import "@std/mem"
import "@std/arraylist"
import "@source/ast"

Renderer :: struct {
    bytes arraylist.ArrayList(u8)
}

init proc(allocator mem.Allocator) Renderer {
    return Renderer{ bytes = arraylist.init(allocator) }
}

deinit proc(renderer @mut Renderer) void {
    arraylist.deinit(&renderer.bytes)
}

render proc(renderer @mut Renderer, tree @ast.Tree) void ! mem.AllocError {
    _ = tree
    arraylist.clear(&renderer.bytes)
    try append_text(renderer, "package\n")
}


@hide:file
append_text proc(renderer @mut Renderer, text []u8) void ! mem.AllocError {
    for (text) |byte| try arraylist.append(&renderer.bytes, byte)
}