Mercury library  1.0
Translation of CFG grammars into an object model (Bachelor's thesis).
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Mercury.Interpreting.FoldingAction< T, U, V > Class Template Reference

"Folds" all its arguments into one value. For instance, for "x y z" arguments this action computes f(f(f(s,x), y), z) where f is the lamda function and s is the seed parameter of the constructor More...

Inheritance diagram for Mercury.Interpreting.FoldingAction< T, U, V >:
Mercury.Interpreting.InterpreterAction< T, U > Mercury.Interpreting.InterpreterAction< T >

Public Member Functions

 FoldingAction (string name, int minargs, Func< V, U, V > f, V seed, ArgumentType flags=ArgumentType.None)
 Initializes a new instance of the FoldingAction{T, U, V} class. More...
 
override V Evaluate (Argument[] arguments, RecursiveEval< T > eval, InterpreterContext< T > context)
 Evaluates the action. More...
 
- Public Member Functions inherited from Mercury.Interpreting.InterpreterAction< T, U >
 InterpreterAction (string name, Tuple< int, int > arity, ArgumentType[] argtypes, bool allowswild=true)
 Initializes a new instance of the InterpreterAction{T,U} class. See Mercury.Interpreting.InterpreterAction{T} for better explanation. More...
 
override object Invoke (Argument[] arguments, RecursiveEval< T > eval, InterpreterContext< T > context)
 Evaluates the arguments.
It is guaranteed to have a valid number of arguments (specified by Arity) and that no argument is null UNLESS the flag Mercury.Interpreting.ArgumentType contains Lazy or Null. More...
 
- Public Member Functions inherited from Mercury.Interpreting.InterpreterAction< T >
 InterpreterAction (string name, Tuple< int, int > arity, ArgumentType[] argtypes, bool allowswild=true)
 Initializes a new instance of the InterpreterAction{T} class. The target application can inherit from this class, but rather one of Mercury.Interpreting.InterpreterAction{T,U} or Mercury.Interpreting.GenericAction{T} is recommended to derive.

Conditions:
More...
 

Additional Inherited Members

- Protected Member Functions inherited from Mercury.Interpreting.InterpreterAction< T >
void CheckDefinition ()
 
- Properties inherited from Mercury.Interpreting.InterpreterAction< T >
string Name [get, set]
 Action name. More...
 
Tuple< int, int > Arity [get, set]
 Minimum and maximum number of arguments. More...
 
ArgumentType ReturnType [get, set]
 Action return type. More...
 
ArgumentType[] ArgumentTypes [get, set]
 Allowed types of arguments. If more arguments specified (within range of Arity), the last type in this array will be used. It can be empty if and only if arity is (0,0). More...
 
bool AllowsWildcard [get, set]
 Indicates whether a Mercury.Interpreting.Wildcard can be an argument of this action. More...
 

Detailed Description

"Folds" all its arguments into one value. For instance, for "x y z" arguments this action computes f(f(f(s,x), y), z) where f is the lamda function and s is the seed parameter of the constructor

Template Parameters
TInterpreter return type
UType of values
VOutput type
Type Constraints
T :class 

Definition at line 415 of file BasicActions.cs.

Constructor & Destructor Documentation

Mercury.Interpreting.FoldingAction< T, U, V >.FoldingAction ( string  name,
int  minargs,
Func< V, U, V >  f,
seed,
ArgumentType  flags = ArgumentType.None 
)

Initializes a new instance of the FoldingAction{T, U, V} class.

Parameters
nameThe name of the action
minargsMinimal number of arguments
fThe lambda function
seedInitial value
flagsThe flags.
Exceptions
System.ArgumentNullExceptionf

Definition at line 432 of file BasicActions.cs.

Member Function Documentation

override V Mercury.Interpreting.FoldingAction< T, U, V >.Evaluate ( Argument[]  arguments,
RecursiveEval< T >  eval,
InterpreterContext< T >  context 
)
virtual

Evaluates the action.

Parameters
argumentsArguments provided by the interpreter.
evalThe recursive evaluation delegate.
contextThe interpreter context.
Returns

Implements Mercury.Interpreting.InterpreterAction< T, U >.

Definition at line 446 of file BasicActions.cs.


The documentation for this class was generated from the following file: