polyglot.types
Class LoadedClassResolver

java.lang.Object
  polyglot.types.ClassResolver
      polyglot.types.LoadedClassResolver

All Implemented Interfaces:

Resolver, TopLevelResolver

Direct Known Subclasses:

SourceClassResolver

public class LoadedClassResolver
extends ClassResolver
implements TopLevelResolver

Loads class information from class files, or serialized class infomation from within class files. It does not load from source files.

Field Summary

protected static int	COMPATIBLE
protected static int	MINOR_NOT_COMPATIBLE
protected static int	NOT_COMPATIBLE

Constructor Summary

LoadedClassResolver(TypeSystem ts, java.lang.String classpath, ClassFileLoader loader, Version version, boolean allowRawClasses)
Create a loaded class resolver.

Method Summary

protected int	checkCompilerVersion(java.lang.String clazzVersion) Compare the encoded type's version against the loader's version.
Named	find(java.lang.String name) Find a type by name.
protected ClassType	getEncodedType(ClassFile clazz, java.lang.String name) Extract an encoded type from a class file.
protected ClassFile	loadFile(java.lang.String name) Load a class file for class name.
boolean	packageExists(java.lang.String name) Check if a package exists.

Methods inherited from class java.lang.Object

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

Field Detail

NOT_COMPATIBLE

protected static final int NOT_COMPATIBLE

See Also:

Constant Field Values

MINOR_NOT_COMPATIBLE

protected static final int MINOR_NOT_COMPATIBLE

See Also:

Constant Field Values

COMPATIBLE

protected static final int COMPATIBLE

See Also:

Constant Field Values

Constructor Detail

LoadedClassResolver

public LoadedClassResolver(TypeSystem ts,
                           java.lang.String classpath,
                           ClassFileLoader loader,
                           Version version,
                           boolean allowRawClasses)

Create a loaded class resolver.

Parameters:

ts - The type system

classpath - The class path

loader - The class file loader to use.

version - The version of classes to load.

allowRawClasses - allow class files without encoded type information

Method Detail

packageExists

public boolean packageExists(java.lang.String name)

Description copied from interface: TopLevelResolver

Check if a package exists.

Specified by:

packageExists in interface TopLevelResolver

loadFile

protected ClassFile loadFile(java.lang.String name)

Load a class file for class name.

find

public Named find(java.lang.String name)
           throws SemanticException

Find a type by name.

Specified by:

find in interface Resolver

Specified by:

find in class ClassResolver

Throws:

SemanticException

getEncodedType

protected ClassType getEncodedType(ClassFile clazz,
                                   java.lang.String name)
                            throws SemanticException

Extract an encoded type from a class file.

Throws:

SemanticException

checkCompilerVersion

protected int checkCompilerVersion(java.lang.String clazzVersion)

Compare the encoded type's version against the loader's version.