com.oracle.truffle.regex.tregex.parser

Class JSRegexParser

java.lang.Object

com.oracle.truffle.regex.tregex.parser.JSRegexParser

All Implemented Interfaces:

RegexParser

public final class JSRegexParser
extends Object
implements RegexParser

Constructor Summary

Constructors

Constructor and Description
JSRegexParser(RegexLanguage language, RegexSource source, CompilationBuffer compilationBuffer)
JSRegexParser(RegexLanguage language, RegexSource source, CompilationBuffer compilationBuffer, RegexSource originalSource)

Method Summary

Modifier and Type	Method and Description
RegexFlags	getFlags() Returns a TruffleObject representing the compilation flags which were set for the regular expression.
AbstractRegexObject	getNamedCaptureGroups() Returns a map from the names of capture groups to their indices.
RegexAST	parse() Runs the parser and produces an AST.
static Group	parseRootLess(RegexLanguage language, String pattern)

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JSRegexParser

public JSRegexParser(RegexLanguage language,
                     RegexSource source,
                     CompilationBuffer compilationBuffer)
              throws RegexSyntaxException

Throws:

RegexSyntaxException

JSRegexParser

public JSRegexParser(RegexLanguage language,
                     RegexSource source,
                     CompilationBuffer compilationBuffer,
                     RegexSource originalSource)
              throws RegexSyntaxException

Throws:

RegexSyntaxException

Method Detail

parseRootLess

public static Group parseRootLess(RegexLanguage language,
                                  String pattern)
                           throws RegexSyntaxException

Throws:

RegexSyntaxException

getFlags

public RegexFlags getFlags()

Description copied from interface: RegexParser

Returns a TruffleObject representing the compilation flags which were set for the regular expression. The returned object responds to 'READ' messages on names which correspond to the names of the flags as used in the language from which the flavor originates. This method has to be called after calling RegexParser.parse().

Specified by:

getFlags in interface RegexParser

getNamedCaptureGroups

public AbstractRegexObject getNamedCaptureGroups()

Description copied from interface: RegexParser

Returns a map from the names of capture groups to their indices. If the regular expression had no named capture groups, returns null. This method has to be called after calling RegexParser.parse().

Specified by:

getNamedCaptureGroups in interface RegexParser

parse

public RegexAST parse()
               throws RegexSyntaxException

Description copied from interface: RegexParser

Runs the parser and produces an AST.

Specified by:

parse in interface RegexParser

Throws:

RegexSyntaxException - when the pattern or the flags are not well-formed