[!~] Sync with [2017-10] version.

[~] [code]
[~] [rockspec]
[~] [readme]

Author: Ian

#mechs/generic_file_converter.lua

@@ -0,0 +1,18 @@
+local get_params = request('get_ast.get_params')
+local convert = request('!.file.convert')
+local get_ast = request('!.lua.code.get_ast')
+
+return
+  function(args)
+    local f_in_name, f_out_name = get_params(args)
+    if not f_in_name then
+      return
+    end
+    convert(
+      {
+        f_in_name = f_in_name,
+        f_out_name = f_out_name,
+        parse = get_ast,
+      }
+    )
+  end

#mechs/msg_with_time.lua

@@ -0,0 +1,45 @@
+--[[
+  Parse table with command line and return
+
+    <f_in_name> <f_out_name>
+
+  of fail and return nil.
+]]
+
+local usage_text =
+[[
+Get annotated syntax tree (AST) for Lua 5.3 code.
+
+lua.get_ast <f_in> [<f_out>]
+
+-- Martin, 2017-10-14
+]]
+
+local cmdline_processor =
+  new(request('!.mechs.command_line_processor.interface'))
+cmdline_processor.allowed_params =
+  {
+    {name = 'f_in_name', type = 'string'},
+    {name = 'f_out_name', type = 'string'},
+  }
+
+return
+  function(args)
+    assert_table(args)
+    if not args[1] or (args[1] == '--help') then
+      print(usage_text)
+      return
+    end
+
+    local params = cmdline_processor:run(args)
+    if not params.f_in_name then
+      print(usage_text)
+      return
+    end
+
+    local f_in_name, f_out_name
+    f_in_name = params.f_in_name
+    f_out_name = params.f_out_name or (f_in_name .. '.ast')
+
+    return f_in_name, f_out_name
+  end

#mechs/represent_size.lua

@@ -0,0 +1,27 @@
+local get_params = request('get_formatter_ast.get_params')
+local convert = request('!.file.convert')
+local get_ast = request('!.lua.code.get_ast')
+local formatter_preprocess = request('!.formats.lua.save.formatter.preprocess')
+
+local parse =
+  function(s)
+    local result
+    result = get_ast(s)
+    result = formatter_preprocess(result, true) --second parameter is <keep_comments>
+    return result
+  end
+
+return
+  function(args)
+    local f_in_name, f_out_name = get_params(args)
+    if not f_in_name then
+      return
+    end
+    convert(
+      {
+        f_in_name = f_in_name,
+        f_out_name = f_out_name,
+        parse = parse,
+      }
+    )
+  end

get_ast.lua

@@ -0,0 +1,45 @@
+--[[
+  Parse table with command line and return
+
+    <f_in_name> <f_out_name>
+
+  or fail and return nil.
+]]
+
+local usage_text =
+[[
+Get transformed annotated syntax tree (AST) for Lua 5.3 code.
+
+lua.get_formatter_ast <f_in> [<f_out>]
+
+-- Martin, 2017-10-14
+]]
+
+local cmdline_processor =
+  new(request('!.mechs.command_line_processor.interface'))
+cmdline_processor.allowed_params =
+  {
+    {name = 'f_in_name', type = 'string'},
+    {name = 'f_out_name', type = 'string'},
+  }
+
+return
+  function(args)
+    assert_table(args)
+    if not args[1] or (args[1] == '--help') then
+      print(usage_text)
+      return
+    end
+
+    local params = cmdline_processor:run(args)
+    if not params.f_in_name then
+      print(usage_text)
+      return
+    end
+
+    local f_in_name, f_out_name
+    f_in_name = params.f_in_name
+    f_out_name = params.f_out_name or (f_in_name .. '.fast')
+
+    return f_in_name, f_out_name
+  end