{
  "$schema": "https://docs.oasis-open.org/sarif/sarif/v2.1.0/cos02/schemas/sarif-schema-2.1.0.json",
  "runs": [
    {
      "artifacts": [
        {
          "length": -1,
          "location": {
            "index": 0,
            "uri": "file:///[...]/sarif-legacy-stable-ids.c"
          },
          "mimeType": "text/plain",
          "roles": [
            "resultFile"
          ]
        }
      ],
      "columnKind": "unicodeCodePoints",
      "results": [
        {
          "level": "warning",
          "locations": [
            {
              "physicalLocation": {
                "artifactLocation": {
                  "index": 0,
                  "uri": "file:///[...]/sarif-legacy-stable-ids.c"
                },
                "region": {
                  "endColumn": 32,
                  "startColumn": 32,
                  "startLine": 8
                }
              }
            }
          ],
          "message": {
            "text": "AVR 'interrupt' attribute only applies to functions that have a 'void' return type"
          },
          "ruleId": "warn_interrupt_signal_attribute_invalid",
          "ruleIndex": 0
        }
      ],
      "tool": {
        "driver": {
          "fullName": "",
          "informationUri": "https://clang.llvm.org/docs/UsersManual.html",
          "language": "en-US",
          "name": "clang",
          "rules": [
            {
              "defaultConfiguration": {
                "enabled": true,
                "level": "warning",
                "rank": -1
              },
              "deprecatedIds": [
                "warn_interrupt_attribute_invalid"
              ],
              "fullDescription": {
                "text": ""
              },
              "id": "warn_interrupt_signal_attribute_invalid",
              "name": ""
            }
          ],
          "version": "[clang version]"
        }
      }
    }
  ],
  "version": "[SARIF version]"
}

1 warning generated.