implements PLN-0074
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@ -1,5 +1,5 @@
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{"type":"meta","next_id":{"DSC":35,"AGD":38,"DEC":35,"PLN":75,"LSN":47,"CLSN":1}}
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{"type":"discussion","id":"DSC-0034","status":"in_progress","ticket":"frontend-semantic-host-projection-flexibility","title":"Frontend semantic vocabulary flexibility and declarative host projection","created_at":"2026-05-06","updated_at":"2026-05-06","tags":["compiler","compiler-general","frontend","semantics","vscode","host-projection","lsp"],"agendas":[{"id":"AGD-0037","file":"AGD-0037-frontend-semantic-host-projection-flexibility.md","status":"accepted","created_at":"2026-05-06","updated_at":"2026-05-06"}],"decisions":[{"id":"DEC-0034","file":"DEC-0034-frontend-semantic-host-projection-flexibility.md","status":"accepted","created_at":"2026-05-06","updated_at":"2026-05-06","ref_agenda":"AGD-0037"}],"plans":[{"id":"PLN-0072","file":"PLN-0072-frontend-semantic-host-projection-contract.md","status":"done","created_at":"2026-05-06","updated_at":"2026-05-06","ref_decisions":["DEC-0034"]},{"id":"PLN-0073","file":"PLN-0073-lsp-semantic-host-projection-transport.md","status":"done","created_at":"2026-05-06","updated_at":"2026-05-06","ref_decisions":["DEC-0034"]},{"id":"PLN-0074","file":"PLN-0074-vscode-semantic-host-projection-adapter.md","status":"open","created_at":"2026-05-06","updated_at":"2026-05-06","ref_decisions":["DEC-0034"]}],"lessons":[]}
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{"type":"discussion","id":"DSC-0034","status":"in_progress","ticket":"frontend-semantic-host-projection-flexibility","title":"Frontend semantic vocabulary flexibility and declarative host projection","created_at":"2026-05-06","updated_at":"2026-05-06","tags":["compiler","compiler-general","frontend","semantics","vscode","host-projection","lsp"],"agendas":[{"id":"AGD-0037","file":"AGD-0037-frontend-semantic-host-projection-flexibility.md","status":"accepted","created_at":"2026-05-06","updated_at":"2026-05-06"}],"decisions":[{"id":"DEC-0034","file":"DEC-0034-frontend-semantic-host-projection-flexibility.md","status":"accepted","created_at":"2026-05-06","updated_at":"2026-05-06","ref_agenda":"AGD-0037"}],"plans":[{"id":"PLN-0072","file":"PLN-0072-frontend-semantic-host-projection-contract.md","status":"done","created_at":"2026-05-06","updated_at":"2026-05-06","ref_decisions":["DEC-0034"]},{"id":"PLN-0073","file":"PLN-0073-lsp-semantic-host-projection-transport.md","status":"done","created_at":"2026-05-06","updated_at":"2026-05-06","ref_decisions":["DEC-0034"]},{"id":"PLN-0074","file":"PLN-0074-vscode-semantic-host-projection-adapter.md","status":"done","created_at":"2026-05-06","updated_at":"2026-05-06","ref_decisions":["DEC-0034"]}],"lessons":[]}
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{"type":"discussion","id":"DSC-0033","status":"in_progress","ticket":"frontend-visual-theme-spec-and-css-retirement","title":"Frontend visual theme spec and retirement of host-consumed semantic CSS","created_at":"2026-05-06","updated_at":"2026-05-06","tags":["compiler","compiler-general","frontend","presentation","theming","studio","vscode","lsp","pbs"],"agendas":[{"id":"AGD-0036","file":"AGD-0036-frontend-visual-theme-spec-and-css-retirement.md","status":"accepted","created_at":"2026-05-06","updated_at":"2026-05-06"}],"decisions":[{"id":"DEC-0033","file":"DEC-0033-frontend-visual-theme-spec-and-css-retirement.md","status":"accepted","created_at":"2026-05-06","updated_at":"2026-05-06","ref_agenda":"AGD-0036"}],"plans":[{"id":"PLN-0068","file":"PLN-0068-frontend-visual-contract-and-pbs-migration.md","status":"open","created_at":"2026-05-06","updated_at":"2026-05-06","ref_decisions":["DEC-0033"]},{"id":"PLN-0069","file":"PLN-0069-lsp-visual-theme-transport-and-selection.md","status":"open","created_at":"2026-05-06","updated_at":"2026-05-06","ref_decisions":["DEC-0033"]},{"id":"PLN-0070","file":"PLN-0070-studio-visual-theme-adapter-and-css-retirement.md","status":"open","created_at":"2026-05-06","updated_at":"2026-05-06","ref_decisions":["DEC-0033"]},{"id":"PLN-0071","file":"PLN-0071-vscode-dynamic-theme-translation-adapter.md","status":"open","created_at":"2026-05-06","updated_at":"2026-05-06","ref_decisions":["DEC-0033"]}],"lessons":[]}
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{"type":"discussion","id":"DSC-0032","status":"in_progress","ticket":"studio-new-lsp-api-and-v1-boundary","title":"Novo boundary entre lsp-api, lsp-v1 e a extensao VS Code","created_at":"2026-05-05","updated_at":"2026-05-05","tags":["studio","lsp","vscode","protocol","api","boundary"],"agendas":[{"id":"AGD-0035","file":"AGD-0035-studio-new-lsp-api-and-v1-boundary.md","status":"accepted","created_at":"2026-05-05","updated_at":"2026-05-05"}],"decisions":[{"id":"DEC-0032","file":"DEC-0032-studio-new-lsp-api-and-v1-boundary.md","status":"accepted","created_at":"2026-05-05","updated_at":"2026-05-05","ref_agenda":"AGD-0035"}],"plans":[{"id":"PLN-0065","file":"PLN-0065-lsp-boundary-and-module-scaffolding.md","status":"done","created_at":"2026-05-05","updated_at":"2026-05-05","ref_decisions":["DEC-0032"]},{"id":"PLN-0066","file":"PLN-0066-project-scoped-lsp-server-lifecycle-in-studio.md","status":"done","created_at":"2026-05-05","updated_at":"2026-05-05","ref_decisions":["DEC-0032"]},{"id":"PLN-0067","file":"PLN-0067-compiler-backed-dumb-lsp-server-baseline.md","status":"done","created_at":"2026-05-05","updated_at":"2026-05-05","ref_decisions":["DEC-0032"]}],"lessons":[]}
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{"type":"discussion","id":"DSC-0031","status":"in_progress","ticket":"studio-editor-workspace-cleanup","title":"Limpeza completa do Workspace Editor do Studio e remoção dos acoplamentos legados","created_at":"2026-05-05","updated_at":"2026-05-05","tags":["studio","editor","cleanup","vfs","lsp","migration"],"agendas":[{"id":"AGD-0034","file":"AGD-0034-vscode-editor-migration-feasibility.md","status":"accepted","created_at":"2026-05-05","updated_at":"2026-05-05"}],"decisions":[{"id":"DEC-0031","file":"DEC-0031-studio-editor-workspace-cleanup.md","status":"in_progress","created_at":"2026-05-05","updated_at":"2026-05-05","ref_agenda":"AGD-0034"}],"plans":[{"id":"PLN-0062","file":"PLN-0062-shell-session-and-state-cleanup-after-editor-removal.md","status":"done","created_at":"2026-05-05","updated_at":"2026-05-05","ref_decisions":["DEC-0031"]},{"id":"PLN-0063","file":"PLN-0063-legacy-lsp-and-vfs-module-removal-with-runtime-preservation.md","status":"done","created_at":"2026-05-05","updated_at":"2026-05-05","ref_decisions":["DEC-0031"]},{"id":"PLN-0064","file":"PLN-0064-normative-test-and-lesson-cleanup-for-editor-stack-removal.md","status":"done","created_at":"2026-05-05","updated_at":"2026-05-05","ref_decisions":["DEC-0031"]}],"lessons":[]}
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@ -2,9 +2,9 @@
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id: PLN-0074
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ticket: frontend-semantic-host-projection-flexibility
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title: VS Code Semantic Host Projection Adapter
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status: open
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status: done
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created: 2026-05-06
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completed:
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completed: 2026-05-06
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tags: [vscode, extension, frontend, semantics, host-projection, adapter]
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---
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@ -45,6 +45,7 @@ let reconnectContext;
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let stoppingClient = false;
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let lastAppliedThemeSignature;
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const RECONNECT_DELAY_MS = 2000;
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const VSCODE_HOST_ID = "vscode";
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function activate(context) {
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reconnectContext = context;
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output = vscode.window.createOutputChannel("Prometeu LSP");
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@ -207,21 +208,30 @@ function clearReconnectTimer() {
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reconnectTimer = undefined;
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}
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async function applyPrometeuVisualTheme(initializeResult) {
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const payload = extractPrometeuVisualThemesPayload(initializeResult);
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if (!payload) {
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const visualThemesPayload = extractPrometeuVisualThemesPayload(initializeResult);
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if (!visualThemesPayload) {
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output.appendLine("Prometeu visual theme payload not present in initialize result.");
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return;
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}
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const activeTheme = payload.visualThemes.find((theme) => theme.themeId === payload.activeVisualThemeId);
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const semanticProjectionPayload = extractPrometeuSemanticHostProjectionsPayload(initializeResult);
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const vscodeProjection = selectHostProjection(semanticProjectionPayload, VSCODE_HOST_ID);
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if (!semanticProjectionPayload) {
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output.appendLine("Prometeu semantic host projection payload not present in initialize result.");
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}
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else if (!vscodeProjection) {
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output.appendLine("Prometeu semantic host projection payload does not declare a vscode projection.");
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}
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const activeTheme = visualThemesPayload.visualThemes.find((theme) => theme.themeId === visualThemesPayload.activeVisualThemeId);
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if (!activeTheme) {
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output.appendLine(`Prometeu visual theme '${payload.activeVisualThemeId}' was not declared by the server.`);
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output.appendLine(`Prometeu visual theme '${visualThemesPayload.activeVisualThemeId}' was not declared by the server.`);
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return;
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}
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const themeSignature = JSON.stringify({
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languageId: payload.frontendLanguageId,
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languageId: visualThemesPayload.frontendLanguageId,
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themeId: activeTheme.themeId,
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editorPalette: activeTheme.editorPalette,
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tokenStyles: activeTheme.tokenStyles
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tokenStyles: activeTheme.tokenStyles,
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semanticProjection: vscodeProjection ?? null
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});
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if (themeSignature === lastAppliedThemeSignature) {
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output.appendLine(`Prometeu visual theme '${activeTheme.themeId}' is already applied.`);
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@ -234,7 +244,7 @@ async function applyPrometeuVisualTheme(initializeResult) {
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const existingSemanticCustomizations = configuration.get("editor.semanticTokenColorCustomizations") ?? {};
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const semanticRules = {
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...(readObject(existingSemanticCustomizations.rules)),
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...buildSemanticTokenRules(payload.frontendLanguageId, activeTheme)
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...buildSemanticTokenRules(visualThemesPayload.frontendLanguageId, activeTheme, vscodeProjection)
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};
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await configuration.update("editor.semanticTokenColorCustomizations", {
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...existingSemanticCustomizations,
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@ -249,7 +259,7 @@ async function applyPrometeuVisualTheme(initializeResult) {
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"editorLineNumber.foreground": activeTheme.editorPalette.lineNumberForeground
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}, configurationTarget);
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lastAppliedThemeSignature = themeSignature;
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output.appendLine(`Applied Prometeu visual theme '${activeTheme.themeId}' for language '${payload.frontendLanguageId}'.`);
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output.appendLine(`Applied Prometeu visual theme '${activeTheme.themeId}' for language '${visualThemesPayload.frontendLanguageId}'.`);
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}
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function extractPrometeuVisualThemesPayload(initializeResult) {
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if (!initializeResult || typeof initializeResult !== "object") {
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@ -266,23 +276,59 @@ function extractPrometeuVisualThemesPayload(initializeResult) {
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}
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return payload;
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}
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function buildSemanticTokenRules(languageId, theme) {
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const rules = {};
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for (const tokenStyle of theme.tokenStyles) {
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const selector = `${tokenStyle.semanticKey}:${languageId}`;
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if (!tokenStyle.italic && !tokenStyle.bold && !tokenStyle.underline) {
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rules[selector] = tokenStyle.foreground;
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continue;
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function extractPrometeuSemanticHostProjectionsPayload(initializeResult) {
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if (!initializeResult || typeof initializeResult !== "object") {
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return undefined;
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}
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rules[selector] = {
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const capabilities = readObject(initializeResult.capabilities);
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const experimental = readObject(capabilities.experimental);
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const payload = readObject(experimental.prometeuSemanticHostProjections);
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if (typeof payload.frontendLanguageId !== "string" || !Array.isArray(payload.semanticKeys) || !Array.isArray(payload.hostProjections)) {
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return undefined;
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}
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return payload;
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}
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function selectHostProjection(payload, hostId) {
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if (!payload) {
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return undefined;
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}
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return payload.hostProjections.find((projection) => projection.hostId === hostId);
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}
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function buildSemanticTokenRules(languageId, theme, hostProjection) {
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const rules = {};
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const projectionBySemanticKey = new Map((hostProjection?.tokenProjections ?? []).map((projection) => [projection.semanticKey, projection]));
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for (const tokenStyle of theme.tokenStyles) {
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const styleValue = !tokenStyle.italic && !tokenStyle.bold && !tokenStyle.underline
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? tokenStyle.foreground
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: {
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foreground: tokenStyle.foreground,
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...(tokenStyle.italic ? { italic: true } : {}),
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...(tokenStyle.bold ? { bold: true } : {}),
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...(tokenStyle.underline ? { underline: true } : {})
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};
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rules[`${tokenStyle.semanticKey}:${languageId}`] = styleValue;
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const projection = projectionBySemanticKey.get(tokenStyle.semanticKey);
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if (!projection) {
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continue;
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}
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const projectedSelector = buildSemanticSelector(languageId, projection.hostTokenType, projection.hostTokenModifiers);
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if (!(projectedSelector in rules)) {
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rules[projectedSelector] = styleValue;
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}
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const fallbackSelector = buildSemanticSelector(languageId, projection.fallbackTokenType, projection.fallbackTokenModifiers);
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if (!(fallbackSelector in rules)) {
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rules[fallbackSelector] = styleValue;
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}
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}
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return rules;
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}
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function buildSemanticSelector(languageId, tokenType, modifiers) {
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const normalizedModifiers = [...modifiers].sort();
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if (normalizedModifiers.length === 0) {
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return `${tokenType}:${languageId}`;
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}
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return `${tokenType}.${normalizedModifiers.join(".")}:${languageId}`;
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}
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function readObject(value) {
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if (!value || typeof value !== "object" || Array.isArray(value)) {
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return {};
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@ -53,100 +53,6 @@
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}
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}
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},
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"semanticTokenTypes": [
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{
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"id": "pbs-comment",
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"description": "PBS comment token"
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},
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{
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"id": "pbs-string",
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"description": "PBS string token"
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},
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{
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"id": "pbs-number",
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"description": "PBS number token"
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},
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{
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"id": "pbs-literal",
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"description": "PBS literal token"
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},
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{
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"id": "pbs-lifecycle",
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"description": "PBS lifecycle token"
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},
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{
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"id": "pbs-keyword",
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"description": "PBS keyword token"
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},
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{
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"id": "pbs-operator",
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"description": "PBS operator token"
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},
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{
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"id": "pbs-punctuation",
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"description": "PBS punctuation token"
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},
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{
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"id": "pbs-function",
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"description": "PBS function token"
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},
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{
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"id": "pbs-method",
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"description": "PBS method token"
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},
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{
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"id": "pbs-constructor",
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"description": "PBS constructor token"
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},
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{
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"id": "pbs-struct",
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"description": "PBS struct token"
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},
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{
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"id": "pbs-contract",
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"description": "PBS contract token"
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},
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{
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"id": "pbs-host",
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"description": "PBS host token"
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},
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{
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"id": "pbs-builtin-type",
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"description": "PBS builtin type token"
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},
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{
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"id": "pbs-service",
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"description": "PBS service token"
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},
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{
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"id": "pbs-error",
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"description": "PBS error token"
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},
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{
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"id": "pbs-enum",
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"description": "PBS enum token"
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},
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{
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"id": "pbs-callback",
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"description": "PBS callback token"
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},
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{
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"id": "pbs-global",
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"description": "PBS global token"
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},
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{
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"id": "pbs-const",
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"description": "PBS const token"
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},
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{
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"id": "pbs-implements",
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"description": "PBS implements token"
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},
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{
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"id": "pbs-identifier",
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"description": "PBS identifier token"
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}
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],
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"configurationDefaults": {
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"editor.semanticHighlighting.enabled": true
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}
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@ -51,6 +51,27 @@ type PrometeuVisualThemesPayload = {
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visualThemes: PrometeuVisualTheme[];
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};
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type PrometeuSemanticHostProjectionEntry = {
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semanticKey: string;
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hostTokenType: string;
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hostTokenModifiers: string[];
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fallbackTokenType: string;
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fallbackTokenModifiers: string[];
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};
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type PrometeuSemanticHostProjection = {
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hostId: string;
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tokenProjections: PrometeuSemanticHostProjectionEntry[];
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};
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type PrometeuSemanticHostProjectionsPayload = {
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frontendLanguageId: string;
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semanticKeys: string[];
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hostProjections: PrometeuSemanticHostProjection[];
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};
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const VSCODE_HOST_ID = "vscode";
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export function activate(context: vscode.ExtensionContext): void {
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reconnectContext = context;
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output = vscode.window.createOutputChannel("Prometeu LSP");
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@ -255,23 +276,31 @@ function clearReconnectTimer(): void {
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}
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async function applyPrometeuVisualTheme(initializeResult: unknown): Promise<void> {
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const payload = extractPrometeuVisualThemesPayload(initializeResult);
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if (!payload) {
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const visualThemesPayload = extractPrometeuVisualThemesPayload(initializeResult);
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if (!visualThemesPayload) {
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output.appendLine("Prometeu visual theme payload not present in initialize result.");
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return;
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}
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const semanticProjectionPayload = extractPrometeuSemanticHostProjectionsPayload(initializeResult);
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const vscodeProjection = selectHostProjection(semanticProjectionPayload, VSCODE_HOST_ID);
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if (!semanticProjectionPayload) {
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output.appendLine("Prometeu semantic host projection payload not present in initialize result.");
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} else if (!vscodeProjection) {
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output.appendLine("Prometeu semantic host projection payload does not declare a vscode projection.");
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}
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const activeTheme = payload.visualThemes.find((theme) => theme.themeId === payload.activeVisualThemeId);
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const activeTheme = visualThemesPayload.visualThemes.find((theme) => theme.themeId === visualThemesPayload.activeVisualThemeId);
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if (!activeTheme) {
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output.appendLine(`Prometeu visual theme '${payload.activeVisualThemeId}' was not declared by the server.`);
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output.appendLine(`Prometeu visual theme '${visualThemesPayload.activeVisualThemeId}' was not declared by the server.`);
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return;
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}
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const themeSignature = JSON.stringify({
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languageId: payload.frontendLanguageId,
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languageId: visualThemesPayload.frontendLanguageId,
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themeId: activeTheme.themeId,
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editorPalette: activeTheme.editorPalette,
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tokenStyles: activeTheme.tokenStyles
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tokenStyles: activeTheme.tokenStyles,
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semanticProjection: vscodeProjection ?? null
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});
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if (themeSignature === lastAppliedThemeSignature) {
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output.appendLine(`Prometeu visual theme '${activeTheme.themeId}' is already applied.`);
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@ -286,7 +315,7 @@ async function applyPrometeuVisualTheme(initializeResult: unknown): Promise<void
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const existingSemanticCustomizations = configuration.get<Record<string, unknown>>("editor.semanticTokenColorCustomizations") ?? {};
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const semanticRules = {
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...(readObject(existingSemanticCustomizations.rules)),
|
||||
...buildSemanticTokenRules(payload.frontendLanguageId, activeTheme)
|
||||
...buildSemanticTokenRules(visualThemesPayload.frontendLanguageId, activeTheme, vscodeProjection)
|
||||
};
|
||||
|
||||
await configuration.update(
|
||||
@ -312,7 +341,7 @@ async function applyPrometeuVisualTheme(initializeResult: unknown): Promise<void
|
||||
);
|
||||
|
||||
lastAppliedThemeSignature = themeSignature;
|
||||
output.appendLine(`Applied Prometeu visual theme '${activeTheme.themeId}' for language '${payload.frontendLanguageId}'.`);
|
||||
output.appendLine(`Applied Prometeu visual theme '${activeTheme.themeId}' for language '${visualThemesPayload.frontendLanguageId}'.`);
|
||||
}
|
||||
|
||||
function extractPrometeuVisualThemesPayload(initializeResult: unknown): PrometeuVisualThemesPayload | undefined {
|
||||
@ -334,27 +363,82 @@ function extractPrometeuVisualThemesPayload(initializeResult: unknown): Prometeu
|
||||
return payload as unknown as PrometeuVisualThemesPayload;
|
||||
}
|
||||
|
||||
function extractPrometeuSemanticHostProjectionsPayload(initializeResult: unknown): PrometeuSemanticHostProjectionsPayload | undefined {
|
||||
if (!initializeResult || typeof initializeResult !== "object") {
|
||||
return undefined;
|
||||
}
|
||||
|
||||
const capabilities = readObject((initializeResult as { capabilities?: unknown }).capabilities);
|
||||
const experimental = readObject(capabilities.experimental);
|
||||
const payload = readObject(experimental.prometeuSemanticHostProjections);
|
||||
|
||||
if (typeof payload.frontendLanguageId !== "string" || !Array.isArray(payload.semanticKeys) || !Array.isArray(payload.hostProjections)) {
|
||||
return undefined;
|
||||
}
|
||||
|
||||
return payload as unknown as PrometeuSemanticHostProjectionsPayload;
|
||||
}
|
||||
|
||||
function selectHostProjection(
|
||||
payload: PrometeuSemanticHostProjectionsPayload | undefined,
|
||||
hostId: string
|
||||
): PrometeuSemanticHostProjection | undefined {
|
||||
if (!payload) {
|
||||
return undefined;
|
||||
}
|
||||
return payload.hostProjections.find((projection) => projection.hostId === hostId);
|
||||
}
|
||||
|
||||
function buildSemanticTokenRules(
|
||||
languageId: string,
|
||||
theme: PrometeuVisualTheme
|
||||
theme: PrometeuVisualTheme,
|
||||
hostProjection: PrometeuSemanticHostProjection | undefined
|
||||
): Record<string, string | { foreground: string; italic?: boolean; bold?: boolean; underline?: boolean }> {
|
||||
const rules: Record<string, string | { foreground: string; italic?: boolean; bold?: boolean; underline?: boolean }> = {};
|
||||
const projectionBySemanticKey = new Map<string, PrometeuSemanticHostProjectionEntry>(
|
||||
(hostProjection?.tokenProjections ?? []).map((projection) => [projection.semanticKey, projection])
|
||||
);
|
||||
for (const tokenStyle of theme.tokenStyles) {
|
||||
const selector = `${tokenStyle.semanticKey}:${languageId}`;
|
||||
if (!tokenStyle.italic && !tokenStyle.bold && !tokenStyle.underline) {
|
||||
rules[selector] = tokenStyle.foreground;
|
||||
continue;
|
||||
}
|
||||
rules[selector] = {
|
||||
const styleValue = !tokenStyle.italic && !tokenStyle.bold && !tokenStyle.underline
|
||||
? tokenStyle.foreground
|
||||
: {
|
||||
foreground: tokenStyle.foreground,
|
||||
...(tokenStyle.italic ? { italic: true } : {}),
|
||||
...(tokenStyle.bold ? { bold: true } : {}),
|
||||
...(tokenStyle.underline ? { underline: true } : {})
|
||||
};
|
||||
rules[`${tokenStyle.semanticKey}:${languageId}`] = styleValue;
|
||||
|
||||
const projection = projectionBySemanticKey.get(tokenStyle.semanticKey);
|
||||
if (!projection) {
|
||||
continue;
|
||||
}
|
||||
|
||||
const projectedSelector = buildSemanticSelector(languageId, projection.hostTokenType, projection.hostTokenModifiers);
|
||||
if (!(projectedSelector in rules)) {
|
||||
rules[projectedSelector] = styleValue;
|
||||
}
|
||||
|
||||
const fallbackSelector = buildSemanticSelector(languageId, projection.fallbackTokenType, projection.fallbackTokenModifiers);
|
||||
if (!(fallbackSelector in rules)) {
|
||||
rules[fallbackSelector] = styleValue;
|
||||
}
|
||||
}
|
||||
return rules;
|
||||
}
|
||||
|
||||
function buildSemanticSelector(
|
||||
languageId: string,
|
||||
tokenType: string,
|
||||
modifiers: string[]
|
||||
): string {
|
||||
const normalizedModifiers = [...modifiers].sort();
|
||||
if (normalizedModifiers.length === 0) {
|
||||
return `${tokenType}:${languageId}`;
|
||||
}
|
||||
return `${tokenType}.${normalizedModifiers.join(".")}:${languageId}`;
|
||||
}
|
||||
|
||||
function readObject(value: unknown): Record<string, unknown> {
|
||||
if (!value || typeof value !== "object" || Array.isArray(value)) {
|
||||
return {};
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user