61 lines
1.9 KiB
Rust
61 lines
1.9 KiB
Rust
use fix_error::Error;
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use gc_arena::Mutation;
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use crate::value::*;
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use crate::{BytecodeReader, Step, VmRuntimeCtx};
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impl<'gc> crate::Vm<'gc> {
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#[inline(always)]
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pub(crate) fn op_jump_if_false(
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&mut self,
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reader: &mut BytecodeReader<'_>,
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mc: &gc_arena::Mutation<'gc>,
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) -> Step {
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let offset = reader.read_i32();
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let cond = self.force_and_retry::<StrictValue>(reader, mc)?;
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if cond.as_inline::<bool>() == Some(false) {
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reader.set_pc(((reader.pc() as isize) + (offset as isize)) as usize);
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}
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Step::Continue(())
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}
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#[inline(always)]
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pub(crate) fn op_jump_if_true(
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&mut self,
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reader: &mut BytecodeReader<'_>,
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mc: &Mutation<'gc>,
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) -> Step {
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let offset = reader.read_i32();
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let cond = self.force_and_retry::<StrictValue>(reader, mc)?;
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if cond.as_inline::<bool>() == Some(true) {
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reader.set_pc(((reader.pc() as isize) + (offset as isize)) as usize);
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}
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Step::Continue(())
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}
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#[inline(always)]
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pub(crate) fn op_jump(&mut self, reader: &mut BytecodeReader<'_>) -> Step {
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let offset = reader.read_i32();
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reader.set_pc(((reader.pc() as isize) + (offset as isize)) as usize);
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Step::Continue(())
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}
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#[inline(always)]
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pub(crate) fn op_assert(
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&mut self,
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ctx: &mut impl VmRuntimeCtx,
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reader: &mut BytecodeReader<'_>,
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mc: &Mutation<'gc>,
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) -> Step {
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let raw_id = reader.read_string_id();
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let raw = ctx.resolve_string(raw_id);
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let _span_id = reader.read_u32();
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let assertion = self.force_and_retry::<bool>(reader, mc)?;
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if !assertion {
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// FIXME: use catchable error
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return self.finish_err(Error::eval_error(format!("assertion '{raw}' failed")));
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}
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Step::Continue(())
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}
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}
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