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The GNU C Preprocessor Internals

Table of Contents

1. Cpplib--the GNU C Preprocessor
Conventions
The Lexer

1.1 Overview
1.2 Lexing a token
1.3 Lexing a line

Hash Nodes
Macro Expansion Algorithm

1.4 Internal representation of macros
1.5 Macro expansion overview
1.6 Scanning the replacement list for macros to expand
1.7 Looking for a function-like macro's opening parenthesis
1.8 Marking tokens ineligible for future expansion

Token Spacing
Line numbering

1.9 Just which line number anyway?
1.10 Representation of line numbers

The Multiple-Include Optimization
File Handling
Index