/* Output generating routines for GDB.
- Copyright (C) 1999-2015 Free Software Foundation, Inc.
+ Copyright (C) 1999-2016 Free Software Foundation, Inc.
Contributed by Cygnus Solutions.
Written by Fernando Nasser for Cygnus.
#include "language.h"
#include "ui-out.h"
-/* table header structures */
+#include <vector>
+#include <memory>
+#include <string>
-struct ui_out_hdr
+/* A header of a ui_out_table. */
+
+class ui_out_hdr
+{
+ public:
+
+ 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)
{
- int colno;
- int width;
- enum ui_align 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. */
+ int number () const
+ {
+ return m_number;
+ }
-enum { MAX_UI_OUT_LEVELS = 8 };
+ int min_width () const
+ {
+ return m_min_width;
+ }
-struct ui_out_level
+ ui_align alignment () const
{
- /* Count each field; the first element is for non-list fields. */
- int field_count;
- /* The type of this level. */
- enum ui_out_type type;
- };
+ return m_alignment;
+ }
+
+ const std::string &header () const
+ {
+ return m_header;
+ }
+
+ const std::string &name () const
+ {
+ return m_name;
+ }
+
+ private:
+
+ /* 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;
+
+ /* Internal column name, used to internally refer to the column. */
+ std::string m_name;
+
+ /* Printed header text of the column. */
+ std::string m_header;
+};
+
+/* A level of nesting (either a list or a tuple) in a ui_out output. */
+
+class ui_out_level
+{
+ public:
+
+ explicit ui_out_level (ui_out_type type)
+ : m_type (type),
+ m_field_count (0)
+ {
+ }
+
+ ui_out_type type () const
+ {
+ return m_type;
+ }
+
+ int field_count () const
+ {
+ return m_field_count;
+ }
+
+ void inc_field_count ()
+ {
+ m_field_count++;
+ }
+
+ private:
+
+ /* 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;
+};
-/* Define uiout->level vector types and operations. */
-typedef struct ui_out_level *ui_out_level_p;
-DEF_VEC_P (ui_out_level_p);
/* Tables are special. Maintain a separate structure that tracks
their state. At present an output can only contain a single table
/* 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;
+ std::string id;
- /* Points to the last table header (if any). */
- struct ui_out_hdr *header_last;
+ /* Pointers to the column headers. */
+ std::vector<std::unique_ptr<ui_out_hdr>> headers;
- /* Points to header of NEXT column to format. */
- struct ui_out_hdr *header_next;
+ /* Iterator over the headers vector, used when printing successive fields. */
+ std::vector<std::unique_ptr<ui_out_hdr>>::const_iterator headers_iterator;
};
/* 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
{
const struct ui_out_impl *impl;
void *data;
- /* Current level. */
- int level;
-
/* Vector to store and track the ui-out levels. */
- VEC (ui_out_level_p) *levels;
+ std::vector<std::unique_ptr<ui_out_level>> levels;
+
+ int level () const
+ {
+ return this->levels.size ();
+ }
/* 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 *
+static ui_out_level *
current_level (struct ui_out *uiout)
{
- return VEC_index (ui_out_level_p, uiout->levels, uiout->level);
+ return uiout->levels.back ().get ();
}
-/* Create a new level, of TYPE. Return the new level's index. */
-static int
+/* Create a new level, of TYPE. */
+static void
push_level (struct ui_out *uiout,
- enum ui_out_type type,
- const char *id)
+ enum ui_out_type type)
{
- struct ui_out_level *current;
-
- uiout->level++;
- current = XNEW (struct ui_out_level);
- current->field_count = 0;
- current->type = type;
- VEC_safe_push (ui_out_level_p, uiout->levels, current);
- return uiout->level;
+ std::unique_ptr<ui_out_level> level (new ui_out_level (type));
+
+ uiout->levels.push_back (std::move (level));
}
-/* Discard the current level, return the discarded level's index.
- TYPE is the type of the level being discarded. */
-static int
+/* Discard the current level. TYPE is the type of the level being
+ discarded. */
+static void
pop_level (struct ui_out *uiout,
enum ui_out_type type)
{
- struct ui_out_level *current;
-
/* We had better not underflow the buffer. */
- gdb_assert (uiout->level > 0);
- gdb_assert (current_level (uiout)->type == type);
- current = VEC_pop (ui_out_level_p, uiout->levels);
- xfree (current);
- 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) ATTRIBUTE_PRINTF (6, 0);
-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) ATTRIBUTE_PRINTF (3, 0);
-static void default_wrap_hint (struct ui_out *uiout, char *identstring);
-static void default_flush (struct ui_out *uiout);
-static void default_data_destroy (struct ui_out *uiout);
-
-/* This is the default ui-out implementation functions vector. */
-
-const 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,
- NULL, /* redirect */
- default_data_destroy,
- 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. */
+ gdb_assert (uiout->level () > 0);
+ gdb_assert (current_level (uiout)->type () == type);
-struct ui_out *current_uiout = &def_uiout;
+ uiout->levels.pop_back ();
+}
/* These are the interfaces to implementation functions. */
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);
+ enum ui_align align,
+ const std::string &col_name,
+ const std::string &col_hdr);
static void uo_begin (struct ui_out *uiout,
enum ui_out_type type,
- int level, const char *id);
+ const char *id);
static void uo_end (struct ui_out *uiout,
- enum ui_out_type type,
- int level);
+ enum ui_out_type type);
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,
ATTRIBUTE_PRINTF (6, 0);
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,
+static void uo_message (struct ui_out *uiout,
const char *format, va_list args)
- ATTRIBUTE_PRINTF (3, 0);
-static void uo_wrap_hint (struct ui_out *uiout, char *identstring);
+ ATTRIBUTE_PRINTF (2, 0);
+static void uo_wrap_hint (struct ui_out *uiout, const char *identstring);
static void uo_flush (struct ui_out *uiout);
static int uo_redirect (struct ui_out *uiout, struct ui_file *outstream);
-static void uo_data_destroy (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,
- enum ui_align alignment, const char *col_name,
- const char *colhdr);
+ enum ui_align alignment,
+ const std::string &col_name,
+ const std::string &col_hdr);
static int get_next_header (struct ui_out *uiout, int *colno, int *width,
- enum ui_align *alignment, char **colhdr);
+ enum ui_align *alignment, const char **col_hdr);
static void clear_header_list (struct ui_out *uiout);
static void clear_table (struct ui_out *uiout);
static void verify_field (struct ui_out *uiout, int *fldno, int *width,
static void
ui_out_table_begin (struct ui_out *uiout, int nbrofcols,
- int nr_rows,
- const char *tblid)
+ int nr_rows, const std::string &tblid)
{
if (uiout->table.flag)
internal_error (__FILE__, __LINE__,
uiout->table.flag = 1;
uiout->table.body_flag = 0;
- uiout->table.entry_level = uiout->level + 1;
+ uiout->table.entry_level = uiout->level () + 1;
uiout->table.columns = nbrofcols;
- if (tblid != NULL)
- uiout->table.id = xstrdup (tblid);
- else
- uiout->table.id = NULL;
+ uiout->table.id = tblid;
+
clear_header_list (uiout);
- uo_table_begin (uiout, nbrofcols, nr_rows, uiout->table.id);
+ uo_table_begin (uiout, nbrofcols, nr_rows, uiout->table.id.c_str ());
}
void
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)
+ if (uiout->table.headers.size () != 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_header (struct ui_out *uiout, int width, enum ui_align alignment,
- const char *col_name,
- const char *colhdr)
+ const std::string &col_name, const std::string &col_hdr)
{
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);
+ append_header_to_list (uiout, width, alignment, col_name, col_hdr);
- uo_table_header (uiout, width, alignment, col_name, colhdr);
+ uo_table_header (uiout, width, alignment, col_name, col_hdr);
}
static void
do_cleanup_table_end (void *data)
{
- struct ui_out *ui_out = data;
+ struct ui_out *ui_out = (struct ui_out *) data;
ui_out_table_end (ui_out);
}
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 \
verify_field (uiout, &fldno, &width, &align);
}
- new_level = push_level (uiout, type, id);
+ push_level (uiout, type);
/* 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;
+ && uiout->table.entry_level == uiout->level ())
+ uiout->table.headers_iterator = uiout->table.headers.begin ();
- uo_begin (uiout, type, new_level, id);
+ uo_begin (uiout, type, id);
}
void
ui_out_end (struct ui_out *uiout,
enum ui_out_type type)
{
- int old_level = pop_level (uiout, type);
+ pop_level (uiout, type);
- uo_end (uiout, type, old_level);
+ uo_end (uiout, type);
}
struct ui_out_end_cleanup_data
static void
do_cleanup_end (void *data)
{
- struct ui_out_end_cleanup_data *end_cleanup_data = data;
+ struct ui_out_end_cleanup_data *end_cleanup_data
+ = (struct ui_out_end_cleanup_data *) data;
ui_out_end (end_cleanup_data->uiout, end_cleanup_data->type);
xfree (end_cleanup_data);
const char *fldname,
struct ui_file *stream)
{
- long length;
- char *buffer = ui_file_xstrdup (stream, &length);
- struct cleanup *old_cleanup = make_cleanup (xfree, buffer);
+ std::string buffer = ui_file_as_string (stream);
- if (length > 0)
- ui_out_field_string (uiout, fldname, buffer);
+ if (!buffer.empty ())
+ ui_out_field_string (uiout, fldname, buffer.c_str ());
else
ui_out_field_skip (uiout, fldname);
ui_file_rewind (stream);
- do_cleanups (old_cleanup);
}
/* Used to omit a field. */
}
void
-ui_out_message (struct ui_out *uiout, int verbosity,
- const char *format,...)
+ui_out_message (struct ui_out *uiout, const char *format, ...)
{
va_list args;
va_start (args, format);
- uo_message (uiout, verbosity, format, args);
+ uo_message (uiout, format, args);
va_end (args);
}
void
-ui_out_wrap_hint (struct ui_out *uiout, char *identstring)
+ui_out_wrap_hint (struct ui_out *uiout, const char *identstring)
{
uo_wrap_hint (uiout, identstring);
}
return uo_redirect (uiout, outstream);
}
-/* 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;
-}
-
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)
-{
-}
-
-static void
-default_data_destroy (struct ui_out *uiout)
-{
-}
-
/* Interface to the implementation functions. */
void
void
uo_table_header (struct ui_out *uiout, int width, enum ui_align align,
- const char *col_name,
- const char *colhdr)
+ const std::string &col_name, const std::string &col_hdr)
{
if (!uiout->impl->table_header)
return;
- uiout->impl->table_header (uiout, width, align, col_name, colhdr);
+ uiout->impl->table_header (uiout, width, align, col_name, col_hdr);
}
/* Clear the table associated with UIOUT. */
static void
clear_table (struct ui_out *uiout)
{
- xfree (uiout->table.id);
- uiout->table.id = NULL;
+ uiout->table.id.clear ();
clear_header_list (uiout);
}
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);
+ uiout->impl->begin (uiout, type, id);
}
void
uo_end (struct ui_out *uiout,
- enum ui_out_type type,
- int level)
+ enum ui_out_type type)
{
if (uiout->impl->end == NULL)
return;
- uiout->impl->end (uiout, type, level);
+ uiout->impl->end (uiout, type);
}
void
}
void
-uo_message (struct ui_out *uiout, int verbosity,
+uo_message (struct ui_out *uiout,
const char *format,
va_list args)
{
if (!uiout->impl->message)
return;
- uiout->impl->message (uiout, verbosity, format, args);
+ uiout->impl->message (uiout, format, args);
}
void
-uo_wrap_hint (struct ui_out *uiout, char *identstring)
+uo_wrap_hint (struct ui_out *uiout, const char *identstring)
{
if (!uiout->impl->wrap_hint)
return;
{
if (!uiout->impl->redirect)
return -1;
- uiout->impl->redirect (uiout, outstream);
- return 0;
-}
-
-void
-uo_data_destroy (struct ui_out *uiout)
-{
- if (!uiout->impl->data_destroy)
- return;
-
- uiout->impl->data_destroy (uiout);
+ return uiout->impl->redirect (uiout, outstream);
}
/* local functions */
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;
- xfree (uiout->table.header_next->colhdr);
- xfree (uiout->table.header_next->col_name);
- xfree (uiout->table.header_next);
- }
- gdb_assert (uiout->table.header_first == NULL);
- uiout->table.header_last = NULL;
- uiout->table.header_next = NULL;
+ uiout->table.headers.clear ();
+ uiout->table.headers_iterator = uiout->table.headers.end ();
}
static void
append_header_to_list (struct ui_out *uiout,
int width,
enum ui_align alignment,
- const char *col_name,
- const char *colhdr)
+ const std::string &col_name,
+ const std::string &col_hdr)
{
- struct ui_out_hdr *temphdr;
-
- temphdr = XNEW (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;
+ std::unique_ptr<ui_out_hdr> temphdr(
+ new ui_out_hdr (uiout->table.headers.size () + 1, width,
+ alignment, col_name, col_hdr));
- if (col_name != NULL)
- temphdr->col_name = xstrdup (col_name);
- else if (colhdr != NULL)
- temphdr->col_name = xstrdup (colhdr);
- else
- temphdr->col_name = NULL;
-
- 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;
+ uiout->table.headers.push_back (std::move (temphdr));
}
/* Extract the format information for the NEXT header and advance
int *colno,
int *width,
enum ui_align *alignment,
- char **colhdr)
+ const char **col_hdr)
{
/* There may be no headers at all or we may have used all columns. */
- if (uiout->table.header_next == NULL)
+ if (uiout->table.headers_iterator == uiout->table.headers.end ())
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;
+
+ ui_out_hdr *hdr = uiout->table.headers_iterator->get ();
+
+ *colno = hdr->number ();
+ *width = hdr->min_width ();
+ *alignment = hdr->alignment ();
+ *col_hdr = hdr->header ().c_str ();
+
/* Advance the header pointer to the next entry. */
- uiout->table.header_next = uiout->table.header_next->next;
+ uiout->table.headers_iterator++;
+
return 1;
}
verify_field (struct ui_out *uiout, int *fldno, int *width,
enum ui_align *align)
{
- struct ui_out_level *current = current_level (uiout);
- char *text;
+ ui_out_level *current = current_level (uiout);
+ const char *text;
if (uiout->table.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;
+ current->inc_field_count ();
if (uiout->table.body_flag
- && uiout->table.entry_level == uiout->level
+ && uiout->table.entry_level == uiout->level ()
&& get_next_header (uiout, 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."));
}
{
*width = 0;
*align = ui_noalign;
- *fldno = current->field_count;
+ *fldno = current->field_count ();
}
}
/* Access table field parameters. */
int
ui_out_query_field (struct ui_out *uiout, int colno,
- int *width, int *alignment, char **col_name)
+ int *width, int *alignment, const char **col_name)
{
- struct ui_out_hdr *hdr;
-
if (!uiout->table.flag)
return 0;
- for (hdr = uiout->table.header_first; hdr; hdr = hdr->next)
- if (hdr->colno == colno)
- {
- *width = hdr->width;
- *alignment = hdr->alignment;
- *col_name = hdr->col_name;
- return 1;
- }
+ /* Column numbers are 1-based, so convert to 0-based index. */
+ int index = colno - 1;
- return 0;
+ if (index >= 0 && index < uiout->table.headers.size ())
+ {
+ ui_out_hdr *hdr = uiout->table.headers[index].get ();
+
+ gdb_assert (colno == hdr->number ());
+
+ *width = hdr->min_width ();
+ *alignment = hdr->alignment ();
+ *col_name = hdr->name ().c_str ();
+
+ return 1;
+ }
+ else
+ return 0;
}
-/* Initalize private members at startup. */
+/* Initialize private members at startup. */
struct ui_out *
ui_out_new (const struct ui_out_impl *impl, void *data,
int flags)
{
- struct ui_out *uiout = XNEW (struct ui_out);
- struct ui_out_level *current = XNEW (struct ui_out_level);
+ struct ui_out *uiout = new ui_out ();
uiout->data = data;
uiout->impl = impl;
uiout->flags = flags;
uiout->table.flag = 0;
uiout->table.body_flag = 0;
- uiout->level = 0;
- uiout->levels = NULL;
-
- /* Create uiout->level 0, the default level. */
- current->type = ui_out_type_tuple;
- current->field_count = 0;
- VEC_safe_push (ui_out_level_p, uiout->levels, current);
-
- uiout->table.id = NULL;
- uiout->table.header_first = NULL;
- uiout->table.header_last = NULL;
- uiout->table.header_next = NULL;
- return uiout;
-}
-/* Free UIOUT and the memory areas it references. */
+ /* Create the ui-out level #1, the default level. */
+ push_level (uiout, ui_out_type_tuple);
-void
-ui_out_destroy (struct ui_out *uiout)
-{
- int i;
- struct ui_out_level *current;
-
- /* Make sure that all levels are freed in the case where levels have
- been pushed, but not popped before the ui_out object is
- destroyed. */
- for (i = 0;
- VEC_iterate (ui_out_level_p, uiout->levels, i, current);
- ++i)
- xfree (current);
-
- VEC_free (ui_out_level_p, uiout->levels);
- uo_data_destroy (uiout);
- clear_table (uiout);
- xfree (uiout);
-}
-
-/* Standard gdb initialization hook. */
+ uiout->table.headers_iterator = uiout->table.headers.end ();
-void
-_initialize_ui_out (void)
-{
- /* nothing needs to be done */
+ return uiout;
}