sirius.tagliatelle.expression

Class MethodCall

java.lang.Object

sirius.tagliatelle.expression.Call

sirius.tagliatelle.expression.MethodCall

All Implemented Interfaces:

Expression

public class MethodCall
extends Call

Invokes a Java Method.

Field Summary

Fields inherited from class sirius.tagliatelle.expression.Call

NO_ARGS, parameterExpressions

Constructor Summary

Constructors

Constructor and Description
MethodCall(Expression self) Creates a new instance and specifies the expression on which the method is invoked.

Method Summary

Modifier and Type	Method and Description
void	bindToMethod(parsii.tokenizer.Char position, CompilationContext context, String name) Tries to find a matching method for the given name, type of "self" and parameter types.
Expression	copy() Creates a deep copy of the expression which can be modified without affecting the original expression.
Object	eval(LocalRenderContext ctx) Evaluates the expression into an object using the given context.
Class<?>	getType() Returns the Java class of the objects yielded by this expression.
Expression	propagateVisitor(ExpressionVisitor visitor) Visits all child nodes and then the node itself.
Expression	reduce() Reduces and optimizes the expression if possible.
String	toString()

Methods inherited from class sirius.tagliatelle.expression.Call

copyParametersTo, isConstant, setParameters

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

MethodCall

public MethodCall(Expression self)

Creates a new instance and specifies the expression on which the method is invoked.

Parameters:

self - the expression on which the method is invoked.

Method Detail

propagateVisitor

public Expression propagateVisitor(ExpressionVisitor visitor)

Description copied from interface: Expression

Visits all child nodes and then the node itself.

Specified by:

propagateVisitor in interface Expression

Overrides:

propagateVisitor in class Call

Parameters:

visitor - the visitor to invoke for all child nodes and on the node itself

Returns:

the result of the invocation of the given visitor on this node

reduce

public Expression reduce()

Description copied from interface: Expression

Reduces and optimizes the expression if possible.

Returns:

either the node itself or an optimized / reduced version if possible

copy

public Expression copy()

Description copied from interface: Expression

Creates a deep copy of the expression which can be modified without affecting the original expression.

Returns:

a deep copy of the expression

eval

public Object eval(LocalRenderContext ctx)

Description copied from interface: Expression

Evaluates the expression into an object using the given context.

Parameters:

ctx - the current rendering context

Returns:

the result of the evaluation

getType

public Class<?> getType()

Description copied from interface: Expression

Returns the Java class of the objects yielded by this expression.

Returns:

the type of objects created by this expression

bindToMethod

public void bindToMethod(parsii.tokenizer.Char position,
                         CompilationContext context,
                         String name)

Tries to find a matching method for the given name, type of "self" and parameter types.

Parameters:

position - the position where the invocation was declared

context - the compilation context for error reporting

name - the name of the method to find

toString

public String toString()

Overrides:

toString in class Object