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carbon-lang
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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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base.carbon

base.carbon 7.1 KB
История Исходник

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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. 

  7. base class Base {
    8. 

  8.   var b: i32;
    9. 

  9. }
    10. 

  10. 

  11. class Derived {
    12. 

  12.   extend base: Base;
    13. 

  13. 

  14.   var d: i32;
    15. 

  15. }
    16. 

  16. 

  17. fn Make() -> Derived {
    18. 

  18.   return {.base = {.b = 4}, .d = 7};
    19. 

  19. }
    20. 

  20. 

  21. fn Access(d: Derived) -> (i32, i32) {
    22. 

  22.   return (d.d, d.base.b);
    23. 

  23. }
    24. 

  24. 

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

  26. // CHECK:STDOUT:
    27. 

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

  28. // CHECK:STDOUT:   %Base: type = class_type @Base [template]
    29. 

  29. // CHECK:STDOUT:   %.1: type = unbound_element_type Base, i32 [template]
    30. 

  30. // CHECK:STDOUT:   %.2: type = struct_type {.b: i32} [template]
    31. 

  31. // CHECK:STDOUT:   %Derived: type = class_type @Derived [template]
    32. 

  32. // CHECK:STDOUT:   %.3: type = ptr_type {.b: i32} [template]
    33. 

  33. // CHECK:STDOUT:   %.4: type = unbound_element_type Derived, Base [template]
    34. 

  34. // CHECK:STDOUT:   %.5: type = unbound_element_type Derived, i32 [template]
    35. 

  35. // CHECK:STDOUT:   %.6: type = struct_type {.base: Base, .d: i32} [template]
    36. 

  36. // CHECK:STDOUT:   %.7: type = struct_type {.base: {.b: i32}*, .d: i32} [template]
    37. 

  37. // CHECK:STDOUT:   %.8: type = ptr_type {.base: {.b: i32}*, .d: i32} [template]
    38. 

  38. // CHECK:STDOUT:   %.9: type = ptr_type {.base: Base, .d: i32} [template]
    39. 

  39. // CHECK:STDOUT:   %.10: i32 = int_literal 4 [template]
    40. 

  40. // CHECK:STDOUT:   %.11: i32 = int_literal 7 [template]
    41. 

  41. // CHECK:STDOUT:   %.12: type = struct_type {.base: {.b: i32}, .d: i32} [template]
    42. 

  42. // CHECK:STDOUT:   %.13: Base = struct_value (%.10) [template]
    43. 

  43. // CHECK:STDOUT:   %.14: Derived = struct_value (%.13, %.11) [template]
    44. 

  44. // CHECK:STDOUT:   %.15: type = tuple_type (type, type) [template]
    45. 

  45. // CHECK:STDOUT:   %.16: type = tuple_type (i32, i32) [template]
    46. 

  46. // CHECK:STDOUT:   %.17: type = ptr_type (i32, i32) [template]
    47. 

  47. // CHECK:STDOUT: }
    48. 

  48. // CHECK:STDOUT:
    49. 

  49. // CHECK:STDOUT: file {
    50. 

  50. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    51. 

  51. // CHECK:STDOUT:     .Core = %Core
    52. 

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

  53. // CHECK:STDOUT:     .Derived = %Derived.decl
    54. 

  54. // CHECK:STDOUT:     .Make = %Make
    55. 

  55. // CHECK:STDOUT:     .Access = %Access
    56. 

  56. // CHECK:STDOUT:   }
    57. 

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

  58. // CHECK:STDOUT:   %Base.decl: type = class_decl @Base [template = constants.%Base] {}
    59. 

  59. // CHECK:STDOUT:   %Derived.decl: type = class_decl @Derived [template = constants.%Derived] {}
    60. 

  60. // CHECK:STDOUT:   %Make: <function> = fn_decl @Make [template] {
    61. 

  61. // CHECK:STDOUT:     %Derived.ref.loc17: type = name_ref Derived, %Derived.decl [template = constants.%Derived]
    62. 

  62. // CHECK:STDOUT:     @Make.%return: ref Derived = var <return slot>
    63. 

  63. // CHECK:STDOUT:   }
    64. 

  64. // CHECK:STDOUT:   %Access: <function> = fn_decl @Access [template] {
    65. 

  65. // CHECK:STDOUT:     %Derived.ref.loc21: type = name_ref Derived, %Derived.decl [template = constants.%Derived]
    66. 

  66. // CHECK:STDOUT:     %d.loc21_11.1: Derived = param d
    67. 

  67. // CHECK:STDOUT:     @Access.%d: Derived = bind_name d, %d.loc21_11.1
    68. 

  68. // CHECK:STDOUT:     %.loc21_35.1: (type, type) = tuple_literal (i32, i32)
    69. 

  69. // CHECK:STDOUT:     %.loc21_35.2: type = converted %.loc21_35.1, constants.%.16 [template = constants.%.16]
    70. 

  70. // CHECK:STDOUT:     @Access.%return: ref (i32, i32) = var <return slot>
    71. 

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT: }
    73. 

  73. // CHECK:STDOUT:
    74. 

  74. // CHECK:STDOUT: class @Base {
    75. 

  75. // CHECK:STDOUT:   %.loc8: <unbound element of class Base> = field_decl b, element0 [template]
    76. 

  76. // CHECK:STDOUT:
    77. 

  77. // CHECK:STDOUT: !members:
    78. 

  78. // CHECK:STDOUT:   .Self = constants.%Base
    79. 

  79. // CHECK:STDOUT:   .b = %.loc8
    80. 

  80. // CHECK:STDOUT: }
    81. 

  81. // CHECK:STDOUT:
    82. 

  82. // CHECK:STDOUT: class @Derived {
    83. 

  83. // CHECK:STDOUT:   %Base.ref: type = name_ref Base, file.%Base.decl [template = constants.%Base]
    84. 

  84. // CHECK:STDOUT:   %.loc12: <unbound element of class Derived> = base_decl Base, element0 [template]
    85. 

  85. // CHECK:STDOUT:   %.loc14: <unbound element of class Derived> = field_decl d, element1 [template]
    86. 

  86. // CHECK:STDOUT:
    87. 

  87. // CHECK:STDOUT: !members:
    88. 

  88. // CHECK:STDOUT:   .Self = constants.%Derived
    89. 

  89. // CHECK:STDOUT:   .base = %.loc12
    90. 

  90. // CHECK:STDOUT:   .d = %.loc14
    91. 

  91. // CHECK:STDOUT:   extend name_scope2
    92. 

  92. // CHECK:STDOUT: }
    93. 

  93. // CHECK:STDOUT:
    94. 

  94. // CHECK:STDOUT: fn @Make() -> %return: Derived {
    95. 

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

  96. // CHECK:STDOUT:   %.loc18_25: i32 = int_literal 4 [template = constants.%.10]
    97. 

  97. // CHECK:STDOUT:   %.loc18_26.1: {.b: i32} = struct_literal (%.loc18_25)
    98. 

  98. // CHECK:STDOUT:   %.loc18_34: i32 = int_literal 7 [template = constants.%.11]
    99. 

  99. // CHECK:STDOUT:   %.loc18_35.1: {.base: {.b: i32}, .d: i32} = struct_literal (%.loc18_26.1, %.loc18_34)
    100. 

  100. // CHECK:STDOUT:   %.loc18_35.2: ref Base = class_element_access %return, element0
    101. 

  101. // CHECK:STDOUT:   %.loc18_26.2: ref i32 = class_element_access %.loc18_35.2, element0
    102. 

  102. // CHECK:STDOUT:   %.loc18_26.3: init i32 = initialize_from %.loc18_25 to %.loc18_26.2 [template = constants.%.10]
    103. 

  103. // CHECK:STDOUT:   %.loc18_26.4: init Base = class_init (%.loc18_26.3), %.loc18_35.2 [template = constants.%.13]
    104. 

  104. // CHECK:STDOUT:   %.loc18_26.5: init Base = converted %.loc18_26.1, %.loc18_26.4 [template = constants.%.13]
    105. 

  105. // CHECK:STDOUT:   %.loc18_35.3: ref i32 = class_element_access %return, element1
    106. 

  106. // CHECK:STDOUT:   %.loc18_35.4: init i32 = initialize_from %.loc18_34 to %.loc18_35.3 [template = constants.%.11]
    107. 

  107. // CHECK:STDOUT:   %.loc18_35.5: init Derived = class_init (%.loc18_26.5, %.loc18_35.4), %return [template = constants.%.14]
    108. 

  108. // CHECK:STDOUT:   %.loc18_35.6: init Derived = converted %.loc18_35.1, %.loc18_35.5 [template = constants.%.14]
    109. 

  109. // CHECK:STDOUT:   return %.loc18_35.6
    110. 

  110. // CHECK:STDOUT: }
    111. 

  111. // CHECK:STDOUT:
    112. 

  112. // CHECK:STDOUT: fn @Access(%d: Derived) -> %return: (i32, i32) {
    113. 

  113. // CHECK:STDOUT: !entry:
    114. 

  114. // CHECK:STDOUT:   %d.ref.loc22_11: Derived = name_ref d, %d
    115. 

  115. // CHECK:STDOUT:   %d.ref.loc22_12: <unbound element of class Derived> = name_ref d, @Derived.%.loc14 [template = @Derived.%.loc14]
    116. 

  116. // CHECK:STDOUT:   %.loc22_12.1: ref i32 = class_element_access %d.ref.loc22_11, element1
    117. 

  117. // CHECK:STDOUT:   %.loc22_12.2: i32 = bind_value %.loc22_12.1
    118. 

  118. // CHECK:STDOUT:   %d.ref.loc22_16: Derived = name_ref d, %d
    119. 

  119. // CHECK:STDOUT:   %base.ref: <unbound element of class Derived> = name_ref base, @Derived.%.loc12 [template = @Derived.%.loc12]
    120. 

  120. // CHECK:STDOUT:   %.loc22_17.1: ref Base = class_element_access %d.ref.loc22_16, element0
    121. 

  121. // CHECK:STDOUT:   %.loc22_17.2: Base = bind_value %.loc22_17.1
    122. 

  122. // CHECK:STDOUT:   %b.ref: <unbound element of class Base> = name_ref b, @Base.%.loc8 [template = @Base.%.loc8]
    123. 

  123. // CHECK:STDOUT:   %.loc22_22.1: ref i32 = class_element_access %.loc22_17.2, element0
    124. 

  124. // CHECK:STDOUT:   %.loc22_22.2: i32 = bind_value %.loc22_22.1
    125. 

  125. // CHECK:STDOUT:   %.loc22_24.1: (i32, i32) = tuple_literal (%.loc22_12.2, %.loc22_22.2)
    126. 

  126. // CHECK:STDOUT:   %.loc22_24.2: ref i32 = tuple_access %return, element0
    127. 

  127. // CHECK:STDOUT:   %.loc22_24.3: init i32 = initialize_from %.loc22_12.2 to %.loc22_24.2
    128. 

  128. // CHECK:STDOUT:   %.loc22_24.4: ref i32 = tuple_access %return, element1
    129. 

  129. // CHECK:STDOUT:   %.loc22_24.5: init i32 = initialize_from %.loc22_22.2 to %.loc22_24.4
    130. 

  130. // CHECK:STDOUT:   %.loc22_24.6: init (i32, i32) = tuple_init (%.loc22_24.3, %.loc22_24.5) to %return
    131. 

  131. // CHECK:STDOUT:   %.loc22_24.7: init (i32, i32) = converted %.loc22_24.1, %.loc22_24.6
    132. 

  132. // CHECK:STDOUT:   return %.loc22_24.7
    133. 

  133. // CHECK:STDOUT: }
    134. 

  134. // CHECK:STDOUT:
    135.