Convert builtin ops into a pseudo-extension

crsn_arith/src/parse.rs

@@ -1,11 +1,10 @@
 use crsn::asm::data::{Rd, Wr};
-use crsn::asm::error::{Error};
+use crsn::asm::error::Error;
 use crsn::asm::instr::op::{AsmModule, ParseOpResult};
-
-
+use crsn::asm::instr::Op;
+use crsn::asm::parse::arg_parser::ArgParser;
 
 use crate::defs::ArithOp;
-use crsn::asm::parse::arg_parser::ArgParser;
 
 #[derive(Debug, Clone)]
 pub struct ArithOpParser {
@@ -26,7 +25,7 @@ impl AsmModule for ArithOpParser {
     }
 
     fn parse_op(&self, keyword: &str, mut args: ArgParser) -> Result<ParseOpResult, Error> {
-        Ok(ParseOpResult::Parsed(Box::new(match keyword {
+        Ok(ParseOpResult::Parsed(Op::Ext(Box::new(match keyword {
             "cmp" => {
                 ArithOp::Compare {
                     a: args.next_rd()?,
@@ -451,6 +450,6 @@ impl AsmModule for ArithOpParser {
             _other => {
                 return Ok(ParseOpResult::Unknown(args));
             }
-        })))
+        }))))
     }
 }