From de0d74dc68e59312fa293eb53f3002de9b7b5208 Mon Sep 17 00:00:00 2001
From: Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
Date: Thu, 6 Aug 2009 17:04:36 +0200
Subject: [PATCH] Forgot to add files.

---
 gen/warnings.cpp | 33 +++++++++++++++++++++++++++++++++
 gen/warnings.h   |  6 ++++++
 2 files changed, 39 insertions(+)
 create mode 100644 gen/warnings.cpp
 create mode 100644 gen/warnings.h

diff --git a/gen/warnings.cpp b/gen/warnings.cpp
new file mode 100644
index 00000000..cbb33835
--- /dev/null
+++ b/gen/warnings.cpp
@@ -0,0 +1,33 @@
+#include "mars.h"
+#include "mtype.h"
+#include "expression.h"
+
+#include "gen/warnings.h"
+
+void warnInvalidPrintfCall(Loc loc, Expression* arguments, size_t nargs)
+{
+    Expression* arg = arguments;
+
+    // make sure first argument is a string literal, or we can't do much
+    // TODO make it smarter ?
+    if (arg->op != TOKstring)
+        return; // assume valid
+
+    StringExp* strexp = (StringExp*)arg;
+
+    // not wchar or dhar
+    if (strexp->sz != 1)
+    {
+        warning(loc, "printf does not support wchar and dchar strings");
+        return;
+    }
+
+#if 0
+    // check the format string
+    const char* str = (char*)strexp->string;
+    for (size_t i = 0; i < strexp->len; ++i)
+    {
+        // TODO
+    }
+#endif
+}
diff --git a/gen/warnings.h b/gen/warnings.h
new file mode 100644
index 00000000..13ed63c1
--- /dev/null
+++ b/gen/warnings.h
@@ -0,0 +1,6 @@
+#ifndef __LDC_GEN_WARNINGS_H__
+#define __LDC_GEN_WARNINGS_H__
+
+void warnInvalidPrintfCall(Loc loc, Expression* arguments, size_t nargs);
+
+#endif // __LDC_GEN_WARNINGS_H__