220 lines
9.6 KiB
JavaScript
220 lines
9.6 KiB
JavaScript
"use strict";
|
|
/*
|
|
* Copyright 2016 Palantir Technologies, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
var ts = require("typescript");
|
|
var util_1 = require("util");
|
|
var lines_1 = require("./lines");
|
|
var lintError_1 = require("./lintError");
|
|
var scanner;
|
|
function getTypescriptVersionRequirement(text) {
|
|
var lines = text.split(/\r?\n/);
|
|
var firstLine = lines_1.parseLine(lines[0]);
|
|
if (firstLine instanceof lines_1.MessageSubstitutionLine && firstLine.key === "typescript") {
|
|
return firstLine.message;
|
|
}
|
|
return undefined;
|
|
}
|
|
exports.getTypescriptVersionRequirement = getTypescriptVersionRequirement;
|
|
/**
|
|
* Takes the full text of a .lint file and returns the contents of the file
|
|
* with all error markup removed
|
|
*/
|
|
function removeErrorMarkup(text) {
|
|
var textWithMarkup = text.split("\n");
|
|
var lines = textWithMarkup.map(lines_1.parseLine);
|
|
var codeText = lines.filter(function (line) { return (line instanceof lines_1.CodeLine); }).map(function (line) { return line.contents; });
|
|
return codeText.join("\n");
|
|
}
|
|
exports.removeErrorMarkup = removeErrorMarkup;
|
|
/* tslint:disable:object-literal-sort-keys */
|
|
/**
|
|
* Takes the full text of a .lint file and returns an array of LintErrors
|
|
* corresponding to the error markup in the file.
|
|
*/
|
|
function parseErrorsFromMarkup(text) {
|
|
var textWithMarkup = text.split("\n");
|
|
var lines = textWithMarkup.map(lines_1.parseLine);
|
|
if (lines.length > 0 && !(lines[0] instanceof lines_1.CodeLine)) {
|
|
throw lintError_1.lintSyntaxError("text cannot start with an error mark line.");
|
|
}
|
|
var messageSubstitutionLines = lines.filter(function (l) { return l instanceof lines_1.MessageSubstitutionLine; });
|
|
var messageSubstitutions = new Map();
|
|
for (var _i = 0, messageSubstitutionLines_1 = messageSubstitutionLines; _i < messageSubstitutionLines_1.length; _i++) {
|
|
var _a = messageSubstitutionLines_1[_i], key = _a.key, message = _a.message;
|
|
messageSubstitutions.set(key, formatMessage(messageSubstitutions, message));
|
|
}
|
|
// errorLineForCodeLine[5] contains all the ErrorLine objects associated with the 5th line of code, for example
|
|
var errorLinesForCodeLines = createCodeLineNoToErrorsMap(lines);
|
|
var lintErrors = [];
|
|
function addError(errorLine, errorStartPos, lineNo) {
|
|
lintErrors.push({
|
|
startPos: errorStartPos,
|
|
endPos: { line: lineNo, col: errorLine.endCol },
|
|
message: substituteMessage(messageSubstitutions, errorLine.message),
|
|
});
|
|
}
|
|
// for each line of code...
|
|
errorLinesForCodeLines.forEach(function (errorLinesForLineOfCode, lineNo) {
|
|
// for each error marking on that line...
|
|
while (errorLinesForLineOfCode.length > 0) {
|
|
var errorLine = errorLinesForLineOfCode.shift();
|
|
var errorStartPos = { line: lineNo, col: errorLine.startCol };
|
|
// if the error starts and ends on this line, add it now to list of errors
|
|
if (errorLine instanceof lines_1.EndErrorLine) {
|
|
addError(errorLine, errorStartPos, lineNo);
|
|
// if the error is the start of a multiline error
|
|
}
|
|
else if (errorLine instanceof lines_1.MultilineErrorLine) {
|
|
// iterate through the MultilineErrorLines until we get to an EndErrorLine
|
|
for (var nextLineNo = lineNo + 1;; ++nextLineNo) {
|
|
if (!isValidErrorMarkupContinuation(errorLinesForCodeLines, nextLineNo)) {
|
|
throw lintError_1.lintSyntaxError("Error mark starting at " + errorStartPos.line + ":" + errorStartPos.col + " does not end correctly.");
|
|
}
|
|
else {
|
|
var nextErrorLine = errorLinesForCodeLines[nextLineNo].shift();
|
|
// if end of multiline error, add it it list of errors
|
|
if (nextErrorLine instanceof lines_1.EndErrorLine) {
|
|
addError(nextErrorLine, errorStartPos, nextLineNo);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
});
|
|
lintErrors.sort(lintError_1.errorComparator);
|
|
return lintErrors;
|
|
}
|
|
exports.parseErrorsFromMarkup = parseErrorsFromMarkup;
|
|
/**
|
|
* Process `message` as follows:
|
|
* - search `substitutions` for an exact match and return the substitution
|
|
* - try to format the message when it looks like: name % ('substitution1' [, "substitution2" [, ...]])
|
|
* - or return it unchanged
|
|
*/
|
|
function substituteMessage(templates, message) {
|
|
var substitution = templates.get(message);
|
|
if (substitution !== undefined) {
|
|
return substitution;
|
|
}
|
|
return formatMessage(templates, message);
|
|
}
|
|
/**
|
|
* Tries to format the message when it has the correct format or returns it unchanged: name % ('substitution1' [, "substitution2" [, ...]])
|
|
* Where `name` is the name of a message substitution that is used as template.
|
|
* If `name` is not found in `templates`, `message` is returned unchanged.
|
|
*/
|
|
function formatMessage(templates, message) {
|
|
var formatMatch = /^([-\w]+) % \((.+)\)$/.exec(message);
|
|
if (formatMatch !== null) {
|
|
var template = templates.get(formatMatch[1]);
|
|
if (template !== undefined) {
|
|
var formatArgs = parseFormatArguments(formatMatch[2]);
|
|
if (formatArgs !== undefined) {
|
|
message = util_1.format.apply(void 0, [template].concat(formatArgs));
|
|
}
|
|
}
|
|
}
|
|
return message;
|
|
}
|
|
/**
|
|
* Parse a list of comma separated string literals.
|
|
* This function bails out if it sees something unexpected.
|
|
* Whitespace between tokens is ignored.
|
|
* Trailing comma is allowed.
|
|
*/
|
|
function parseFormatArguments(text) {
|
|
if (scanner === undefined) {
|
|
// once the scanner is created, it is cached for subsequent calls
|
|
scanner = ts.createScanner(ts.ScriptTarget.Latest, false);
|
|
}
|
|
scanner.setText(text);
|
|
var result = [];
|
|
var expectValue = true;
|
|
for (var token = scanner.scan(); token !== ts.SyntaxKind.EndOfFileToken; token = scanner.scan()) {
|
|
if (token === ts.SyntaxKind.StringLiteral) {
|
|
if (!expectValue) {
|
|
return undefined;
|
|
}
|
|
result.push(scanner.getTokenValue());
|
|
expectValue = false;
|
|
}
|
|
else if (token === ts.SyntaxKind.CommaToken) {
|
|
if (expectValue) {
|
|
return undefined;
|
|
}
|
|
expectValue = true;
|
|
}
|
|
else if (token !== ts.SyntaxKind.WhitespaceTrivia) {
|
|
// only ignore whitespace, other trivia like comments makes this function bail out
|
|
return undefined;
|
|
}
|
|
}
|
|
return result.length === 0 ? undefined : result;
|
|
}
|
|
function createMarkupFromErrors(code, lintErrors) {
|
|
lintErrors.sort(lintError_1.errorComparator);
|
|
var codeText = code.split("\n");
|
|
var errorLinesForCodeText = codeText.map(function () { return []; });
|
|
for (var _i = 0, lintErrors_1 = lintErrors; _i < lintErrors_1.length; _i++) {
|
|
var error = lintErrors_1[_i];
|
|
var startPos = error.startPos, endPos = error.endPos, message = error.message;
|
|
if (startPos.line === endPos.line) {
|
|
// single line error
|
|
errorLinesForCodeText[startPos.line].push(new lines_1.EndErrorLine(startPos.col, endPos.col, message));
|
|
}
|
|
else {
|
|
// multiline error
|
|
errorLinesForCodeText[startPos.line].push(new lines_1.MultilineErrorLine(startPos.col));
|
|
for (var lineNo = startPos.line + 1; lineNo < endPos.line; ++lineNo) {
|
|
errorLinesForCodeText[lineNo].push(new lines_1.MultilineErrorLine(0));
|
|
}
|
|
errorLinesForCodeText[endPos.line].push(new lines_1.EndErrorLine(0, endPos.col, message));
|
|
}
|
|
}
|
|
var finalText = combineCodeTextAndErrorLines(codeText, errorLinesForCodeText);
|
|
return finalText.join("\n");
|
|
}
|
|
exports.createMarkupFromErrors = createMarkupFromErrors;
|
|
/* tslint:enable:object-literal-sort-keys */
|
|
function combineCodeTextAndErrorLines(codeText, errorLinesForCodeText) {
|
|
return codeText.reduce(function (resultText, code, i) {
|
|
resultText.push(code);
|
|
var errorPrintLines = errorLinesForCodeText[i].map(function (line) { return lines_1.printLine(line, code); }).filter(function (line) { return line !== null; });
|
|
resultText.push.apply(resultText, errorPrintLines);
|
|
return resultText;
|
|
}, []);
|
|
}
|
|
function createCodeLineNoToErrorsMap(lines) {
|
|
var errorLinesForCodeLine = [];
|
|
for (var _i = 0, lines_2 = lines; _i < lines_2.length; _i++) {
|
|
var line = lines_2[_i];
|
|
if (line instanceof lines_1.CodeLine) {
|
|
errorLinesForCodeLine.push([]);
|
|
}
|
|
else if (line instanceof lines_1.ErrorLine) {
|
|
errorLinesForCodeLine[errorLinesForCodeLine.length - 1].push(line);
|
|
}
|
|
}
|
|
return errorLinesForCodeLine;
|
|
}
|
|
function isValidErrorMarkupContinuation(errorLinesForCodeLines, lineNo) {
|
|
return lineNo < errorLinesForCodeLines.length
|
|
&& errorLinesForCodeLines[lineNo].length !== 0
|
|
&& errorLinesForCodeLines[lineNo][0].startCol === 0;
|
|
}
|