From 7410e42bc00c8438884a475ccf8a9e07b73eaec3 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bitbucket@bruce-hill.com>
Date: Mon, 14 May 2018 14:45:38 -0700
Subject: [PATCH] Minor optimizations.

---
 code_obj.lua  | 35 +++++++++++++++++------------------
 code_obj.moon | 23 +++++++++++------------
 nomsu.lua     | 20 ++++++++++++--------
 nomsu.moon    | 21 +++++++++------------
 4 files changed, 49 insertions(+), 50 deletions(-)

diff --git a/code_obj.lua b/code_obj.lua
index c563a91..4c9eac0 100644
--- a/code_obj.lua
+++ b/code_obj.lua
@@ -151,10 +151,26 @@ do
   _class_0 = setmetatable({
     __init = function(self, source, ...)
       self.source = source
-      self.indents = { }
       self.bits = {
         ...
       }
+      local indent, indents = 0, { }
+      local match = string.match
+      for i, b in ipairs(self.bits) do
+        if type(b) == 'string' then
+          do
+            local spaces = match(b, "\n([ ]*)[^\n]*$")
+            if spaces then
+              indent = #spaces
+            end
+          end
+        elseif indent ~= 0 then
+          indents[i] = indent
+        end
+      end
+      self.current_indent = indent
+      self.indents = indents
+      self.__str = nil
       if type(self.source) == 'string' then
         local filename, start, stop = self.source:match("^(.-)%[(%d+):(%d+)%]$")
         if not (filename) then
@@ -166,23 +182,6 @@ do
           self.source = Source(self.source, 1, #tostring(self) + 1)
         end
       end
-      assert(self.source == nil or Source:is_instance(self.source))
-      local indent = 0
-      for i, b in ipairs(self.bits) do
-        assert(not Source:is_instance(b))
-        if type(b) == 'string' then
-          do
-            local spaces = b:match("\n([ ]*)[^\n]*$")
-            if spaces then
-              indent = #spaces
-            end
-          end
-        elseif indent ~= 0 then
-          self.indents[i] = indent
-        end
-      end
-      self.current_indent = indent
-      self.__str = nil
     end,
     __base = _base_0,
     __name = "Code"
diff --git a/code_obj.moon b/code_obj.moon
index 3364cdf..caccd2b 100644
--- a/code_obj.moon
+++ b/code_obj.moon
@@ -62,8 +62,18 @@ Source = immutable {"filename","start","stop"}, {
 
 class Code
     new: (@source, ...)=>
-        @indents = {}
         @bits = {...}
+        indent, indents = 0, {}
+        match = string.match
+        for i,b in ipairs @bits
+            if type(b) == 'string'
+                if spaces = match(b, "\n([ ]*)[^\n]*$")
+                    indent = #spaces
+            elseif indent != 0
+                indents[i] = indent
+        @current_indent = indent
+        @indents = indents
+        @__str = nil
         if type(@source) == 'string'
             filename,start,stop = @source\match("^(.-)%[(%d+):(%d+)%]$")
             unless filename
@@ -72,17 +82,6 @@ class Code
                 @source = Source(filename, tonumber(start), tonumber(stop))
             else
                 @source = Source(@source, 1, #tostring(self)+1)
-        assert(@source == nil or Source\is_instance(@source))
-        indent = 0
-        for i,b in ipairs @bits
-            assert(not Source\is_instance(b))
-            if type(b) == 'string'
-                if spaces = b\match("\n([ ]*)[^\n]*$")
-                    indent = #spaces
-            elseif indent != 0
-                @indents[i] = indent
-        @current_indent = indent
-        @__str = nil
             
     sub: (start,stop)=>
         -- TODO: implement this better
diff --git a/nomsu.lua b/nomsu.lua
index 9860772..472846a 100644
--- a/nomsu.lua
+++ b/nomsu.lua
@@ -131,12 +131,14 @@ do
     return self .. stringify(other)
   end
   STRING_METATABLE.__index = function(self, i)
+    local ret = string[i]
+    if ret ~= nil then
+      return ret
+    end
     if type(i) == 'number' then
       return string.sub(self, i, i)
     elseif type(i) == 'table' then
       return string.sub(self, i[1], i[2])
-    else
-      return string[i]
     end
   end
 end
@@ -1103,12 +1105,14 @@ OPTIONS
     print_err_msg(error_message)
     return os.exit(false, true)
   end
-  local ldt
-  ok, ldt = pcall(require, 'ldt')
-  if ok then
-    ldt.guard(run)
-  else
-    xpcall(run, err_hand)
+  do
+    local ldt
+    ok, ldt = pcall(require, 'ldt')
+    if ok then
+      ldt.guard(run)
+    else
+      xpcall(run, err_hand)
+    end
   end
 end
 return NomsuCompiler
diff --git a/nomsu.moon b/nomsu.moon
index 9b1ca59..64516e9 100755
--- a/nomsu.moon
+++ b/nomsu.moon
@@ -120,11 +120,10 @@ do
     STRING_METATABLE = getmetatable("")
     STRING_METATABLE.__add = (other)=> @ .. stringify(other)
     STRING_METATABLE.__index = (i)=>
+        ret = string[i]
+        if ret != nil then return ret
         if type(i) == 'number' then return string.sub(@, i, i)
         elseif type(i) == 'table' then return string.sub(@, i[1], i[2])
-        else return string[i]
-    -- Can't use this because it breaks some LPEG stuff
-    --STRING_METATABLE.__mul = (other)=> string.rep(@, other)
 
 Types = require "nomsu_tree"
 
@@ -309,6 +308,7 @@ class NomsuCompiler
     define_compile_action: (signature, fn)=>
         return @define_action(signature, fn, true)
 
+    _nomsu_chunk_counter = 0
     parse: (nomsu_code)=>
         if type(nomsu_code) == 'string'
             _nomsu_chunk_counter += 1
@@ -333,7 +333,6 @@ class NomsuCompiler
             
         return tree
 
-    _nomsu_chunk_counter = 0
     run: (nomsu_code, compile_fn=nil)=>
         if #tostring(nomsu_code) == 0 then return nil
         tree = @parse(nomsu_code)
@@ -788,13 +787,11 @@ OPTIONS
     -- for both APIs
     -- TODO: revert back to old error handler
 
-    --ProFi = require 'ProFi'
-    --ProFi\start()
-    ok, ldt = pcall(require,'ldt')
-    if ok
-        ldt.guard run
-    else xpcall(run, err_hand)
-    --ProFi\stop()
-    --ProFi\writeReport( 'MyProfilingReport.txt' )
+    --require('ProFi')\profile "scratch/profile.txt", (profi)->
+    do
+        ok, ldt = pcall(require,'ldt')
+        if ok
+            ldt.guard run
+        else xpcall(run, err_hand)
 
 return NomsuCompiler