234 lines
9.0 KiB
JavaScript
234 lines
9.0 KiB
JavaScript
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"use strict";
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// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
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// See LICENSE in the project root for license information.
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.parseProblemMatchersJson = parseProblemMatchersJson;
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/**
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* Parse VS Code problem matcher JSON definitions into {@link IProblemMatcher} objects.
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*
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* @public
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*/
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function parseProblemMatchersJson(problemMatchers) {
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const result = [];
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for (const matcher of problemMatchers) {
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const problemPatterns = Array.isArray(matcher.pattern)
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? matcher.pattern
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: [matcher.pattern];
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if (problemPatterns.length === 0) {
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continue;
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}
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const name = matcher.name;
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const defaultSeverity = matcher.severity;
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const compiled = compileProblemPatterns(problemPatterns);
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if (compiled.length === 1) {
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result.push(createSingleLineMatcher(name, compiled[0], defaultSeverity));
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}
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else {
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result.push(createMultiLineMatcher(name, compiled, defaultSeverity));
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}
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}
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return result;
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}
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function toNumber(text) {
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if (!text) {
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return undefined;
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}
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const n = parseInt(text, 10);
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return isNaN(n) ? undefined : n;
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}
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function normalizeSeverity(raw) {
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if (!raw) {
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return undefined;
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}
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const lowered = raw.toLowerCase();
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// Support full words as well as common abbreviations (e.g. single-letter tokens)
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if (lowered.indexOf('err') === 0)
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return 'error';
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if (lowered.indexOf('warn') === 0)
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return 'warning';
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if (lowered.indexOf('info') === 0)
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return 'info';
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return undefined;
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}
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function compileProblemPatterns(problemPatterns) {
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return problemPatterns.map((problemPattern) => {
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let reStr = problemPattern.regexp;
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if (/\\r?\\n\$/.test(reStr) || /\\n\$/.test(reStr)) {
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// already newline aware
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}
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else if (reStr.length > 0 && reStr.charAt(reStr.length - 1) === '$') {
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reStr = reStr.slice(0, -1) + '\\r?\\n$';
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}
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else {
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reStr = reStr + '(?:\\r?\\n)';
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}
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const re = new RegExp(reStr);
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return { re, spec: problemPattern };
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});
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}
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function createEmptyCaptures() {
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return { messageParts: [] };
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}
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/**
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* Apply one pattern's regex match to the (possibly accumulating) captures.
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*/
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function applyPatternCaptures(spec, reMatch, captures, defaultSeverity) {
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if (spec.file && reMatch[spec.file]) {
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captures.file = reMatch[spec.file];
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}
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if (spec.location && reMatch[spec.location]) {
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const loc = reMatch[spec.location];
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const parts = loc.split(/[,.:]/).filter((s) => s.length > 0);
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if (parts.length === 1) {
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captures.line = toNumber(parts[0]);
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}
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else if (parts.length === 2) {
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captures.line = toNumber(parts[0]);
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captures.column = toNumber(parts[1]);
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}
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else if (parts.length === 4) {
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captures.line = toNumber(parts[0]);
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captures.column = toNumber(parts[1]);
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captures.endLine = toNumber(parts[2]);
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captures.endColumn = toNumber(parts[3]);
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}
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}
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else {
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if (spec.line && reMatch[spec.line]) {
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captures.line = toNumber(reMatch[spec.line]);
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}
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if (spec.column && reMatch[spec.column]) {
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captures.column = toNumber(reMatch[spec.column]);
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}
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}
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if (spec.endLine && reMatch[spec.endLine]) {
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captures.endLine = toNumber(reMatch[spec.endLine]);
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}
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if (spec.endColumn && reMatch[spec.endColumn]) {
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captures.endColumn = toNumber(reMatch[spec.endColumn]);
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}
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if (spec.severity && reMatch[spec.severity]) {
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captures.severity = normalizeSeverity(reMatch[spec.severity]) || defaultSeverity;
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}
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else if (!captures.severity && defaultSeverity) {
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captures.severity = defaultSeverity;
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}
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if (spec.code && reMatch[spec.code]) {
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captures.code = reMatch[spec.code];
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}
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if (spec.message && reMatch[spec.message]) {
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captures.messageParts.push(reMatch[spec.message]);
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}
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}
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function finalizeProblem(matcherName, captures, defaultSeverity) {
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// For multi-line patterns, use only the last non-empty message part
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const message = captures.messageParts.length > 0 ? captures.messageParts[captures.messageParts.length - 1] : '';
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return {
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matcherName,
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file: captures.file,
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line: captures.line,
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column: captures.column,
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endLine: captures.endLine,
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endColumn: captures.endColumn,
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severity: captures.severity || defaultSeverity,
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code: captures.code,
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message: message
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};
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}
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function createSingleLineMatcher(name, compiled, defaultSeverity) {
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const { re, spec } = compiled;
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return {
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name,
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exec(line) {
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const match = re.exec(line);
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if (!match) {
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return false;
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}
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const captures = createEmptyCaptures();
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applyPatternCaptures(spec, match, captures, defaultSeverity);
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return finalizeProblem(name, captures, defaultSeverity);
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}
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};
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}
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function createMultiLineMatcher(name, compiled, defaultSeverity) {
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// currentIndex points to the next pattern we expect to match. When it equals compiled.length
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// and the last pattern is a loop, we are in a special "loop state" where additional lines
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// should be attempted against only the last pattern to emit more problems.
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let currentIndex = 0;
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const lastSpec = compiled[compiled.length - 1].spec;
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const lastIsLoop = !!lastSpec.loop;
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let captures = createEmptyCaptures();
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return {
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name,
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exec(line) {
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let effectiveMatch = null;
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let effectiveSpec;
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// Determine matching behavior based on current state
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if (currentIndex === compiled.length && lastIsLoop) {
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// Loop state: only try to match the last pattern
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const lastPattern = compiled[compiled.length - 1];
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effectiveMatch = lastPattern.re.exec(line);
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if (!effectiveMatch) {
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// Exit loop state and reset for a potential new sequence
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currentIndex = 0;
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captures = createEmptyCaptures();
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// Attempt to treat this line as a fresh start (pattern 0)
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const first = compiled[0];
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const fresh = first.re.exec(line);
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if (!fresh) {
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return false;
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}
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effectiveMatch = fresh;
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effectiveSpec = first.spec;
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currentIndex = compiled.length > 1 ? 1 : compiled.length;
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}
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else {
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effectiveSpec = lastPattern.spec;
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// currentIndex remains compiled.length (loop state) until we decide to emit
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}
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}
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else {
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// Normal multi-line progression state
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const active = compiled[currentIndex];
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const reMatch = active.re.exec(line);
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if (!reMatch) {
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// Reset and maybe attempt new start
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currentIndex = 0;
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captures = createEmptyCaptures();
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const { re: re0, spec: spec0 } = compiled[0];
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const restartMatch = re0.exec(line);
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if (!restartMatch) {
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return false;
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}
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effectiveMatch = restartMatch;
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effectiveSpec = spec0;
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currentIndex = compiled.length > 1 ? 1 : compiled.length;
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}
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else {
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effectiveMatch = reMatch;
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effectiveSpec = active.spec;
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currentIndex++;
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}
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}
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applyPatternCaptures(effectiveSpec, effectiveMatch, captures, defaultSeverity);
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// If we haven't matched all patterns yet (and not in loop state), wait for more lines
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if (currentIndex < compiled.length) {
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return false;
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}
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// We have matched the full sequence (either first completion or a loop iteration)
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const problem = finalizeProblem(name, captures, defaultSeverity);
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if (lastIsLoop) {
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// Stay in loop state; reset fields that accumulate per problem but retain other context (e.g., file if first pattern captured it?)
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// For safety, if the last pattern provided the file each iteration we keep overwriting anyway.
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captures.messageParts = [];
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// Do not clear entire captures to allow preceding pattern data (e.g., summary) to persist if desirable.
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}
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else {
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currentIndex = 0;
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captures = createEmptyCaptures();
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}
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return problem;
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}
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};
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}
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//# sourceMappingURL=ProblemMatcher.js.map
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