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carbon-lang
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toolchain
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check
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testdata
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tuple
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access
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fail_non_tuple_access.carbon

fail_non_tuple_access.carbon 11 KB
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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
    2. 

  2. // Exceptions. See /LICENSE for license information.
    3. 

  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
    4. 

  4. //
    5. 

  5. // AUTOUPDATE
    6. 

  6. // TIP: To test this file alone, run:
    7. 

  7. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/tuple/access/fail_non_tuple_access.carbon
    8. 

  8. // TIP: To dump output, run:
    9. 

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/tuple/access/fail_non_tuple_access.carbon
    10. 

  10. 

  11. fn Main() {
    12. 

  12.   // CHECK:STDERR: fail_non_tuple_access.carbon:[[@LINE+4]]:3: error: type `i32` does not support indexing [TypeNotIndexable]
    13. 

  13.   // CHECK:STDERR:   0[1];
    14. 

  14.   // CHECK:STDERR:   ^~~~
    15. 

  15.   // CHECK:STDERR:
    16. 

  16.   0[1];
    17. 

  17. 

  18.   var non_tuple: [i32; 2] = (5, 5);
    19. 

  19.   // CHECK:STDERR: fail_non_tuple_access.carbon:[[@LINE+3]]:20: error: type `[i32; 2]` does not support tuple indexing; only tuples can be indexed that way [TupleIndexOnANonTupleType]
    20. 

  20.   // CHECK:STDERR:   var first: i32 = non_tuple.0;
    21. 

  21.   // CHECK:STDERR:                    ^~~~~~~~~~~
    22. 

  22.   var first: i32 = non_tuple.0;
    23. 

  23. }
    24. 

  24. 

  25. // CHECK:STDOUT: --- fail_non_tuple_access.carbon
    26. 

  26. // CHECK:STDOUT:
    27. 

  27. // CHECK:STDOUT: constants {
    28. 

  28. // CHECK:STDOUT:   %Main.type: type = fn_type @Main [template]
    29. 

  29. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    30. 

  30. // CHECK:STDOUT:   %Main: %Main.type = struct_value () [template]
    31. 

  31. // CHECK:STDOUT:   %.2: i32 = int_value 0 [template]
    32. 

  32. // CHECK:STDOUT:   %.3: i32 = int_value 1 [template]
    33. 

  33. // CHECK:STDOUT:   %IndexWith.type.1: type = generic_interface_type @IndexWith [template]
    34. 

  34. // CHECK:STDOUT:   %IndexWith: %IndexWith.type.1 = struct_value () [template]
    35. 

  35. // CHECK:STDOUT:   %ElementType: type = bind_symbolic_name ElementType, 1 [symbolic]
    36. 

  36. // CHECK:STDOUT:   %SubscriptType: type = bind_symbolic_name SubscriptType, 0 [symbolic]
    37. 

  37. // CHECK:STDOUT:   %IndexWith.type.2: type = interface_type @IndexWith, @IndexWith(%SubscriptType, %ElementType) [symbolic]
    38. 

  38. // CHECK:STDOUT:   %Self.1: @IndexWith.%IndexWith.type (%IndexWith.type.2) = bind_symbolic_name Self, 2 [symbolic]
    39. 

  39. // CHECK:STDOUT:   %ElementType.patt: type = symbolic_binding_pattern ElementType, 1 [symbolic]
    40. 

  40. // CHECK:STDOUT:   %SubscriptType.patt: type = symbolic_binding_pattern SubscriptType, 0 [symbolic]
    41. 

  41. // CHECK:STDOUT:   %Self.2: %IndexWith.type.2 = bind_symbolic_name Self, 2 [symbolic]
    42. 

  42. // CHECK:STDOUT:   %At.type: type = fn_type @At, @IndexWith(%SubscriptType, %ElementType) [symbolic]
    43. 

  43. // CHECK:STDOUT:   %At: %At.type = struct_value () [symbolic]
    44. 

  44. // CHECK:STDOUT:   %.4: type = assoc_entity_type %IndexWith.type.2, %At.type [symbolic]
    45. 

  45. // CHECK:STDOUT:   %.5: %.4 = assoc_entity element0, imports.%import_ref.5 [symbolic]
    46. 

  46. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    47. 

  47. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    48. 

  48. // CHECK:STDOUT:   %.6: i32 = int_value 2 [template]
    49. 

  49. // CHECK:STDOUT:   %.7: type = array_type %.6, i32 [template]
    50. 

  50. // CHECK:STDOUT:   %.8: type = ptr_type %.7 [template]
    51. 

  51. // CHECK:STDOUT:   %.9: i32 = int_value 5 [template]
    52. 

  52. // CHECK:STDOUT:   %.10: type = tuple_type (i32, i32) [template]
    53. 

  53. // CHECK:STDOUT:   %array: %.7 = tuple_value (%.9, %.9) [template]
    54. 

  54. // CHECK:STDOUT: }
    55. 

  55. // CHECK:STDOUT:
    56. 

  56. // CHECK:STDOUT: imports {
    57. 

  57. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    58. 

  58. // CHECK:STDOUT:     .IndexWith = %import_ref.1
    59. 

  59. // CHECK:STDOUT:     .Int32 = %import_ref.6
    60. 

  60. // CHECK:STDOUT:     import Core//prelude
    61. 

  61. // CHECK:STDOUT:     import Core//prelude/...
    62. 

  62. // CHECK:STDOUT:   }
    63. 

  63. // CHECK:STDOUT:   %import_ref.1: %IndexWith.type.1 = import_ref Core//prelude/operators/index, inst+13, loaded [template = constants.%IndexWith]
    64. 

  64. // CHECK:STDOUT:   %import_ref.2 = import_ref Core//prelude/operators/index, inst+22, unloaded
    65. 

  65. // CHECK:STDOUT:   %import_ref.3 = import_ref Core//prelude/operators/index, inst+50, unloaded
    66. 

  66. // CHECK:STDOUT:   %import_ref.4 = import_ref Core//prelude/operators/index, inst+42, unloaded
    67. 

  67. // CHECK:STDOUT:   %import_ref.5 = import_ref Core//prelude/operators/index, inst+42, unloaded
    68. 

  68. // CHECK:STDOUT:   %import_ref.6: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
    69. 

  69. // CHECK:STDOUT: }
    70. 

  70. // CHECK:STDOUT:
    71. 

  71. // CHECK:STDOUT: file {
    72. 

  72. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    73. 

  73. // CHECK:STDOUT:     .Core = imports.%Core
    74. 

  74. // CHECK:STDOUT:     .Main = %Main.decl
    75. 

  75. // CHECK:STDOUT:   }
    76. 

  76. // CHECK:STDOUT:   %Core.import = import Core
    77. 

  77. // CHECK:STDOUT:   %Main.decl: %Main.type = fn_decl @Main [template = constants.%Main] {} {}
    78. 

  78. // CHECK:STDOUT: }
    79. 

  79. // CHECK:STDOUT:
    80. 

  80. // CHECK:STDOUT: generic interface @IndexWith(constants.%SubscriptType: type, constants.%ElementType: type) {
    81. 

  81. // CHECK:STDOUT:   %SubscriptType: type = bind_symbolic_name SubscriptType, 0 [symbolic = %SubscriptType (constants.%SubscriptType)]
    82. 

  82. // CHECK:STDOUT:   %SubscriptType.patt: type = symbolic_binding_pattern SubscriptType, 0 [symbolic = %SubscriptType.patt (constants.%SubscriptType.patt)]
    83. 

  83. // CHECK:STDOUT:   %ElementType: type = bind_symbolic_name ElementType, 1 [symbolic = %ElementType (constants.%ElementType)]
    84. 

  84. // CHECK:STDOUT:   %ElementType.patt: type = symbolic_binding_pattern ElementType, 1 [symbolic = %ElementType.patt (constants.%ElementType.patt)]
    85. 

  85. // CHECK:STDOUT:
    86. 

  86. // CHECK:STDOUT: !definition:
    87. 

  87. // CHECK:STDOUT:   %IndexWith.type: type = interface_type @IndexWith, @IndexWith(%SubscriptType, %ElementType) [symbolic = %IndexWith.type (constants.%IndexWith.type.2)]
    88. 

  88. // CHECK:STDOUT:   %Self: %IndexWith.type.2 = bind_symbolic_name Self, 2 [symbolic = %Self (constants.%Self.2)]
    89. 

  89. // CHECK:STDOUT:   %At.type: type = fn_type @At, @IndexWith(%SubscriptType, %ElementType) [symbolic = %At.type (constants.%At.type)]
    90. 

  90. // CHECK:STDOUT:   %At: @IndexWith.%At.type (%At.type) = struct_value () [symbolic = %At (constants.%At)]
    91. 

  91. // CHECK:STDOUT:   %.1: type = assoc_entity_type @IndexWith.%IndexWith.type (%IndexWith.type.2), @IndexWith.%At.type (%At.type) [symbolic = %.1 (constants.%.4)]
    92. 

  92. // CHECK:STDOUT:   %.2: @IndexWith.%.1 (%.4) = assoc_entity element0, imports.%import_ref.5 [symbolic = %.2 (constants.%.5)]
    93. 

  93. // CHECK:STDOUT:
    94. 

  94. // CHECK:STDOUT:   interface {
    95. 

  95. // CHECK:STDOUT:   !members:
    96. 

  96. // CHECK:STDOUT:     .Self = imports.%import_ref.2
    97. 

  97. // CHECK:STDOUT:     .At = imports.%import_ref.3
    98. 

  98. // CHECK:STDOUT:     witness = (imports.%import_ref.4)
    99. 

  99. // CHECK:STDOUT:   }
    100. 

  100. // CHECK:STDOUT: }
    101. 

  101. // CHECK:STDOUT:
    102. 

  102. // CHECK:STDOUT: fn @Main() {
    103. 

  103. // CHECK:STDOUT: !entry:
    104. 

  104. // CHECK:STDOUT:   %.loc16_3: i32 = int_value 0 [template = constants.%.2]
    105. 

  105. // CHECK:STDOUT:   %.loc16_5: i32 = int_value 1 [template = constants.%.3]
    106. 

  106. // CHECK:STDOUT:   %int.make_type_32.loc18: init type = call constants.%Int32() [template = i32]
    107. 

  107. // CHECK:STDOUT:   %.loc18_24: i32 = int_value 2 [template = constants.%.6]
    108. 

  108. // CHECK:STDOUT:   %.loc18_19.1: type = value_of_initializer %int.make_type_32.loc18 [template = i32]
    109. 

  109. // CHECK:STDOUT:   %.loc18_19.2: type = converted %int.make_type_32.loc18, %.loc18_19.1 [template = i32]
    110. 

  110. // CHECK:STDOUT:   %.loc18_25: type = array_type %.loc18_24, i32 [template = constants.%.7]
    111. 

  111. // CHECK:STDOUT:   %non_tuple.var: ref %.7 = var non_tuple
    112. 

  112. // CHECK:STDOUT:   %non_tuple: ref %.7 = bind_name non_tuple, %non_tuple.var
    113. 

  113. // CHECK:STDOUT:   %.loc18_30: i32 = int_value 5 [template = constants.%.9]
    114. 

  114. // CHECK:STDOUT:   %.loc18_33: i32 = int_value 5 [template = constants.%.9]
    115. 

  115. // CHECK:STDOUT:   %.loc18_34.1: %.10 = tuple_literal (%.loc18_30, %.loc18_33)
    116. 

  116. // CHECK:STDOUT:   %.loc18_34.2: i32 = int_value 0 [template = constants.%.2]
    117. 

  117. // CHECK:STDOUT:   %.loc18_34.3: ref i32 = array_index %non_tuple.var, %.loc18_34.2
    118. 

  118. // CHECK:STDOUT:   %.loc18_34.4: init i32 = initialize_from %.loc18_30 to %.loc18_34.3 [template = constants.%.9]
    119. 

  119. // CHECK:STDOUT:   %.loc18_34.5: i32 = int_value 1 [template = constants.%.3]
    120. 

  120. // CHECK:STDOUT:   %.loc18_34.6: ref i32 = array_index %non_tuple.var, %.loc18_34.5
    121. 

  121. // CHECK:STDOUT:   %.loc18_34.7: init i32 = initialize_from %.loc18_33 to %.loc18_34.6 [template = constants.%.9]
    122. 

  122. // CHECK:STDOUT:   %.loc18_34.8: init %.7 = array_init (%.loc18_34.4, %.loc18_34.7) to %non_tuple.var [template = constants.%array]
    123. 

  123. // CHECK:STDOUT:   %.loc18_35: init %.7 = converted %.loc18_34.1, %.loc18_34.8 [template = constants.%array]
    124. 

  124. // CHECK:STDOUT:   assign %non_tuple.var, %.loc18_35
    125. 

  125. // CHECK:STDOUT:   %int.make_type_32.loc22: init type = call constants.%Int32() [template = i32]
    126. 

  126. // CHECK:STDOUT:   %.loc22_14.1: type = value_of_initializer %int.make_type_32.loc22 [template = i32]
    127. 

  127. // CHECK:STDOUT:   %.loc22_14.2: type = converted %int.make_type_32.loc22, %.loc22_14.1 [template = i32]
    128. 

  128. // CHECK:STDOUT:   %first.var: ref i32 = var first
    129. 

  129. // CHECK:STDOUT:   %first: ref i32 = bind_name first, %first.var
    130. 

  130. // CHECK:STDOUT:   %non_tuple.ref: ref %.7 = name_ref non_tuple, %non_tuple
    131. 

  131. // CHECK:STDOUT:   %.loc22_30: i32 = int_value 0 [template = constants.%.2]
    132. 

  132. // CHECK:STDOUT:   assign %first.var, <error>
    133. 

  133. // CHECK:STDOUT:   return
    134. 

  134. // CHECK:STDOUT: }
    135. 

  135. // CHECK:STDOUT:
    136. 

  136. // CHECK:STDOUT: generic fn @At(constants.%SubscriptType: type, constants.%ElementType: type, constants.%Self.1: @IndexWith.%IndexWith.type (%IndexWith.type.2)) {
    137. 

  137. // CHECK:STDOUT:   %SubscriptType: type = bind_symbolic_name SubscriptType, 0 [symbolic = %SubscriptType (constants.%SubscriptType)]
    138. 

  138. // CHECK:STDOUT:   %ElementType: type = bind_symbolic_name ElementType, 1 [symbolic = %ElementType (constants.%ElementType)]
    139. 

  139. // CHECK:STDOUT:   %IndexWith.type: type = interface_type @IndexWith, @IndexWith(%SubscriptType, %ElementType) [symbolic = %IndexWith.type (constants.%IndexWith.type.2)]
    140. 

  140. // CHECK:STDOUT:   %Self: %IndexWith.type.2 = bind_symbolic_name Self, 2 [symbolic = %Self (constants.%Self.2)]
    141. 

  141. // CHECK:STDOUT:
    142. 

  142. // CHECK:STDOUT:   fn[%self.param_patt: @At.%Self (%Self.2)](%subscript.param_patt: @At.%SubscriptType (%SubscriptType)) -> @At.%ElementType (%ElementType);
    143. 

  143. // CHECK:STDOUT: }
    144. 

  144. // CHECK:STDOUT:
    145. 

  145. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    146. 

  146. // CHECK:STDOUT:
    147. 

  147. // CHECK:STDOUT: specific @IndexWith(constants.%SubscriptType, constants.%ElementType) {
    148. 

  148. // CHECK:STDOUT:   %SubscriptType => constants.%SubscriptType
    149. 

  149. // CHECK:STDOUT:   %SubscriptType.patt => constants.%SubscriptType
    150. 

  150. // CHECK:STDOUT:   %ElementType => constants.%ElementType
    151. 

  151. // CHECK:STDOUT:   %ElementType.patt => constants.%ElementType
    152. 

  152. // CHECK:STDOUT: }
    153. 

  153. // CHECK:STDOUT:
    154. 

  154. // CHECK:STDOUT: specific @IndexWith(@IndexWith.%SubscriptType, @IndexWith.%ElementType) {
    155. 

  155. // CHECK:STDOUT:   %SubscriptType => constants.%SubscriptType
    156. 

  156. // CHECK:STDOUT:   %SubscriptType.patt => constants.%SubscriptType
    157. 

  157. // CHECK:STDOUT:   %ElementType => constants.%ElementType
    158. 

  158. // CHECK:STDOUT:   %ElementType.patt => constants.%ElementType
    159. 

  159. // CHECK:STDOUT: }
    160. 

  160. // CHECK:STDOUT:
    161. 

  161. // CHECK:STDOUT: specific @IndexWith(@At.%SubscriptType, @At.%ElementType) {
    162. 

  162. // CHECK:STDOUT:   %SubscriptType => constants.%SubscriptType
    163. 

  163. // CHECK:STDOUT:   %SubscriptType.patt => constants.%SubscriptType
    164. 

  164. // CHECK:STDOUT:   %ElementType => constants.%ElementType
    165. 

  165. // CHECK:STDOUT:   %ElementType.patt => constants.%ElementType
    166. 

  166. // CHECK:STDOUT: }
    167. 

  167. // CHECK:STDOUT:
    168. 

  168. // CHECK:STDOUT: specific @At(constants.%SubscriptType, constants.%ElementType, constants.%Self.1) {
    169. 

  169. // CHECK:STDOUT:   %SubscriptType => constants.%SubscriptType
    170. 

  170. // CHECK:STDOUT:   %ElementType => constants.%ElementType
    171. 

  171. // CHECK:STDOUT:   %IndexWith.type => constants.%IndexWith.type.2
    172. 

  172. // CHECK:STDOUT:   %Self => constants.%Self.1
    173. 

  173. // CHECK:STDOUT: }
    174. 

  174. // CHECK:STDOUT:
    175.