{
    "type": "object",
    "description": "DDS Toolchain Description File",
    "additionalProperties": false,
    "patternProperties": {
        "^\\$": {}
    },
    "$schema": "https://json-schema.org/draft/2019-09/schema",
    "definitions": {
        "command_line_flags": {
            "anyOf": [
                {
                    "type": "string",
                    "description": "Shell-style string of command-line arguments"
                },
                {
                    "type": "array",
                    "description": "An array of command-line arguments. Will be passed verbatim.",
                    "items": {
                        "type": "string",
                        "description": "A single command-line argument. Will be passed verbatim."
                    }
                }
            ]
        }
    },
    "properties": {
        "compiler_id": {
            "type": "string",
            "description": "The general compiler identification. This is one of a fixed set of values that DDS will use to infer most toolchain attributes.",
            "enum": [
                "msvc",
                "gnu",
                "clang"
            ]
        },
        "c_compiler": {
            "type": "string",
            "description": "Executable name or filepath for a C compiler",
            "examples": [
                "gcc",
                "clang-9",
                "cl.exe"
            ]
        },
        "cxx_compiler": {
            "type": "string",
            "description": "Executable name or filepath for a C++ compiler",
            "examples": [
                "g++",
                "clang++-9",
                "cl.exe"
            ]
        },
        "flags": {
            "description": "Pass additional compile flags, regardless of the source language",
            "$ref": "#/definitions/command_line_flags"
        },
        "c_flags": {
            "description": "Pass additional flags to the C compiler.",
            "$ref": "#/definitions/command_line_flags"
        },
        "cxx_flags": {
            "description": "Pass additional flags to the C++ compiler.",
            "$ref": "#/definitions/command_line_flags"
        },
        "c_version": {
            "description": "The C language version",
            "type": "string",
            "enum": [
                "c89",
                "c99",
                "c11",
                "c18",
                "gnu99",
                "gnu18"
            ]
        },
        "cxx_version": {
            "description": "The C++ language version",
            "type": "string",
            "enum": [
                "c++98",
                "c++03",
                "c++11",
                "c++14",
                "c++17",
                "c++20",
                "gnu++20"
            ]
        },
        "warning_flags": {
            "description": "Set the flags that will be passed to the compiler to enable/disable warnings",
            "$ref": "#/definitions/command_line_flags"
        },
        "link_flags": {
            "description": "Pass additional flags to the compiler when it is linking runtime binaries (executables)",
            "$ref": "#/definitions/command_line_flags"
        },
        "compiler_launcher": {
            "description": "Set a command-line prefix that will be prepended to all compiler invocations",
            "$ref": "#/definitions/command_line_flags"
        },
        "debug": {
            "description": "Tweak the generation of debug information",
            "default": true,
            "oneOf": [
                {
                    "type": "string",
                    "enum": [
                        "embedded",
                        "split"
                    ]
                },
                {
                    "type": "boolean"
                }
            ]
        },
        "optimize": {
            "description": "Optimize generated code",
            "type": "boolean",
            "default": true
        },
        "runtime": {
            "description": "Select the runtime/stdlib modes",
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "static": {
                    "type": "boolean",
                    "description": "If `true`, enable static stdlib/runtime linking"
                },
                "debug": {
                    "type": "boolean",
                    "description": "If 'true', enable debug for the stdlib/runtime"
                }
            }
        },
        "advanced": {
            "type": "object",
            "additionalProperties": false,
            "description": "Advanced toolchain options. All of these options will be inferred from `compiler_id` by default. Handle with care.",
            "properties": {
                "deps_mode": {
                    "type": "string",
                    "description": "Dependency tracking mode.",
                    "enum": [
                        "msvc",
                        "gnu",
                        "none"
                    ]
                },
                "include_template": {
                    "description": "Set the include-directory flags template",
                    "$ref": "#/definitions/command_line_flags"
                },
                "external_include_template": {
                    "description": "Set the external include-directory flags template",
                    "$ref": "#/definitions/command_line_flags"
                },
                "define_template": {
                    "description": "Set the preprocessor-definition flags template",
                    "$ref": "#/definitions/command_line_flags"
                },
                "base_warning_flags": {
                    "description": "Set the base warning flags for the toolchain. These are always prepended to `warning_flags`.",
                    "$ref": "#/definitions/command_line_flags"
                },
                "base_compile_flags": {
                    "description": "Set the base compile flags for the toolchain. These are always prepended to `flags`.",
                    "$ref": "#/definitions/command_line_flags"
                },
                "c_compile_file": {
                    "description": "Set the command template for compiling C source files",
                    "$ref": "#/definitions/command_line_flags"
                },
                "cxx_compile_file": {
                    "description": "Set the command template for compiling C++ source files",
                    "$ref": "#/definitions/command_line_flags"
                },
                "create_archive": {
                    "description": "Set the command template for generating static library archives",
                    "$ref": "#/definitions/command_line_flags"
                },
                "link_executable": {
                    "description": "Set the command template for linking executable binaries",
                    "$ref": "#/definitions/command_line_flags"
                },
                "tty_flags": {
                    "description": "Set command line flags that will be applied only if stdout is an ANSI-capable terminal",
                    "$ref": "#/definitions/command_line_flags"
                },
                "obj_prefix": {
                    "description": "Set the filename prefix for object files",
                    "type": "string"
                },
                "obj_suffix": {
                    "description": "Set the filename suffix for object files",
                    "type": "string"
                },
                "archive_prefix": {
                    "description": "Set the filename prefix for library archive files",
                    "type": "string"
                },
                "archive_suffix": {
                    "description": "Set the filename suffix for library archive files",
                    "type": "string"
                },
                "exe_prefix": {
                    "description": "Set the filename prefix for executable files",
                    "type": "string"
                },
                "exe_suffix": {
                    "description": "Set the filename suffix for executable files",
                    "type": "string"
                }
            }
        }
    }
}