com.whitestein.lsps.lang.ast

Class UnknownExpression

java.lang.Object

com.whitestein.lsps.lang.ast.ASTRangeImpl

com.whitestein.lsps.lang.ast.ASTNodeImpl

com.whitestein.lsps.lang.ast.Expression

com.whitestein.lsps.lang.ast.UnknownExpression

All Implemented Interfaces:

ASTInfo, ASTNode, ASTRange

public final class UnknownExpression
extends Expression

This expression is used internally by the parser to denote expression which is not valid or it could not be parsed completely, e.g. because of too general expected type.

Author:

rba

Field Summary

Fields inherited from interface com.whitestein.lsps.lang.ast.ASTInfo

EMPTY

Constructor Summary

Constructors

Constructor and Description
UnknownExpression(ASTInfo info, Type guessType, Collection<Expression> expressions)
UnknownExpression(ASTInfo info, Type guessType, Expression... expressions)

Method Summary

Modifier and Type	Method and Description
<T,E extends Throwable> T	accept(ExpressionVisitor<T,E> visitor) Accepts visitor.
protected Object	basicInterpret(Interpreter interpreter, InterpreterStackTrace stackTrace) Interpret expression.
List<Expression>	getExpressions() Returns the list of child expressions.

Methods inherited from class com.whitestein.lsps.lang.ast.Expression

createANTLRParser, doInterpret, evalCondition, evaluateToExpressions, executeCompiled, getCompiled, getDebugLine, getIdentifierAst, getParseTimeConstant, getPrimaryRange, getPropertySelectorRange, getRange, getResultExpression, getResultExpressions, getType, interpret, interpretInCurrentNamespace, isCreatingNonModuleContextObjects, isParseTimeConstant, requiresNewNamespace, setCompiled, showInFullText, showInSurroundingText, showInText, toExpressions

Methods inherited from class com.whitestein.lsps.lang.ast.ASTNodeImpl

getFullText, getLine, getNodeText, getText, toString

Methods inherited from class com.whitestein.lsps.lang.ast.ASTRangeImpl

contains, getBeginIndex, getEndIndex, getLength

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.whitestein.lsps.lang.ast.ASTNode

getFullText, getLine, getNodeText, getText

Methods inherited from interface com.whitestein.lsps.lang.ast.ASTRange

contains, getBeginIndex, getEndIndex, getLength

Constructor Detail

UnknownExpression

public UnknownExpression(ASTInfo info,
                         Type guessType,
                         Expression... expressions)

Parameters:

info -

guessType -

expressions -

UnknownExpression

public UnknownExpression(ASTInfo info,
                         Type guessType,
                         Collection<Expression> expressions)

Parameters:

info -

guessType -

expressions -

Method Detail

getExpressions

public List<Expression> getExpressions()

Returns the list of child expressions.

Returns:

the list of expressions

accept

public <T,E extends Throwable> T accept(ExpressionVisitor<T,E> visitor)
                                 throws E extends Throwable

Description copied from class: Expression

Accepts visitor.

Specified by:

accept in class Expression

Returns:

the result of visit

Throws:

E

E extends Throwable

basicInterpret

protected Object basicInterpret(Interpreter interpreter,
                                InterpreterStackTrace stackTrace)

Description copied from class: Expression

Interpret expression.

Specified by:

basicInterpret in class Expression

Returns:

result of interpretation