public HeronValue EvalString(string s)
{
Expression x = CodeModelBuilder.CreateExpr(s);
x.ResolveAllTypes(globalModule, globalModule);
return(Eval(x));;
}
static public InterfaceDefn ParseInterface(ModuleDefn m, string s)
{
ParseNode node = ParserState.Parse(HeronGrammar.Interface, s);
if (node == null)
{
return(null);
}
InterfaceDefn r = CodeModelBuilder.CreateInterface(m, node);
return(r);
}
static public ClassDefn ParseClass(ModuleDefn m, string s)
{
ParseNode node = ParserState.Parse(HeronGrammar.Class, s);
if (node == null)
{
return(null);
}
ClassDefn r = CodeModelBuilder.CreateClass(m, node);
return(r);
}
static public ModuleDefn ParseModule(ProgramDefn p, string s, string fileName)
{
ParseNode node = ParserState.Parse(HeronGrammar.Module, s);
if (node == null)
{
return(null);
}
ModuleDefn r = CodeModelBuilder.CreateModule(p, node, fileName);
return(r);
}
public ModuleDefn LoadModule(string sFileName)
{
ModuleDefn m = CodeModelBuilder.ParseFile(program, sFileName);
program.AddModule(m);
string sFileNameAsModuleName = sFileName.Replace('/', '.').Replace('\\', '.');
sFileNameAsModuleName = Path.GetFileNameWithoutExtension(sFileNameAsModuleName);
int n = sFileNameAsModuleName.IndexOf(m.name);
if (n + m.name.Length != sFileNameAsModuleName.Length)
{
throw new Exception("The module name '" + m.name + "' does not correspond to the file name '" + sFileName + "'");
}
return(m);
}
static public ModuleDefn ParseFile(ProgramDefn p, string sFileName)
{
ParseNode node;
string sFileContents = File.ReadAllText(sFileName);
try
{
node = ParserState.Parse(HeronGrammar.File, sFileContents);
}
catch (ParsingException e)
{
Console.WriteLine("Parsing exception occured in file " + sFileName);
Console.WriteLine("at character " + e.context.col + " of line " + e.context.row);
Console.WriteLine(e.context.msg);
Console.WriteLine(e.context.line);
Console.WriteLine(e.context.ptr);
throw;
}
if (node == null)
{
Console.WriteLine("Ill-formed Heron file " + sFileName);
throw new Exception();
}
try
{
ModuleDefn r = CodeModelBuilder.CreateModule(p, node, sFileName);
return(r);
}
catch (ParsingException e)
{
Console.WriteLine("Parsing exception occured in file " + sFileName);
Console.WriteLine("at character " + e.context.col + " of line " + e.context.row);
Console.WriteLine(e.context.msg);
Console.WriteLine(e.context.line);
Console.WriteLine(e.context.ptr);
throw;
}
catch (Exception e)
{
Console.WriteLine("Error occured during construction of code model in file " + sFileName);
Console.WriteLine(e.Message);
throw;
}
}
static public void TestStatement(string s)
{
Console.WriteLine("testing statement: " + s);
try
{
Statement x = CodeModelBuilder.CreateStatement(s);
if (x != null)
{
Console.WriteLine("test passed");
}
else
{
Console.WriteLine("test failed without exception");
}
}
catch (Exception e)
{
Console.WriteLine("test failed with exception " + e.Message);
}
}
static public void TestCreateExprParse(string s)
{
Console.WriteLine("testing expression: " + s);
try
{
Expression x = CodeModelBuilder.CreateExpr(s);
if (x != null)
{
Console.WriteLine("test passed");
Console.WriteLine("result string = " + x.ToString() + ", type " + x.GetType().ToString());
}
else
{
Console.WriteLine("test failed without exception");
}
}
catch (Exception e)
{
Console.WriteLine("test failed with exception " + e.Message);
}
}