clang/test/Misc/warning-flags-tree.c

   1 // RUN: diagtool tree --internal | FileCheck -strict-whitespace %s
   2 // RUN: diagtool tree --internal -Weverything | FileCheck -strict-whitespace %s
   3 // RUN: diagtool tree --internal everything | FileCheck -strict-whitespace %s
   4 //
   5 // These three ways of running diagtool tree are the same:
   6 // they produce a tree for every top-level diagnostic flag.
   7 // Just check a few to make sure we're actually showing more than one group.
   8 //
   9 // CHECK: -W
  10 // CHECK:   -Wextra
  11 // CHECK:     -Wmissing-field-initializers
  12 // CHECK:       warn_missing_field_initializers
  13 // CHECK: -Wall
  14 // CHECK:   -Wmost
  15
  16 // These flags are currently unimplemented; test that we output them anyway.
  17 // CHECK: -Wstrict-aliasing
  18 // CHECK-NEXT: -Wstrict-aliasing=0
  19 // CHECK-NEXT: -Wstrict-aliasing=1
  20 // CHECK-NEXT: -Wstrict-aliasing=2
  21 // CHECK: -Wstrict-overflow
  22 // CHECK-NEXT: -Wstrict-overflow=0
  23 // CHECK-NEXT: -Wstrict-overflow=1
  24 // CHECK-NEXT: -Wstrict-overflow=2
  25 // CHECK-NEXT: -Wstrict-overflow=3
  26 // CHECK-NEXT: -Wstrict-overflow=4
  27 // CHECK-NEXT: -Wstrict-overflow=5
  28
  29
  30 // RUN: not diagtool tree -Wthis-is-not-a-valid-flag
  31
  32 // RUN: diagtool tree --internal -Wgnu | FileCheck -strict-whitespace -check-prefix CHECK-GNU %s
  33 // CHECK-GNU: -Wgnu
  34 // CHECK-GNU:   -Wgnu-designator
  35 // CHECK-GNU:     ext_gnu_array_range
  36 // CHECK-GNU:     ext_gnu_missing_equal_designator
  37 // CHECK-GNU:     ext_gnu_old_style_field_designator
  38 // CHECK-GNU:   -Wvla-extension
  39 // CHECK-GNU:     ext_vla
  40 // There are more GNU extensions but we don't need to check them all.
  41
  42 // RUN: diagtool tree -Wgnu | FileCheck -check-prefix CHECK-FLAGS-ONLY %s
  43 // CHECK-FLAGS-ONLY: -Wgnu
  44 // CHECK-FLAGS-ONLY:   -Wgnu-designator
  45 // CHECK-FLAGS-ONLY-NOT:     ext_gnu_array_range
  46 // CHECK-FLAGS-ONLY-NOT:     ext_gnu_missing_equal_designator
  47 // CHECK-FLAGS-ONLY-NOT:     ext_gnu_old_style_field_designator
  48 // CHECK-FLAGS-ONLY:   -Wvla
  49 // CHECK-FLAGS-ONLY-NOT:     ext_vla
  50 // CHECK-FLAGS-ONLY-NOT:   ext_array_init_copy
  51 // CHECK-FLAGS-ONLY-NOT:   ext_empty_struct_union
  52 // CHECK-FLAGS-ONLY-NOT:   ext_expr_not_ice