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use crate::*;
pub fn parse_bytecode(intermediate: Vec<Tracked<IntermediateToken>>, width: Option<u32>) -> Result<Vec<Segment>, Vec<Tracked<BytecodeError>>> {
let mut segments = Vec::new();
let mut errors = Vec::new();
let mut current_segment = Vec::new();
let mut segment_source = None;
let mut segment_address = 0;
for token in intermediate {
match token.value {
IntermediateToken::Word(word) => {
if let Some(width) = width {
if word.width != width {
let error = BytecodeError::IncorrectWidth(width, word.width);
errors.push(Tracked::from(error, token.source.clone()));
}
}
let source = token.source.clone();
current_segment.push(Tracked::from(word, source));
}
IntermediateToken::PinnedAddress(pinned_address) => {
if !current_segment.is_empty() {
let address = segment_address;
let words = std::mem::take(&mut current_segment);
let source = std::mem::take(&mut segment_source);
segments.push(Segment { address, source, words });
segment_address = pinned_address;
}
}
}
}
// Finish final segment.
if !current_segment.is_empty() {
let address = segment_address;
let words = std::mem::take(&mut current_segment);
let source = std::mem::take(&mut segment_source);
segments.push(Segment { address, source, words });
}
match errors.is_empty() {
true => Ok(segments),
false => Err(errors),
}
}
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