X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fui-out.c;h=9c277423637ca58a57f901e780585df239d790aa;hb=42edd901a220d9d963d2121d7014b81d43c1ac66;hp=4a4a9228540c7d077f342a8de59a11677637f30f;hpb=9647fa4995eeedb1bb8f77048110871213170747;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/ui-out.c b/gdb/ui-out.c index 4a4a922854..9c27742363 100644 --- a/gdb/ui-out.c +++ b/gdb/ui-out.c @@ -1,6 +1,6 @@ /* Output generating routines for GDB. - Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1999-2017 Free Software Foundation, Inc. Contributed by Cygnus Solutions. Written by Fernando Nasser for Cygnus. @@ -9,7 +9,7 @@ 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 + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -18,1132 +18,686 @@ 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. */ + along with this program. If not, see . */ #include "defs.h" -#include "gdb_string.h" #include "expression.h" /* For language.h */ #include "language.h" #include "ui-out.h" -#include "gdb_assert.h" -/* table header structures */ +#include +#include +#include +#include -struct ui_out_hdr - { - int colno; - int width; - int alignment; - char *col_name; - char *colhdr; - struct ui_out_hdr *next; - }; +namespace { -/* 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. */ +/* A header of a ui_out_table. */ -enum { MAX_UI_OUT_LEVELS = 5 }; +class ui_out_hdr +{ + public: -struct ui_out_level + explicit ui_out_hdr (int number, int min_width, ui_align alignment, + const std::string &name, const std::string &header) + : m_number (number), + m_min_width (min_width), + m_alignment (alignment), + m_name (name), + m_header (header) { - /* 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; + int number () const + { + return m_number; + } - /* 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; + int min_width () const + { + return m_min_width; + } - /* Number of table columns (as specified in the table_begin call). */ - int columns; + ui_align alignment () const + { + return m_alignment; + } - /* String identifying the table (as specified in the table_begin - call). */ - char *id; + const std::string &header () const + { + return m_header; + } - /* Points to the first table header (if any). */ - struct ui_out_hdr *header_first; + const std::string &name () const + { + return m_name; + } - /* Points to the last table header (if any). */ - struct ui_out_hdr *header_last; + private: - /* Points to header of NEXT column to format. */ - struct ui_out_hdr *header_next; + /* The number of the table column this header represents, 1-based. */ + int m_number; -}; + /* Minimal column width in characters. May or may not be applicable, + depending on the actual implementation of ui_out. */ + int m_min_width; + /* Alignment of the content in the column. May or may not be applicable, + depending on the actual implementation of ui_out. */ + ui_align m_alignment; -/* The ui_out structure */ -/* Any change here requires a corresponding one in the initialization - of the default uiout, which is statically initialized */ + /* Internal column name, used to internally refer to the column. */ + std::string m_name; -struct ui_out - { - int flags; - /* specific implementation of ui-out */ - struct ui_out_impl *impl; - struct ui_out_data *data; + /* Printed header text of the column. */ + std::string m_header; +}; - /* Sub structure tracking the ui-out depth. */ - int level; - struct ui_out_level levels[MAX_UI_OUT_LEVELS]; +} // namespace - /* A table, if any. At present only a single table is supported. */ - struct ui_out_table table; - }; +/* A level of nesting (either a list or a tuple) in a ui_out output. */ -/* The current (inner most) level. */ -static struct ui_out_level * -current_level (struct ui_out *uiout) +class ui_out_level { - return &uiout->levels[uiout->level]; -} + public: -/* 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; -} + explicit ui_out_level (ui_out_type type) + : m_type (type), + m_field_count (0) + { + } -/* 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; -} + ui_out_type type () const + { + return m_type; + } + int field_count () const + { + return m_field_count; + } -/* 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. */ -}; + void inc_field_count () + { + m_field_count++; + } -/* The default ui_out */ + private: -struct ui_out def_uiout = -{ - 0, /* flags */ - &default_ui_out_impl, /* impl */ + /* The type of this level. */ + ui_out_type m_type; + + /* Count each field; the first element is for non-list fields. */ + int m_field_count; }; -/* 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 */ +/* 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. */ -void -ui_out_table_begin (struct ui_out *uiout, int nbrofcols, - int nr_rows, - const char *tblid) +class ui_out_table { - 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); + public: - uo_table_begin (uiout, nbrofcols, nr_rows, uiout->table.id); -} + /* States (steps) of a table generation. */ -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."); + enum class state + { + /* We are generating the table headers. */ + HEADERS, - uiout->table.body_flag = 1; - uiout->table.header_next = uiout->table.header_first; + /* We are generating the table body. */ + BODY, + }; - uo_table_body (uiout); -} + explicit ui_out_table (int entry_level, int nr_cols, const std::string &id) + : m_state (state::HEADERS), + m_entry_level (entry_level), + m_nr_cols (nr_cols), + m_id (id) + { + } -void -ui_out_table_end (struct ui_out *uiout) -{ - if (!uiout->table.flag) - internal_error (__FILE__, __LINE__, - "misplaced table_end or missing table_begin."); + /* Start building the body of the table. */ - uiout->table.entry_level = 0; - uiout->table.body_flag = 0; - uiout->table.flag = 0; + void start_body (); - uo_table_end (uiout); + /* Add a new header to the table. */ - if (uiout->table.id) - xfree (uiout->table.id); - clear_header_list (uiout); -} + void append_header (int width, ui_align alignment, + const std::string &col_name, const std::string &col_hdr); -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."); + void start_row (); - append_header_to_list (uiout, width, alignment, col_name, colhdr); + /* Extract the format information for the next header and advance + the header iterator. Return false if there was no next header. */ - uo_table_header (uiout, width, alignment, col_name, colhdr); -} + bool get_next_header (int *colno, int *width, ui_align *alignment, + const char **col_hdr); -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."); + bool query_field (int colno, int *width, int *alignment, + const char **col_name) const; - /* 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); - } + state current_state () const; - new_level = push_level (uiout, type, id); + int entry_level () const; - /* 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); -} + private: -void -ui_out_list_begin (struct ui_out *uiout, - const char *id) -{ - ui_out_begin (uiout, ui_out_type_list, id); -} + state m_state; -void -ui_out_tuple_begin (struct ui_out *uiout, const char *id) -{ - ui_out_begin (uiout, ui_out_type_tuple, id); -} + /* 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 m_entry_level; -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); -} + /* Number of table columns (as specified in the table_begin call). */ + int m_nr_cols; -void -ui_out_list_end (struct ui_out *uiout) -{ - ui_out_end (uiout, ui_out_type_list); -} + /* String identifying the table (as specified in the table_begin + call). */ + std::string m_id; -void -ui_out_tuple_end (struct ui_out *uiout) -{ - ui_out_end (uiout, ui_out_type_tuple); -} + /* Pointers to the column headers. */ + std::vector> m_headers; -struct ui_out_end_cleanup_data -{ - struct ui_out *uiout; - enum ui_out_type type; + /* Iterator over the headers vector, used when printing successive fields. */ + std::vector>::const_iterator m_headers_iterator; }; -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); -} +/* See ui-out.h. */ -static struct cleanup * -make_cleanup_ui_out_end (struct ui_out *uiout, - enum ui_out_type type) +void ui_out_table::start_body () { - 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); -} + if (m_state != state::HEADERS) + 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.")); -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); -} + /* Check if the number of defined headers matches the number of expected + columns. */ + if (m_headers.size () != m_nr_cols) + internal_error (__FILE__, __LINE__, + _("number of headers differ from number of table " + "columns.")); -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); + m_state = state::BODY; + m_headers_iterator = m_headers.begin (); } -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); -} +/* See ui-out.h. */ -void -ui_out_field_int (struct ui_out *uiout, - const char *fldname, - int value) +void ui_out_table::append_header (int width, ui_align alignment, + const std::string &col_name, + const std::string &col_hdr) { - int fldno; - int width; - int align; - struct ui_out_level *current = current_level (uiout); + if (m_state != state::HEADERS) + internal_error (__FILE__, __LINE__, + _("table header must be specified after table_begin and " + "before table_body.")); - verify_field (uiout, &fldno, &width, &align); + std::unique_ptr header (new ui_out_hdr (m_headers.size () + 1, + width, alignment, + col_name, col_hdr)); - uo_field_int (uiout, fldno, width, align, fldname, value); + m_headers.push_back (std::move (header)); } -void -ui_out_field_core_addr (struct ui_out *uiout, - const char *fldname, - CORE_ADDR address) -{ - char addstr[20]; - - /* FIXME: cagney/2002-05-03: Need local_address_string() function - that returns the language localized string formatted to a width - based on TARGET_ADDR_BIT. */ - /* print_address_numeric (address, 1, local_stream); */ - if (TARGET_ADDR_BIT <= 32) - strcpy (addstr, local_hex_string_custom (address, "08l")); - else - strcpy (addstr, local_hex_string_custom (address, "016l")); - - ui_out_field_string (uiout, fldname, addstr); -} +/* See ui-out.h. */ -void -ui_out_field_stream (struct ui_out *uiout, - const char *fldname, - struct ui_stream *buf) +void ui_out_table::start_row () { - 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); + m_headers_iterator = m_headers.begin (); } -/* used to ommit a field */ +/* See ui-out.h. */ -void -ui_out_field_skip (struct ui_out *uiout, - const char *fldname) +bool ui_out_table::get_next_header (int *colno, int *width, ui_align *alignment, + const char **col_hdr) { - int fldno; - int width; - int align; + /* There may be no headers at all or we may have used all columns. */ + if (m_headers_iterator == m_headers.end ()) + return false; - verify_field (uiout, &fldno, &width, &align); + ui_out_hdr *hdr = m_headers_iterator->get (); - uo_field_skip (uiout, fldno, width, align, fldname); -} + *colno = hdr->number (); + *width = hdr->min_width (); + *alignment = hdr->alignment (); + *col_hdr = hdr->header ().c_str (); -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); + /* Advance the header pointer to the next entry. */ + m_headers_iterator++; - uo_field_string (uiout, fldno, width, align, fldname, string); + return true; } -/* VARARGS */ -void -ui_out_field_fmt (struct ui_out *uiout, - const char *fldname, - const char *format, ...) +/* See ui-out.h. */ + +bool ui_out_table::query_field (int colno, int *width, int *alignment, + const char **col_name) const { - va_list args; - int fldno; - int width; - int align; + /* Column numbers are 1-based, so convert to 0-based index. */ + int index = colno - 1; - /* will not align, but has to call anyway */ - verify_field (uiout, &fldno, &width, &align); + if (index >= 0 && index < m_headers.size ()) + { + ui_out_hdr *hdr = m_headers[index].get (); - va_start (args, format); + gdb_assert (colno == hdr->number ()); - uo_field_fmt (uiout, fldno, width, align, fldname, format, args); + *width = hdr->min_width (); + *alignment = hdr->alignment (); + *col_name = hdr->name ().c_str (); - va_end (args); + return true; + } + else + return false; } -void -ui_out_spaces (struct ui_out *uiout, int numspaces) -{ - uo_spaces (uiout, numspaces); -} +/* See ui-out.h. */ -void -ui_out_text (struct ui_out *uiout, - const char *string) +ui_out_table::state ui_out_table::current_state () const { - uo_text (uiout, string); + return m_state; } -void -ui_out_message (struct ui_out *uiout, int verbosity, - const char *format,...) -{ - va_list args; - - va_start (args, format); +/* See ui-out.h. */ - uo_message (uiout, verbosity, format, args); - - va_end (args); -} - -struct ui_stream * -ui_out_stream_new (struct ui_out *uiout) +int ui_out_table::entry_level () const { - struct ui_stream *tempbuf; - - tempbuf = XMALLOC (struct ui_stream); - tempbuf->uiout = uiout; - tempbuf->stream = mem_fileopen (); - return tempbuf; + return m_entry_level; } -void -ui_out_stream_delete (struct ui_stream *buf) +int +ui_out::level () const { - ui_file_delete (buf->stream); - xfree (buf); + return m_levels.size (); } -static void -do_stream_delete (void *buf) -{ - ui_out_stream_delete (buf); -} +/* The current (inner most) level. */ -struct cleanup * -make_cleanup_ui_out_stream_delete (struct ui_stream *buf) +ui_out_level * +ui_out::current_level () const { - return make_cleanup (do_stream_delete, buf); + return m_levels.back ().get (); } - +/* Create a new level, of TYPE. */ void -ui_out_wrap_hint (struct ui_out *uiout, char *identstring) +ui_out::push_level (ui_out_type type) { - uo_wrap_hint (uiout, identstring); -} + std::unique_ptr level (new ui_out_level (type)); -void -ui_out_flush (struct ui_out *uiout) -{ - uo_flush (uiout); + m_levels.push_back (std::move (level)); } -/* set the flags specified by the mask given */ -int -ui_out_set_flags (struct ui_out *uiout, int mask) +/* Discard the current level. TYPE is the type of the level being + discarded. */ +void +ui_out::pop_level (ui_out_type type) { - int oldflags = uiout->flags; - - uiout->flags |= mask; + /* We had better not underflow the buffer. */ + gdb_assert (m_levels.size () > 0); + gdb_assert (current_level ()->type () == type); - return oldflags; + m_levels.pop_back (); } -/* clear the flags specified by the mask given */ -int -ui_out_clear_flags (struct ui_out *uiout, int mask) +/* Mark beginning of a table. */ + +void +ui_out::table_begin (int nr_cols, int nr_rows, const std::string &tblid) { - int oldflags = uiout->flags; + if (m_table_up != nullptr) + internal_error (__FILE__, __LINE__, + _("tables cannot be nested; table_begin found before \ +previous table_end.")); - uiout->flags &= ~mask; + m_table_up.reset (new ui_out_table (level () + 1, nr_cols, tblid)); - return oldflags; + do_table_begin (nr_cols, nr_rows, tblid.c_str ()); } -/* test the flags against the mask given */ -int -ui_out_test_flags (struct ui_out *uiout, int mask) +void +ui_out::table_header (int width, ui_align alignment, + const std::string &col_name, const std::string &col_hdr) { - return (uiout->flags & mask); -} + if (m_table_up == nullptr) + internal_error (__FILE__, __LINE__, + _("table_header outside a table is not valid; it must be \ +after a table_begin and before a table_body.")); -/* obtain the current verbosity level (as stablished by the - 'set verbositylevel' command */ + m_table_up->append_header (width, alignment, col_name, col_hdr); -int -ui_out_get_verblvl (struct ui_out *uiout) -{ - /* FIXME: not implemented yet */ - return 0; + do_table_header (width, alignment, col_name, col_hdr); } -#if 0 void -ui_out_result_begin (struct ui_out *uiout, char *class) +ui_out::table_body () { -} + if (m_table_up == nullptr) + internal_error (__FILE__, __LINE__, + _("table_body outside a table is not valid; it must be " + "after a table_begin and before a table_end.")); -void -ui_out_result_end (struct ui_out *uiout) -{ -} + m_table_up->start_body (); -void -ui_out_info_begin (struct ui_out *uiout, char *class) -{ + do_table_body (); } void -ui_out_info_end (struct ui_out *uiout) +ui_out::table_end () { -} + if (m_table_up == nullptr) + internal_error (__FILE__, __LINE__, + _("misplaced table_end or missing table_begin.")); -void -ui_out_notify_begin (struct ui_out *uiout, char *class) -{ -} + do_table_end (); -void -ui_out_notify_end (struct ui_out *uiout) -{ + m_table_up = nullptr; } -void -ui_out_error_begin (struct ui_out *uiout, char *class) +static void +do_cleanup_table_end (void *data) { -} + ui_out *uiout = (ui_out *) data; -void -ui_out_error_end (struct ui_out *uiout) -{ + uiout->table_end (); } -#endif -#if 0 -void -gdb_error (ui_out * uiout, int severity, char *format,...) +struct cleanup * +make_cleanup_ui_out_table_begin_end (ui_out *uiout, int nr_cols, int nr_rows, + const char *tblid) { - va_list args; + uiout->table_begin (nr_cols, nr_rows, tblid); + return make_cleanup (do_cleanup_table_end, uiout); } void -gdb_query (struct ui_out *uiout, int qflags, char *qprompt) +ui_out::begin (ui_out_type type, const char *id) { -} -#endif + /* 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; + ui_align align; -int -ui_out_is_mi_like_p (struct ui_out *uiout) -{ - return uiout->impl->is_mi_like_p; -} + verify_field (&fldno, &width, &align); + } -/* default gdb-out hook functions */ + push_level (type); -static void -default_table_begin (struct ui_out *uiout, int nbrofcols, - int nr_rows, - const char *tblid) -{ -} + /* 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 (m_table_up != nullptr + && m_table_up->current_state () == ui_out_table::state::BODY + && m_table_up->entry_level () == level ()) + m_table_up->start_row (); -static void -default_table_body (struct ui_out *uiout) -{ + do_begin (type, id); } -static void -default_table_end (struct ui_out *uiout) +void +ui_out::end (ui_out_type type) { -} + pop_level (type); -static void -default_table_header (struct ui_out *uiout, int width, enum ui_align alignment, - const char *col_name, - const char *colhdr) -{ + do_end (type); } -static void -default_begin (struct ui_out *uiout, - enum ui_out_type type, - int level, - const char *id) +struct ui_out_end_cleanup_data { -} + struct ui_out *uiout; + enum ui_out_type type; +}; static void -default_end (struct ui_out *uiout, - enum ui_out_type type, - int level) +do_cleanup_end (void *data) { -} + struct ui_out_end_cleanup_data *end_cleanup_data + = (struct ui_out_end_cleanup_data *) data; -static void -default_field_int (struct ui_out *uiout, int fldno, int width, - enum ui_align align, - const char *fldname, int value) -{ + end_cleanup_data->uiout->end (end_cleanup_data->type); + xfree (end_cleanup_data); } -static void -default_field_skip (struct ui_out *uiout, int fldno, int width, - enum ui_align align, const char *fldname) +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; -static void -default_field_string (struct ui_out *uiout, - int fldno, - int width, - enum ui_align align, - const char *fldname, - const char *string) -{ + end_cleanup_data = XNEW (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); } -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) +struct cleanup * +make_cleanup_ui_out_tuple_begin_end (struct ui_out *uiout, + const char *id) { + uiout->begin (ui_out_type_tuple, id); + return make_cleanup_ui_out_end (uiout, ui_out_type_tuple); } -static void -default_spaces (struct ui_out *uiout, int numspaces) +struct cleanup * +make_cleanup_ui_out_list_begin_end (struct ui_out *uiout, + const char *id) { + uiout->begin (ui_out_type_list, id); + return make_cleanup_ui_out_end (uiout, ui_out_type_list); } -static void -default_text (struct ui_out *uiout, const char *string) +void +ui_out::field_int (const char *fldname, int value) { -} + int fldno; + int width; + ui_align align; -static void -default_message (struct ui_out *uiout, int verbosity, - const char *format, - va_list args) -{ -} + verify_field (&fldno, &width, &align); -static void -default_wrap_hint (struct ui_out *uiout, char *identstring) -{ + do_field_int (fldno, width, align, fldname, value); } -static void -default_flush (struct ui_out *uiout) +void +ui_out::field_fmt_int (int input_width, ui_align input_align, + const char *fldname, int value) { -} + int fldno; + int width; + ui_align align; -/* Interface to the implementation functions */ + verify_field (&fldno, &width, &align); -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); + do_field_int (fldno, input_width, input_align, fldname, value); } -void -uo_table_body (struct ui_out *uiout) -{ - if (!uiout->impl->table_body) - return; - uiout->impl->table_body (uiout); -} +/* Documented in ui-out.h. */ void -uo_table_end (struct ui_out *uiout) +ui_out::field_core_addr (const char *fldname, struct gdbarch *gdbarch, + CORE_ADDR address) { - if (!uiout->impl->table_end) - return; - uiout->impl->table_end (uiout); + field_string (fldname, print_core_address (gdbarch, address)); } void -uo_table_header (struct ui_out *uiout, int width, enum ui_align align, - const char *col_name, - const char *colhdr) +ui_out::field_stream (const char *fldname, string_file &stream) { - if (!uiout->impl->table_header) - return; - uiout->impl->table_header (uiout, width, align, col_name, colhdr); + if (!stream.empty ()) + field_string (fldname, stream.c_str ()); + else + field_skip (fldname); + stream.clear (); } -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); -} +/* Used to omit a field. */ void -uo_end (struct ui_out *uiout, - enum ui_out_type type, - int level) +ui_out::field_skip (const char *fldname) { - if (uiout->impl->end == NULL) - return; - uiout->impl->end (uiout, type, level); -} + int fldno; + int width; + ui_align align; -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); -} + verify_field (&fldno, &width, &align); -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); + do_field_skip (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) +ui_out::field_string (const char *fldname, const char *string) { - if (!uiout->impl->field_string) - return; - uiout->impl->field_string (uiout, fldno, width, align, fldname, string); + int fldno; + int width; + ui_align align; + + verify_field (&fldno, &width, &align); + + do_field_string (fldno, width, align, fldname, string); } +/* VARARGS */ 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) +ui_out::field_fmt (const char *fldname, const char *format, ...) { - if (!uiout->impl->field_fmt) - return; - uiout->impl->field_fmt (uiout, fldno, width, align, fldname, format, args); + va_list args; + int fldno; + int width; + ui_align align; + + /* Will not align, but has to call anyway. */ + verify_field (&fldno, &width, &align); + + va_start (args, format); + + do_field_fmt (fldno, width, align, fldname, format, args); + + va_end (args); } void -uo_spaces (struct ui_out *uiout, int numspaces) +ui_out::spaces (int numspaces) { - if (!uiout->impl->spaces) - return; - uiout->impl->spaces (uiout, numspaces); + do_spaces (numspaces); } void -uo_text (struct ui_out *uiout, - const char *string) +ui_out::text (const char *string) { - if (!uiout->impl->text) - return; - uiout->impl->text (uiout, string); + do_text (string); } void -uo_message (struct ui_out *uiout, int verbosity, - const char *format, - va_list args) +ui_out::message (const char *format, ...) { - if (!uiout->impl->message) - return; - uiout->impl->message (uiout, verbosity, format, args); + va_list args; + + va_start (args, format); + do_message (format, args); + va_end (args); } void -uo_wrap_hint (struct ui_out *uiout, char *identstring) +ui_out::wrap_hint (const char *identstring) { - if (!uiout->impl->wrap_hint) - return; - uiout->impl->wrap_hint (uiout, identstring); + do_wrap_hint (identstring); } void -uo_flush (struct ui_out *uiout) +ui_out::flush () { - if (!uiout->impl->flush) - return; - uiout->impl->flush (uiout); + do_flush (); } -/* local functions */ - -/* list of column headers manipulation routines */ - -static void -clear_header_list (struct ui_out *uiout) +void +ui_out::redirect (ui_file *outstream) { - 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; + do_redirect (outstream); } -static void -append_header_to_list (struct ui_out *uiout, - int width, - int alignment, - const char *col_name, - const char *colhdr) +/* Test the flags against the mask given. */ +ui_out_flags +ui_out::test_flags (ui_out_flags mask) { - 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; + return m_flags & mask; } -/* 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) +bool +ui_out::is_mi_like_p () { - /* 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; + return do_is_mi_like_p (); } - /* 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) +void +ui_out::verify_field (int *fldno, int *width, ui_align *align) { - struct ui_out_level *current = current_level (uiout); - char *text; + ui_out_level *current = current_level (); + const char *text; - if (uiout->table.flag) + if (m_table_up != nullptr + && m_table_up->current_state () != ui_out_table::state::BODY) { - 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. */ + internal_error (__FILE__, __LINE__, + _("table_body missing; table fields must be \ +specified after table_body and inside a list.")); } - current->field_count += 1; + current->inc_field_count (); - if (uiout->table.body_flag - && uiout->table.entry_level == uiout->level - && get_next_header (uiout, fldno, width, align, &text)) + if (m_table_up != nullptr + && m_table_up->current_state () == ui_out_table::state::BODY + && m_table_up->entry_level () == level () + && m_table_up->get_next_header (fldno, width, align, &text)) { - if (*fldno != current->field_count) + if (*fldno != current->field_count ()) internal_error (__FILE__, __LINE__, - "ui-out internal error in handling headers."); + _("ui-out internal error in handling headers.")); } else { *width = 0; *align = ui_noalign; - *fldno = current->field_count; + *fldno = current->field_count (); } } +/* Access table field parameters. */ -/* access to ui_out format private members */ - -void -ui_out_get_field_separator (struct ui_out *uiout) +bool +ui_out::query_table_field (int colno, int *width, int *alignment, + const char **col_name) { -} - -/* Access to ui-out members data */ + if (m_table_up == nullptr) + return false; -struct ui_out_data * -ui_out_data (struct ui_out *uiout) -{ - return uiout->data; + return m_table_up->query_field (colno, width, alignment, col_name); } -/* initalize private members at startup */ +/* The constructor. */ -struct ui_out * -ui_out_new (struct ui_out_impl *impl, - struct ui_out_data *data, - int flags) +ui_out::ui_out (ui_out_flags flags) +: m_flags (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; + /* Create the ui-out level #1, the default level. */ + push_level (ui_out_type_tuple); } -/* standard gdb initialization hook */ - -void -_initialize_ui_out (void) +ui_out::~ui_out () { - /* nothing needs to be done */ }