gdb/testsuite/gdb.rust/simple.exp

   1 # Copyright (C) 2016-2018 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # Test expression parsing and evaluation that requires Rust compiler.
  17
  18 load_lib rust-support.exp
  19 if {[skip_rust_tests]} {
  20     continue
  21 }
  22
  23 standard_testfile .rs
  24 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug rust}]} {
  25     return -1
  26 }
  27
  28 set line [gdb_get_line_number "set breakpoint here"]
  29 if {![runto ${srcfile}:$line]} {
  30     untested "could not run to breakpoint"
  31     return -1
  32 }
  33
  34 gdb_test "print a" " = \\(\\)"
  35 gdb_test "ptype a" " = \\(\\)"
  36 gdb_test "print sizeof(a)" " = 0"
  37
  38 gdb_test "print b" " = \\\[\\\]"
  39 gdb_test "ptype b" " = \\\[i32; 0\\\]"
  40 gdb_test "print *(&b as *const \[i32; 0\])" " = \\\[\\\]"
  41 gdb_test "print *(&b as *const \[i32; 0_0\])" " = \\\[\\\]"
  42
  43 gdb_test "print c" " = 99"
  44 gdb_test "ptype c" " = i32"
  45 gdb_test "print sizeof(c)" " = 4"
  46
  47 gdb_test "print c = 87" " = \\(\\)"
  48 gdb_test "print c" " = 87"
  49 gdb_test "print c += 3" " = \\(\\)"
  50 gdb_test "print c" " = 90"
  51 gdb_test "print c -= 90" " = \\(\\)"
  52 gdb_test "print c" " = 0"
  53 gdb_test "print *&c" " = 0"
  54 gdb_test "print *(&c as &i32)" " = 0"
  55 gdb_test "print *(&c as *const i32)" " = 0"
  56 gdb_test "print *(&c as *mut i32)" " = 0"
  57
  58 gdb_test "print/c f\[0\]" " = 104 'h'"
  59
  60 gdb_test "print j" " = simple::Unit"
  61 gdb_test "ptype j" " = struct simple::Unit"
  62 gdb_test "print j2" " = simple::Unit"
  63 gdb_test "ptype j2" " = struct simple::Unit"
  64 gdb_test "print simple::Unit" " = simple::Unit"
  65 gdb_test "print simple::Unit{}" " = simple::Unit"
  66
  67 gdb_test "print f" " = \"hi bob\""
  68 gdb_test "print fslice" " = \"bob\""
  69 gdb_test "print &f\[3..\]" " = \"bob\""
  70
  71 gdb_test "print g" " = \\(u8 \\(\\*\\)\\\[6\\\]\\) $hex b\"hi bob\""
  72 gdb_test "ptype g" " = u8 \\(\\*\\)\\\[6\\\]"
  73
  74 gdb_test "print v" " = simple::Something::Three"
  75 gdb_test_sequence "ptype v" "" {
  76     " = enum simple::Something \\{"
  77     "  One,"
  78     "  Two,"
  79     "  Three,"
  80     "\\}"
  81 }
  82
  83 gdb_test "print w" " = \\\[1, 2, 3, 4\\\]"
  84 gdb_test "ptype w" " = \\\[i32; 4\\\]"
  85 gdb_test "print w\[2\]" " = 3"
  86 gdb_test "print w\[2\] @ 2" " = \\\[3, 4\\\]"
  87 gdb_test "print w_ptr\[2\]" " = 3"
  88 gdb_test "print fromslice" " = 3"
  89 gdb_test "print slice\[0\]" " = 3"
  90 gdb_test "print slice as &\[i32\]\[0\]" " = 3"
  91
  92 gdb_test_sequence "ptype slice" "" {
  93     " = struct &\\\[i32\\\] \\{"
  94     "  data_ptr: i32 \\*,"
  95     "  length: usize,"
  96     "\\}"
  97 }
  98 gdb_test_sequence "ptype &slice\[..\]" "" {
  99     " = struct &\\\[i32\\\] \\{"
 100     "  data_ptr: i32 \\*,"
 101     "  length: usize,"
 102     "\\}"
 103 }
 104 gdb_test_sequence "ptype &b\[..\]" "" {
 105     " = struct &\\\[\\*gdb\\*\\\] \\{"
 106     "  data_ptr: i32 \\*,"
 107     "  length: usize,"
 108     "\\}"
 109 }
 110
 111 gdb_test "print x" " = \\(23, 25\\.5\\)"
 112 gdb_test "ptype x" " = \\(i32, f64\\)"
 113 gdb_test "print x as (i32,f64)" " = \\(23, 25\\.5\\)"
 114
 115 gdb_test "print y" " = simple::HiBob \\{field1: 7, field2: 8\\}"
 116 gdb_test_sequence "ptype y" "" {
 117     " = struct simple::HiBob \\{"
 118     "  field1: i32,"
 119     "  field2: u64,"
 120     "\\}"
 121 }
 122 gdb_test "print y.field2" " = 8"
 123
 124 gdb_test "print z" " = simple::ByeBob \\(7, 8\\)"
 125 gdb_test_sequence "ptype z" "" {
 126     " = struct simple::ByeBob \\("
 127     "  i32,"
 128     "  u64,"
 129     "\\)"
 130 }
 131 gdb_test "print z.1" " = 8"
 132
 133 gdb_test "print univariant" " = simple::Univariant::Foo{a: 1}"
 134 gdb_test "print univariant.a" " = 1"
 135 gdb_test "print univariant_anon" " = simple::UnivariantAnon::Foo\\(1\\)"
 136 gdb_test "print univariant_anon.0" " = 1"
 137
 138 gdb_test_sequence "ptype simple::Univariant" "" {
 139     "type = enum simple::Univariant \\{"
 140     "  Foo\\{a: u8\\},"
 141     "\\}"
 142 }
 143
 144 gdb_test_sequence "ptype simple::UnivariantAnon" "" {
 145     "type = enum simple::UnivariantAnon \\{"
 146     "  Foo\\(u8\\),"
 147     "\\}"
 148 }
 149
 150 gdb_test_sequence "ptype simple::ByeBob" "" {
 151     " = struct simple::ByeBob \\("
 152     "  i32,"
 153     "  u64,"
 154     "\\)"
 155 }
 156 gdb_test "print simple::ByeBob(0xff, 5)" \
 157     " = simple::ByeBob \\(255, 5\\)"
 158 gdb_test "print simple::ByeBob\{field1: 0xff, field2:5\}" \
 159     "Struct expression applied to non-struct type"
 160
 161 gdb_test "print simple::HiBob(0xff, 5)" \
 162     "Type simple::HiBob is not a tuple struct"
 163 gdb_test "print sizeof(simple::HiBob)" " = \[0-9\]+"
 164 gdb_test "print simple::HiBob + 5" \
 165     "Found type 'simple::HiBob', which can't be evaluated in this context"
 166 gdb_test "print nosuchsymbol" \
 167     "No symbol 'nosuchsymbol' in current context"
 168
 169 gdb_test "print simple::HiBob{field1, field2}" \
 170     " = simple::HiBob \\{field1: 77, field2: 88\\}"
 171
 172 gdb_test "print simple::HiBob{field1: 99, .. y}" \
 173     " = simple::HiBob \\{field1: 99, field2: 8\\}"
 174
 175 gdb_test "print e" " = simple::MoreComplicated::Two\\(73\\)"
 176 gdb_test "print e2" \
 177     " = simple::MoreComplicated::Four\\{this: true, is: 8, a: 109 'm', struct_: 100, variant: 10\\}"
 178 gdb_test "print sizeof(e)" " = 24"
 179 gdb_test_sequence "ptype e" "" {
 180     " = enum simple::MoreComplicated \\{"
 181     "  One,"
 182     "  Two\\(i32\\),"
 183     "  Three\\(simple::HiBob\\),"
 184     "  Four\\{this: bool, is: u8, a: char, struct_: u64, variant: u32\\},"
 185     "\\}"
 186 }
 187
 188 gdb_test "print e.0" " = 73"
 189 gdb_test "print e.1" \
 190     "Cannot access field 1 of variant simple::MoreComplicated::Two, there are only 1 fields"
 191 gdb_test "print e.foo" \
 192     "Attempting to access named field foo of tuple variant simple::MoreComplicated::Two, which has only anonymous fields"
 193
 194 gdb_test "print e2.variant" " = 10"
 195 gdb_test "print e2.notexist" \
 196     "Could not find field notexist of struct variant simple::MoreComplicated::Four"
 197 gdb_test "print e2.0" \
 198     "Variant simple::MoreComplicated::Four is not a tuple variant"
 199
 200 gdb_test "print k" " = simple::SpaceSaver::Nothing"
 201 gdb_test "print l" " = simple::SpaceSaver::Thebox\\(9, $hex\\)"
 202 gdb_test "print *l.1" " = 1729"
 203
 204 gdb_test "print diff2(3, 7)" " = -4"
 205 gdb_test "print self::diff2(8, 9)" " = -1"
 206 gdb_test "print ::diff2(23, -23)" " = 46"
 207
 208 gdb_test "ptype diff2" "fn \\(i32, i32\\) -> i32"
 209 gdb_test "ptype empty" "fn \\(\\)"
 210
 211 gdb_test "print (diff2 as fn(i32, i32) -> i32)(19, -2)" " = 21"
 212
 213 gdb_test "print \"hello rust\"" " = \"hello rust.*\""
 214 gdb_test "print \"hello" "Unexpected EOF in string"
 215 gdb_test "print r##\"hello \" rust\"##" " = \"hello \\\\\" rust.*\""
 216 gdb_test "print r\"hello" "Unexpected EOF in string"
 217 gdb_test "print r###\"###hello\"" "Unexpected EOF in string"
 218 gdb_test "print r###\"###hello\"##" "Unexpected EOF in string"
 219 gdb_test "print r###\"hello###" "Unexpected EOF in string"
 220
 221 gdb_test "print 0..5" " = .*::ops::Range.* \\{start: 0, end: 5\\}"
 222 gdb_test "print 0..=5" " = .*::ops::RangeInclusive.* \\{start: 0, end: 5\\}"
 223 gdb_test "print ..5" " = .*::ops::RangeTo.* \\{end: 5\\}"
 224 gdb_test "print ..=5" " = .*::ops::RangeToInclusive.* \\{end: 5\\}"
 225 gdb_test "print 5.." " = .*::ops::RangeFrom.* \\{start: 5\\}"
 226 gdb_test "print .." " = .*::ops::RangeFull"
 227
 228 gdb_test "print str_some" \
 229     " = core::option::Option<\[a-z\]+::string::String>::Some\\(\[a-z\]+::string::String .*"
 230 gdb_test "print str_none" " = core::option::Option<\[a-z\]+::string::String>::None"
 231 gdb_test "print int_some" " = core::option::Option<u8>::Some\\(1\\)"
 232 gdb_test "print int_none" " = core::option::Option<u8>::None"
 233 gdb_test "print box_some" " = core::option::Option<\[a-z:\]*Box<u8>>::Some\\(.*\\)"
 234 gdb_test "print box_none" " = core::option::Option<\[a-z:\]*Box<u8>>::None"
 235 gdb_test "print custom_some" \
 236     " = simple::NonZeroOptimized::Value\\(\[a-z\]+::string::String .*"
 237 gdb_test "print custom_none" " = simple::NonZeroOptimized::Empty"
 238
 239 proc test_one_slice {svar length base range} {
 240     global hex
 241
 242     set result " = &\\\[.*\\\] \\{data_ptr: $hex, length: $length\\}"
 243
 244     gdb_test "print $svar" $result
 245     gdb_test "print &${base}\[${range}\]" $result
 246 }
 247
 248 test_one_slice slice 1 w 2..3
 249 test_one_slice slice 1 w 2..=2
 250 test_one_slice slice2 1 slice 0..1
 251 test_one_slice slice2 1 slice 0..=0
 252
 253 test_one_slice all1 4 w ..
 254 test_one_slice all2 1 slice ..
 255
 256 test_one_slice from1 3 w 1..
 257 test_one_slice from2 0 slice 1..
 258
 259 test_one_slice to1 3 w ..3
 260 test_one_slice to1 3 w ..=2
 261 test_one_slice to2 1 slice ..1
 262 test_one_slice to2 1 slice ..=0
 263
 264 gdb_test "print w\[2..3\]" "Can't take slice of array without '&'"
 265
 266
 267 gdb_test_sequence "complete print y.f" "" \
 268     {"print y.field1" "print y.field2"}
 269 gdb_test_sequence "complete print y." "" \
 270     {"print y.field1" "print y.field2"}
 271
 272 # Unimplemented, but we can at least test the parser productions.
 273 gdb_test "print (1,2,3)" "Tuple expressions not supported yet"
 274 gdb_test "print (1,)" "Tuple expressions not supported yet"
 275 gdb_test "print (1)" " = 1"
 276
 277 gdb_test "print 23..97.0" "Range expression with different types"
 278
 279 gdb_test "print (*parametrized.next.val)" \
 280     " = simple::ParametrizedStruct<i32> {next: simple::ParametrizedEnum<\[a-z:\]*Box<simple::ParametrizedStruct<i32>>>::Empty, value: 1}"
 281 gdb_test "print parametrized.next.val" \
 282     " = \\(simple::ParametrizedStruct<i32> \\*\\) $hex"
 283 gdb_test "print parametrized" \
 284     " = simple::ParametrizedStruct<i32> \\{next: simple::ParametrizedEnum<\[a-z:\]*Box<simple::ParametrizedStruct<i32>>>::Val\\{val: $hex\\}, value: 0\\}"
 285
 286 gdb_test "print u" " = simple::Union {f1: -1, f2: 255}"
 287
 288 gdb_test_sequence "ptype/o Union" "" {
 289     "/\\* offset    |  size \\*/  type = union simple::Union {"
 290     "/\\*                 1 \\*/    f1: i8,"
 291     "/\\*                 1 \\*/    f2: u8,"
 292     ""
 293     "                           /\\* total size \\(bytes\\):    1 \\*/"
 294     "                         }"
 295 }
 296
 297 gdb_test_sequence "ptype/o SimpleLayout" "" {
 298     "/\\* offset    |  size \\*/  type = struct simple::SimpleLayout {"
 299     "/\\*    0      |     2 \\*/    f1: u16,"
 300     "/\\*    2      |     2 \\*/    f2: u16,"
 301     ""
 302     "                           /\\* total size \\(bytes\\):    4 \\*/"
 303     "                         }"
 304 }
 305
 306 # PR rust/23626 - this used to crash.  Note that the results are
 307 # fairly lax because most existing versions of Rust (those before the
 308 # DW_TAG_variant patches) do not emit what gdb wants here; and there
 309 # was little point fixing gdb to cope with these cases as the fixed
 310 # compilers will be available soon
 311 gdb_test "print empty_enum_value" \
 312     " = simple::EmptyEnum.*"
 313 gdb_test "ptype empty_enum_value" "simple::EmptyEnum.*"
 314 # Just make sure these don't crash, for the same reason.
 315 gdb_test "print empty_enum_value.0" ""
 316 gdb_test "print empty_enum_value.something" ""
 317
 318 load_lib gdb-python.exp
 319 if {[skip_python_tests]} {
 320     continue
 321 }
 322
 323 gdb_test "python print(gdb.lookup_type('simple::HiBob'))" "simple::HiBob"