898e2e53ae
Object spread expressions like { ...t, pending: false } were getting
spurious this. prefix applied to keys (this.pending: false), causing
3 tsc errors (TS1005: ':' expected). Fix: extract object literals
containing spread before Step 3 identifier rewriting, then restore.
Results: TigerBeetle TS errors reduced to known record-type issues (eng#11).
All 41 tests passing.
656 lines
No EOL
24 KiB
JavaScript
656 lines
No EOL
24 KiB
JavaScript
import fs from 'fs';
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/**
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* Parse a .speck file and return the AST
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*/
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export function parseSpeckFile(filePath) {
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const content = fs.readFileSync(filePath, 'utf-8');
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return parseSpeckContent(content, filePath);
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}
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/**
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* Parse SpeckDL content and return the AST
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*/
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export function parseSpeckContent(content, filePath) {
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const specks = [];
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const lines = content.split('\n');
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let i = 0;
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while (i < lines.length) {
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const line = lines[i].trim();
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// Skip empty lines and comments
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if (!line || line.startsWith('//') || line.startsWith('/*')) {
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i++;
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continue;
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}
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// Handle import statements
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if (line.startsWith('import ')) {
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const importNode = parseImportStatement(line);
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// Import is a special case - it's not part of a speck
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// We'll handle it separately in a future update
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i++;
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continue;
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}
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// Handle speck definitions
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if (line.startsWith('speck ')) {
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const speck = parseSpeck(lines, i);
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if (speck) {
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specks.push(speck);
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// Move index past the speck we just parsed
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i++; // Increment by 1, the loop will continue from next line
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}
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else {
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i++;
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}
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continue;
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}
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i++;
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}
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return { specks };
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}
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function parseSpeck(lines, startIndex) {
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const headerMatch = lines[startIndex].match(/^speck\s+([\w-]+)\s*{/);
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if (!headerMatch)
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return null;
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const name = headerMatch[1];
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const members = [];
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let i = startIndex + 1;
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let braceCount = 1;
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while (i < lines.length && braceCount > 0) {
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const rawLine = lines[i];
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const line = rawLine.trim();
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if (!line || line.startsWith('//') || line.startsWith('/*')) {
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i++;
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continue;
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}
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// Count braces on this line first
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const openCount = (rawLine.match(/{/g) || []).length;
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const closeCount = (rawLine.match(/}/g) || []).length;
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// Check for block-opening members
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const blockStarters = ['state:', 'init:', 'action ', 'event ', 'provenance ', 'bom ', 'interface ',
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'state {', 'init {'];
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const isBlockStarter = blockStarters.some(s => line.startsWith(s));
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if (isBlockStarter && openCount > 0) {
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// Multi-line block: parse it and skip to its end
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const member = parseMemberBlock(lines, i);
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if (member) {
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members.push(member);
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}
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// Skip past this block
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const endIdx = findBlockEnd(lines, i + 1, braceCount + openCount);
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i = endIdx + 1;
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continue;
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}
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// Single-line: update brace count, then parse if still inside
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braceCount += openCount - closeCount;
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if (braceCount <= 0) {
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i++;
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break;
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}
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const member = parseMember(line);
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if (member) {
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members.push(member);
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}
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i++;
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}
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return { type: 'speck', name, members };
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}
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function findBlockEnd(lines, startIndex, startBraceCount) {
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let braceCount = startBraceCount;
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let i = startIndex;
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while (i < lines.length) {
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const line = lines[i];
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for (const ch of line) {
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if (ch === '{')
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braceCount++;
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if (ch === '}') {
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braceCount--;
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if (braceCount < startBraceCount) {
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return i;
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}
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}
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}
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i++;
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}
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return i;
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}
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function parseMemberBlock(lines, startIndex) {
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const firstLine = lines[startIndex].trim();
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const startBraceCount = (firstLine.match(/{/g) || []).length;
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if (firstLine.startsWith('state:')) {
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return parseStateBlockMultiline(lines, startIndex, startBraceCount);
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}
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if (firstLine.startsWith('state {') || firstLine === 'state') {
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return parseStateBlockMultiline(lines, startIndex, startBraceCount);
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}
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if (firstLine.startsWith('init:')) {
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return parseInitBlockMultiline(lines, startIndex, startBraceCount);
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}
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if (firstLine.startsWith('init {') || firstLine === 'init') {
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return parseInitBlockMultiline(lines, startIndex, startBraceCount);
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}
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if (firstLine.startsWith('action ')) {
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return parseActionBlockMultiline(lines, startIndex, startBraceCount);
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}
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if (firstLine.startsWith('event ')) {
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return parseEventBlockMultiline(lines, startIndex, startBraceCount);
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}
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if (firstLine.startsWith('interface ')) {
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return parseInterfaceBlockMultiline(lines, startIndex, startBraceCount);
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}
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if (firstLine.startsWith('provenance ')) {
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return { type: 'provenance', clauses: [] };
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}
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if (firstLine.startsWith('bom ')) {
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return { type: 'bom' };
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}
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return null;
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}
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function parseMember(line) {
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// input:
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if (line.startsWith('input:')) {
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const typeExpr = parseTypeExpr(line.substring(6).trim());
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return { type: 'input', typeExpr };
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}
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// output:
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if (line.startsWith('output:')) {
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const typeExpr = parseTypeExpr(line.substring(7).trim());
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return { type: 'output', typeExpr };
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}
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// constraint:
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if (line.startsWith('constraint:')) {
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return { type: 'constraint', expr: line.substring(11).trim() };
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}
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// verify:
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if (line.startsWith('verify:')) {
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return { type: 'verify', temporalExpr: line.substring(7).trim() };
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}
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// interface:
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if (line.startsWith('interface ')) {
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return parseInterface(line);
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}
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// event:
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if (line.startsWith('event ')) {
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return parseEvent(line);
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}
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// provenance {
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if (line.startsWith('provenance ')) {
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return { type: 'provenance', clauses: [] };
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}
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// review:
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if (line.startsWith('review:')) {
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const kind = line.substring(7).trim();
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return { type: 'review', kind };
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}
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// derives from:
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if (line.startsWith('derives from ')) {
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return parseDerives(line);
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}
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// satisfies:
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if (line.startsWith('satisfies ')) {
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return parseSatisfies(line);
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}
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// author:
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if (line.startsWith('author:')) {
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return parseAuthor(line);
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}
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// source:
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if (line.startsWith('source:')) {
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return parseSource(line);
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}
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// state: or state {
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if (line.startsWith('state:')) {
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const varsStr = line.substring(6).trim();
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// state: { ... } - single-line form
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if (varsStr.startsWith('{') && varsStr.endsWith('}')) {
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const inner = varsStr.slice(1, -1).trim();
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return parseStateBlock(inner);
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}
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// state: { - multi-line opening (handled by parseStateMultiline)
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return { type: 'state', variables: [] };
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}
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if (line.startsWith('state {') || line === 'state') {
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// state { ... } inline or state { on its own line (handled by parseMemberBlock)
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if (line.startsWith('state {')) {
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const inner = line.substring(6).trim();
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const content = inner.startsWith('{') ? inner.slice(1).trim() : inner;
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if (content.endsWith('}')) {
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return parseStateBlock(content.slice(0, -1).trim());
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}
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}
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return { type: 'state', variables: [] };
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}
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// init: or init {
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if (line.startsWith('init:')) {
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const initStr = line.substring(5).trim();
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if (initStr.startsWith('{') && initStr.endsWith('}')) {
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const inner = initStr.slice(1, -1).trim();
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return parseInitBlock(inner);
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}
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return { type: 'init', assignments: [] };
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}
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if (line.startsWith('init {') || line === 'init') {
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// init { ... } inline
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if (line.startsWith('init {')) {
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const inner = line.substring(5).trim();
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const content = inner.startsWith('{') ? inner.slice(1).trim() : inner;
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if (content.endsWith('}')) {
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return parseInitBlock(content.slice(0, -1).trim());
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}
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}
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return { type: 'init', assignments: [] };
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}
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// action keyword
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if (line.startsWith('action ')) {
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return parseActionHeader(line);
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}
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// bom {
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if (line.startsWith('bom ')) {
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// Simplified - full BOM block parsing would need multi-line context
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return {
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type: 'bom',
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};
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}
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return null;
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}
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function parseStateBlock(inner) {
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const variables = [];
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if (!inner.trim())
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return { type: 'state', variables };
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const varStrs = inner.split(/;|\n/).map(s => s.trim()).filter(Boolean);
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for (const vStr of varStrs) {
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const withDefault = vStr.match(/^(\w+)\s*:\s*(.+?)\s*:=\s*(.+)$/);
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if (withDefault) {
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variables.push({
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name: withDefault[1],
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typeExpr: parseTypeExpr(withDefault[2].trim()),
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defaultInit: withDefault[3].trim(),
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});
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continue;
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}
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const withoutDefault = vStr.match(/^(\w+)\s*:\s*(.+)$/);
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if (withoutDefault) {
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variables.push({
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name: withoutDefault[1],
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typeExpr: parseTypeExpr(withoutDefault[2].trim()),
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});
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}
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}
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return { type: 'state', variables };
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}
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function parseInitBlock(inner) {
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const assignments = [];
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if (!inner.trim())
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return { type: 'init', assignments };
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const assignStrs = inner.split(/;|\n/).map(s => s.trim()).filter(Boolean);
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for (const aStr of assignStrs) {
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const match = aStr.match(/^(\w+)\s*:=\s*(.+)$/);
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if (match) {
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assignments.push({ name: match[1], expr: match[2].trim() });
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}
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}
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return { type: 'init', assignments };
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}
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function parseActionHeader(line) {
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const match = line.match(/^action\s+(\w+)\s*(?:\(([^)]*)\))?\s*\{/);
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if (!match)
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return null;
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const name = match[1];
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const paramsStr = match[2] || '';
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const params = [];
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if (paramsStr.trim()) {
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const paramPairs = paramsStr.split(',').map(s => s.trim()).filter(Boolean);
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for (const p of paramPairs) {
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const pMatch = p.match(/^(\w+)\s*:\s*(.+)$/);
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if (pMatch) {
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params.push({ name: pMatch[1], type: parseTypeExpr(pMatch[2].trim()) });
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}
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}
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}
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return { type: 'action', name, params, statements: [] };
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}
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function parseImportStatement(line) {
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const match = line.match(/^import\s+(['"])(.+?)\1(?:\s+as\s+(\w+))?(?:\s+version\s+(['"])(.+?)\4)?(?:\s+hash\s+(['"])(.+?)\6)?/);
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if (!match) {
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throw new Error(`Failed to parse import statement: ${line}`);
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}
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const [, , path, , alias, , version, , hash] = match;
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return {
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type: 'import',
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path,
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alias,
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version: version || undefined,
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hash: hash || undefined,
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};
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}
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function parseTypeExpr(expr) {
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expr = expr.trim();
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// Primitive types
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const primitives = ['Nat', 'Int', 'Real', 'Bool', 'String', 'Bytes'];
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if (primitives.includes(expr)) {
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return { type: 'primitive', name: expr };
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}
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// List<T>
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if (expr.startsWith('List<') && expr.endsWith('>')) {
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const inner = expr.substring(5, expr.length - 1).trim();
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return { type: 'list', elementType: parseTypeExpr(inner) };
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}
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// Set<T>
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if (expr.startsWith('Set<') && expr.endsWith('>')) {
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const inner = expr.substring(4, expr.length - 1).trim();
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return { type: 'set', elementType: parseTypeExpr(inner) };
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}
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// Map<K, V>
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if (expr.startsWith('Map<') && expr.endsWith('>')) {
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const inner = expr.substring(4, expr.length - 1);
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// Find the first-level comma (not inside nested generics)
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let depth = 0;
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let commaIdx = -1;
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for (let i = 0; i < inner.length; i++) {
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if (inner[i] === '<')
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depth++;
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else if (inner[i] === '>')
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depth--;
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else if (inner[i] === ',' && depth === 0) {
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commaIdx = i;
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break;
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}
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}
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if (commaIdx !== -1) {
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const keyStr = inner.substring(0, commaIdx).trim();
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const valStr = inner.substring(commaIdx + 1).trim();
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return { type: 'map', keyType: parseTypeExpr(keyStr), valueType: parseTypeExpr(valStr) };
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}
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// Fallback: treat as ident if malformed
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return { type: 'ident', name: expr };
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}
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// List(T) — parenthetical syntax (SpeckDL canonical form)
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if (expr.startsWith('List(') && expr.endsWith(')')) {
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const inner = expr.substring(5, expr.length - 1).trim();
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return { type: 'list', elementType: parseTypeExpr(inner) };
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}
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// Set(T) — parenthetical syntax (SpeckDL canonical form)
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if (expr.startsWith('Set(') && expr.endsWith(')')) {
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const inner = expr.substring(4, expr.length - 1).trim();
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return { type: 'set', elementType: parseTypeExpr(inner) };
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}
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// Map(K, V) — parenthetical syntax (SpeckDL canonical form)
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if (expr.startsWith('Map(') && expr.endsWith(')')) {
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const inner = expr.substring(4, expr.length - 1);
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let depth = 0;
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let commaIdx = -1;
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for (let i = 0; i < inner.length; i++) {
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if (inner[i] === '(' || inner[i] === '<')
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depth++;
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else if (inner[i] === ')' || inner[i] === '>')
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depth--;
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else if (inner[i] === ',' && depth === 0) {
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commaIdx = i;
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break;
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}
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}
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if (commaIdx !== -1) {
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const keyStr = inner.substring(0, commaIdx).trim();
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const valStr = inner.substring(commaIdx + 1).trim();
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return { type: 'map', keyType: parseTypeExpr(keyStr), valueType: parseTypeExpr(valStr) };
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}
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// Fallback: treat as ident if malformed
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return { type: 'ident', name: expr };
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}
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// List type: [T]
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if (expr.startsWith('[') && expr.endsWith(']')) {
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const elementType = parseTypeExpr(expr.substring(1, expr.length - 1));
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return { type: 'list', elementType };
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}
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// Record type: { ... }
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if (expr.startsWith('{') && expr.endsWith('}')) {
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const content = expr.substring(1, expr.length - 1).trim();
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const fields = [];
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if (content) {
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// Split by comma and parse each field
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const fieldStrs = content.split(',').map(s => s.trim());
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for (const fieldStr of fieldStrs) {
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const fieldMatch = fieldStr.match(/^(\w+)\s*:\s*(.+)$/);
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if (fieldMatch) {
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const [, name, typeStr] = fieldMatch;
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fields.push({ name, type: parseTypeExpr(typeStr.trim()) });
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}
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}
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}
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return { type: 'record', fields };
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}
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// Identifier (for interface references, etc.)
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return { type: 'ident', name: expr };
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}
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function parseInterface(line) {
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// interface Name {
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const match = line.match(/^interface\s+(\w+)\s*{/);
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if (!match) {
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throw new Error(`Failed to parse interface: ${line}`);
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}
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const name = match[1];
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// This is a simplified parser - in a real implementation, we'd need to handle multi-line interfaces
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return {
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type: 'interface',
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name,
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methods: [],
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};
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}
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function parseEvent(line) {
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// event Name {
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const match = line.match(/^event\s+(\w+)\s*{/);
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if (!match) {
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throw new Error(`Failed to parse event: ${line}`);
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}
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const name = match[1];
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return {
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type: 'event',
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name,
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fields: [],
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};
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}
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function parseProvenanceBlock(lines, line) {
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// This is a simplified parser - in a real implementation, we'd parse the full block
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return {
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type: 'provenance',
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clauses: [],
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};
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}
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function parseDerives(line) {
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// derives from Name via "rationale"
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const match = line.match(/^derives\s+from\s+(\w+(?:-\w+)*)(?:\s+via\s+(['"])(.+?)\2)?/);
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if (!match) {
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console.warn(`Failed to parse derives statement: ${line}`);
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return { type: 'derives', from: 'unknown' };
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}
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const [, from, , via] = match;
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return {
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type: 'derives',
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from,
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via: via || undefined,
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};
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}
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function parseSatisfies(line) {
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// satisfies Name [clause "X.Y.Z"]
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// e.g., satisfies RESILIENCE-REQ-01 clause "3.1.2"
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// e.g., satisfies RESILIENCE-REQ-02
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const match = line.match(/^satisfies\s+([\w-]+(?:-[\w]+)*)(?:\s+clause\s+(['"])(.+?)\2)?/);
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if (!match) {
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console.warn(`Failed to parse satisfies statement: ${line}`);
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return { type: 'satisfies', requirement: 'unknown' };
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}
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const [, requirement, , clause] = match;
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return {
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type: 'satisfies',
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requirement,
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clause: clause || undefined,
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};
|
|
}
|
|
function parseAuthor(line) {
|
|
// author: "Name" <"email">
|
|
// e.g., author: "Scott Scoble" <"scott@scoble.me">
|
|
const match = line.match(/^author:\s+(['"])(.+?)\1(?:\s+<(['"])(.+?)\3>)?/);
|
|
if (!match) {
|
|
// Try without angle brackets or with different format
|
|
console.warn(`Failed to parse author statement: ${line}`);
|
|
return { type: 'author', name: 'unknown' };
|
|
}
|
|
const [, , name, , email] = match;
|
|
return {
|
|
type: 'author',
|
|
name,
|
|
email: email || undefined,
|
|
};
|
|
}
|
|
function parseSource(line) {
|
|
// source: kind ref "identifier"
|
|
// e.g., source: architecture_review ref "AR-2024-0215"
|
|
const match = line.match(/^source:\s+(\w+)(?:\s+ref\s+(['"])(.+?)\2)?/);
|
|
if (!match) {
|
|
console.warn(`Failed to parse source statement: ${line}`);
|
|
return { type: 'source', kind: 'document' };
|
|
}
|
|
const [, kind, , ref] = match;
|
|
const validKinds = [
|
|
'conversation', 'meeting', 'document', 'regulation',
|
|
'architecture_review', 'threat_model', 'compliance_audit'
|
|
];
|
|
if (!validKinds.includes(kind)) {
|
|
console.warn(`Invalid source kind: ${kind}, defaulting to document`);
|
|
return { type: 'source', kind: 'document', ref: ref || undefined };
|
|
}
|
|
return {
|
|
type: 'source',
|
|
kind: kind,
|
|
ref: ref || undefined,
|
|
};
|
|
}
|
|
function parseStateBlockMultiline(lines, startIndex, startBraceCount) {
|
|
const endIndex = findBlockEnd(lines, startIndex + 1, startBraceCount);
|
|
const innerLines = lines.slice(startIndex + 1, endIndex).map(l => l.trim()).filter(l => l && !l.startsWith('//') && !l.startsWith('/*'));
|
|
const inner = innerLines.join('; ');
|
|
return parseStateBlock(inner);
|
|
}
|
|
function parseInitBlockMultiline(lines, startIndex, startBraceCount) {
|
|
const endIndex = findBlockEnd(lines, startIndex + 1, startBraceCount);
|
|
const innerLines = lines.slice(startIndex + 1, endIndex).map(l => l.trim()).filter(l => l && !l.startsWith('//') && !l.startsWith('/*'));
|
|
const inner = innerLines.join('; ');
|
|
return parseInitBlock(inner);
|
|
}
|
|
function parseActionBlockMultiline(lines, startIndex, startBraceCount) {
|
|
const firstLine = lines[startIndex].trim();
|
|
const header = parseActionHeader(firstLine);
|
|
if (!header)
|
|
return null;
|
|
const endIndex = findBlockEnd(lines, startIndex + 1, startBraceCount);
|
|
const bodyLines = lines.slice(startIndex + 1, endIndex).map(l => l.trim()).filter(l => l && !l.startsWith('//') && !l.startsWith('/*'));
|
|
const statements = [];
|
|
for (let i = 0; i < bodyLines.length; i++) {
|
|
const stmt = bodyLines[i];
|
|
// precondition: expr
|
|
if (stmt.startsWith('precondition:')) {
|
|
let expr = stmt.substring(13).trim();
|
|
// support 'or' continuation lines
|
|
while (i + 1 < bodyLines.length && bodyLines[i + 1].startsWith('or ')) {
|
|
i++;
|
|
expr += ' || ' + bodyLines[i].substring(3).trim();
|
|
}
|
|
statements.push({ type: 'precondition', expr });
|
|
continue;
|
|
}
|
|
// postcondition: expr
|
|
if (stmt.startsWith('postcondition:')) {
|
|
let expr = stmt.substring(14).trim();
|
|
// support 'or' continuation lines
|
|
while (i + 1 < bodyLines.length && bodyLines[i + 1].startsWith('or ')) {
|
|
i++;
|
|
expr += ' || ' + bodyLines[i].substring(3).trim();
|
|
}
|
|
statements.push({ type: 'postcondition', expr });
|
|
continue;
|
|
}
|
|
// require expr
|
|
if (stmt.startsWith('require ')) {
|
|
statements.push({ type: 'require', expr: stmt.substring(8).trim() });
|
|
continue;
|
|
}
|
|
// return expr
|
|
if (stmt.startsWith('return ')) {
|
|
statements.push({ type: 'return', expr: stmt.substring(7).trim() });
|
|
continue;
|
|
}
|
|
// emit Event { fields }
|
|
const emitMatch = stmt.match(/^emit\s+(\w+)\s*\{\s*(.*)\s*\}$/);
|
|
if (emitMatch) {
|
|
const eventName = emitMatch[1];
|
|
const fieldsStr = emitMatch[2];
|
|
const fields = [];
|
|
if (fieldsStr) {
|
|
const fieldPairs = fieldsStr.split(',').map(s => s.trim()).filter(Boolean);
|
|
for (const fp of fieldPairs) {
|
|
const colonIdx = fp.indexOf(':');
|
|
if (colonIdx > 0) {
|
|
fields.push({
|
|
name: fp.substring(0, colonIdx).trim(),
|
|
value: fp.substring(colonIdx + 1).trim(),
|
|
});
|
|
}
|
|
}
|
|
}
|
|
statements.push({ type: 'emit', event: eventName, fields });
|
|
continue;
|
|
}
|
|
// let name := expr
|
|
const letMatch = stmt.match(/^let\s+(\w+)\s*:=\s*(.+)$/);
|
|
if (letMatch) {
|
|
statements.push({ type: 'let', name: letMatch[1], expr: letMatch[2].trim() });
|
|
continue;
|
|
}
|
|
// assignment: target := expr
|
|
const assignMatch = stmt.match(/^(\w+(?:\[.*?\])?)\s*:=\s*(.+)$/);
|
|
if (assignMatch) {
|
|
statements.push({ type: 'assign', target: assignMatch[1], expr: assignMatch[2].trim() });
|
|
}
|
|
}
|
|
return { ...header, statements };
|
|
}
|
|
function parseEventBlockMultiline(lines, startIndex, startBraceCount) {
|
|
const firstLine = lines[startIndex].trim();
|
|
const header = parseEvent(firstLine);
|
|
const endIndex = findBlockEnd(lines, startIndex + 1, startBraceCount);
|
|
const innerLines = lines.slice(startIndex + 1, endIndex).map(l => l.trim()).filter(l => l && !l.startsWith('//') && !l.startsWith('/*'));
|
|
const fields = [];
|
|
for (const line of innerLines) {
|
|
const match = line.match(/^(\w+)\s*:\s*(.+?),?$/);
|
|
if (match) {
|
|
fields.push({ name: match[1], type: parseTypeExpr(match[2].replace(/,$/, '').trim()) });
|
|
}
|
|
}
|
|
return { ...header, fields };
|
|
}
|
|
function parseInterfaceBlockMultiline(lines, startIndex, startBraceCount) {
|
|
const firstLine = lines[startIndex].trim();
|
|
const header = parseInterface(firstLine);
|
|
const endIndex = findBlockEnd(lines, startIndex + 1, startBraceCount);
|
|
const innerLines = lines.slice(startIndex + 1, endIndex).map(l => l.trim()).filter(l => l && !l.startsWith('//') && !l.startsWith('/*'));
|
|
const methods = [];
|
|
for (const line of innerLines) {
|
|
// name(params) -> returnType
|
|
const match = line.match(/^(\w+)\s*\(([^)]*)\)\s*-\u003e\s*(.+?),?$/);
|
|
if (match) {
|
|
const name = match[1];
|
|
const paramsStr = match[2];
|
|
const returnTypeStr = match[3].replace(/,$/, '').trim();
|
|
const params = [];
|
|
if (paramsStr.trim()) {
|
|
const paramPairs = paramsStr.split(',').map(s => s.trim()).filter(Boolean);
|
|
for (const p of paramPairs) {
|
|
const pMatch = p.match(/^(\w+)\s*:\s*(.+)$/);
|
|
if (pMatch) {
|
|
params.push({ name: pMatch[1], type: parseTypeExpr(pMatch[2].trim()) });
|
|
}
|
|
}
|
|
}
|
|
methods.push({ name, params, returnType: parseTypeExpr(returnTypeStr) });
|
|
}
|
|
}
|
|
return { ...header, methods };
|
|
}
|
|
//# sourceMappingURL=parser.js.map
|