mirror of
https://sourceware.org/git/binutils-gdb.git
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369 lines
11 KiB
Plaintext
369 lines
11 KiB
Plaintext
# Copyright (C) 2008-2020 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file is part of the GDB testsuite. It tests Python-based
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# pretty-printing for MI.
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load_lib mi-support.exp
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set MIFLAGS "-i=mi2"
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gdb_exit
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if [mi_gdb_start] {
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continue
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}
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standard_testfile py-prettyprint.c
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set pyfile py-prettyprint.py
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DMI}] != "" } {
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untested "failed to compile"
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return -1
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}
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mi_delete_breakpoints
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mi_gdb_reinitialize_dir $srcdir/$subdir
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mi_gdb_load ${binfile}
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if {[lsearch -exact [mi_get_features] python] < 0} {
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unsupported "python support is disabled"
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return -1
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}
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mi_runto main
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set remote_python_file [gdb_remote_download host ${srcdir}/${subdir}/${pyfile}]
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mi_gdb_test "source ${remote_python_file}" "load python file"
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mi_continue_to_line [gdb_get_line_number {MI breakpoint here} ${srcfile}] \
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"step to breakpoint"
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mi_create_floating_varobj container c \
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"create container varobj, no pretty-printing"
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mi_list_varobj_children container {
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{ container.name name 1 string }
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{ container.len len 0 int }
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{ container.elements elements 1 "int ." }
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} "examine container children=0, no pretty-printing"
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mi_delete_varobj container "delete varobj"
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mi_create_floating_varobj nscont nstype \
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"create nscont varobj, no pretty-printing"
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mi_list_varobj_children nscont {
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{ nscont.len len 0 int }
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{ nscont.elements elements 1 "int ." }
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} "examine nscont children=0, no pretty-printing"
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mi_delete_varobj nscont "delete varobj"
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mi_gdb_test "-enable-pretty-printing" ""
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mi_create_varobj_checked string string_1 \
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"struct string_repr" \
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"create string_1 varobj"
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mi_create_varobj_checked lstring estring \
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"struct lazystring" \
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"create estring varobj"
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mi_gdb_test "-data-evaluate-expression \"string_1 = string_2\"" ".*" \
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"assign string_1 from string_2"
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mi_gdb_test "-var-update string" \
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"\\^done,changelist=\\\[{name=\"string\",in_scope=\"true\",type_changed=\"false\",dynamic=\"1\",has_more=\"0\"}\\\]" \
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"update string varobj after assignment"
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# The "elements" field of "c" is still empty, so the attribute
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# "has_more" is expected to be zero.
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mi_create_dynamic_varobj container c 0 \
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"create container varobj"
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mi_list_varobj_children container {
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} "examine container children=0"
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mi_next "next over update 1"
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mi_varobj_update_dynamic container "varobj update 1" {
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type_changed false new_num_children 1 dynamic 1 has_more 0
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} {
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} {
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{ name {container.\[0\]} exp {\[0\]} numchild 0 type int }
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}
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mi_next "next over update 2"
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mi_varobj_update_dynamic container "varobj update 2" {
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type_changed false new_num_children 2 dynamic 1 has_more 0
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} {
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} {
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{ name {container.\[1\]} exp {\[1\]} numchild 0 type int }
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}
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mi_gdb_test "-var-set-visualizer container None" \
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"\\^done" \
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"clear visualizer"
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mi_gdb_test "-var-update container" \
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"\\^done,changelist=\\\[\\\]" \
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"varobj update after clearing"
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mi_gdb_test "-var-set-visualizer container gdb.default_visualizer" \
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"\\^done" \
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"choose default visualizer"
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mi_varobj_update_dynamic container "varobj update after choosing default" {
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type_changed false new_num_children 2 dynamic 1 has_more 0
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} {
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} {
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{ name {container.\[0\]} exp {\[0\]} numchild 0 type int }
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{ name {container.\[1\]} exp {\[1\]} numchild 0 type int }
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}
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mi_gdb_test "-var-set-visualizer container ContainerPrinter" \
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"\\^done" \
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"choose visualizer using expression"
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mi_varobj_update_dynamic container \
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"varobj update after choosing via expression" {
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type_changed false new_num_children 2 dynamic 1 has_more 0
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} {
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} {
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{ name {container.\[0\]} exp {\[0\]} numchild 0 type int }
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{ name {container.\[1\]} exp {\[1\]} numchild 0 type int }
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}
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mi_list_varobj_children_range container 1 2 2 {
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{ {container.\[1\]} {\[1\]} 0 int }
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} "list varobj children after selecting child range"
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mi_list_varobj_children_range container -1 -1 2 {
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{ {container.\[0\]} {\[0\]} 0 int }
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{ {container.\[1\]} {\[1\]} 0 int }
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} "list varobj children after resetting child range"
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mi_next "next over update 3"
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mi_gdb_test "-var-set-update-range container 0 1" \
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"\\^done" \
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"set update range"
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# This should truncate the list.
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mi_list_varobj_children container {
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{ {container.\[0\]} {\[0\]} 0 int }
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} "list children after setting update range"
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# This should return just the items in [1,2).
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mi_list_varobj_children_range container 1 2 2 {
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{ {container.\[1\]} {\[1\]} 0 int }
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} "list selected children after setting range"
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# This should not be affected by the previous list-children request.
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mi_list_varobj_children container {
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{ {container.\[0\]} {\[0\]} 0 int }
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} "list children after listing selected range"
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mi_next "next over update 4"
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# This should only show the first child, because the update range has
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# been set.
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mi_varobj_update_dynamic container \
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"update after next with restricted range" {
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type_changed false new_num_children 1 dynamic 1 has_more 1
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} {
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{ name {container.\[0\]} in_scope true type_changed false has_more 0 }
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} {
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}
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mi_gdb_test "-var-set-update-range container 3 4" \
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"\\^done" \
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"set update range with non-zero start"
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# Elements were updated but should not be reported.
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mi_varobj_update_dynamic container \
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"update varobj with change outside selected range" {
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type_changed false new_num_children 3 dynamic 1 has_more 0
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} {
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} {
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}
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mi_next "next over update 5"
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# Regression test: examine an object that has no children, then update
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# it to ensure that we don't print the children.
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mi_create_dynamic_varobj container2 c2 0 \
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"create second container varobj"
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mi_gdb_test "-var-update container2" \
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"\\^done,changelist=.." \
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"update varobj, no children requested"
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mi_next "next over update 6"
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# Now container2 has an element -- and an update should mention that
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# it has_more. But, because we did not request children, we still
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# should not actually see them.
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mi_varobj_update_dynamic container2 \
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"update varobj 2, no children requested" {
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type_changed false dynamic 1 has_more 1
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} {} {}
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mi_continue_to_line \
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[gdb_get_line_number {MI outer breakpoint here} ${srcfile}] \
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"step to outer breakpoint"
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mi_create_dynamic_varobj outer outer 1 \
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"create outer varobj"
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mi_list_varobj_children outer {
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{ outer.s s 2 "struct substruct" }
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{ outer.x x 0 "int" }
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} "list children of outer"
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mi_list_varobj_children outer.s {
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{ outer.s.a a 0 int }
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{ outer.s.b b 0 int }
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} "list children of outer.s"
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mi_next "next over outer update"
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mi_gdb_test "-var-update outer" \
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".done,changelist=.{name=\"outer.s.a\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"}." \
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"update after updating element of outer"
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mi_continue_to_line \
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[gdb_get_line_number {Another MI breakpoint} ${srcfile}] \
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"step to second breakpoint"
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mi_varobj_update_with_type_change container int 0 "update after type change"
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mi_continue_to_line \
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[gdb_get_line_number {break to inspect struct and union} ${srcfile}] \
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"step to outer breakpoint"
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mi_create_dynamic_varobj nscont nstype 1 \
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"create nstype varobj"
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mi_list_varobj_children nscont {
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{ {nscont.\[0\]} {\[0\]} 0 int }
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{ {nscont.\[1\]} {\[1\]} 0 int }
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} "list children after setting update range"
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mi_gdb_test "-var-set-visualizer nscont None" \
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"\\^done" \
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"clear visualizer"
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mi_gdb_test "-var-update nscont" \
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"\\^done,changelist=\\\[\\\]" \
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"varobj update after clearing"
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mi_gdb_test "-var-set-visualizer nscont gdb.default_visualizer" \
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"\\^done" \
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"choose default visualizer"
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mi_gdb_test "python exception_flag = True" ""
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mi_create_dynamic_varobj nstype2 nstype2 1 \
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"create nstype2 varobj"
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mi_list_varobj_children nstype2 {
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{ {nstype2.<error at 0>} {<error at 0>} 6 {char \[6\]} }
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} "list children after setting exception flag"
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mi_create_varobj me me \
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"create me varobj"
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mi_gdb_test "-var-evaluate-expression me" \
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"\\^done,value=\"<error reading variable: Cannot access memory.>.*\"" \
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"evaluate me varobj"
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# Regression test for python/14836.
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mi_create_dynamic_varobj children_as_list children_as_list 1 \
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"printer whose children are returned as a list"
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# Test that when a pretty-printer returns a gdb.Value in its to_string, we call
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# the pretty-printer of that value too.
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mi_create_varobj_checked tsrvw tsrvw \
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"struct to_string_returns_value_wrapper" \
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"create tsrvw varobj"
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mi_check_varobj_value tsrvw "Inner to_string 1989" "check tsrvw varobj value"
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mi_gdb_test "-data-evaluate-expression tsrvw" \
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"\\^done,value=\"Inner to_string 1989\"" \
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"check tsrvw expression value"
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# Regression test for bug 14741.
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mi_continue_to_line \
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[gdb_get_line_number {breakpoint bug 14741} ${srcfile}] \
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"step to breakpoint for bug 14741"
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mi_create_dynamic_varobj c c 1 \
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"create varobj for c"
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mi_gdb_test "-var-set-visualizer c ArrayPrinter" \
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"\\^done" \
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"choose array visualizer for c"
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mi_list_varobj_children c {
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{ {c.\[0\]} {\[0\]} 0 int }
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} "list children of c"
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mi_next "next over change of array element"
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mi_gdb_test "-var-update c" \
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"\\^done,changelist=\\\[{name=\"c.\\\[0\\\]\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"}\\\]" \
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"update varobj after element change"
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# C++ MI tests
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gdb_exit
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}-cxx" \
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executable {debug c++ additional_flags=-DMI}] != "" } {
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untested "failed to compile in C++ mode"
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return -1
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}
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if [mi_gdb_start] {
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continue
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}
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mi_delete_breakpoints
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mi_gdb_reinitialize_dir $srcdir/$subdir
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mi_gdb_load ${binfile}-cxx
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if {[lsearch -exact [mi_get_features] python] < 0} {
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unsupported "python support is disabled"
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return -1
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}
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mi_runto main
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mi_continue_to_line \
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[gdb_get_line_number {break to inspect struct and union} ${srcfile}] \
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"step to breakpoint"
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# Test python/12531. Install visualizer on a cplus_fake_child.
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mi_create_varobj fake fake \
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"create fake varobj"
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mi_list_varobj_children fake {
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{ fake.private private 1 }
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} "list children of fake"
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mi_list_varobj_children fake.private {
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{ fake.private.sname sname 0 int }
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} "list children fake.private"
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mi_gdb_test "-var-set-visualizer fake.private gdb.default_visualizer" \
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"\\^done" "Install visualizer on a cplus_fake_child"
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