asteroids.model.Programs

Class ProgramFactory

java.lang.Object

asteroids.model.Programs.ProgramFactory

All Implemented Interfaces:

asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

public class ProgramFactory
extends java.lang.Object
implements asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

Constructor Summary

Constructors

Constructor and Description
ProgramFactory()

Method Summary

Modifier and Type	Method and Description
Expression	createAdditionExpression(Expression e1, Expression e2, asteroids.part3.programs.SourceLocation location) Returns an expression that evaluates to the addition of the values obtained by evaluating the first and second given expressions.
Expression	createAnyExpression(asteroids.part3.programs.SourceLocation location) Creates an expression that evaluates to an arbitrary entity in the world of the ship that is executing the program.
Statement	createAssignmentStatement(java.lang.String variableName, Expression value, asteroids.part3.programs.SourceLocation sourceLocation) Create a statement that represents the assignment of a variable.
Expression	createAsteroidExpression(asteroids.part3.programs.SourceLocation location) Creates an expression that evaluates to the asteroid that is closest to the ship that is executing the program.
Statement	createBreakStatement(asteroids.part3.programs.SourceLocation sourceLocation) Create a statement that represents a break statement.
Expression	createBulletExpression(asteroids.part3.programs.SourceLocation location) Creates an expression that evaluates to one of the bullets fired by the ship that executes the program.
Expression	createChangeSignExpression(Expression expression, asteroids.part3.programs.SourceLocation sourceLocation) Create an expression that evaluates to the given expression with changed sign (i.e., negated).
Expression	createDoubleLiteralExpression(double value, asteroids.part3.programs.SourceLocation location) Creates an expression that represents a literal double value.
Expression	createEqualityExpression(Expression e1, Expression e2, asteroids.part3.programs.SourceLocation location) Returns an expression that evaluates to true if the evaluation of the first expression yields a value that is equal to the value obtained by evaluating the second expression.
Statement	createFireStatement(asteroids.part3.programs.SourceLocation location) Returns a statement that fires a bullet from the ship that is executing the program.
Expression	createFunctionCallExpression(java.lang.String functionName, java.util.List<Expression> actualArgs, asteroids.part3.programs.SourceLocation sourceLocation) Create an expression that evaluates to result of calling the given function with the given list of actual arguments.
Function	createFunctionDefinition(java.lang.String functionName, Statement body, asteroids.part3.programs.SourceLocation sourceLocation) Create a function definition involving the given function name, parameters and body.
Expression	createGetDirectionExpression(asteroids.part3.programs.SourceLocation location) Returns an expression that evaluates to the direction (in radians) of the ship executing the program.
Expression	createGetRadiusExpression(Expression expression, asteroids.part3.programs.SourceLocation location) Returns an expression that evaluates to the radius of the entity to which the given expression evaluates.
Expression	createGetVXExpression(Expression expression, asteroids.part3.programs.SourceLocation location) Returns an expression that evaluates to the velocity along the x-axis of the entity to which the given expression evaluates.
Expression	createGetVYExpression(Expression expression, asteroids.part3.programs.SourceLocation location) Returns an expression that evaluates to the velocity along the y-axis of the entity to which the given expression evaluates.
Expression	createGetXExpression(Expression expression, asteroids.part3.programs.SourceLocation location) Returns an expression that evaluates to the position along the x-axis of the entity to which the given expression evaluates.
Expression	createGetYExpression(Expression expression, asteroids.part3.programs.SourceLocation location) Returns an expression that evaluates to the position along the y-axis of the entity to which the given expression evaluates.
Statement	createIfStatement(Expression condition, Statement ifBody, Statement elseBody, asteroids.part3.programs.SourceLocation sourceLocation) Create an if-then-else statement.
Expression	createLessThanExpression(Expression e1, Expression e2, asteroids.part3.programs.SourceLocation location) Returns an expression that evaluates to true if the evaluation of the first expression yields a value that is less than the value obtained by evaluating the second expression.
Expression	createMultiplicationExpression(Expression e1, Expression e2, asteroids.part3.programs.SourceLocation location) Returns an expression that evaluates to the multiplication of the values obtained by evaluating the first and second given expressions.
Expression	createNotExpression(Expression expression, asteroids.part3.programs.SourceLocation sourceLocation) Create an expression that evaluates to true when the given expression evaluates to false, and vice versa.
Expression	createNullExpression(asteroids.part3.programs.SourceLocation location) Creates an expression that represents the null value.
Expression	createPlanetExpression(asteroids.part3.programs.SourceLocation location) Creates an expression that evaluates to the minor planet that is closest to the ship that is executing the program.
Expression	createPlanetoidExpression(asteroids.part3.programs.SourceLocation location) Creates an expression that evaluates to the planetoid that is closest to the ship that is executing the program.
Statement	createPrintStatement(Expression value, asteroids.part3.programs.SourceLocation sourceLocation) Create a print statement that prints the value obtained by evaluating the given expression.
Program	createProgram(java.util.List<Function> functions, Statement main) Create a program from the given arguments.
Expression	createReadParameterExpression(java.lang.String parameterName, asteroids.part3.programs.SourceLocation sourceLocation) Create an expression that evaluates to the current value of the given parameter.
Expression	createReadVariableExpression(java.lang.String variableName, asteroids.part3.programs.SourceLocation sourceLocation) Create an expression that evaluates to the current value of the given variable.
Statement	createReturnStatement(Expression value, asteroids.part3.programs.SourceLocation sourceLocation) Create a statement that represents a return statement.
Expression	createSelfExpression(asteroids.part3.programs.SourceLocation location) Creates an expression that represents the self value, evaluating to the ship that executes the program.
Statement	createSequenceStatement(java.util.List<Statement> statements, asteroids.part3.programs.SourceLocation sourceLocation) Create a sequence of statements.
Expression	createShipExpression(asteroids.part3.programs.SourceLocation location) Creates an expression that evaluates to the ship that is closest to the ship that is executing the program.
Statement	createSkipStatement(asteroids.part3.programs.SourceLocation location) Returns a statement that does nothing.
Expression	createSqrtExpression(Expression expression, asteroids.part3.programs.SourceLocation location) Returns an expression that evaluates to the square root of the value obtained by evaluating the given expression.
Statement	createThrustOffStatement(asteroids.part3.programs.SourceLocation location) Returns a statement that turns the thruster of the ship executing the program off.
Statement	createThrustOnStatement(asteroids.part3.programs.SourceLocation location) Returns a statement that turns the thruster of the ship executing the program on.
Statement	createTurnStatement(Expression angle, asteroids.part3.programs.SourceLocation location) Returns a statement that makes the ship that is executing the program turn by the given amount.
Statement	createWhileStatement(Expression condition, Statement body, asteroids.part3.programs.SourceLocation sourceLocation) Create a statement that represents a while loop.

Methods inherited from class java.lang.Object

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

Constructor Detail

ProgramFactory

public ProgramFactory()

Method Detail

createProgram

public Program createProgram(java.util.List<Function> functions,
                             Statement main)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create a program from the given arguments.

Specified by:

createProgram in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

Parameters:

functions - The function definitions for the program.

main - The main statement of the program. Most likely this is a sequence statement.

Returns:

A new program.

createFunctionDefinition

public Function createFunctionDefinition(java.lang.String functionName,
                                         Statement body,
                                         asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create a function definition involving the given function name, parameters and body.

Specified by:

createFunctionDefinition in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

Parameters:

functionName - The name of the function

body - The body of the function.

createAssignmentStatement

public Statement createAssignmentStatement(java.lang.String variableName,
                                           Expression value,
                                           asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create a statement that represents the assignment of a variable.

Specified by:

createAssignmentStatement in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

Parameters:

variableName - The name of the assigned variable

value - An expression that evaluates to the assigned value

createWhileStatement

public Statement createWhileStatement(Expression condition,
                                      Statement body,
                                      asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create a statement that represents a while loop.

Specified by:

createWhileStatement in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

Parameters:

condition - The condition of the while loop

body - The body of the loop (most likely this is a sequence statement).

createBreakStatement

public Statement createBreakStatement(asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create a statement that represents a break statement.

Specified by:

createBreakStatement in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createReturnStatement

public Statement createReturnStatement(Expression value,
                                       asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create a statement that represents a return statement.

Specified by:

createReturnStatement in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

Parameters:

value - An expression that evaluates to the value to be returned

createIfStatement

public Statement createIfStatement(Expression condition,
                                   Statement ifBody,
                                   Statement elseBody,
                                   asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create an if-then-else statement.

Specified by:

createIfStatement in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

Parameters:

condition - The condition of the if statement

ifBody - The body of the if-part, which must be executed when the condition evaluates to true

elseBody - The body of the else-part, which must be executed when the condition evaluates to false. Can be null if no else clause is specified.

createPrintStatement

public Statement createPrintStatement(Expression value,
                                      asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create a print statement that prints the value obtained by evaluating the given expression.

Specified by:

createPrintStatement in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

Parameters:

value - The expression to evaluate and print

createSequenceStatement

public Statement createSequenceStatement(java.util.List<Statement> statements,
                                         asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create a sequence of statements.

Specified by:

createSequenceStatement in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

Parameters:

statements - The statements that must be executed in the given order.

createReadVariableExpression

public Expression createReadVariableExpression(java.lang.String variableName,
                                               asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create an expression that evaluates to the current value of the given variable.

Specified by:

createReadVariableExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

Parameters:

variableName - The name of the variable to read.

createReadParameterExpression

public Expression createReadParameterExpression(java.lang.String parameterName,
                                                asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create an expression that evaluates to the current value of the given parameter.

Specified by:

createReadParameterExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

Parameters:

parameterName - The name of the parameter to read.

createFunctionCallExpression

public Expression createFunctionCallExpression(java.lang.String functionName,
                                               java.util.List<Expression> actualArgs,
                                               asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create an expression that evaluates to result of calling the given function with the given list of actual arguments.

Specified by:

createFunctionCallExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

Parameters:

functionName - The name of the function to call.

actualArgs - A list of expressions that act as actual arguments.

createChangeSignExpression

public Expression createChangeSignExpression(Expression expression,
                                             asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create an expression that evaluates to the given expression with changed sign (i.e., negated).

Specified by:

createChangeSignExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createNotExpression

public Expression createNotExpression(Expression expression,
                                      asteroids.part3.programs.SourceLocation sourceLocation)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Create an expression that evaluates to true when the given expression evaluates to false, and vice versa.

Specified by:

createNotExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createDoubleLiteralExpression

public Expression createDoubleLiteralExpression(double value,
                                                asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Creates an expression that represents a literal double value.

Specified by:

createDoubleLiteralExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createNullExpression

public Expression createNullExpression(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Creates an expression that represents the null value.

Specified by:

createNullExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createSelfExpression

public Expression createSelfExpression(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Creates an expression that represents the self value, evaluating to the ship that executes the program.

Specified by:

createSelfExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createShipExpression

public Expression createShipExpression(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Creates an expression that evaluates to the ship that is closest to the ship that is executing the program.

Specified by:

createShipExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createAsteroidExpression

public Expression createAsteroidExpression(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Creates an expression that evaluates to the asteroid that is closest to the ship that is executing the program.

Specified by:

createAsteroidExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createPlanetoidExpression

public Expression createPlanetoidExpression(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Creates an expression that evaluates to the planetoid that is closest to the ship that is executing the program.

Specified by:

createPlanetoidExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createBulletExpression

public Expression createBulletExpression(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Creates an expression that evaluates to one of the bullets fired by the ship that executes the program.

Specified by:

createBulletExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createPlanetExpression

public Expression createPlanetExpression(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Creates an expression that evaluates to the minor planet that is closest to the ship that is executing the program.

Specified by:

createPlanetExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createAnyExpression

public Expression createAnyExpression(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Creates an expression that evaluates to an arbitrary entity in the world of the ship that is executing the program.

Specified by:

createAnyExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createGetXExpression

public Expression createGetXExpression(Expression expression,
                                       asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns an expression that evaluates to the position along the x-axis of the entity to which the given expression evaluates.

Specified by:

createGetXExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createGetYExpression

public Expression createGetYExpression(Expression expression,
                                       asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns an expression that evaluates to the position along the y-axis of the entity to which the given expression evaluates.

Specified by:

createGetYExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createGetVXExpression

public Expression createGetVXExpression(Expression expression,
                                        asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns an expression that evaluates to the velocity along the x-axis of the entity to which the given expression evaluates.

Specified by:

createGetVXExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createGetVYExpression

public Expression createGetVYExpression(Expression expression,
                                        asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns an expression that evaluates to the velocity along the y-axis of the entity to which the given expression evaluates.

Specified by:

createGetVYExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createGetDirectionExpression

public Expression createGetDirectionExpression(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns an expression that evaluates to the direction (in radians) of the ship executing the program.

Specified by:

createGetDirectionExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createGetRadiusExpression

public Expression createGetRadiusExpression(Expression expression,
                                            asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns an expression that evaluates to the radius of the entity to which the given expression evaluates.

Specified by:

createGetRadiusExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createLessThanExpression

public Expression createLessThanExpression(Expression e1,
                                           Expression e2,
                                           asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns an expression that evaluates to true if the evaluation of the first expression yields a value that is less than the value obtained by evaluating the second expression.

Specified by:

createLessThanExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createEqualityExpression

public Expression createEqualityExpression(Expression e1,
                                           Expression e2,
                                           asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns an expression that evaluates to true if the evaluation of the first expression yields a value that is equal to the value obtained by evaluating the second expression.

Specified by:

createEqualityExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createAdditionExpression

public Expression createAdditionExpression(Expression e1,
                                           Expression e2,
                                           asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns an expression that evaluates to the addition of the values obtained by evaluating the first and second given expressions.

Specified by:

createAdditionExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createMultiplicationExpression

public Expression createMultiplicationExpression(Expression e1,
                                                 Expression e2,
                                                 asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns an expression that evaluates to the multiplication of the values obtained by evaluating the first and second given expressions.

Specified by:

createMultiplicationExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createSqrtExpression

public Expression createSqrtExpression(Expression expression,
                                       asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns an expression that evaluates to the square root of the value obtained by evaluating the given expression.

Specified by:

createSqrtExpression in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createThrustOnStatement

public Statement createThrustOnStatement(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns a statement that turns the thruster of the ship executing the program on.

Specified by:

createThrustOnStatement in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createThrustOffStatement

public Statement createThrustOffStatement(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns a statement that turns the thruster of the ship executing the program off.

Specified by:

createThrustOffStatement in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createFireStatement

public Statement createFireStatement(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns a statement that fires a bullet from the ship that is executing the program.

Specified by:

createFireStatement in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createTurnStatement

public Statement createTurnStatement(Expression angle,
                                     asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns a statement that makes the ship that is executing the program turn by the given amount.

Specified by:

createTurnStatement in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>

createSkipStatement

public Statement createSkipStatement(asteroids.part3.programs.SourceLocation location)

Description copied from interface: asteroids.part3.programs.IProgramFactory

Returns a statement that does nothing.

Specified by:

createSkipStatement in interface asteroids.part3.programs.IProgramFactory<Expression,Statement,Function,Program>