JCL Help:TExpressionCompiler

 JCL Help: TExpressionCompiler Class

ExprEval

JCL Classes

► JclExprEval.pas Classes

[+] JclExprEval.pas Classes

► TExpressionCompiler Methods

[+] TExpressionCompiler Methods

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Class Hierarchy

TEasyEvaluator

    |
TExpressionCompiler

Summary

An expression compiler, for multiple expressions.

Pascal

 public TExpressionCompiler = class(TEasyEvaluator);

Description

This is a multiple expression compiler. It compiles expressions into function pointers, so that the function pointer can be called as if it were an ordinary Delphi function. It takes longer to compile an expression than TEvaluator does to evaluate, but once compiled it is much faster at evaluating.
It is suitable for spreadsheet-like applications, where there may be thousands of functions, all of which have to be evaluated quickly and repeatedly.

About

Unit

JclExprEval

Navigation

▼ TExpressionCompiler

  TExpressionCompiler

  TExpressionCompiler.Clear

  TExpressionCompiler.Create

  TExpressionCompiler.Destroy

Donator

Barry Kelly

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