爱特每羊队
19 lines
656 B
Rust
19 lines
656 B
Rust
//! throw 语句 emit：`emit_throw_statement` 求值异常值并生成 THROW。
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use crate::{CompileCtx, Emitter};
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use oxide_bytecode::opcode::OpCode;
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use oxide_ir::inst::Inst;
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use oxide_ir::operand::Operand;
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use oxide_parser::Statement;
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impl Emitter {
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pub(crate) fn emit_throw_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
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let Statement::ThrowStatement(ts) = stmt else {
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return Ok(None);
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};
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let exc_reg = self.emit_expression(&ts.argument, ctx)?;
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ctx.inst(Inst::new(OpCode::THROW, Operand::Reg(exc_reg), Operand::None, Operand::None));
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Ok(None)
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}
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}
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