Connor Wood
94 lines
2.8 KiB
Rust
94 lines
2.8 KiB
Rust
use collections::string::String;
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use collections::btree_map::BTreeMap;
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use collections::vec::Vec;
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use super::namespace::{ AmlValue, ObjectReference };
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use super::AmlError;
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pub type ParseResult = Result<AmlParseType, AmlError>;
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pub type AmlParseType = AmlParseTypeGeneric<AmlValue>;
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pub struct AmlParseTypeGeneric<T> {
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pub val: T,
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pub len: usize
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}
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pub enum ExecutionState {
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EXECUTING,
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CONTINUE,
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BREAK,
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RETURN(AmlValue)
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}
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pub struct AmlExecutionContext {
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pub namespace: BTreeMap<String, AmlValue>,
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pub scope: String,
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pub local_vars: [AmlValue; 8],
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pub arg_vars: [AmlValue; 8],
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pub state: ExecutionState
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}
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impl AmlExecutionContext {
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pub fn new(scope: String) -> AmlExecutionContext {
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AmlExecutionContext {
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namespace: BTreeMap::new(),
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scope: scope,
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local_vars: [AmlValue::Uninitialized,
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AmlValue::Uninitialized,
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AmlValue::Uninitialized,
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AmlValue::Uninitialized,
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AmlValue::Uninitialized,
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AmlValue::Uninitialized,
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AmlValue::Uninitialized,
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AmlValue::Uninitialized],
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arg_vars: [AmlValue::Uninitialized,
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AmlValue::Uninitialized,
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AmlValue::Uninitialized,
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AmlValue::Uninitialized,
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AmlValue::Uninitialized,
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AmlValue::Uninitialized,
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AmlValue::Uninitialized,
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AmlValue::Uninitialized],
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state: ExecutionState::EXECUTING
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}
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}
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pub fn init_arg_vars(&mut self, parameters: Vec<AmlValue>) {
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if parameters.len() > 8 {
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return;
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}
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let mut cur = 0;
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while cur < parameters.len() {
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self.arg_vars[cur] = parameters[cur].clone();
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cur += 1;
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}
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}
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pub fn modify(&mut self, name: AmlValue, value: AmlValue) {
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// TODO: throw errors
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// TODO: return DRO
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match name {
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AmlValue::None => (),
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AmlValue::ObjectReference(r) => match r {
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ObjectReference::ArgObj(i) => (),
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ObjectReference::LocalObj(i) => self.local_vars[i as usize] = value,
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_ => ()
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},
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_ => ()
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}
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}
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pub fn get(&self, name: AmlValue) -> AmlValue {
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match name {
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AmlValue::None => AmlValue::None,
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AmlValue::ObjectReference(r) => match r {
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ObjectReference::ArgObj(i) => self.arg_vars[i as usize].clone(),
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ObjectReference::LocalObj(i) => self.local_vars[i as usize].clone(),
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_ => AmlValue::None
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},
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_ => AmlValue::None
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}
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}
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}
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