np: parse: Create proc AST, handle end/begin, ...

This commit introduces AST object types and AST integer type
definitions. We also now keep track of how deep we are in begin/end
tags.

- Introduce parsing for TT_BEGIN
- Introduce parsing for TT_END

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/sys/include/os/np.h b/src/sys/include/os/np.h
index c3921cb..9b04f0e 100644
--- a/src/sys/include/os/np.h
+++ b/src/sys/include/os/np.h
@@ -49,6 +49,8 @@
  * @lex_st: Lexer state
  * @ast_root: Parse tree
  * @ccache: Character cache (temporary store for lexer)
+ * @in_func: Is set if we are inside a function
+ * @begin_depth: How deep in "begin" we are
  */
 struct np_work {
     char *source;
@@ -58,6 +60,8 @@ struct np_work {
     struct ptrbox *work_mem;
     struct ast_node *ast_root;
     char ccache;
+    uint8_t in_func : 1;
+    uint8_t begin_depth;
 };
 
 /*