Better text interpolation/handling of "\". Also added syntax support for

(statement; statement)

core/metaprogramming.nom

@@ -13,7 +13,7 @@ immediately
             end
             stubs = repr(stubs);
             if #stubs > 80 then
-                lua:append("\\n    ",stubs,",\\n    ");
+                lua:append("\n    ",stubs,",\n    ");
             else
                 lua:append(stubs,", ");
             end
@@ -30,7 +30,7 @@ immediately
             body_lua:convert_to_statements("return ");
             body_lua:remove_free_vars(unpack(args));
             body_lua:declare_locals();
-            lua:append(")\\n    ", body_lua, "\\nend);");
+            lua:append(")\n    ", body_lua, "\nend);");
             return lua;
         end);
 
@@ -45,7 +45,7 @@ immediately
             end
             stubs = repr(stubs);
             if #stubs > 80 then
-                lua:append("\\n    ",stubs,",\\n    ");
+                lua:append("\n    ",stubs,",\n    ");
             else
                 lua:append(stubs,", ");
             end
@@ -62,7 +62,7 @@ immediately
             body_lua:convert_to_statements("return ");
             body_lua:remove_free_vars(unpack(args));
             body_lua:declare_locals();
-            lua:append(")\\n    ", body_lua, "\\nend);")
+            lua:append(")\n    ", body_lua, "\nend);")
             return lua;
 
 # Macro to make nomsu macros
@@ -76,7 +76,7 @@ immediately
             end
             stubs = repr(stubs);
             if #stubs > 80 then
-                lua:append("\\n    ",stubs,",\\n    ");
+                lua:append("\n    ",stubs,",\n    ");
             else
                 lua:append(stubs,", ");
             end

core/operators.nom

@@ -123,7 +123,7 @@ immediately
                 vars[i] = tostring(target_lua);
             end
             \%lua:remove_free_vars(vars);
-            \%lua:prepend("local ", lhs, " = ", rhs, ";\\n");
+            \%lua:prepend("local ", lhs, " = ", rhs, ";\n");
         return
             Lua ".."
                 do

nomsu.lua

@@ -165,9 +165,9 @@ do
     local text_loc = lpeg.userdata.source_code.source:sub(pos, pos)
     line_no = text_loc:get_line_number()
     src = FILE_CACHE[text_loc.filename]
-    local prev_line = src:sub(LINE_STARTS[src][line_no - 1] or 1, LINE_STARTS[src][line_no] - 1)
+    local prev_line = src:sub(LINE_STARTS[src][line_no - 1] or 1, LINE_STARTS[src][line_no] - 2)
-    local err_line = src:sub(LINE_STARTS[src][line_no], (LINE_STARTS[src][line_no + 1] or 0) - 1)
+    local err_line = src:sub(LINE_STARTS[src][line_no], (LINE_STARTS[src][line_no + 1] or 0) - 2)
-    local next_line = src:sub(LINE_STARTS[src][line_no + 1] or -1, (LINE_STARTS[src][line_no + 2] or 0) - 1)
+    local next_line = src:sub(LINE_STARTS[src][line_no + 1] or -1, (LINE_STARTS[src][line_no + 2] or 0) - 2)
     local pointer = ("-"):rep(pos - LINE_STARTS[src][line_no]) .. "^"
     err_msg = (err_msg or "Parse error") .. " in " .. tostring(lpeg.userdata.source_code.source.filename) .. " on line " .. tostring(line_no) .. ":\n"
     err_msg = err_msg .. "\n" .. tostring(prev_line) .. "\n" .. tostring(err_line) .. "\n" .. tostring(pointer) .. "\n" .. tostring(next_line) .. "\n"

nomsu.moon

@@ -35,7 +35,6 @@ debug_getinfo = debug.getinfo
 -- Do a pass on all actions to enforce parameters-are-nouns heuristic
 -- Maybe do some sort of lazy definitions of actions that defer until they're used in code
 -- Add a ((%x foo %y) where {x:"asdf", y:"fdsa"}) compile-time action for substitution
--- Allow plain text backslash like: "\n" in indented text without requiring "\\n"
 -- Maybe support some kind of regex action definitions like "foo %first (and %next)*"?
 -- Re-implement nomsu-to-lua comment translation?
 
@@ -155,9 +154,9 @@ NOMSU_DEFS = with {}
         text_loc = lpeg.userdata.source_code.source\sub(pos,pos)
         line_no = text_loc\get_line_number!
         src = FILE_CACHE[text_loc.filename]
-        prev_line = src\sub(LINE_STARTS[src][line_no-1] or 1, LINE_STARTS[src][line_no]-1)
+        prev_line = src\sub(LINE_STARTS[src][line_no-1] or 1, LINE_STARTS[src][line_no]-2)
-        err_line = src\sub(LINE_STARTS[src][line_no], (LINE_STARTS[src][line_no+1] or 0)-1)
+        err_line = src\sub(LINE_STARTS[src][line_no], (LINE_STARTS[src][line_no+1] or 0)-2)
-        next_line = src\sub(LINE_STARTS[src][line_no+1] or -1, (LINE_STARTS[src][line_no+2] or 0)-1)
+        next_line = src\sub(LINE_STARTS[src][line_no+1] or -1, (LINE_STARTS[src][line_no+2] or 0)-2)
         pointer = ("-")\rep(pos-LINE_STARTS[src][line_no]) .. "^"
         err_msg = (err_msg or "Parse error").." in #{lpeg.userdata.source_code.source.filename} on line #{line_no}:\n"
         err_msg ..="\n#{prev_line}\n#{err_line}\n#{pointer}\n#{next_line}\n"

nomsu.peg

@@ -11,20 +11,20 @@ statement: action / expression
 inline_statement: inline_action / inline_expression
 
 inline_block (Block):
-    {| inline_statement (";" inline_statement)+ |}
+    {| inline_statement (%ws* ";" %ws*  inline_statement)+ |} -> Tuple
 block (Block):
     {| statement (nodent statement)+ |} -> Tuple
 
 inline_nomsu (Nomsu): "\" noindex_inline_expression
 indented_nomsu (Nomsu):
-    "\" (noindex_inline_expression / (":" %ws* (inline_action / inline_expression) eol) / indented_expression)
+    "\" (noindex_inline_expression / (":" %ws* (inline_block / inline_action / inline_expression) eol) / indented_expression)
 
 index_chain (IndexChain):
     {| noindex_inline_expression ("." ((({} ({|{%operator / (!number plain_word)}|} -> Tuple) {}) -> Text) / noindex_inline_expression))+ |} -> Tuple
 
 noindex_inline_expression:
     number / variable / inline_text / inline_list / inline_dict / inline_nomsu
-    / ("(" %ws* (inline_action / inline_expression) %ws* ")")
+    / ("(" %ws* (inline_block / inline_action / inline_expression) %ws* ")")
 
 inline_expression:
     index_chain / noindex_inline_expression 
@@ -36,12 +36,12 @@ indented_expression:
         / block (dedent / (("" -> "Error while parsing indented expression") => error)))
       )
 expression:
-    inline_expression / (":" %ws* (inline_action / inline_expression) eol) / indented_expression
+    inline_expression / (":" %ws* (inline_block / inline_action / inline_expression) eol) / indented_expression
 
 -- Function calls need at least one word in them
 inline_action (Action):
     {| (inline_expression %ws*)* word (%ws* (inline_expression / word))*
-        (%ws* ":" %ws* (inline_action / inline_expression))?|} -> Tuple
+        (%ws* ":" %ws* (inline_block / inline_action / inline_expression))?|} -> Tuple
 action (Action):
     {| (expression (dotdot / %ws*))* word ((dotdot / %ws*) (expression / word))* |} -> Tuple
 
@@ -58,20 +58,17 @@ indented_text (Text):
     '".."' eol %nl ({|
         {~ (%nl*) (%indent -> "") ~}
         ({~
-            (("\\" -> "\") / (("\" eol %nl+ %nodent "..") -> "")
+            (("\\" -> "\") / (("\" nodent "..") -> "")/ (%nl+ {~ %nodent -> "" ~}) / [^%nl\] / (!text_interpolation "\"))+
-            / (%nl+ {~ %nodent -> "" ~}) / [^%nl\])+
         ~} / text_interpolation)*
     |} -> Tuple) (((!.) &%dedent) / (&(%nl %dedent)) / (("" -> "Error while parsing Text") => error))
 inline_text_interpolation:
     "\" (
         variable / inline_list / inline_dict / inline_text
-        / ("(" %ws* (inline_action / inline_expression) %ws* ")")
+        / ("(" %ws* (inline_block / inline_action / inline_expression) %ws* ")")
     )
 text_interpolation:
     inline_text_interpolation /
-    ("\" 
+    ("\" indented_expression nodent "..")
-        (block_comment / line_comment / indented_expression)?
-    nodent "..")
 
 number (Number): (("-"? (([0-9]+ "." [0-9]+) / ("." [0-9]+) / ([0-9]+)))-> tonumber)
 
@@ -90,7 +87,7 @@ indented_list (List):
 list_line:
      ((action / expression) !comma)
      / (inline_list_item (comma list_line?)?)
-inline_list_item: inline_action / inline_expression
+inline_list_item: inline_block / inline_action / inline_expression
 
 inline_dict (Dict):
     !('{..}')
@@ -104,7 +101,7 @@ dict_line:
     ((dict_key %ws* ":" %ws* (action / expression)) -> DictEntry !comma)
     / (inline_dict_item (comma dict_line?)?)
 inline_dict_item:
-    (dict_key %ws* ":" %ws* (inline_action / inline_expression)) -> DictEntry
+    (dict_key %ws* ":" %ws* (inline_block / inline_action / inline_expression)) -> DictEntry
 dict_key:
     (({} ({|{%operator / (!number plain_word)}|} -> Tuple) {}) -> Text) / inline_expression
 

tests/text.nom

@@ -22,3 +22,34 @@ immediately
     "\(%)世界"
 
 assume ((%こんにちは と言う) = "こんにちは世界") or barf "Unicode doesn't work"
+
+%s <- ".."
+    one two\nthree\
+    ..four
+assume (%s = "one two\\nthreefour")
+%s <- ".."
+    list:\[..]
+        1,2,3
+    ..
+assume (%s = "list:{1, 2, 3}")
+
+assume
+    ".."
+        foo = \
+            1 + 2
+        ..!
+    ..= "foo = 3!"
+
+assume 
+    ".."
+        one\"\n"two
+    ..= "one\ntwo"
+
+assume
+    ".."
+        no\ # Comment
+        #comment
+        #..
+            block comment
+        ..gap
+    ..= "nogap"