Compiler projects using llvm
// RUN: rm -rf %t
// RUN: split-file %s %t
// RUN: sed -e "s@INPUT_DIR@%{/t:regex_replacement}@g" \
// RUN: %t/reference.output.json.in >> %t/reference.output.json
// RUN: %clang -extract-api --product-name=GlobalRecord -target arm64-apple-macosx \
// RUN: %t/input1.h %t/input2.h %t/input3.h -o %t/output.json | FileCheck -allow-empty %s

// Generator version is not consistent across test runs, normalize it.
// RUN: sed -e "s@\"generator\": \".*\"@\"generator\": \"?\"@g" \
// RUN: %t/output.json >> %t/output-normalized.json
// RUN: diff %t/reference.output.json %t/output-normalized.json

// CHECK-NOT: error:
// CHECK-NOT: warning:

//--- input1.h
int num;

//--- input2.h
/**
 * \brief Add two numbers.
 * \param [in]  x   A number.
 * \param [in]  y   Another number.
 * \param [out] res The result of x + y.
 */
void add(const int x, const int y, int *res);

//--- input3.h
char unavailable __attribute__((unavailable));

//--- reference.output.json.in
{
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    "formatVersion": {
      "major": 0,
      "minor": 5,
      "patch": 3
    },
    "generator": "?"
  },
  "module": {
    "name": "GlobalRecord",
    "platform": {
      "architecture": "arm64",
      "operatingSystem": {
        "minimumVersion": {
          "major": 11,
          "minor": 0,
          "patch": 0
        },
        "name": "macosx"
      },
      "vendor": "apple"
    }
  },
  "relationships": [],
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        },
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          "kind": "text",
          "spelling": " "
        },
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          "kind": "identifier",
          "spelling": "num"
        }
      ],
      "identifier": {
        "interfaceLanguage": "c",
        "precise": "c:@num"
      },
      "kind": {
        "displayName": "Global Variable",
        "identifier": "c.var"
      },
      "location": {
        "position": {
          "character": 5,
          "line": 1
        },
        "uri": "file://INPUT_DIR/input1.h"
      },
      "names": {
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            "kind": "identifier",
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          }
        ],
        "subHeading": [
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      "docComment": {
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              "end": {
                "character": 4,
                "line": 1
              },
              "start": {
                "character": 4,
                "line": 1
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            "text": ""
          },
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                "character": 27,
                "line": 2
              },
              "start": {
                "character": 3,
                "line": 2
              }
            },
            "text": " \\brief Add two numbers."
          },
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                "character": 30,
                "line": 3
              },
              "start": {
                "character": 3,
                "line": 3
              }
            },
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          {
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              "end": {
                "character": 36,
                "line": 4
              },
              "start": {
                "character": 3,
                "line": 4
              }
            },
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          },
          {
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              "end": {
                "character": 41,
                "line": 5
              },
              "start": {
                "character": 3,
                "line": 5
              }
            },
            "text": " \\param [out] res The result of x + y."
          },
          {
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              "end": {
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                "line": 6
              },
              "start": {
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                "line": 6
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}