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/*
* System.Reflection.Emit-like API for writing .NET assemblies to MSIL
*/
package ch.epfl.lamp.compiler.msil.emit
import ch.epfl.lamp.compiler.msil._
import java.io.IOException
/**
* Defines and represents a dynamic assembly.
* A dynamic assembly is an assembly that is created using the compiler.msil
* emit APIs. The dynamic modules in the assembly are saved when the dynamic
* assembly is saved using the Save method. To generate an executable, the
* SetEntryPoint method must be called to identify the method that is the
* entry point to the assembly. Assemblies are saved as DLL by default,
* unless SetEntryPoint requests the generation of a console application
* or a Windows-based application.
*
* @author Nikolay Mihaylov
* @version 1.0
*/
class AssemblyBuilder(name: AssemblyName)
extends Assembly(name)
with ICustomAttributeSetter
with Visitable
{
//##########################################################################
// public methods
/**
* Defines a dynamic module with the given name that will be saved
* to the specified file. No symbol information is emitted.
*/
def DefineDynamicModule(name: String, fileName: String): ModuleBuilder = {
val module = new ModuleBuilder(name, fileName, "" + null, this)
addModule(name, module)
return module
}
/** Returns the dynamic module with the specified name. */
def GetDynamicModule(name: String): ModuleBuilder = {
return GetModule(name).asInstanceOf[ModuleBuilder]
}
/** Saves this dynamic assembly to disk. */
@throws(classOf[IOException])
def Save(fileName: String) {
generatedFiles = scala.collection.mutable.ArrayBuffer.empty[String]
ILPrinterVisitor.printAssembly(this, fileName)
}
@throws(classOf[IOException])
def Save(destPath: String, sourceFilesPath: String) {
generatedFiles = scala.collection.mutable.ArrayBuffer.empty[String]
ILPrinterVisitor.printAssembly(this, destPath, sourceFilesPath)
}
/** Returns the list of generated files from calling Save(). */
def GetGeneratedFiles(): Array[String] = {
return generatedFiles.toArray // (new Array[String](generatedFiles.size())).asInstanceOf[Array[String]]
}
/** Sets the entry point for this dynamic assembly. */
def SetEntryPoint(entryMethod: MethodInfo) {
EntryPoint = entryMethod
}
/** Sets a custom attribute. */
def SetCustomAttribute(constr: ConstructorInfo, value: Array[Byte]) {
addCustomAttribute(constr, value)
}
//##########################################################################
// protected members
// all extern assemblies used in this assembly builder
protected var externAssemblies = scala.collection.mutable.Set.empty[Assembly]
// register an extern assembly
protected def registerExternAssembly(assembly: Assembly) {
externAssemblies += assembly
}
// get all extern Assemblies used in this Assembly Builder
def getExternAssemblies(): Array[Assembly] = {
externAssemblies = scala.collection.mutable.Set[Assembly]()
val iter = Assembly.assemblies.values().iterator
while (iter.hasNext) {
externAssemblies += iter.next.asInstanceOf[Assembly]
}
externAssemblies -= this
return externAssemblies.toArray
}
def loadModules() {}
// contains list of generated .msil files after calling Save()
var generatedFiles = scala.collection.mutable.ArrayBuffer.empty[String]
//##########################################################################
//##########################################################################
/** the apply method for a visitor */
@throws(classOf[IOException])
def apply(v: Visitor) {
v.caseAssemblyBuilder(this)
}
//##########################################################################
}
object AssemblyBuilderFactory {
/**
* Defines a dynamic assembly with the specified name.
*/
def DefineDynamicAssembly(name: AssemblyName): AssemblyBuilder = {
//Assembly.reset()
return new AssemblyBuilder(name)
}
}
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