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Boaz Brickner
52ed26235d
Use it to dump the AST that includes a generated C++ thunk. Based on #5917. Also added printing of the full actual text when check fails to make debugging easier. Changed line replacement to allow removing complete lines. Part of #5514.
43 lines
2.4 KiB
Plaintext
43 lines
2.4 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/int.carbon
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// EXTRA-ARGS: --dump-cpp-ast
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// SET-CHECK-SUBSET
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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/interop/cpp/function/thunk_ast.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/interop/cpp/function/thunk_ast.carbon
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// CHECK:STDOUT: TranslationUnitDecl {{0x[a-f0-9]+}} <<invalid sloc>> <invalid sloc>
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// --- thunk_required.h
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auto foo(short a) -> void;
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// CHECK:STDOUT: |-FunctionDecl {{0x[a-f0-9]+}} <./thunk_required.h:[[@LINE-1]]:1, col:22> col:6 used foo 'auto (short) -> void'
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// CHECK:STDOUT: | `-ParmVarDecl {{0x[a-f0-9]+}} <col:10, col:16> col:16 a 'short'
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// CHECK:STDOUT: `-FunctionDecl {{0x[a-f0-9]+}} <col:6> col:6 foo__carbon_thunk 'auto (short * _Nonnull) -> void' extern
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// CHECK:STDOUT: |-ParmVarDecl {{0x[a-f0-9]+}} <col:6> col:6 used a 'short * _Nonnull':'short *'
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// CHECK:STDOUT: |-ReturnStmt {{0x[a-f0-9]+}} <col:6>
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// CHECK:STDOUT: | `-CallExpr {{0x[a-f0-9]+}} <col:6> 'void'
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// CHECK:STDOUT: | |-ImplicitCastExpr {{0x[a-f0-9]+}} <col:6> 'auto (*)(short) -> void' <FunctionToPointerDecay>
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// CHECK:STDOUT: | | `-DeclRefExpr {{0x[a-f0-9]+}} <col:6> 'auto (short) -> void' Function {{0x[a-f0-9]+}} 'foo' 'auto (short) -> void'
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// CHECK:STDOUT: | `-ImplicitCastExpr {{0x[a-f0-9]+}} <col:6> 'short' <LValueToRValue>
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// CHECK:STDOUT: | `-UnaryOperator {{0x[a-f0-9]+}} <col:6> 'short' lvalue prefix '*' cannot overflow
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// CHECK:STDOUT: | `-ImplicitCastExpr {{0x[a-f0-9]+}} <col:6> 'short * _Nonnull':'short *' <LValueToRValue>
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// CHECK:STDOUT: | `-DeclRefExpr {{0x[a-f0-9]+}} <col:6> 'short * _Nonnull':'short *' lvalue ParmVar {{0x[a-f0-9]+}} 'a' 'short * _Nonnull':'short *'
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// CHECK:STDOUT: |-AlwaysInlineAttr {{0x[a-f0-9]+}} <<invalid sloc>> Implicit always_inline
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// CHECK:STDOUT: `-AsmLabelAttr {{0x[a-f0-9]+}} <col:6> Implicit "_Z3foos.carbon_thunk"
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// --- import_thunk_required.carbon
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library "[[@TEST_NAME]]";
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import Cpp library "thunk_required.h";
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fn F() {
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Cpp.foo(1 as i16);
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}
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