27 lines
899 B
Rust
27 lines
899 B
Rust
use prometeu_bytecode::{Value, TRAP_TYPE};
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use crate::vm_fault::VmFault;
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pub fn expect_bounded(args: &[Value], idx: usize) -> Result<u32, VmFault> {
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args.get(idx)
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.and_then(|v| match v {
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Value::Bounded(b) => Some(*b),
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_ => None,
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})
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.ok_or_else(|| VmFault::Trap(TRAP_TYPE, format!("Expected bounded at index {}", idx)))
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}
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pub fn expect_int(args: &[Value], idx: usize) -> Result<i64, VmFault> {
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args.get(idx)
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.and_then(|v| v.as_integer())
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.ok_or_else(|| VmFault::Trap(TRAP_TYPE, format!("Expected integer at index {}", idx)))
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}
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pub fn expect_bool(args: &[Value], idx: usize) -> Result<bool, VmFault> {
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args.get(idx)
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.and_then(|v| match v {
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Value::Boolean(b) => Some(*b),
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_ => None,
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})
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.ok_or_else(|| VmFault::Trap(TRAP_TYPE, format!("Expected boolean at index {}", idx)))
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}
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