Add strings and IO.

1 files changed, 44 insertions, 0 deletions

diff --git a/bytecode/src/encoding.rs b/bytecode/src/encoding.rs
index 80fcc58..92e6bf6 100644
--- a/bytecode/src/encoding.rs
+++ b/bytecode/src/encoding.rs
@@ -88,6 +88,28 @@ pub struct If {
 }
 
 #[derive(Debug, Clone, Copy)]
+pub struct Read {
+    pub out: u8,
+    pub ptr: u8,
+    pub off: Arg,
+    pub len: Arg,
+}
+
+#[derive(Debug, Clone, Copy)]
+pub struct Write {
+    pub ptr: u8,
+    pub off: Arg,
+    pub len: Arg,
+}
+
+#[derive(Debug, Clone, Copy)]
+pub struct WriteErr {
+    pub ptr: u8,
+    pub off: Arg,
+    pub len: Arg,
+}
+
+#[derive(Debug, Clone, Copy)]
 pub enum Op {
     Alloc(Alloc),
     Call,
@@ -102,6 +124,9 @@ pub enum Op {
     Less(Less),
     Eq(Eq),
     If(If),
+    Read(Read),
+    Write(Write),
+    WriteErr(WriteErr),
 }
 
 struct Reader<'a> {
@@ -241,6 +266,25 @@ impl Op {
                 let target = usize::try_from(itarget)?;
                 Op::If(If { test, target })
             }
+            14 => {
+                let out = r.parse_local()?;
+                let ptr = r.parse_local()?;
+                let off = r.parse_arg(arg1_const)?;
+                let len = r.parse_arg(arg2_const)?;
+                Op::Read(Read { out, ptr, off, len })
+            }
+            15 => {
+                let ptr = r.parse_local()?;
+                let off = r.parse_arg(arg1_const)?;
+                let len = r.parse_arg(arg2_const)?;
+                Op::Write(Write { ptr, off, len })
+            }
+            16 => {
+                let ptr = r.parse_local()?;
+                let off = r.parse_arg(arg1_const)?;
+                let len = r.parse_arg(arg2_const)?;
+                Op::WriteErr(WriteErr { ptr, off, len })
+            }
             _ => {
                 return Err(Box::from(format!("invalid code {}", code)));
             }