com.caucho.es.parser
Class Expr

java.lang.Object
|
+--com.caucho.es.parser.Expr

Direct Known Subclasses:

AssignExpr, BinaryExpr, BooleanExpr, CallExpr, CastExpr, ConditionalExpr, DeleteExpr, FieldExpr, IdExpr, JavaClassExpr, LiteralExpr, PackageExpr, PlusExpr, PostfixExpr, RegexpExpr, SpecialExpr, TopExpr, TypeExpr, UnaryExpr

class Expr

extends java.lang.Object

Expr is an intermediate form representing an expression.

Field Summary

protected Block	block
protected ParseClass	cl
private java.lang.String	filename
protected Function	function
protected boolean	isTop
protected java.lang.Class	javaType
private int	line
protected boolean	noValue
protected int	type
protected static int	TYPE_BOOLEAN
protected static int	TYPE_ES
protected static int	TYPE_INTEGER
protected static int	TYPE_JAVA
protected static int	TYPE_LONG
protected static int	TYPE_NUMBER
protected static int	TYPE_STRING
protected static int	TYPE_UNKNOWN
protected static int	TYPE_VOID
protected int	withDepth

Constructor Summary

(package private)

Expr(Block block)

Method Summary

(package private) Expr	assign(Expr value) The assignment operator
(package private) Expr	binaryOp(int lex, int op, Expr rexpr) A binary op
(package private) Expr	cast(Expr castType)
(package private) Expr	conditional(Expr mexpr, Expr rexpr) The conditional ? : operation
(package private) Expr	delete() The delete operator
(package private) Expr	doVoid() A unary op
private ESException	error(java.lang.String msg)
(package private) void	exprStatement(Function fun)
(package private) Expr	fieldReference(ESId id) Gets the field of the current expr
(package private) Expr	fieldReference(Expr expr) Gets the field of the current expr
(package private) java.lang.String	getFilename()
(package private) java.lang.Class	getJavaClass() Returns the Java class representing this type.
(package private) int	getLine()
(package private) int	getType() Returns the javascript type of the expression.
(package private) Expr	getTypeExpr()
(package private) boolean	isNum()
(package private) boolean	isNumeric() True if the type of this expression is easily converted to a number.
(package private) boolean	isSimple()
(package private) void	killValue()
(package private) Expr	next(java.lang.String iter, Expr lhs)
(package private) Expr	postfix(int op) Handle autoincrement
(package private) Expr	prefix(int op) Handle autoincrement
(package private) void	print()
(package private) void	printBoolean()
(package private) void	printBooleanImpl()
(package private) void	printExpr()
(package private) void	printImpl()
(package private) void	printInt32()
(package private) void	printInt32Impl()
(package private) void	printInt64()
(package private) void	printInt64Impl()
(package private) void	printJava() Prints the expression as a java object.
(package private) void	printJavaClass(java.lang.Class type)
(package private) void	printJavaImpl()
(package private) void	printJavaString()
(package private) void	printLiteral(ESBase literal)
(package private) void	printNum()
(package private) void	printNumImpl()
(package private) void	printStr() Prints a string value
(package private) void	printString() Print where the result is a string.
(package private) void	printStringImpl()
(package private) Expr	setBoolean() This expression will be used in a boolean context.
(package private) void	setTop()
(package private) void	setUsed()
(package private) CallExpr	startCall()
(package private) CallExpr	startNew()
(package private) Expr	typeof() The typeof operator
(package private) Expr	unaryOp(int op) A unary op

Methods inherited from class java.lang.Object

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

Field Detail

TYPE_UNKNOWN

protected static final int TYPE_UNKNOWN

TYPE_ES

protected static final int TYPE_ES

TYPE_STRING

protected static final int TYPE_STRING

TYPE_NUMBER

protected static final int TYPE_NUMBER

TYPE_LONG

protected static final int TYPE_LONG

TYPE_INTEGER

protected static final int TYPE_INTEGER

TYPE_BOOLEAN

protected static final int TYPE_BOOLEAN

TYPE_JAVA

protected static final int TYPE_JAVA

TYPE_VOID

protected static final int TYPE_VOID

cl

protected ParseClass cl

block

protected Block block

function

protected Function function

type

protected int type

javaType

protected java.lang.Class javaType

isTop

protected boolean isTop

noValue

protected boolean noValue

filename

private java.lang.String filename

line

private int line

withDepth

protected int withDepth

Constructor Detail

Expr

Expr(Block block)

Method Detail

getFilename

java.lang.String getFilename()

getLine

int getLine()

killValue

void killValue()

setUsed

void setUsed()

setTop

void setTop()

getType

int getType()

Returns the javascript type of the expression.

getTypeExpr

Expr getTypeExpr()

getJavaClass

java.lang.Class getJavaClass()

Returns the Java class representing this type.

isSimple

boolean isSimple()

isNumeric

boolean isNumeric()

True if the type of this expression is easily converted to a number.

isNum

boolean isNum()

setBoolean

Expr setBoolean()

This expression will be used in a boolean context.

next

Expr next(java.lang.String iter,
Expr lhs)
throws ESException

fieldReference

Expr fieldReference(Expr expr)

Gets the field of the current expr

fieldReference

Expr fieldReference(ESId id)
throws ESException

Gets the field of the current expr

unaryOp

Expr unaryOp(int op)

A unary op

doVoid

Expr doVoid()

A unary op

typeof

Expr typeof()

The typeof operator

delete

Expr delete()
throws ESException

The delete operator

assign

Expr assign(Expr value)
throws ESException

The assignment operator

startCall

CallExpr startCall()
throws ESException

startNew

CallExpr startNew()
throws ESException

prefix

Expr prefix(int op)
throws ESException

Handle autoincrement

postfix

Expr postfix(int op)

Handle autoincrement

binaryOp

Expr binaryOp(int lex,
int op,
Expr rexpr)
throws ESException

A binary op

cast

Expr cast(Expr castType)
throws ESException

conditional

Expr conditional(Expr mexpr,
Expr rexpr)

The conditional ? : operation

printExpr

void printExpr()
throws java.io.IOException

print

void print()
throws java.io.IOException

printBoolean

void printBoolean()
throws java.io.IOException

printInt32

void printInt32()
throws java.io.IOException

printInt64

void printInt64()
throws java.io.IOException

printNum

void printNum()
throws java.io.IOException

printJava

void printJava()
throws java.io.IOException

Prints the expression as a java object.

printStr

void printStr()
throws java.io.IOException

Prints a string value

printJavaString

void printJavaString()
throws java.io.IOException

printJavaClass

void printJavaClass(java.lang.Class type)
throws java.io.IOException

printString

void printString()
throws java.io.IOException

Print where the result is a string.

printImpl

void printImpl()
throws java.io.IOException

printBooleanImpl

void printBooleanImpl()
throws java.io.IOException

printNumImpl

void printNumImpl()
throws java.io.IOException

printInt32Impl

void printInt32Impl()
throws java.io.IOException

printInt64Impl

void printInt64Impl()
throws java.io.IOException

printStringImpl

void printStringImpl()
throws java.io.IOException

printJavaImpl

void printJavaImpl()
throws java.io.IOException

printLiteral

void printLiteral(ESBase literal)
throws java.io.IOException

exprStatement

void exprStatement(Function fun)
throws ESException

error

private ESException error(java.lang.String msg)