openjava.mop
Class FileEnvironment

java.lang.Object
  |
  +--openjava.mop.Environment
        |
        +--openjava.mop.FileEnvironment

public class FileEnvironment

extends Environment

An environment based upon a Java source file.

The symbols available are those specified in import statements, and the class(es) defined in this file.

Since:

%SOFTWARE% 1.0

Version:

1.0

Author:

Michiaki Tatsubori

See Also:

Object

Nested Class Summary

Nested classes inherited from class openjava.mop.Environment

Environment.BasicVariableInfo, Environment.VariableInfo

Field Summary

private Vector	importedClasses
private Vector	importedPackages
private Vector	localClasses
private Hashtable	localClassTable
private String	mainClassName
private static HashSet	nonExistentClasses Cache to speed up theClassExists(java.lang.String).
private String	packageName

Fields inherited from class openjava.mop.Environment

parent

Constructor Summary

FileEnvironment(Environment e)

FileEnvironment(Environment e, CompilationUnit comp_unit, String mainname)

FileEnvironment(Environment e, String pack, String name)

Method Summary

void	bindVariable(String name, Environment.VariableInfo info) binds a name to the class type.
String	getPackage() Gets the package name.
String	getPublicClassName()
boolean	importClass(String qualified_name) Imports a class.
void	importPackage(String name) Imports a package.
private boolean	isAlreadyImportedClass(String qualified_name)
private boolean	isCrashingClassName(String simple_name)
private static boolean	isPrimitiveType(String name)
Environment.VariableInfo	lookupBind(String name) Looks up a binded type of the given variable or field name.
OJClass	lookupClass(String name) Looks a class object up.
void	record(String name, OJClass clazz) Records a class object.
void	recordLocalClassName(String name) Register a simple name as a local class
private String	searchImportedClasses(String simple_name)
private String	searchImportedPackages(String simple_name)
void	setPackage(String pack) Sets the package name.
private boolean	theClassExists(String class_name)
String	toQualifiedName(String name) Obtains the fully-qualified name of the given class name.
String	toString()
private static void	writeStringVector(PrintWriter out, Vector v)

Methods inherited from class openjava.mop.Environment

bindVariable, currentClassName, getClassEnvironmentParent, getGlobalEnvironment, getParent, isBind, isQualifiedName, isRegisteredModifier, lookupClass, recordMemberClass, toPackageName, toSimpleName

Methods inherited from class java.lang.Object

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

Field Detail

packageName

private String packageName

mainClassName

private String mainClassName

localClasses

private Vector localClasses

importedClasses

private Vector importedClasses

importedPackages

private Vector importedPackages

localClassTable

private Hashtable localClassTable

nonExistentClasses

private static HashSet nonExistentClasses

Cache to speed up theClassExists(java.lang.String).

Constructor Detail

FileEnvironment

public FileEnvironment(Environment e,
                       String pack,
                       String name)

FileEnvironment

public FileEnvironment(Environment e)

FileEnvironment

public FileEnvironment(Environment e,
                       CompilationUnit comp_unit,
                       String mainname)

Method Detail

toString

public String toString()

Specified by:

toString in class Environment

writeStringVector

private static void writeStringVector(PrintWriter out,
                                      Vector v)

getPublicClassName

public String getPublicClassName()

setPackage

public void setPackage(String pack)

Sets the package name.

getPackage

public String getPackage()

Gets the package name.

Overrides:

getPackage in class Environment

lookupClass

public OJClass lookupClass(String name)

Looks a class object up.

Overrides:

lookupClass in class Environment

Parameters:

name - the name of the fully-qualified name of the class looked for

record

public void record(String name,
                   OJClass clazz)

Records a class object.

Specified by:

record in class Environment

Parameters:

name - the fully-qualified name of the class

clazz - the class object associated with that name

importClass

public boolean importClass(String qualified_name)

Imports a class.

Parameters:

qualified_name - fully-qualified name of the imported class

Returns:

false if the given name is already registered or if it is an ambiguous name.

importPackage

public void importPackage(String name)

Imports a package.

Parameters:

name - the fully-qualified name of the imported package

toQualifiedName

public String toQualifiedName(String name)

Obtains the fully-qualified name of the given class name.

Overrides:

toQualifiedName in class Environment

Parameters:

name - a simple class name or a fully-qualified class name

Returns:

the fully-qualified name of the class

recordLocalClassName

public void recordLocalClassName(String name)

Register a simple name as a local class

isPrimitiveType

private static final boolean isPrimitiveType(String name)

searchImportedClasses

private String searchImportedClasses(String simple_name)

isAlreadyImportedClass

private boolean isAlreadyImportedClass(String qualified_name)

isCrashingClassName

private boolean isCrashingClassName(String simple_name)

searchImportedPackages

private String searchImportedPackages(String simple_name)

theClassExists

private boolean theClassExists(String class_name)

bindVariable

public void bindVariable(String name,
                         Environment.VariableInfo info)

binds a name to the class type.

Specified by:

bindVariable in class Environment

Parameters:

name - the fully-qualified name of the class

info - the class object associated with that name

lookupBind

public Environment.VariableInfo lookupBind(String name)

Description copied from class: Environment

Looks up a binded type of the given variable or field name.

Overrides:

lookupBind in class Environment

Parameters:

name - the fully-qualified name of the class