Re: painter implementation for picture language in SICP

[Taylor R Campbell]

> Date: Thu, 2 Jan 2020 14:22:08 -0500
> From: David Liu <address@hidden>
> 
> On Sun, Dec 29, 2019 at 8:49 PM Taylor R Campbell <address@hidden>
> wrote:
> 
> > Then you can start it with ./run-build, and do:
> >
> > (cd "6001")
> > (load "6001.sf")
> 
> I get an error at that step:
> 
> ;Loading "6001.sf"...
> ;  Generating SCode for file: "make.scm" => "make.bin"... done
> ;  Generating SCode for file: "nodefs.scm" => "nodefs.bin"... done
> ;  Generating SCode for file: "picture.scm" => "picture.bin"... done
> ;  Generating SCode for file: "pic-reco.scm" => "pic-reco.bin"... done
> ;  Generating SCode for file: "pic-imag.scm" => "pic-imag.bin"... done
> ;  Generating SCode for file: "pic-read.scm" => "pic-read.bin"... done
> ;  Generating SCode for file: "pic-ops.scm" => "pic-ops.bin"... done
> ;  Generating SCode for file: "arith.scm" => "arith.bin"... done
> ;The object (edwin), passed as an argument to ->environment, is not an
> environment.

Try (load-option 'edwin) first, or use

./run-build --edwin