toolchain/parse/testdata/if_expr/fail_then_expr_missing.carbon - trunk - githubmirror/carbon-lang

toolchain/parse/testdata/if_expr/fail_then_expr_missing.carbon

42 строки2 KB

Geoff Romer

Make the tree structure more explicit in parse dumps (#7591)

31 июл 2026, 19:44

31 июл 2026, 19:446429c16

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/parse/testdata/if_expr/fail_then_expr_missing.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/parse/testdata/if_expr/fail_then_expr_missing.carbon

fn F() {
  // CHECK:STDERR: fail_then_expr_missing.carbon:[[@LINE+4]]:28: error: expected expression [ExpectedExpr]
  // CHECK:STDERR:   var n: i32 = if true then;
  // CHECK:STDERR:                            ^
  // CHECK:STDERR:
  var n: i32 = if true then;
}

// CHECK:STDOUT: - filename: fail_then_expr_missing.carbon
// CHECK:STDOUT:   ╭─FileStart ''
// CHECK:STDOUT:   │   ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT:   │   ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT:   │   │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT:   │   ├─ExplicitParamList ')'
// CHECK:STDOUT:   │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT:   │ │ ╭─VariableIntroducer 'var'
// CHECK:STDOUT:   │ │ │   ╭─IdentifierNameNotBeforeSignature 'n'
// CHECK:STDOUT:   │ │ │   ├─BindingPatternTypeStart ':'
// CHECK:STDOUT:   │ │ │   ├─IntTypeLiteral 'i32'
// CHECK:STDOUT:   │ │ │ ╭─VarBindingPattern ':'
// CHECK:STDOUT:   │ │ ├─VariablePattern 'var'
// CHECK:STDOUT:   │ │ ├─VariableInitializer '='
// CHECK:STDOUT:   │ │ │   ╭─BoolLiteralTrue 'true'
// CHECK:STDOUT:   │ │ │ ╭─IfExprIf 'if'
// CHECK:STDOUT:   │ │ │ │ ╭─InvalidParse ';' has_error
// CHECK:STDOUT:   │ │ │ ├─IfExprThen 'then' has_error
// CHECK:STDOUT:   │ │ │ ├─InvalidParse ';' has_error
// CHECK:STDOUT:   │ │ ├─IfExprElse 'if' has_error
// CHECK:STDOUT:   │ ├─VariableDecl ';'
// CHECK:STDOUT:   ├─FunctionDefinition '}'
// CHECK:STDOUT:   ├─FileEnd ''
// CHECK:STDOUT:   (root)