Package nz.org.riskscape.rl.ast

Class FunctionCall.Argument

java.lang.Object

nz.org.riskscape.rl.ast.FunctionCall.Argument

Enclosing class:

FunctionCall

public static final class FunctionCall.Argument
extends Object

Constructor Summary

Constructors

Constructor	Description
Argument(Expression expression)
Argument(Expression expression, String keyword)
Argument(Expression expression, Optional<Token> nameToken)

Method Summary

Modifier and Type	Method	Description
void	appendSource(StringBuilder appendTo)
boolean	equals(Object o)
<T> ResultOrProblems<T>	evaluateConstant(RealizationContext context, Class<T> requiredJavaType, Type requiredType)	Attempts to realize and evaluate this argument's expression against an empty Struct, returning useful problems if the expression wasn't constant or if the returned type doesn't match the expected java type.
Expression	getExpression()
Optional<String>	getName()
Optional<Token>	getNameToken()
int	hashCode()
boolean	isKeywordArgument()
String	toSource()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

Argument

public Argument(Expression expression,
 String keyword)

Argument

public Argument(Expression expression)

Argument

public Argument(Expression expression,
 Optional<Token> nameToken)

Method Details

getName

public Optional<String> getName()

getNameToken

public Optional<Token> getNameToken()

appendSource

public void appendSource(StringBuilder appendTo)

isKeywordArgument

public boolean isKeywordArgument()

Returns:

if this argument has a keyword, e.g. foo(bar: baz) vs foo(baz)

toSource

public String toSource()

evaluateConstant

public <T> ResultOrProblems<T> evaluateConstant(RealizationContext context,
 Class<T> requiredJavaType,
 Type requiredType)

Attempts to realize and evaluate this argument's expression against an empty Struct, returning useful problems if the expression wasn't constant or if the returned type doesn't match the expected java type.

ExpressionRealizer.realizeConstant(Expression) has more details.

Type Parameters:

T - the expected object

Parameters:

requiredJavaType - the java type that we expect the expression to yield. Checked against the expression's return type, not the actual constant value's class type.

requiredType - a riskscape type to use in any error message that's generated

getExpression

public Expression getExpression()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object