use crate::{PredictionProvider, example::Example, format_prompt::TeacherPrompt};use anyhow::{Context as _, Result};use zeta_prompt::{CURSOR_MARKER, ZetaVersion}; pub fn run_parse_output(example: &mut Example) -> Result<()> { let provider = example .prompt .as_ref() .context("prompt required (run format-prompt first)")? .provider; example .prompt_inputs .as_ref() .context("prompt_inputs required")?; let parsed_patches: Vec<_> = example .predictions .iter() .enumerate() .filter(|(_, p)| !p.actual_output.is_empty()) .map(|(ix, prediction)| { let result = parse_prediction_output(example, &prediction.actual_output, provider); result.map(|(patch, cursor_offset)| (ix, patch, cursor_offset)) }) .collect::<Result<Vec<_>>>()?; for (ix, actual_patch, actual_cursor_offset) in parsed_patches { example.predictions[ix].actual_patch = Some(actual_patch); example.predictions[ix].actual_cursor_offset = actual_cursor_offset; example.predictions[ix].provider = provider; } Ok(())} pub fn parse_prediction_output( example: &Example, actual_output: &str, provider: PredictionProvider,) -> Result<(String, Option<usize>)> { match provider { PredictionProvider::Teacher(_) | PredictionProvider::TeacherNonBatching(_) => { TeacherPrompt::parse(example, actual_output) } PredictionProvider::Zeta2(version) => parse_zeta2_output(example, actual_output, version), _ => anyhow::bail!( "parse-output only supports Teacher and Zeta2 providers, got {:?}", provider ), }} fn extract_zeta2_current_region(prompt: &str, version: ZetaVersion) -> Result<String> { let (current_marker, end_marker) = match version { ZetaVersion::V0112MiddleAtEnd => ("<|fim_middle|>current\n", "<|fim_middle|>updated"), ZetaVersion::V0113Ordered | ZetaVersion::V0114180EditableRegion => { ("<|fim_middle|>current\n", "<|fim_suffix|>") } ZetaVersion::V0120GitMergeMarkers | ZetaVersion::V0131GitMergeMarkersPrefix => ( zeta_prompt::v0120_git_merge_markers::START_MARKER, zeta_prompt::v0120_git_merge_markers::SEPARATOR, ), }; let start = prompt.find(current_marker).with_context(|| { format!( "missing current marker '{}' in prompt", current_marker.trim() ) })? + current_marker.len(); let end = prompt[start..] .find(end_marker) .with_context(|| format!("missing end marker '{}' in prompt", end_marker.trim()))? + start; let region = &prompt[start..end]; let region = region.strip_suffix('\n').unwrap_or(region); let region = region.replace(CURSOR_MARKER, ""); Ok(region)} fn parse_zeta2_output( example: &Example, actual_output: &str, version: ZetaVersion,) -> Result<(String, Option<usize>)> { let prompt = &example.prompt.as_ref().context("prompt required")?.input; let prompt_inputs = example .prompt_inputs .as_ref() .context("prompt_inputs required")?; let old_text = extract_zeta2_current_region(prompt, version)?; let mut new_text = actual_output.to_string(); let cursor_offset = if let Some(offset) = new_text.find(CURSOR_MARKER) { new_text.replace_range(offset..offset + CURSOR_MARKER.len(), ""); Some(offset) } else { None }; let suffix = match version { ZetaVersion::V0131GitMergeMarkersPrefix => { zeta_prompt::v0131_git_merge_markers_prefix::END_MARKER } ZetaVersion::V0120GitMergeMarkers => zeta_prompt::v0120_git_merge_markers::END_MARKER, _ => "", }; if !suffix.is_empty() { new_text = new_text .strip_suffix(suffix) .unwrap_or(&new_text) .to_string(); } let mut old_text_normalized = old_text.clone(); if !new_text.is_empty() && !new_text.ends_with('\n') { new_text.push('\n'); } if !old_text_normalized.is_empty() && !old_text_normalized.ends_with('\n') { old_text_normalized.push('\n'); } let old_text_trimmed = old_text.trim_end_matches('\n'); let (editable_region_offset, _) = prompt_inputs .content .match_indices(old_text_trimmed) .min_by_key(|(index, _)| index.abs_diff(prompt_inputs.cursor_offset)) .with_context(|| { format!( "could not find editable region in content.\nLooking for:\n{}\n\nIn content:\n{}", old_text_trimmed, &prompt_inputs.content ) })?; let editable_region_start_line = prompt_inputs.content[..editable_region_offset] .matches('\n') .count(); // Use full context so cursor offset (relative to editable region start) aligns with diff content let editable_region_lines = old_text_normalized.lines().count() as u32; let diff = language::unified_diff_with_context( &old_text_normalized, &new_text, editable_region_start_line as u32, editable_region_start_line as u32, editable_region_lines, ); let formatted_diff = format!( "--- a/{path}\n+++ b/{path}\n{diff}", path = example.spec.cursor_path.to_string_lossy(), ); Ok((formatted_diff, cursor_offset))} #[cfg(test)]mod tests { use super::*; #[test] fn test_extract_zeta2_current_region_v0113() { let prompt = indoc::indoc! {" <|file_sep|>src/main.rs <|fim_prefix|> fn main() { <|fim_middle|>current println!(\"hello\"); <|fim_suffix|> } <|fim_middle|>updated "}; let region = extract_zeta2_current_region(prompt, ZetaVersion::V0113Ordered).unwrap(); assert_eq!(region, "println!(\"hello\");"); } #[test] fn test_extract_zeta2_current_region_v0112() { let prompt = indoc::indoc! {" <|file_sep|>src/main.rs <|fim_prefix|> fn main() { <|fim_suffix|> } <|fim_middle|>current println!(\"hello\"); <|fim_middle|>updated "}; let region = extract_zeta2_current_region(prompt, ZetaVersion::V0112MiddleAtEnd).unwrap(); assert_eq!(region, "println!(\"hello\");"); } #[test] fn test_extract_zeta2_current_region_with_cursor_marker() { let prompt = indoc::indoc! {" <|file_sep|>src/main.rs <|fim_prefix|> fn main() { <|fim_middle|>current print<|user_cursor|>ln!(\"hello\"); <|fim_suffix|> } <|fim_middle|>updated "}; let region = extract_zeta2_current_region(prompt, ZetaVersion::V0113Ordered).unwrap(); assert_eq!(region, "println!(\"hello\");"); } #[test] fn test_extract_zeta2_current_region_v0120_git_merge_markers() { let prompt = indoc::indoc! {" <|file_sep|>src/main.rs <|fim_prefix|> fn main() { <|fim_suffix|> } <|fim_middle|><<<<<<< CURRENT println!(\"hello\"); ======= "}; let region = extract_zeta2_current_region(prompt, ZetaVersion::V0120GitMergeMarkers).unwrap(); assert_eq!(region, "println!(\"hello\");"); } #[test] fn test_extract_zeta2_current_region_v0120_with_cursor_marker() { let prompt = indoc::indoc! {" <|file_sep|>src/main.rs <|fim_prefix|> fn main() { <|fim_suffix|> } <|fim_middle|><<<<<<< CURRENT print<|user_cursor|>ln!(\"hello\"); ======= "}; let region = extract_zeta2_current_region(prompt, ZetaVersion::V0120GitMergeMarkers).unwrap(); assert_eq!(region, "println!(\"hello\");"); }}
use crate::{PredictionProvider, example::Example, format_prompt::TeacherPrompt};
use anyhow::{Context as _, Result};
use zeta_prompt::{CURSOR_MARKER, ZetaVersion};
pub fn run_parse_output(example: &mut Example) -> Result<()> {
let provider = example
.prompt
.as_ref()
.context("prompt required (run format-prompt first)")?
.provider;
example
.prompt_inputs
.as_ref()
.context("prompt_inputs required")?;
let parsed_patches: Vec<_> = example
.predictions
.iter()
.enumerate()
.filter(|(_, p)| !p.actual_output.is_empty())
.map(|(ix, prediction)| {
let result = parse_prediction_output(example, &prediction.actual_output, provider);
result.map(|(patch, cursor_offset)| (ix, patch, cursor_offset))
})
.collect::<Result<Vec<_>>>()?;
for (ix, actual_patch, actual_cursor_offset) in parsed_patches {
example.predictions[ix].actual_patch = Some(actual_patch);
example.predictions[ix].actual_cursor_offset = actual_cursor_offset;
example.predictions[ix].provider = provider;
}
Ok(())
}
pub fn parse_prediction_output(
example: &Example,
actual_output: &str,
provider: PredictionProvider,
) -> Result<(String, Option<usize>)> {
match provider {
PredictionProvider::Teacher(_) | PredictionProvider::TeacherNonBatching(_) => {
TeacherPrompt::parse(example, actual_output)
}
PredictionProvider::Zeta2(version) => parse_zeta2_output(example, actual_output, version),
_ => anyhow::bail!(
"parse-output only supports Teacher and Zeta2 providers, got {:?}",
provider
),
}
}
fn extract_zeta2_current_region(prompt: &str, version: ZetaVersion) -> Result<String> {
let (current_marker, end_marker) = match version {
ZetaVersion::V0112MiddleAtEnd => ("<|fim_middle|>current\n", "<|fim_middle|>updated"),
ZetaVersion::V0113Ordered | ZetaVersion::V0114180EditableRegion => {
("<|fim_middle|>current\n", "<|fim_suffix|>")
}
ZetaVersion::V0120GitMergeMarkers | ZetaVersion::V0131GitMergeMarkersPrefix => (
zeta_prompt::v0120_git_merge_markers::START_MARKER,
zeta_prompt::v0120_git_merge_markers::SEPARATOR,
),
};
let start = prompt.find(current_marker).with_context(|| {
format!(
"missing current marker '{}' in prompt",
current_marker.trim()
)
})? + current_marker.len();
let end = prompt[start..]
.find(end_marker)
.with_context(|| format!("missing end marker '{}' in prompt", end_marker.trim()))?
+ start;
let region = &prompt[start..end];
let region = region.strip_suffix('\n').unwrap_or(region);
let region = region.replace(CURSOR_MARKER, "");
Ok(region)
}
fn parse_zeta2_output(
example: &Example,
actual_output: &str,
version: ZetaVersion,
) -> Result<(String, Option<usize>)> {
let prompt = &example.prompt.as_ref().context("prompt required")?.input;
let prompt_inputs = example
.prompt_inputs
.as_ref()
.context("prompt_inputs required")?;
let old_text = extract_zeta2_current_region(prompt, version)?;
let mut new_text = actual_output.to_string();
let cursor_offset = if let Some(offset) = new_text.find(CURSOR_MARKER) {
new_text.replace_range(offset..offset + CURSOR_MARKER.len(), "");
Some(offset)
} else {
None
};
let suffix = match version {
ZetaVersion::V0131GitMergeMarkersPrefix => {
zeta_prompt::v0131_git_merge_markers_prefix::END_MARKER
}
ZetaVersion::V0120GitMergeMarkers => zeta_prompt::v0120_git_merge_markers::END_MARKER,
_ => "",
};
if !suffix.is_empty() {
new_text = new_text
.strip_suffix(suffix)
.unwrap_or(&new_text)
.to_string();
}
let mut old_text_normalized = old_text.clone();
if !new_text.is_empty() && !new_text.ends_with('\n') {
new_text.push('\n');
}
if !old_text_normalized.is_empty() && !old_text_normalized.ends_with('\n') {
old_text_normalized.push('\n');
}
let old_text_trimmed = old_text.trim_end_matches('\n');
let (editable_region_offset, _) = prompt_inputs
.content
.match_indices(old_text_trimmed)
.min_by_key(|(index, _)| index.abs_diff(prompt_inputs.cursor_offset))
.with_context(|| {
format!(
"could not find editable region in content.\nLooking for:\n{}\n\nIn content:\n{}",
old_text_trimmed, &prompt_inputs.content
)
})?;
let editable_region_start_line = prompt_inputs.content[..editable_region_offset]
.matches('\n')
.count();
// Use full context so cursor offset (relative to editable region start) aligns with diff content
let editable_region_lines = old_text_normalized.lines().count() as u32;
let diff = language::unified_diff_with_context(
&old_text_normalized,
&new_text,
editable_region_start_line as u32,
editable_region_start_line as u32,
editable_region_lines,
);
let formatted_diff = format!(
"--- a/{path}\n+++ b/{path}\n{diff}",
path = example.spec.cursor_path.to_string_lossy(),
);
Ok((formatted_diff, cursor_offset))
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_extract_zeta2_current_region_v0113() {
let prompt = indoc::indoc! {"
<|file_sep|>src/main.rs
<|fim_prefix|>
fn main() {
<|fim_middle|>current
println!(\"hello\");
<|fim_suffix|>
}
<|fim_middle|>updated
"};
let region = extract_zeta2_current_region(prompt, ZetaVersion::V0113Ordered).unwrap();
assert_eq!(region, "println!(\"hello\");");
}
#[test]
fn test_extract_zeta2_current_region_v0112() {
let prompt = indoc::indoc! {"
<|file_sep|>src/main.rs
<|fim_prefix|>
fn main() {
<|fim_suffix|>
}
<|fim_middle|>current
println!(\"hello\");
<|fim_middle|>updated
"};
let region = extract_zeta2_current_region(prompt, ZetaVersion::V0112MiddleAtEnd).unwrap();
assert_eq!(region, "println!(\"hello\");");
}
#[test]
fn test_extract_zeta2_current_region_with_cursor_marker() {
let prompt = indoc::indoc! {"
<|file_sep|>src/main.rs
<|fim_prefix|>
fn main() {
<|fim_middle|>current
print<|user_cursor|>ln!(\"hello\");
<|fim_suffix|>
}
<|fim_middle|>updated
"};
let region = extract_zeta2_current_region(prompt, ZetaVersion::V0113Ordered).unwrap();
assert_eq!(region, "println!(\"hello\");");
}
#[test]
fn test_extract_zeta2_current_region_v0120_git_merge_markers() {
let prompt = indoc::indoc! {"
<|file_sep|>src/main.rs
<|fim_prefix|>
fn main() {
<|fim_suffix|>
}
<|fim_middle|><<<<<<< CURRENT
println!(\"hello\");
=======
"};
let region =
extract_zeta2_current_region(prompt, ZetaVersion::V0120GitMergeMarkers).unwrap();
assert_eq!(region, "println!(\"hello\");");
}
#[test]
fn test_extract_zeta2_current_region_v0120_with_cursor_marker() {
let prompt = indoc::indoc! {"
<|file_sep|>src/main.rs
<|fim_prefix|>
fn main() {
<|fim_suffix|>
}
<|fim_middle|><<<<<<< CURRENT
print<|user_cursor|>ln!(\"hello\");
=======
"};
let region =
extract_zeta2_current_region(prompt, ZetaVersion::V0120GitMergeMarkers).unwrap();
assert_eq!(region, "println!(\"hello\");");
}
}