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Scala example source code file (SingleFileILPrinterVisitor.scala)

This example Scala source code file (SingleFileILPrinterVisitor.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Scala tags/keywords

array, array, assemblybuilder, bufferedwriter, filewriter, ilprintervisitor, io, modulebuilder, printwriter, printwriter, singlefileilprintervisitor, singlefileilprintervisitor, string, string, util

The Scala SingleFileILPrinterVisitor.scala source code

/*
 * System.Reflection.Emit-like API for writing .NET assemblies in MSIL
 */


package ch.epfl.lamp.compiler.msil.emit

import java.io.FileWriter
import java.io.BufferedWriter
import java.io.PrintWriter
import java.io.IOException
import java.util.Iterator
import java.util.HashMap
import java.util.Arrays

import ch.epfl.lamp.compiler.msil._
import ch.epfl.lamp.compiler.msil.emit
import ch.epfl.lamp.compiler.msil.util.Table

/**
 * The MSIL printer Visitor. It prints a complete
 * assembly in a single file that can be compiled by ilasm.
 *
 * @author Nikolay Mihaylov
 * @author Daniel Lorch
 * @version 1.0
 */
final class SingleFileILPrinterVisitor(_fileName: String) extends ILPrinterVisitor {
    var fileName: String = _fileName

    out = new PrintWriter(new BufferedWriter(new FileWriter(fileName)))
    
   /**
     * Visit an AssemblyBuilder
     */
   @throws(classOf[IOException])
   def caseAssemblyBuilder(assemblyBuilder: AssemblyBuilder) {
	ILPrinterVisitor.currAssembly = assemblyBuilder

	// first get the entryPoint
	this.entryPoint = assemblyBuilder.EntryPoint

	// all external assemblies
	as = assemblyBuilder.getExternAssemblies()
  scala.util.Sorting.quickSort(as)(assemblyNameComparator) // Arrays.sort(as, assemblyNameComparator)

        assemblyBuilder.generatedFiles += fileName
	printAssemblyBoilerplate()

	// print each module
        var m: Array[Module] = assemblyBuilder.GetModules()
        nomembers = true
        for(val i <- 0 until m.length) {
	    print(m(i).asInstanceOf[ModuleBuilder])
	}

        nomembers = false
        for(val i <- 0 until m.length) {
	    print(m(i).asInstanceOf[ModuleBuilder])
	}
	// close out file
	out.close()
	ILPrinterVisitor.currAssembly = null
    }

    /**
     * Visit a ModuleBuilder
     */
    @throws(classOf[IOException])
    def caseModuleBuilder(module: ModuleBuilder) {
	// print module declaration
	currentModule = module
        if (nomembers) {
            print(".module \'"); print(module.Name); println("\'")
            printAttributes(module)
        }

	if (!module.globalsCreated)
	    module.CreateGlobalFunctions()

	var m: Array[MethodInfo] = module.GetMethods()
        for(val i <- 0 until m.length) {
	    print(m(i).asInstanceOf[MethodBuilder])
	}

	var t: Array[Type] = module.GetTypes()
        for(val i <- 0 until t.length) {
	    print(t(i).asInstanceOf[TypeBuilder])
	}
	currentModule = null
    }

}  // class SingleFileILPrinterVisitor

Other Scala examples (source code examples)

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