemented yet */ + return 0; +} + +#if 0 +void +ui_out_result_begin (struct ui_out *uiout, char *class) +{ +} + +void +ui_out_result_end (struct ui_out *uiout) +{ +} + +void +ui_out_info_begin (struct ui_out *uiout, char *class) +{ +} + +void +ui_out_info_end (struct ui_out *uiout) +{ +} + +void +ui_out_notify_begin (struct ui_out *uiout, char *class) +{ +} + +void +ui_out_notify_end (struct ui_out *uiout) +{ +} + +void +ui_out_error_begin (struct ui_out *uiout, char *class) +{ +} + +void +ui_out_error_end (struct ui_out *uiout) +{ +} +#endif + +#if 0 +void +gdb_error (ui_out * uiout, int severity, char *format,...) +{ + va_list args; +} + +void +gdb_query (struct ui_out *uiout, int qflags, char *qprompt) +{ +} +#endif + +int +ui_out_is_mi_like_p (struct ui_out *uiout) +{ + return uiout->impl->is_mi_like_p; +} + +/* default gdb-out hook functions */ + +static void +default_table_begin (struct ui_out *uiout, int nbrofcols, + int nr_rows, + const char *tblid) +{ +} + +static void +default_table_body (struct ui_out *uiout) +{ +} + +static void +default_table_end (struct ui_out *uiout) +{ +} + +static void +default_table_header (struct ui_out *uiout, int width, enum ui_align alignment, + const char *col_name, + const char *colhdr) +{ +} + +static void +default_begin (struct ui_out *uiout, + enum ui_out_type type, + int level, + const char *id) +{ +} + +static void +default_end (struct ui_out *uiout, + enum ui_out_type type, + int level) +{ +} + +static void +default_field_int (struct ui_out *uiout, int fldno, int width, + enum ui_align align, + const char *fldname, int value) +{ +} + +static void +default_field_skip (struct ui_out *uiout, int fldno, int width, + enum ui_align align, const char *fldname) +{ +} + +static void +default_field_string (struct ui_out *uiout, + int fldno, + int width, + enum ui_align align, + const char *fldname, + const char *string) +{ +} + +static void +default_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 +default_spaces (struct ui_out *uiout, int numspaces) +{ +} + +static void +default_text (struct ui_out *uiout, const char *string) +{ +} + +static void +default_message (struct ui_out *uiout, int verbosity, + const char *format, + va_list args) +{ +} + +static void +default_wrap_hint (struct ui_out *uiout, char *identstring) +{ +} + +static void +default_flush (struct ui_out *uiout) +{ +} + +/* Interface to the implementation functions */ + +void +uo_table_begin (struct ui_out *uiout, int nbrofcols, + int nr_rows, + const char *tblid) +{ + if (!uiout->impl->table_begin) + return; + uiout->impl->table_begin (uiout, nbrofcols, nr_rows, tblid); +} + +void +uo_table_body (struct ui_out *uiout) +{ + if (!uiout->impl->table_body) + return; + uiout->impl->table_body (uiout); +} + +void +uo_table_end (struct ui_out *uiout) +{ + if (!uiout->impl->table_end) + return; + uiout->impl->table_end (uiout); +} + +void +uo_table_header (struct ui_out *uiout, int width, enum ui_align align, + const char *col_name, + const char *colhdr) +{ + if (!uiout->impl->table_header) + return; + uiout->impl->table_header (uiout, width, align, col_name, colhdr); +} + +void +uo_begin (struct ui_out *uiout, + enum ui_out_type type, + int level, + const char *id) +{ + if (uiout->impl->begin == NULL) + return; + uiout->impl->begin (uiout, type, level, id); +} + +void +uo_end (struct ui_out *uiout, + enum ui_out_type type, + int level) +{ + if (uiout->impl->end == NULL) + return; + uiout->impl->end (uiout, type, level); +} + +void +uo_field_int (struct ui_out *uiout, int fldno, int width, enum ui_align align, + const char *fldname, + int value) +{ + if (!uiout->impl->field_int) + return; + uiout->impl->field_int (uiout, fldno, width, align, fldname, value); +} + +void +uo_field_skip (struct ui_out *uiout, int fldno, int width, enum ui_align align, + const char *fldname) +{ + if (!uiout->impl->field_skip) + return; + uiout->impl->field_skip (uiout, fldno, width, align, fldname); +} + +void +uo_field_string (struct ui_out *uiout, int fldno, int width, + enum ui_align align, + const char *fldname, + const char *string) +{ + if (!uiout->impl->field_string) + return; + uiout->impl->field_string (uiout, fldno, width, align, fldname, string); +} + +void +uo_field_fmt (struct ui_out *uiout, int fldno, int width, enum ui_align align, + const char *fldname, + const char *format, + va_list args) +{ + if (!uiout->impl->field_fmt) + return; + uiout->impl->field_fmt (uiout, fldno, width, align, fldname, format, args); +} + +void +uo_spaces (struct ui_out *uiout, int numspaces) +{ + if (!uiout->impl->spaces) + return; + uiout->impl->spaces (uiout, numspaces); +} + +void +uo_text (struct ui_out *uiout, + const char *string) +{ + if (!uiout->impl->text) + return; + uiout->impl->text (uiout, string); +} + +void +uo_message (struct ui_out *uiout, int verbosity, + const char *format, + va_list args) +{ + if (!uiout->impl->message) + return; + uiout->impl->message (uiout, verbosity, format, args); +} + +void +uo_wrap_hint (struct ui_out *uiout, char *identstring) +{ + if (!uiout->impl->wrap_hint) + return; + uiout->impl->wrap_hint (uiout, identstring); +} + +void +uo_flush (struct ui_out *uiout) +{ + if (!uiout->impl->flush) + return; + uiout->impl->flush (uiout); +} + +/* local functions */ + +/* list of column headers manipulation routines */ + +static void +clear_header_list (struct ui_out *uiout) +{ + while (uiout->table.header_first != NULL) + { + uiout->table.header_next = uiout->table.header_first; + uiout->table.header_first = uiout->table.header_first->next; + if (uiout->table.header_next->colhdr != NULL) + xfree (uiout->table.header_next->colhdr); + xfree (uiout->table.header_next); + } + gdb_assert (uiout->table.header_first == NULL); + uiout->table.header_last = NULL; + uiout->table.header_next = NULL; +} + +static void +append_header_to_list (struct ui_out *uiout, + int width, + int alignment, + const char *col_name, + const char *colhdr) +{ + struct ui_out_hdr *temphdr; + + temphdr = XMALLOC (struct ui_out_hdr); + temphdr->width = width; + temphdr->alignment = alignment; + /* we have to copy the column title as the original may be an automatic */ + if (colhdr != NULL) + temphdr->colhdr = xstrdup (colhdr); + else + temphdr->colhdr = NULL; + if (col_name != NULL) + temphdr->col_name = xstrdup (colhdr); + else + temphdr->col_name = xstrdup (colhdr); + temphdr->next = NULL; + if (uiout->table.header_first == NULL) + { + temphdr->colno = 1; + uiout->table.header_first = temphdr; + uiout->table.header_last = temphdr; + } + else + { + temphdr->colno = uiout->table.header_last->colno + 1; + uiout->table.header_last->next = temphdr; + uiout->table.header_last = temphdr; + } + uiout->table.header_next = uiout->table.header_last; +} + +/* Extract the format information for the NEXT header and and advance + the header pointer. Return 0 if there was no next header. */ + +static int +get_next_header (struct ui_out *uiout, + int *colno, + int *width, + int *alignment, + char **colhdr) +{ + /* There may be no headers at all or we may have used all columns. */ + if (uiout->table.header_next == NULL) + return 0; + *colno = uiout->table.header_next->colno; + *width = uiout->table.header_next->width; + *alignment = uiout->table.header_next->alignment; + *colhdr = uiout->table.header_next->colhdr; + /* Advance the header pointer to the next entry. */ + uiout->table.header_next = uiout->table.header_next->next; + return 1; +} + + +/* Verify that the field/tuple/list is correctly positioned. Return + the field number and corresponding alignment (if + available/applicable). */ + +static void +verify_field (struct ui_out *uiout, int *fldno, int *width, int *align) +{ + struct ui_out_level *current = current_level (uiout); + char *text; + + if (uiout->table.flag) + { + if (!uiout->table.body_flag) + internal_error (__FILE__, __LINE__, + "table_body missing; table fields must be \ +specified after table_body and inside a list."); + /* NOTE: cagney/2001-12-08: There was a check here to ensure + that this code was only executed when uiout->level was + greater than zero. That no longer applies - this code is run + before each table row tuple is started and at that point the + level is zero. */ + } + + current->field_count += 1; + + if (uiout->table.body_flag + && uiout->table.entry_level == uiout->level + && get_next_header (uiout, fldno, width, align, &text)) + { + if (*fldno != current->field_count) + internal_error (__FILE__, __LINE__, + "ui-out internal error in handling headers."); + } + else + { + *width = 0; + *align = ui_noalign; + *fldno = current->field_count; + } +} + + +/* access to ui_out format private members */ + +void +ui_out_get_field_separator (struct ui_out *uiout) +{ +} + +/* Access to ui-out members data */ + +struct ui_out_data * +ui_out_data (struct ui_out *uiout) +{ + return uiout->data; +} + +/* initalize private members at startup */ + +struct ui_out * +ui_out_new (struct ui_out_impl *impl, + struct ui_out_data *data, + int flags) +{ + struct ui_out *uiout = XMALLOC (struct ui_out); + uiout->data = data; + uiout->impl = impl; + uiout->flags = flags; + uiout->table.flag = 0; + uiout->table.body_flag = 0; + uiout->level = 0; + memset (uiout->levels, 0, sizeof (uiout->levels)); + uiout->table.header_first = NULL; + uiout->table.header_last = NULL; + uiout->table.header_next = NULL; + return uiout; +} + +/* standard gdb initialization hook */ + +void +_initialize_ui_out (void) +{ + /* nothing needs to be done */ +} |
