bun_sm 0.1.0

SpiderMonkey-backed API compatibility layer replacing bun_jsc
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// @trace REQ-ENG-001
// Builtin name registry for SpiderMonkey.
// Provides interned names for built-in JS objects and constructors,
// matching servo's WebIDL-generated builtins.

/// Registry of built-in JS constructor and prototype names.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum BuiltinName {
    // ECMAScript builtins
    Object,
    Array,
    Function,
    String,
    Number,
    Boolean,
    Symbol,
    BigInt,
    Promise,
    Map,
    Set,
    WeakMap,
    WeakSet,
    Date,
    RegExp,
    Error,
    TypeError,
    RangeError,
    SyntaxError,
    ReferenceError,
    UriError,
    EvalError,
    ArrayBuffer,
    SharedArrayBuffer,
    DataView,
    Int8Array,
    Uint8Array,
    Uint8ClampedArray,
    Int16Array,
    Uint16Array,
    Int32Array,
    Uint32Array,
    Float32Array,
    Float64Array,
    BigInt64Array,
    BigUint64Array,
    // Web API builtins
    Response,
    Request,
    Headers,
    URL,
    URLSearchParams,
    FormData,
    Blob,
    File,
    ReadableStream,
    WritableStream,
    TransformStream,
    AbortController,
    AbortSignal,
    Event,
    CustomEvent,
    MessageEvent,
    // Bun/Bao builtins
    Bun,
    Process,
    Buffer,
}

impl BuiltinName {
    /// Get the JS-visible name string for this builtin.
    pub fn as_str(&self) -> &'static str {
        match self {
            Self::Object => "Object",
            Self::Array => "Array",
            Self::Function => "Function",
            Self::String => "String",
            Self::Number => "Number",
            Self::Boolean => "Boolean",
            Self::Symbol => "Symbol",
            Self::BigInt => "BigInt",
            Self::Promise => "Promise",
            Self::Map => "Map",
            Self::Set => "Set",
            Self::WeakMap => "WeakMap",
            Self::WeakSet => "WeakSet",
            Self::Date => "Date",
            Self::RegExp => "RegExp",
            Self::Error => "Error",
            Self::TypeError => "TypeError",
            Self::RangeError => "RangeError",
            Self::SyntaxError => "SyntaxError",
            Self::ReferenceError => "ReferenceError",
            Self::UriError => "URIError",
            Self::EvalError => "EvalError",
            Self::ArrayBuffer => "ArrayBuffer",
            Self::SharedArrayBuffer => "SharedArrayBuffer",
            Self::DataView => "DataView",
            Self::Int8Array => "Int8Array",
            Self::Uint8Array => "Uint8Array",
            Self::Uint8ClampedArray => "Uint8ClampedArray",
            Self::Int16Array => "Int16Array",
            Self::Uint16Array => "Uint16Array",
            Self::Int32Array => "Int32Array",
            Self::Uint32Array => "Uint32Array",
            Self::Float32Array => "Float32Array",
            Self::Float64Array => "Float64Array",
            Self::BigInt64Array => "BigInt64Array",
            Self::BigUint64Array => "BigUint64Array",
            Self::Response => "Response",
            Self::Request => "Request",
            Self::Headers => "Headers",
            Self::URL => "URL",
            Self::URLSearchParams => "URLSearchParams",
            Self::FormData => "FormData",
            Self::Blob => "Blob",
            Self::File => "File",
            Self::ReadableStream => "ReadableStream",
            Self::WritableStream => "WritableStream",
            Self::TransformStream => "TransformStream",
            Self::AbortController => "AbortController",
            Self::AbortSignal => "AbortSignal",
            Self::Event => "Event",
            Self::CustomEvent => "CustomEvent",
            Self::MessageEvent => "MessageEvent",
            Self::Bun => "Bun",
            Self::Process => "process",
            Self::Buffer => "Buffer",
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn builtin_name_as_str() {
        assert_eq!(BuiltinName::Object.as_str(), "Object");
        assert_eq!(BuiltinName::Promise.as_str(), "Promise");
        assert_eq!(BuiltinName::Response.as_str(), "Response");
        assert_eq!(BuiltinName::Bun.as_str(), "Bun");
        assert_eq!(BuiltinName::Process.as_str(), "process");
    }

    #[test]
    fn builtin_name_equality() {
        assert_eq!(BuiltinName::Array, BuiltinName::Array);
        assert_ne!(BuiltinName::Array, BuiltinName::Object);
    }
}