Package gw.internal.gosu.parser

Class Statement

java.lang.Object

gw.internal.gosu.parser.ParsedElement

gw.internal.gosu.parser.Statement

All Implemented Interfaces:

IParsedElement, IStatement

Direct Known Subclasses:

ArrayAssignmentStatement, AssertStatement, AssignmentStatement, BeanMethodCallStatement, BlockInvocationStatement, CatchClause, ClassFileStatement, ClasspathStatement, ClassStatement, EvalStatement, ExpressionStatement, FunctionStatement, IfStatement, InitializerAssignment, LoopStatement, MapAssignmentStatement, MemberAssignmentStatement, MethodCallStatement, NamespaceStatement, NewStatement, NoOpStatement, NotAStatement, PropertyStatement, StatementList, SwitchStatement, SyntheticMemberAccessStatement, TerminalStatement, TryCatchFinallyStatement, TypeLoaderStatement, UsesStatement, UsesStatementList, UsingStatement, VarStatement

public abstract class Statement
extends ParsedElement
implements IStatement

The root class for all Statements represented in a parse tree. As specified in the Gosu grammar.

See Also:

• IGosuParser

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	Statement.LeastSigTerminal

Field Summary

Fields

Modifier and Type	Field	Description
private Statement.LeastSigTerminal	_cachedLeastSigTerm
private static final Statement.LeastSigTerminal	EMPTY_LST
static final Object	VOID_RETURN_VALUE

Fields inherited from class gw.internal.gosu.parser.ParsedElement

_tokens, UNDEF_FILE, UNDEF_FUNCTION, UNDEF_MODULE

Constructor Summary

Constructors

Constructor	Description
Statement()

Method Summary

Modifier and Type	Method	Description
Object	execute()	Execute this statement.
Object	execute(IExternalSymbolMap externalSymbols)	Execute this statement.
protected List	getExcludedReturnTypeElements()
static ITerminalStatement	getLeastSignificant(ITerminalStatement... termStmts)
final ITerminalStatement	getLeastSignificantTerminalStatement(boolean[] bAbsolute)	Indicates whether or not control flow is terminal at this statement.
protected abstract ITerminalStatement	getLeastSignificantTerminalStatement_internal(boolean[] bAbsolute)
IType	getReturnType()
boolean	hasContent()
boolean	isNoOp()
void	setParent(IParsedElement rootElement)
abstract String	toString()	Subclasses should return a String representing the parsed statement.

Methods inherited from class gw.internal.gosu.parser.ParsedElement

addExceptionsFrom, addParseException, addParseException, addParseException, addParseExceptions, addParseIssues, addParseWarning, addParseWarning, addParseWarnings, addToken, adjustColumn, adjustLineNum, assignTokens, clearParseExceptions, clearParseTreeInformation, clearParseWarnings, compactParseTree, findAncestorParsedElementByType, findDeclaringStatement, findLineNumberOfDeclaration, findRootParsedElement, getAnnotations, getColumn, getContainedParsedElementsByType, getContainedParsedElementsByTypes, getContainedParsedElementsByTypesWithIgnoreSet, getEnclosingFeatureInfo, getFunctionName, getGosuClass, getGosuProgram, getImmediateParseIssue, getImmediateParseIssues, getLineNum, getLocation, getModule, getParent, getParseExceptions, getParseIssues, getParseWarnings, getQualifyingEnclosingTypeInfo, getTokens, hasImmediateParseIssue, hasImmediateParseWarning, hasImmediateParseWarnings, hasParseException, hasParseExceptions, hasParseIssue, hasParseIssues, hasParseWarning, hasParseWarnings, initEmptyParseTree, initLocation, isCompileTimeConstant, isSuppressed, isSuppressed, isSynthetic, makeDoubleValue, makeFloatValue, makeInteger, makeLong, removeParseException, removeParseWarning, removeParseWarningRecursively, setGosuProgram, setLineNum, setLocation, setSynthetic, shouldClearParseInfo, visit

Methods inherited from class java.lang.Object

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

Methods inherited from interface gw.lang.parser.IParsedElement

addExceptionsFrom, addParseException, addParseException, addParseWarning, addParseWarning, clearParseExceptions, clearParseTreeInformation, clearParseWarnings, findAncestorParsedElementByType, findDeclaringStatement, findRootParsedElement, getColumn, getContainedParsedElementsByType, getContainedParsedElementsByTypes, getContainedParsedElementsByTypesWithIgnoreSet, getFunctionName, getGosuClass, getGosuProgram, getImmediateParseIssue, getImmediateParseIssues, getLineNum, getLocation, getModule, getParent, getParseExceptions, getParseIssues, getParseWarnings, getTokens, hasImmediateParseIssue, hasImmediateParseWarnings, hasParseException, hasParseExceptions, hasParseIssue, hasParseIssues, hasParseWarning, hasParseWarnings, isCompileTimeConstant, isSuppressed, isSynthetic, setLocation, visit

Field Details

EMPTY_LST

private static final Statement.LeastSigTerminal EMPTY_LST

VOID_RETURN_VALUE

public static final Object VOID_RETURN_VALUE

_cachedLeastSigTerm

private Statement.LeastSigTerminal _cachedLeastSigTerm

Constructor Details

Statement

public Statement()

Method Details

execute

public Object execute()

Description copied from interface: IStatement

Execute this statement.

Specified by:

execute in interface IStatement

execute

public Object execute(IExternalSymbolMap externalSymbols)

Description copied from interface: IStatement

Execute this statement.

Specified by:

execute in interface IStatement

toString

public abstract String toString()

Subclasses should return a String representing the parsed statement.

Overrides:

toString in class Object

isNoOp

public boolean isNoOp()

getReturnType

public IType getReturnType()

Specified by:

getReturnType in interface IParsedElement

getExcludedReturnTypeElements

protected List getExcludedReturnTypeElements()

hasContent

public boolean hasContent()

Specified by:

hasContent in interface IStatement

setParent

public void setParent(IParsedElement rootElement)

Specified by:

setParent in interface IParsedElement

Overrides:

setParent in class ParsedElement

getLeastSignificantTerminalStatement

public final ITerminalStatement getLeastSignificantTerminalStatement(boolean[] bAbsolute)

Description copied from interface: IStatement

Indicates whether or not control flow is terminal at this statement.

Specified by:

getLeastSignificantTerminalStatement in interface IStatement

getLeastSignificantTerminalStatement_internal

protected abstract ITerminalStatement getLeastSignificantTerminalStatement_internal(boolean[] bAbsolute)

getLeastSignificant

public static ITerminalStatement getLeastSignificant(ITerminalStatement... termStmts)