runmat_vm/interpreter/
state.rs

1use crate::bytecode::{Bytecode, ExecutionContext};
2#[cfg(feature = "native-accel")]
3use runmat_accelerate::{prepare_fusion_plan, FusionPlan};
4use runmat_builtins::Value;
5use std::collections::HashMap;
6#[cfg(feature = "native-accel")]
7use std::sync::Arc;
8
9#[derive(Debug)]
10pub enum InterpreterOutcome {
11    Completed(Vec<Value>),
12}
13
14#[derive(Debug)]
15pub struct InterpreterState {
16    pub bytecode: Bytecode,
17    pub stack: Vec<Value>,
18    pub vars: Vec<Value>,
19    pub pc: usize,
20    pub context: ExecutionContext,
21    pub try_stack: Vec<(usize, Option<usize>)>,
22    pub last_exception: Option<runmat_builtins::MException>,
23    pub imports: Vec<(Vec<String>, bool)>,
24    pub global_aliases: HashMap<usize, String>,
25    pub persistent_aliases: HashMap<usize, String>,
26    pub current_function_name: String,
27    pub call_counts: Vec<(usize, usize)>,
28    #[cfg(feature = "native-accel")]
29    pub fusion_plan: Option<Arc<FusionPlan>>,
30}
31
32impl InterpreterState {
33    pub fn new(
34        bytecode: Bytecode,
35        initial_vars: &mut [Value],
36        current_function_name: Option<&str>,
37        call_counts: Vec<(usize, usize)>,
38    ) -> Self {
39        let mut vars = initial_vars.to_vec();
40        if vars.len() < bytecode.var_count {
41            vars.resize(bytecode.var_count, Value::Num(0.0));
42        }
43        Self {
44            stack: Vec::new(),
45            context: ExecutionContext {
46                call_stack: Vec::new(),
47                locals: Vec::new(),
48                instruction_pointer: 0,
49                functions: bytecode.functions.clone(),
50            },
51            try_stack: Vec::new(),
52            last_exception: None,
53            imports: Vec::new(),
54            global_aliases: HashMap::new(),
55            persistent_aliases: HashMap::new(),
56            vars,
57            pc: 0,
58            call_counts,
59            current_function_name: current_function_name
60                .map(|s| s.to_string())
61                .unwrap_or_else(|| "<main>".to_string()),
62            #[cfg(feature = "native-accel")]
63            fusion_plan: prepare_fusion_plan(
64                bytecode.accel_graph.as_ref(),
65                &bytecode.fusion_groups,
66            ),
67            bytecode,
68        }
69    }
70}
runmat_vm/interpreter/state.rs

runmat_vm/interpreter/
state.rs
