Class Compiler

java.lang.Object

com.google.re2j.Compiler

class Compiler
extends Object

Compiler from Regexp (RE2 abstract syntax) to RE2 (compiled regular expression). The only entry point is compileRegexp(Regexp).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	Compiler.Frag	A fragment of a compiled regular expression program.

Field Summary

Fields

Modifier and Type	Field	Description
private static final int[]	ANY_RUNE
private static final int[]	ANY_RUNE_NOT_NL
private final Prog	prog

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Compiler()

Method Summary

Modifier and Type	Method	Description
private Compiler.Frag	alt(Compiler.Frag f1, Compiler.Frag f2)
private Compiler.Frag	cap(int arg)
private Compiler.Frag	cat(Compiler.Frag f1, Compiler.Frag f2)
private Compiler.Frag	compile(Regexp re)
(package private) static Prog	compileRegexp(Regexp re)
private Compiler.Frag	empty(int op)
private Compiler.Frag	fail()
private Compiler.Frag	loop(Compiler.Frag f1, boolean nongreedy)
private Compiler.Frag	newInst(int op)
private Compiler.Frag	nop()
private Compiler.Frag	plus(Compiler.Frag f1, boolean nongreedy)
private Compiler.Frag	quest(Compiler.Frag f1, boolean nongreedy)
private Compiler.Frag	rune(int[] runes, int flags)
private Compiler.Frag	rune(int rune, int flags)
private Compiler.Frag	star(Compiler.Frag f1, boolean nongreedy)

Methods inherited from class Object

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

Field Details

prog

private final Prog prog

ANY_RUNE_NOT_NL

private static final int[] ANY_RUNE_NOT_NL

ANY_RUNE

private static final int[] ANY_RUNE

Constructor Details

Compiler

private Compiler()

Method Details

compileRegexp

static Prog compileRegexp(Regexp re)

newInst

private Compiler.Frag newInst(int op)

nop

private Compiler.Frag nop()

fail

private Compiler.Frag fail()

cap

private Compiler.Frag cap(int arg)

cat

private Compiler.Frag cat(Compiler.Frag f1,
 Compiler.Frag f2)

alt

private Compiler.Frag alt(Compiler.Frag f1,
 Compiler.Frag f2)

loop

private Compiler.Frag loop(Compiler.Frag f1,
 boolean nongreedy)

quest

private Compiler.Frag quest(Compiler.Frag f1,
 boolean nongreedy)

star

private Compiler.Frag star(Compiler.Frag f1,
 boolean nongreedy)

plus

private Compiler.Frag plus(Compiler.Frag f1,
 boolean nongreedy)

empty

private Compiler.Frag empty(int op)

rune

private Compiler.Frag rune(int rune,
 int flags)

rune

private Compiler.Frag rune(int[] runes,
 int flags)

compile

private Compiler.Frag compile(Regexp re)