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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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impl
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no_prelude
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self_in_class.carbon

self_in_class.carbon 8.5 KB
文件歷史 原始文件

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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/impl/no_prelude/self_in_class.carbon
    8. 

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

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/no_prelude/self_in_class.carbon
    10. 

  10. 

  11. interface DefaultConstructible {
    12. 

  12.   fn Make() -> Self;
    13. 

  13. }
    14. 

  14. 

  15. class C {}
    16. 

  16. 

  17. class A {
    18. 

  18.   impl C as DefaultConstructible {
    19. 

  19.     // `Self` here refers to `C`, not `A`.
    20. 

  20.     // TODO: Revisit this once #3714 is resolved.
    21. 

  21.     fn Make() -> Self { return {}; }
    22. 

  22.   }
    23. 

  23. }
    24. 

  24. 

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

  26. // CHECK:STDOUT:
    27. 

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

  28. // CHECK:STDOUT:   %DefaultConstructible.type: type = facet_type <@DefaultConstructible> [concrete]
    29. 

  29. // CHECK:STDOUT:   %Self: %DefaultConstructible.type = bind_symbolic_name Self, 0 [symbolic]
    30. 

  30. // CHECK:STDOUT:   %Self.as_type: type = facet_access_type %Self [symbolic]
    31. 

  31. // CHECK:STDOUT:   %pattern_type.839: type = pattern_type %Self.as_type [symbolic]
    32. 

  32. // CHECK:STDOUT:   %Make.type.068: type = fn_type @Make.1 [concrete]
    33. 

  33. // CHECK:STDOUT:   %Make.606: %Make.type.068 = struct_value () [concrete]
    34. 

  34. // CHECK:STDOUT:   %DefaultConstructible.assoc_type: type = assoc_entity_type @DefaultConstructible [concrete]
    35. 

  35. // CHECK:STDOUT:   %assoc0: %DefaultConstructible.assoc_type = assoc_entity element0, @DefaultConstructible.%Make.decl [concrete]
    36. 

  36. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    37. 

  37. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    38. 

  38. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    39. 

  39. // CHECK:STDOUT:   %A: type = class_type @A [concrete]
    40. 

  40. // CHECK:STDOUT:   %DefaultConstructible.impl_witness: <witness> = impl_witness @A.%DefaultConstructible.impl_witness_table [concrete]
    41. 

  41. // CHECK:STDOUT:   %pattern_type.c48: type = pattern_type %C [concrete]
    42. 

  42. // CHECK:STDOUT:   %Make.type.351: type = fn_type @Make.2 [concrete]
    43. 

  43. // CHECK:STDOUT:   %Make.b73: %Make.type.351 = struct_value () [concrete]
    44. 

  44. // CHECK:STDOUT:   %DefaultConstructible.facet: %DefaultConstructible.type = facet_value %C, (%DefaultConstructible.impl_witness) [concrete]
    45. 

  45. // CHECK:STDOUT:   %C.val: %C = struct_value () [concrete]
    46. 

  46. // CHECK:STDOUT: }
    47. 

  47. // CHECK:STDOUT:
    48. 

  48. // CHECK:STDOUT: file {
    49. 

  49. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    50. 

  50. // CHECK:STDOUT:     .DefaultConstructible = %DefaultConstructible.decl
    51. 

  51. // CHECK:STDOUT:     .C = %C.decl
    52. 

  52. // CHECK:STDOUT:     .A = %A.decl
    53. 

  53. // CHECK:STDOUT:   }
    54. 

  54. // CHECK:STDOUT:   %DefaultConstructible.decl: type = interface_decl @DefaultConstructible [concrete = constants.%DefaultConstructible.type] {} {}
    55. 

  55. // CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
    56. 

  56. // CHECK:STDOUT:   %A.decl: type = class_decl @A [concrete = constants.%A] {} {}
    57. 

  57. // CHECK:STDOUT: }
    58. 

  58. // CHECK:STDOUT:
    59. 

  59. // CHECK:STDOUT: interface @DefaultConstructible {
    60. 

  60. // CHECK:STDOUT:   %Self: %DefaultConstructible.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
    61. 

  61. // CHECK:STDOUT:   %Make.decl: %Make.type.068 = fn_decl @Make.1 [concrete = constants.%Make.606] {
    62. 

  62. // CHECK:STDOUT:     %return.patt: @Make.1.%pattern_type (%pattern_type.839) = return_slot_pattern [concrete]
    63. 

  63. // CHECK:STDOUT:     %return.param_patt: @Make.1.%pattern_type (%pattern_type.839) = out_param_pattern %return.patt, call_param0 [concrete]
    64. 

  64. // CHECK:STDOUT:   } {
    65. 

  65. // CHECK:STDOUT:     %Self.ref: %DefaultConstructible.type = name_ref Self, @DefaultConstructible.%Self [symbolic = %Self (constants.%Self)]
    66. 

  66. // CHECK:STDOUT:     %Self.as_type.loc12_16.2: type = facet_access_type %Self.ref [symbolic = %Self.as_type.loc12_16.1 (constants.%Self.as_type)]
    67. 

  67. // CHECK:STDOUT:     %.loc12: type = converted %Self.ref, %Self.as_type.loc12_16.2 [symbolic = %Self.as_type.loc12_16.1 (constants.%Self.as_type)]
    68. 

  68. // CHECK:STDOUT:     %return.param: ref @Make.1.%Self.as_type.loc12_16.1 (%Self.as_type) = out_param call_param0
    69. 

  69. // CHECK:STDOUT:     %return: ref @Make.1.%Self.as_type.loc12_16.1 (%Self.as_type) = return_slot %return.param
    70. 

  70. // CHECK:STDOUT:   }
    71. 

  71. // CHECK:STDOUT:   %assoc0: %DefaultConstructible.assoc_type = assoc_entity element0, %Make.decl [concrete = constants.%assoc0]
    72. 

  72. // CHECK:STDOUT:
    73. 

  73. // CHECK:STDOUT: !members:
    74. 

  74. // CHECK:STDOUT:   .Self = %Self
    75. 

  75. // CHECK:STDOUT:   .Make = %assoc0
    76. 

  76. // CHECK:STDOUT:   witness = (%Make.decl)
    77. 

  77. // CHECK:STDOUT: }
    78. 

  78. // CHECK:STDOUT:
    79. 

  79. // CHECK:STDOUT: impl @impl: %C.ref as %DefaultConstructible.ref {
    80. 

  80. // CHECK:STDOUT:   %Make.decl: %Make.type.351 = fn_decl @Make.2 [concrete = constants.%Make.b73] {
    81. 

  81. // CHECK:STDOUT:     %return.patt: %pattern_type.c48 = return_slot_pattern [concrete]
    82. 

  82. // CHECK:STDOUT:     %return.param_patt: %pattern_type.c48 = out_param_pattern %return.patt, call_param0 [concrete]
    83. 

  83. // CHECK:STDOUT:   } {
    84. 

  84. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, @impl.%C.ref [concrete = constants.%C]
    85. 

  85. // CHECK:STDOUT:     %return.param: ref %C = out_param call_param0
    86. 

  86. // CHECK:STDOUT:     %return: ref %C = return_slot %return.param
    87. 

  87. // CHECK:STDOUT:   }
    88. 

  88. // CHECK:STDOUT:
    89. 

  89. // CHECK:STDOUT: !members:
    90. 

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

  91. // CHECK:STDOUT:   witness = @A.%DefaultConstructible.impl_witness
    92. 

  92. // CHECK:STDOUT: }
    93. 

  93. // CHECK:STDOUT:
    94. 

  94. // CHECK:STDOUT: class @C {
    95. 

  95. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete = constants.%empty_struct_type]
    96. 

  96. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
    97. 

  97. // CHECK:STDOUT:   complete_type_witness = %complete_type
    98. 

  98. // CHECK:STDOUT:
    99. 

  99. // CHECK:STDOUT: !members:
    100. 

  100. // CHECK:STDOUT:   .Self = constants.%C
    101. 

  101. // CHECK:STDOUT: }
    102. 

  102. // CHECK:STDOUT:
    103. 

  103. // CHECK:STDOUT: class @A {
    104. 

  104. // CHECK:STDOUT:   impl_decl @impl [concrete] {} {
    105. 

  105. // CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
    106. 

  106. // CHECK:STDOUT:     %DefaultConstructible.ref: type = name_ref DefaultConstructible, file.%DefaultConstructible.decl [concrete = constants.%DefaultConstructible.type]
    107. 

  107. // CHECK:STDOUT:   }
    108. 

  108. // CHECK:STDOUT:   %DefaultConstructible.impl_witness_table = impl_witness_table (@impl.%Make.decl), @impl [concrete]
    109. 

  109. // CHECK:STDOUT:   %DefaultConstructible.impl_witness: <witness> = impl_witness %DefaultConstructible.impl_witness_table [concrete = constants.%DefaultConstructible.impl_witness]
    110. 

  110. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete = constants.%empty_struct_type]
    111. 

  111. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
    112. 

  112. // CHECK:STDOUT:   complete_type_witness = %complete_type
    113. 

  113. // CHECK:STDOUT:
    114. 

  114. // CHECK:STDOUT: !members:
    115. 

  115. // CHECK:STDOUT:   .Self = constants.%A
    116. 

  116. // CHECK:STDOUT:   .C = <poisoned>
    117. 

  117. // CHECK:STDOUT:   .DefaultConstructible = <poisoned>
    118. 

  118. // CHECK:STDOUT: }
    119. 

  119. // CHECK:STDOUT:
    120. 

  120. // CHECK:STDOUT: generic fn @Make.1(@DefaultConstructible.%Self: %DefaultConstructible.type) {
    121. 

  121. // CHECK:STDOUT:   %Self: %DefaultConstructible.type = bind_symbolic_name Self, 0 [symbolic = %Self (constants.%Self)]
    122. 

  122. // CHECK:STDOUT:   %Self.as_type.loc12_16.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc12_16.1 (constants.%Self.as_type)]
    123. 

  123. // CHECK:STDOUT:   %pattern_type: type = pattern_type %Self.as_type.loc12_16.1 [symbolic = %pattern_type (constants.%pattern_type.839)]
    124. 

  124. // CHECK:STDOUT:
    125. 

  125. // CHECK:STDOUT:   fn() -> @Make.1.%Self.as_type.loc12_16.1 (%Self.as_type);
    126. 

  126. // CHECK:STDOUT: }
    127. 

  127. // CHECK:STDOUT:
    128. 

  128. // CHECK:STDOUT: fn @Make.2() -> %return.param: %C {
    129. 

  129. // CHECK:STDOUT: !entry:
    130. 

  130. // CHECK:STDOUT:   %.loc21_33.1: %empty_struct_type = struct_literal ()
    131. 

  131. // CHECK:STDOUT:   %.loc21_33.2: init %C = class_init (), %return [concrete = constants.%C.val]
    132. 

  132. // CHECK:STDOUT:   %.loc21_34: init %C = converted %.loc21_33.1, %.loc21_33.2 [concrete = constants.%C.val]
    133. 

  133. // CHECK:STDOUT:   return %.loc21_34 to %return
    134. 

  134. // CHECK:STDOUT: }
    135. 

  135. // CHECK:STDOUT:
    136. 

  136. // CHECK:STDOUT: specific @Make.1(constants.%Self) {
    137. 

  137. // CHECK:STDOUT:   %Self => constants.%Self
    138. 

  138. // CHECK:STDOUT:   %Self.as_type.loc12_16.1 => constants.%Self.as_type
    139. 

  139. // CHECK:STDOUT:   %pattern_type => constants.%pattern_type.839
    140. 

  140. // CHECK:STDOUT: }
    141. 

  141. // CHECK:STDOUT:
    142. 

  142. // CHECK:STDOUT: specific @Make.1(constants.%DefaultConstructible.facet) {
    143. 

  143. // CHECK:STDOUT:   %Self => constants.%DefaultConstructible.facet
    144. 

  144. // CHECK:STDOUT:   %Self.as_type.loc12_16.1 => constants.%C
    145. 

  145. // CHECK:STDOUT:   %pattern_type => constants.%pattern_type.c48
    146. 

  146. // CHECK:STDOUT: }
    147. 

  147. // CHECK:STDOUT:
    148.