src/test/debuginfo/gdb-pretty-struct-and-enums.rs

   1 // Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // ignore-test FIXME(#16919)
  12 // ignore-tidy-linelength
  13 // ignore-lldb
  14 // ignore-android: FIXME(#10381)
  15 // compile-flags:-g
  16 // gdb-use-pretty-printer
  17
  18 // This test uses some GDB Python API features (e.g. accessing anonymous fields)
  19 // which are only available in newer GDB version. The following directive will
  20 // case the test runner to ignore this test if an older GDB version is used:
  21 // min-gdb-version 7.7
  22
  23 // The following line actually doesn't have to do anything with pretty printing,
  24 // it just tells GDB to print values on one line:
  25 // gdb-command: set print pretty off
  26
  27 // gdb-command: rbreak zzz
  28 // gdb-command: run
  29 // gdb-command: finish
  30
  31 // gdb-command: print regular_struct
  32 // gdb-check:$1 = RegularStruct = {the_first_field = 101, the_second_field = 102.5, the_third_field = false, the_fourth_field = "I'm so pretty, oh so pretty..."}
  33
  34 // gdb-command: print tuple
  35 // gdb-check:$2 = {true, 103, "blub"}
  36
  37 // gdb-command: print tuple_struct
  38 // gdb-check:$3 = TupleStruct = {-104.5, 105}
  39
  40 // gdb-command: print empty_struct
  41 // gdb-check:$4 = EmptyStruct
  42
  43 // gdb-command: print c_style_enum1
  44 // gdb-check:$5 = CStyleEnumVar1
  45
  46 // gdb-command: print c_style_enum2
  47 // gdb-check:$6 = CStyleEnumVar2
  48
  49 // gdb-command: print c_style_enum3
  50 // gdb-check:$7 = CStyleEnumVar3
  51
  52 // gdb-command: print mixed_enum_c_style_var
  53 // gdb-check:$8 = MixedEnumCStyleVar
  54
  55 // gdb-command: print mixed_enum_tuple_var
  56 // gdb-check:$9 = MixedEnumTupleVar = {106, 107, false}
  57
  58 // gdb-command: print mixed_enum_struct_var
  59 // gdb-check:$10 = MixedEnumStructVar = {field1 = 108.5, field2 = 109}
  60
  61 // gdb-command: print some
  62 // gdb-check:$11 = Some = {110}
  63
  64 // gdb-command: print none
  65 // gdb-check:$12 = None
  66
  67 // gdb-command: print nested_variant1
  68 // gdb-check:$13 = NestedVariant1 = {NestedStruct = {regular_struct = RegularStruct = {the_first_field = 111, the_second_field = 112.5, the_third_field = true, the_fourth_field = "NestedStructString1"}, tuple_struct = TupleStruct = {113.5, 114}, empty_struct = EmptyStruct, c_style_enum = CStyleEnumVar2, mixed_enum = MixedEnumTupleVar = {115, 116, false}}}
  69
  70 // gdb-command: print nested_variant2
  71 // gdb-check:$14 = NestedVariant2 = {abc = NestedStruct = {regular_struct = RegularStruct = {the_first_field = 117, the_second_field = 118.5, the_third_field = false, the_fourth_field = "NestedStructString10"}, tuple_struct = TupleStruct = {119.5, 120}, empty_struct = EmptyStruct, c_style_enum = CStyleEnumVar3, mixed_enum = MixedEnumStructVar = {field1 = 121.5, field2 = -122}}}
  72
  73 #![feature(struct_variant)]
  74
  75 struct RegularStruct {
  76     the_first_field: int,
  77     the_second_field: f64,
  78     the_third_field: bool,
  79     the_fourth_field: &'static str,
  80 }
  81
  82 struct TupleStruct(f64, i16);
  83
  84 struct EmptyStruct;
  85
  86 enum CStyleEnum {
  87     CStyleEnumVar1,
  88     CStyleEnumVar2,
  89     CStyleEnumVar3,
  90 }
  91
  92 enum MixedEnum {
  93     MixedEnumCStyleVar,
  94     MixedEnumTupleVar(u32, u16, bool),
  95     MixedEnumStructVar { field1: f64, field2: i32 }
  96 }
  97
  98 struct NestedStruct {
  99     regular_struct: RegularStruct,
 100     tuple_struct: TupleStruct,
 101     empty_struct: EmptyStruct,
 102     c_style_enum: CStyleEnum,
 103     mixed_enum: MixedEnum,
 104 }
 105
 106 enum NestedEnum {
 107     NestedVariant1(NestedStruct),
 108     NestedVariant2 { abc: NestedStruct }
 109 }
 110
 111 fn main() {
 112
 113     let regular_struct = RegularStruct {
 114         the_first_field: 101,
 115         the_second_field: 102.5,
 116         the_third_field: false,
 117         the_fourth_field: "I'm so pretty, oh so pretty..."
 118     };
 119
 120     let tuple = ( true, 103u32, "blub" );
 121
 122     let tuple_struct = TupleStruct(-104.5, 105);
 123
 124     let empty_struct = EmptyStruct;
 125
 126     let c_style_enum1 = CStyleEnumVar1;
 127     let c_style_enum2 = CStyleEnumVar2;
 128     let c_style_enum3 = CStyleEnumVar3;
 129
 130     let mixed_enum_c_style_var = MixedEnumCStyleVar;
 131     let mixed_enum_tuple_var = MixedEnumTupleVar(106, 107, false);
 132     let mixed_enum_struct_var = MixedEnumStructVar { field1: 108.5, field2: 109 };
 133
 134     let some = Some(110u);
 135     let none: Option<int> = None;
 136
 137     let nested_variant1 = NestedVariant1(
 138         NestedStruct {
 139             regular_struct: RegularStruct {
 140                 the_first_field: 111,
 141                 the_second_field: 112.5,
 142                 the_third_field: true,
 143                 the_fourth_field: "NestedStructString1",
 144             },
 145             tuple_struct: TupleStruct(113.5, 114),
 146             empty_struct: EmptyStruct,
 147             c_style_enum: CStyleEnumVar2,
 148             mixed_enum: MixedEnumTupleVar(115, 116, false)
 149         }
 150     );
 151
 152     let nested_variant2 = NestedVariant2 {
 153         abc: NestedStruct {
 154             regular_struct: RegularStruct {
 155                 the_first_field: 117,
 156                 the_second_field: 118.5,
 157                 the_third_field: false,
 158                 the_fourth_field: "NestedStructString10",
 159             },
 160             tuple_struct: TupleStruct(119.5, 120),
 161             empty_struct: EmptyStruct,
 162             c_style_enum: CStyleEnumVar3,
 163             mixed_enum: MixedEnumStructVar {
 164                 field1: 121.5,
 165                 field2: -122
 166             }
 167         }
 168     };
 169
 170     zzz();
 171 }
 172
 173 fn zzz() { () }