The RenderMan Interface - Paul Bourke

Appendix B
RENDERMAN SHADING LANGUAGE SYNTAX
SUMMARY
This summary of the Shading Language syntax is intended more for aiding comprehension
than as an exact description of the language.
B.1 Declarations
Shading Language source files consist of definitions:
definitions:
shader definition
function definition
shader definition:
shader type identifier ([formals]) { statements }
function definition:
[type] identifier ( [formals] ) { statements }
shader type:
light
surface
volume
displacement
imager
formals:
formal variable definitions
formals ; formal variable definitions
formal variable definitions:
[outputspec] typespec def expressions
variables:
161