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gen_dev: add ability to pass arguments to functions

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Brendan Hansknecht 2021-02-12 19:32:34 -08:00
parent 01a86aaa9c
commit 95be1a1b6d
5 changed files with 590 additions and 81 deletions
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8
compiler/gen_dev/src/lib.rs
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@ -70,10 +70,14 @@ where
/// finalize is run at the end of build_proc when all internal code is finalized.
fn finalize(&mut self) -> Result<(&'a [u8], &[Relocation]), String>;
// load_args is used to let the backend know what the args are.
// The backend should track these args so it can use them as needed.
fn load_args(&mut self, args: &'a [(Layout<'a>, Symbol)]) -> Result<(), String>;
/// build_proc creates a procedure and outputs it to the wrapped object writer.
fn build_proc(&mut self, proc: Proc<'a>) -> Result<(&'a [u8], &[Relocation]), String> {
self.reset();
// TODO: let the backend know of all the arguments.
self.load_args(&proc.args)?;
// let start = std::time::Instant::now();
self.scan_ast(&proc.body);
self.create_free_map();
@ -167,6 +171,8 @@ where
let fn_name = LayoutIds::default()
.get(*func_sym, layout)
.to_symbol_string(*func_sym, &self.env().interns);
// Now that the arguments are needed, load them if they are literals.
self.load_literal_symbols(arguments)?;
self.build_fn_call(sym, fn_name, arguments, arg_layouts, ret_layout)
}
x => Err(format!("the function, {:?}, is not yet implemented", x)),