private void CompileFormalList(Node ActiveNode)
{
if (ActiveNode.Nodes[0].TypeToken != TokenType.Epsilon)
{
FormalTypes.Add(ActiveNode.Nodes[0]);
FormalIds.Add(ActiveNode.Nodes[1]);
ParametersStack[ParametersStack.Count - 1].Add(ActiveNode.Nodes[1].Value);
CreateCode(ActiveNode.Nodes[2]);
}
}
private Collections.List <PropertyDeclaration> VisitProperties(List <Property> properties)
{
var props = new Collections.List <PropertyDeclaration>(properties.Count);
foreach (Property prop in properties)
{
props.Add(VisitClassProperty(prop));
}
return(props);
}
private Collections.List <PropertyDeclaration> VisitClassBody(ClassBody classBody)
{
var properties = new Collections.List <PropertyDeclaration>(classBody.Body.Count);
foreach (ClassProperty classProperty in classBody.Body)
{
properties.Add(VisitClassProperty(classProperty));
}
return(properties);
}
private UstSpecific.ArrayPatternExpression VisitArrayPattern(ArrayPattern arrayPattern)
{
var elements = new Collections.List <ParameterDeclaration>(arrayPattern.Elements.Count);
foreach (IArrayPatternElement elem in arrayPattern.Elements)
{
ParameterDeclaration paramDecl = VisitArrayPatternElement(elem);
elements.Add(paramDecl);
}
return(new UstSpecific.ArrayPatternExpression(elements, GetTextSpan(arrayPattern)));
}
private Collections.List <ParameterDeclaration> VisitParameters(Esprima.Ast.List <INode> parameters)
{
var result = new Collections.List <ParameterDeclaration>(parameters.Count);
foreach (INode param in parameters)
{
UstTokens.IdToken name;
if (param is Identifier identifier)
{
name = VisitIdentifier(identifier);
}
else
{
// TODO: extend parameter declaration
name = new UstTokens.IdToken("", GetTextSpan(param));
}
result.Add(new ParameterDeclaration(null, null, name, name.TextSpan));
}
return(result);
}
public RootUst Convert(ParseTree langParseTree)
{
try
{
var esprimaParseTree = (JavaScriptEsprimaParseTree)langParseTree;
if (SourceFile == null)
{
SourceFile = esprimaParseTree.SourceFile;
}
var program = VisitProgram(esprimaParseTree.SyntaxTree);
var rootUst = new RootUst(SourceFile, Language.JavaScript, GetTextSpan(esprimaParseTree.SyntaxTree))
{
Nodes = new Ust[] { program },
};
var comments = new Collections.List <CommentLiteral>(esprimaParseTree.Comments.Count);
foreach (Comment comment in esprimaParseTree.Comments)
{
TextSpan textSpan = GetTextSpan(comment);
comments.Add(new CommentLiteral(SourceFile.GetSubstring(textSpan), textSpan)
{
Root = rootUst,
});
}
rootUst.Comments = comments.ToArray();
rootUst.Root = ParentRoot;
rootUst.FillAscendants();
return(rootUst);
}
catch (Exception ex) when(!(ex is ThreadAbortException))
{
Logger.LogError(new ConversionException(SourceFile, ex));
return(null);
}
}
private TypeDeclaration VisitClassDeclaration(ClassDeclaration classDeclaration)
{
var name = classDeclaration.Id != null
? VisitIdentifier(classDeclaration.Id)
: null;
var baseTypes = new Collections.List <TypeToken>();
if (classDeclaration.SuperClass != null)
{
if (VisitExpression(classDeclaration.SuperClass) is TypeToken superClassTypeToken)
{
baseTypes.Add(superClassTypeToken);
}
}
var properties = VisitClassBody(classDeclaration.Body);
return(new TypeDeclaration(null, name, properties, GetTextSpan(classDeclaration))
{
BaseTypes = baseTypes
});
}
private static void Translate <TEntity>(System.Data.Common.DbDataReader reader, out Collections.List <TEntity> entities) where TEntity : class
{
// Initilize list
entities = new Collections.List <TEntity>();
System.Type type = typeof(TEntity);
System.Reflection.MethodInfo methodInfo = type.GetMethod("Factory", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public);
while (reader.Read())
{
// Create Object
TEntity entity = (TEntity)methodInfo.Invoke(null, new object[0]);
foreach (System.Reflection.PropertyInfo property in type.GetProperties())
{
if (IsComplexType(property)) // Complex Type
{
Entities.EntityObject complexEntity = null;
if (TryGetValue(property, reader, out complexEntity))
{
property.SetValue(entity, complexEntity, null);
}
}
else if (IsPrimitiveType(property)) // Primitive Type
{
object value = null;
if (TryGetValue(property.Name, reader, out value))
{
property.SetValue(entity, value, null);
}
}
}
entities.Add(entity);
}
}
/// <summary>
/// Private function for handling subroutines.
/// Encountered subroutines are handled first! Nested subs may not yield the expected outcome... Refer to sample script file.
/// </summary>
/// <param name="t_arg">Token that holds the ParL value after the function name</param>
/// <returns>Token after the one that contains the ParR value</returns>
private Token ParseFunction(ref Token t_arg)
{
string fname = t_arg.val;
if (t_arg.next.kind != 4)
{
throw new Exception("Expected '(' after function name!");
}
t_arg = t_arg.next.next; //eat parL and get next char
//
Collections.List <Token> args = new Collections.List <Token>();
while (t_arg.kind != 8)
{
switch (t_arg.kind)
{
case 1:
args.Add(new Token()
{
val = t_arg.val, kind = t_arg.kind
});
break;
case 2:
args.Add(new Token()
{
val = t_arg.val, kind = t_arg.kind
});
break;
case 3:
args.Add(ParseFunction(ref t_arg));
break;
default:
throw new Exception("Unsupported character as argument!");
}
t_arg = t_arg.next;
}
char op = '\0';
/*
* List of functions. Some were added later on to be able to run certain test cases.
* That might explain the messy appearance of this bit.. Highly influenced by foobar2000 scripting.
*/
switch (fname)
{
case "if":
if (args.Count < 2)
{
throw new ArgumentException("Expected at least 2 arguments!");
}
return((this.ConvertToBool(GetValue(args[0]))) ? args[1] : new Token()
{
val = String.Empty, kind = 1, line = 0, next = null
});
case "if2":
if (args.Count < 3)
{
throw new ArgumentException("Expected at least 3 arguments!");
}
return(new Token()
{
val = (this.ConvertToBool(GetValue(args[0]))) ? GetValue(args[1]) : GetValue(args[2]), kind = 1
});
case "puts":
if (args.Count < 2)
{
throw new ArgumentException("Expected at least 2 arguments!");
}
if (args[0].kind != 2)
{
throw new Exception("Expected a variable for the first argument");
}
_VARS[args[0].val] = GetValue(args[1]);
return(new Token()
{
kind = 1, val = ""
});
case "add":
op = '+';
goto case "mathop";
case "sub":
op = '-';
goto case "mathop";
case "mul":
op = '*';
goto case "mathop";
case "div":
op = '/';
goto case "mathop";
case "mathop":
{
if (args.Count < 2)
{
throw new ArgumentException("Expected at least 2 arguments!");
}
double a, b;
if (double.TryParse(GetValue(args[0]), out a) && double.TryParse(GetValue(args[1]), out b))
{
switch (op)
{
case '+':
return(new Token()
{
kind = 1, val = (a + b).ToString()
});
case '-':
return(new Token()
{
kind = 1, val = (a - b).ToString()
});
case '/':
return(new Token()
{
kind = 1, val = (a / b).ToString()
});
case '*':
return(new Token()
{
kind = 1, val = (a * b).ToString()
});
default:
throw new ArgumentException("Invalid operator detected.");
}
}
else
{
throw new ArgumentException("Non-numeric arguments detected.");
}
}
case "eq":
if (args.Count < 2)
{
throw new ArgumentException("Expected at least 2 arguments!");
}
else if (args.Count == 2)
{
return new Token()
{
kind = 1, val = GetValue(args[0]).Equals(GetValue(args[1])).ToString()
}
}
;
else //more than 2 arguments
{
int argnum = 1; bool state = false;
while (argnum < args.Count)
{
state = state | GetValue(args[0]).Equals(GetValue(args[argnum++]));
}
return(new Token()
{
kind = 1, val = state.ToString()
});
}
case "and":
if (args.Count < 2)
{
throw new ArgumentException("Expected at least 2 arguments!");
}
else if (args.Count == 2)
{
return(new Token()
{
kind = 1,
val =
(Convert.ToBoolean(GetValue(args[0])) && Convert.ToBoolean(GetValue(args[1]))).ToString()
});
}
else //more than 2 arguments
{
int argnum = 1; bool state = true;
while (argnum < args.Count)
{
state = state & Boolean.Parse(GetValue(args[argnum++]));
}
return(new Token()
{
kind = 1, val = state.ToString()
});
}
case "cmp":
if (args.Count < 3 || args.Count > 3)
{
throw new ArgumentException("Expected 3 arguments!");
}
else
{
int scenario; bool result;
double arg0, arg1;
if (Int32.TryParse(GetValue(args[2]), out scenario) &&
Double.TryParse(GetValue(args[0]), out arg0) &&
Double.TryParse(GetValue(args[1]), out arg1))
{
switch (scenario)
{
case -1:
result = (arg0 < arg1);
break;
case 1:
result = (arg0 > arg1);
break;
default:
result = (arg0 == arg1);
break;
}
}
else
{
throw new ArgumentException("Expected numerical arguments! Use eq function for string comparison!");
}
return(new Token()
{
kind = 1, val = result.ToString()
});
}
//IO Functions that were never implemented..
case "open":
{
if (args.Count < 2)
{
throw new ArgumentException("Expected at least 2 arguments!");
}
try
{
IO.StreamReader temp = new IO.StreamReader(GetValue(args[1]));
_PIPES[args[0].val] = temp;
}
catch (IO.IOException ie) { throw ie; }
return(new Token()
{
kind = 1, val = ""
});
}
case "close":
{
if (args.Count < 1)
{
throw new ArgumentException("Expected 1 argument!");
}
IO.StreamReader temp;
if (_PIPES.TryGetValue(GetValue(args[0]), out temp))
{
temp.Close();
_PIPES.Remove(GetValue(args[0]));
}
return(new Token()
{
kind = 1, val = ""
});
}
default:
throw new Exception("Unexistent function name.");
}
}
