public RumorCompiler LinkAction
(string name, Engine.ValueType p1, Engine.ValueType p2,
Engine.ValueType p3, Engine.ValueType p4)
{
userState.LinkAction(name, p1, p2, p3, p4);
return(this);
}
public RumorCompiler LinkFunction
(string name, Engine.ValueType p1, Engine.ValueType p2,
Engine.ValueType p3, Engine.ValueType result)
{
userState.LinkFunction(name, p1, p2, p3, result);
return(this);
}
public void LinkAction
(string name, Engine.ValueType p1, Engine.ValueType p2,
Engine.ValueType p3, Engine.ValueType p4)
{
BindingHints[BindingUtil.MungeName(BindingType.Action, name, 4)] =
new BindingActionHint4(p1, p2, p3, p4);
}
public void LinkFunction
(string name, Engine.ValueType p1, Engine.ValueType p2,
Engine.ValueType p3, Engine.ValueType p4, Engine.ValueType result)
{
BindingHints[BindingUtil.MungeName(BindingType.Function, name, 4)] =
new BindingFunctionHint4(p1, p2, p3, p4, result);
}
public void LinkVariable(int errorIndex, string id, Engine.ValueType type)
{
if (UsedVariables.ContainsKey(id) && UsedVariables[id] != type)
{
throw new ReasonException(errorIndex,
"we are trying to use the variable \"" + id +
"\" as a " + type + ", but it has already been " +
"used as a " + UsedVariables[id] + "!"
);
}
UsedVariables[id] = type;
ResolveVariables(errorIndex);
}
public static Parser <string> Variable(Engine.ValueType type)
{
return(state =>
{
using (var transaction = new Transaction(state))
{
var errorIndex = state.Index;
var id = Identifier(state);
var userState = (RumorParserState)state.UserState;
userState.LinkVariable(errorIndex, id, type);
transaction.CommitIndex();
return id;
}
});
}
private static Parser <Expression> Param(Engine.ValueType t)
{
return(state =>
{
switch (t)
{
case Engine.ValueType.Boolean:
return Logic(state);
case Engine.ValueType.Number:
return Math(state);
case Engine.ValueType.String:
return Quote(state);
default:
throw new InvalidOperationException(
"Unknown value type!"
);
}
});
}
public void LinkAction
(string name, Engine.ValueType p1, Engine.ValueType p2)
{
BindingHints[BindingUtil.MungeName(BindingType.Action, name, 2)] =
new BindingActionHint2(p1, p2);
}
public void LinkFunction
(string name, Engine.ValueType p1, Engine.ValueType result)
{
BindingHints[BindingUtil.MungeName(BindingType.Function, name, 1)] =
new BindingFunctionHint1(p1, result);
}