precedence_assign.carbon 5.0 KB

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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
  2. // Exceptions. See /LICENSE for license information.
  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  4. //
  5. // AUTOUPDATE
  6. // TIP: To test this file alone, run:
  7. // TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/parse/testdata/operators/precedence_assign.carbon
  8. // TIP: To dump output, run:
  9. // TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/parse/testdata/operators/precedence_assign.carbon
  10. fn F(c: bool) {
  11. var a: i32;
  12. var b: i32;
  13. var p: i32*;
  14. *p = if c then 1 else 2;
  15. // This is valid to _parse_ even though rejected semantically.
  16. (if c then a else b) += if c then 1 else 2;
  17. }
  18. // CHECK:STDOUT: - filename: precedence_assign.carbon
  19. // CHECK:STDOUT: parse_tree: [
  20. // CHECK:STDOUT: {kind: 'FileStart', text: ''},
  21. // CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
  22. // CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'F'},
  23. // CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
  24. // CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'c'},
  25. // CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
  26. // CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
  27. // CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 5},
  28. // CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 8},
  29. // CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
  30. // CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'a'},
  31. // CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
  32. // CHECK:STDOUT: {kind: 'VarBindingPattern', text: ':', subtree_size: 3},
  33. // CHECK:STDOUT: {kind: 'VariablePattern', text: 'var', subtree_size: 4},
  34. // CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 6},
  35. // CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
  36. // CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'b'},
  37. // CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
  38. // CHECK:STDOUT: {kind: 'VarBindingPattern', text: ':', subtree_size: 3},
  39. // CHECK:STDOUT: {kind: 'VariablePattern', text: 'var', subtree_size: 4},
  40. // CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 6},
  41. // CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
  42. // CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'p'},
  43. // CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
  44. // CHECK:STDOUT: {kind: 'PostfixOperatorStar', text: '*', subtree_size: 2},
  45. // CHECK:STDOUT: {kind: 'VarBindingPattern', text: ':', subtree_size: 4},
  46. // CHECK:STDOUT: {kind: 'VariablePattern', text: 'var', subtree_size: 5},
  47. // CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 7},
  48. // CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'p'},
  49. // CHECK:STDOUT: {kind: 'PrefixOperatorStar', text: '*', subtree_size: 2},
  50. // CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'c'},
  51. // CHECK:STDOUT: {kind: 'IfExprIf', text: 'if', subtree_size: 2},
  52. // CHECK:STDOUT: {kind: 'IntLiteral', text: '1'},
  53. // CHECK:STDOUT: {kind: 'IfExprThen', text: 'then', subtree_size: 2},
  54. // CHECK:STDOUT: {kind: 'IntLiteral', text: '2'},
  55. // CHECK:STDOUT: {kind: 'IfExprElse', text: 'else', subtree_size: 6},
  56. // CHECK:STDOUT: {kind: 'InfixOperatorEqual', text: '=', subtree_size: 9},
  57. // CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 10},
  58. // CHECK:STDOUT: {kind: 'ParenExprStart', text: '('},
  59. // CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'c'},
  60. // CHECK:STDOUT: {kind: 'IfExprIf', text: 'if', subtree_size: 2},
  61. // CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'a'},
  62. // CHECK:STDOUT: {kind: 'IfExprThen', text: 'then', subtree_size: 2},
  63. // CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'b'},
  64. // CHECK:STDOUT: {kind: 'IfExprElse', text: 'else', subtree_size: 6},
  65. // CHECK:STDOUT: {kind: 'ParenExpr', text: ')', subtree_size: 8},
  66. // CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'c'},
  67. // CHECK:STDOUT: {kind: 'IfExprIf', text: 'if', subtree_size: 2},
  68. // CHECK:STDOUT: {kind: 'IntLiteral', text: '1'},
  69. // CHECK:STDOUT: {kind: 'IfExprThen', text: 'then', subtree_size: 2},
  70. // CHECK:STDOUT: {kind: 'IntLiteral', text: '2'},
  71. // CHECK:STDOUT: {kind: 'IfExprElse', text: 'else', subtree_size: 6},
  72. // CHECK:STDOUT: {kind: 'InfixOperatorPlusEqual', text: '+=', subtree_size: 15},
  73. // CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 16},
  74. // CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 54},
  75. // CHECK:STDOUT: {kind: 'FileEnd', text: ''},
  76. // CHECK:STDOUT: ]