Method pushValue

src/thread.ts:187–237

(rawValue: unknown, userdata?: unknown)

    }

    public pushValue(rawValue: unknown, userdata?: unknown): void {
        const decoratedValue = this.getValueDecorations(rawValue)
        const target = decoratedValue.target

        if (target instanceof Thread) {
            const isMain = this.lua.lua_pushthread(target.address) === 1
            if (!isMain) {
                this.lua.lua_xmove(target.address, this.address, 1)
            }
            return
        }

        const startTop = this.getTop()

        // Handle primitive types
        switch (typeof target) {
            case 'undefined':
                this.lua.lua_pushnil(this.address)
                break
            case 'number':
                if (Number.isInteger(target)) {
                    this.lua.lua_pushinteger(this.address, BigInt(target))
                } else {
                    this.lua.lua_pushnumber(this.address, target)
                }
                break
            case 'string':
                this.lua.lua_pushstring(this.address, target)
                break
            case 'boolean':
                this.lua.lua_pushboolean(this.address, target ? 1 : 0)
                break
            default:
                if (this.typeExtensions.find((wrapper) => wrapper.extension.pushValue(this, decoratedValue, userdata))) {
                    break
                }
                if (target === null) {
                    this.lua.lua_pushnil(this.address)
                    break
                }
                throw new Error(`The type '${typeof target}' is not supported by Lua`)
        }

        if (decoratedValue.options.metatable) {
            this.setMetatable(-1, decoratedValue.options.metatable)
        }

        if (this.getTop() !== startTop + 1) {
            throw new Error(`pushValue expected stack size ${startTop + 1}, got ${this.getTop()}`)
        }
    }

    public setMetatable(index: number, metatable: Record<any, any>): void {
        index = this.lua.lua_absindex(this.address, index)