com.oracle.truffle.regex.tregex.nfa

Class ASTTransitionCanonicalizer

java.lang.Object

com.oracle.truffle.regex.tregex.automaton.StateTransitionCanonicalizer<RegexAST,Term,ASTTransition,TransitionBuilder<RegexAST,Term,ASTTransition>>

com.oracle.truffle.regex.tregex.nfa.ASTTransitionCanonicalizer

public final class ASTTransitionCanonicalizer
extends StateTransitionCanonicalizer<RegexAST,Term,ASTTransition,TransitionBuilder<RegexAST,Term,ASTTransition>>

Constructor Summary

Constructors

Constructor and Description
ASTTransitionCanonicalizer(RegexAST stateIndex, boolean forward, boolean prioritySensitive)

Method Summary

Modifier and Type	Method and Description
protected boolean	canMerge(TransitionBuilder<RegexAST,Term,ASTTransition> a, TransitionBuilder<RegexAST,Term,ASTTransition> b) Returns true if two DFA transitions are allowed to be merged into one.
protected TransitionBuilder<RegexAST,Term,ASTTransition>[]	createResultArray(int size) Returns an array suitable for holding the result of StateTransitionCanonicalizer.run(CompilationBuffer).
protected ASTTransition[]	createTransitionArray(int size)
protected TransitionBuilder<RegexAST,Term,ASTTransition>	createTransitionBuilder(ASTTransition[] transitions, StateSet<RegexAST,Term> targetStateSet, CodePointSet matcherBuilder)

Methods inherited from class com.oracle.truffle.regex.tregex.automaton.StateTransitionCanonicalizer

addArgument, isPrioritySensitive, run

Methods inherited from class java.lang.Object

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

Constructor Detail

ASTTransitionCanonicalizer

public ASTTransitionCanonicalizer(RegexAST stateIndex,
                                  boolean forward,
                                  boolean prioritySensitive)

Method Detail

canMerge

protected boolean canMerge(TransitionBuilder<RegexAST,Term,ASTTransition> a,
                           TransitionBuilder<RegexAST,Term,ASTTransition> b)

Description copied from class: StateTransitionCanonicalizer

Returns true if two DFA transitions are allowed to be merged into one.

Specified by:

canMerge in class StateTransitionCanonicalizer<RegexAST,Term,ASTTransition,TransitionBuilder<RegexAST,Term,ASTTransition>>

createTransitionBuilder

protected TransitionBuilder<RegexAST,Term,ASTTransition> createTransitionBuilder(ASTTransition[] transitions,
                                                                                 StateSet<RegexAST,Term> targetStateSet,
                                                                                 CodePointSet matcherBuilder)

Specified by:

createTransitionBuilder in class StateTransitionCanonicalizer<RegexAST,Term,ASTTransition,TransitionBuilder<RegexAST,Term,ASTTransition>>

createResultArray

protected TransitionBuilder<RegexAST,Term,ASTTransition>[] createResultArray(int size)

Description copied from class: StateTransitionCanonicalizer

Returns an array suitable for holding the result of StateTransitionCanonicalizer.run(CompilationBuffer).

Specified by:

createResultArray in class StateTransitionCanonicalizer<RegexAST,Term,ASTTransition,TransitionBuilder<RegexAST,Term,ASTTransition>>

createTransitionArray

protected ASTTransition[] createTransitionArray(int size)

Specified by:

createTransitionArray in class StateTransitionCanonicalizer<RegexAST,Term,ASTTransition,TransitionBuilder<RegexAST,Term,ASTTransition>>