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fail_assign_non_ref.carbon

fail_assign_non_ref.carbon 12 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/operators/overloaded/fail_assign_non_ref.carbon
    8. 

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

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/operators/overloaded/fail_assign_non_ref.carbon
    10. 

  10. 

  11. package User;
    12. 

  12. 

  13. class C {};
    14. 

  14. 

  15. impl C as Core.Inc {
    16. 

  16.   fn Op[addr self: C*]();
    17. 

  17. }
    18. 

  18. impl C as Core.AddAssign {
    19. 

  19.   fn Op[addr self: C*](other: C);
    20. 

  20. }
    21. 

  21. 

  22. fn TestIncNonRef(a: C) {
    23. 

  23.   // CHECK:STDERR: fail_assign_non_ref.carbon:[[@LINE+7]]:5: error: `addr self` method cannot be invoked on a value [AddrSelfIsNonRef]
    24. 

  24.   // CHECK:STDERR:   ++a;
    25. 

  25.   // CHECK:STDERR:     ^
    26. 

  26.   // CHECK:STDERR: fail_assign_non_ref.carbon:[[@LINE-10]]:9: note: initializing function parameter [InCallToFunctionParam]
    27. 

  27.   // CHECK:STDERR:   fn Op[addr self: C*]();
    28. 

  28.   // CHECK:STDERR:         ^~~~~~~~~~~~~
    29. 

  29.   // CHECK:STDERR:
    30. 

  30.   ++a;
    31. 

  31. }
    32. 

  32. 

  33. fn TestAddAssignNonRef(a: C, b: C) {
    34. 

  34.   // CHECK:STDERR: fail_assign_non_ref.carbon:[[@LINE+7]]:3: error: `addr self` method cannot be invoked on a value [AddrSelfIsNonRef]
    35. 

  35.   // CHECK:STDERR:   a += b;
    36. 

  36.   // CHECK:STDERR:   ^
    37. 

  37.   // CHECK:STDERR: fail_assign_non_ref.carbon:[[@LINE-18]]:9: note: initializing function parameter [InCallToFunctionParam]
    38. 

  38.   // CHECK:STDERR:   fn Op[addr self: C*](other: C);
    39. 

  39.   // CHECK:STDERR:         ^~~~~~~~~~~~~
    40. 

  40.   // CHECK:STDERR:
    41. 

  41.   a += b;
    42. 

  42. }
    43. 

  43. 

  44. // CHECK:STDOUT: --- fail_assign_non_ref.carbon
    45. 

  45. // CHECK:STDOUT:
    46. 

  46. // CHECK:STDOUT: constants {
    47. 

  47. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    48. 

  48. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    49. 

  49. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    50. 

  50. // CHECK:STDOUT:   %Inc.type: type = facet_type <@Inc> [concrete]
    51. 

  51. // CHECK:STDOUT:   %Op.type.e3a: type = fn_type @Op.1 [concrete]
    52. 

  52. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    53. 

  53. // CHECK:STDOUT:   %pattern_type.f6d: type = pattern_type auto [concrete]
    54. 

  54. // CHECK:STDOUT:   %Inc.impl_witness: <witness> = impl_witness file.%Inc.impl_witness_table [concrete]
    55. 

  55. // CHECK:STDOUT:   %ptr.019: type = ptr_type %C [concrete]
    56. 

  56. // CHECK:STDOUT:   %pattern_type.44a: type = pattern_type %ptr.019 [concrete]
    57. 

  57. // CHECK:STDOUT:   %Op.type.73a: type = fn_type @Op.2 [concrete]
    58. 

  58. // CHECK:STDOUT:   %Op.0c9: %Op.type.73a = struct_value () [concrete]
    59. 

  59. // CHECK:STDOUT:   %Inc.facet: %Inc.type = facet_value %C, (%Inc.impl_witness) [concrete]
    60. 

  60. // CHECK:STDOUT:   %AddAssign.type: type = facet_type <@AddAssign> [concrete]
    61. 

  61. // CHECK:STDOUT:   %Op.type.421: type = fn_type @Op.3 [concrete]
    62. 

  62. // CHECK:STDOUT:   %AddAssign.impl_witness: <witness> = impl_witness file.%AddAssign.impl_witness_table [concrete]
    63. 

  63. // CHECK:STDOUT:   %pattern_type.c48: type = pattern_type %C [concrete]
    64. 

  64. // CHECK:STDOUT:   %Op.type.0b8: type = fn_type @Op.4 [concrete]
    65. 

  65. // CHECK:STDOUT:   %Op.d8e: %Op.type.0b8 = struct_value () [concrete]
    66. 

  66. // CHECK:STDOUT:   %AddAssign.facet: %AddAssign.type = facet_value %C, (%AddAssign.impl_witness) [concrete]
    67. 

  67. // CHECK:STDOUT:   %TestIncNonRef.type: type = fn_type @TestIncNonRef [concrete]
    68. 

  68. // CHECK:STDOUT:   %TestIncNonRef: %TestIncNonRef.type = struct_value () [concrete]
    69. 

  69. // CHECK:STDOUT:   %.bc7: type = fn_type_with_self_type %Op.type.e3a, %Inc.facet [concrete]
    70. 

  70. // CHECK:STDOUT:   %TestAddAssignNonRef.type: type = fn_type @TestAddAssignNonRef [concrete]
    71. 

  71. // CHECK:STDOUT:   %TestAddAssignNonRef: %TestAddAssignNonRef.type = struct_value () [concrete]
    72. 

  72. // CHECK:STDOUT:   %.6d3: type = fn_type_with_self_type %Op.type.421, %AddAssign.facet [concrete]
    73. 

  73. // CHECK:STDOUT: }
    74. 

  74. // CHECK:STDOUT:
    75. 

  75. // CHECK:STDOUT: imports {
    76. 

  76. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    77. 

  77. // CHECK:STDOUT:     .Inc = %Core.Inc
    78. 

  78. // CHECK:STDOUT:     .AddAssign = %Core.AddAssign
    79. 

  79. // CHECK:STDOUT:     import Core//prelude
    80. 

  80. // CHECK:STDOUT:     import Core//prelude/...
    81. 

  81. // CHECK:STDOUT:   }
    82. 

  82. // CHECK:STDOUT:   %Core.Inc: type = import_ref Core//prelude/operators/arithmetic, Inc, loaded [concrete = constants.%Inc.type]
    83. 

  83. // CHECK:STDOUT:   %Core.AddAssign: type = import_ref Core//prelude/operators/arithmetic, AddAssign, loaded [concrete = constants.%AddAssign.type]
    84. 

  84. // CHECK:STDOUT: }
    85. 

  85. // CHECK:STDOUT:
    86. 

  86. // CHECK:STDOUT: file {
    87. 

  87. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    88. 

  88. // CHECK:STDOUT:     .Core = imports.%Core
    89. 

  89. // CHECK:STDOUT:     .C = %C.decl
    90. 

  90. // CHECK:STDOUT:     .TestIncNonRef = %TestIncNonRef.decl
    91. 

  91. // CHECK:STDOUT:     .TestAddAssignNonRef = %TestAddAssignNonRef.decl
    92. 

  92. // CHECK:STDOUT:   }
    93. 

  93. // CHECK:STDOUT:   %Core.import = import Core
    94. 

  94. // CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
    95. 

  95. // CHECK:STDOUT:   impl_decl @impl.c51 [concrete] {} {
    96. 

  96. // CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
    97. 

  97. // CHECK:STDOUT:     %Core.ref: <namespace> = name_ref Core, imports.%Core [concrete = imports.%Core]
    98. 

  98. // CHECK:STDOUT:     %Inc.ref: type = name_ref Inc, imports.%Core.Inc [concrete = constants.%Inc.type]
    99. 

  99. // CHECK:STDOUT:   }
    100. 

  100. // CHECK:STDOUT:   %Inc.impl_witness_table = impl_witness_table (@impl.c51.%Op.decl), @impl.c51 [concrete]
    101. 

  101. // CHECK:STDOUT:   %Inc.impl_witness: <witness> = impl_witness %Inc.impl_witness_table [concrete = constants.%Inc.impl_witness]
    102. 

  102. // CHECK:STDOUT:   impl_decl @impl.14c [concrete] {} {
    103. 

  103. // CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
    104. 

  104. // CHECK:STDOUT:     %Core.ref: <namespace> = name_ref Core, imports.%Core [concrete = imports.%Core]
    105. 

  105. // CHECK:STDOUT:     %AddAssign.ref: type = name_ref AddAssign, imports.%Core.AddAssign [concrete = constants.%AddAssign.type]
    106. 

  106. // CHECK:STDOUT:   }
    107. 

  107. // CHECK:STDOUT:   %AddAssign.impl_witness_table = impl_witness_table (@impl.14c.%Op.decl), @impl.14c [concrete]
    108. 

  108. // CHECK:STDOUT:   %AddAssign.impl_witness: <witness> = impl_witness %AddAssign.impl_witness_table [concrete = constants.%AddAssign.impl_witness]
    109. 

  109. // CHECK:STDOUT:   %TestIncNonRef.decl: %TestIncNonRef.type = fn_decl @TestIncNonRef [concrete = constants.%TestIncNonRef] {
    110. 

  110. // CHECK:STDOUT:     %a.patt: %pattern_type.c48 = binding_pattern a [concrete]
    111. 

  111. // CHECK:STDOUT:     %a.param_patt: %pattern_type.c48 = value_param_pattern %a.patt, call_param0 [concrete]
    112. 

  112. // CHECK:STDOUT:   } {
    113. 

  113. // CHECK:STDOUT:     %a.param: %C = value_param call_param0
    114. 

  114. // CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
    115. 

  115. // CHECK:STDOUT:     %a: %C = bind_name a, %a.param
    116. 

  116. // CHECK:STDOUT:   }
    117. 

  117. // CHECK:STDOUT:   %TestAddAssignNonRef.decl: %TestAddAssignNonRef.type = fn_decl @TestAddAssignNonRef [concrete = constants.%TestAddAssignNonRef] {
    118. 

  118. // CHECK:STDOUT:     %a.patt: %pattern_type.c48 = binding_pattern a [concrete]
    119. 

  119. // CHECK:STDOUT:     %a.param_patt: %pattern_type.c48 = value_param_pattern %a.patt, call_param0 [concrete]
    120. 

  120. // CHECK:STDOUT:     %b.patt: %pattern_type.c48 = binding_pattern b [concrete]
    121. 

  121. // CHECK:STDOUT:     %b.param_patt: %pattern_type.c48 = value_param_pattern %b.patt, call_param1 [concrete]
    122. 

  122. // CHECK:STDOUT:   } {
    123. 

  123. // CHECK:STDOUT:     %a.param: %C = value_param call_param0
    124. 

  124. // CHECK:STDOUT:     %C.ref.loc33_27: type = name_ref C, file.%C.decl [concrete = constants.%C]
    125. 

  125. // CHECK:STDOUT:     %a: %C = bind_name a, %a.param
    126. 

  126. // CHECK:STDOUT:     %b.param: %C = value_param call_param1
    127. 

  127. // CHECK:STDOUT:     %C.ref.loc33_33: type = name_ref C, file.%C.decl [concrete = constants.%C]
    128. 

  128. // CHECK:STDOUT:     %b: %C = bind_name b, %b.param
    129. 

  129. // CHECK:STDOUT:   }
    130. 

  130. // CHECK:STDOUT: }
    131. 

  131. // CHECK:STDOUT:
    132. 

  132. // CHECK:STDOUT: impl @impl.c51: %C.ref as %Inc.ref {
    133. 

  133. // CHECK:STDOUT:   %Op.decl: %Op.type.73a = fn_decl @Op.2 [concrete = constants.%Op.0c9] {
    134. 

  134. // CHECK:STDOUT:     %self.patt: %pattern_type.44a = binding_pattern self [concrete]
    135. 

  135. // CHECK:STDOUT:     %self.param_patt: %pattern_type.44a = value_param_pattern %self.patt, call_param0 [concrete]
    136. 

  136. // CHECK:STDOUT:     %.loc16_9: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
    137. 

  137. // CHECK:STDOUT:   } {
    138. 

  138. // CHECK:STDOUT:     %self.param: %ptr.019 = value_param call_param0
    139. 

  139. // CHECK:STDOUT:     %.loc16_21: type = splice_block %ptr [concrete = constants.%ptr.019] {
    140. 

  140. // CHECK:STDOUT:       %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
    141. 

  141. // CHECK:STDOUT:       %ptr: type = ptr_type %C.ref [concrete = constants.%ptr.019]
    142. 

  142. // CHECK:STDOUT:     }
    143. 

  143. // CHECK:STDOUT:     %self: %ptr.019 = bind_name self, %self.param
    144. 

  144. // CHECK:STDOUT:   }
    145. 

  145. // CHECK:STDOUT:
    146. 

  146. // CHECK:STDOUT: !members:
    147. 

  147. // CHECK:STDOUT:   .C = <poisoned>
    148. 

  148. // CHECK:STDOUT:   .Op = %Op.decl
    149. 

  149. // CHECK:STDOUT:   witness = file.%Inc.impl_witness
    150. 

  150. // CHECK:STDOUT: }
    151. 

  151. // CHECK:STDOUT:
    152. 

  152. // CHECK:STDOUT: impl @impl.14c: %C.ref as %AddAssign.ref {
    153. 

  153. // CHECK:STDOUT:   %Op.decl: %Op.type.0b8 = fn_decl @Op.4 [concrete = constants.%Op.d8e] {
    154. 

  154. // CHECK:STDOUT:     %self.patt: %pattern_type.44a = binding_pattern self [concrete]
    155. 

  155. // CHECK:STDOUT:     %self.param_patt: %pattern_type.44a = value_param_pattern %self.patt, call_param0 [concrete]
    156. 

  156. // CHECK:STDOUT:     %.loc19_9: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
    157. 

  157. // CHECK:STDOUT:     %other.patt: %pattern_type.c48 = binding_pattern other [concrete]
    158. 

  158. // CHECK:STDOUT:     %other.param_patt: %pattern_type.c48 = value_param_pattern %other.patt, call_param1 [concrete]
    159. 

  159. // CHECK:STDOUT:   } {
    160. 

  160. // CHECK:STDOUT:     %self.param: %ptr.019 = value_param call_param0
    161. 

  161. // CHECK:STDOUT:     %.loc19_21: type = splice_block %ptr [concrete = constants.%ptr.019] {
    162. 

  162. // CHECK:STDOUT:       %C.ref.loc19_20: type = name_ref C, file.%C.decl [concrete = constants.%C]
    163. 

  163. // CHECK:STDOUT:       %ptr: type = ptr_type %C.ref.loc19_20 [concrete = constants.%ptr.019]
    164. 

  164. // CHECK:STDOUT:     }
    165. 

  165. // CHECK:STDOUT:     %self: %ptr.019 = bind_name self, %self.param
    166. 

  166. // CHECK:STDOUT:     %other.param: %C = value_param call_param1
    167. 

  167. // CHECK:STDOUT:     %C.ref.loc19_31: type = name_ref C, file.%C.decl [concrete = constants.%C]
    168. 

  168. // CHECK:STDOUT:     %other: %C = bind_name other, %other.param
    169. 

  169. // CHECK:STDOUT:   }
    170. 

  170. // CHECK:STDOUT:
    171. 

  171. // CHECK:STDOUT: !members:
    172. 

  172. // CHECK:STDOUT:   .C = <poisoned>
    173. 

  173. // CHECK:STDOUT:   .Op = %Op.decl
    174. 

  174. // CHECK:STDOUT:   witness = file.%AddAssign.impl_witness
    175. 

  175. // CHECK:STDOUT: }
    176. 

  176. // CHECK:STDOUT:
    177. 

  177. // CHECK:STDOUT: class @C {
    178. 

  178. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete = constants.%empty_struct_type]
    179. 

  179. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
    180. 

  180. // CHECK:STDOUT:   complete_type_witness = %complete_type
    181. 

  181. // CHECK:STDOUT:
    182. 

  182. // CHECK:STDOUT: !members:
    183. 

  183. // CHECK:STDOUT:   .Self = constants.%C
    184. 

  184. // CHECK:STDOUT: }
    185. 

  185. // CHECK:STDOUT:
    186. 

  186. // CHECK:STDOUT: fn @Op.2(%self.param: %ptr.019);
    187. 

  187. // CHECK:STDOUT:
    188. 

  188. // CHECK:STDOUT: fn @Op.4(%self.param: %ptr.019, %other.param: %C);
    189. 

  189. // CHECK:STDOUT:
    190. 

  190. // CHECK:STDOUT: fn @TestIncNonRef(%a.param: %C) {
    191. 

  191. // CHECK:STDOUT: !entry:
    192. 

  192. // CHECK:STDOUT:   %a.ref: %C = name_ref a, %a
    193. 

  193. // CHECK:STDOUT:   %impl.elem0: %.bc7 = impl_witness_access constants.%Inc.impl_witness, element0 [concrete = constants.%Op.0c9]
    194. 

  194. // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %a.ref, %impl.elem0
    195. 

  195. // CHECK:STDOUT:   %.loc30: ref %C = temporary_storage
    196. 

  196. // CHECK:STDOUT:   %addr: %ptr.019 = addr_of %.loc30
    197. 

  197. // CHECK:STDOUT:   %Op.call: init %empty_tuple.type = call %bound_method(%addr)
    198. 

  198. // CHECK:STDOUT:   return
    199. 

  199. // CHECK:STDOUT: }
    200. 

  200. // CHECK:STDOUT:
    201. 

  201. // CHECK:STDOUT: fn @TestAddAssignNonRef(%a.param: %C, %b.param: %C) {
    202. 

  202. // CHECK:STDOUT: !entry:
    203. 

  203. // CHECK:STDOUT:   %a.ref: %C = name_ref a, %a
    204. 

  204. // CHECK:STDOUT:   %b.ref: %C = name_ref b, %b
    205. 

  205. // CHECK:STDOUT:   %impl.elem0: %.6d3 = impl_witness_access constants.%AddAssign.impl_witness, element0 [concrete = constants.%Op.d8e]
    206. 

  206. // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %a.ref, %impl.elem0
    207. 

  207. // CHECK:STDOUT:   %.loc41: ref %C = temporary_storage
    208. 

  208. // CHECK:STDOUT:   %addr: %ptr.019 = addr_of %.loc41
    209. 

  209. // CHECK:STDOUT:   %Op.call: init %empty_tuple.type = call %bound_method(%addr, %b.ref)
    210. 

  210. // CHECK:STDOUT:   return
    211. 

  211. // CHECK:STDOUT: }
    212. 

  212. // CHECK:STDOUT:
    213.