mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-30 22:02:41 +01:00
Jon Ross-Perkins
91f0c23124
Building on #3636 which handles the general import case, add special casing for namespaces. Namespaces can be combined cross-IR, so it's a little more complex. The implementation adds import_id to the Namespace instruction as a reference to find the original using the normal structure. This is achieved by moving the name_id to NameScope to free up space. --- I considered a few alternatives... I considered adding import_id to NameScope, but: 1. It's more consistent with things such as Function or Class that provide name_id on the info object rather than the instruction. 2. I thought it more likely that there would be more NameScope cases that might want a name_id rather than the import_id, since ImportRef will typically be used. I considered putting the import source (cross-ref IR id + inst id) on the NameScope versus a separate ImportRef, which seems like the strongest argument towards the NameScope approach because it removes an instruction. That just felt inconsistent though, and the overhead of instruction-per-imported-namespace should be low (theoretically few namespaces should be used). Plus I feel a bit odd adding two generally-unused ids to NameScope. A specialized Namespace structure could also have been created to store the import_id, but that would add an indirection to the NameScope.
112 lines
5.0 KiB
Plaintext
112 lines
5.0 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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fn Run0() {}
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fn Run1(a: i32) {}
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fn Run2(a: i32, b: i32) {}
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fn Main() {
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// CHECK:STDERR: fail_param_count.carbon:[[@LINE+6]]:3: ERROR: 1 argument(s) passed to function expecting 0 argument(s).
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// CHECK:STDERR: Run0(1);
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR: fail_param_count.carbon:[[@LINE-8]]:1: Calling function declared here.
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// CHECK:STDERR: fn Run0() {}
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// CHECK:STDERR: ^~~~~~~~~~~
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Run0(1);
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// CHECK:STDERR: fail_param_count.carbon:[[@LINE+6]]:3: ERROR: 2 argument(s) passed to function expecting 0 argument(s).
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// CHECK:STDERR: Run0(0, 1);
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR: fail_param_count.carbon:[[@LINE-15]]:1: Calling function declared here.
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// CHECK:STDERR: fn Run0() {}
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// CHECK:STDERR: ^~~~~~~~~~~
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Run0(0, 1);
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// CHECK:STDERR: fail_param_count.carbon:[[@LINE+6]]:3: ERROR: 0 argument(s) passed to function expecting 1 argument(s).
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// CHECK:STDERR: Run1();
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR: fail_param_count.carbon:[[@LINE-22]]:1: Calling function declared here.
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// CHECK:STDERR: fn Run1(a: i32) {}
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~
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Run1();
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// CHECK:STDERR: fail_param_count.carbon:[[@LINE+6]]:3: ERROR: 2 argument(s) passed to function expecting 1 argument(s).
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// CHECK:STDERR: Run1(0, 1);
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR: fail_param_count.carbon:[[@LINE-29]]:1: Calling function declared here.
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// CHECK:STDERR: fn Run1(a: i32) {}
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~
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Run1(0, 1);
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// CHECK:STDERR: fail_param_count.carbon:[[@LINE+6]]:3: ERROR: 0 argument(s) passed to function expecting 2 argument(s).
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// CHECK:STDERR: Run2();
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR: fail_param_count.carbon:[[@LINE-36]]:1: Calling function declared here.
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// CHECK:STDERR: fn Run2(a: i32, b: i32) {}
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
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Run2();
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// CHECK:STDERR: fail_param_count.carbon:[[@LINE+6]]:3: ERROR: 1 argument(s) passed to function expecting 2 argument(s).
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// CHECK:STDERR: Run2(0);
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR: fail_param_count.carbon:[[@LINE-43]]:1: Calling function declared here.
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// CHECK:STDERR: fn Run2(a: i32, b: i32) {}
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
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Run2(0);
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}
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// CHECK:STDOUT: --- fail_param_count.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %.1: i32 = int_literal 1 [template]
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// CHECK:STDOUT: %.2: type = tuple_type () [template]
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// CHECK:STDOUT: %.3: i32 = int_literal 0 [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace {.Run0 = %Run0, .Run1 = %Run1, .Run2 = %Run2, .Main = %Main} [template]
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// CHECK:STDOUT: %Run0: <function> = fn_decl @Run0 [template]
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// CHECK:STDOUT: %Run1: <function> = fn_decl @Run1 [template]
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// CHECK:STDOUT: %Run2: <function> = fn_decl @Run2 [template]
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// CHECK:STDOUT: %Main: <function> = fn_decl @Main [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Run0() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Run1(%a: i32) {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Run2(%a: i32, %b: i32) {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Main() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %Run0.ref.loc18: <function> = name_ref Run0, file.%Run0 [template = file.%Run0]
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// CHECK:STDOUT: %.loc18_8: i32 = int_literal 1 [template = constants.%.1]
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// CHECK:STDOUT: %.loc18_7: init () = call %Run0.ref.loc18(<invalid>)
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// CHECK:STDOUT: %Run0.ref.loc25: <function> = name_ref Run0, file.%Run0 [template = file.%Run0]
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// CHECK:STDOUT: %.loc25_8: i32 = int_literal 0 [template = constants.%.3]
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// CHECK:STDOUT: %.loc25_11: i32 = int_literal 1 [template = constants.%.1]
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// CHECK:STDOUT: %.loc25_7: init () = call %Run0.ref.loc25(<invalid>)
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// CHECK:STDOUT: %Run1.ref.loc33: <function> = name_ref Run1, file.%Run1 [template = file.%Run1]
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// CHECK:STDOUT: %.loc33: init () = call %Run1.ref.loc33(<invalid>)
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// CHECK:STDOUT: %Run1.ref.loc40: <function> = name_ref Run1, file.%Run1 [template = file.%Run1]
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// CHECK:STDOUT: %.loc40_8: i32 = int_literal 0 [template = constants.%.3]
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// CHECK:STDOUT: %.loc40_11: i32 = int_literal 1 [template = constants.%.1]
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// CHECK:STDOUT: %.loc40_7: init () = call %Run1.ref.loc40(<invalid>)
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// CHECK:STDOUT: %Run2.ref.loc48: <function> = name_ref Run2, file.%Run2 [template = file.%Run2]
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// CHECK:STDOUT: %.loc48: init () = call %Run2.ref.loc48(<invalid>)
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// CHECK:STDOUT: %Run2.ref.loc55: <function> = name_ref Run2, file.%Run2 [template = file.%Run2]
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// CHECK:STDOUT: %.loc55_8: i32 = int_literal 0 [template = constants.%.3]
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// CHECK:STDOUT: %.loc55_7: init () = call %Run2.ref.loc55(<invalid>)
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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