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field_access.carbon

field_access.carbon 9.0 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/class/field_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/class/field_access.carbon
    10. 

  10. 

  11. class Class {
    12. 

  12.   var j: i32;
    13. 

  13.   var k: i32;
    14. 

  14. }
    15. 

  15. 

  16. fn Run() {
    17. 

  17.   var c: Class;
    18. 

  18.   c.j = 1;
    19. 

  19.   c.k = 2;
    20. 

  20.   var cj: i32 = c.j;
    21. 

  21.   var ck: i32 = c.k;
    22. 

  22. }
    23. 

  23. 

  24. // CHECK:STDOUT: --- field_access.carbon
    25. 

  25. // CHECK:STDOUT:
    26. 

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

  27. // CHECK:STDOUT:   %Class: type = class_type @Class [template]
    28. 

  28. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [template]
    29. 

  29. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [template]
    30. 

  30. // CHECK:STDOUT:   %Class.elem: type = unbound_element_type %Class, %i32 [template]
    31. 

  31. // CHECK:STDOUT:   %struct_type.j.k: type = struct_type {.j: %i32, .k: %i32} [template]
    32. 

  32. // CHECK:STDOUT:   %complete_type.cf7: <witness> = complete_type_witness %struct_type.j.k [template]
    33. 

  33. // CHECK:STDOUT:   %Run.type: type = fn_type @Run [template]
    34. 

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

  35. // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [template]
    36. 

  36. // CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [template]
    37. 

  37. // CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
    38. 

  38. // CHECK:STDOUT:   %impl_witness.d39: <witness> = impl_witness (imports.%Core.import_ref.a5b), @impl.1(%int_32) [template]
    39. 

  39. // CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.1(%int_32) [template]
    40. 

  40. // CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [template]
    41. 

  41. // CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, %impl_witness.d39 [template]
    42. 

  42. // CHECK:STDOUT:   %.a0b: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [template]
    43. 

  43. // CHECK:STDOUT:   %Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Convert.956 [template]
    44. 

  44. // CHECK:STDOUT:   %Convert.specific_fn.70c: <specific function> = specific_function %Convert.bound.ab5, @Convert.2(%int_32) [template]
    45. 

  45. // CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [template]
    46. 

  46. // CHECK:STDOUT:   %int_2.ecc: Core.IntLiteral = int_value 2 [template]
    47. 

  47. // CHECK:STDOUT:   %Convert.bound.ef9: <bound method> = bound_method %int_2.ecc, %Convert.956 [template]
    48. 

  48. // CHECK:STDOUT:   %Convert.specific_fn.787: <specific function> = specific_function %Convert.bound.ef9, @Convert.2(%int_32) [template]
    49. 

  49. // CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [template]
    50. 

  50. // CHECK:STDOUT: }
    51. 

  51. // CHECK:STDOUT:
    52. 

  52. // CHECK:STDOUT: imports {
    53. 

  53. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    54. 

  54. // CHECK:STDOUT:     .Int = %Core.Int
    55. 

  55. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    56. 

  56. // CHECK:STDOUT:     import Core//prelude
    57. 

  57. // CHECK:STDOUT:     import Core//prelude/...
    58. 

  58. // CHECK:STDOUT:   }
    59. 

  59. // CHECK:STDOUT: }
    60. 

  60. // CHECK:STDOUT:
    61. 

  61. // CHECK:STDOUT: file {
    62. 

  62. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    63. 

  63. // CHECK:STDOUT:     .Core = imports.%Core
    64. 

  64. // CHECK:STDOUT:     .Class = %Class.decl
    65. 

  65. // CHECK:STDOUT:     .Run = %Run.decl
    66. 

  66. // CHECK:STDOUT:   }
    67. 

  67. // CHECK:STDOUT:   %Core.import = import Core
    68. 

  68. // CHECK:STDOUT:   %Class.decl: type = class_decl @Class [template = constants.%Class] {} {}
    69. 

  69. // CHECK:STDOUT:   %Run.decl: %Run.type = fn_decl @Run [template = constants.%Run] {} {}
    70. 

  70. // CHECK:STDOUT: }
    71. 

  71. // CHECK:STDOUT:
    72. 

  72. // CHECK:STDOUT: class @Class {
    73. 

  73. // CHECK:STDOUT:   %.loc12_8: %Class.elem = field_decl j, element0 [template]
    74. 

  74. // CHECK:STDOUT:   name_binding_decl {
    75. 

  75. // CHECK:STDOUT:     %.loc12_3: %Class.elem = var_pattern %.loc12_8
    76. 

  76. // CHECK:STDOUT:   }
    77. 

  77. // CHECK:STDOUT:   %.var.loc12: ref %Class.elem = var <none>
    78. 

  78. // CHECK:STDOUT:   %.loc13_8: %Class.elem = field_decl k, element1 [template]
    79. 

  79. // CHECK:STDOUT:   name_binding_decl {
    80. 

  80. // CHECK:STDOUT:     %.loc13_3: %Class.elem = var_pattern %.loc13_8
    81. 

  81. // CHECK:STDOUT:   }
    82. 

  82. // CHECK:STDOUT:   %.var.loc13: ref %Class.elem = var <none>
    83. 

  83. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.j.k [template = constants.%complete_type.cf7]
    84. 

  84. // CHECK:STDOUT:   complete_type_witness = %complete_type
    85. 

  85. // CHECK:STDOUT:
    86. 

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

  87. // CHECK:STDOUT:   .Self = constants.%Class
    88. 

  88. // CHECK:STDOUT:   .j = %.loc12_8
    89. 

  89. // CHECK:STDOUT:   .k = %.loc13_8
    90. 

  90. // CHECK:STDOUT: }
    91. 

  91. // CHECK:STDOUT:
    92. 

  92. // CHECK:STDOUT: fn @Run() {
    93. 

  93. // CHECK:STDOUT: !entry:
    94. 

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

  95. // CHECK:STDOUT:     %c.patt: %Class = binding_pattern c
    96. 

  96. // CHECK:STDOUT:     %.loc17: %Class = var_pattern %c.patt
    97. 

  97. // CHECK:STDOUT:   }
    98. 

  98. // CHECK:STDOUT:   %c.var: ref %Class = var c
    99. 

  99. // CHECK:STDOUT:   %Class.ref: type = name_ref Class, file.%Class.decl [template = constants.%Class]
    100. 

  100. // CHECK:STDOUT:   %c: ref %Class = bind_name c, %c.var
    101. 

  101. // CHECK:STDOUT:   %c.ref.loc18: ref %Class = name_ref c, %c
    102. 

  102. // CHECK:STDOUT:   %j.ref.loc18: %Class.elem = name_ref j, @Class.%.loc12_8 [template = @Class.%.loc12_8]
    103. 

  103. // CHECK:STDOUT:   %.loc18_4: ref %i32 = class_element_access %c.ref.loc18, element0
    104. 

  104. // CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
    105. 

  105. // CHECK:STDOUT:   %impl.elem0.loc18: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
    106. 

  106. // CHECK:STDOUT:   %bound_method.loc18: <bound method> = bound_method %int_1, %impl.elem0.loc18 [template = constants.%Convert.bound.ab5]
    107. 

  107. // CHECK:STDOUT:   %specific_fn.loc18: <specific function> = specific_function %bound_method.loc18, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.70c]
    108. 

  108. // CHECK:STDOUT:   %int.convert_checked.loc18: init %i32 = call %specific_fn.loc18(%int_1) [template = constants.%int_1.5d2]
    109. 

  109. // CHECK:STDOUT:   %.loc18_7: init %i32 = converted %int_1, %int.convert_checked.loc18 [template = constants.%int_1.5d2]
    110. 

  110. // CHECK:STDOUT:   assign %.loc18_4, %.loc18_7
    111. 

  111. // CHECK:STDOUT:   %c.ref.loc19: ref %Class = name_ref c, %c
    112. 

  112. // CHECK:STDOUT:   %k.ref.loc19: %Class.elem = name_ref k, @Class.%.loc13_8 [template = @Class.%.loc13_8]
    113. 

  113. // CHECK:STDOUT:   %.loc19_4: ref %i32 = class_element_access %c.ref.loc19, element1
    114. 

  114. // CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [template = constants.%int_2.ecc]
    115. 

  115. // CHECK:STDOUT:   %impl.elem0.loc19: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
    116. 

  116. // CHECK:STDOUT:   %bound_method.loc19: <bound method> = bound_method %int_2, %impl.elem0.loc19 [template = constants.%Convert.bound.ef9]
    117. 

  117. // CHECK:STDOUT:   %specific_fn.loc19: <specific function> = specific_function %bound_method.loc19, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.787]
    118. 

  118. // CHECK:STDOUT:   %int.convert_checked.loc19: init %i32 = call %specific_fn.loc19(%int_2) [template = constants.%int_2.ef8]
    119. 

  119. // CHECK:STDOUT:   %.loc19_7: init %i32 = converted %int_2, %int.convert_checked.loc19 [template = constants.%int_2.ef8]
    120. 

  120. // CHECK:STDOUT:   assign %.loc19_4, %.loc19_7
    121. 

  121. // CHECK:STDOUT:   name_binding_decl {
    122. 

  122. // CHECK:STDOUT:     %cj.patt: %i32 = binding_pattern cj
    123. 

  123. // CHECK:STDOUT:     %.loc20_3: %i32 = var_pattern %cj.patt
    124. 

  124. // CHECK:STDOUT:   }
    125. 

  125. // CHECK:STDOUT:   %cj.var: ref %i32 = var cj
    126. 

  126. // CHECK:STDOUT:   %c.ref.loc20: ref %Class = name_ref c, %c
    127. 

  127. // CHECK:STDOUT:   %j.ref.loc20: %Class.elem = name_ref j, @Class.%.loc12_8 [template = @Class.%.loc12_8]
    128. 

  128. // CHECK:STDOUT:   %.loc20_18.1: ref %i32 = class_element_access %c.ref.loc20, element0
    129. 

  129. // CHECK:STDOUT:   %.loc20_18.2: %i32 = bind_value %.loc20_18.1
    130. 

  130. // CHECK:STDOUT:   assign %cj.var, %.loc20_18.2
    131. 

  131. // CHECK:STDOUT:   %.loc20_11: type = splice_block %i32.loc20 [template = constants.%i32] {
    132. 

  132. // CHECK:STDOUT:     %int_32.loc20: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    133. 

  133. // CHECK:STDOUT:     %i32.loc20: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    134. 

  134. // CHECK:STDOUT:   }
    135. 

  135. // CHECK:STDOUT:   %cj: ref %i32 = bind_name cj, %cj.var
    136. 

  136. // CHECK:STDOUT:   name_binding_decl {
    137. 

  137. // CHECK:STDOUT:     %ck.patt: %i32 = binding_pattern ck
    138. 

  138. // CHECK:STDOUT:     %.loc21_3: %i32 = var_pattern %ck.patt
    139. 

  139. // CHECK:STDOUT:   }
    140. 

  140. // CHECK:STDOUT:   %ck.var: ref %i32 = var ck
    141. 

  141. // CHECK:STDOUT:   %c.ref.loc21: ref %Class = name_ref c, %c
    142. 

  142. // CHECK:STDOUT:   %k.ref.loc21: %Class.elem = name_ref k, @Class.%.loc13_8 [template = @Class.%.loc13_8]
    143. 

  143. // CHECK:STDOUT:   %.loc21_18.1: ref %i32 = class_element_access %c.ref.loc21, element1
    144. 

  144. // CHECK:STDOUT:   %.loc21_18.2: %i32 = bind_value %.loc21_18.1
    145. 

  145. // CHECK:STDOUT:   assign %ck.var, %.loc21_18.2
    146. 

  146. // CHECK:STDOUT:   %.loc21_11: type = splice_block %i32.loc21 [template = constants.%i32] {
    147. 

  147. // CHECK:STDOUT:     %int_32.loc21: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    148. 

  148. // CHECK:STDOUT:     %i32.loc21: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    149. 

  149. // CHECK:STDOUT:   }
    150. 

  150. // CHECK:STDOUT:   %ck: ref %i32 = bind_name ck, %ck.var
    151. 

  151. // CHECK:STDOUT:   return
    152. 

  152. // CHECK:STDOUT: }
    153. 

  153. // CHECK:STDOUT:
    154.