27 lines
751 B
Rust
27 lines
751 B
Rust
|
|
/*!
|
||
|
|
* VM Dispatch table (scaffolding)
|
||
|
|
*
|
||
|
|
* Purpose: Centralize mapping from MIR instruction kinds to handler fns.
|
||
|
|
* Status: Initial skeleton; currently unused. Future: build static table for hot-path dispatch.
|
||
|
|
*/
|
||
|
|
|
||
|
|
use crate::mir::MirInstruction;
|
||
|
|
use super::vm::{VMError};
|
||
|
|
|
||
|
|
/// Placeholder for an instruction dispatch entry
|
||
|
|
pub struct DispatchEntry;
|
||
|
|
|
||
|
|
/// Placeholder dispatch table
|
||
|
|
pub struct DispatchTable;
|
||
|
|
|
||
|
|
impl DispatchTable {
|
||
|
|
pub fn new() -> Self { Self }
|
||
|
|
|
||
|
|
/// Example API for future use: resolve a handler for an instruction
|
||
|
|
pub fn resolve(&self, _instr: &MirInstruction) -> Option<DispatchEntry> { None }
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Example execution of a dispatch entry
|
||
|
|
pub fn execute_entry(_entry: &DispatchEntry) -> Result<(), VMError> { Ok(()) }
|
||
|
|
|