SAS® Macro Programming Made Easy, Second Edition

Chapter 5. Understanding Macro Symbol Tables and the Processing of Macro Programs

Introduction		102
Understanding Macro Symbol Tables		102
	Understanding the Global Macro Symbol Table	104
	Understanding Local Macro Symbol Tables	108
	Working with Global Macro Variables and Local Macro Variables	116
	Defining the Domain of a Macro Variable by Using the %GLOBAL or %LOCAL Macro Language Statements	118
Processing of Macro Programs		122
	How a Macro Program Is Compiled	122
	How a Macro Program Is Executed	127

Introduction

As your macro programming applications become more complex, an understanding of the technical aspects of macro processing becomes more important. This knowledge will likely speed up development and debugging of your programs.

The discussion of the technical ...