java.lang.Object

chemaxon.jep.ChemJEP<C>

All Implemented Interfaces:: chemaxon.marvin.util.CallbackIface, Serializable

@PublicApi public class ChemJEP<C extends ChemContext> extends Object implements chemaxon.marvin.util.CallbackIface, Serializable

Expression parser and evaluator for chemical expressions.

Since:

JChem 2.2, Marvin 5.1

See Also:

Field Summary

Fields

Modifier and Type

Field

Description

static final String

COMPILE_ERROR

The compilation error message.

protected Vector<Throwable>

errorList

Deprecated, for removal: This API element is subject to removal in a future version.
This class no longer collects exceptions but throws them when they are encountered.

static final String

EVALUATION_ERROR

The evaluation error message.

static final int

FALSE

Logical result value: FALSE.

static final int

TRUE

Logical result value: TRUE.

static final int

UNDECIDED

Logical result value: UNDECIDED.
Constructor Summary

Constructors

Constructor

Description

ChemJEP()

Deprecated, for removal: This API element is subject to removal in a future version.
Direct creation of a ChemJEP object will no longer be supported, use the Evaluator.compile(java.lang.String) methods instead.

ChemJEP(Class<? extends C> contextClass)

Deprecated, for removal: This API element is subject to removal in a future version.
Direct creation of a ChemJEP object will no longer be supported, use the Evaluator.compile(java.lang.String) methods instead.
Method Summary

Modifier and Type

Method

Description

void

addComplex()

Deprecated, for removal: This API element is subject to removal in a future version.
Complex number support will be removed without replacement.

chemaxon.nfunk.jep.type.Complex

addComplexVariable(String name, double re, double im)

Deprecated, for removal: This API element is subject to removal in a future version.
Complex number support will be removed without replacement.

protected void

addError(Exception ex)

Deprecated, for removal: This API element is subject to removal in a future version.
This class no longer collects exceptions but throws them when they are encountered.

void

addFunction(String name, PostfixMathCommandI function)

Deprecated, for removal: This API element is subject to removal in a future version.
The function table will not be modifiable anymore.

void

addStandardConstants()

Deprecated, for removal: This API element is subject to removal in a future version.
The symbol table has been replaced with the constant table, and it will become unmodifiable.

void

addStandardFunctions()

Deprecated, for removal: This API element is subject to removal in a future version.
These functions will be removed without replacement.

Double

addVariable(String name, double value)

Deprecated, for removal: This API element is subject to removal in a future version.
The symbol table has been replaced with the constant table, and it will become unmodifiable.

void

addVariableAsObject(String name, Object object)

Deprecated, for removal: This API element is subject to removal in a future version.
The symbol table has been replaced with the constant table, and it will become unmodifiable.

Object

callback(String method, Object arg)

Deprecated, for removal: This API element is subject to removal in a future version.
No longer used for accessing the context, will be removed without replacement.

void

compile(String expression)

Compiles the expression string to an inner structure.

ConstantTable

constantTable()

Returns the constant table used by this parser.

Object

evaluate(C context)

Evaluates the expression.

boolean

evaluate_boolean(C context)

Evaluates the expression and converts the result boolean.

boolean[]

evaluate_booleans(C context)

Evaluates the expression and converts the result to boolean[].

double

evaluate_double(C context)

Evaluates the expression and converts the result to double.

double[]

evaluate_doubles(C context)

Evaluates the expression and converts the result to double[].

chemaxon.nfunk.jep.type.Complex

getComplexValue()

Deprecated, for removal: This API element is subject to removal in a future version.
Complex number support will be removed without replacement.

Exception

getError(int i)

Deprecated, for removal: This API element is subject to removal in a future version.
This class no longer collects exceptions but throws them when they are encountered.

int

getErrorCount()

Deprecated, for removal: This API element is subject to removal in a future version.
This class no longer collects exceptions but throws them when they are encountered.

String

getErrorInfo()

Deprecated, for removal: This API element is subject to removal in a future version.
This class no longer collects exceptions but throws them when they are encountered.

Throwable[]

getErrors()

Deprecated, for removal: This API element is subject to removal in a future version.
This class no longer collects exceptions but throws them when they are encountered.

PostfixMathCommandI

getFunction(String name)

Deprecated, for removal: This API element is subject to removal in a future version.
The function table will become an internal API.

static int

getLogicalValue(Object result)

Returns the logical correspondent of the specified result object: TRUE, FALSE or UNDECIDED.

chemaxon.nfunk.jep.type.NumberFactory

getNumberFactory()

Deprecated, for removal: This API element is subject to removal in a future version.
This feature will be removed without replacement.

chemaxon.nfunk.jep.SymbolTable

getSymbolTable()

Deprecated, for removal: This API element is subject to removal in a future version.
Use constantTable() instead.

chemaxon.nfunk.jep.Node

getTopNode()

Deprecated, for removal: This API element is subject to removal in a future version.
This method returns an internal representation which will be hidden in the future.

double

getValue()

Deprecated, for removal: This API element is subject to removal in a future version.
Use evaluate_double(ChemContext) instead.

Object

getValueAsObject()

Deprecated, for removal: This API element is subject to removal in a future version.
Use evaluate(ChemContext) instead.

boolean

hasError()

Deprecated, for removal: This API element is subject to removal in a future version.
This class no longer collects exceptions but throws them when they are encountered.

void

initFunTab()

Deprecated, for removal: This API element is subject to removal in a future version.
The function table will become unmodifiable.

void

initSymTab()

Deprecated, for removal: This API element is subject to removal in a future version.
The symbol table has been replaced with the constant table, and it will become unmodifiable.

static boolean

isUndecided(Object result)

Returns whether the result object is undecided.

void

parseExpression(String expression_in)

Deprecated, for removal: This API element is subject to removal in a future version.
Use compile(String) instead.

Object

removeFunction(String name)

Deprecated, for removal: This API element is subject to removal in a future version.
The function table will become unmodifiable.

Object

removeVariable(String name)

Deprecated, for removal: This API element is subject to removal in a future version.
The symbol table has been replaced with the constant table, and it will become unmodifiable.

void

setAllowUndeclared(boolean value)

Deprecated, for removal: This API element is subject to removal in a future version.
Undeclared variables will always be allowed in the future, changing this will no longer be supported.

void

setImplicitMul(boolean value)

Deprecated, for removal: This API element is subject to removal in a future version.
This option will be removed without replacement.

protected void

setSymbolTable(chemaxon.nfunk.jep.SymbolTable symTab)

Deprecated, for removal: This API element is subject to removal in a future version.
Use Evaluator.compile(String, Class, ConstantTable) instead.

void

setTraverse(boolean value)

Deprecated, for removal: This API element is subject to removal in a future version.
Use Evaluator.setVerbose(boolean) instead before creating the ChemJEP.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- FALSE
  
  public static final int FALSE
  
  Logical result value: FALSE.
  See Also:
  
  Constant Field Values
- TRUE
  
  public static final int TRUE
  
  Logical result value: TRUE.
  See Also:
  
  Constant Field Values
- UNDECIDED
  
  public static final int UNDECIDED
  
  Logical result value: UNDECIDED.
  See Also:
  
  Constant Field Values
- COMPILE_ERROR
  
  public static final String COMPILE_ERROR
  
  The compilation error message.
  See Also:
  
  Constant Field Values
- EVALUATION_ERROR
  
  public static final String EVALUATION_ERROR
  
  The evaluation error message.
  See Also:
  
  Constant Field Values
- errorList
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) protected Vector<Throwable> errorList
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  This class no longer collects exceptions but throws them when they are encountered. The list this method uses is filled but otherwise ignored.
  
  The error list of this parser.
Constructor Details
- ChemJEP
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public ChemJEP() throws chemaxon.nfunk.jep.ParseException
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  Direct creation of a ChemJEP object will no longer be supported, use the Evaluator.compile(java.lang.String) methods instead.
  
  Constructor. Initiates the this JEP with no context.
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - on error
- ChemJEP
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public ChemJEP(Class<? extends C> contextClass) throws chemaxon.nfunk.jep.ParseException
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  Direct creation of a ChemJEP object will no longer be supported, use the Evaluator.compile(java.lang.String) methods instead.
  
  Constructor. Sets the context class, adds context functions.
  
  Parameters:
  
  contextClass - is the context class
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - on error
Method Details
- constantTable
  
  public ConstantTable constantTable()
  
  Returns the constant table used by this parser.
- addFunction
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public void addFunction(String name, PostfixMathCommandI function) throws chemaxon.nfunk.jep.ParseException
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  The function table will not be modifiable anymore. No replacement.
  
  Adds a new function to the parser. This must be done before parsing an expression so the parser is aware that the new function may be contained in the expression.
  
  Parameters:
  
  name - is the name of the function
  
  function - is the function object that is used for evaluating the function
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - if there exists a function with the same name
- setSymbolTable
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) protected void setSymbolTable(chemaxon.nfunk.jep.SymbolTable symTab)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  Use Evaluator.compile(String, Class, ConstantTable) instead.
  
  Sets the SymbolTable object.
  
  Parameters:
  
  symTab - is the SymbolTable object
- compile
  
  public void compile(String expression) throws chemaxon.nfunk.jep.ParseException
  
  Compiles the expression string to an inner structure. This speeds-up evaluation.
  
  Parameters:
  
  expression - is the expression string
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - on compile error
- parseExpression
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public void parseExpression(String expression_in) throws chemaxon.nfunk.jep.ParseException
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  Use compile(String) instead.
  
  Parses the expression. If there are errors in the expression, they are added to the errorList member.
  
  Parameters:
  
  expression_in - The input expression string
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - on error
- callback
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public Object callback(String method, Object arg)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  No longer used for accessing the context, will be removed without replacement.
  
  Delegates CallbackIface.callback(String, Object) to the context.
  
  Specified by:
  
  callback in interface chemaxon.marvin.util.CallbackIface
  
  Parameters:
  
  method - is the method name
  
  arg - is the method argument
- evaluate
  
  public Object evaluate(C context) throws chemaxon.nfunk.jep.ParseException
  
  Evaluates the expression. The expression string must have been given and compiled beforehand by compile(String expression).
  
  Parameters:
  
  context - is the evaluation context
  
  Returns:
  
  the evaluation result
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - on evaluation error
- getValueAsObject
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public Object getValueAsObject() throws chemaxon.nfunk.jep.ParseException
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  Use evaluate(ChemContext) instead.
  
  Evaluates and returns the value of the expression as an object. This method is useful when the type of the value is unknown, or not important.
  
  Returns:
  
  The calculated value of the expression if no errors occur. Returns null otherwise.
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - on error
- evaluate_double
  
  public double evaluate_double(C context) throws chemaxon.nfunk.jep.ParseException
  
  Evaluates the expression and converts the result to double. The expression string must have been given and compiled beforehand by compile(String expression).
  
  Parameters:
  
  context - is the evaluation context
  
  Returns:
  
  the evaluation result
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - on evaluation error
- getValue
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public double getValue() throws chemaxon.nfunk.jep.ParseException
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  Use evaluate_double(ChemContext) instead.
  
  Evaluates and returns the value of the expression. If the value is complex, the real component of the complex number is returned. To get the complex value, use getComplexValue().
  
  Returns:
  
  The calculated value of the expression. If the value is complex, the real component is returned. If an error occurs during evaluation, 0 is returned.
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - on error
- evaluate_doubles
  
  public double[] evaluate_doubles(C context) throws chemaxon.nfunk.jep.ParseException
  
  Evaluates the expression and converts the result to double[]. This is useful if the result is an object array in which case each element is converted to double. The expression string must have been given and compiled beforehand by compile(String expression).
  
  Parameters:
  
  context - is the evaluation context
  
  Returns:
  
  the evaluation result
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - on evaluation error
- evaluate_boolean
  
  public boolean evaluate_boolean(C context) throws chemaxon.nfunk.jep.ParseException
  
  Evaluates the expression and converts the result boolean. Boolean return values are returned as double: 1.0 for true and 0.0 for false. This function returns true for a value greater than 0.5, false otherwise. This means that for boolean expressions the return value will be OK (and we also eliminated floating-point comparison inaccuracy :-). The expression string must have been given and compiled beforehand by compile(String expression).
  
  Parameters:
  
  context - is the evaluation context
  
  Returns:
  
  the evaluation result
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - on evaluation error
- evaluate_booleans
  
  public boolean[] evaluate_booleans(C context) throws chemaxon.nfunk.jep.ParseException
  
  Evaluates the expression and converts the result to boolean[]. This is useful if the result is an object array in which case each element is converted to boolean. The expression string must have been given and compiled beforehand by compile(String expression).
  
  Parameters:
  
  context - is the evaluation context
  
  Returns:
  
  the evaluation result
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - on evaluation error
- getComplexValue
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public chemaxon.nfunk.jep.type.Complex getComplexValue() throws chemaxon.nfunk.jep.ParseException
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  Complex number support will be removed without replacement.
  
  Evaluates and returns the value of the expression as a complex number.
  
  Returns:
  
  The calculated value of the expression as a complex number if no errors occur. Returns null otherwise.
  
  Throws:
  
  chemaxon.nfunk.jep.ParseException - on error
- getLogicalValue
  
  public static int getLogicalValue(Object result)
  
  Returns the logical correspondent of the specified result object: TRUE, FALSE or UNDECIDED.
  
  Parameters:
  
  result - is the result object
  
  Returns:
  
  the corresponding logical value
  
  Since:
  
  JChem 3.2
- isUndecided
  
  public static boolean isUndecided(Object result)
  
  Returns whether the result object is undecided.
  
  Returns:
  
  true if the result is undecided
- initSymTab
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public void initSymTab()
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  The symbol table has been replaced with the constant table, and it will become unmodifiable. Use Evaluator.compile(String, Class, ConstantTable) instead.
  
  Creates a new SymbolTable object as symTab.
- addStandardConstants
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public void addStandardConstants()
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  The symbol table has been replaced with the constant table, and it will become unmodifiable. Use Evaluator.compile(String, Class, ConstantTable) instead.
  
  Adds the constants pi and e to the parser. As addStandardFunctions(), this method should be called immediatly after the JEP object is created.
- addComplex
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public void addComplex()
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  Complex number support will be removed without replacement.
  
  Call this function if you want to parse expressions which involve complex numbers. This method specifies "i" as the imaginary unit (0,1). Two functions re() and im() are also added for extracting the real or imaginary components of a complex number respectively.
- addVariable
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public Double addVariable(String name, double value)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  The symbol table has been replaced with the constant table, and it will become unmodifiable. Use Evaluator.compile(String, Class, ConstantTable) instead.
  
  Adds a new variable to the parser, or updates the value of an existing variable. This must be done before parsing an expression so the parser is aware that the new variable may be contained in the expression.
  
  Parameters:
  
  name - Name of the variable to be added
  
  value - Initial value or new value for the variable
  
  Returns:
  
  Double object of the variable
- addComplexVariable
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public chemaxon.nfunk.jep.type.Complex addComplexVariable(String name, double re, double im)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  Complex number support will be removed without replacement.
  
  Adds a new complex variable to the parser, or updates the value of an existing variable. This must be done before parsing an expression so the parser is aware that the new variable may be contained in the expression.
  
  Parameters:
  
  name - Name of the variable to be added
  
  re - Initial real value or new real value for the variable
  
  re - Initial imaginary value or new imaginary value for the variable
  
  Returns:
  
  Complex object of the variable
- addVariableAsObject
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public void addVariableAsObject(String name, Object object)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  The symbol table has been replaced with the constant table, and it will become unmodifiable. Use Evaluator.compile(String, Class, ConstantTable) instead.
  
  Adds a new variable to the parser as an object, or updates the value of an existing variable. This must be done before parsing an expression so the parser is aware that the new variable may be contained in the expression.
  
  Parameters:
  
  name - Name of the variable to be added
  
  object - Initial value or new value for the variable
- removeVariable
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public Object removeVariable(String name)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  The symbol table has been replaced with the constant table, and it will become unmodifiable. Use Evaluator.compile(String, Class, ConstantTable) instead.
  
  Removes a variable from the parser. For example after calling addStandardConstants(), removeVariable("e") might be called to remove the euler constant from the set of variables.
  
  Returns:
  
  The value of the variable if it was added earlier. If the variable is not in the table of variables, null is returned.
- initFunTab
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public void initFunTab()
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  The function table will become unmodifiable. Configure the Evaluator instead before creating the ChemJEP.
  
  Creates a new FunctionTable object as funTab.
- addStandardFunctions
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public void addStandardFunctions()
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  These functions will be removed without replacement.
  
  Adds the standard functions to the parser. If this function is not called before parsing an expression, functions such as sin() or cos() would produce an "Unrecognized function..." error. In most cases, this method should be called immediately after the JEP object is created.
- getFunction
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public PostfixMathCommandI getFunction(String name)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  The function table will become an internal API. No replacement.
  
  Returns a function from the function table.
  
  Parameters:
  
  name - is the function name
  
  Returns:
  
  the stored function or its clone, or null if no such function
- removeFunction
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public Object removeFunction(String name)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  The function table will become unmodifiable. Configure the Evaluator instead before creating the ChemJEP.
  
  Removes a function from the parser.
  
  Returns:
  
  If the function was added earlier, the function class instance is returned. If the function was not present, null is returned.
- setTraverse
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public void setTraverse(boolean value)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  Use Evaluator.setVerbose(boolean) instead before creating the ChemJEP.
  
  Sets the value of the traverse option. setTraverse is useful for debugging purposes. When traverse is set to true, the parse-tree will be dumped to the standard ouput device.
  The default value is false.
  
  Parameters:
  
  value - The boolean traversal option.
- setImplicitMul
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public void setImplicitMul(boolean value)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  This option will be removed without replacement.
  Sets the value of the implicit multiplication option. If this option is set to true before parsing, implicit multiplication will be allowed. That means that an expression such as
  "1 2"
  is valid and is interpreted as
  "1*2"
  .
  The default value is false.
  Parameters:
  
  value - The boolean implicit multiplication option.
- setAllowUndeclared
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public void setAllowUndeclared(boolean value)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  Undeclared variables will always be allowed in the future, changing this will no longer be supported.
  
  Sets the value for the undeclared variables option. If this option is set to true, expressions containing variables that were not previously added to ChemJEP will not produce an "Unrecognized Symbol" error. Sets the value for the undeclared variables option.
  If this option is set to false, variables that were not previously added to ChemJEP will produce an error while parsing.
  The default value is true.
  
  Parameters:
  
  value - The boolean option for allowing undeclared variables.
- getTopNode
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public chemaxon.nfunk.jep.Node getTopNode()
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  This method returns an internal representation which will be hidden in the future. No replacement.
  
  Returns the top node of the expression tree. Because all nodes are pointed to either directly or indirectly, the entire expression tree can be accessed through this node. It may be used to manipulate the expression, and subsequently evaluate it manually.
  
  Returns:
  
  The top node of the expression tree
- getSymbolTable
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public chemaxon.nfunk.jep.SymbolTable getSymbolTable()
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  Use constantTable() instead.
  
  Returns the symbol table (the list of all variables that the parser recognises).
  
  Returns:
  
  The symbol table
- getNumberFactory
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public chemaxon.nfunk.jep.type.NumberFactory getNumberFactory()
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  This feature will be removed without replacement.
  
  Returns the number factory.
- hasError
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public boolean hasError()
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  This class no longer collects exceptions but throws them when they are encountered. The list this method uses is filled but otherwise ignored.
  
  Returns whether the error list has at least one element.
- getErrors
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public Throwable[] getErrors()
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  This class no longer collects exceptions but throws them when they are encountered. The list this method uses is filled but otherwise ignored.
  
  Returns all exceptions in the error list.
- getErrorInfo
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public String getErrorInfo()
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  This class no longer collects exceptions but throws them when they are encountered. The list this method uses is filled but otherwise ignored.
  
  Returns a string describing all exceptions in the error list.
- addError
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) protected void addError(Exception ex)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  This class no longer collects exceptions but throws them when they are encountered. The list this method uses is filled but otherwise ignored.
  
  Adds an exception to the error list.
- getError
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public Exception getError(int i)
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  This class no longer collects exceptions but throws them when they are encountered. The list this method uses is filled but otherwise ignored.
  
  Returns an exception from the error list by its index.
- getErrorCount
  
  @Deprecated(forRemoval=true) @SubjectToRemoval(date=JUL_01_2025) public int getErrorCount()
  
  Deprecated, for removal: This API element is subject to removal in a future version.
  This class no longer collects exceptions but throws them when they are encountered. The list this method uses is filled but otherwise ignored.
  
  Returns the number of exceptions in the error list.

Class ChemJEP<C extends ChemContext>

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Details

FALSE

TRUE

UNDECIDED

COMPILE_ERROR

EVALUATION_ERROR

errorList

Constructor Details

ChemJEP

ChemJEP

Method Details

constantTable

addFunction

setSymbolTable

compile

parseExpression

callback

evaluate

getValueAsObject

evaluate_double

getValue

evaluate_doubles

evaluate_boolean

evaluate_booleans

getComplexValue

getLogicalValue

isUndecided

initSymTab

addStandardConstants

addComplex

addVariable

addComplexVariable

addVariableAsObject

removeVariable

initFunTab

addStandardFunctions

getFunction

removeFunction

setTraverse

setImplicitMul

setAllowUndeclared

getTopNode

getSymbolTable

getNumberFactory

hasError

getErrors

getErrorInfo

addError

getError

getErrorCount