com.oracle.graal.compiler.match

Class MatchStatement

java.lang.Object

com.oracle.graal.compiler.match.MatchStatement

public class MatchStatement
extends Object

A named MatchPattern along with a MatchGenerator that can be evaluated to replace one or more Nodes with a single Value.

Field Summary

Fields

Modifier and Type	Field and Description
private String[]	arguments The name of arguments in the order they are expected to be passed to the generator method.
private MatchGenerator	generatorMethod The method in the NodeLIRBuilder subclass that will actually do the code emission.
private static DebugMetric	MatchStatementSuccess
private String	name A printable name for this statement.
private MatchPattern	pattern The actual match pattern.

Constructor Summary

Constructors

Constructor and Description
MatchStatement(String name, MatchPattern pattern, MatchGenerator generator, String[] arguments)

Method Summary

Modifier and Type	Method and Description
private Object[]	buildArgList(MatchContext context)
String	formatMatch(Node root)
boolean	generate(NodeLIRBuilder builder, int index, Node node, List<Node> nodes) Attempt to match the current statement against a Node.
String	getName()
MatchPattern	getPattern()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

MatchStatementSuccess

private static final DebugMetric MatchStatementSuccess

name

private final String name

A printable name for this statement. Usually it's just the name of the method doing the emission.

pattern

private final MatchPattern pattern

The actual match pattern.

generatorMethod

private MatchGenerator generatorMethod

The method in the NodeLIRBuilder subclass that will actually do the code emission.

arguments

private String[] arguments

The name of arguments in the order they are expected to be passed to the generator method.

Constructor Detail

MatchStatement

public MatchStatement(String name,
                      MatchPattern pattern,
                      MatchGenerator generator,
                      String[] arguments)

Method Detail

generate

public boolean generate(NodeLIRBuilder builder,
                        int index,
                        Node node,
                        List<Node> nodes)

Attempt to match the current statement against a Node.

Parameters:

builder - the current builder instance.

node - the node to be matched

nodes - the nodes in the current block

Returns:

true if the statement matched something and set a ComplexMatchResult to be evaluated by the NodeLIRBuilder.

buildArgList

private Object[] buildArgList(MatchContext context)

Parameters:

context -

Returns:

the Nodes captured by the match rule in the order expected by the generatorMethod

formatMatch

public String formatMatch(Node root)

getPattern

public MatchPattern getPattern()

getName

public String getName()

toString

public String toString()

Overrides:

toString in class Object