First day's progress on documentation

Tools/compiler/doc/astdocgen.py

@@ -0,0 +1,30 @@
+# Lame substitute for a fine script to generate the table from ast.txt
+
+from compiler import astgen
+
+AST_DEF = '../compiler/ast.txt'
+
+def sort(l):
+    l = l[:]
+    l.sort(lambda a, b: cmp(a.name, b.name))
+    return l
+
+def main():
+    nodes = astgen.parse_spec(AST_DEF)
+    print "\\begin{longtableiii}{lll}{class}{Node type}{Attribute}{Value}"
+    print
+    for node in sort(nodes):
+        if node.argnames:
+            print "\\lineiii{%s}{%s}{}" % (node.name, node.argnames[0])
+        else:
+            print "\\lineiii{%s}{}{}" % node.name
+            
+        for arg in node.argnames[1:]:
+            print "\\lineiii{}{%s}{}" % arg
+        print "\\hline", "\n"
+    print "\\end{longtableiii}"
+
+
+if __name__ == "__main__":
+    main()
+