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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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class
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fail_ref_self.carbon

fail_ref_self.carbon 8.1 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. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/convert.carbon
    6. 

  6. // TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
    7. 

  7. // EXTRA-ARGS: --dump-sem-ir-ranges=if-present
    8. 

  8. //
    9. 

  9. // AUTOUPDATE
    10. 

  10. // TIP: To test this file alone, run:
    11. 

  11. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/fail_ref_self.carbon
    12. 

  12. // TIP: To dump output, run:
    13. 

  13. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_ref_self.carbon
    14. 

  14. 

  15. class Class {
    16. 

  16.   fn F[ref self: Self]();
    17. 

  17. }
    18. 

  18. 

  19. fn Make() -> Class;
    20. 

  20. 

  21. fn F(c: Class, p: Class*) {
    22. 

  22.   // CHECK:STDERR: fail_ref_self.carbon:[[@LINE+7]]:3: error: value expression passed to reference parameter [ValueForRefParam]
    23. 

  23.   // CHECK:STDERR:   c.F();
    24. 

  24.   // CHECK:STDERR:   ^
    25. 

  25.   // CHECK:STDERR: fail_ref_self.carbon:[[@LINE-9]]:8: note: initializing function parameter [InCallToFunctionParam]
    26. 

  26.   // CHECK:STDERR:   fn F[ref self: Self]();
    27. 

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

  28.   // CHECK:STDERR:
    29. 

  29.   c.F();
    30. 

  30. 

  31.   // This call is OK.
    32. 

  32.   (*p).F();
    33. 

  33. 

  34.   // So is this one.
    35. 

  35.   Make().F();
    36. 

  36. }
    37. 

  37. 

  38. // CHECK:STDOUT: --- fail_ref_self.carbon
    39. 

  39. // CHECK:STDOUT:
    40. 

  40. // CHECK:STDOUT: constants {
    41. 

  41. // CHECK:STDOUT:   %Class: type = class_type @Class [concrete]
    42. 

  42. // CHECK:STDOUT:   %pattern_type.904: type = pattern_type %Class [concrete]
    43. 

  43. // CHECK:STDOUT:   %Class.F.type: type = fn_type @Class.F [concrete]
    44. 

  44. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    45. 

  45. // CHECK:STDOUT:   %Class.F: %Class.F.type = struct_value () [concrete]
    46. 

  46. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    47. 

  47. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    48. 

  48. // CHECK:STDOUT:   %.7f1: form = init_form %Class, call_param0 [concrete]
    49. 

  49. // CHECK:STDOUT:   %Make.type: type = fn_type @Make [concrete]
    50. 

  50. // CHECK:STDOUT:   %Make: %Make.type = struct_value () [concrete]
    51. 

  51. // CHECK:STDOUT:   %ptr.8e5: type = ptr_type %Class [concrete]
    52. 

  52. // CHECK:STDOUT:   %pattern_type.018: type = pattern_type %ptr.8e5 [concrete]
    53. 

  53. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    54. 

  54. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    55. 

  55. // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
    56. 

  56. // CHECK:STDOUT:   %DestroyOp.type: type = fn_type @DestroyOp [concrete]
    57. 

  57. // CHECK:STDOUT:   %DestroyOp: %DestroyOp.type = struct_value () [concrete]
    58. 

  58. // CHECK:STDOUT: }
    59. 

  59. // CHECK:STDOUT:
    60. 

  60. // CHECK:STDOUT: imports {
    61. 

  61. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    62. 

  62. // CHECK:STDOUT:     .Destroy = %Core.Destroy
    63. 

  63. // CHECK:STDOUT:     import Core//prelude
    64. 

  64. // CHECK:STDOUT:     import Core//prelude/...
    65. 

  65. // CHECK:STDOUT:   }
    66. 

  66. // CHECK:STDOUT:   %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
    67. 

  67. // CHECK:STDOUT: }
    68. 

  68. // CHECK:STDOUT:
    69. 

  69. // CHECK:STDOUT: file {
    70. 

  70. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    71. 

  71. // CHECK:STDOUT:     .Core = imports.%Core
    72. 

  72. // CHECK:STDOUT:     .Class = %Class.decl
    73. 

  73. // CHECK:STDOUT:     .Make = %Make.decl
    74. 

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

  75. // CHECK:STDOUT:   }
    76. 

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

  77. // CHECK:STDOUT:   %Class.decl: type = class_decl @Class [concrete = constants.%Class] {} {}
    78. 

  78. // CHECK:STDOUT:   %Make.decl: %Make.type = fn_decl @Make [concrete = constants.%Make] {
    79. 

  79. // CHECK:STDOUT:     %return.patt: %pattern_type.904 = return_slot_pattern [concrete]
    80. 

  80. // CHECK:STDOUT:     %return.param_patt: %pattern_type.904 = out_param_pattern %return.patt, call_param0 [concrete]
    81. 

  81. // CHECK:STDOUT:   } {
    82. 

  82. // CHECK:STDOUT:     %Class.ref: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
    83. 

  83. // CHECK:STDOUT:     %.loc19: form = init_form %Class.ref, call_param0 [concrete = constants.%.7f1]
    84. 

  84. // CHECK:STDOUT:     %return.param: ref %Class = out_param call_param0
    85. 

  85. // CHECK:STDOUT:     %return: ref %Class = return_slot %return.param
    86. 

  86. // CHECK:STDOUT:   }
    87. 

  87. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
    88. 

  88. // CHECK:STDOUT:     %c.patt: %pattern_type.904 = value_binding_pattern c [concrete]
    89. 

  89. // CHECK:STDOUT:     %c.param_patt: %pattern_type.904 = value_param_pattern %c.patt, call_param0 [concrete]
    90. 

  90. // CHECK:STDOUT:     %p.patt: %pattern_type.018 = value_binding_pattern p [concrete]
    91. 

  91. // CHECK:STDOUT:     %p.param_patt: %pattern_type.018 = value_param_pattern %p.patt, call_param1 [concrete]
    92. 

  92. // CHECK:STDOUT:   } {
    93. 

  93. // CHECK:STDOUT:     %c.param: %Class = value_param call_param0
    94. 

  94. // CHECK:STDOUT:     %Class.ref.loc21_9: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
    95. 

  95. // CHECK:STDOUT:     %c: %Class = value_binding c, %c.param
    96. 

  96. // CHECK:STDOUT:     %p.param: %ptr.8e5 = value_param call_param1
    97. 

  97. // CHECK:STDOUT:     %.loc21: type = splice_block %ptr [concrete = constants.%ptr.8e5] {
    98. 

  98. // CHECK:STDOUT:       %Class.ref.loc21_19: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
    99. 

  99. // CHECK:STDOUT:       %ptr: type = ptr_type %Class.ref.loc21_19 [concrete = constants.%ptr.8e5]
    100. 

  100. // CHECK:STDOUT:     }
    101. 

  101. // CHECK:STDOUT:     %p: %ptr.8e5 = value_binding p, %p.param
    102. 

  102. // CHECK:STDOUT:   }
    103. 

  103. // CHECK:STDOUT: }
    104. 

  104. // CHECK:STDOUT:
    105. 

  105. // CHECK:STDOUT: class @Class {
    106. 

  106. // CHECK:STDOUT:   %Class.F.decl: %Class.F.type = fn_decl @Class.F [concrete = constants.%Class.F] {
    107. 

  107. // CHECK:STDOUT:     %self.patt: %pattern_type.904 = ref_binding_pattern self [concrete]
    108. 

  108. // CHECK:STDOUT:     %self.param_patt: %pattern_type.904 = ref_param_pattern %self.patt, call_param0 [concrete]
    109. 

  109. // CHECK:STDOUT:   } {
    110. 

  110. // CHECK:STDOUT:     %self.param: ref %Class = ref_param call_param0
    111. 

  111. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    112. 

  112. // CHECK:STDOUT:     %self: ref %Class = ref_binding self, %self.param
    113. 

  113. // CHECK:STDOUT:   }
    114. 

  114. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
    115. 

  115. // CHECK:STDOUT:   complete_type_witness = %complete_type
    116. 

  116. // CHECK:STDOUT:
    117. 

  117. // CHECK:STDOUT: !members:
    118. 

  118. // CHECK:STDOUT:   .Self = constants.%Class
    119. 

  119. // CHECK:STDOUT:   .F = %Class.F.decl
    120. 

  120. // CHECK:STDOUT: }
    121. 

  121. // CHECK:STDOUT:
    122. 

  122. // CHECK:STDOUT: fn @Class.F(%self.param: %Class);
    123. 

  123. // CHECK:STDOUT:
    124. 

  124. // CHECK:STDOUT: fn @Make() -> %return.param: %Class;
    125. 

  125. // CHECK:STDOUT:
    126. 

  126. // CHECK:STDOUT: fn @F(%c.param: %Class, %p.param: %ptr.8e5) {
    127. 

  127. // CHECK:STDOUT: !entry:
    128. 

  128. // CHECK:STDOUT:   %c.ref: %Class = name_ref c, %c
    129. 

  129. // CHECK:STDOUT:   %F.ref.loc29: %Class.F.type = name_ref F, @Class.%Class.F.decl [concrete = constants.%Class.F]
    130. 

  130. // CHECK:STDOUT:   %Class.F.bound.loc29: <bound method> = bound_method %c.ref, %F.ref.loc29
    131. 

  131. // CHECK:STDOUT:   %Class.F.call.loc29: init %empty_tuple.type = call %Class.F.bound.loc29(<error>)
    132. 

  132. // CHECK:STDOUT:   %p.ref: %ptr.8e5 = name_ref p, %p
    133. 

  133. // CHECK:STDOUT:   %.loc32: ref %Class = deref %p.ref
    134. 

  134. // CHECK:STDOUT:   %F.ref.loc32: %Class.F.type = name_ref F, @Class.%Class.F.decl [concrete = constants.%Class.F]
    135. 

  135. // CHECK:STDOUT:   %Class.F.bound.loc32: <bound method> = bound_method %.loc32, %F.ref.loc32
    136. 

  136. // CHECK:STDOUT:   %Class.F.call.loc32: init %empty_tuple.type = call %Class.F.bound.loc32(%.loc32)
    137. 

  137. // CHECK:STDOUT:   %Make.ref: %Make.type = name_ref Make, file.%Make.decl [concrete = constants.%Make]
    138. 

  138. // CHECK:STDOUT:   %.loc35_8.1: ref %Class = temporary_storage
    139. 

  139. // CHECK:STDOUT:   %Make.call: init %Class = call %Make.ref() to %.loc35_8.1
    140. 

  140. // CHECK:STDOUT:   %.loc35_8.2: ref %Class = temporary %.loc35_8.1, %Make.call
    141. 

  141. // CHECK:STDOUT:   %F.ref.loc35: %Class.F.type = name_ref F, @Class.%Class.F.decl [concrete = constants.%Class.F]
    142. 

  142. // CHECK:STDOUT:   %Class.F.bound.loc35: <bound method> = bound_method %.loc35_8.2, %F.ref.loc35
    143. 

  143. // CHECK:STDOUT:   %Class.F.call.loc35: init %empty_tuple.type = call %Class.F.bound.loc35(%.loc35_8.2)
    144. 

  144. // CHECK:STDOUT:   %DestroyOp.bound: <bound method> = bound_method %.loc35_8.2, constants.%DestroyOp
    145. 

  145. // CHECK:STDOUT:   %DestroyOp.call: init %empty_tuple.type = call %DestroyOp.bound(%.loc35_8.2)
    146. 

  146. // CHECK:STDOUT:   return
    147. 

  147. // CHECK:STDOUT: }
    148. 

  148. // CHECK:STDOUT:
    149. 

  149. // CHECK:STDOUT: fn @DestroyOp(%self.param: %Class) = "no_op";
    150. 

  150. // CHECK:STDOUT:
    151.