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Allow using constants in data.8 and data.16

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Ry 2022-10-12 13:32:14 -07:00
parent 7d1f636239
commit cc4242b1fe
1 changed files with 10 additions and 18 deletions
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24
src/main.rs
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@ -598,26 +598,18 @@ fn parse_data(pair: pest::iterators::Pair<Rule>) -> AstNode {
//println!("{:#?}", pair);
match pair.as_rule() {
Rule::data_byte => {
let ast = parse_operand(pair.into_inner().next().unwrap(), false);
let byte = {
if let AstNode::Immediate32(word) = ast {
word as u8
} else {
unreachable!()
match parse_operand(pair.into_inner().next().unwrap(), false) {
AstNode::Immediate32(half) => AstNode::DataByte(half as u8),
AstNode::LabelOperand {name, size, is_relative} => AstNode::LabelOperand {name, size, is_relative},
_ => unreachable!(),
}
};
AstNode::DataByte(byte)
},
Rule::data_half => {
let ast = parse_operand(pair.into_inner().next().unwrap(), false);
let word = {
if let AstNode::Immediate32(word) = ast {
word as u16
} else {
unreachable!()
match parse_operand(pair.into_inner().next().unwrap(), false) {
AstNode::Immediate32(half) => AstNode::DataHalf(half as u16),
AstNode::LabelOperand {name, size, is_relative} => AstNode::LabelOperand {name, size, is_relative},
_ => unreachable!(),
}
};
AstNode::DataHalf(word)
},
Rule::data_word => {
match parse_operand(pair.into_inner().next().unwrap(), false) {