com.caucho.quercus.program
Class Function

java.lang.Object
  com.caucho.quercus.env.Value
      com.caucho.quercus.env.Callback
          com.caucho.quercus.function.AbstractFunction
              com.caucho.quercus.program.Function

All Implemented Interfaces:

Callable, java.io.Serializable

Direct Known Subclasses:

MethodDeclaration, ObjectMethod, ProFunction

public class Function
extends AbstractFunction

Represents sequence of statements.

See Also:

Serialized Form

Field Summary

protected Arg[]	_args
protected Arg[]	_closureUseArgs
protected java.lang.String	_comment
protected boolean	_hasReturn
protected FunctionInfo	_info
protected boolean	_isReturnsReference
protected java.lang.String	_name
protected Statement	_statement

Fields inherited from class com.caucho.quercus.function.AbstractFunction

_bindingClass, _declaringClassName, _isClosure, _isConstructor, _isFinal, _isStatic, _parseIndex, _visibility

Fields inherited from class com.caucho.quercus.env.Value

NULL_VALUE_ARRAY, SCALAR_V

Constructor Summary

Function(ExprFactory exprFactory, Location location, java.lang.String name, FunctionInfo info, Arg[] args, Statement[] statements)

Method Summary

Value	call(Env env, Expr[] args)
Value	call(Env env, Value[] args) Evaluates the function.
Value	callCopy(Env env, Expr[] args)
Value	callCopy(Env env, Value[] args) Evaluates the function, returning a copy
Value	callImpl(Env env, Value[] args, boolean isRef, Arg[] useParams, Value[] useArgs)
Value	callMethod(Env env, QuercusClass qClass, Value qThis, Value[] args) Evaluates the method call.
Value	callMethodRef(Env env, QuercusClass qClass, Value qThis, Value[] args) Evaluates the method call, returning a reference.
Value	callRef(Env env, Expr[] args)
Value	callRef(Env env, Value[] args) Evaluates the function, returning a reference.
Value[]	evalArguments(Env env, Expr fun, Expr[] args) Evaluates a function's argument, handling ref vs non-ref
Value	execute(Env env)
Arg[]	getArgs() Returns the args.
Arg[]	getClosureUseArgs() Returns the args.
java.lang.String	getComment() Returns the documentation for this function.
ClassDef	getDeclaringClass()
java.lang.String	getDeclaringClassName()
FunctionInfo	getInfo()
java.lang.String	getName() Returns the name.
protected boolean	isMethod()
boolean	isObjectMethod()
boolean	isReturnsReference() True for a returns reference.
void	setClosureUseArgs(Arg[] useArgs) Returns the args.
void	setComment(java.lang.String comment) Sets the documentation for this function.
java.lang.String	toString()

Methods inherited from class com.caucho.quercus.function.AbstractFunction

call, call, call, call, call, call, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callRef, callRef, callRef, callRef, callRef, callRef, errorPrivateAccess, errorProtectedAccess, getActualFunction, getBindingClass, getBindingClassName, getCallbackName, getCompilationName, getLocation, getType, isAbstract, isBoolean, isCallUsesSymbolTable, isCallUsesVariableArgs, isClosure, isConstructor, isDouble, isFinal, isGlobal, isInternal, isLong, isObject, isPrivate, isProtected, isPublic, isStatic, isString, isValid, setBindingClass, setClosure, setConstructor, setDeclaringClassName, setFinal, setGlobal, setParseIndex, setStatic, setVisibility, toFun

Methods inherited from class com.caucho.quercus.env.Callback

callArray, callArray, callArray, toCallable

Methods inherited from class com.caucho.quercus.env.Value

abs, add, add, addOne, append, appendTo, appendTo, appendTo, appendTo, bitAnd, bitOr, bitXor, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, charValueAt, checkPrivate, checkProtected, clone, cmp, containsKey, copy, copy, copy, copyArrayItem, copyReturn, copySaveFunArg, copyStringBuilder, copyTree, current, div, div, end, eq, eql, eqValue, findFunction, generate, geq, get, getArg, getArray, getArray, getBaseIterator, getCallableName, getCalledClass, getClassName, getCount, getCountRecursive, getDirty, getField, getFieldArg, getFieldArgRef, getFieldArray, getFieldObject, getFieldVar, getHashCode, getIterator, getKeyArray, getKeyIterator, getObject, getObject, getQuercusClass, getRef, getResourceType, getSize, getThisField, getThisFieldArg, getThisFieldArgRef, getThisFieldArray, getThisFieldObject, getThisFieldVar, getValueArray, getValueIterator, getValueType, getVar, gt, hasCurrent, hashCode, increment, initField, isA, isA, isArray, isBinary, isCallable, isDefault, isDoubleConvertible, isEmpty, isFieldInit, isLongConvertible, isNull, isNumberConvertible, isNumeric, isResource, isset, isset, issetField, issetThisField, isUnicode, isVar, jsonEncode, key, keyExists, length, leq, lshift, lt, mod, mul, mul, neg, next, nextIndex, pop, pos, postdecr, postincr, postincr, predecr, preincr, preincr, prev, print, print, printDepth, printJavaChar, printJavaString, printR, printRImpl, put, put, put, putField, putField, putField, putObject, putThisField, putThisField, putVar, remove, reset, rshift, serialize, serialize, set, setCharValueAt, setFieldInit, setJavaObject, shuffle, sub_rev, sub, sub, subOne, toArgRef, toArray, toArrayValue, toAutoArray, toAutoObject, toBigDecimal, toBigInteger, toBinaryValue, toBinaryValue, toBinaryValue, toBinaryValueMarshalCost, toBoolean, toBooleanMarshalCost, toByteArrayMarshalCost, toByteMarshalCost, toChar, toCharArrayMarshalCost, toCharMarshalCost, toDebugString, toDouble, toDoubleMarshalCost, toDoubleValue, toException, toFloatMarshalCost, toInputStream, toInt, toIntegerMarshalCost, toInternString, toJavaBoolean, toJavaByte, toJavaCalendar, toJavaCharacter, toJavaCollection, toJavaDate, toJavaDouble, toJavaFloat, toJavaInteger, toJavaList, toJavaLong, toJavaMap, toJavaObject, toJavaObject, toJavaObjectMarshalCost, toJavaObjectNotNull, toJavaShort, toJavaString, toJavaURL, toKey, toLocalRef, toLocalThis, toLocalValue, toLocalValueReadOnly, toLocalVar, toLocalVarDeclAsRef, toLong, toLongMarshalCost, toLongValue, toObject, toRef, toRefValue, toShortMarshalCost, toString, toStringBuilder, toStringBuilder, toStringBuilder, toStringBuilder, toStringMarshalCost, toStringValue, toStringValue, toStringValueMarshalCost, toUnicode, toUnicodeValue, toUnicodeValue, toUnicodeValueMarshalCost, toValue, toVar, unsetArray, unsetField, unsetThisArray, unsetThisField, valuesToArray, varDump, varDumpImpl, varExport

Methods inherited from class java.lang.Object

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

Field Detail

_info

protected final FunctionInfo _info

_isReturnsReference

protected final boolean _isReturnsReference

_name

protected final java.lang.String _name

_args

protected final Arg[] _args

_statement

protected final Statement _statement

_hasReturn

protected boolean _hasReturn

_comment

protected java.lang.String _comment

_closureUseArgs

protected Arg[] _closureUseArgs

Constructor Detail

Function

public Function(ExprFactory exprFactory,
                Location location,
                java.lang.String name,
                FunctionInfo info,
                Arg[] args,
                Statement[] statements)

Method Detail

getName

public java.lang.String getName()

Returns the name.

Overrides:

getName in class AbstractFunction

getDeclaringClass

public ClassDef getDeclaringClass()

Overrides:

getDeclaringClass in class AbstractFunction

getInfo

public FunctionInfo getInfo()

isMethod

protected boolean isMethod()

getDeclaringClassName

public java.lang.String getDeclaringClassName()

Overrides:

getDeclaringClassName in class AbstractFunction

getArgs

public Arg[] getArgs()

Returns the args.

Overrides:

getArgs in class AbstractFunction

getClosureUseArgs

public Arg[] getClosureUseArgs()

Returns the args.

setClosureUseArgs

public void setClosureUseArgs(Arg[] useArgs)

Returns the args.

isObjectMethod

public boolean isObjectMethod()

isReturnsReference

public boolean isReturnsReference()

True for a returns reference.

Overrides:

isReturnsReference in class AbstractFunction

setComment

public void setComment(java.lang.String comment)

Sets the documentation for this function.

getComment

public java.lang.String getComment()

Returns the documentation for this function.

Overrides:

getComment in class AbstractFunction

execute

public Value execute(Env env)

evalArguments

public Value[] evalArguments(Env env,
                             Expr fun,
                             Expr[] args)

Evaluates a function's argument, handling ref vs non-ref

Overrides:

evalArguments in class AbstractFunction

args - the user's arguments

Returns:

the user arguments augmented by any defaults

call

public Value call(Env env,
                  Expr[] args)

callCopy

public Value callCopy(Env env,
                      Expr[] args)

callRef

public Value callRef(Env env,
                     Expr[] args)

call

public Value call(Env env,
                  Value[] args)

Description copied from class: AbstractFunction

Evaluates the function.

Specified by:

call in interface Callable

Specified by:

call in class AbstractFunction

Parameters:

env - the calling environment

callCopy

public Value callCopy(Env env,
                      Value[] args)

Description copied from class: AbstractFunction

Evaluates the function, returning a copy

Overrides:

callCopy in class AbstractFunction

callRef

public Value callRef(Env env,
                     Value[] args)

Description copied from class: AbstractFunction

Evaluates the function, returning a reference.

Overrides:

callRef in class AbstractFunction

callImpl

public Value callImpl(Env env,
                      Value[] args,
                      boolean isRef,
                      Arg[] useParams,
                      Value[] useArgs)

callMethod

public Value callMethod(Env env,
                        QuercusClass qClass,
                        Value qThis,
                        Value[] args)

Description copied from class: AbstractFunction

Evaluates the method call.

Overrides:

callMethod in class AbstractFunction

callMethodRef

public Value callMethodRef(Env env,
                           QuercusClass qClass,
                           Value qThis,
                           Value[] args)

Description copied from class: AbstractFunction

Evaluates the method call, returning a reference.

Overrides:

callMethodRef in class AbstractFunction

toString

public java.lang.String toString()

Overrides:

toString in class AbstractFunction