github/dbx
4
0 Fork 0
mirror of https://github.com/t8y2/dbx.git synced 2026-11-15 06:51:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

perf(editor): single-pass table name semantic coloring

Browse Source
This commit is contained in:
zipg authored and GitHub committed 2026-09-02 20:32:59 +08:00
1 parent f3258fe08a
commit 8305d63ea1
2 files changed
+18 -13
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

apps/desktop/src/lib/sql/semantic/model.ts
+8 -13
View File
@@ -131,18 +131,6 @@ function updateIntroducesMutationTarget(tokens: readonly SqlSemanticToken[], upd
return true;
}
function commaContinuesTableList(tokens: readonly SqlSemanticToken[], commaIndex: number): boolean {
const comma = tokens[commaIndex];
if (comma?.text !== ",") return false;
for (let index = commaIndex - 1; index >= 0; index -= 1) {
const item = tokens[index];
if (!item || item.depth !== comma.depth || item.kind !== "word") continue;
if (item.normalized === "from") return true;
if (item.normalized === "select" || item.normalized === "join" || TABLE_INTRODUCERS.has(item.normalized) || CLAUSE_BOUNDARIES.has(item.normalized)) return false;
}
return false;
}
/**
* Finds concrete table-name tokens for visual highlighting without consulting
* metadata. Only the final identifier in a qualified name is returned, so
@@ -153,11 +141,18 @@ export function sqlSemanticTableNameSpans(sql: string, options: SqlSemanticBuild
const tokens = significantTokens(tokenizeSqlSemantic(sql, dialect.id));
const spans: SqlSemanticSpan[] = [];
const seen = new Set<string>();
const commaContinuesTableListByDepth = new Map<number, boolean>();
for (let index = 0; index < tokens.length; index += 1) {
const item = tokens[index];
if (!item) continue;
const commaContinuesTableList = item.text === "," && commaContinuesTableListByDepth.get(item.depth) === true;
if (item.kind === "word") {
if (item.normalized === "from") commaContinuesTableListByDepth.set(item.depth, true);
else if (item.normalized === "select" || item.normalized === "join" || TABLE_INTRODUCERS.has(item.normalized) || CLAUSE_BOUNDARIES.has(item.normalized)) commaContinuesTableListByDepth.set(item.depth, false);
}
const introduced = item?.kind === "word" && TABLE_INTRODUCERS.has(item.normalized) && (item.normalized !== "update" || updateIntroducesMutationTarget(tokens, index));
if (!introduced && !commaContinuesTableList(tokens, index)) continue;
if (!introduced && !commaContinuesTableList) continue;
let target = index + 1;
while (TABLE_TARGET_MODIFIERS.has(tokens[target]?.normalized ?? "")) target += 1;