src/test/incremental/hashes/enum_constructors.rs

   1 // This test case tests the incremental compilation hash (ICH) implementation
   2 // for struct constructor expressions.
   3
   4 // The general pattern followed here is: Change one thing between rev1 and rev2
   5 // and make sure that the hash has changed, then change nothing between rev2 and
   6 // rev3 and make sure that the hash has not changed.
   7
   8 // build-pass (FIXME(62277): could be check-pass?)
   9 // revisions: cfail1 cfail2 cfail3 cfail4 cfail5 cfail6
  10 // compile-flags: -Z query-dep-graph -O
  11 // [cfail1]compile-flags: -Zincremental-ignore-spans
  12 // [cfail2]compile-flags: -Zincremental-ignore-spans
  13 // [cfail3]compile-flags: -Zincremental-ignore-spans
  14 // [cfail4]compile-flags: -Zincremental-relative-spans
  15 // [cfail5]compile-flags: -Zincremental-relative-spans
  16 // [cfail6]compile-flags: -Zincremental-relative-spans
  17
  18 #![allow(warnings)]
  19 #![feature(rustc_attrs)]
  20 #![crate_type="rlib"]
  21
  22
  23 pub enum Enum {
  24     Struct {
  25         x: i32,
  26         y: i64,
  27         z: i16,
  28     },
  29     Tuple(i32, i64, i16)
  30 }
  31
  32 // Change field value (struct-like) -----------------------------------------
  33 #[cfg(any(cfail1,cfail4))]
  34 pub fn change_field_value_struct_like() -> Enum {
  35     Enum::Struct {
  36         x: 0,
  37         y: 1,
  38         z: 2,
  39     }
  40 }
  41
  42 #[cfg(not(any(cfail1,cfail4)))]
  43 #[rustc_clean(cfg="cfail2", except="hir_owner_nodes,optimized_mir")]
  44 #[rustc_clean(cfg="cfail3")]
  45 #[rustc_clean(cfg="cfail5", except="hir_owner_nodes,optimized_mir")]
  46 #[rustc_clean(cfg="cfail6")]
  47 pub fn change_field_value_struct_like() -> Enum {
  48     Enum::Struct {
  49         x: 0,
  50         y: 2,
  51         z: 2,
  52     }
  53 }
  54
  55
  56
  57 // Change field order (struct-like) -----------------------------------------
  58 #[cfg(any(cfail1,cfail4))]
  59 pub fn change_field_order_struct_like() -> Enum {
  60     Enum::Struct {
  61         x: 3,
  62         y: 4,
  63         z: 5,
  64     }
  65 }
  66
  67 #[cfg(not(any(cfail1,cfail4)))]
  68 #[rustc_clean(cfg="cfail2", except="hir_owner_nodes,typeck")]
  69 #[rustc_clean(cfg="cfail3")]
  70 #[rustc_clean(cfg="cfail5", except="hir_owner_nodes,typeck,optimized_mir")]
  71 #[rustc_clean(cfg="cfail6")]
  72 // FIXME(michaelwoerister):Interesting. I would have thought that that changes the MIR. And it
  73 // would if it were not all constants
  74 pub fn change_field_order_struct_like() -> Enum {
  75     Enum::Struct {
  76         y: 4,
  77         x: 3,
  78         z: 5,
  79     }
  80 }
  81
  82
  83 pub enum Enum2 {
  84     Struct {
  85         x: i8,
  86         y: i8,
  87         z: i8,
  88     },
  89     Struct2 {
  90         x: i8,
  91         y: i8,
  92         z: i8,
  93     },
  94     Tuple(u16, u16, u16),
  95     Tuple2(u64, u64, u64),
  96 }
  97
  98 // Change constructor path (struct-like) ------------------------------------
  99 #[cfg(any(cfail1,cfail4))]
 100 pub fn change_constructor_path_struct_like() {
 101     let _ = Enum ::Struct {
 102         x: 0,
 103         y: 1,
 104         z: 2,
 105     };
 106 }
 107
 108 #[cfg(not(any(cfail1,cfail4)))]
 109 #[rustc_clean(cfg="cfail2", except="hir_owner_nodes,typeck")]
 110 #[rustc_clean(cfg="cfail3")]
 111 #[rustc_clean(cfg="cfail5", except="hir_owner_nodes,typeck")]
 112 #[rustc_clean(cfg="cfail6")]
 113 pub fn change_constructor_path_struct_like() {
 114     let _ = Enum2::Struct {
 115         x: 0,
 116         y: 1,
 117         z: 2,
 118     };
 119 }
 120
 121
 122
 123 // Change variant (regular struct) ------------------------------------
 124 #[cfg(any(cfail1,cfail4))]
 125 pub fn change_constructor_variant_struct_like() {
 126     let _ = Enum2::Struct  {
 127         x: 0,
 128         y: 1,
 129         z: 2,
 130     };
 131 }
 132
 133 #[cfg(not(any(cfail1,cfail4)))]
 134 #[rustc_clean(cfg="cfail2", except="hir_owner_nodes")]
 135 #[rustc_clean(cfg="cfail3")]
 136 #[rustc_clean(cfg="cfail5", except="hir_owner_nodes")]
 137 #[rustc_clean(cfg="cfail6")]
 138 pub fn change_constructor_variant_struct_like() {
 139     let _ = Enum2::Struct2 {
 140         x: 0,
 141         y: 1,
 142         z: 2,
 143     };
 144 }
 145
 146
 147 // Change constructor path indirectly (struct-like) -------------------------
 148 pub mod change_constructor_path_indirectly_struct_like {
 149     #[cfg(any(cfail1,cfail4))]
 150     use super::Enum as TheEnum;
 151     #[cfg(not(any(cfail1,cfail4)))]
 152     use super::Enum2 as TheEnum;
 153
 154     #[rustc_clean(
 155         cfg="cfail2",
 156         except="fn_sig,hir_owner,hir_owner_nodes,optimized_mir,\
 157                 typeck"
 158     )]
 159     #[rustc_clean(cfg="cfail3")]
 160     #[rustc_clean(
 161         cfg="cfail5",
 162         except="fn_sig,hir_owner,hir_owner_nodes,optimized_mir,\
 163                 typeck"
 164     )]
 165     #[rustc_clean(cfg="cfail6")]
 166     pub fn function() -> TheEnum {
 167         TheEnum::Struct {
 168             x: 0,
 169             y: 1,
 170             z: 2,
 171         }
 172     }
 173 }
 174
 175
 176 // Change constructor variant indirectly (struct-like) ---------------------------
 177 pub mod change_constructor_variant_indirectly_struct_like {
 178     use super::Enum2;
 179     #[cfg(any(cfail1,cfail4))]
 180     use super::Enum2::Struct as Variant;
 181     #[cfg(not(any(cfail1,cfail4)))]
 182     use super::Enum2::Struct2 as Variant;
 183
 184     #[rustc_clean(cfg="cfail2", except="hir_owner_nodes,optimized_mir")]
 185     #[rustc_clean(cfg="cfail3")]
 186     #[rustc_clean(cfg="cfail5", except="hir_owner_nodes,optimized_mir")]
 187     #[rustc_clean(cfg="cfail6")]
 188     pub fn function() -> Enum2 {
 189         Variant {
 190             x: 0,
 191             y: 1,
 192             z: 2,
 193         }
 194     }
 195 }
 196
 197
 198 // Change field value (tuple-like) -------------------------------------------
 199 #[cfg(any(cfail1,cfail4))]
 200 pub fn change_field_value_tuple_like() -> Enum {
 201     Enum::Tuple(0, 1, 2)
 202 }
 203
 204 #[cfg(not(any(cfail1,cfail4)))]
 205 #[rustc_clean(cfg="cfail2", except="hir_owner_nodes,optimized_mir")]
 206 #[rustc_clean(cfg="cfail3")]
 207 #[rustc_clean(cfg="cfail5", except="hir_owner_nodes,optimized_mir")]
 208 #[rustc_clean(cfg="cfail6")]
 209 pub fn change_field_value_tuple_like() -> Enum {
 210     Enum::Tuple(0, 1, 3)
 211 }
 212
 213
 214
 215 // Change constructor path (tuple-like) --------------------------------------
 216 #[cfg(any(cfail1,cfail4))]
 217 pub fn change_constructor_path_tuple_like() {
 218     let _ = Enum ::Tuple(0, 1, 2);
 219 }
 220
 221 #[cfg(not(any(cfail1,cfail4)))]
 222 #[rustc_clean(
 223     cfg="cfail2",
 224     except="hir_owner_nodes,typeck"
 225 )]
 226 #[rustc_clean(cfg="cfail3")]
 227 #[rustc_clean(
 228     cfg="cfail5",
 229     except="hir_owner_nodes,typeck"
 230 )]
 231 #[rustc_clean(cfg="cfail6")]
 232 pub fn change_constructor_path_tuple_like() {
 233     let _ = Enum2::Tuple(0, 1, 2);
 234 }
 235
 236
 237
 238 // Change constructor variant (tuple-like) --------------------------------------
 239 #[cfg(any(cfail1,cfail4))]
 240 pub fn change_constructor_variant_tuple_like() {
 241     let _ = Enum2::Tuple (0, 1, 2);
 242 }
 243
 244 #[cfg(not(any(cfail1,cfail4)))]
 245 #[rustc_clean(
 246     cfg="cfail2",
 247     except="hir_owner_nodes,typeck"
 248 )]
 249 #[rustc_clean(cfg="cfail3")]
 250 #[rustc_clean(
 251     cfg="cfail5",
 252     except="hir_owner_nodes,typeck"
 253 )]
 254 #[rustc_clean(cfg="cfail6")]
 255 pub fn change_constructor_variant_tuple_like() {
 256     let _ = Enum2::Tuple2(0, 1, 2);
 257 }
 258
 259
 260 // Change constructor path indirectly (tuple-like) ---------------------------
 261 pub mod change_constructor_path_indirectly_tuple_like {
 262     #[cfg(any(cfail1,cfail4))]
 263     use super::Enum as TheEnum;
 264     #[cfg(not(any(cfail1,cfail4)))]
 265     use super::Enum2 as TheEnum;
 266
 267     #[rustc_clean(
 268         cfg="cfail2",
 269         except="fn_sig,hir_owner,hir_owner_nodes,optimized_mir,\
 270                 typeck"
 271     )]
 272     #[rustc_clean(cfg="cfail3")]
 273     #[rustc_clean(
 274         cfg="cfail5",
 275         except="fn_sig,hir_owner,hir_owner_nodes,optimized_mir,\
 276                 typeck"
 277     )]
 278     #[rustc_clean(cfg="cfail6")]
 279     pub fn function() -> TheEnum {
 280         TheEnum::Tuple(0, 1, 2)
 281     }
 282 }
 283
 284
 285
 286 // Change constructor variant indirectly (tuple-like) ---------------------------
 287 pub mod change_constructor_variant_indirectly_tuple_like {
 288     use super::Enum2;
 289     #[cfg(any(cfail1,cfail4))]
 290     use super::Enum2::Tuple as Variant;
 291     #[cfg(not(any(cfail1,cfail4)))]
 292     use super::Enum2::Tuple2 as Variant;
 293
 294     #[rustc_clean(cfg="cfail2", except="hir_owner_nodes,optimized_mir,typeck")]
 295     #[rustc_clean(cfg="cfail3")]
 296     #[rustc_clean(cfg="cfail5", except="hir_owner_nodes,optimized_mir,typeck")]
 297     #[rustc_clean(cfg="cfail6")]
 298     pub fn function() -> Enum2 {
 299         Variant(0, 1, 2)
 300     }
 301 }
 302
 303
 304 pub enum Clike {
 305     A,
 306     B,
 307     C
 308 }
 309
 310 pub enum Clike2 {
 311     B,
 312     C,
 313     D
 314 }
 315
 316 // Change constructor path (C-like) --------------------------------------
 317 #[cfg(any(cfail1,cfail4))]
 318 pub fn change_constructor_path_c_like() {
 319     let _x = Clike ::B;
 320 }
 321
 322 #[cfg(not(any(cfail1,cfail4)))]
 323 #[rustc_clean(cfg="cfail2", except="hir_owner_nodes,optimized_mir,typeck")]
 324 #[rustc_clean(cfg="cfail3")]
 325 #[rustc_clean(cfg="cfail5", except="hir_owner_nodes,optimized_mir,typeck")]
 326 #[rustc_clean(cfg="cfail6")]
 327 pub fn change_constructor_path_c_like() {
 328     let _x = Clike2::B;
 329 }
 330
 331
 332
 333 // Change constructor variant (C-like) --------------------------------------
 334 #[cfg(any(cfail1,cfail4))]
 335 pub fn change_constructor_variant_c_like() {
 336     let _x = Clike::A;
 337 }
 338
 339 #[cfg(not(any(cfail1,cfail4)))]
 340 #[rustc_clean(cfg="cfail2", except="hir_owner_nodes")]
 341 #[rustc_clean(cfg="cfail3")]
 342 #[rustc_clean(cfg="cfail5", except="hir_owner_nodes")]
 343 #[rustc_clean(cfg="cfail6")]
 344 pub fn change_constructor_variant_c_like() {
 345     let _x = Clike::C;
 346 }
 347
 348
 349 // Change constructor path indirectly (C-like) ---------------------------
 350 pub mod change_constructor_path_indirectly_c_like {
 351     #[cfg(any(cfail1,cfail4))]
 352     use super::Clike as TheEnum;
 353     #[cfg(not(any(cfail1,cfail4)))]
 354     use super::Clike2 as TheEnum;
 355
 356     #[rustc_clean(
 357         cfg="cfail2",
 358         except="fn_sig,hir_owner,hir_owner_nodes,optimized_mir,\
 359                 typeck"
 360     )]
 361     #[rustc_clean(cfg="cfail3")]
 362     #[rustc_clean(
 363         cfg="cfail5",
 364         except="fn_sig,hir_owner,hir_owner_nodes,optimized_mir,\
 365                 typeck"
 366     )]
 367     #[rustc_clean(cfg="cfail6")]
 368     pub fn function() -> TheEnum {
 369         TheEnum::B
 370     }
 371 }
 372
 373
 374
 375 // Change constructor variant indirectly (C-like) ---------------------------
 376 pub mod change_constructor_variant_indirectly_c_like {
 377     use super::Clike;
 378     #[cfg(any(cfail1,cfail4))]
 379     use super::Clike::A as Variant;
 380     #[cfg(not(any(cfail1,cfail4)))]
 381     use super::Clike::B as Variant;
 382
 383     #[rustc_clean(cfg="cfail2", except="hir_owner_nodes,optimized_mir")]
 384     #[rustc_clean(cfg="cfail3")]
 385     #[rustc_clean(cfg="cfail5", except="hir_owner_nodes,optimized_mir")]
 386     #[rustc_clean(cfg="cfail6")]
 387     pub fn function() -> Clike {
 388         Variant
 389     }
 390 }