cleanup, optimize. use Arc for reference sharing

crsn_stacks/src/defs.rs

@@ -1,4 +1,4 @@
-use crsn::asm::data::{Rd, Wr, RdObj};
+use crsn::asm::data::{Rd, RdObj, Wr};
 
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub enum StackOp {

crsn_stacks/src/exec.rs

@@ -1,13 +1,12 @@
-use std::collections::{VecDeque, HashMap};
+use std::collections::{HashMap, VecDeque};
 
 use crsn::asm::data::literal::Value;
 use crsn::asm::instr::Cond;
-use crsn::module::{EvalRes, OpTrait, CrsnExtension};
+use crsn::module::{CrsnExtension, EvalRes, OpTrait};
 use crsn::runtime::fault::Fault;
 use crsn::runtime::run_thread::{state::RunState, ThreadInfo};
 
 use crate::defs::StackOp;
-use crate::StackOps;
 
 #[derive(Debug, Default)]
 struct Stacks {
@@ -68,7 +67,7 @@ impl OpTrait for StackOp {
     //
 }
 
-pub(crate) fn drop_stack(state: &mut RunState, handle : Value) -> Result<Option<()>, Fault> {
+pub(crate) fn drop_stack(state: &mut RunState, handle: Value) -> Result<Option<()>, Fault> {
     let stacks: &mut Stacks = state.ext_mut();
     Ok(stacks.store.remove(&handle).map(|_| ()))
 }

crsn_stacks/src/parse.rs

@@ -1,12 +1,12 @@
+use crsn::asm::data::literal::Value;
 use crsn::asm::error::Error;
 use crsn::asm::instr::Op;
 use crsn::asm::parse::arg_parser::ArgParser;
 use crsn::module::{CrsnExtension, ParseOpRes};
+use crsn::runtime::fault::Fault;
+use crsn::runtime::run_thread::{RunState, ThreadInfo};
 
 use crate::defs::StackOp;
-use crsn::runtime::run_thread::{ThreadInfo, RunState};
-use crsn::asm::data::literal::Value;
-use crsn::runtime::fault::Fault;
 
 #[derive(Debug, Clone)]
 pub struct StackOps {
@@ -54,7 +54,7 @@ impl CrsnExtension for StackOps {
         }))))
     }
 
-    fn drop_obj(&self, _ti: &ThreadInfo, state: &mut RunState, handle : Value) -> Result<Option<()>, Fault>
+    fn drop_obj(&self, _ti: &ThreadInfo, state: &mut RunState, handle: Value) -> Result<Option<()>, Fault>
     {
         crate::exec::drop_stack(state, handle)
     }