binutils-gdb/gdb/testsuite/gdb.python/py-mi.exp

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# Copyright (C) 2008-2014 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/>.
# This file is part of the GDB testsuite. It tests Python-based
# pretty-printing for MI.
load_lib mi-support.exp
set MIFLAGS "-i=mi2"
gdb_exit
if [mi_gdb_start] {
continue
}
standard_testfile py-prettyprint.c
set pyfile py-prettyprint.py
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DMI}] != "" } {
untested ${testfile}.exp
return -1
}
mi_delete_breakpoints
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_load ${binfile}
if {[lsearch -exact [mi_get_features] python] < 0} {
unsupported "python support is disabled"
return -1
}
mi_runto main
set remote_python_file [gdb_remote_download host ${srcdir}/${subdir}/${pyfile}]
mi_gdb_test "python exec (open ('${remote_python_file}').read ())" ""
mi_continue_to_line [gdb_get_line_number {MI breakpoint here} ${srcfile}] \
"step to breakpoint"
mi_create_floating_varobj container c \
"create container varobj, no pretty-printing"
mi_list_varobj_children container {
{ container.name name 1 string }
{ container.len len 0 int }
{ container.elements elements 1 "int ." }
} "examine container children=0, no pretty-printing"
mi_delete_varobj container "delete varobj"
mi_create_floating_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 \
"struct string_repr" \
"create string_1 varobj"
mi_create_varobj_checked lstring estring \
"struct lazystring" \
"create estring varobj"
mi_gdb_test "-data-evaluate-expression \"string_1 = string_2\"" ".*" \
"assign string_1 from string_2"
mi_gdb_test "-var-update string" \
"\\^done,changelist=\\\[{name=\"string\",in_scope=\"true\",type_changed=\"false\",dynamic=\"1\",has_more=\"0\"}\\\]" \
"update string varobj after assignment"
# The "elements" field of "c" is still empty, so the attribute
# "has_more" is expected to be zero.
mi_create_dynamic_varobj container c 0 \
"create container varobj"
mi_list_varobj_children container {
} "examine container children=0"
mi_next "next over update 1"
mi_varobj_update_dynamic container "varobj update 1" {
type_changed false new_num_children 1 dynamic 1 has_more 0
} {
} {
{ name {container.\[0\]} exp {\[0\]} numchild 0 type int thread-id 1 }
}
mi_next "next over update 2"
mi_varobj_update_dynamic container "varobj update 2" {
type_changed false new_num_children 2 dynamic 1 has_more 0
} {
} {
{ name {container.\[1\]} exp {\[1\]} numchild 0 type int thread-id 1 }
}
mi_gdb_test "-var-set-visualizer container None" \
"\\^done" \
"clear visualizer"
mi_gdb_test "-var-update container" \
"\\^done,changelist=\\\[\\\]" \
"varobj update after clearing"
mi_gdb_test "-var-set-visualizer container gdb.default_visualizer" \
"\\^done" \
"choose default visualizer"
mi_varobj_update_dynamic container "varobj update after choosing default" {
type_changed false new_num_children 2 dynamic 1 has_more 0
} {
} {
{ name {container.\[0\]} exp {\[0\]} numchild 0 type int thread-id 1 }
{ name {container.\[1\]} exp {\[1\]} numchild 0 type int thread-id 1 }
}
mi_gdb_test "-var-set-visualizer container ContainerPrinter" \
"\\^done" \
"choose visualizer using expression"
mi_varobj_update_dynamic container \
"varobj update after choosing via expression" {
type_changed false new_num_children 2 dynamic 1 has_more 0
} {
} {
{ name {container.\[0\]} exp {\[0\]} numchild 0 type int thread-id 1 }
{ name {container.\[1\]} exp {\[1\]} numchild 0 type int thread-id 1 }
}
mi_list_varobj_children_range container 1 2 2 {
{ {container.\[1\]} {\[1\]} 0 int }
} "list varobj children after selecting child range"
mi_list_varobj_children_range container -1 -1 2 {
{ {container.\[0\]} {\[0\]} 0 int }
{ {container.\[1\]} {\[1\]} 0 int }
} "list varobj children after resetting child range"
mi_next "next over update 3"
mi_gdb_test "-var-set-update-range container 0 1" \
"\\^done" \
"set update range"
# This should truncate the list.
mi_list_varobj_children container {
{ {container.\[0\]} {\[0\]} 0 int }
} "list children after setting update range"
# This should return just the items in [1,2).
mi_list_varobj_children_range container 1 2 2 {
{ {container.\[1\]} {\[1\]} 0 int }
} "list selected children after setting range"
# This should not be affected by the previous list-children request.
mi_list_varobj_children container {
{ {container.\[0\]} {\[0\]} 0 int }
} "list children after listing selected range"
mi_next "next over update 4"
# This should only show the first child, because the update range has
# been set.
mi_varobj_update_dynamic container \
"update after next with restricted range" {
type_changed false new_num_children 1 dynamic 1 has_more 1
} {
{ name {container.\[0\]} in_scope true type_changed false has_more 0 }
} {
}
mi_gdb_test "-var-set-update-range container 3 4" \
"\\^done" \
"set update range with non-zero start"
# Elements were updated but should not be reported.
mi_varobj_update_dynamic container \
"update varobj with change outside selected range" {
type_changed false new_num_children 3 dynamic 1 has_more 0
} {
} {
}
mi_next "next over update 5"
# Regression test: examine an object that has no children, then update
# it to ensure that we don't print the children.
mi_create_dynamic_varobj container2 c2 0 \
"create second container varobj"
mi_gdb_test "-var-update container2" \
"\\^done,changelist=.." \
"update varobj, no children requested"
mi_next "next over update 6"
# Now container2 has an element -- and an update should mention that
# it has_more. But, because we did not request children, we still
# should not actually see them.
mi_varobj_update_dynamic container2 \
"update varobj 2, no children requested" {
type_changed false dynamic 1 has_more 1
} {} {}
mi_continue_to_line \
[gdb_get_line_number {MI outer breakpoint here} ${srcfile}] \
"step to outer breakpoint"
mi_create_dynamic_varobj outer outer 1 \
"create outer varobj"
mi_list_varobj_children outer {
{ outer.s s 2 "struct substruct" }
{ outer.x x 0 "int" }
} "list children of outer"
mi_list_varobj_children outer.s {
{ outer.s.a a 0 int }
{ outer.s.b b 0 int }
} "list children of outer.s"
mi_next "next over outer update"
mi_gdb_test "-var-update outer" \
".done,changelist=.{name=\"outer.s.a\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"}." \
"update after updating element of outer"
mi_continue_to_line \
[gdb_get_line_number {Another MI breakpoint} ${srcfile}] \
"step to second breakpoint"
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} ${srcfile}] \
"step to outer breakpoint"
mi_create_dynamic_varobj nscont nstype 1 \
"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"
mi_gdb_test "python exception_flag = True" ""
mi_create_dynamic_varobj nstype2 nstype2 1 \
"create nstype2 varobj"
mi_list_varobj_children nstype2 {
{ {nstype2.<error at 0>} {<error at 0>} 6 {char \[6\]} }
} "list children after setting exception flag"
mi_create_varobj me me \
"create me varobj"
mi_gdb_test "-var-evaluate-expression me" \
"\\^done,value=\"<error reading variable: Cannot access memory.>.*\"" \
"evaluate me varobj"
# Regression test for python/14836.
mi_create_dynamic_varobj children_as_list children_as_list 1 \
"printer whose children are returned as a list"
# Regression test for bug 14741.
mi_continue_to_line \
[gdb_get_line_number {breakpoint bug 14741} ${srcfile}] \
"step to breakpoint for bug 14741"
mi_create_dynamic_varobj c c 1 \
"create varobj for c"
mi_gdb_test "-var-set-visualizer c ArrayPrinter" \
"\\^done" \
"choose array visualizer for c"
mi_list_varobj_children c {
{ {c.\[0\]} {\[0\]} 0 int }
} "list children of c"
mi_next "next over change of array element"
mi_gdb_test "-var-update c" \
"\\^done,changelist=\\\[{name=\"c.\\\[0\\\]\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"}\\\]" \
"update varobj after element change"
# C++ MI tests
gdb_exit
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}-cxx" \
executable {debug c++ additional_flags=-DMI}] != "" } {
untested "Couldn't compile ${srcfile} in c++ mode"
return -1
}
if [mi_gdb_start] {
continue
}
mi_delete_breakpoints
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_load ${binfile}-cxx
if {[lsearch -exact [mi_get_features] python] < 0} {
unsupported "python support is disabled"
return -1
}
mi_runto main
mi_continue_to_line \
[gdb_get_line_number {break to inspect struct and union} ${srcfile}] \
"step to breakpoint"
# Test python/12531. Install visualizer on a cplus_fake_child.
mi_create_varobj fake fake \
"create fake varobj"
mi_list_varobj_children fake {
{ fake.private private 1 }
} "list children of fake"
mi_list_varobj_children fake.private {
{ fake.private.sname sname 0 int }
} "list children fake.private"
mi_gdb_test "-var-set-visualizer fake.private gdb.default_visualizer" \
"\\^done" "Install visualizer on a cplus_fake_child"
remote_file host delete ${remote_python_file}