generator (library)

Author(s): Göran Smedbäck.

Usage and interface

Documentation on exports

PREDICATE

Usage: generator(Terms,VRML)

  • Description: This predicate is the generator of VRML code. It accepts a list of terms that is correct VRML code, other kind of terms will be rejected will errormessage accordingly. The output is a string of correct VRML code, acceptable for VRML browsers.
  • Call and exit should be compatible with:
    (basic_props:list/2)Terms is a list of terms.
    (basic_props:string/1)VRML is a string (a list of character codes).
  • The following properties should hold at call time:
    (term_typing:nonvar/1)Terms is currently a term which is not a free variable.
    (term_typing:var/1)VRML is a free variable.

PREDICATE

Usage: nodeDeclaration(ParseIn,ParseOut,L,T)

  • Description: The node declaration canbe constructed by a DEFinition, we then make a call to generator_util to make proper settings before continue. There can be a USE of a prior defined node or we can have a normal node declaration, one of the built ins.
  • Call and exit should be compatible with:
    (internal_types:parse/1)ParseIn is a parse structure.
    (internal_types:parse/1)ParseOut is a parse structure.
    (basic_props:list/1)L is a list.
    (basic_props:list/1)T is a list.
  • The following properties should hold at call time:
    (term_typing:nonvar/1)ParseIn is currently a term which is not a free variable.
    (term_typing:var/1)ParseOut is a free variable.