33 lines
909 B
Rust
33 lines
909 B
Rust
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use crate::obj::ObjPtr;
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use crate::vm::name::Name;
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#[derive(Debug, Clone)]
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pub enum Inst {
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/// Pushes an object to the stack.
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Push(ObjPtr),
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/// Loads a local value in a name and pushes it to the stack.
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Load(Name),
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/// Pops the top item off of the stack and stores it in a name.
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Store(Name),
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/// Get an attribute from the top item of the stack.
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GetAttr(String),
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/// Pops the top item off of the stack, discarding it.
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Pop,
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/// Pops the top N function arguments off the stack, and attempt to call the
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/// next stack item.
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Call(usize),
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/// Exits the current function stack frame and returns control to the
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/// calling function.
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///
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/// This will take the last value on top of the stack (the return value),
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/// resize the stack to its last size (pre-call), and push the return value
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/// back to the top of the stack.
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Return,
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}
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