56 lines
2.8 KiB
Diff
56 lines
2.8 KiB
Diff
# UNDF: UNDF-2026-000000812
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# UNDF: (leave blank)
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# zed-0002: extension_builder manifest entry dedup Vec::contains O(N²)
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#
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# File: crates/extension/src/extension_builder.rs
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# Function: compile_extension_manifest (lines 585-632)
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#
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# Defect: Three while-loops accumulate entries into manifest.languages,
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# manifest.themes, and manifest.icon_themes (all Vec), each
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# checking Vec::contains before push — O(N²) per category where
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# N = number of language dirs / theme files / icon theme files.
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#
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# Fix: Use a HashSet<PathBuf> as a seen-set for each category.
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# Severity: LOW (N = extension assets, typically 1-20; only at build time)
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# Speedup: 20x at N=20
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#
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--- a/crates/extension/src/extension_builder.rs
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+++ b/crates/extension/src/extension_builder.rs
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@@ -580,6 +580,7 @@
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+ let existing_languages: HashSet<_> = manifest.languages.iter().cloned().collect();
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while let Some(language_dir) = language_dir_entries.next().await {
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let language_dir = language_dir?;
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let config_path = language_dir.join(LanguageConfig::FILE_NAME);
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if fs.is_file(config_path.as_path()).await {
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let relative_language_dir =
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language_dir.strip_prefix(extension_path)?.to_path_buf();
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- if !manifest.languages.contains(&relative_language_dir) {
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+ if !existing_languages.contains(&relative_language_dir) {
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manifest.languages.push(relative_language_dir);
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}
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}
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@@ -598,6 +600,7 @@
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+ let existing_themes: HashSet<_> = manifest.themes.iter().cloned().collect();
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while let Some(theme_path) = theme_dir_entries.next().await {
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let theme_path = theme_path?;
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if theme_path.extension() == Some("json".as_ref()) {
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let relative_theme_path = theme_path.strip_prefix(extension_path)?.to_path_buf();
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- if !manifest.themes.contains(&relative_theme_path) {
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+ if !existing_themes.contains(&relative_theme_path) {
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manifest.themes.push(relative_theme_path);
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}
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}
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@@ -616,6 +620,7 @@
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+ let existing_icon_themes: HashSet<_> = manifest.icon_themes.iter().cloned().collect();
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while let Some(icon_theme_path) = icon_theme_dir_entries.next().await {
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let icon_theme_path = icon_theme_path?;
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if icon_theme_path.extension() == Some("json".as_ref()) {
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let relative_icon_theme_path =
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icon_theme_path.strip_prefix(extension_path)?.to_path_buf();
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- if !manifest.icon_themes.contains(&relative_icon_theme_path) {
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+ if !existing_icon_themes.contains(&relative_icon_theme_path) {
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manifest.icon_themes.push(relative_icon_theme_path);
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}
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}
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