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- Print 2D C++ vectors as matrices (BZ 562763, sourceware10659, Chris 

Moller).
This commit is contained in:
Jan Kratochvil 2010-06-30 14:11:31 +00:00
parent 61b288432e
commit 6068e6305e
4 changed files with 886 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
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@ -0,0 +1,43 @@
2010-06-01 Chris Moller <cmoller@redhat.com>
* python/libstdcxx/v6/printers.py (StdVectorPrinter): Add
detection for matrices as nested vectors.
Index: libstdc++-v3/python/libstdcxx/v6/printers.py
===================================================================
--- ./libstdc++-v3-python-r155978/libstdcxx/v6/printers.py (revision 159937)
+++ ./libstdc++-v3-python-r155978/libstdcxx/v6/printers.py (working copy)
@@ -19,6 +19,9 @@
import itertools
import re
+vector_sig = 'std::vector'
+vector_regex = re.compile('^' + vector_sig + '<.*>$')
+
class StdPointerPrinter:
"Print a smart pointer of some kind"
@@ -186,7 +189,13 @@
% (self.typename, int (finish - start), int (end - start)))
def display_hint(self):
- return 'array'
+ itype0 = self.val.type.template_argument(0)
+ itag = itype0.tag
+ if itag and re.match(vector_regex, itag):
+ rc = 'matrix'
+ else:
+ rc = 'array'
+ return rc
class StdVectorIteratorPrinter:
"Print std::vector::iterator"
@@ -692,7 +701,7 @@
pretty_printers_dict[re.compile('^std::set<.*>$')] = lambda val: StdSetPrinter("std::set", val)
pretty_printers_dict[re.compile('^std::stack<.*>$')] = lambda val: StdStackOrQueuePrinter("std::stack", val)
pretty_printers_dict[re.compile('^std::unique_ptr<.*>$')] = UniquePointerPrinter
- pretty_printers_dict[re.compile('^std::vector<.*>$')] = lambda val: StdVectorPrinter("std::vector", val)
+ pretty_printers_dict[vector_regex] = lambda val: StdVectorPrinter(vector_sig, val)
# vector<bool>
# Printer registrations for classes compiled with -D_GLIBCXX_DEBUG.

427
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@ -0,0 +1,427 @@
commit e5ea8d026015c2a0c7774788b425914857de1ffb
Author: pmuldoon <pmuldoon>
Date: Wed Apr 14 12:02:42 2010 +0000
2010-04-14 Phil Muldoon <pmuldoon@redhat.com>
PR python/11381
* python/py-prettyprint.c (pretty_print_one_value): Test for
Py_None.
(print_string_repr): Test for Py_None. Set flags accordingly.
Return value depending on return type.
(print_children): Take a value indicating whether data was printed
before this function was called. Alter output accordingly.
(apply_val_pretty_printer): Capture return value from
print_string_repr and pass to print_children.
2010-04-14 Phil Muldoon <pmuldoon@redhat.com>
* gdb.python/py-prettyprint.py (NoStringContainerPrinter): New printer.
* gdb.python/py-prettyprint.c: Add justchildren struct, typedefs.
* gdb.python/py-prettyprint.exp: New test for to_string returning None.
* gdb.python/py-mi.exp: New test for to_string returning None.
2010-04-14 Phil Muldoon <pmuldoon@redhat.com>
* gdb.texinfo (Pretty Printing): Document behaviour when to_string
returns None.
### a/gdb/ChangeLog
### b/gdb/ChangeLog
## -1,3 +1,16 @@
+2010-04-14 Phil Muldoon <pmuldoon@redhat.com>
+
+ PR python/11381
+
+ * python/py-prettyprint.c (pretty_print_one_value): Test for
+ Py_None.
+ (print_string_repr): Test for Py_None. Set flags accordingly.
+ Return value depending on return type.
+ (print_children): Take a value indicating whether data was printed
+ before this function was called. Alter output accordingly.
+ (apply_val_pretty_printer): Capture return value from
+ print_string_repr and pass to print_children.
+
2010-04-13 Mark Kettenis <kettenis@gnu.org>
PR corefiles/11481
### a/gdb/doc/ChangeLog
### b/gdb/doc/ChangeLog
## -1,3 +1,8 @@
+2010-04-14 Phil Muldoon <pmuldoon@redhat.com>
+
+ * gdb.texinfo (Pretty Printing): Document behaviour when to_string
+ returns None.
+
2010-04-09 Stan Shebs <stan@codesourcery.com>
* gdb.texinfo (gdb/mi Tracepoint Commands) <-trace-status>:
Index: gdb-7.1/gdb/doc/gdb.texinfo
===================================================================
--- gdb-7.1.orig/gdb/doc/gdb.texinfo 2010-06-30 03:22:07.000000000 +0200
+++ gdb-7.1/gdb/doc/gdb.texinfo 2010-06-30 03:22:20.000000000 +0200
@@ -20344,6 +20344,9 @@ the resulting value. Again, this may re
pretty-printer. Python scalars (integers, floats, and booleans) and
strings are convertible to @code{gdb.Value}; other types are not.
+Finally, if this method returns @code{None} then no further operations
+are peformed in this method and nothing is printed.
+
If the result is not one of these types, an exception is raised.
@end defop
Index: gdb-7.1/gdb/python/py-prettyprint.c
===================================================================
--- gdb-7.1.orig/gdb/python/py-prettyprint.c 2010-06-30 03:22:02.000000000 +0200
+++ gdb-7.1/gdb/python/py-prettyprint.c 2010-06-30 03:23:38.000000000 +0200
@@ -125,9 +125,12 @@ find_pretty_printer (PyObject *value)
/* Pretty-print a single value, via the printer object PRINTER.
If the function returns a string, a PyObject containing the string
- is returned. Otherwise, if the function returns a value,
- *OUT_VALUE is set to the value, and NULL is returned. On error,
- *OUT_VALUE is set to NULL, and NULL is returned. */
+ is returned. If the function returns Py_NONE that means the pretty
+ printer returned the Python None as a value. Otherwise, if the
+ function returns a value, *OUT_VALUE is set to the value, and NULL
+ is returned. On error, *OUT_VALUE is set to NULL, and NULL is
+ returned. */
+
static PyObject *
pretty_print_one_value (PyObject *printer, struct value **out_value)
{
@@ -140,7 +143,8 @@ pretty_print_one_value (PyObject *printe
result = PyObject_CallMethodObjArgs (printer, gdbpy_to_string_cst, NULL);
if (result)
{
- if (! gdbpy_is_string (result) && ! gdbpy_is_lazy_string (result))
+ if (! gdbpy_is_string (result) && ! gdbpy_is_lazy_string (result)
+ && result != Py_None)
{
*out_value = convert_value_from_python (result);
if (PyErr_Occurred ())
@@ -184,8 +188,11 @@ gdbpy_get_display_hint (PyObject *printe
}
/* Helper for apply_val_pretty_printer which calls to_string and
- formats the result. */
-static void
+ formats the result. If the value returnd is Py_None, nothing is
+ printed and the function returns a 1; in all other cases data is
+ printed as given by the pretty printer and the function returns 0.
+*/
+static int
print_string_repr (PyObject *printer, const char *hint,
struct ui_file *stream, int recurse,
const struct value_print_options *options,
@@ -194,52 +201,58 @@ print_string_repr (PyObject *printer, co
{
struct value *replacement = NULL;
PyObject *py_str = NULL;
+ int is_py_none = 0;
py_str = pretty_print_one_value (printer, &replacement);
if (py_str)
{
- gdb_byte *output = NULL;
- long length;
- struct type *type;
- char *encoding = NULL;
- PyObject *string = NULL;
- int is_lazy;
-
- is_lazy = gdbpy_is_lazy_string (py_str);
- if (is_lazy)
- output = gdbpy_extract_lazy_string (py_str, &type, &length, &encoding);
+ if (py_str == Py_None)
+ is_py_none = 1;
else
{
- string = python_string_to_target_python_string (py_str);
- if (string)
+ gdb_byte *output = NULL;
+ long length;
+ struct type *type;
+ char *encoding = NULL;
+ PyObject *string = NULL;
+ int is_lazy;
+
+ is_lazy = gdbpy_is_lazy_string (py_str);
+ if (is_lazy)
+ output = gdbpy_extract_lazy_string (py_str, &type, &length, &encoding);
+ else
{
- output = PyString_AsString (string);
- length = PyString_Size (string);
- type = builtin_type (gdbarch)->builtin_char;
+ string = python_string_to_target_python_string (py_str);
+ if (string)
+ {
+ output = PyString_AsString (string);
+ length = PyString_Size (string);
+ type = builtin_type (gdbarch)->builtin_char;
+ }
+ else
+ gdbpy_print_stack ();
+
+ }
+
+ if (output)
+ {
+ if (is_lazy || (hint && !strcmp (hint, "string")))
+ LA_PRINT_STRING (stream, type, output, length, encoding,
+ 0, options);
+ else
+ fputs_filtered (output, stream);
}
else
gdbpy_print_stack ();
- }
-
- if (output)
- {
- if (is_lazy || (hint && !strcmp (hint, "string")))
- LA_PRINT_STRING (stream, type, output, length, encoding,
- 0, options);
+ if (string)
+ Py_DECREF (string);
else
- fputs_filtered (output, stream);
- }
- else
- gdbpy_print_stack ();
-
- if (string)
- Py_DECREF (string);
- else
- xfree (output);
+ xfree (output);
- xfree (encoding);
- Py_DECREF (py_str);
+ xfree (encoding);
+ Py_DECREF (py_str);
+ }
}
else if (replacement)
{
@@ -250,6 +263,8 @@ print_string_repr (PyObject *printer, co
}
else
gdbpy_print_stack ();
+
+ return is_py_none;
}
static void
@@ -328,12 +343,14 @@ push_dummy_python_frame ()
}
/* Helper for apply_val_pretty_printer that formats children of the
- printer, if any exist. */
+ printer, if any exist. If is_py_none is true, then nothing has
+ been printed by to_string, and format output accordingly. */
static void
print_children (PyObject *printer, const char *hint,
struct ui_file *stream, int recurse,
const struct value_print_options *options,
- const struct language_defn *language)
+ const struct language_defn *language,
+ int is_py_none)
{
int is_map, is_array, done_flag, pretty;
unsigned int i;
@@ -413,7 +430,13 @@ print_children (PyObject *printer, const
2. Arrays. Always print a ",".
3. Other. Always print a ",". */
if (i == 0)
- fputs_filtered (" = {", stream);
+ {
+ if (is_py_none)
+ fputs_filtered ("{", stream);
+ else
+ fputs_filtered (" = {", stream);
+ }
+
else if (! is_map || i % 2 == 0)
fputs_filtered (pretty ? "," : ", ", stream);
@@ -537,7 +560,7 @@ apply_val_pretty_printer (struct type *t
char *hint = NULL;
struct cleanup *cleanups;
int result = 0;
-
+ int is_py_none = 0;
cleanups = ensure_python_env (gdbarch, language);
/* Instantiate the printer. */
@@ -562,9 +585,11 @@ apply_val_pretty_printer (struct type *t
make_cleanup (free_current_contents, &hint);
/* Print the section */
- print_string_repr (printer, hint, stream, recurse, options, language,
- gdbarch);
- print_children (printer, hint, stream, recurse, options, language);
+ is_py_none = print_string_repr (printer, hint, stream, recurse,
+ options, language, gdbarch);
+ print_children (printer, hint, stream, recurse, options, language,
+ is_py_none);
+
result = 1;
Index: gdb-7.1/gdb/testsuite/gdb.python/py-mi.exp
===================================================================
--- gdb-7.1.orig/gdb/testsuite/gdb.python/py-mi.exp 2010-01-14 09:03:37.000000000 +0100
+++ gdb-7.1/gdb/testsuite/gdb.python/py-mi.exp 2010-06-30 03:22:20.000000000 +0200
@@ -61,6 +61,16 @@ mi_list_varobj_children container {
mi_delete_varobj container "delete varobj"
+mi_create_dynamic_varobj nscont nstype \
+ "create nscont varobj, no pretty-printing"
+
+mi_list_varobj_children nscont {
+ { nscont.len len 0 int }
+ { nscont.elements elements 1 "int ." }
+} "examine nscont children=0, no pretty-printing"
+
+mi_delete_varobj nscont "delete varobj"
+
mi_gdb_test "-enable-pretty-printing" ""
mi_create_varobj_checked string string_1 \
@@ -239,4 +249,29 @@ mi_continue_to_line \
mi_varobj_update_with_type_change container int 0 "update after type change"
+
+mi_continue_to_line \
+ [gdb_get_line_number {break to inspect struct and union} ${testfile}.c] \
+ "step to outer breakpoint"
+
+mi_create_dynamic_varobj nscont nstype \
+ "create nstype varobj"
+
+mi_list_varobj_children nscont {
+ { {nscont.\[0\]} {\[0\]} 0 int }
+ { {nscont.\[1\]} {\[1\]} 0 int }
+} "list children after setting update range"
+
+mi_gdb_test "-var-set-visualizer nscont None" \
+ "\\^done" \
+ "clear visualizer"
+
+mi_gdb_test "-var-update nscont" \
+ "\\^done,changelist=\\\[\\\]" \
+ "varobj update after clearing"
+
+mi_gdb_test "-var-set-visualizer nscont gdb.default_visualizer" \
+ "\\^done" \
+ "choose default visualizer"
+
remote_file host delete ${remote_python_file}
Index: gdb-7.1/gdb/testsuite/gdb.python/py-prettyprint.c
===================================================================
--- gdb-7.1.orig/gdb/testsuite/gdb.python/py-prettyprint.c 2010-01-14 09:03:37.000000000 +0100
+++ gdb-7.1/gdb/testsuite/gdb.python/py-prettyprint.c 2010-06-30 03:22:20.000000000 +0200
@@ -119,6 +119,15 @@ typedef struct string_repr
/* This lets us avoid malloc. */
int array[100];
+int narray[10];
+
+struct justchildren
+{
+ int len;
+ int *elements;
+};
+
+typedef struct justchildren nostring_type;
struct container
{
@@ -196,7 +205,9 @@ main ()
const struct string_repr cstring = { { "const string" } };
/* Clearing by being `static' could invoke an other GDB C++ bug. */
struct nullstr nullstr;
-
+ nostring_type nstype;
+ nstype.elements = narray;
+ nstype.len = 0;
init_ss(&ss, 1, 2);
init_ss(ssa+0, 3, 4);
@@ -249,5 +260,9 @@ main ()
do_nothing ();
#endif
+ nstype.elements[0] = 7;
+ nstype.elements[1] = 42;
+ nstype.len = 2;
+
return 0; /* break to inspect struct and union */
}
Index: gdb-7.1/gdb/testsuite/gdb.python/py-prettyprint.exp
===================================================================
--- gdb-7.1.orig/gdb/testsuite/gdb.python/py-prettyprint.exp 2010-06-30 03:22:02.000000000 +0200
+++ gdb-7.1/gdb/testsuite/gdb.python/py-prettyprint.exp 2010-06-30 03:24:14.000000000 +0200
@@ -115,6 +115,7 @@ proc run_lang_tests {lang} {
gdb_test "print nullstr" "RuntimeError: Error reading string from inferior.*"
+ gdb_test "print nstype" " = {$nl *.0. = 7,$nl *.1. = 42$nl}"
gdb_test "continue" "Program exited normally\."
remote_file host delete ${remote_python_file}
Index: gdb-7.1/gdb/testsuite/gdb.python/py-prettyprint.py
===================================================================
--- gdb-7.1.orig/gdb/testsuite/gdb.python/py-prettyprint.py 2010-01-14 09:03:37.000000000 +0100
+++ gdb-7.1/gdb/testsuite/gdb.python/py-prettyprint.py 2010-06-30 03:22:20.000000000 +0200
@@ -53,6 +53,33 @@ class ContainerPrinter:
def children(self):
return self._iterator(self.val['elements'], self.val['len'])
+# Test a printer where to_string is None
+class NoStringContainerPrinter:
+ class _iterator:
+ def __init__ (self, pointer, len):
+ self.start = pointer
+ self.pointer = pointer
+ self.end = pointer + len
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ if self.pointer == self.end:
+ raise StopIteration
+ result = self.pointer
+ self.pointer = self.pointer + 1
+ return ('[%d]' % int (result - self.start), result.dereference())
+
+ def __init__(self, val):
+ self.val = val
+
+ def to_string(self):
+ return None
+
+ def children(self):
+ return self._iterator(self.val['elements'], self.val['len'])
+
class pp_s:
def __init__(self, val):
self.val = val
@@ -190,8 +217,10 @@ def register_pretty_printers ():
# both the C and C++ cases.
pretty_printers_dict[re.compile ('^struct string_repr$')] = string_print
pretty_printers_dict[re.compile ('^struct container$')] = ContainerPrinter
+ pretty_printers_dict[re.compile ('^struct justchildren$')] = NoStringContainerPrinter
pretty_printers_dict[re.compile ('^string_repr$')] = string_print
pretty_printers_dict[re.compile ('^container$')] = ContainerPrinter
+ pretty_printers_dict[re.compile ('^justchildren$')] = NoStringContainerPrinter
pretty_printers_dict[re.compile ('^struct ns$')] = pp_ns
pretty_printers_dict[re.compile ('^ns$')] = pp_ns

404
gdb-bz562763-pretty-print-2d-vectors.patch Normal file
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@ -0,0 +1,404 @@
2010-05-31 Chris Moller <cmoller@redhat.com>
* python/py-prettyprint.c (print_children): Add formatting for
matrices. (apply_val_pretty_printer): Detect and deal with matrix
hints.
2010-05-31 Chris Moller <cmoller@redhat.com>
* gdb.python/Makefile.in (EXECUTABLES): Added pr10659.
* gdb.python/pr10659.cc: New file.
* gdb.python/pr10659.exp. New file.
* gdb.python/pr10659.py: New file.
Index: gdb-7.1/gdb/valprint.h
===================================================================
--- gdb-7.1.orig/gdb/valprint.h 2010-06-30 14:02:16.000000000 +0200
+++ gdb-7.1/gdb/valprint.h 2010-06-30 14:35:24.000000000 +0200
@@ -90,6 +90,9 @@ struct value_print_options
/* If nonzero, print the value in "summary" form. */
int summary;
+
+ /* Affects pretty printing of matrices. */
+ int prettyprint_matrix;
};
/* The global print options set by the user. In general this should
Index: gdb-7.1/gdb/python/py-prettyprint.c
===================================================================
--- gdb-7.1.orig/gdb/python/py-prettyprint.c 2010-06-30 14:01:40.000000000 +0200
+++ gdb-7.1/gdb/python/py-prettyprint.c 2010-06-30 14:34:49.000000000 +0200
@@ -385,7 +385,8 @@ print_children (PyObject *printer, const
/* Use the prettyprint_arrays option if we are printing an array,
and the pretty option otherwise. */
- pretty = is_array ? options->prettyprint_arrays : options->pretty;
+ pretty = (is_array || options->prettyprint_matrix) ?
+ options->prettyprint_arrays : options->pretty;
/* Manufacture a dummy Python frame to work around Python 2.4 bug,
where it insists on having a non-NULL tstate->frame when
@@ -397,6 +398,9 @@ print_children (PyObject *printer, const
goto done;
}
make_cleanup_py_decref (frame);
+
+ if (options->prettyprint_matrix && recurse == 0)
+ fputs_filtered ("\n", stream);
done_flag = 0;
for (i = 0; i < options->print_max; ++i)
@@ -431,12 +435,23 @@ print_children (PyObject *printer, const
3. Other. Always print a ",". */
if (i == 0)
{
- if (is_py_none)
- fputs_filtered ("{", stream);
- else
- fputs_filtered (" = {", stream);
+ if (options->prettyprint_matrix && recurse == 0)
+ print_spaces_filtered (2 + 2 * recurse, stream);
+ if (is_py_none)
+ {
+ if (options->prettyprint_matrix && strcmp (hint, "array"))
+ {
+ fputs_filtered ("{\n", stream);
+ print_spaces_filtered (4 + 2 * recurse, stream);
+ }
+ else
+ fputs_filtered ("{", stream);
+ }
+ else
+ fputs_filtered (" = {", stream);
}
-
+ else if (options->prettyprint_matrix)
+ print_spaces_filtered (4 + 2 * recurse, stream);
else if (! is_map || i % 2 == 0)
fputs_filtered (pretty ? "," : ", ", stream);
@@ -465,6 +480,10 @@ print_children (PyObject *printer, const
if (is_map && i % 2 == 0)
fputs_filtered ("[", stream);
+ else if (options->prettyprint_matrix)
+ {
+ /* Force a do-nothing. */
+ }
else if (is_array)
{
/* We print the index, not whatever the child method
@@ -539,7 +558,12 @@ print_children (PyObject *printer, const
fputs_filtered ("\n", stream);
print_spaces_filtered (2 * recurse, stream);
}
- fputs_filtered ("}", stream);
+ if (options->prettyprint_matrix)
+ {
+ print_spaces_filtered (4 * recurse, stream);
+ fputs_filtered ("}\n", stream);
+ }
+ else fputs_filtered ("}", stream);
}
done:
@@ -561,6 +585,7 @@ apply_val_pretty_printer (struct type *t
struct cleanup *cleanups;
int result = 0;
int is_py_none = 0;
+ struct value_print_options *options_copy;
cleanups = ensure_python_env (gdbarch, language);
/* Instantiate the printer. */
@@ -582,12 +607,23 @@ apply_val_pretty_printer (struct type *t
/* If we are printing a map, we want some special formatting. */
hint = gdbpy_get_display_hint (printer);
+
+ if (recurse == 0)
+ {
+ options_copy = alloca (sizeof (struct value_print_options));
+ memcpy (options_copy, options, sizeof (struct value_print_options));
+ options_copy->prettyprint_matrix = hint && !strcmp (hint, "matrix");
+ }
+ else options_copy = (struct value_print_options *)options;
+
make_cleanup (free_current_contents, &hint);
/* Print the section */
- is_py_none = print_string_repr (printer, hint, stream, recurse,
- options, language, gdbarch);
- print_children (printer, hint, stream, recurse, options, language,
+ is_py_none = options_copy->prettyprint_matrix ?
+ 1 : print_string_repr (printer, hint, stream,
+ recurse, options_copy,
+ language, gdbarch);
+ print_children (printer, hint, stream, recurse, options_copy, language,
is_py_none);
result = 1;
Index: gdb-7.1/gdb/testsuite/gdb.python/pr10659.cc
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.1/gdb/testsuite/gdb.python/pr10659.cc 2010-06-30 14:34:49.000000000 +0200
@@ -0,0 +1,43 @@
+#include <list>
+#include <vector> // /usr/include/c++/4.4.1/bits/vector.tcc
+#include <iostream>
+
+using namespace std;
+
+int use_windows = 9999;
+
+int
+main(){
+ vector<int> test1(2,0);
+ test1[0]=8;
+ test1[1]=9;
+
+ vector< vector<int> > test2(3, vector<int>(2,0));
+ test2[0][0]=0;
+ test2[0][1]=1;
+ test2[1][0]=2;
+ test2[1][1]=3;
+ test2[2][0]=4;
+ test2[2][1]=5;
+
+#define NR_ROWS 2
+#define NR_COLS 3
+#define NR_PLANES 4
+ vector<int> rows(NR_ROWS, 0);
+ vector< vector<int> > columns(NR_COLS, rows);
+ vector< vector < vector<int> > > test3(NR_PLANES, columns);
+
+ cout << "rows.size() = " << rows.size()
+ << ", columns.size() = " << columns.size()
+ << ", test3.size() = " << test3.size() << "\n";
+
+ for (int i = 0; i < rows.size(); i++) {
+ for (int j = 0; j < columns.size(); j++) {
+ for (int k = 0; k < test3.size(); k++) {
+ test3[k][j][i] = k * 100 + j * 10 + i;
+ }
+ }
+ }
+
+ return 0; // break
+}
Index: gdb-7.1/gdb/testsuite/gdb.python/pr10659.exp
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.1/gdb/testsuite/gdb.python/pr10659.exp 2010-06-30 14:34:49.000000000 +0200
@@ -0,0 +1,82 @@
+#Copyright 2010 Free Software Foundation, Inc.
+
+# 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 3 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, see <http://www.gnu.org/licenses/>.
+
+set nl "\[\r\n\]+"
+
+set testfile pr10659
+set srcfile ${testfile}.cc
+if [prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}] {
+ return -1
+}
+
+#if { [skip_python_tests] } { continue }
+
+gdb_test "python execfile(\"$srcdir/$subdir/pr10659.py\")" ""
+gdb_test "python gdb.pretty_printers = \[lookup_function\]" ""
+
+if ![runto_main] then {
+ fail "Can't run to main"
+ return
+}
+
+gdb_breakpoint [gdb_get_line_number "break"]
+gdb_continue_to_breakpoint "break"
+
+gdb_test "p test1" "vector of length 2, capacity 2 =.*"
+
+gdb_test "p test2" "= $nl {$nl {.*"
+
+# Complete result is:
+#
+# (gdb) p test2
+# $2 =
+# {
+# {0 1 }
+# {2 3 }
+# {4 5 }
+# }
+
+
+gdb_test "p test3" "= $nl {$nl {$nl {.*"
+
+# Complete result is:
+#
+# (gdb) p test3
+# $3 =
+# {
+# {
+# {0 1 }
+# {10 11 }
+# {20 21 }
+# }
+# {
+# {100 101 }
+# {110 111 }
+# {120 121 }
+# }
+# {
+# {200 201 }
+# {210 211 }
+# {220 221 }
+# }
+# {
+# {300 301 }
+# {310 311 }
+# {320 321 }
+# }
+# }
+#
+
+
Index: gdb-7.1/gdb/testsuite/gdb.python/pr10659.py
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.1/gdb/testsuite/gdb.python/pr10659.py 2010-06-30 14:34:49.000000000 +0200
@@ -0,0 +1,109 @@
+# Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+import gdb
+import itertools
+import re
+
+vector_sig = 'std::vector'
+vector_regex = re.compile('^' + vector_sig + '<.*>$')
+
+class FakeVectorPrinter:
+ "Print a std::vector"
+
+ class _iterator:
+ def __init__ (self, start, finish):
+ self.item = start
+ self.finish = finish
+ self.count = 0
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ if self.item == self.finish:
+ raise StopIteration
+ count = self.count
+ self.count = self.count + 1
+ elt = self.item.dereference()
+ self.item = self.item + 1
+ return ('[%d]' % count, elt)
+
+ def __init__(self, typename, val):
+ self.typename = typename
+ self.val = val
+
+ def children(self):
+ return self._iterator(self.val['_M_impl']['_M_start'],
+ self.val['_M_impl']['_M_finish'])
+
+ def to_string(self):
+ start = self.val['_M_impl']['_M_start']
+ finish = self.val['_M_impl']['_M_finish']
+ end = self.val['_M_impl']['_M_end_of_storage']
+ return ('std::vector of length %d, capacity %d'
+ % (int (finish - start), int (end - start)))
+
+ def display_hint(self):
+ itype0 = self.val.type.template_argument(0)
+ itag = itype0.tag
+ if itag and re.match(vector_regex, itag):
+ rc = 'matrix'
+ else:
+ rc = 'array'
+ return rc
+
+def register_libstdcxx_printers (obj):
+ "Register libstdc++ pretty-printers with objfile Obj."
+
+ if obj == None:
+ obj = gdb
+
+ obj.pretty_printers.append (lookup_function)
+
+def lookup_function (val):
+ "Look-up and return a pretty-printer that can print val."
+
+ # Get the type.
+ type = val.type;
+
+ # If it points to a reference, get the reference.
+ if type.code == gdb.TYPE_CODE_REF:
+ type = type.target ()
+
+ # Get the unqualified type, stripped of typedefs.
+ type = type.unqualified ().strip_typedefs ()
+
+ # Get the type name.
+ typename = type.tag
+ if typename == None:
+ return None
+
+ # Iterate over local dictionary of types to determine
+ # if a printer is registered for that type. Return an
+ # instantiation of the printer if found.
+ for function in fake_pretty_printers_dict:
+ if function.search (typename):
+ return fake_pretty_printers_dict[function] (val)
+
+ # Cannot find a pretty printer. Return None.
+ return None
+
+def build_libfakecxx_dictionary ():
+ fake_pretty_printers_dict[vector_regex] = lambda val: FakeVectorPrinter(vector_sig, val)
+
+fake_pretty_printers_dict = {}
+
+build_libfakecxx_dictionary ()
Index: gdb-7.1/gdb/valprint.c
===================================================================
--- gdb-7.1.orig/gdb/valprint.c 2010-06-30 13:51:26.000000000 +0200
+++ gdb-7.1/gdb/valprint.c 2010-06-30 14:35:41.000000000 +0200
@@ -83,7 +83,8 @@ struct value_print_options user_print_op
1, /* static_field_print */
1, /* pascal_static_field_print */
0, /* raw */
- 0 /* summary */
+ 0, /* summary */
+ 0 /* prettyprint_matrix */
};
/* Initialize *OPTS to be a copy of the user print options. */

13
gdb.spec
View File

@ -36,7 +36,7 @@ Version: 7.1
# The release always contains a leading reserved number, start it at 1.
# `upstream' is not a part of `name' to stay fully rpm dependencies compatible for the testing.
Release: 27%{?_with_upstream:.upstream}%{dist}
Release: 28%{?_with_upstream:.upstream}%{dist}
License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ and GPLv2+ with exceptions and GPL+ and LGPLv2+ and GFDL and BSD and Public Domain
Group: Development/Debuggers
@ -522,6 +522,11 @@ Patch483: gdb-bz602314-ptype-class-typedef-3of3.patch
# Fix `set print object on' for some non-dynamic classes (BZ 606660).
Patch484: gdb-bz606660-print-object-nonvirtual.patch
# Print 2D C++ vectors as matrices (BZ 562763, sourceware10659, Chris Moller).
Patch485: gdb-bz562763-pretty-print-2d-vectors-prereq.patch
Patch486: gdb-bz562763-pretty-print-2d-vectors.patch
Patch487: gdb-bz562763-pretty-print-2d-vectors-libstdcxx.patch
BuildRequires: ncurses-devel%{?_isa} texinfo gettext flex bison expat-devel%{?_isa}
Requires: readline%{?_isa}
BuildRequires: readline-devel%{?_isa}
@ -821,6 +826,9 @@ rm -f gdb/jv-exp.c gdb/m2-exp.c gdb/objc-exp.c gdb/p-exp.c
%patch482 -p1
%patch483 -p1
%patch484 -p1
%patch485 -p1
%patch486 -p1
%patch487 -p1
%patch415 -p1
%patch393 -p1
@ -1153,6 +1161,9 @@ fi
%endif
%changelog
* Wed Jun 30 2010 Jan Kratochvil <jan.kratochvil@redhat.com> - 7.1-28.fc13
- Print 2D C++ vectors as matrices (BZ 562763, sourceware10659, Chris Moller).
* Wed Jun 30 2010 Jan Kratochvil <jan.kratochvil@redhat.com> - 7.1-27.fc13
- Fix obstack corruptions on C++ (BZ 606185, Chris Moller, Jan Kratochvil).
- Improve support for typedefs in classes (BZ 602314).