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#![recursion_limit = "512"]

extern crate proc_macro;

mod codegen;
mod parser;
use syn::parse_macro_input;

#[proc_macro]
pub fn statemachine(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
    // Parse the syntax into structures
    let input = parse_macro_input!(input as parser::StateMachine);

    // Validate syntax
    let sm = parser::ParsedStateMachine::new(input);

    // Generate code
    let output = codegen::generate_code(&sm);

    // Hand the output tokens back to the compiler
    output.into()
}