mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-11-15 15:48:10 +00:00
Lucile Rose Nihlen
9799a23262
Adds code to track default values for function parameters in C++ export, and to export them as global variables to C++ that are attached to default value expressions in the clang AST. Modifes lower to export global variables from another block, and adds the variable initialization to the `global_init` block so their value gets set at load time.
125 lines
5.5 KiB
Plaintext
125 lines
5.5 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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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/patterns/expression.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/patterns/expression.carbon
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// --- fail_todo_let.carbon
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library "[[@TEST_NAME]]";
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// TODO: We should reject this for using a refutable pattern in an irrefutable pattern context.
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let a: () = ();
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// CHECK:STDERR: fail_todo_let.carbon:[[@LINE+2]]:5: error: semantics TODO: `expression pattern` [SemanticsTodo]
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// CHECK:STDERR:
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let a = ();
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// --- fail_todo_in_tuple.carbon
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library "[[@TEST_NAME]]";
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// TODO: We should reject this for using a refutable pattern in an irrefutable pattern context.
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let a: () = ();
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// CHECK:STDERR: fail_todo_in_tuple.carbon:[[@LINE+2]]:13: error: semantics TODO: `expression pattern` [SemanticsTodo]
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// CHECK:STDERR:
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let (b: (), a, c: ()) = ((), (), ());
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// --- fail_todo_in_function_param.carbon
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library "[[@TEST_NAME]]";
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// TODO: We should reject this for using a refutable pattern in an irrefutable pattern context.
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let a: () = ();
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// CHECK:STDERR: fail_todo_in_function_param.carbon:[[@LINE+2]]:6: error: semantics TODO: `expression pattern` [SemanticsTodo]
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// CHECK:STDERR:
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fn F(a) {}
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// --- fail_todo_parens.carbon
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library "[[@TEST_NAME]]";
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let a: () = ();
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// TODO: Replace this with a valid expression pattern once we support refutable
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// pattern contexts.
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// Note that this is a parenthesized zero-tuple expression pattern, not a
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// one-tuple pattern containing a zero-tuple.
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// CHECK:STDERR: fail_todo_parens.carbon:[[@LINE+2]]:6: error: semantics TODO: `expression pattern` [SemanticsTodo]
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// CHECK:STDERR:
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let (a) = ();
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// --- fail_todo_control_flow.carbon
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library "[[@TEST_NAME]]";
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fn F() {
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// TODO: Replace this with a valid expression pattern once we support refutable
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// pattern contexts.
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//@dump-sem-ir-begin
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// CHECK:STDERR: fail_todo_control_flow.carbon:[[@LINE+4]]:8-35: error: semantics TODO: `expression pattern` [SemanticsTodo]
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// CHECK:STDERR:
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// CHECK:STDERR: fail_todo_control_flow.carbon:[[@LINE+2]]:38-50: error: semantics TODO: `expression pattern` [SemanticsTodo]
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// CHECK:STDERR:
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let (if true then true else false, true and true) = (true, true);
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//@dump-sem-ir-end
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}
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// CHECK:STDOUT: --- fail_todo_control_flow.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: type: type = facet_type <type> [concrete]
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// CHECK:STDOUT: %true: bool = bool_literal true [concrete]
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// CHECK:STDOUT: %false: bool = bool_literal false [concrete]
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// CHECK:STDOUT: %pattern_type.831: type = pattern_type bool [concrete]
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// CHECK:STDOUT: %tuple.type: type = tuple_type (bool, bool) [concrete]
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// CHECK:STDOUT: %pattern_type.860: type = pattern_type %tuple.type [concrete]
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// CHECK:STDOUT: %.108: %pattern_type.860 = tuple_pattern (@F.%expr_patt.loc12_26, @F.%expr_patt.loc12_43) [concrete]
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// CHECK:STDOUT: %tuple: %tuple.type = tuple_value (%true, %true) [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %true.loc12_56: bool = bool_literal true [concrete = constants.%true]
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// CHECK:STDOUT: %true.loc12_62: bool = bool_literal true [concrete = constants.%true]
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// CHECK:STDOUT: %.loc12_66: %tuple.type = tuple_literal (%true.loc12_56, %true.loc12_62) [concrete = constants.%tuple]
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %expr_patt.loc12_26: %pattern_type.831 = expr_pattern %.loc12_8 in [concrete] {
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// CHECK:STDOUT: %true.loc12_11: bool = bool_literal true [concrete = constants.%true]
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// CHECK:STDOUT: if %true.loc12_11 br !if.expr.then else br !if.expr.else
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.expr.then:
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// CHECK:STDOUT: %true.loc12_21: bool = bool_literal true [concrete = constants.%true]
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// CHECK:STDOUT: br !if.expr.result(%true.loc12_21)
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.expr.else:
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// CHECK:STDOUT: %false.loc12_31: bool = bool_literal false [concrete = constants.%false]
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// CHECK:STDOUT: br !if.expr.result(%false.loc12_31)
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.expr.result:
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// CHECK:STDOUT: %.loc12_8: bool = block_arg !if.expr.result [concrete = constants.%true]
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %expr_patt.loc12_43: %pattern_type.831 = expr_pattern %.loc12_43 in [concrete] {
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// CHECK:STDOUT: %true.loc12_38: bool = bool_literal true [concrete = constants.%true]
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// CHECK:STDOUT: %false.loc12_43: bool = bool_literal false [concrete = constants.%false]
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// CHECK:STDOUT: if %true.loc12_38 br !and.rhs else br !.loc12(%false.loc12_43)
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// CHECK:STDOUT:
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// CHECK:STDOUT: !and.rhs:
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// CHECK:STDOUT: %true.loc12_47: bool = bool_literal true [concrete = constants.%true]
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// CHECK:STDOUT: br !.loc12(%true.loc12_47)
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// CHECK:STDOUT:
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// CHECK:STDOUT: !.loc12:
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// CHECK:STDOUT: %.loc12_43: bool = block_arg !.loc12 [concrete = constants.%true]
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %.loc12_51: %pattern_type.860 = tuple_pattern (%expr_patt.loc12_26, %expr_patt.loc12_43) [concrete = constants.%.108]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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