com.caucho.quercus.statement
Class StatementGenerator

java.lang.Object
  com.caucho.quercus.statement.StatementGenerator

public abstract class StatementGenerator
extends java.lang.Object

Represents a PHP statement

Field Summary

static int	BREAK_FALL_THROUGH
static int	FALL_THROUGH
static int	RETURN

Constructor Summary

StatementGenerator()

Method Summary

abstract boolean	analyze(AnalyzeInfo info) Analyze the statement
int	fallThrough() Returns true if the statement can fallthrough.
void	generate(PhpWriter out) Generates the Java code for the statement.
void	generateCoda(PhpWriter out) Generates static/initialization code code for the statement.
void	generateGetOut(PhpWriter out) Generates the Java code for the statement.
protected abstract void	generateImpl(PhpWriter out) Implementation of the generation.
protected abstract Location	getLocation()
boolean	isOutUsed() Returns true if the output is used in the statement.
boolean	isVarAssigned(VarExprPro var) Returns true if the variable is ever assigned.

Methods inherited from class java.lang.Object

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

Field Detail

FALL_THROUGH

public static final int FALL_THROUGH

See Also:

Constant Field Values

BREAK_FALL_THROUGH

public static final int BREAK_FALL_THROUGH

See Also:

Constant Field Values

RETURN

public static final int RETURN

See Also:

Constant Field Values

Constructor Detail

StatementGenerator

public StatementGenerator()

Method Detail

getLocation

protected abstract Location getLocation()

analyze

public abstract boolean analyze(AnalyzeInfo info)

Analyze the statement

Returns:

true if the following statement can be executed

fallThrough

public int fallThrough()

Returns true if the statement can fallthrough.

isVarAssigned

public boolean isVarAssigned(VarExprPro var)

Returns true if the variable is ever assigned.

Parameters:

var - the variable to test

isOutUsed

public boolean isOutUsed()

Returns true if the output is used in the statement.

generate

public final void generate(PhpWriter out)
                    throws java.io.IOException

Generates the Java code for the statement.

Parameters:

out - the writer to the generated Java source.

Throws:

java.io.IOException

generateImpl

protected abstract void generateImpl(PhpWriter out)
                              throws java.io.IOException

Implementation of the generation.

Throws:

java.io.IOException

generateGetOut

public void generateGetOut(PhpWriter out)
                    throws java.io.IOException

Generates the Java code for the statement.

Parameters:

out - the writer to the generated Java source.

Throws:

java.io.IOException

generateCoda

public void generateCoda(PhpWriter out)
                  throws java.io.IOException

Generates static/initialization code code for the statement.

Parameters:

out - the writer to the generated Java source.

Throws:

java.io.IOException