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73fc52c4cc
This changes the Rust type printers to handle TYPE_CODE_PTR. The current approach is not ideal, because currently the code can't distinguish between mut and const, or between pointers and references. (These are debuginfo deficiencies, for which there are rustc bugs on file.) Meanwhile, this at least clears up the case seen in PR rust/23625. Tested on x86-64 Fedora 28. The nightly compiler gives the best results, but I regression-tested with stable and beta as well. gdb/ChangeLog 2018-11-16 Tom Tromey <tom@tromey.com> PR rust/23625: * rust-lang.c (rust_internal_print_type): Handle TYPE_CODE_PTR. gdb/testsuite/ChangeLog 2018-11-19 Tom Tromey <tom@tromey.com> PR rust/23625: * gdb.rust/simple.exp: Add ptype test. Update expected output. * gdb.rust/expr.exp: Update expected output. Change one test.
142 lines
4.8 KiB
Plaintext
142 lines
4.8 KiB
Plaintext
# Copyright (C) 2016-2018 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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# Test basic expression parsing and evaluation, without requiring a
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# Rust compiler. This serves as a smoke test.
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load_lib "rust-support.exp"
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if {[skip_rust_tests]} { continue }
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gdb_start
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gdb_test_no_output "set var \$something = 27"
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if {![set_lang_rust]} {
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warning "Rust expression tests suppressed."
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continue
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}
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gdb_test "print 9__97" " = 997"
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gdb_test "print -5" " = -5"
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gdb_test "print +5" " = 5"
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gdb_test "print +-+-5" " = 5"
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gdb_test "print 3_2i32" " = 32"
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gdb_test "print 32i64" " = 32"
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gdb_test "print 8u8" " = 8"
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gdb_test "print 0x1f" " = 31"
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gdb_test "print 0o07" " = 7"
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gdb_test "print 0o70" " = 56"
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gdb_test "print 0b1_111" " = 15"
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gdb_test "print 32usize" " = 32"
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gdb_test "print 0x_4" " = 4"
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gdb_test "print 'z'" " = 122 'z'"
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gdb_test "print '\\t'" " = 9 '\\\\t'"
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gdb_test "print '\\n'" " = 10 '\\\\n'"
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gdb_test "print '\\r'" " = 13 '\\\\r'"
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gdb_test "print '\\\\'" " = 92 '\\\\\\\\'"
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gdb_test "print '\\0'" " = 0 '\\\\0'"
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gdb_test "print '\\''" " = 39 '\\\\''"
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gdb_test "print '\\\"'" " = 34 '\"'"
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gdb_test "print '\\xff'" " = 255 '\\\\xff'"
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gdb_test "print '\\xFF'" " = 255 '\\\\xff'"
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gdb_test "print '\\u\{F0eF\}'" " = 61679 '\\\\u\\{00f0ef\\}'"
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gdb_test "print b'z'" " = 122"
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gdb_test "print b'\\xfe'" " = 254"
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gdb_test "print b'\\t'" " = 9"
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gdb_test "print b'\\n'" " = 10"
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gdb_test "print b'\\r'" " = 13"
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gdb_test "print b'\\\\'" " = 92"
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gdb_test "print b'\\0'" " = 0"
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gdb_test "print b'\\''" " = 39"
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gdb_test "print b'\\\"'" " = 34"
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gdb_test "print b'\\xff'" " = 255"
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gdb_test "print 23.5" " = 23.5"
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gdb_test "print 23.5e1" " = 235"
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gdb_test "print 2e4" " = 20000"
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gdb_test "print 2_E+4_f64" " = 20000"
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gdb_test "print 5e-1" " = 0.5"
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gdb_test "print 5e-1f32" " = 0.5"
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gdb_test "print false" " = false"
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gdb_test "print true" " = true"
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gdb_test "print 1+2" " = 3"
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gdb_test "print 1i32 + 2i32" " = 3"
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gdb_test "print 2.0 - 1.0" " = 1"
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gdb_test "print !false" " = true"
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gdb_test "print !true" " = false"
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gdb_test "print !0u8" " = 255"
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gdb_test "print 7 * 7" " = 49"
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gdb_test "print 7usize * 7usize" " = 49"
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gdb_test "print 42 / 7" " = 6"
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gdb_test "print 42 % 7" " = 0"
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gdb_test "print 1.0 / 2.0" " = 0.5"
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gdb_test "print 1 < 2" " = true"
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gdb_test "print !(1 < 2)" " = false"
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gdb_test "print 3 + 4 * 7" " = 31"
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gdb_test "print 1 > 2" " = false"
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gdb_test "print 1 | 2" " = 3"
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gdb_test "print 1 & 2" " = 0"
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gdb_test "print 3 & 2" " = 2"
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gdb_test "print 3 ^ 2" " = 1"
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gdb_test "print (1 < 0) || true" " = true"
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gdb_test "print (1 > 0) && false" " = false"
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gdb_test "print 'z' == 'z'" " = true"
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gdb_test "print '\\u{1016f}' != 'q'" " = true"
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gdb_test "print 32 <= 32" " = true"
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gdb_test "print 32 >= 32" " = true"
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gdb_test "print 1 << 5" " = 32"
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gdb_test "print 32usize >> 5" " = 1"
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gdb_test "ptype 32i32 as f64" "type = f64"
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gdb_test "ptype 0xf9f9f9f90000" "type = i64"
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gdb_test "print ()" " = \\(\\)"
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gdb_test "print \[1,2,3,4\]" " = \\\[1, 2, 3, 4\\\]"
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gdb_test "ptype \[1,2,3,4\]" "type = \\\[i32; 4\\\]"
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gdb_test "print \[mut 1,2,3,4\]" " = \\\[1, 2, 3, 4\\\]"
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gdb_test "print b\"hi rust\"" " = b\"hi rust\""
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# This isn't rusty syntax yet, but that's another bug -- this is just
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# testing that byte escapes work properly.
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gdb_test "print b\"\\xddhi bob\"" " = b\"\\\\335hi bob\""
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gdb_test "print b\"has\\0nul\"" " = b\"has\\\\000nul\""
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gdb_test "print br##\"hi\"##" " = b\"hi\""
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gdb_test "print br##\"hi" "Unexpected EOF in string"
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gdb_test "print br##\"hi\"" "Unexpected EOF in string"
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gdb_test "print br##\"hi\"#" "Unexpected EOF in string"
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# Test that convenience variables and functions work with the Rust
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# parser.
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gdb_test "print \$something" " = 27"
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gdb_test "print \$_isvoid(\$nosuchvariable)" " = 1"
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gdb_test "print \$_isvoid(\$something)" " = 0"
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gdb_test "print \[23usize; 4\]" " = \\\[23, 23, 23, 23\\\]"
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gdb_test "ptype \[23usize; 4\]" " = \\\[usize; 4\\\]"
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gdb_test "print \[mut 23usize; 4\]" " = \\\[23, 23, 23, 23\\\]"
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# Test lexer corner cases.
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gdb_test "print 0x0 as *mut ()" " = \\\(\\*mut \\\(\\\)\\\) 0x0"
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gdb_test "print 0x0 as fn(i64) -> ()" " = \\\(\\*mut fn \\\(i64\\\) -> \\\(\\\)\\\) 0x0"
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gdb_test "print r#" "syntax error in expression, near `#'\\."
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gdb_test "printf \"%d %d\\n\", 23+1, 23-1" "24 22"
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