| ... | ... | @@ -335,76 +335,52 @@ fn varDecl( |
| 335 | 335 | // Depending on the type of AST the initialization expression is, we may need an lvalue |
| 336 | 336 | // or an rvalue as a result location. If it is an rvalue, we can use the instruction as |
| 337 | 337 | // the variable, no memory location needed. |
| 338 | | if (nodeMayNeedMemoryLocation(init_node)) { |
| 338 | const result_loc = if (nodeMayNeedMemoryLocation(init_node)) r: { |
| 339 | 339 | if (node.getTrailer("type_node")) |type_node| { |
| 340 | 340 | const type_inst = try typeExpr(mod, scope, type_node); |
| 341 | 341 | const alloc = try addZIRUnOp(mod, scope, name_src, .alloc, type_inst); |
| 342 | | const result_loc: ResultLoc = .{ .ptr = alloc }; |
| 343 | | const init_inst = try expr(mod, scope, result_loc, init_node); |
| 344 | | const sub_scope = try block_arena.create(Scope.LocalVal); |
| 345 | | sub_scope.* = .{ |
| 346 | | .parent = scope, |
| 347 | | .gen_zir = scope.getGenZIR(), |
| 348 | | .name = ident_name, |
| 349 | | .inst = init_inst, |
| 350 | | }; |
| 351 | | return &sub_scope.base; |
| 342 | break :r ResultLoc{ .ptr = alloc }; |
| 352 | 343 | } else { |
| 353 | 344 | const alloc = try addZIRNoOpT(mod, scope, name_src, .alloc_inferred); |
| 354 | | const result_loc: ResultLoc = .{ .inferred_ptr = alloc }; |
| 355 | | const init_inst = try expr(mod, scope, result_loc, init_node); |
| 356 | | const sub_scope = try block_arena.create(Scope.LocalVal); |
| 357 | | sub_scope.* = .{ |
| 358 | | .parent = scope, |
| 359 | | .gen_zir = scope.getGenZIR(), |
| 360 | | .name = ident_name, |
| 361 | | .inst = init_inst, |
| 362 | | }; |
| 363 | | return &sub_scope.base; |
| 345 | break :r ResultLoc{ .inferred_ptr = alloc }; |
| 364 | 346 | } |
| 365 | | } else { |
| 366 | | const result_loc: ResultLoc = if (node.getTrailer("type_node")) |type_node| |
| 367 | | .{ .ty = try typeExpr(mod, scope, type_node) } |
| 347 | } else r: { |
| 348 | if (node.getTrailer("type_node")) |type_node| |
| 349 | break :r ResultLoc{ .ty = try typeExpr(mod, scope, type_node) } |
| 368 | 350 | else |
| 369 | | .none; |
| 370 | | const init_inst = try expr(mod, scope, result_loc, init_node); |
| 371 | | const sub_scope = try block_arena.create(Scope.LocalVal); |
| 372 | | sub_scope.* = .{ |
| 373 | | .parent = scope, |
| 374 | | .gen_zir = scope.getGenZIR(), |
| 375 | | .name = ident_name, |
| 376 | | .inst = init_inst, |
| 377 | | }; |
| 378 | | return &sub_scope.base; |
| 379 | | } |
| 351 | break :r .none; |
| 352 | }; |
| 353 | const init_inst = try expr(mod, scope, result_loc, init_node); |
| 354 | const sub_scope = try block_arena.create(Scope.LocalVal); |
| 355 | sub_scope.* = .{ |
| 356 | .parent = scope, |
| 357 | .gen_zir = scope.getGenZIR(), |
| 358 | .name = ident_name, |
| 359 | .inst = init_inst, |
| 360 | }; |
| 361 | return &sub_scope.base; |
| 380 | 362 | }, |
| 381 | 363 | .Keyword_var => { |
| 382 | | if (node.getTrailer("type_node")) |type_node| { |
| 364 | const alloc = if (node.getTrailer("type_node")) |type_node| a: { |
| 383 | 365 | const type_inst = try typeExpr(mod, scope, type_node); |
| 384 | | const alloc = try addZIRUnOp(mod, scope, name_src, .alloc, type_inst); |
| 385 | | const result_loc: ResultLoc = .{ .ptr = alloc }; |
| 386 | | const init_inst = try expr(mod, scope, result_loc, init_node); |
| 387 | | const sub_scope = try block_arena.create(Scope.LocalPtr); |
| 388 | | sub_scope.* = .{ |
| 389 | | .parent = scope, |
| 390 | | .gen_zir = scope.getGenZIR(), |
| 391 | | .name = ident_name, |
| 392 | | .ptr = alloc, |
| 393 | | }; |
| 394 | | return &sub_scope.base; |
| 395 | | } else { |
| 396 | | const alloc = try addZIRNoOp(mod, scope, name_src, .alloc_inferred); |
| 397 | | const result_loc = .{ .inferred_ptr = alloc.castTag(.alloc_inferred).? }; |
| 398 | | const init_inst = try expr(mod, scope, result_loc, init_node); |
| 399 | | const sub_scope = try block_arena.create(Scope.LocalPtr); |
| 400 | | sub_scope.* = .{ |
| 401 | | .parent = scope, |
| 402 | | .gen_zir = scope.getGenZIR(), |
| 403 | | .name = ident_name, |
| 404 | | .ptr = alloc, |
| 405 | | }; |
| 406 | | return &sub_scope.base; |
| 407 | | } |
| 366 | break :a try addZIRUnOp(mod, scope, name_src, .alloc, type_inst); |
| 367 | } else try addZIRNoOp(mod, scope, name_src, .alloc_inferred); |
| 368 | const result_loc = r: { |
| 369 | if (node.getTrailer("type_node")) |type_node| { |
| 370 | break :r ResultLoc{ .ptr = alloc }; |
| 371 | } else { |
| 372 | break :r ResultLoc{ .inferred_ptr = alloc.castTag(.alloc_inferred).? }; |
| 373 | } |
| 374 | }; |
| 375 | const init_inst = try expr(mod, scope, result_loc, init_node); |
| 376 | const sub_scope = try block_arena.create(Scope.LocalPtr); |
| 377 | sub_scope.* = .{ |
| 378 | .parent = scope, |
| 379 | .gen_zir = scope.getGenZIR(), |
| 380 | .name = ident_name, |
| 381 | .ptr = alloc, |
| 382 | }; |
| 383 | return &sub_scope.base; |
| 408 | 384 | }, |
| 409 | 385 | else => unreachable, |
| 410 | 386 | } |
Noam Preil <noam@pixelhero.dev> 2020-08-13 12:23:37-04:00