added jison grammar file

typedjs_parser.jison

@@ -0,0 +1,105 @@
+/* description: Parses end executes mathematical expressions. */
+
+/* lexical grammar */
+%lex
+%%
+
+\s+                   /* skip whitespace */
+"String"              return 'string'
+"Number"              return 'number'
+"Char"                return 'char'
+"Boolean"             return 'boolean'
+([a-z]|[A-Z]|\_|\.)+  return 'VAR'
+"//+"                 return 'BEGIN'
+","                   return ','
+"("                   return '('
+")"                   return ')'
+"["                   return '['
+"]"                   return ']'
+"{"                   return '{'
+"}"                   return '}'
+"::"                  return '::'
+"->"                  return '->'
+":"                   return ':'
+"|"                   return '|'
+<<EOF>>               return 'EOF'
+.                     return 'INVALID'
+
+/lex
+
+/* operator associations and precedence */
+
+%left ','
+%left ':'
+%left '|'
+
+
+%start expressions
+
+%% /* language grammar */
+
+expressions
+    : BEGIN VAR "::" arg_list EOF
+        {return '{"func":"' + $2 + '","args":[' +$4 + ']}';}
+    ;
+
+arg_list
+    : e
+      {$$ = $1;}
+    | arg_list "->" e
+      {$$ = $1 +"," + $3;}
+    ;
+
+primitive
+    : string
+        {$$ = '"string"';}
+    | char
+        {$$ = '"char"';}
+    | number
+        {$$ = '"number"';}
+    | boolean
+        {$$ = '"boolean"';}
+    ;
+
+tuple
+    : '(' e ')'
+      {$$ = "["+$2+"]";}
+    ;
+
+object
+    : '{' e '}'
+      {$$ = "{"+$2+"}";}
+    ;
+
+list
+    : '[' primitive ']'
+      {$$ = '{"array":' + $2 + '}';}
+    | '[' object ']'
+      {$$ = '{"array":' + $2 + '}';}
+    | '[' tuple ']'
+      {$$ = '{"array":' + $2 + '}';}
+    | '[' list ']'
+      {$$ = '{"array":' + $2 + '}';}
+    | '[' or ']'
+      {$$ = '{"array":{"or":[' + $2 + ']}}'; }
+    ;
+
+or
+  : e '|' e
+    {$$ = $1 + ',' + $3;}
+  ;
+
+e
+    : e ',' e
+        {$$ = $1+','+$3;}
+    | or
+      {$$ = '{"or":[' + $1 + ']}';}
+    | object
+    | tuple
+    | list
+    | primitive
+    |  e ':' e
+        {$$ = $1 +':'+ $3;}
+    | VAR
+        {$$ = '"' + String(yytext) + '"';}
+    ;