Class AssignmentStatement
- java.lang.Object
-
- gw.internal.gosu.parser.ParsedElement
-
- gw.internal.gosu.parser.Statement
-
- gw.internal.gosu.parser.statements.AssignmentStatement
-
- All Implemented Interfaces:
IParsedElement
,IStatement
,IAssignmentStatement
public final class AssignmentStatement extends Statement implements IAssignmentStatement
Represents an assignment statement in the Gosu grammar:assignment-statement <identifier> = <expression>
- See Also:
IGosuParser
-
-
Field Summary
Fields Modifier and Type Field Description protected Expression
_expression
protected Identifier
_identifier
-
Fields inherited from class gw.internal.gosu.parser.Statement
VOID_RETURN_VALUE
-
Fields inherited from class gw.internal.gosu.parser.ParsedElement
_tokens, UNDEF_FILE, UNDEF_FUNCTION, UNDEF_MODULE
-
-
Constructor Summary
Constructors Constructor Description AssignmentStatement()
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Object
execute()
Execute the expression.Expression
getExpression()
Identifier
getIdentifier()
protected ITerminalStatement
getLeastSignificantTerminalStatement_internal(boolean[] bAbsolute)
void
setExpression(Expression expression)
void
setIdentifier(Identifier identifier)
String
toString()
Subclasses should return a String representing the parsed statement.-
Methods inherited from class gw.internal.gosu.parser.Statement
execute, getExcludedReturnTypeElements, getLeastSignificant, getLeastSignificantTerminalStatement, getReturnType, hasContent, isNoOp, setParent
-
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, getReturnType, getTokens, hasImmediateParseIssue, hasImmediateParseWarnings, hasParseException, hasParseExceptions, hasParseIssue, hasParseIssues, hasParseWarning, hasParseWarnings, isCompileTimeConstant, isSuppressed, isSynthetic, setLocation, setParent, visit
-
Methods inherited from interface gw.lang.parser.IStatement
execute, getLeastSignificantTerminalStatement, hasContent
-
-
-
-
Field Detail
-
_identifier
protected Identifier _identifier
-
_expression
protected Expression _expression
-
-
Method Detail
-
getIdentifier
public Identifier getIdentifier()
- Specified by:
getIdentifier
in interfaceIAssignmentStatement
- Returns:
- The left-hand-side identifier of the expression.
-
setIdentifier
public void setIdentifier(Identifier identifier)
- Parameters:
identifier
- The left-hand-side identifier of the expression.
-
getExpression
public Expression getExpression()
- Specified by:
getExpression
in interfaceIAssignmentStatement
- Returns:
- The right-hand-side expression of the assignment.
-
setExpression
public void setExpression(Expression expression)
- Parameters:
expression
- The right-hand-side expression of the assignment.
-
execute
public Object execute()
Execute the expression. Evaluates the RHS and assigns the resulting value to the symbol referenced by the LHS identifier.- Specified by:
execute
in interfaceIStatement
- Overrides:
execute
in classStatement
-
getLeastSignificantTerminalStatement_internal
protected ITerminalStatement getLeastSignificantTerminalStatement_internal(boolean[] bAbsolute)
- Specified by:
getLeastSignificantTerminalStatement_internal
in classStatement
-
-