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