Class PythonRegexParser

java.lang.Object

com.oracle.truffle.regex.tregex.parser.flavors.PythonRegexParser

All Implemented Interfaces:

RegexParser

public final class PythonRegexParser
extends Object
implements RegexParser

Constructor Summary

Constructors

Constructor	Description
PythonRegexParser(RegexLanguage language, RegexSource source, CompilationBuffer compilationBuffer)

Method Summary

Modifier and Type	Method	Description
PythonFlags	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.

Methods inherited from class java.lang.Object

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

Constructor Details

PythonRegexParser

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

Throws:

RegexSyntaxException

Method Details

getFlags

public PythonFlags 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