ru.biosoft.math.model
Interface ParserContext

All Known Implementing Classes:

AstFunctionDeclaration, DefaultParserContext, EModel

public interface ParserContext

Method Summary

boolean	containsConstant(java.lang.String name)
boolean	containsVariable(java.lang.String name)
void	declareConstant(java.lang.String name, java.lang.Object value) Declares the constant.
void	declareFunction(Function function) Declares the function.
void	declareVariable(java.lang.String name, java.lang.Object value) Declares the variable.
java.lang.Object	getConstantValue(java.lang.String name) Returns the constant value or null if constant not declared.
Function	getFunction(java.lang.String name) Returns function or operator with the specified name or null if function is not declared.
java.lang.Object	getVariableValue(java.lang.String name) Returns value of variable with the specified name or null if variable is not declared.

Method Detail

containsConstant

public boolean containsConstant(java.lang.String name)

getConstantValue

public java.lang.Object getConstantValue(java.lang.String name)

Returns the constant value or null if constant not declared.

declareConstant

public void declareConstant(java.lang.String name,
                            java.lang.Object value)

Declares the constant.

containsVariable

public boolean containsVariable(java.lang.String name)

getVariableValue

public java.lang.Object getVariableValue(java.lang.String name)

Returns value of variable with the specified name or null if variable is not declared.

declareVariable

public void declareVariable(java.lang.String name,
                            java.lang.Object value)

Declares the variable.

getFunction

public Function getFunction(java.lang.String name)

Returns function or operator with the specified name or null if function is not declared.

declareFunction

public void declareFunction(Function function)

Declares the function.