mirror of
https://github.com/overleaf/overleaf.git
synced 2024-12-04 23:46:00 -05:00
b9a8a7f7ec
GitOrigin-RevId: 4f66c6576571c4fbb7381d8d0e34f2e468d6f34f
399 lines
11 KiB
JavaScript
399 lines
11 KiB
JavaScript
// Define some constants
|
|
const LOG_WRAP_LIMIT = 79
|
|
const LATEX_WARNING_REGEX = /^LaTeX(?:3| Font)? Warning: (.*)$/
|
|
const HBOX_WARNING_REGEX = /^(Over|Under)full \\(v|h)box/
|
|
const PACKAGE_WARNING_REGEX = /^((?:Package|Class|Module) \b.+\b Warning:.*)$/
|
|
// This is used to parse the line number from common latex warnings
|
|
const LINES_REGEX = /lines? ([0-9]+)/
|
|
// This is used to parse the package name from the package warnings
|
|
const PACKAGE_REGEX = /^(?:Package|Class|Module) (\b.+\b) Warning/
|
|
const FILE_LINE_ERROR_REGEX = /^([./].*):(\d+): (.*)/
|
|
|
|
const STATE = {
|
|
NORMAL: 0,
|
|
ERROR: 1,
|
|
}
|
|
|
|
export default class LatexParser {
|
|
constructor(text, options = {}) {
|
|
this.state = STATE.NORMAL
|
|
this.fileBaseNames = options.fileBaseNames || [/compiles/, /\/usr\/local/]
|
|
this.ignoreDuplicates = options.ignoreDuplicates
|
|
this.data = []
|
|
this.fileStack = []
|
|
this.currentFileList = this.rootFileList = []
|
|
this.openParens = 0
|
|
this.latexWarningRegex = LATEX_WARNING_REGEX
|
|
this.packageWarningRegex = PACKAGE_WARNING_REGEX
|
|
this.packageRegex = PACKAGE_REGEX
|
|
this.log = new LogText(text)
|
|
}
|
|
|
|
parse() {
|
|
while ((this.currentLine = this.log.nextLine()) !== false) {
|
|
if (this.state === STATE.NORMAL) {
|
|
if (this.currentLineIsError()) {
|
|
this.state = STATE.ERROR
|
|
this.currentError = {
|
|
line: null,
|
|
file: this.currentFilePath,
|
|
level: 'error',
|
|
message: this.currentLine.slice(2),
|
|
content: '',
|
|
raw: this.currentLine + '\n',
|
|
}
|
|
} else if (this.currentLineIsFileLineError()) {
|
|
this.state = STATE.ERROR
|
|
this.parseFileLineError()
|
|
} else if (this.currentLineIsRunawayArgument()) {
|
|
this.parseRunawayArgumentError()
|
|
} else if (this.currentLineIsWarning()) {
|
|
this.parseSingleWarningLine(this.latexWarningRegex)
|
|
} else if (this.currentLineIsHboxWarning()) {
|
|
this.parseHboxLine()
|
|
} else if (this.currentLineIsPackageWarning()) {
|
|
this.parseMultipleWarningLine()
|
|
} else {
|
|
this.parseParensForFilenames()
|
|
}
|
|
}
|
|
if (this.state === STATE.ERROR) {
|
|
this.currentError.content += this.log
|
|
.linesUpToNextMatchingLine(/^l\.[0-9]+/)
|
|
.join('\n')
|
|
this.currentError.content += '\n'
|
|
this.currentError.content += this.log
|
|
.linesUpToNextWhitespaceLine(true)
|
|
.join('\n')
|
|
this.currentError.content += '\n'
|
|
this.currentError.content += this.log
|
|
.linesUpToNextWhitespaceLine(true)
|
|
.join('\n')
|
|
this.currentError.raw += this.currentError.content
|
|
const lineNo = this.currentError.raw.match(/l\.([0-9]+)/)
|
|
if (lineNo && this.currentError.line === null) {
|
|
this.currentError.line = parseInt(lineNo[1], 10)
|
|
}
|
|
this.data.push(this.currentError)
|
|
this.state = STATE.NORMAL
|
|
}
|
|
}
|
|
return this.postProcess(this.data)
|
|
}
|
|
|
|
currentLineIsError() {
|
|
return (
|
|
this.currentLine[0] === '!' &&
|
|
this.currentLine !==
|
|
'! ==> Fatal error occurred, no output PDF file produced!'
|
|
)
|
|
}
|
|
|
|
currentLineIsFileLineError() {
|
|
return FILE_LINE_ERROR_REGEX.test(this.currentLine)
|
|
}
|
|
|
|
currentLineIsRunawayArgument() {
|
|
return this.currentLine.match(/^Runaway argument/)
|
|
}
|
|
|
|
currentLineIsWarning() {
|
|
return !!this.currentLine.match(this.latexWarningRegex)
|
|
}
|
|
|
|
currentLineIsPackageWarning() {
|
|
return !!this.currentLine.match(this.packageWarningRegex)
|
|
}
|
|
|
|
currentLineIsHboxWarning() {
|
|
return !!this.currentLine.match(HBOX_WARNING_REGEX)
|
|
}
|
|
|
|
parseFileLineError() {
|
|
const result = this.currentLine.match(FILE_LINE_ERROR_REGEX)
|
|
this.currentError = {
|
|
line: result[2],
|
|
file: result[1],
|
|
level: 'error',
|
|
message: result[3],
|
|
content: '',
|
|
raw: this.currentLine + '\n',
|
|
}
|
|
}
|
|
|
|
parseRunawayArgumentError() {
|
|
this.currentError = {
|
|
line: null,
|
|
file: this.currentFilePath,
|
|
level: 'error',
|
|
message: this.currentLine,
|
|
content: '',
|
|
raw: this.currentLine + '\n',
|
|
}
|
|
this.currentError.content += this.log
|
|
.linesUpToNextWhitespaceLine()
|
|
.join('\n')
|
|
this.currentError.content += '\n'
|
|
this.currentError.content += this.log
|
|
.linesUpToNextWhitespaceLine()
|
|
.join('\n')
|
|
this.currentError.raw += this.currentError.content
|
|
const lineNo = this.currentError.raw.match(/l\.([0-9]+)/)
|
|
if (lineNo) {
|
|
this.currentError.line = parseInt(lineNo[1], 10)
|
|
}
|
|
return this.data.push(this.currentError)
|
|
}
|
|
|
|
parseSingleWarningLine(prefixRegex) {
|
|
const warningMatch = this.currentLine.match(prefixRegex)
|
|
if (!warningMatch) {
|
|
return
|
|
}
|
|
const warning = warningMatch[1]
|
|
const lineMatch = warning.match(LINES_REGEX)
|
|
const line = lineMatch ? parseInt(lineMatch[1], 10) : null
|
|
this.data.push({
|
|
line,
|
|
file: this.currentFilePath,
|
|
level: 'warning',
|
|
message: warning,
|
|
raw: warning,
|
|
})
|
|
}
|
|
|
|
parseMultipleWarningLine() {
|
|
// Some package warnings are multiple lines, let's parse the first line
|
|
let warningMatch = this.currentLine.match(this.packageWarningRegex)
|
|
// Something strange happened, return early
|
|
if (!warningMatch) {
|
|
return
|
|
}
|
|
const warningLines = [warningMatch[1]]
|
|
let lineMatch = this.currentLine.match(LINES_REGEX)
|
|
let line = lineMatch ? parseInt(lineMatch[1], 10) : null
|
|
const packageMatch = this.currentLine.match(this.packageRegex)
|
|
const packageName = packageMatch[1]
|
|
// Regex to get rid of the unnecesary (packagename) prefix in most multi-line warnings
|
|
const prefixRegex = new RegExp(
|
|
'(?:\\(' + packageName + '\\))*[\\s]*(.*)',
|
|
'i'
|
|
)
|
|
// After every warning message there's a blank line, let's use it
|
|
while ((this.currentLine = this.log.nextLine())) {
|
|
lineMatch = this.currentLine.match(LINES_REGEX)
|
|
line = lineMatch ? parseInt(lineMatch[1], 10) : line
|
|
warningMatch = this.currentLine.match(prefixRegex)
|
|
warningLines.push(warningMatch[1])
|
|
}
|
|
const rawMessage = warningLines.join(' ')
|
|
this.data.push({
|
|
line,
|
|
file: this.currentFilePath,
|
|
level: 'warning',
|
|
message: rawMessage,
|
|
raw: rawMessage,
|
|
})
|
|
}
|
|
|
|
parseHboxLine() {
|
|
const lineMatch = this.currentLine.match(LINES_REGEX)
|
|
const line = lineMatch ? parseInt(lineMatch[1], 10) : null
|
|
this.data.push({
|
|
line,
|
|
file: this.currentFilePath,
|
|
level: 'typesetting',
|
|
message: this.currentLine,
|
|
raw: this.currentLine,
|
|
})
|
|
}
|
|
|
|
// Check if we're entering or leaving a new file in this line
|
|
|
|
parseParensForFilenames() {
|
|
const pos = this.currentLine.search(/[()]/)
|
|
if (pos !== -1) {
|
|
const token = this.currentLine[pos]
|
|
this.currentLine = this.currentLine.slice(pos + 1)
|
|
if (token === '(') {
|
|
const filePath = this.consumeFilePath()
|
|
if (filePath) {
|
|
this.currentFilePath = filePath
|
|
const newFile = {
|
|
path: filePath,
|
|
files: [],
|
|
}
|
|
this.fileStack.push(newFile)
|
|
this.currentFileList.push(newFile)
|
|
this.currentFileList = newFile.files
|
|
} else {
|
|
this.openParens++
|
|
}
|
|
} else if (token === ')') {
|
|
if (this.openParens > 0) {
|
|
this.openParens--
|
|
} else {
|
|
if (this.fileStack.length > 1) {
|
|
this.fileStack.pop()
|
|
const previousFile = this.fileStack[this.fileStack.length - 1]
|
|
this.currentFilePath = previousFile.path
|
|
this.currentFileList = previousFile.files
|
|
}
|
|
}
|
|
}
|
|
// else {
|
|
// Something has gone wrong but all we can do now is ignore it :(
|
|
// }
|
|
// Process the rest of the line
|
|
this.parseParensForFilenames()
|
|
}
|
|
}
|
|
|
|
consumeFilePath() {
|
|
// Our heuristic for detecting file names are rather crude
|
|
|
|
// To contain a file path this line must have at least one / before any '(', ')' or '\'
|
|
if (!this.currentLine.match(/^\/?([^ ()\\]+\/)+/)) {
|
|
return false
|
|
}
|
|
|
|
// A file may not contain a '(', ')' or '\'
|
|
let endOfFilePath = this.currentLine.search(/[ ()\\]/)
|
|
|
|
// handle the case where there is a space in a filename
|
|
while (endOfFilePath !== -1 && this.currentLine[endOfFilePath] === ' ') {
|
|
const partialPath = this.currentLine.slice(0, endOfFilePath)
|
|
// consider the file matching done if the space is preceded by a file extension (e.g. ".tex")
|
|
if (/\.\w+$/.test(partialPath)) {
|
|
break
|
|
}
|
|
// advance to next space or ) or end of line
|
|
const remainingPath = this.currentLine.slice(endOfFilePath + 1)
|
|
// consider file matching done if current path is followed by any of "()[]
|
|
if (/^\s*["()[\]]/.test(remainingPath)) {
|
|
break
|
|
}
|
|
const nextEndOfPath = remainingPath.search(/[ "()[\]]/)
|
|
if (nextEndOfPath === -1) {
|
|
endOfFilePath = -1
|
|
} else {
|
|
endOfFilePath += nextEndOfPath + 1
|
|
}
|
|
}
|
|
let path
|
|
if (endOfFilePath === -1) {
|
|
path = this.currentLine
|
|
this.currentLine = ''
|
|
} else {
|
|
path = this.currentLine.slice(0, endOfFilePath)
|
|
this.currentLine = this.currentLine.slice(endOfFilePath)
|
|
}
|
|
return path
|
|
}
|
|
|
|
postProcess(data) {
|
|
const all = []
|
|
const errorsByLevel = {
|
|
error: [],
|
|
warning: [],
|
|
typesetting: [],
|
|
}
|
|
const hashes = new Set()
|
|
|
|
const hashEntry = entry => entry.raw
|
|
|
|
data.forEach(item => {
|
|
const hash = hashEntry(item)
|
|
|
|
if (this.ignoreDuplicates && hashes.has(hash)) {
|
|
return
|
|
}
|
|
|
|
errorsByLevel[item.level]?.push(item)
|
|
|
|
all.push(item)
|
|
hashes.add(hash)
|
|
})
|
|
|
|
return {
|
|
errors: errorsByLevel.error,
|
|
warnings: errorsByLevel.warning,
|
|
typesetting: errorsByLevel.typesetting,
|
|
all,
|
|
files: this.rootFileList,
|
|
}
|
|
}
|
|
}
|
|
|
|
class LogText {
|
|
constructor(text) {
|
|
this.text = text.replace(/(\r\n)|\r/g, '\n')
|
|
// Join any lines which look like they have wrapped.
|
|
const wrappedLines = this.text.split('\n')
|
|
this.lines = [wrappedLines[0]]
|
|
|
|
for (let i = 1; i < wrappedLines.length; i++) {
|
|
// If the previous line is as long as the wrap limit then
|
|
// append this line to it.
|
|
// Some lines end with ... when LaTeX knows it's hit the limit
|
|
// These shouldn't be wrapped.
|
|
// If the next line looks like it could be an error (i.e. start with a !),
|
|
// do not unwrap the line.
|
|
const prevLine = wrappedLines[i - 1]
|
|
const currentLine = wrappedLines[i]
|
|
|
|
if (
|
|
prevLine.length === LOG_WRAP_LIMIT &&
|
|
prevLine.slice(-3) !== '...' &&
|
|
currentLine.charAt(0) !== '!'
|
|
) {
|
|
this.lines[this.lines.length - 1] += currentLine
|
|
} else {
|
|
this.lines.push(currentLine)
|
|
}
|
|
}
|
|
this.row = 0
|
|
}
|
|
|
|
nextLine() {
|
|
this.row++
|
|
if (this.row >= this.lines.length) {
|
|
return false
|
|
} else {
|
|
return this.lines[this.row]
|
|
}
|
|
}
|
|
|
|
rewindLine() {
|
|
this.row--
|
|
}
|
|
|
|
linesUpToNextWhitespaceLine(stopAtError) {
|
|
return this.linesUpToNextMatchingLine(/^ *$/, stopAtError)
|
|
}
|
|
|
|
linesUpToNextMatchingLine(match, stopAtError) {
|
|
const lines = []
|
|
|
|
while (true) {
|
|
const nextLine = this.nextLine()
|
|
|
|
if (nextLine === false) {
|
|
break
|
|
}
|
|
|
|
if (stopAtError && nextLine.match(/^! /)) {
|
|
this.rewindLine()
|
|
break
|
|
}
|
|
|
|
lines.push(nextLine)
|
|
|
|
if (nextLine.match(match)) {
|
|
break
|
|
}
|
|
}
|
|
|
|
return lines
|
|
}
|
|
}
|