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feat: 支持复合运算符

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爱特每羊队
2026-06-06 20:20:05 +08:00
parent e245ab347a
commit 3c728686fc
8 changed files with 177 additions and 8 deletions
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crates/oxide_compiler/src/emitter.rs
+20 -6
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@@ -630,13 +630,27 @@ impl Compiler {
&assign.left
{
if assign.operator != AssignmentOperator::Assign {
return Err("compound assignment not yet supported".into());
let rhs = self.emit_expression(&assign.right, ctx)?;
let name = id_ref.name.as_str();
let var_reg = ctx.lookup_or_global(name);
let op = match assign.operator {
AssignmentOperator::Addition => OpCode::COMPOUND_ADD,
AssignmentOperator::Subtraction => OpCode::COMPOUND_SUB,
AssignmentOperator::Multiplication => OpCode::COMPOUND_MUL,
AssignmentOperator::Division => OpCode::COMPOUND_DIV,
AssignmentOperator::Remainder => OpCode::COMPOUND_MOD,
AssignmentOperator::Exponential => OpCode::COMPOUND_EXP,
_ => unreachable!(),
};
ctx.emit(opcode::encode(op, var_reg, rhs, 0));
Ok(var_reg)
} else {
let val_reg = self.emit_expression(&assign.right, ctx)?;
let name = id_ref.name.as_str();
let var_reg = ctx.lookup_or_global(name);
ctx.emit(opcode::encode(OpCode::STORE_VAR, var_reg, val_reg, 0));
Ok(val_reg)
}
let val_reg = self.emit_expression(&assign.right, ctx)?;
let name = id_ref.name.as_str();
let var_reg = ctx.lookup_or_global(name);
ctx.emit(opcode::encode(OpCode::STORE_VAR, var_reg, val_reg, 0));
Ok(val_reg)
} else {
Err("assignment target not supported".into())
}