From ef82689edd12da051c8a715f871c3dc00743803e Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Wed, 1 Oct 2025 21:42:58 -0400
Subject: np: parse: Allocate new PIIR stack into work desc

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 src/sys/include/os/np.h    | 3 +++
 src/sys/np/core/np_parse.c | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/src/sys/include/os/np.h b/src/sys/include/os/np.h
index 9b04f0e..6671e10 100644
--- a/src/sys/include/os/np.h
+++ b/src/sys/include/os/np.h
@@ -38,6 +38,7 @@
 #include <sys/types.h>
 #include <os/vnode.h>
 #include <np/lex.h>
+#include <np/piir.h>
 #include <lib/ptrbox.h>
 
 /*
@@ -46,6 +47,7 @@
  * @source: Source input file
  * @source_size: Source size in bytes
  * @line_no: Current line number
+ * @piir_stack: Bytecode stack
  * @lex_st: Lexer state
  * @ast_root: Parse tree
  * @ccache: Character cache (temporary store for lexer)
@@ -56,6 +58,7 @@ struct np_work {
     char *source;
     size_t source_size;
     size_t line_no;
+    struct piir_stack *piir_stack;
     struct lexer_state lex_st;
     struct ptrbox *work_mem;
     struct ast_node *ast_root;
diff --git a/src/sys/np/core/np_parse.c b/src/sys/np/core/np_parse.c
index 81c5a8d..fd35e3c 100644
--- a/src/sys/np/core/np_parse.c
+++ b/src/sys/np/core/np_parse.c
@@ -38,6 +38,7 @@
 #include <sys/param.h>
 #include <np/lex.h>
 #include <np/parse.h>
+#include <np/piir.h>
 #include <np/ast.h>
 #include <os/np.h>
 #include <lib/ptrbox.h>
@@ -348,6 +349,13 @@ parse_work(struct np_work *work)
         return -ENOMEM;
     }
 
+    /* Initialize PIIR */
+    error = piir_stack_new(work, &work->piir_stack);
+    if (error < 0) {
+        pr_error("failed to alloc PIIR stack\n");
+        return error;
+    }
+
     while (error == 0) {
         error = lex_nom(work, &tok);
         if (error == LEX_EOF) {
-- 
cgit v1.2.3