com.whitestein.lsps.lang.ast

Class ClosureExpression

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.ContextReferencingExpression

com.whitestein.lsps.lang.ast.ClosureExpression

All Implemented Interfaces:

ASTInfo, ASTNode, ASTRange

public final class ClosureExpression
extends ContextReferencingExpression

Author:

rba

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ClosureExpression.ClosureArgAst

Field Summary

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

EMPTY

Constructor Summary

Constructors

Constructor and Description
ClosureExpression(ASTInfo info, ClosureType closureType, Expression expression, java.util.List<java.lang.String> argNames)

Method Summary

Modifier and Type	Method and Description
<T,E extends java.lang.Throwable> T	accept(ExpressionVisitor<T,E> visitor) Accepts visitor.
protected java.lang.Object	basicInterpret(Interpreter interpreter, InterpreterStackTrace stackTrace) Interpret expression.
Field[]	createFields(ClosureType closureType)
java.util.List<ClosureExpression.ClosureArgAst>	getArgAsts() Returns the list of argument AST nodes.
java.util.List<java.lang.String>	getArgNames() Returns the argument names.
java.util.Map<java.lang.String,ASTNode>	getArgTypeRanges() Returns the map of argument type ranges.
int	getArgumentCount() Returns the number of arguments.
Expression	getExpression() Returns the body expression.
java.lang.String	getNodeText() Returns the text of this node.
ClosureType	getType() Returns the return type.
boolean	isBodyCreatingNonModuleContextObjects() Returns true if the body expression creates non-module context objects, e.g.
boolean	isModuleContextClosure() Returns true if the closure is not referencing non-module variables from outside scope and no methods (if it is in a method body).
boolean	isReferencingNonModuleContext() Returns true if the closure is referencing non-module variables from outside scope and or methods (if it is in a method body).

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

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

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

getFullText, getLine, 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, getText

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

contains, getBeginIndex, getEndIndex, getLength

Constructor Detail

ClosureExpression

public ClosureExpression(ASTInfo info,
                         ClosureType closureType,
                         Expression expression,
                         java.util.List<java.lang.String> argNames)

Parameters:

info -

closureType -

expression -

argNames -

Throws:

java.lang.NullPointerException - if expression or argNames is null

java.lang.IllegalArgumentException - if argNames contains null

Method Detail

getType

public ClosureType getType()

Description copied from class: Expression

Returns the return type.

Overrides:

getType in class Expression

Returns:

the return type

getExpression

public Expression getExpression()

Returns the body expression.

Returns:

the body expression

getArgumentCount

public int getArgumentCount()

Returns the number of arguments.

Returns:

the number of arguments

getArgNames

public java.util.List<java.lang.String> getArgNames()

Returns the argument names.

Returns:

the argument names

isModuleContextClosure

public boolean isModuleContextClosure()

Returns true if the closure is not referencing non-module variables from outside scope and no methods (if it is in a method body).

Returns:

true if the closure is referencing only the module context

isReferencingNonModuleContext

public boolean isReferencingNonModuleContext()

Description copied from class: ContextReferencingExpression

Returns true if the closure is referencing non-module variables from outside scope and or methods (if it is in a method body).

Specified by:

isReferencingNonModuleContext in class ContextReferencingExpression

Returns:

true if the closure is referencing enclosing non-module context

isBodyCreatingNonModuleContextObjects

public boolean isBodyCreatingNonModuleContextObjects()

Returns true if the body expression creates non-module context objects, e.g. closures or references that reference non-module variables.

Returns:

true if the body expression creates non-module context objects

getNodeText

public java.lang.String getNodeText()

Description copied from interface: ASTNode

Returns the text of this node.

Specified by:

getNodeText in interface ASTNode

Overrides:

getNodeText in class ASTNodeImpl

Returns:

the text of this node

accept

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

Description copied from class: Expression

Accepts visitor.

Specified by:

accept in class Expression

Returns:

the result of visit

Throws:

E

E extends java.lang.Throwable

basicInterpret

protected java.lang.Object basicInterpret(Interpreter interpreter,
                                          InterpreterStackTrace stackTrace)

Description copied from class: Expression

Interpret expression.

Specified by:

basicInterpret in class Expression

Returns:

result of interpretation

createFields

public Field[] createFields(ClosureType closureType)

Parameters:

closureType -

Returns:

the array of fields

getArgTypeRanges

public java.util.Map<java.lang.String,ASTNode> getArgTypeRanges()

Returns the map of argument type ranges.

Returns:

the range map

getArgAsts

public java.util.List<ClosureExpression.ClosureArgAst> getArgAsts()

Returns the list of argument AST nodes.

Returns:

the list of argument AST nodes