org.mozilla.javascript
Class Node

java.lang.Object
  extended by org.mozilla.javascript.Node
Direct Known Subclasses:
Node.Jump

public class Node
extends java.lang.Object

This class implements the root of the intermediate representation.

Author:
Norris Boyd, Mike McCabe

Nested Class Summary
static class Node.Jump
           
 
Field Summary
static int ATTRIBUTE_FLAG
           
static int BOTH
           
static int CASEARRAY_PROP
           
static int CATCH_SCOPE_PROP
           
static int CONTROL_BLOCK_PROP
           
static int DECR_FLAG
           
static int DESCENDANTS_FLAG
           
static int DESTRUCTURING_ARRAY_LENGTH
           
static int DESTRUCTURING_NAMES
           
static int DIRECTCALL_PROP
           
static int FUNCTION_PROP
           
static int GENERATOR_END_PROP
           
static int INCRDECR_PROP
           
static int ISNUMBER_PROP
           
static int LABEL_ID_PROP
           
static int LAST_PROP
           
static int LEFT
           
protected  int lineno
           
static int LOCAL_BLOCK_PROP
           
static int LOCAL_PROP
           
static int MEMBER_TYPE_PROP
           
static int NAME_PROP
           
static int NON_SPECIALCALL
           
static int OBJECT_IDS_PROP
           
static int PARENTHESIZED_PROP
           
static int POST_FLAG
           
static int PROPERTY_FLAG
           
static int REGEXP_PROP
           
static int RIGHT
           
static int SKIP_INDEXES_PROP
           
static int SPECIALCALL_EVAL
           
static int SPECIALCALL_PROP
           
static int SPECIALCALL_WITH
           
static int TARGETBLOCK_PROP
           
static int VARIABLE_PROP
           
 
Constructor Summary
Node(int nodeType)
           
Node(int nodeType, int line)
           
Node(int nodeType, Node child)
           
Node(int nodeType, Node child, int line)
           
Node(int nodeType, Node left, Node right)
           
Node(int nodeType, Node left, Node right, int line)
           
Node(int nodeType, Node left, Node mid, Node right)
           
Node(int nodeType, Node left, Node mid, Node right, int line)
           
 
Method Summary
 void addChildAfter(Node newChild, Node node)
          Add 'child' after 'node'.
 void addChildBefore(Node newChild, Node node)
          Add 'child' before 'node'.
 void addChildrenToBack(Node children)
           
 void addChildrenToFront(Node children)
           
 void addChildToBack(Node child)
           
 void addChildToFront(Node child)
           
 Node getChildBefore(Node child)
           
 double getDouble()
          Can only be called when getType() == Token.NUMBER
 int getExistingIntProp(int propType)
           
 Node getFirstChild()
           
 int getIntProp(int propType, int defaultValue)
           
 Node getLastChild()
           
 Node getLastSibling()
           
 int getLineno()
           
 Node getNext()
           
 java.lang.Object getProp(int propType)
           
 org.mozilla.javascript.Node.Scope getScope()
          Can only be called when node has String context.
 java.lang.String getString()
          Can only be called when node has String context.
 int getType()
           
 boolean hasChildren()
           
 boolean hasConsistentReturnUsage()
          Checks that every return usage in a function body is consistent with the requirements of strict-mode.
 boolean hasSideEffects()
           
 int labelId()
           
 void labelId(int labelId)
           
static Node newNumber(double number)
           
static Node newString(int type, java.lang.String str)
           
static Node newString(java.lang.String str)
           
static Node newTarget()
           
 void putIntProp(int propType, int prop)
           
 void putProp(int propType, java.lang.Object prop)
           
 void removeChild(Node child)
           
 void removeProp(int propType)
           
 void replaceChild(Node child, Node newChild)
           
 void replaceChildAfter(Node prevChild, Node newChild)
           
 void setDouble(double number)
           
 void setScope(org.mozilla.javascript.Node.Scope s)
          Can only be called when node has String context.
 void setString(java.lang.String s)
          Can only be called when node has String context.
 void setType(int type)
           
 java.lang.String toString()
           
 java.lang.String toStringTree(ScriptOrFnNode treeTop)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

FUNCTION_PROP

public static final int FUNCTION_PROP
See Also:
Constant Field Values

LOCAL_PROP

public static final int LOCAL_PROP
See Also:
Constant Field Values

LOCAL_BLOCK_PROP

public static final int LOCAL_BLOCK_PROP
See Also:
Constant Field Values

REGEXP_PROP

public static final int REGEXP_PROP
See Also:
Constant Field Values

CASEARRAY_PROP

public static final int CASEARRAY_PROP
See Also:
Constant Field Values

TARGETBLOCK_PROP

public static final int TARGETBLOCK_PROP
See Also:
Constant Field Values

VARIABLE_PROP

public static final int VARIABLE_PROP
See Also:
Constant Field Values

ISNUMBER_PROP

public static final int ISNUMBER_PROP
See Also:
Constant Field Values

DIRECTCALL_PROP

public static final int DIRECTCALL_PROP
See Also:
Constant Field Values

SPECIALCALL_PROP

public static final int SPECIALCALL_PROP
See Also:
Constant Field Values

SKIP_INDEXES_PROP

public static final int SKIP_INDEXES_PROP
See Also:
Constant Field Values

OBJECT_IDS_PROP

public static final int OBJECT_IDS_PROP
See Also:
Constant Field Values

INCRDECR_PROP

public static final int INCRDECR_PROP
See Also:
Constant Field Values

CATCH_SCOPE_PROP

public static final int CATCH_SCOPE_PROP
See Also:
Constant Field Values

LABEL_ID_PROP

public static final int LABEL_ID_PROP
See Also:
Constant Field Values

MEMBER_TYPE_PROP

public static final int MEMBER_TYPE_PROP
See Also:
Constant Field Values

NAME_PROP

public static final int NAME_PROP
See Also:
Constant Field Values

CONTROL_BLOCK_PROP

public static final int CONTROL_BLOCK_PROP
See Also:
Constant Field Values

PARENTHESIZED_PROP

public static final int PARENTHESIZED_PROP
See Also:
Constant Field Values

GENERATOR_END_PROP

public static final int GENERATOR_END_PROP
See Also:
Constant Field Values

DESTRUCTURING_ARRAY_LENGTH

public static final int DESTRUCTURING_ARRAY_LENGTH
See Also:
Constant Field Values

DESTRUCTURING_NAMES

public static final int DESTRUCTURING_NAMES
See Also:
Constant Field Values

LAST_PROP

public static final int LAST_PROP
See Also:
Constant Field Values

BOTH

public static final int BOTH
See Also:
Constant Field Values

LEFT

public static final int LEFT
See Also:
Constant Field Values

RIGHT

public static final int RIGHT
See Also:
Constant Field Values

NON_SPECIALCALL

public static final int NON_SPECIALCALL
See Also:
Constant Field Values

SPECIALCALL_EVAL

public static final int SPECIALCALL_EVAL
See Also:
Constant Field Values

SPECIALCALL_WITH

public static final int SPECIALCALL_WITH
See Also:
Constant Field Values

DECR_FLAG

public static final int DECR_FLAG
See Also:
Constant Field Values

POST_FLAG

public static final int POST_FLAG
See Also:
Constant Field Values

PROPERTY_FLAG

public static final int PROPERTY_FLAG
See Also:
Constant Field Values

ATTRIBUTE_FLAG

public static final int ATTRIBUTE_FLAG
See Also:
Constant Field Values

DESCENDANTS_FLAG

public static final int DESCENDANTS_FLAG
See Also:
Constant Field Values

lineno

protected int lineno
Constructor Detail

Node

public Node(int nodeType)

Node

public Node(int nodeType,
            Node child)

Node

public Node(int nodeType,
            Node left,
            Node right)

Node

public Node(int nodeType,
            Node left,
            Node mid,
            Node right)

Node

public Node(int nodeType,
            int line)

Node

public Node(int nodeType,
            Node child,
            int line)

Node

public Node(int nodeType,
            Node left,
            Node right,
            int line)

Node

public Node(int nodeType,
            Node left,
            Node mid,
            Node right,
            int line)
Method Detail

newNumber

public static Node newNumber(double number)

newString

public static Node newString(java.lang.String str)

newString

public static Node newString(int type,
                             java.lang.String str)

getType

public int getType()

setType

public void setType(int type)

hasChildren

public boolean hasChildren()

getFirstChild

public Node getFirstChild()

getLastChild

public Node getLastChild()

getNext

public Node getNext()

getChildBefore

public Node getChildBefore(Node child)

getLastSibling

public Node getLastSibling()

addChildToFront

public void addChildToFront(Node child)

addChildToBack

public void addChildToBack(Node child)

addChildrenToFront

public void addChildrenToFront(Node children)

addChildrenToBack

public void addChildrenToBack(Node children)

addChildBefore

public void addChildBefore(Node newChild,
                           Node node)
Add 'child' before 'node'.


addChildAfter

public void addChildAfter(Node newChild,
                          Node node)
Add 'child' after 'node'.


removeChild

public void removeChild(Node child)

replaceChild

public void replaceChild(Node child,
                         Node newChild)

replaceChildAfter

public void replaceChildAfter(Node prevChild,
                              Node newChild)

removeProp

public void removeProp(int propType)

getProp

public java.lang.Object getProp(int propType)

getIntProp

public int getIntProp(int propType,
                      int defaultValue)

getExistingIntProp

public int getExistingIntProp(int propType)

putProp

public void putProp(int propType,
                    java.lang.Object prop)

putIntProp

public void putIntProp(int propType,
                       int prop)

getLineno

public int getLineno()

getDouble

public final double getDouble()
Can only be called when getType() == Token.NUMBER


setDouble

public final void setDouble(double number)

getString

public final java.lang.String getString()
Can only be called when node has String context.


setString

public final void setString(java.lang.String s)
Can only be called when node has String context.


getScope

public final org.mozilla.javascript.Node.Scope getScope()
Can only be called when node has String context.


setScope

public final void setScope(org.mozilla.javascript.Node.Scope s)
Can only be called when node has String context.


newTarget

public static Node newTarget()

labelId

public final int labelId()

labelId

public void labelId(int labelId)

hasConsistentReturnUsage

public boolean hasConsistentReturnUsage()
Checks that every return usage in a function body is consistent with the requirements of strict-mode.

Returns:
true if the function satisfies strict mode requirement.

hasSideEffects

public boolean hasSideEffects()

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object

toStringTree

public java.lang.String toStringTree(ScriptOrFnNode treeTop)