protected override BlockTargetWriter /*?*/ CreateMethod(Method m, bool createBody, TargetWriter wr)
{
if (!createBody)
{
return(null);
}
wr.Indent();
wr.Write("{0}{1}(", m.IsStatic ? "static " : "", IdName(m));
int nIns = WriteFormals("", m.Ins, wr);
var w = wr.NewBlock(")");
if (!m.IsStatic)
{
w.Indent(); w.WriteLine("let _this = this;");
}
if (m.IsTailRecursive)
{
w.Indent();
w = w.NewBlock("TAIL_CALL_START: while (true)");
}
var r = new TargetWriter(w.IndentLevel);
EmitReturn(m.Outs, r);
w.BodySuffix = r.ToString();
return(w);
}
/// <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(Microsoft.Armada.Program dafnyProgram, string dafnyProgramName,
ReadOnlyCollection <string> otherFileNames, bool invokeCompiler,
TextWriter outputWriter = null)
{
Contract.Requires(dafnyProgram != null);
Contract.Assert(dafnyProgramName != null);
Console.WriteLine("Running CompileDafnyProgram : {0}", dafnyProgramName);
Console.WriteLine("Number of modules = {0}", dafnyProgram.CompileModules.Count);
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);
Microsoft.Armada.Compiler compiler;
switch (ArmadaOptions.O.CompileTarget)
{
case ArmadaOptions.CompilationTarget.Clight:
default:
compiler = new Microsoft.Armada.ClightTsoCompiler(dafnyProgram.reporter, otherFileNames);
break;
}
Method mainMethod;
var hasMain = compiler.HasMain(dafnyProgram, out mainMethod);
string targetProgramText;
var otherFiles = new Dictionary <string, string>();
{
var fileQueue = new Queue <FileTargetWriter>();
using (var wr = new TargetWriter(0)) {
compiler.Compile(dafnyProgram, wr);
var sw = new StringWriter();
wr.Collect(sw, fileQueue);
targetProgramText = sw.ToString();
}
while (fileQueue.Count > 0)
{
var wr = fileQueue.Dequeue();
var sw = new StringWriter();
wr.Collect(sw, fileQueue);
otherFiles.Add(wr.Filename, sw.ToString());
}
}
string baseName = Path.GetFileNameWithoutExtension(dafnyProgramName);
string callToMain = null;
if (hasMain)
{
using (var wr = new TargetWriter(0)) {
compiler.EmitCallToMain(mainMethod, wr);
callToMain = wr.ToString(); // assume there aren't multiple files just to call main
}
}
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 (ArmadaOptions.O.SpillTargetCode > 0 || otherFileNames.Count > 0 || (invokeCompiler && !compiler.SupportsInMemoryCompilation))
{
var p = callToMain == null ? targetProgramText : targetProgramText + callToMain;
targetFilename = WriteDafnyProgramToFiles(dafnyProgramName, p, completeProgram, otherFiles, outputWriter);
}
// compile the program into an assembly
if (!completeProgram || !invokeCompiler)
{
// don't compile
// Caller interprets this as success/fail and returns an error if false,
// but we didn't actually hit an error, we just didn't invoke the compiler
return(true);
}
// compile the program into an assembly
object compilationResult;
var compiledCorrectly = compiler.CompileTargetProgram(dafnyProgramName, targetProgramText, callToMain, targetFilename, otherFileNames,
hasMain, hasMain && ArmadaOptions.O.RunAfterCompile, outputWriter, out compilationResult);
if (compiledCorrectly && ArmadaOptions.O.RunAfterCompile)
{
if (hasMain)
{
if (ArmadaOptions.O.CompileVerbose)
{
outputWriter.WriteLine("Running...");
outputWriter.WriteLine();
}
compiledCorrectly = compiler.RunTargetProgram(dafnyProgramName, targetProgramText, callToMain, targetFilename, otherFileNames, compilationResult, outputWriter);
}
else
{
// make sure to give some feedback to the user
if (ArmadaOptions.O.CompileVerbose)
{
outputWriter.WriteLine("Program compiled successfully");
}
}
}
return(compiledCorrectly);
}
/// <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.Assert(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;
case DafnyOptions.CompilationTarget.Go:
compiler = new Dafny.GoCompiler(dafnyProgram.reporter);
break;
case DafnyOptions.CompilationTarget.Java:
compiler = new Dafny.JavaCompiler(dafnyProgram.reporter);
break;
}
Method mainMethod;
var hasMain = compiler.HasMain(dafnyProgram, out mainMethod);
string targetProgramText;
var otherFiles = new Dictionary <string, string>();
{
var fileQueue = new Queue <FileTargetWriter>();
using (var wr = new TargetWriter(0)) {
compiler.Compile(dafnyProgram, wr);
var sw = new StringWriter();
wr.Collect(sw, fileQueue);
targetProgramText = sw.ToString();
}
while (fileQueue.Count > 0)
{
var wr = fileQueue.Dequeue();
var sw = new StringWriter();
wr.Collect(sw, fileQueue);
otherFiles.Add(wr.Filename, sw.ToString());
}
}
string baseName = Path.GetFileNameWithoutExtension(dafnyProgramName);
string callToMain = null;
if (hasMain)
{
using (var wr = new TargetWriter(0)) {
if (DafnyOptions.O.CompileTarget is DafnyOptions.CompilationTarget.Java)
{
dafnyProgramName = dafnyProgramName.Replace('-', '_');
wr.WriteLine($"public class {baseName.Replace('-', '_')} {{");
}
compiler.EmitCallToMain(mainMethod, wr);
if (DafnyOptions.O.CompileTarget is DafnyOptions.CompilationTarget.Java)
{
wr.WriteLine("}");
}
callToMain = wr.ToString(); // assume there aren't multiple files just to call main
}
}
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 || (invokeCompiler && !compiler.SupportsInMemoryCompilation))
{
var p = callToMain == null ? targetProgramText : targetProgramText + callToMain;
if (DafnyOptions.O.CompileTarget is DafnyOptions.CompilationTarget.Java && callToMain == null)
{
p = null;
}
targetFilename = WriteDafnyProgramToFiles(dafnyProgramName, p, completeProgram, otherFiles, outputWriter);
}
if (DafnyOptions.O.CompileTarget is DafnyOptions.CompilationTarget.Java)
{
string targetBaseDir = baseName;
string targetDir = Path.Combine(Path.GetDirectoryName(dafnyProgramName), targetBaseDir);
var assemblyLocation = System.Reflection.Assembly.GetExecutingAssembly().Location;
Contract.Assert(assemblyLocation != null);
var codebase = System.IO.Path.GetDirectoryName(assemblyLocation);
Contract.Assert(codebase != null);
string dest = targetDir + "/dafny";
Directory.CreateDirectory(dest);
var jcompiler = (JavaCompiler)compiler;
jcompiler.CompileTuples(dest);
jcompiler.CreateFunctionInterface(dest);
jcompiler.CompileDafnyArrays(dest);
jcompiler.CompileArrayInits(dest);
}
if (!completeProgram)
{
return(false);
}
// If we got until here, compilation to C# succeeded
if (!invokeCompiler)
{
return(true); // If we're not asked to invoke the C# to assembly compiler, we can report success
}
// compile the program into an assembly
object compilationResult;
var compiledCorrectly = compiler.CompileTargetProgram(dafnyProgramName, targetProgramText, callToMain, targetFilename, otherFileNames,
hasMain, hasMain && DafnyOptions.O.RunAfterCompile, outputWriter, out compilationResult);
if (compiledCorrectly && DafnyOptions.O.RunAfterCompile)
{
if (hasMain)
{
if (DafnyOptions.O.CompileVerbose)
{
outputWriter.WriteLine("Running...");
outputWriter.WriteLine();
}
compiledCorrectly = compiler.RunTargetProgram(dafnyProgramName, targetProgramText, callToMain, targetFilename, otherFileNames, compilationResult, outputWriter);
}
else
{
// make sure to give some feedback to the user
if (DafnyOptions.O.CompileVerbose)
{
outputWriter.WriteLine("Program compiled successfully");
}
}
}
return(compiledCorrectly);
}
/// <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.Assert(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;
case DafnyOptions.CompilationTarget.Go:
compiler = new Dafny.GoCompiler(dafnyProgram.reporter);
break;
case DafnyOptions.CompilationTarget.Java:
compiler = new Dafny.JavaCompiler(dafnyProgram.reporter);
break;
case DafnyOptions.CompilationTarget.Cpp:
compiler = new Dafny.CppCompiler(dafnyProgram.reporter, otherFileNames);
break;
}
var hasMain = compiler.HasMain(dafnyProgram, out var mainMethod);
if (hasMain)
{
mainMethod.IsEntryPoint = true;
dafnyProgram.MainMethod = mainMethod;
}
string targetProgramText;
var otherFiles = new Dictionary <string, string>();
{
var fileQueue = new Queue <FileTargetWriter>();
using (var wr = new TargetWriter(0)) {
compiler.Compile(dafnyProgram, wr);
var sw = new StringWriter();
wr.Collect(sw, fileQueue);
targetProgramText = sw.ToString();
}
while (fileQueue.Count > 0)
{
var wr = fileQueue.Dequeue();
var sw = new StringWriter();
wr.Collect(sw, fileQueue);
otherFiles.Add(wr.Filename, sw.ToString());
}
}
string callToMain = null;
if (hasMain)
{
using (var wr = new TargetWriter(0)) {
string baseName = Path.GetFileNameWithoutExtension(dafnyProgramName);
compiler.EmitCallToMain(mainMethod, baseName, wr);
callToMain = wr.ToString(); // assume there aren't multiple files just to call main
}
}
Contract.Assert(hasMain == (callToMain != null));
bool targetProgramHasErrors = dafnyProgram.reporter.Count(ErrorLevel.Error) != oldErrorCount;
compiler.Coverage.WriteLegendFile();
// blurt out the code to a file, if requested, or if other target-language files were specified on the command line.
string targetFilename = null;
if (DafnyOptions.O.SpillTargetCode > 0 || otherFileNames.Count > 0 || (invokeCompiler && !compiler.SupportsInMemoryCompilation) ||
(invokeCompiler && compiler.TextualTargetIsExecutable && !DafnyOptions.O.RunAfterCompile))
{
targetFilename = WriteDafnyProgramToFiles(compiler, dafnyProgramName, targetProgramHasErrors, targetProgramText, callToMain, otherFiles, outputWriter);
}
if (targetProgramHasErrors)
{
return(false);
}
// If we got here, compilation succeeded
if (!invokeCompiler)
{
return(true); // If we're not asked to invoke the target compiler, we can report success
}
// compile the program into an assembly
object compilationResult;
var compiledCorrectly = compiler.CompileTargetProgram(dafnyProgramName, targetProgramText, callToMain, targetFilename, otherFileNames,
hasMain && DafnyOptions.O.RunAfterCompile, outputWriter, out compilationResult);
if (compiledCorrectly && DafnyOptions.O.RunAfterCompile)
{
if (hasMain)
{
if (DafnyOptions.O.CompileVerbose)
{
outputWriter.WriteLine("Running...");
outputWriter.WriteLine();
}
compiledCorrectly = compiler.RunTargetProgram(dafnyProgramName, targetProgramText, callToMain, targetFilename, otherFileNames, compilationResult, outputWriter);
}
else
{
// make sure to give some feedback to the user
if (DafnyOptions.O.CompileVerbose)
{
outputWriter.WriteLine("Program compiled successfully");
}
}
}
return(compiledCorrectly);
}
/// <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.Assert(dafnyProgramName != null);
if (outputWriter == null)
{
outputWriter = Console.Out;
}
bool runRequiresSpill = false;
// 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;
case DafnyOptions.CompilationTarget.Go:
compiler = new Dafny.GoCompiler(dafnyProgram.reporter);
runRequiresSpill = true;
break;
}
Method mainMethod;
var hasMain = compiler.HasMain(dafnyProgram, out mainMethod);
string targetProgramText;
var otherFiles = new Dictionary <string, string>();
{
var fileQueue = new Queue <FileTargetWriter>();
using (var wr = new TargetWriter(0)) {
compiler.Compile(dafnyProgram, wr);
var sw = new StringWriter();
wr.Collect(sw, fileQueue);
targetProgramText = sw.ToString();
}
while (fileQueue.Count > 0)
{
var wr = fileQueue.Dequeue();
var sw = new StringWriter();
wr.Collect(sw, fileQueue);
otherFiles.Add(wr.Filename, sw.ToString());
}
}
string callToMain = null;
if (hasMain)
{
using (var wr = new TargetWriter(0)) {
compiler.EmitCallToMain(mainMethod, wr);
callToMain = wr.ToString(); // assume there aren't multiple files just to call main
}
}
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 || (runRequiresSpill && DafnyOptions.O.RunAfterCompile))
{
var p = callToMain == null ? targetProgramText : targetProgramText + callToMain;
targetFilename = WriteDafnyProgramToFiles(dafnyProgramName, p, completeProgram, otherFiles, outputWriter);
}
// compile the program into an assembly
if (!completeProgram || !invokeCompiler)
{
// don't compile
return(false);
}
object compilationResult;
var compiledCorrectly = compiler.CompileTargetProgram(dafnyProgramName, targetProgramText, callToMain, targetFilename, otherFileNames,
hasMain, hasMain && DafnyOptions.O.RunAfterCompile, outputWriter, out compilationResult);
if (compiledCorrectly && DafnyOptions.O.RunAfterCompile)
{
if (hasMain)
{
if (DafnyOptions.O.CompileVerbose)
{
outputWriter.WriteLine("Running...");
outputWriter.WriteLine();
}
compiledCorrectly = compiler.RunTargetProgram(dafnyProgramName, targetProgramText, callToMain, targetFilename, otherFileNames, compilationResult, outputWriter);
}
else
{
// make sure to give some feedback to the user
if (DafnyOptions.O.CompileVerbose)
{
outputWriter.WriteLine("Program compiled successfully");
}
}
}
return(compiledCorrectly);
}
/// <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);
}
protected override void DeclareDatatype(DatatypeDecl dt, TargetWriter wr)
{
// $module.Dt = class Dt {
// constructor(tag) {
// this.$tag = tag;
// }
// static create_Ctor0(field0, field1, ...) {
// let $dt = new Dt(0);
// $dt.field0 = field0;
// $dt.field1 = field1;
// ...
// return $dt;
// }
// static create_Ctor1(...) {
// let $dt = new Dt(1);
// ...
// }
// ...
//
// get is_Ctor0 { return this.$tag == 0; }
// get is_Ctor1 { return this.$tag == 1; }
// ...
//
// toString() {
// ...
// }
// equals(other) {
// ...
// }
// }
// TODO: need Default member (also for co-datatypes)
// TODO: if HasFinitePossibleValues, need enumerator of values
string DtT = dt.CompileName;
string DtT_protected = IdProtect(DtT);
wr.Indent();
// from here on, write everything into the new block created here:
wr = wr.NewNamedBlock("$module.{0} = class {0}", DtT_protected);
wr.Indent();
wr.WriteLine("constructor(tag) { this.$tag = tag; }");
// query properties
var i = 0;
foreach (var ctor in dt.Ctors)
{
// collect the names of non-ghost arguments
var argNames = new List <string>();
var k = 0;
foreach (var formal in ctor.Formals)
{
if (!formal.IsGhost)
{
argNames.Add(FormalName(formal, k));
k++;
}
}
// static create_Ctor0(params) { return {$tag:0, p0: pararms0, p1: params1, ...}; }
wr.Indent();
wr.Write("static create_{0}(", ctor.CompileName);
wr.Write(Util.Comma(argNames, nm => nm));
var w = wr.NewBlock(")");
w.Indent();
w.WriteLine("let $dt = new {0}({1});", DtT_protected, i);
foreach (var arg in argNames)
{
w.Indent();
w.WriteLine("$dt.{0} = {0};", arg);
}
w.Indent();
w.WriteLine("return $dt;");
i++;
}
// query properties
i = 0;
foreach (var ctor in dt.Ctors)
{
// get is_Ctor0() { return _D is Dt_Ctor0; }
wr.Indent();
wr.WriteLine("get is_{0}() {{ return this.$tag === {1}; }}", ctor.CompileName, i);
i++;
}
if (dt is IndDatatypeDecl && !(dt is TupleTypeDecl))
{
// toString method
wr.Indent();
var w = wr.NewBlock("toString()");
i = 0;
foreach (var ctor in dt.Ctors)
{
var cw = EmitIf(string.Format("this.$tag == {0}", i), true, w);
cw.Indent();
cw.Write("return \"{0}.{1}\"", dt.Name, ctor.Name);
var sep = " + \"(\" + ";
var anyFormals = false;
var k = 0;
foreach (var arg in ctor.Formals)
{
if (!arg.IsGhost)
{
anyFormals = true;
cw.Write("{0}this.{1}.toString()", sep, FormalName(arg, k));
sep = " + \", \" + ";
k++;
}
}
if (anyFormals)
{
cw.Write(" + \")\"");
}
cw.WriteLine(";");
i++;
}
w = w.NewBlock("");
w.Indent();
w.WriteLine("return \"<unexpected>\";");
}
// equals method
wr.Indent();
using (var w = wr.NewBlock("equals(other)")) {
using (var thn = EmitIf("this === other", true, w)) {
EmitReturnExpr("true", thn);
}
i = 0;
foreach (var ctor in dt.Ctors)
{
var thn = EmitIf(string.Format("this.$tag == {0}", i), true, w);
using (var guard = new TargetWriter()) {
guard.Write("other.$tag == {0}", i);
var k = 0;
foreach (Formal arg in ctor.Formals)
{
if (!arg.IsGhost)
{
string nm = FormalName(arg, k);
if (IsDirectlyComparable(arg.Type))
{
guard.Write(" && this.{0} === oth.{0}", nm);
}
else
{
guard.Write(" && _dafny.areEqual(this.{0}, other.{0})", nm);
}
k++;
}
}
EmitReturnExpr(guard.ToString(), thn);
}
i++;
}
using (var els = w.NewBlock("")) {
els.Indent();
els.WriteLine("return false; // unexpected");
}
}
}