org.problets.domain.model.control.abstraction
Class Scope

java.lang.Object
  org.problets.domain.model.DomainModel
      org.problets.domain.model.control.ControlModel
          org.problets.domain.model.control.abstraction.Scope

All Implemented Interfaces:

java.lang.Cloneable

Direct Known Subclasses:

Statement, StatementSequence

public abstract class Scope
extends ControlModel

Models a scope object. Serves as the base class for Statement, StatementSequence, Block, Function and Program

Author:

Amruth Kumar

Field Summary

static int	IDENTITY The identity of this class
static java.lang.String	MISPLACED_BREAK Error corresponding to misplaced break statement
static java.lang.String	MISPLACED_CONTINUE Error corresponding to misplaced continue statement

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

Scope(ActivationRecord parentActivationRecord, HeapModel heap, java.lang.String inTemplate)
Constructs a Scope object

Method Summary

ActivationRecord	getActivationRecord()
static java.lang.String	getParameterCode(java.lang.String template, ActivationRecord activationRecord) Returns the code the actual parameters in a function call
java.lang.String[]	getPossibleErrors() Method to return errors for scope objects May want to post-process based on Student Model
static void	main(java.lang.String[] args)
ExecutionStatus	newFunctionCall(RunEnv runEnv, Behavior behavior, java.lang.String statement, int codeLineNumber, boolean stepFlag) Calls the function and adds its explanation, output and errors to the respective vectors.

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

explainProcess, getCode, getCodeLength, getName, getStartLineNumber

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

clone, getId, getIdName, grade

Methods inherited from class java.lang.Object

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

Field Detail

IDENTITY

public static final int IDENTITY

The identity of this class

See Also:

Constant Field Values

MISPLACED_BREAK

public static final java.lang.String MISPLACED_BREAK

Error corresponding to misplaced break statement

See Also:

Constant Field Values

MISPLACED_CONTINUE

public static final java.lang.String MISPLACED_CONTINUE

Error corresponding to misplaced continue statement

See Also:

Constant Field Values

Constructor Detail

Scope

public Scope(ActivationRecord parentActivationRecord,
             HeapModel heap,
             java.lang.String inTemplate)

Constructs a Scope object

Parameters:

parentActivationRecord - ActivationRecord of the parent

heap - HeapModel that can be accessed by this scope object

inTemplate - String representing the template for this scope object

Method Detail

getActivationRecord

public ActivationRecord getActivationRecord()

getPossibleErrors

public java.lang.String[] getPossibleErrors()

Method to return errors for scope objects May want to post-process based on Student Model

Specified by:

getPossibleErrors in class ControlModel

getParameterCode

public static java.lang.String getParameterCode(java.lang.String template,
                                                ActivationRecord activationRecord)

Returns the code the actual parameters in a function call

newFunctionCall

public ExecutionStatus newFunctionCall(RunEnv runEnv,
                                       Behavior behavior,
                                       java.lang.String statement,
                                       int codeLineNumber,
                                       boolean stepFlag)

Calls the function and adds its explanation, output and errors to the respective vectors. Returns execution status as defined by the constants in ControlModel.

Parameters:

statement - String in the format "( , );" (including ending semi-colon

main

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