/// <summary>
/// Generate a C# program from the Dafny program and, if "invokeCsCompiler" is "true", invoke
/// the C# compiler to compile it.
/// </summary>
public static bool CompileDafnyProgram(Dafny.Program dafnyProgram, string dafnyProgramName,
ReadOnlyCollection <string> otherFileNames, bool invokeCsCompiler,
TextWriter outputWriter = null)
{
Contract.Requires(dafnyProgram != null);
if (outputWriter == null)
{
outputWriter = Console.Out;
}
// Compile the Dafny program into a string that contains the C# program
var oldErrorCount = dafnyProgram.reporter.Count(ErrorLevel.Error);
Dafny.Compiler compiler;
switch (DafnyOptions.O.CompileTarget)
{
case DafnyOptions.CompilationTarget.Csharp:
default:
compiler = new Dafny.CsharpCompiler(dafnyProgram.reporter);
break;
case DafnyOptions.CompilationTarget.JavaScript:
compiler = new Dafny.JavaScriptCompiler(dafnyProgram.reporter);
break;
}
Method mainMethod;
var hasMain = compiler.HasMain(dafnyProgram, out mainMethod);
var sw = new TargetWriter();
compiler.Compile(dafnyProgram, sw);
if (hasMain)
{
compiler.EmitCallToMain(mainMethod, sw);
}
var csharpProgram = sw.ToString();
bool completeProgram = dafnyProgram.reporter.Count(ErrorLevel.Error) == oldErrorCount;
// blurt out the code to a file, if requested, or if other files were specified for the C# command line.
string targetFilename = null;
if (DafnyOptions.O.SpillTargetCode > 0 || otherFileNames.Count > 0)
{
targetFilename = WriteDafnyProgramToFile(dafnyProgramName, csharpProgram, completeProgram, outputWriter);
}
// compile the program into an assembly
if (!completeProgram || !invokeCsCompiler)
{
// don't compile
return(false);
}
else if (!CodeDomProvider.IsDefinedLanguage("CSharp"))
{
outputWriter.WriteLine("Error: cannot compile, because there is no provider configured for input language CSharp");
return(false);
}
else
{
var provider = CodeDomProvider.CreateProvider("CSharp", new Dictionary <string, string> {
{ "CompilerVersion", "v4.0" }
});
var cp = new System.CodeDom.Compiler.CompilerParameters();
cp.GenerateExecutable = hasMain;
if (DafnyOptions.O.RunAfterCompile)
{
cp.GenerateInMemory = true;
}
else if (hasMain)
{
cp.OutputAssembly = Path.ChangeExtension(dafnyProgramName, "exe");
cp.GenerateInMemory = false;
}
else
{
cp.OutputAssembly = Path.ChangeExtension(dafnyProgramName, "dll");
cp.GenerateInMemory = false;
}
cp.CompilerOptions = "/debug /nowarn:0164 /nowarn:0219 /nowarn:1717 /nowarn:0162 /nowarn:0168"; // warning CS0164 complains about unreferenced labels, CS0219/CS0168 is about unused variables, CS1717 is about assignments of a variable to itself, CS0162 is about unreachable code
cp.ReferencedAssemblies.Add("System.Numerics.dll");
cp.ReferencedAssemblies.Add("System.Core.dll");
cp.ReferencedAssemblies.Add("System.dll");
var libPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + Path.DirectorySeparatorChar;
if (DafnyOptions.O.UseRuntimeLib)
{
cp.ReferencedAssemblies.Add(libPath + "DafnyRuntime.dll");
}
var immutableDllFileName = "System.Collections.Immutable.dll";
var immutableDllPath = libPath + immutableDllFileName;
if (DafnyOptions.O.Optimize)
{
cp.CompilerOptions += " /optimize /define:DAFNY_USE_SYSTEM_COLLECTIONS_IMMUTABLE";
cp.ReferencedAssemblies.Add(immutableDllPath);
cp.ReferencedAssemblies.Add("System.Runtime.dll");
}
int numOtherSourceFiles = 0;
if (otherFileNames.Count > 0)
{
foreach (var file in otherFileNames)
{
string extension = Path.GetExtension(file);
if (extension != null)
{
extension = extension.ToLower();
}
if (extension == ".cs")
{
numOtherSourceFiles++;
}
else if (extension == ".dll")
{
cp.ReferencedAssemblies.Add(file);
}
}
}
CompilerResults cr;
if (numOtherSourceFiles > 0)
{
string[] sourceFiles = new string[numOtherSourceFiles + 1];
sourceFiles[0] = targetFilename;
int index = 1;
foreach (var file in otherFileNames)
{
string extension = Path.GetExtension(file);
if (extension != null)
{
extension = extension.ToLower();
}
if (extension == ".cs")
{
sourceFiles[index++] = file;
}
}
cr = provider.CompileAssemblyFromFile(cp, sourceFiles);
}
else
{
cr = provider.CompileAssemblyFromSource(cp, csharpProgram);
}
if (DafnyOptions.O.RunAfterCompile && !hasMain)
{
// do no more
return(cr.Errors.Count == 0 ? true : false);
}
var assemblyName = Path.GetFileName(cr.PathToAssembly);
if (DafnyOptions.O.RunAfterCompile && cr.Errors.Count == 0)
{
outputWriter.WriteLine("Program compiled successfully");
outputWriter.WriteLine("Running...");
outputWriter.WriteLine();
var entry = cr.CompiledAssembly.EntryPoint;
try {
object[] parameters = entry.GetParameters().Length == 0 ? new object[] { } : new object[] { new string[0] };
entry.Invoke(null, parameters);
} catch (System.Reflection.TargetInvocationException e) {
outputWriter.WriteLine("Error: Execution resulted in exception: {0}", e.Message);
outputWriter.WriteLine(e.InnerException.ToString());
} catch (Exception e) {
outputWriter.WriteLine("Error: Execution resulted in exception: {0}", e.Message);
outputWriter.WriteLine(e.ToString());
}
}
else if (cr.Errors.Count == 0)
{
outputWriter.WriteLine("Compiled assembly into {0}", assemblyName);
if (DafnyOptions.O.Optimize)
{
var outputDir = Path.GetDirectoryName(dafnyProgramName);
if (string.IsNullOrWhiteSpace(outputDir))
{
outputDir = ".";
}
var destPath = outputDir + Path.DirectorySeparatorChar + immutableDllFileName;
File.Copy(immutableDllPath, destPath, true);
outputWriter.WriteLine("Copied /optimize dependency {0} to {1}", immutableDllFileName, outputDir);
}
}
else
{
outputWriter.WriteLine("Errors compiling program into {0}", assemblyName);
foreach (var ce in cr.Errors)
{
outputWriter.WriteLine(ce.ToString());
outputWriter.WriteLine();
}
return(false);
}
return(true);
}
}
/// <summary>
/// Generate a C# program from the Dafny program and, if "invokeCompiler" is "true", invoke
/// the C# compiler to compile it.
/// </summary>
public static bool CompileDafnyProgram(Dafny.Program dafnyProgram, string dafnyProgramName,
ReadOnlyCollection <string> otherFileNames, bool invokeCompiler,
TextWriter outputWriter = null)
{
Contract.Requires(dafnyProgram != null);
Contract.Requires(dafnyProgramName != null);
if (outputWriter == null)
{
outputWriter = Console.Out;
}
// Compile the Dafny program into a string that contains the target program
var oldErrorCount = dafnyProgram.reporter.Count(ErrorLevel.Error);
Dafny.Compiler compiler;
switch (DafnyOptions.O.CompileTarget)
{
case DafnyOptions.CompilationTarget.Csharp:
default:
compiler = new Dafny.CsharpCompiler(dafnyProgram.reporter);
break;
case DafnyOptions.CompilationTarget.JavaScript:
compiler = new Dafny.JavaScriptCompiler(dafnyProgram.reporter);
break;
}
Method mainMethod;
var hasMain = compiler.HasMain(dafnyProgram, out mainMethod);
var sw = new TargetWriter();
compiler.Compile(dafnyProgram, sw);
if (hasMain)
{
compiler.EmitCallToMain(mainMethod, sw);
}
var targetProgramText = sw.ToString();
bool completeProgram = dafnyProgram.reporter.Count(ErrorLevel.Error) == oldErrorCount;
// blurt out the code to a file, if requested, or if other files were specified for the C# command line.
string targetFilename = null;
if (DafnyOptions.O.SpillTargetCode > 0 || otherFileNames.Count > 0)
{
targetFilename = WriteDafnyProgramToFile(dafnyProgramName, targetProgramText, completeProgram, outputWriter);
}
// compile the program into an assembly
if (!completeProgram || !invokeCompiler)
{
// don't compile
return(false);
}
object compilationResult;
var compiledCorrectly = compiler.CompileTargetProgram(dafnyProgramName, targetProgramText, targetFilename, otherFileNames,
hasMain, hasMain && DafnyOptions.O.RunAfterCompile, outputWriter, out compilationResult);
if (compiledCorrectly && DafnyOptions.O.RunAfterCompile)
{
if (hasMain)
{
outputWriter.WriteLine("Running...");
outputWriter.WriteLine();
compiledCorrectly = compiler.RunTargetProgram(dafnyProgramName, targetProgramText, targetFilename, otherFileNames, compilationResult, outputWriter);
}
}
return(compiledCorrectly);
}