org.problets.domain.model.control.iteration
Class ForLoopModel

java.lang.Object
  org.problets.domain.model.DomainModel
      org.problets.domain.model.control.ControlModel
          org.problets.domain.model.control.ConditionControl
              org.problets.domain.model.control.iteration.AbstractLoopModel
                  org.problets.domain.model.control.iteration.ForLoopModel

All Implemented Interfaces:

java.lang.Cloneable

Direct Known Subclasses:

IForLoopModel, VBForLoopModel

public class ForLoopModel
extends AbstractLoopModel

Class: ForLoopModel Purpose: Class for for loops

Author:

Garrett Dancik, Modified by Greg Tomalesky, Amruth Kumar

Field Summary

static int

IDENTITY

Fields inherited from class org.problets.domain.model.control.iteration.AbstractLoopModel

ASSIGNMENT_IN_CONDITION, CONST_CONDITION, DECLARATION_IN_CONDITION, INCORRECT_UPDATE, NO_UPDATE, NULL_CONDITION, TERMINAL_MODIFIED

Fields inherited from class org.problets.domain.model.control.ConditionControl

INCORRECT_TYPE

Fields inherited from class org.problets.domain.model.control.ControlModel

ABORT_EXECUTION, BREAK_EXECUTION, CONTINUE_EXECUTION, END_EXECUTION, INFINITE_EXECUTION, RETURN_EXECUTION, RUN_TIME_ERROR_EXECUTION, SKIP_EXECUTION

Fields inherited from class org.problets.domain.model.DomainModel

BOOLEAN, BREAKPOINT, CHARACTER, DOUBLE_PRECISION_REAL, ERROR_TYPE, EVAL_STATUS, expACTION, expASSIGNMENT, expAUTO_DEALLOCATION, expCALL, expCONDITION, expDECLARATION, expDEREFERENCING, expDYNAMIC_ALLOCATION, expDYNAMIC_ALLOCATION_INITIALIZATION, expDYNAMIC_DEALLOCATION, expELSE_CLAUSE, expERROR, expEXECUTION, expIF_CLAUSE, expINITIALIZATION, expINPUT, expPARAMETER_PASSING, expPRINT, expQUESTIONABLE, expREFERENCING, expRETURN, expRUNTIME_ERROR, expSEMANTIC_ERROR, expSYNTAX_ERROR, expUPDATE, MAX_OBJECT_IDENTITY, MIN_OBJECT_IDENTITY, QUADRUPLE_PRECISION_REAL, RUNTIME_ERROR, SEMANTIC_ERROR, SIGNED_INTEGER, SIGNED_LONG, SIGNED_SHORT, SINGLE_PRECISION_REAL, SYNTAX_ERROR, UNDEFINED_TYPE, UNSIGNED_INTEGER, UNSIGNED_LONG, UNSIGNED_SHORT, WARNING

Constructor Summary

ForLoopModel(ActivationRecord parent, HeapModel heap, java.lang.String in_template, int in_scopeType)
public ForLoopModel(ActivationRecord parent, HeapModel heap, String in_template, int in_scopeType); The constructor for the ForLoopModel class

Method Summary

ExecutionStatus	explainInitial(RunEnv runEnv, Behavior behavior, boolean stepFlag, int lineNumber) public void explainInitial(Vector explanation, Vector errors, int lineNumber); This function handles explaining any declarations, initializations, or assignments in the for loop header
ExecutionStatus	explainProcess(RunEnv runEnv, Behavior behavior, boolean stepFlag) public void explainProcess(Vector explanation, OutputStream output, Vector errors) This function generates the explanation of the code for the student.
ExecutionStatus	explainUpdate(RunEnv runEnv, Behavior behavior, int lineNumber) public void explainUpdate(Vector explanation, Vector errors, int lineNumber); This function handles explaining any update that occurs in the for loop header
void	getCode(java.util.Vector codeText, OutputStream output) public void getCode(Vector codeText, OutputStream output) This function generates the code seen by the student
java.lang.String	getName() Get the name of this control construct - for generation of error menus
static boolean	grade(java.lang.String template, java.lang.String code)
static void	main(java.lang.String[] args)
void	parseHeader(java.lang.String header) protected void parseHeader(String header); Extract the initial, condition, and update parts of the For Loop Header

Methods inherited from class org.problets.domain.model.control.iteration.AbstractLoopModel

getLoopValues, getPossibleErrors

Methods inherited from class org.problets.domain.model.control.ControlModel

getCodeLength, getStartLineNumber

Methods inherited from class org.problets.domain.model.DomainModel

clone, getId, getIdName

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

IDENTITY

public static final int IDENTITY

See Also:

Constant Field Values

Constructor Detail

ForLoopModel

public ForLoopModel(ActivationRecord parent,
                    HeapModel heap,
                    java.lang.String in_template,
                    int in_scopeType)

public ForLoopModel(ActivationRecord parent, HeapModel heap, String in_template, int in_scopeType); The constructor for the ForLoopModel class

Parameters:

parent - - an Activation record passed from the parent

heap - - the heap object used

in_template - - holds the for loop template

in_scopeType - - the scope type for this scope object

Method Detail

parseHeader

public void parseHeader(java.lang.String header)

protected void parseHeader(String header); Extract the initial, condition, and update parts of the For Loop Header

Parameters:

header - - a String that holds the header

getName

public java.lang.String getName()

Get the name of this control construct - for generation of error menus

Overrides:

getName in class ControlModel

getCode

public void getCode(java.util.Vector codeText,
                    OutputStream output)

public void getCode(Vector codeText, OutputStream output) This function generates the code seen by the student

Overrides:

getCode in class ControlModel

Parameters:

codeText - - a vector that holds the code

explainInitial

public ExecutionStatus explainInitial(RunEnv runEnv,
                                      Behavior behavior,
                                      boolean stepFlag,
                                      int lineNumber)

public void explainInitial(Vector explanation, Vector errors, int lineNumber); This function handles explaining any declarations, initializations, or assignments in the for loop header

Parameters:

explanation - - a vector holding the explanation

errors - - a vector holding any errors

lineNumber - - holds the current line number

explainUpdate

public ExecutionStatus explainUpdate(RunEnv runEnv,
                                     Behavior behavior,
                                     int lineNumber)

public void explainUpdate(Vector explanation, Vector errors, int lineNumber); This function handles explaining any update that occurs in the for loop header

Parameters:

explanation - - a vector holding the explanation

errors - - a vector holding any errors

lineNumber - - holds the current line number

explainProcess

public ExecutionStatus explainProcess(RunEnv runEnv,
                                      Behavior behavior,
                                      boolean stepFlag)

public void explainProcess(Vector explanation, OutputStream output, Vector errors) This function generates the explanation of the code for the student.

Overrides:

explainProcess in class ControlModel

Parameters:

explanation - - a vector holding the explanation lines

errors - - a vector holding the error lines

Returns:

status of execution

grade

public static boolean grade(java.lang.String template,
                            java.lang.String code)

main

public static void main(java.lang.String[] args)