Draft guide and architecture diagrams.

1 files changed, 0 insertions, 25 deletions

diff --git a/template/step2_eval.txt b/template/step2_eval.txt
deleted file mode 100644
index beb5500..0000000
--- a/template/step2_eval.txt
+++ /dev/null
@@ -1,25 +0,0 @@
---- step2_eval ----------------------------------
-import types, reader, printer
-
-READ(str): return reader.read_str(str)
-
-eval_ast(ast,env):
-  switch type(ast):
-    symbol:      return lookup(env, ast) OR raise "'" + ast + "' not found"
-    list,vector: return ast.map((x) -> EVAL(x,env))
-    hash:        return ast.map((k,v) -> list(k, EVAL(v,env)))
-    _default_:   return ast
-
-EVAL(ast,env):
-    if not list?(ast): return eval_ast(ast, env)
-    f, args = eval_ast(ast, env)
-    return apply(f, args)
-
-PRINT(exp): return printer.pr_str(exp)
-
-repl_env = {'+: add_fn, ...}
-rep(str): return PRINT(EVAL(READ(str),repl_env))
-
-main loop:
-  try:      println(rep(readline("user> ")))
-  catch e:  println("Error: ", e)