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gdb/gdb-bz562763-pretty-print-2d-vectors.patch
Jan Kratochvil 3080c0e54f - Rebase to FSF GDB 7.2.50.20110218 (which is a 7.3 pre-release). 
- [vla] Fox Fortran vector slices for allocated arrays (for BZ 609782).
2011-02-18 11:25:34 +01:00

399 lines
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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-7.2.50.20110218/gdb/valprint.h
===================================================================
--- gdb-7.2.50.20110218.orig/gdb/valprint.h 2011-02-14 12:35:45.000000000 +0100
+++ gdb-7.2.50.20110218/gdb/valprint.h 2011-02-18 10:44:32.000000000 +0100
@@ -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-7.2.50.20110218/gdb/python/py-prettyprint.c
===================================================================
--- gdb-7.2.50.20110218.orig/gdb/python/py-prettyprint.c 2011-02-14 12:10:53.000000000 +0100
+++ gdb-7.2.50.20110218/gdb/python/py-prettyprint.c 2011-02-18 10:45:02.000000000 +0100
@@ -501,7 +501,7 @@ print_children (PyObject *printer, const
/* Use the prettyprint_arrays option if we are printing an array,
and the pretty option otherwise. */
- if (is_array)
+ if (is_array || options->prettyprint_matrix)
pretty = options->prettyprint_arrays;
else
{
@@ -521,6 +521,9 @@ 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)
@@ -555,12 +558,23 @@ 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);
@@ -589,6 +603,10 @@ 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
@@ -667,7 +685,12 @@ 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:
@@ -689,6 +712,7 @@ apply_val_pretty_printer (struct type *t
char *hint = NULL;
struct cleanup *cleanups;
int result = 0;
+ struct value_print_options *options_copy;
enum string_repr_result print_result;
/* No pretty-printer support for unavailable values. */
@@ -726,9 +750,21 @@ 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 */
+ if (options_copy->prettyprint_matrix)
+ print_result = string_repr_none;
+else /* Red Hat 2D matrix patch */
print_result = print_string_repr (printer, hint, stream, recurse,
options, language, gdbarch);
if (print_result != string_repr_error)
Index: gdb-7.2.50.20110218/gdb/testsuite/gdb.python/pr10659.cc
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.2.50.20110218/gdb/testsuite/gdb.python/pr10659.cc 2011-02-18 10:44:32.000000000 +0100
@@ -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-7.2.50.20110218/gdb/testsuite/gdb.python/pr10659.exp
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.2.50.20110218/gdb/testsuite/gdb.python/pr10659.exp 2011-02-18 10:44:32.000000000 +0100
@@ -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
+# $3 =
+# {
+# {
+# {0 1 }
+# {10 11 }
+# {20 21 }
+# }
+# {
+# {100 101 }
+# {110 111 }
+# {120 121 }
+# }
+# {
+# {200 201 }
+# {210 211 }
+# {220 221 }
+# }
+# {
+# {300 301 }
+# {310 311 }
+# {320 321 }
+# }
+# }
+#
+
+
Index: gdb-7.2.50.20110218/gdb/testsuite/gdb.python/pr10659.py
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.2.50.20110218/gdb/testsuite/gdb.python/pr10659.py 2011-02-18 10:44:32.000000000 +0100
@@ -0,0 +1,109 @@
+# Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+import gdb
+import itertools
+import re
+
+vector_sig = 'std::vector'
+vector_regex = re.compile('^' + vector_sig + '<.*>$')
+
+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-7.2.50.20110218/gdb/valprint.c
===================================================================
--- gdb-7.2.50.20110218.orig/gdb/valprint.c 2011-02-18 10:44:16.000000000 +0100
+++ gdb-7.2.50.20110218/gdb/valprint.c 2011-02-18 10:44:32.000000000 +0100
@@ -85,7 +85,8 @@ 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. */
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