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# Copyright 2017-2018 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/>.
# Tests for function local static variables, both C and C++.
# This file is part of the gdb testsuite.
standard_testfile .c
# A few expected errors.
set syntax_re "A syntax error in expression, near.*"
set cannot_resolve_re "Cannot resolve method S::method to any overloaded instance"
# Build an "Cannot resolve method ..." expected error string for
# method METH.
#
proc cannot_resolve {meth} {
return "Cannot resolve method $meth to any overloaded instance"
}
# A list of scopes that have the static variables that we want to
# print. Each entry has, in order, the scope/function name, and the
# prefix used by the static variables. The prefix exists both to make
# it easier to debug the test if something goes wrong, and, to make
# sure that printing the static local of one method overload doesn't
# find the variables of the wrong overload.
#
# While at it, we also try printing each scope without the static
# local, to check that the parse copes with cv overloads without
# quoting. That's what the third and forth columns are for. Note
# that printing "func()" is different from "func(void)". The former
# is an inferior function call, while the latter is a reference to the
# function.
#SCOPE #PREFIX #PRINT-SCOPE-QUOTED
#PRINT-SCOPE-UNQUOTED (opt)
set cxx_scopes_list {
{"S::method()" "S_M" {= \\{void \\(S \\* const\\)\\} $hex <S::method\\(\\)>}
{[cannot_resolve "S::method"]}}
{"S::method() const" "S_M_C" {= \\{void \\(const S \\* const\\)\\} $hex <S::method\\(\\) const>}
$syntax_re}
{"S::method() volatile" "S_M_V" {= \\{void \\(volatile S \\* const\\)\\} $hex <S::method\\(\\) volatile>}
$syntax_re}
{"S::method() const volatile" "S_M_CV" {= \\{void \\(const volatile S \\* const\\)\\} $hex <S::method\\(\\) const volatile>}
$syntax_re}
{"S::method() volatile const" "S_M_CV" {= \\{void \\(const volatile S \\* const\\)\\} $hex <S::method\\(\\) const volatile>}
$syntax_re}
{"S::method(void)" "S_M" {= \\{void \\(S \\* const\\)\\} $hex <S::method\\(\\)>}}
{"S::method(void) const" "S_M_C" {= \\{void \\(const S \\* const\\)\\} $hex <S::method\\(\\) const>}}
{"S::method(void) volatile" "S_M_V" {= \\{void \\(volatile S \\* const\\)\\} $hex <S::method\\(\\) volatile>}}
{"S::method(void) const volatile" "S_M_CV" {= \\{void \\(const volatile S \\* const\\)\\} $hex <S::method\\(\\) const volatile>}}
{"S::method(void) volatile const" "S_M_CV" {= \\{void \\(const volatile S \\* const\\)\\} $hex <S::method\\(\\) const volatile>}}
{"S::static_method()" "S_SM" {= \\{void \\(void\\)\\} $hex <S::static_method\\(\\)>}
"void"}
{"S::static_method(void)" "S_SM" {= \\{void \\(void\\)\\} $hex <S::static_method\\(\\)>}}
{"S::inline_method()" "S_IM" {= \\{void \\(S \\* const\\)\\} $hex <S::inline_method\\(\\)>}
{[cannot_resolve "S::inline_method"]}}
{"S::inline_method(void)" "S_IM" {= \\{void \\(S \\* const\\)\\} $hex <S::inline_method\\(\\)>}}
{"S::static_inline_method()" "S_SIM" {= \\{void \\(void\\)\\} $hex <S::static_inline_method\\(\\)>}
"void"}
{"S::static_inline_method(void)" "S_SIM" {= \\{void \\(void\\)\\} $hex <S::static_inline_method\\(\\)>}}
{"S2<int>::method()" "S2_M" {= \\{void \\(S2<int> \\* const\\)\\} $hex <S2<int>::method\\(\\)>}
{[cannot_resolve "S2<int>::method"]}}
{"S2<int>::static_method()" "S2_SM" {= \\{void \\(void\\)\\} $hex <S2<int>::static_method\\(\\)>}
"void"}
{"S2<int>::inline_method()" "S2_IM" {= \\{void \\(S2<int> \\* const\\)\\} $hex <S2<int>::inline_method\\(\\)>}
{[cannot_resolve "S2<int>::inline_method"]}}
{"S2<int>::static_inline_method()" "S2_SIM" {= \\{void \\(void\\)\\} $hex <S2<int>::static_inline_method\\(\\)>}
"void"}
{"free_func" "FF" {= \\{void \\(void\\)\\} $hex <free_func\\(\\)>}}
{"free_func()" "FF" {= \\{void \\(void\\)\\} $hex <free_func\\(\\)>}
"void"}
{"free_func(void)" "FF" {= \\{void \\(void\\)\\} $hex <free_func\\(\\)>}}
{"free_inline_func()" "FIF" {= \\{void \\(void\\)\\} $hex <free_inline_func\\(\\)>}
"void"}
{"free_inline_func(void)" "FIF" {= \\{void \\(void\\)\\} $hex <free_inline_func\\(\\)>}}
}
set c_scopes_list {
{"free_func" "FF" {= \\{void \\(void\\)\\} $hex <free_func>}}
{"free_inline_func" "FIF" {= \\{void \\(void\\)\\} $hex <free_inline_func>}}
}
# A list of all the static varibles defined in each scope. The first
# column is the name of the variable, without the prefix, and the
# second column is a regex matching what printing the variable should
# output.
#VAR #PRINT
set vars_list {
{"s_var_int" " = 4"}
{"s_var_float" " = 3.14.*"}
{"s_var_aggregate" " = \\{i1 = 1, i2 = 2, i3 = 3\\}"}
}
proc do_test {lang} {
global c_scopes_list
global cxx_scopes_list
global vars_list
global srcfile testfile
set options {debug}
if {$lang == "c++"} {
if { [skip_cplus_tests] } {
return
}
lappend options $lang
set src ${srcfile}c
} else {
set src ${srcfile}
}
if {[prepare_for_testing "failed to prepare" $testfile-$lang \
[list $src] $options]} {
return -1
}
if ![runto_main] then {
fail "couldn't run to breakpoint"
return
}
gdb_test "show language" " currently [string_to_regexp $lang]\"\\."
if {$lang == "c"} {
set scopes_list $c_scopes_list
} else {
set scopes_list $cxx_scopes_list
}
# Print each scope/function using these syntaxes:
#
# "(gdb) p 'S::method() const'" # quoted
# "(gdb) p S::method() const" # unquoted
#
foreach scope_line $scopes_list {
set scope [lindex $scope_line 0]
set print_quoted_re [lindex $scope_line 2]
set print_quoted_re [uplevel 1 "subst -nobackslashes -nocommands \"$print_quoted_re\""]
set print_unquoted_re [lindex $scope_line 3]
set print_unquoted_re [uplevel 1 "subst -nobackslashes -nocommands \"$print_unquoted_re\""]
gdb_test "print '${scope}'" $print_quoted_re
if {$print_unquoted_re != ""} {
gdb_test "print ${scope}" $print_unquoted_re
} else {
gdb_test "print ${scope}" $print_quoted_re
}
}
# Print each variable using these syntaxes:
#
# 'func()'::var
# func()::var
# 'func()::var'
#
# In C++, the latter case makes sure that symbol lookup finds the
# debug symbol instead of the minimal symbol with that exact same
# name.
foreach scope_line $scopes_list {
set scope [lindex $scope_line 0]
set var_prefix [lindex $scope_line 1]
foreach var_line $vars_list {
set var [lindex $var_line 0]
set print_re [lindex $var_line 1]
gdb_test "print '${scope}'::${var_prefix}_${var}" $print_re
gdb_test "print ${scope}::${var_prefix}_${var}" $print_re
set sym "${scope}::${var_prefix}_${var}"
if {$lang == "c++"} {
gdb_test "print '${sym}'" $print_re
} else {
gdb_test "print '${sym}'" "No symbol \"$sym\" in current context\\."
}
}
}
# Now run to each function, and print its variables using the
# localy-visible name.
foreach scope_line $scopes_list {
set scope [lindex $scope_line 0]
set var_prefix [lindex $scope_line 1]
with_test_prefix "$scope" {
delete_breakpoints
gdb_breakpoint "$scope"
gdb_continue_to_breakpoint "$scope"
foreach var_line $vars_list {
set var [lindex $var_line 0]
set print_re [lindex $var_line 1]
gdb_test "print ${var_prefix}_${var}" $print_re
}
}
}
}
foreach lang {"c" "c++"} {
with_test_prefix $lang {
do_test $lang
}
}
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