com.google.gwt.dev.js.rhino

Class IRFactory

java.lang.Object

com.google.gwt.dev.js.rhino.IRFactory

public class IRFactory
extends Object

This class allows the creation of nodes, and follows the Factory pattern.

Author:

Mike McCabe, Norris Boyd

See Also:

Node

Constructor Summary

Constructors

Constructor and Description
IRFactory(TokenStream ts)

Method Summary

Modifier and Type	Method and Description
void	addChildToBack(Object parent, Object child) Add a child to the back of the given node.
Object	createArrayLiteral(Object obj) Array Literal
Object	createAssignment(int nodeOp, Node left, Node right, Class convert, boolean postfix)
Object	createBinary(int nodeType, int nodeOp, Object left, Object right)
Object	createBinary(int nodeType, Object left, Object right) Binary
Object	createBlock(int lineno) Statement block Creates the empty statement block Must make subsequent calls to add statements to the node
Object	createBreak(String label, int lineno) Break (possibly labeled)
Object	createCatch(String varName, Object catchCond, Object stmts, int lineno) Catch clause of try/catch/finally
Object	createContinue(String label, int lineno) Continue (possibly labeled)
Object	createDebugger(int lineno) debugger
Object	createDoWhile(Object body, Object cond, int lineno) DoWhile
Object	createExprStatement(Object expr, int lineno)
Object	createFor(Object init, Object test, Object incr, Object body, int lineno) For
Object	createForIn(Object lhs, Object obj, Object body, int lineno) For ..
Object	createFunction(String name, Object args, Object statements, String sourceName, int baseLineno, int endLineno, Object source, boolean isExpr)
Object	createIf(Object cond, Object ifTrue, Object ifFalse, int lineno) If statement
Object	createLabel(String label, int lineno) Label
Object	createLeaf(int nodeType) Leaf
Object	createLeaf(int nodeType, int nodeOp)
Object	createName(String name) Name
Object	createNumber(double number) Number (for literals)
Object	createObjectLiteral(Object obj) Object Literals
Object	createRegExp(String string, String flags) Regular expressions
Object	createReturn(Object expr, int lineno) Return
Object	createScript(Object body, String sourceName, int baseLineno, int endLineno, Object source) Script (for associating file/url names with toplevel scripts.)
Object	createString(String string) String (for literals)
Object	createSwitch(int lineno) Statement leaf nodes.
Object	createTernary(Object cond, Object ifTrue, Object ifFalse)
Object	createThrow(Object expr, int lineno) Throw
Object	createTryCatchFinally(Object tryblock, Object catchblocks, Object finallyblock, int lineno) Try/Catch/Finally
Object	createUnary(int nodeType, int nodeOp, Object child)
Object	createUnary(int nodeType, Object child) Unary
Object	createVariables(int lineno)
Object	createWhile(Object cond, Object body, int lineno) While
Object	createWith(Object obj, Object body, int lineno) With
int	getLeafType(Object leaf)
static boolean	hasSideEffects(Node exprTree)

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString

Constructor Detail

IRFactory

public IRFactory(TokenStream ts)

Method Detail

createScript

public Object createScript(Object body,
                           String sourceName,
                           int baseLineno,
                           int endLineno,
                           Object source)

Script (for associating file/url names with toplevel scripts.)

createLeaf

public Object createLeaf(int nodeType)

Leaf

createLeaf

public Object createLeaf(int nodeType,
                         int nodeOp)

getLeafType

public int getLeafType(Object leaf)

createSwitch

public Object createSwitch(int lineno)

Statement leaf nodes.

createVariables

public Object createVariables(int lineno)

createExprStatement

public Object createExprStatement(Object expr,
                                  int lineno)

createName

public Object createName(String name)

Name

createString

public Object createString(String string)

String (for literals)

createNumber

public Object createNumber(double number)

Number (for literals)

createCatch

public Object createCatch(String varName,
                          Object catchCond,
                          Object stmts,
                          int lineno)

Catch clause of try/catch/finally

Parameters:

varName - the name of the variable to bind to the exception

catchCond - the condition under which to catch the exception. May be null if no condition is given.

stmts - the statements in the catch clause

lineno - the starting line number of the catch clause

createThrow

public Object createThrow(Object expr,
                          int lineno)

Throw

createReturn

public Object createReturn(Object expr,
                           int lineno)

Return

createLabel

public Object createLabel(String label,
                          int lineno)

Label

createBreak

public Object createBreak(String label,
                          int lineno)

Break (possibly labeled)

createContinue

public Object createContinue(String label,
                             int lineno)

Continue (possibly labeled)

createDebugger

public Object createDebugger(int lineno)

debugger

createBlock

public Object createBlock(int lineno)

Statement block Creates the empty statement block Must make subsequent calls to add statements to the node

createFunction

public Object createFunction(String name,
                             Object args,
                             Object statements,
                             String sourceName,
                             int baseLineno,
                             int endLineno,
                             Object source,
                             boolean isExpr)

addChildToBack

public void addChildToBack(Object parent,
                           Object child)

Add a child to the back of the given node. This function breaks the Factory abstraction, but it removes a requirement from implementors of Node.

createWhile

public Object createWhile(Object cond,
                          Object body,
                          int lineno)

While

createDoWhile

public Object createDoWhile(Object body,
                            Object cond,
                            int lineno)

DoWhile

createFor

public Object createFor(Object init,
                        Object test,
                        Object incr,
                        Object body,
                        int lineno)

For

createForIn

public Object createForIn(Object lhs,
                          Object obj,
                          Object body,
                          int lineno)

For .. In

createTryCatchFinally

public Object createTryCatchFinally(Object tryblock,
                                    Object catchblocks,
                                    Object finallyblock,
                                    int lineno)

Try/Catch/Finally

createWith

public Object createWith(Object obj,
                         Object body,
                         int lineno)

With

createArrayLiteral

public Object createArrayLiteral(Object obj)

Array Literal

createObjectLiteral

public Object createObjectLiteral(Object obj)

Object Literals

createRegExp

public Object createRegExp(String string,
                           String flags)

Regular expressions

createIf

public Object createIf(Object cond,
                       Object ifTrue,
                       Object ifFalse,
                       int lineno)

If statement

createTernary

public Object createTernary(Object cond,
                            Object ifTrue,
                            Object ifFalse)

createUnary

public Object createUnary(int nodeType,
                          Object child)

Unary

createUnary

public Object createUnary(int nodeType,
                          int nodeOp,
                          Object child)

createBinary

public Object createBinary(int nodeType,
                           Object left,
                           Object right)

Binary

createBinary

public Object createBinary(int nodeType,
                           int nodeOp,
                           Object left,
                           Object right)

createAssignment

public Object createAssignment(int nodeOp,
                               Node left,
                               Node right,
                               Class convert,
                               boolean postfix)

hasSideEffects

public static boolean hasSideEffects(Node exprTree)