prismjs/components/prism-javastacktrace.js

// Specification:
// https://docs.oracle.com/en/java/javase/13/docs/api/java.base/java/lang/Throwable.html#printStackTrace()

Prism.languages.javastacktrace = {

	// java.sql.SQLException: Violation of unique constraint MY_ENTITY_UK_1: duplicate value(s) for column(s) MY_COLUMN in statement [...]
	// Caused by: java.sql.SQLException: Violation of unique constraint MY_ENTITY_UK_1: duplicate value(s) for column(s) MY_COLUMN in statement [...]
	// Caused by: com.example.myproject.MyProjectServletException
	// Caused by: MidLevelException: LowLevelException
	// Suppressed: Resource$CloseFailException: Resource ID = 0
	'summary': {
		pattern: /^([\t ]*)(?:(?:Caused by:|Suppressed:|Exception in thread "[^"]*")[\t ]+)?[\w$.]+(?::.*)?$/m,
		lookbehind: true,
		inside: {
			'keyword': {
				pattern: /^([\t ]*)(?:(?:Caused by|Suppressed)(?=:)|Exception in thread)/m,
				lookbehind: true
			},

			// the current thread if the summary starts with 'Exception in thread'
			'string': {
				pattern: /^(\s*)"[^"]*"/,
				lookbehind: true
			},
			'exceptions': {
				pattern: /^(:?\s*)[\w$.]+(?=:|$)/,
				lookbehind: true,
				inside: {
					'class-name': /[\w$]+$/,
					'namespace': /\b[a-z]\w*\b/,
					'punctuation': /\./
				}
			},
			'message': {
				pattern: /(:\s*)\S.*/,
				lookbehind: true,
				alias: 'string'
			},
			'punctuation': /:/
		}
	},

	// at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
	// at org.hsqldb.jdbc.Util.throwError(Unknown Source) here could be some notes
	// at java.base/java.lang.Class.forName0(Native Method)
	// at Util.<init>(Unknown Source)
	// at com.foo.loader/foo@9.0/com.foo.Main.run(Main.java:101)
	// at com.foo.loader//com.foo.bar.App.run(App.java:12)
	// at acme@2.1/org.acme.Lib.test(Lib.java:80)
	// at MyClass.mash(MyClass.java:9)
	//
	// More information:
	// https://docs.oracle.com/en/java/javase/13/docs/api/java.base/java/lang/StackTraceElement.html#toString()
	//
	// A valid Java module name is defined as:
	//   "A module name consists of one or more Java identifiers (§3.8) separated by "." tokens."
	// https://docs.oracle.com/javase/specs/jls/se9/html/jls-6.html#jls-ModuleName
	//
	// A Java module version is defined by this class:
	// https://docs.oracle.com/javase/9/docs/api/java/lang/module/ModuleDescriptor.Version.html
	// This is the implementation of the `parse` method in JDK13:
	// https://github.com/matcdac/jdk/blob/2305df71d1b7710266ae0956d73927a225132c0f/src/java.base/share/classes/java/lang/module/ModuleDescriptor.java#L1108
	// However, to keep this simple, a version will be matched by the pattern /@[\w$.+-]*/.
	'stack-frame': {
		pattern: /^([\t ]*)at (?:[\w$./]|@[\w$.+-]*\/)+(?:<init>)?\([^()]*\)/m,
		lookbehind: true,
		inside: {
			'keyword': {
				pattern: /^(\s*)at(?= )/,
				lookbehind: true
			},
			'source': [
				// (Main.java:15)
				// (Main.scala:15)
				{
					pattern: /(\()\w+\.\w+:\d+(?=\))/,
					lookbehind: true,
					inside: {
						'file': /^\w+\.\w+/,
						'punctuation': /:/,
						'line-number': {
							pattern: /\b\d+\b/,
							alias: 'number'
						}
					}
				},
				// (Unknown Source)
				// (Native Method)
				// (...something...)
				{
					pattern: /(\()[^()]*(?=\))/,
					lookbehind: true,
					inside: {
						'keyword': /^(?:Native Method|Unknown Source)$/
					}
				}
			],
			'class-name': /[\w$]+(?=\.(?:<init>|[\w$]+)\()/,
			'function': /(?:<init>|[\w$]+)(?=\()/,
			'class-loader': {
				pattern: /(\s)[a-z]\w*(?:\.[a-z]\w*)*(?=\/[\w@$.]*\/)/,
				lookbehind: true,
				alias: 'namespace',
				inside: {
					'punctuation': /\./
				}
			},
			'module': {
				pattern: /([\s/])[a-z]\w*(?:\.[a-z]\w*)*(?:@[\w$.+-]*)?(?=\/)/,
				lookbehind: true,
				inside: {
					'version': {
						pattern: /(@)[\s\S]+/,
						lookbehind: true,
						alias: 'number'
					},
					'punctuation': /[@.]/
				}
			},
			'namespace': {
				pattern: /(?:\b[a-z]\w*\.)+/,
				inside: {
					'punctuation': /\./
				}
			},
			'punctuation': /[()/.]/
		}
	},

	// ... 32 more
	// ... 32 common frames omitted
	'more': {
		pattern: /^([\t ]*)\.{3} \d+ [a-z]+(?: [a-z]+)*/m,
		lookbehind: true,
		inside: {
			'punctuation': /\.{3}/,
			'number': /\d+/,
			'keyword': /\b[a-z]+(?: [a-z]+)*\b/
		}
	}

};