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function calls

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This commit is contained in:
Svyatoslav Nikolsky
2017-04-26 12:37:27 +03:00
parent 0eb881f487
commit 0c794a4e90
5 changed files with 317 additions and 226 deletions
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15
src/interpreter/variable.rs
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@ -1,4 +1,3 @@
use std::sync::Arc;
use parking_lot::RwLock;
use elements::{GlobalType, ValueType};
use interpreter::Error;
@ -20,6 +19,7 @@ pub enum VariableType {
}
/// Variable instance.
#[derive(Debug)]
pub struct VariableInstance {
/// Is mutable?
is_mutable: bool,
@ -30,17 +30,20 @@ pub struct VariableInstance {
}
impl VariableInstance {
pub fn new(global_type: &GlobalType, value: RuntimeValue) -> Result<Arc<Self>, Error> {
let variable_type: VariableType = global_type.content_type().into();
pub fn new(is_mutable: bool, variable_type: VariableType, value: RuntimeValue) -> Result<Self, Error> {
if !value.is_null() && value.variable_type() != Some(variable_type) {
return Err(Error::Variable(format!("trying to initialize variable of type {:?} with value of type {:?}", variable_type, value.variable_type())));
}
Ok(Arc::new(VariableInstance {
is_mutable: global_type.is_mutable(),
Ok(VariableInstance {
is_mutable: is_mutable,
variable_type: variable_type,
value: RwLock::new(value),
}))
})
}
pub fn new_global(global_type: &GlobalType, value: RuntimeValue) -> Result<Self, Error> {
Self::new(global_type.is_mutable(), global_type.content_type().into(), value)
}
pub fn get(&self) -> RuntimeValue {