From 98e2c140860b2783f2f72934dbfa279dea2dc2ad Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <clyne@bitgloo.com>
Date: Wed, 29 Nov 2023 11:48:12 -0500
Subject: PoC msp430 register/flag support

---
 source/parse.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'source/parse.cpp')

diff --git a/source/parse.cpp b/source/parse.cpp
index 6f68c84..97ae4fe 100644
--- a/source/parse.cpp
+++ b/source/parse.cpp
@@ -22,6 +22,12 @@
 #include <cctype>
 #include <cstdlib>
 
+__attribute__((weak))
+int findword(const char *, int)
+{
+    return -1;
+}
+
 [[nodiscard]]
 static Error parseword(const char *start, const char *end)
 {
@@ -34,11 +40,13 @@ static Error parseword(const char *start, const char *end)
             } else {
                 result = execute1(word);
             }
-        } else if (isdigit(*start)) {
+        } else if (isdigit(*start) || (*start == '-' && isdigit(*(start + 1)))) {
             push(std::atoi(start));
 
             if (STATE)
                 compileliteral();
+        } else if (findword(start, end - start)) {
+            return Error::noword;
         }
     }
 
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