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com.google.javascript.jscomp
Class JSModule

java.lang.Object
  extended by com.google.javascript.jscomp.JSModule
All Implemented Interfaces:
DependencyInfo, Serializable
public class JSModule
extends Object
implements DependencyInfo, Serializable

A JavaScript module has a unique name, consists of a list of compiler inputs, and can depend on other modules.

See Also:
Serialized Form

Constructor Summary
JSModule(String name)
          Creates an instance.
 
Method Summary
 void add(CompilerInput input)
          Adds a source code input to this module.
 void add(SourceFile file)
          Adds a source file input to this module.
 void addAfter(CompilerInput input, CompilerInput other)
          Adds a source code input to this module directly after other.
 void addDependency(JSModule dep)
          Adds a dependency on another module.
 void addFirst(CompilerInput input)
          Adds a source code input to this module.
 void addFirst(SourceFile file)
          Adds a source file input to this module.
 void clearAsts()
          Removes any references to nodes of the AST.
 Set<JSModule> getAllDependencies()
          Returns the transitive closure of dependencies starting from the dependencies of this module.
 CompilerInput getByName(String name)
          Returns the input with the given name or null if none.
 List<JSModule> getDependencies()
          Gets the list of modules that this module depends on.
 int getDepth()
           
 List<CompilerInput> getInputs()
          Gets this module's list of source code inputs.
 String getName()
          Gets the module name.
 String getPathRelativeToClosureBase()
          Gets the path of this file relative to Closure's base.js file.
 List<String> getProvides()
          Gets the symbols provided by this file.
 List<String> getRequires()
          Gets the symbols required by this file.
 Set<JSModule> getThisAndAllDependencies()
          Returns this module and all of its dependencies in one list.
 void remove(CompilerInput input)
          Removes an input from this module.
 void removeAll()
          Removes all of the inputs from this module.
 boolean removeByName(String name)
          Removes any input with the given name.
 void setDepth(int dep)
           
 void sortInputsByDeps(Compiler compiler)
          Puts the JS files into a topologically sorted order by their dependencies.
static JSModule[] sortJsModules(Collection<JSModule> modules)
          Returns the given collection of modules in topological order.
 String toString()
          Returns the module name (primarily for debugging).
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

JSModule

public JSModule(String name)
Creates an instance.

Parameters:
name - A unique name for the module
Method Detail

getName

public String getName()
Gets the module name.

Specified by:
getName in interface DependencyInfo

getProvides

public List<String> getProvides()
Description copied from interface: DependencyInfo
Gets the symbols provided by this file.

Specified by:
getProvides in interface DependencyInfo

getRequires

public List<String> getRequires()
Description copied from interface: DependencyInfo
Gets the symbols required by this file.

Specified by:
getRequires in interface DependencyInfo

getPathRelativeToClosureBase

public String getPathRelativeToClosureBase()
Description copied from interface: DependencyInfo
Gets the path of this file relative to Closure's base.js file.

Specified by:
getPathRelativeToClosureBase in interface DependencyInfo

add

public void add(SourceFile file)
Adds a source file input to this module.

addFirst

public void addFirst(SourceFile file)
Adds a source file input to this module.

add

public void add(CompilerInput input)
Adds a source code input to this module.

addFirst

public void addFirst(CompilerInput input)
Adds a source code input to this module.

addAfter

public void addAfter(CompilerInput input,
                     CompilerInput other)
Adds a source code input to this module directly after other.

addDependency

public void addDependency(JSModule dep)
Adds a dependency on another module.

remove

public void remove(CompilerInput input)
Removes an input from this module.

removeAll

public void removeAll()
Removes all of the inputs from this module.

getDependencies

public List<JSModule> getDependencies()
Gets the list of modules that this module depends on.

Returns:
A list that may be empty but not null

getAllDependencies

public Set<JSModule> getAllDependencies()
Returns the transitive closure of dependencies starting from the dependencies of this module.

getThisAndAllDependencies

public Set<JSModule> getThisAndAllDependencies()
Returns this module and all of its dependencies in one list.

getInputs

public List<CompilerInput> getInputs()
Gets this module's list of source code inputs.

Returns:
A list that may be empty but not null

getByName

public CompilerInput getByName(String name)
Returns the input with the given name or null if none.

removeByName

public boolean removeByName(String name)
Removes any input with the given name. Returns whether any were removed.

toString

public String toString()
Returns the module name (primarily for debugging).

Overrides:
toString in class Object

clearAsts

public void clearAsts()
Removes any references to nodes of the AST. This method is needed to allow the ASTs to be garbage collected if the modules are kept around.

sortInputsByDeps

public void sortInputsByDeps(Compiler compiler)
Puts the JS files into a topologically sorted order by their dependencies.

sortJsModules

public static JSModule[] sortJsModules(Collection<JSModule> modules)
                                throws SortedDependencies.CircularDependencyException
Returns the given collection of modules in topological order. Note that this will return the modules in the same order if they are already sorted, and in general, will only change the order as necessary to satisfy the ordering dependencies. This can be important for cases where the modules do not properly specify all dependencies.

Throws:
SortedDependencies.CircularDependencyException

setDepth

public void setDepth(int dep)
Parameters:
dep - the depth to set

getDepth

public int getDepth()
Returns:
the depth
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