{
  "description": "Schema for the list of Zircon syscalls",
  "type": "object",
  "properties": {
    "syscalls": {
      "description": "The Zircon syscall methods",
      "type": "array",
      "items": {
        "$ref": "#/definitions/syscall"
      }
    }
  },
  "required": [
    "syscalls"
  ],
  "additionalProperties": false,
  "definitions": {
    "syscall": {
      "description": "A syscall method",
      "type": "object",
      "properties": {
        "name": {
          "description": "The method name, which is a valid C identifier",
          "type": "string"
        },
        "attributes": {
          "description": "Metadata about the method",
          "type": "array",
          "items": {
            "$ref": "#/definitions/methodAttribute"
          }
        },
        "arguments": {
          "description": "The method's parameters",
          "type": "array",
          "items": {
            "$ref": "#/definitions/argument"
          }
        },
        "return_type": {
          "description": "Return type of the method",
          "$ref": "#/defintions/objectType"
        }
      },
      "required": [
        "name",
        "attributes",
        "arguments",
        "return_type"
      ],
      "additionalProperties": false
    },
    "methodAttribute": {
      "description": "A method attribute",
      "type": "string",
      "enum": [
        "blocking",
        "const",
        "deprecated",
        "internal",
        "noreturn",
        "test_category1",
        "test_category2",
        "vdsocall",
        "*"
      ]
    },
    "argument": {
      "description": "A method parameter",
      "type": "object",
      "properties": {
        "name": {
          "description": "The parameter's name",
          "type": "string"
        },
        "type": {
          "description": "The object type of this parameter",
          "$ref": "#/definitions/objectType"
        },
        "is_array": {
          "description": "Whether the parameter is an array of objects",
          "type": "boolean"
        },
        "array_multipliers": {
          "description": "For an array, the parameters to multiply in order to compute the array's size",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "array_count": {
          "description": "An array's size",
          "type": "integer"
        },
        "attributes": {
          "description": "Some metadata about the parameter",
          "type": "array",
          "items": {
            "$ref": "#/definitions/parameterAttribute"
          }
        }
      },
      "required": [
        "name",
        "type",
        "is_array",
        "attributes"
      ],
      "additionalProperties": false
    },
    "objectType": {
      "description": "An object's type",
      "type": "string",
      "enum": [
        "any",
        "bool",
        "char",
        "int",
        "int32_t",
        "int64_t",
        "size_t",
        "uint16_t",
        "uint32_t",
        "uint64_t",
        "uint8_t",
        "uintptr_t",
        "void",
        "zx_channel_call_args_t",
        "zx_duration_t",
        "zx_futex_t",
        "zx_handle_info_t",
        "zx_handle_t",
        "zx_paddr_t",
        "zx_pci_bar_t",
        "zx_pci_init_arg_t",
        "zx_pcie_device_info_t",
        "zx_port_packet_t",
        "zx_profile_info_t",
        "zx_rights_t",
        "zx_signals_t",
        "zx_status_t",
        "zx_system_powerctl_arg_t",
        "zx_time_t",
        "zx_vaddr_t",
        "zx_wait_item_t"
      ]
    },
    "parameterAttribute": {
      "description": "A parameter attribute",
      "type": "string",
      "enum": [
        "features",
        "handle_acquire",
        "handle_release",
        "handle_release_always",
        "optional",
        "IN",
        "INOUT",
        "OUT"
      ]
    }
  }
}