[gobject-introspection] [g-ir-compiler] Slightly less lame error messages

[Colin Walters <walters src gnome org>]

commit a9e6ae83ffa54194adc01e84c85ac336c59fd520
Author: Colin Walters <walters verbum org>
Date:   Thu Feb 11 17:18:28 2010 -0500

    [g-ir-compiler] Slightly less lame error messages
    
    To make things really better we should track the line origin of
    element from the .gir file (and actually we need to do better
    checking in the scanner), but this is slightly less lame.

 girepository/girmodule.c  |   34 ++++++++++++++++++++++++++++++++++
 girepository/girmodule.h  |    2 ++
 girepository/girnode.c    |    2 +-
 girepository/giroffsets.c |    2 +-
 4 files changed, 38 insertions(+), 2 deletions(-)
---
diff --git a/girepository/girmodule.c b/girepository/girmodule.c
index bf1e856..b954d15 100644
--- a/girepository/girmodule.c
+++ b/girepository/girmodule.c
@@ -20,6 +20,7 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <stdlib.h>
 
 #include "girmodule.h"
 #include "girnode.h"
@@ -75,6 +76,39 @@ g_ir_module_free (GIrModule *module)
   g_free (module);
 }
 
+/**
+ * g_ir_module_fatal:
+ * @module: Current module
+ * @line: Origin line number, or 0 if unknown
+ * @msg: printf-format string
+ * @args: Remaining arguments
+ *
+ * Report a fatal error, then exit.
+ */
+void
+g_ir_module_fatal (GIrModule  *module,
+                   guint       line,
+                   const char *msg,
+                   ...)
+{
+  char *formatted;
+
+  va_list args;
+  
+  va_start (args, msg);
+  
+  formatted = g_strdup_vprintf (msg, args);
+  
+  if (line)
+    g_printerr ("%s-%s.gir:%d: error: %s\n", module->name, module->version, line, formatted);
+  else
+    g_printerr ("%s-%s.gir: error: %s\n", module->name, module->version, formatted);
+    
+  exit (1);
+  
+  va_end (args);
+}
+
 static void
 add_alias_foreach (gpointer key,
 		   gpointer value,
diff --git a/girepository/girmodule.h b/girepository/girmodule.h
index 5a558c3..da3fb35 100644
--- a/girepository/girmodule.h
+++ b/girepository/girmodule.h
@@ -61,6 +61,8 @@ void       g_ir_module_add_include_module (GIrModule  *module,
 GTypelib * g_ir_module_build_typelib  (GIrModule  *module,
 				       GList       *modules);
 
+void       g_ir_module_fatal (GIrModule  *module, guint line, const char *msg, ...) G_GNUC_PRINTF (3, 4) G_GNUC_NORETURN;
+
 void _g_irnode_init_stats (void);
 void _g_irnode_dump_stats (void);
 
diff --git a/girepository/girnode.c b/girepository/girnode.c
index 9f62345..2523ee1 100644
--- a/girepository/girnode.c
+++ b/girepository/girnode.c
@@ -1090,7 +1090,7 @@ find_entry_node (GIrModule   *module,
       goto out;
     }
 
-  g_warning ("Entry '%s' not found", name);
+  g_ir_module_fatal (module, 0, "Type reference '%s' not found", name);
 
  out:
 
diff --git a/girepository/giroffsets.c b/girepository/giroffsets.c
index 96ff576..dcfd75e 100644
--- a/girepository/giroffsets.c
+++ b/girepository/giroffsets.c
@@ -156,7 +156,7 @@ get_interface_size_alignment (GIrNodeType *type,
 
   if (!g_ir_find_node (module, modules, type->interface, &iface, &iface_module))
     {
-      g_warning ("Can't resolve type '%s' for %s", type->interface, who);
+      g_ir_module_fatal (module, 0, "Can't resolve type '%s' for %s", type->interface, who);
       *size = -1;
       *alignment = -1;
       return FALSE;