//! We do this instead of @cImport because the self-hosted compiler is easier
//! to bootstrap if it does not depend on translate-c.

/// Do not compare directly to .True, use toBool() instead.
pub const Bool = enum(c_int) {
    False,
    True,
    _,

    pub fn fromBool(b: bool) Bool {
        return @as(Bool, @enumFromInt(@intFromBool(b)));
    }

    pub fn toBool(b: Bool) bool {
        return b != .False;
    }
};

pub const MemoryBuffer = opaque {
    pub const createMemoryBufferWithMemoryRange = LLVMCreateMemoryBufferWithMemoryRange;
    pub const dispose = LLVMDisposeMemoryBuffer;

    extern fn LLVMCreateMemoryBufferWithMemoryRange(InputData: [*]const u8, InputDataLength: usize, BufferName: ?[*:0]const u8, RequiresNullTerminator: Bool) *MemoryBuffer;
    extern fn LLVMDisposeMemoryBuffer(MemBuf: *MemoryBuffer) void;
};

/// Make sure to use the *InContext functions instead of the global ones.
pub const Context = opaque {
    pub const create = LLVMContextCreate;
    extern fn LLVMContextCreate() *Context;

    pub const dispose = LLVMContextDispose;
    extern fn LLVMContextDispose(C: *Context) void;

    pub const parseBitcodeInContext2 = LLVMParseBitcodeInContext2;
    extern fn LLVMParseBitcodeInContext2(C: *Context, MemBuf: *MemoryBuffer, OutModule: **Module) Bool;

    pub const setOptBisectLimit = ZigLLVMSetOptBisectLimit;
    extern fn ZigLLVMSetOptBisectLimit(C: *Context, limit: c_int) void;

    pub const enableBrokenDebugInfoCheck = ZigLLVMEnableBrokenDebugInfoCheck;
    extern fn ZigLLVMEnableBrokenDebugInfoCheck(C: *Context) void;

    pub const getBrokenDebugInfo = ZigLLVMGetBrokenDebugInfo;
    extern fn ZigLLVMGetBrokenDebugInfo(C: *Context) bool;

    pub const intType = LLVMIntTypeInContext;
    extern fn LLVMIntTypeInContext(C: *Context, NumBits: c_uint) *Type;
};

pub const Module = opaque {
    pub const dispose = LLVMDisposeModule;
    extern fn LLVMDisposeModule(*Module) void;
};

pub const disposeMessage = LLVMDisposeMessage;
extern fn LLVMDisposeMessage(Message: [*:0]const u8) void;

pub const TargetMachine = opaque {
    pub const FloatABI = enum(c_int) {
        /// Target-specific (either soft or hard depending on triple, etc).
        Default,
        /// Soft float.
        Soft,
        // Hard float.
        Hard,
    };

    pub const create = ZigLLVMCreateTargetMachine;
    extern fn ZigLLVMCreateTargetMachine(
        T: *Target,
        Triple: [*:0]const u8,
        CPU: ?[*:0]const u8,
        Features: ?[*:0]const u8,
        Level: CodeGenOptLevel,
        Reloc: RelocMode,
        CodeModel: CodeModel,
        function_sections: bool,
        data_sections: bool,
        float_abi: FloatABI,
        abi_name: ?[*:0]const u8,
    ) *TargetMachine;

    pub const dispose = LLVMDisposeTargetMachine;
    extern fn LLVMDisposeTargetMachine(T: *TargetMachine) void;

    pub const EmitOptions = extern struct {
        is_debug: bool,
        is_small: bool,
        time_report: bool,
        tsan: bool,
        sancov: bool,
        lto: LtoPhase,
        allow_fast_isel: bool,
        asm_filename: ?[*:0]const u8,
        bin_filename: ?[*:0]const u8,
        llvm_ir_filename: ?[*:0]const u8,
        bitcode_filename: ?[*:0]const u8,
        coverage: Coverage,

        pub const LtoPhase = enum(c_int) {
            None,
            ThinPreLink,
            ThinPostLink,
            FullPreLink,
            FullPostLink,
        };

        pub const Coverage = extern struct {
            CoverageType: Coverage.Type,
            IndirectCalls: bool,
            TraceBB: bool,
            TraceCmp: bool,
            TraceDiv: bool,
            TraceGep: bool,
            Use8bitCounters: bool,
            TracePC: bool,
            TracePCGuard: bool,
            Inline8bitCounters: bool,
            InlineBoolFlag: bool,
            PCTable: bool,
            NoPrune: bool,
            StackDepth: bool,
            TraceLoads: bool,
            TraceStores: bool,
            CollectControlFlow: bool,

            pub const Type = enum(c_int) {
                None = 0,
                Function,
                BB,
                Edge,
            };
        };
    };

    pub const emitToFile = ZigLLVMTargetMachineEmitToFile;
    extern fn ZigLLVMTargetMachineEmitToFile(
        T: *TargetMachine,
        M: *Module,
        ErrorMessage: *[*:0]const u8,
        options: *const EmitOptions,
    ) bool;

    pub const createTargetDataLayout = LLVMCreateTargetDataLayout;
    extern fn LLVMCreateTargetDataLayout(*TargetMachine) *TargetData;
};

pub const TargetData = opaque {
    pub const dispose = LLVMDisposeTargetData;
    extern fn LLVMDisposeTargetData(*TargetData) void;

    pub const abiAlignmentOfType = LLVMABIAlignmentOfType;
    extern fn LLVMABIAlignmentOfType(TD: *TargetData, Ty: *Type) c_uint;
};

pub const Type = opaque {};

pub const CodeModel = enum(c_int) {
    Default,
    JITDefault,
    Tiny,
    Small,
    Kernel,
    Medium,
    Large,
};

pub const CodeGenOptLevel = enum(c_int) {
    None,
    Less,
    Default,
    Aggressive,
};

pub const RelocMode = enum(c_int) {
    Default,
    Static,
    PIC,
    DynamicNoPIC,
    ROPI,
    RWPI,
    ROPI_RWPI,
};

pub const Target = opaque {
    pub const getFromTriple = LLVMGetTargetFromTriple;
    extern fn LLVMGetTargetFromTriple(Triple: [*:0]const u8, T: **Target, ErrorMessage: *[*:0]const u8) Bool;
};

pub extern fn LLVMInitializeAArch64TargetInfo() void;
pub extern fn LLVMInitializeAMDGPUTargetInfo() void;
pub extern fn LLVMInitializeARMTargetInfo() void;
pub extern fn LLVMInitializeAVRTargetInfo() void;
pub extern fn LLVMInitializeBPFTargetInfo() void;
pub extern fn LLVMInitializeHexagonTargetInfo() void;
pub extern fn LLVMInitializeLanaiTargetInfo() void;
pub extern fn LLVMInitializeMipsTargetInfo() void;
pub extern fn LLVMInitializeMSP430TargetInfo() void;
pub extern fn LLVMInitializeNVPTXTargetInfo() void;
pub extern fn LLVMInitializePowerPCTargetInfo() void;
pub extern fn LLVMInitializeRISCVTargetInfo() void;
pub extern fn LLVMInitializeSparcTargetInfo() void;
pub extern fn LLVMInitializeSystemZTargetInfo() void;
pub extern fn LLVMInitializeWebAssemblyTargetInfo() void;
pub extern fn LLVMInitializeX86TargetInfo() void;
pub extern fn LLVMInitializeXCoreTargetInfo() void;
pub extern fn LLVMInitializeXtensaTargetInfo() void;
pub extern fn LLVMInitializeM68kTargetInfo() void;
pub extern fn LLVMInitializeCSKYTargetInfo() void;
pub extern fn LLVMInitializeVETargetInfo() void;
pub extern fn LLVMInitializeARCTargetInfo() void;
pub extern fn LLVMInitializeLoongArchTargetInfo() void;

pub extern fn LLVMInitializeAArch64Target() void;
pub extern fn LLVMInitializeAMDGPUTarget() void;
pub extern fn LLVMInitializeARMTarget() void;
pub extern fn LLVMInitializeAVRTarget() void;
pub extern fn LLVMInitializeBPFTarget() void;
pub extern fn LLVMInitializeHexagonTarget() void;
pub extern fn LLVMInitializeLanaiTarget() void;
pub extern fn LLVMInitializeMipsTarget() void;
pub extern fn LLVMInitializeMSP430Target() void;
pub extern fn LLVMInitializeNVPTXTarget() void;
pub extern fn LLVMInitializePowerPCTarget() void;
pub extern fn LLVMInitializeRISCVTarget() void;
pub extern fn LLVMInitializeSparcTarget() void;
pub extern fn LLVMInitializeSystemZTarget() void;
pub extern fn LLVMInitializeWebAssemblyTarget() void;
pub extern fn LLVMInitializeX86Target() void;
pub extern fn LLVMInitializeXCoreTarget() void;
pub extern fn LLVMInitializeXtensaTarget() void;
pub extern fn LLVMInitializeM68kTarget() void;
pub extern fn LLVMInitializeVETarget() void;
pub extern fn LLVMInitializeCSKYTarget() void;
pub extern fn LLVMInitializeARCTarget() void;
pub extern fn LLVMInitializeLoongArchTarget() void;

pub extern fn LLVMInitializeAArch64TargetMC() void;
pub extern fn LLVMInitializeAMDGPUTargetMC() void;
pub extern fn LLVMInitializeARMTargetMC() void;
pub extern fn LLVMInitializeAVRTargetMC() void;
pub extern fn LLVMInitializeBPFTargetMC() void;
pub extern fn LLVMInitializeHexagonTargetMC() void;
pub extern fn LLVMInitializeLanaiTargetMC() void;
pub extern fn LLVMInitializeMipsTargetMC() void;
pub extern fn LLVMInitializeMSP430TargetMC() void;
pub extern fn LLVMInitializeNVPTXTargetMC() void;
pub extern fn LLVMInitializePowerPCTargetMC() void;
pub extern fn LLVMInitializeRISCVTargetMC() void;
pub extern fn LLVMInitializeSparcTargetMC() void;
pub extern fn LLVMInitializeSystemZTargetMC() void;
pub extern fn LLVMInitializeWebAssemblyTargetMC() void;
pub extern fn LLVMInitializeX86TargetMC() void;
pub extern fn LLVMInitializeXCoreTargetMC() void;
pub extern fn LLVMInitializeXtensaTargetMC() void;
pub extern fn LLVMInitializeM68kTargetMC() void;
pub extern fn LLVMInitializeCSKYTargetMC() void;
pub extern fn LLVMInitializeVETargetMC() void;
pub extern fn LLVMInitializeARCTargetMC() void;
pub extern fn LLVMInitializeLoongArchTargetMC() void;

pub extern fn LLVMInitializeAArch64AsmPrinter() void;
pub extern fn LLVMInitializeAMDGPUAsmPrinter() void;
pub extern fn LLVMInitializeARMAsmPrinter() void;
pub extern fn LLVMInitializeAVRAsmPrinter() void;
pub extern fn LLVMInitializeBPFAsmPrinter() void;
pub extern fn LLVMInitializeHexagonAsmPrinter() void;
pub extern fn LLVMInitializeLanaiAsmPrinter() void;
pub extern fn LLVMInitializeMipsAsmPrinter() void;
pub extern fn LLVMInitializeMSP430AsmPrinter() void;
pub extern fn LLVMInitializeNVPTXAsmPrinter() void;
pub extern fn LLVMInitializePowerPCAsmPrinter() void;
pub extern fn LLVMInitializeRISCVAsmPrinter() void;
pub extern fn LLVMInitializeSparcAsmPrinter() void;
pub extern fn LLVMInitializeSystemZAsmPrinter() void;
pub extern fn LLVMInitializeWebAssemblyAsmPrinter() void;
pub extern fn LLVMInitializeX86AsmPrinter() void;
pub extern fn LLVMInitializeXCoreAsmPrinter() void;
pub extern fn LLVMInitializeM68kAsmPrinter() void;
pub extern fn LLVMInitializeVEAsmPrinter() void;
pub extern fn LLVMInitializeARCAsmPrinter() void;
pub extern fn LLVMInitializeLoongArchAsmPrinter() void;

pub extern fn LLVMInitializeAArch64AsmParser() void;
pub extern fn LLVMInitializeAMDGPUAsmParser() void;
pub extern fn LLVMInitializeARMAsmParser() void;
pub extern fn LLVMInitializeAVRAsmParser() void;
pub extern fn LLVMInitializeBPFAsmParser() void;
pub extern fn LLVMInitializeHexagonAsmParser() void;
pub extern fn LLVMInitializeLanaiAsmParser() void;
pub extern fn LLVMInitializeMipsAsmParser() void;
pub extern fn LLVMInitializeMSP430AsmParser() void;
pub extern fn LLVMInitializePowerPCAsmParser() void;
pub extern fn LLVMInitializeRISCVAsmParser() void;
pub extern fn LLVMInitializeSparcAsmParser() void;
pub extern fn LLVMInitializeSystemZAsmParser() void;
pub extern fn LLVMInitializeWebAssemblyAsmParser() void;
pub extern fn LLVMInitializeX86AsmParser() void;
pub extern fn LLVMInitializeXtensaAsmParser() void;
pub extern fn LLVMInitializeM68kAsmParser() void;
pub extern fn LLVMInitializeCSKYAsmParser() void;
pub extern fn LLVMInitializeVEAsmParser() void;
pub extern fn LLVMInitializeLoongArchAsmParser() void;

extern fn ZigLLDLinkCOFF(argc: c_int, argv: [*:null]const ?[*:0]const u8, can_exit_early: bool, disable_output: bool) bool;
extern fn ZigLLDLinkELF(argc: c_int, argv: [*:null]const ?[*:0]const u8, can_exit_early: bool, disable_output: bool) bool;
extern fn ZigLLDLinkWasm(argc: c_int, argv: [*:null]const ?[*:0]const u8, can_exit_early: bool, disable_output: bool) bool;

pub const LinkCOFF = ZigLLDLinkCOFF;
pub const LinkELF = ZigLLDLinkELF;
pub const LinkWasm = ZigLLDLinkWasm;

pub const ArchiveKind = enum(c_int) {
    GNU,
    GNU64,
    BSD,
    DARWIN,
    DARWIN64,
    COFF,
    AIXBIG,
};

pub const WriteArchive = ZigLLVMWriteArchive;
extern fn ZigLLVMWriteArchive(
    archive_name: [*:0]const u8,
    file_names_ptr: [*]const [*:0]const u8,
    file_names_len: usize,
    archive_kind: ArchiveKind,
) bool;

pub const ParseCommandLineOptions = ZigLLVMParseCommandLineOptions;
extern fn ZigLLVMParseCommandLineOptions(argc: usize, argv: [*]const [*:0]const u8) void;

pub const WriteImportLibrary = ZigLLVMWriteImportLibrary;
extern fn ZigLLVMWriteImportLibrary(
    def_path: [*:0]const u8,
    coff_machine: c_uint,
    output_lib_path: [*:0]const u8,
    kill_at: bool,
) bool;

pub const GetHostCPUName = LLVMGetHostCPUName;
extern fn LLVMGetHostCPUName() ?[*:0]u8;

pub const GetHostCPUFeatures = LLVMGetHostCPUFeatures;
extern fn LLVMGetHostCPUFeatures() ?[*:0]u8;
