doc/spp_toc.hlp


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.help spp Jan83 "IRAF Subset Preprocessor Language"
.ce
Contents

.rj 1
1. Introduction

.rj 1
2. Getting Started

.rj 2
3. Fundamentals of the Language
.in 5
.rj 2
3.1 Lexical Form
.in 5
.rj 2
3.1.1 comments
.rj 2
3.1.2 continuation
.rj 2
3.1.3 integer constants
.rj 3
3.1.4 floating point constants
.rj 3
3.1.5 character constants
.rj 4
3.1.6 string constants
.rj 4
3.1.7 identifiers
.in -5
.rj 4
3.2 Data Types
.rj 5
3.3 Declarations
.in 5
.rj 5
3.3.1 variable, array, and procedure declarations
.rj 6
3.3.2 array declarations
.rj 6
3.3.3 string declarations
.rj 7
3.3.4 global common declarations
.rj 7
3.3.5 procedure declarations
.in 5
.rj 8
example 1: the sinc function
.in -5
.rj 8
3.3.6 multiple entry points
.in 5
.rj 9
example 2: multiple entry points
.in -5
.in -5
.rj 9
3.4 Initialization
.rj 9
3.5 Control Flow Constructs
.in 5
.rj 10
3.5.1 conditional execution
.rj 11
3.5.2 error handling
.rj 13
3.5.3 repetitive execution
.in -5
.rj 15
3.6 Expressions
.in 5
.rj 16
3.6.1 mixed mode expressions
.rj 16
3.6.2 type coercion
.in -5
.rj 16
3.7 The Assignment Statement
.rj 16
3.8 Some Examples
.in 5
.rj 17
example 3: length of a string
.rj 17
example 4: min and max of a real array
.in -5
.rj 18
3.9 Program Structure
.in 5
.rj 19
3.9.1 include files
.rj 19
3.9.2 macro definitions
.rj 20
3.9.3 the task statement, and tasks
.rj 22
3.9.4 help text

.in -5
.in -5
.rj 22
4. Anachronisms

.rj 23
5. Notes on Topics not Discussed

.rj 24
APPENDIX A:  Predefined Constants
.rj 25
APPENDIX B:  Detailed Examples
.in 5
.rj 25
Example 5: Matrix Inversion
.rj 28
Example 6: Pattern Matching
.rj 31
Example 7: Error Handling
.endhelp