MathExpression Class Reference

The base expression class. More...

#include <mathscript.h>

List of all members.

Classes
struct	PropertyRef
Public Member Functions
virtual double	Evaluate (MathEnvironment *env) const
size_t	GetOpcode () const
void	SetOpcode (size_t newOpcode)
virtual	~MathExpression ()
Static Public Member Functions
static MathExpression *	Create (const char *expression, const char *name="")
	Empty destructor.
Protected Types
enum	{   MATH_NONE = 0, MATH_COND = 1, MATH_EXP = 2, MATH_LOOP = 4,   MATH_ASSIGN = 8, MATH_BREAK = 16, MATH_WHILE = MATH_COND | MATH_EXP | MATH_LOOP, MATH_IF = MATH_COND | MATH_EXP,   MATH_ELSE = MATH_COND, MATH_DO = MATH_EXP | MATH_LOOP }
Protected Member Functions
	MathExpression ()
bool	Parse (const char *expression)
Protected Attributes
FunctionParser	fp
const char *	name
size_t	opcode
csSet< PropertyRef >	propertyRefs
	properties that have to be resolved prior to evaluation
csSet< csString >	requiredObjs
	a subset of requiredVars which are known to be objects; for type checking
csSet< csString >	requiredVars
	variables required to execute this expression

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Detailed Description

The base expression class.

It is able to perform basic operations (e.g. "atan(a,b)") and also holds additional information about the type of the operator this expression represents. All other possible statements must derive from this.

Definition at line 330 of file mathscript.h.

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Member Enumeration Documentation

anonymous enum [protected]

Enumerator:

MATH_NONE
MATH_COND
MATH_EXP
MATH_LOOP
MATH_ASSIGN
MATH_BREAK
MATH_WHILE
MATH_IF
MATH_ELSE
MATH_DO

Definition at line 333 of file mathscript.h.

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Constructor & Destructor Documentation

MathExpression::MathExpression

(

)

[protected]

virtual MathExpression::~MathExpression

(

)

[inline, virtual]

Definition at line 380 of file mathscript.h.

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Member Function Documentation

static MathExpression* MathExpression::Create	(	const char *	expression,
		const char *	name = ""
	)		[static]

Empty destructor.

virtual double MathExpression::Evaluate

(

MathEnvironment *

env

)

const [virtual]

Reimplemented in MathStatement, EmptyMathStatement, and MathScript.

size_t MathExpression::GetOpcode

(

)

const [inline]

Definition at line 385 of file mathscript.h.

bool MathExpression::Parse

(

const char *

expression

)

[protected]

void MathExpression::SetOpcode

(

size_t

newOpcode

)

[inline]

Definition at line 390 of file mathscript.h.

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Member Data Documentation

FunctionParser MathExpression::fp [mutable, protected]

Definition at line 375 of file mathscript.h.

const char* MathExpression::name [protected]

Reimplemented in MathScript.

Definition at line 377 of file mathscript.h.

size_t MathExpression::opcode [protected]

Definition at line 348 of file mathscript.h.

csSet<PropertyRef> MathExpression::propertyRefs [protected]

properties that have to be resolved prior to evaluation

Definition at line 374 of file mathscript.h.

csSet<csString> MathExpression::requiredObjs [protected]

a subset of requiredVars which are known to be objects; for type checking

Definition at line 373 of file mathscript.h.

csSet<csString> MathExpression::requiredVars [protected]

variables required to execute this expression

Definition at line 372 of file mathscript.h.

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The documentation for this class was generated from the following file:

• common/util/mathscript.h