grammar neaten; for-loop iterate

c/containers/mlr_dsl_ast.c

@@ -173,6 +173,8 @@ char* mlr_dsl_ast_node_describe_type(mlr_dsl_ast_node_type_t type) {
 	case MD_AST_NODE_TYPE_ENV:                return "env";                break;
 	case MD_AST_NODE_TYPE_FOR:                return "for";                break;
 	case MD_AST_NODE_TYPE_IN:                 return "in";                 break;
+	case MD_AST_NODE_TYPE_BREAK:              return "break";              break;
+	case MD_AST_NODE_TYPE_CONTINUE:           return "continue";           break;
 	default: return "???";
 	}
 }

c/containers/mlr_dsl_ast.h

@@ -35,6 +35,8 @@ typedef enum _mlr_dsl_ast_node_type_t {
 	MD_AST_NODE_TYPE_NOP, // only for parser internals; should not be in the AST returned by the parser
 	MD_AST_NODE_TYPE_FOR,
 	MD_AST_NODE_TYPE_IN,
+	MD_AST_NODE_TYPE_BREAK,
+	MD_AST_NODE_TYPE_CONTINUE,
 } mlr_dsl_ast_node_type_t;
 
 typedef struct _mlr_dsl_ast_t {

c/dsls/mlr_dsl_lexer.l

@@ -4,6 +4,17 @@
 #include "mlr_dsl_parse.h"
 #include "../containers/mlr_dsl_ast.h"
 // http://flex.sourceforge.net/manual/Extra-Data.html
+
+//xxx to do
+//"break" {
+//	*yyextra = mlr_dsl_ast_node_alloc(yytext, MD_AST_NODE_TYPE_BREAK);
+//	return MD_TOKEN_BREAK;
+//}
+//"continue" {
+//	*yyextra = mlr_dsl_ast_node_alloc(yytext, MD_AST_NODE_TYPE_CONTINUE);
+//	return MD_TOKEN_CONTINUE;
+//}
+
 %}
 
 %option reentrant

c/todo.txt

@@ -42,18 +42,6 @@ TOP-OF-LIST SUMMARY
   ? komosa multiops?
     ? for x $* { for y { @v["a"] { ... } } ?
 
-================================================================
-* relcut material since 3.5.0:
-  - oosvars
-  - begin/end
-  - emit/all
-  - unset/all
-  - bare-boolean and pattern-action
-  - put -q: equiv to putting 'filter false'
-  - += et al. were ever announced -- fix intro release & note
-  - double-backslashing bug in sub/gsub
-  - --from, & why: up-arrow & append then-chain
-
 ================================================================
 NON-PRE4
 ================================================================