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com.google.javascript.jscomp
Interface CodingConvention

All Superinterfaces:
Serializable
All Known Implementing Classes:
ClosureCodingConvention, CodingConventions.Proxy, GoogleCodingConvention, JqueryCodingConvention
public interface CodingConvention
extends Serializable

CodingConvention defines a set of hooks to customize the behavior of the Compiler for a specific team/company.

Nested Class Summary
static class CodingConvention.AssertionFunctionSpec
          A function that will throw an exception when either: -One or more of its parameters evaluate to false.
static class CodingConvention.Bind
           
static class CodingConvention.DelegateRelationship
          Delegates provides a mechanism and structure for identifying where classes can call out to optional code to augment their functionality.
static class CodingConvention.ObjectLiteralCast
          An object literal cast provides a mechanism to cast object literals to other types without a warning.
static class CodingConvention.SubclassRelationship
           
static class CodingConvention.SubclassType
           
 
Method Summary
 void applyDelegateRelationship(ObjectType delegateSuperclass, ObjectType delegateBase, ObjectType delegator, FunctionType delegateProxy, FunctionType findDelegate)
          In many JS libraries, the function that creates a delegate relationship also adds properties to the delegator and delegate base.
 void applySingletonGetter(FunctionType functionType, FunctionType getterType, ObjectType objectType)
          In many JS libraries, the function that adds a singleton getter to a class adds properties to the class.
 void applySubclassRelationship(FunctionType parentCtor, FunctionType childCtor, CodingConvention.SubclassType type)
          In many JS libraries, the function that produces inheritance also adds properties to the superclass and/or subclass.
 void checkForCallingConventionDefiningCalls(Node n, Map<String,String> delegateCallingConventions)
          Checks for function calls that set the calling conventions on delegate methods.
 void defineDelegateProxyPrototypeProperties(JSTypeRegistry registry, Scope scope, List<ObjectType> delegateProxyPrototypes, Map<String,String> delegateCallingConventions)
          Defines the delegate proxy prototype properties.
 CodingConvention.Bind describeFunctionBind(Node n)
          A Bind instance or null.
 String extractClassNameIfProvide(Node node, Node parent)
          Convenience method for determining provided dependencies amongst different js scripts.
 String extractClassNameIfRequire(Node node, Node parent)
          Convenience method for determining required dependencies amongst different js scripts.
 String getAbstractMethodName()
          Function name for abstract methods.
 Collection<CodingConvention.AssertionFunctionSpec> getAssertionFunctions()
          Returns the set of AssertionFunction.
 CodingConvention.SubclassRelationship getClassesDefinedByCall(Node callNode)
          Checks if the given method defines a subclass relationship, and if it does, returns information on that relationship.
 CodingConvention.DelegateRelationship getDelegateRelationship(Node callNode)
           
 String getDelegateSuperclassName()
           
 String getExportPropertyFunction()
          Function name used when exporting properties.
 String getExportSymbolFunction()
          Function name used when exporting symbols.
 String getGlobalObject()
          Gets the name of the global object.
 CodingConvention.ObjectLiteralCast getObjectLiteralCast(NodeTraversal t, Node callNode)
          Checks if the given method performs a object literal cast, and if it does, returns information on the cast.
 String getSingletonGetterClassName(Node callNode)
          Checks if the given method defines a singleton getter, and if it does, returns the name of the class with the singleton getter.
 List<String> identifyTypeDeclarationCall(Node n)
          Checks if the given CALL node is forward-declaring any types, and returns the name of the types if it is.
 boolean isConstant(String variableName)
          This checks whether a given variable name, such as a name in all-caps should be treated as if it had the @const annotation.
 boolean isConstantKey(String keyName)
          This checks whether a given key of an object literal, such as a name in all-caps should be treated as if it had the @const annotation.
 boolean isExported(String name)
          Should be isExported(name, true) || isExported(name, false);
 boolean isExported(String name, boolean local)
          Checks whether a global variable or function name should be treated as exported, or externally referenceable.
 boolean isOptionalParameter(Node parameter)
          This checks whether a given parameter name should be treated as an optional parameter as far as type checking or function call arg count checking is concerned.
 boolean isPrivate(String name)
          Checks whether a name should be considered private.
 boolean isPropertyTestFunction(Node call)
          Whether this CALL function is testing for the existence of a property.
 boolean isPrototypeAlias(Node getProp)
          Whether this GETPROP node is an alias for an object prototype.
 boolean isSuperClassReference(String propertyName)
          Returns true if passed a string referring to the superclass.
 boolean isValidEnumKey(String key)
          This checks that a given key may be used as a key for an enum.
 boolean isVarArgsParameter(Node parameter)
          This checks whether a given parameter should be treated as a marker for a variable argument list function.
 

Method Detail

isConstant

boolean isConstant(String variableName)
This checks whether a given variable name, such as a name in all-caps should be treated as if it had the @const annotation.

Parameters:
variableName - potentially constant variable name
Returns:
true if the name should be treated as a constant.

isConstantKey

boolean isConstantKey(String keyName)
This checks whether a given key of an object literal, such as a name in all-caps should be treated as if it had the @const annotation.

isValidEnumKey

boolean isValidEnumKey(String key)
This checks that a given key may be used as a key for an enum.

Parameters:
key - the potential key to an enum
Returns:
true if the key may be used as an enum key, false otherwise

isOptionalParameter

boolean isOptionalParameter(Node parameter)
This checks whether a given parameter name should be treated as an optional parameter as far as type checking or function call arg count checking is concerned. Note that an optional function parameter may be declared as a simple type and is automatically converted to a union of the declared type and Undefined.

Parameters:
parameter - The parameter's node.
Returns:
true if the parameter should be treated as an optional parameter.

isVarArgsParameter

boolean isVarArgsParameter(Node parameter)
This checks whether a given parameter should be treated as a marker for a variable argument list function. A VarArgs parameter must be the last parameter in a function declaration.

Parameters:
parameter - The parameter's node.
Returns:
true if the parameter should be treated as a variable length parameter.

isExported

boolean isExported(String name,
                   boolean local)
Checks whether a global variable or function name should be treated as exported, or externally referenceable.

Parameters:
name - A global variable or function name.
local - true if the name is a local variable.
Returns:
true if the name should be considered exported.

isExported

boolean isExported(String name)
Should be isExported(name, true) || isExported(name, false);

isPrivate

boolean isPrivate(String name)
Checks whether a name should be considered private. Private global variables and functions can only be referenced within the source file in which they are declared. Private properties and methods should only be accessed by the class that defines them.

Parameters:
name - The name of a global variable or function, or a method or property.
Returns:
true if the name should be considered private.

getClassesDefinedByCall

CodingConvention.SubclassRelationship getClassesDefinedByCall(Node callNode)
Checks if the given method defines a subclass relationship, and if it does, returns information on that relationship. By default, always returns null. Meant to be overridden by subclasses.

Parameters:
callNode - A CALL node.

isSuperClassReference

boolean isSuperClassReference(String propertyName)
Returns true if passed a string referring to the superclass. The string will usually be from the string node at the right of a GETPROP, e.g. this.superClass_.

extractClassNameIfProvide

String extractClassNameIfProvide(Node node,
                                 Node parent)
Convenience method for determining provided dependencies amongst different js scripts.

extractClassNameIfRequire

String extractClassNameIfRequire(Node node,
                                 Node parent)
Convenience method for determining required dependencies amongst different js scripts.

getExportPropertyFunction

String getExportPropertyFunction()
Function name used when exporting properties. Signature: fn(object, publicName, symbol).

Returns:
function name.

getExportSymbolFunction

String getExportSymbolFunction()
Function name used when exporting symbols. Signature: fn(publicPath, object).

Returns:
function name.

identifyTypeDeclarationCall

List<String> identifyTypeDeclarationCall(Node n)
Checks if the given CALL node is forward-declaring any types, and returns the name of the types if it is.

applySubclassRelationship

void applySubclassRelationship(FunctionType parentCtor,
                               FunctionType childCtor,
                               CodingConvention.SubclassType type)
In many JS libraries, the function that produces inheritance also adds properties to the superclass and/or subclass.

getAbstractMethodName

String getAbstractMethodName()
Function name for abstract methods. An abstract method can be assigned to an interface method instead of an function expression in order to avoid linter warnings produced by assigning a function without a return value where a return value is expected.

Returns:
function name.

getSingletonGetterClassName

String getSingletonGetterClassName(Node callNode)
Checks if the given method defines a singleton getter, and if it does, returns the name of the class with the singleton getter. By default, always returns null. Meant to be overridden by subclasses.

Parameters:
callNode - A CALL node.

applySingletonGetter

void applySingletonGetter(FunctionType functionType,
                          FunctionType getterType,
                          ObjectType objectType)
In many JS libraries, the function that adds a singleton getter to a class adds properties to the class.

getDelegateRelationship

CodingConvention.DelegateRelationship getDelegateRelationship(Node callNode)

applyDelegateRelationship

void applyDelegateRelationship(ObjectType delegateSuperclass,
                               ObjectType delegateBase,
                               ObjectType delegator,
                               FunctionType delegateProxy,
                               FunctionType findDelegate)
In many JS libraries, the function that creates a delegate relationship also adds properties to the delegator and delegate base.

getDelegateSuperclassName

String getDelegateSuperclassName()
Returns:
the name of the delegate superclass.

checkForCallingConventionDefiningCalls

void checkForCallingConventionDefiningCalls(Node n,
                                            Map<String,String> delegateCallingConventions)
Checks for function calls that set the calling conventions on delegate methods.

defineDelegateProxyPrototypeProperties

void defineDelegateProxyPrototypeProperties(JSTypeRegistry registry,
                                            Scope scope,
                                            List<ObjectType> delegateProxyPrototypes,
                                            Map<String,String> delegateCallingConventions)
Defines the delegate proxy prototype properties. Their types depend on properties of the delegate base methods.

Parameters:
delegateProxyPrototypes - List of delegate proxy prototypes.

getGlobalObject

String getGlobalObject()
Gets the name of the global object.

describeFunctionBind

CodingConvention.Bind describeFunctionBind(Node n)
A Bind instance or null.

isPropertyTestFunction

boolean isPropertyTestFunction(Node call)
Whether this CALL function is testing for the existence of a property.

isPrototypeAlias

boolean isPrototypeAlias(Node getProp)
Whether this GETPROP node is an alias for an object prototype.

getObjectLiteralCast

CodingConvention.ObjectLiteralCast getObjectLiteralCast(NodeTraversal t,
                                                        Node callNode)
Checks if the given method performs a object literal cast, and if it does, returns information on the cast. By default, always returns null. Meant to be overridden by subclasses.

Parameters:
t - The node traversal.
callNode - A CALL node.

getAssertionFunctions

Collection<CodingConvention.AssertionFunctionSpec> getAssertionFunctions()
Returns the set of AssertionFunction.

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