From e592afd8e0d74a2300d2437a320f63f0b217a629 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Sat, 5 Jan 2019 12:29:35 +1100
Subject: [PATCH] tools/spec: don't raise strings as exceptions

---
 tools/spec.py | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/tools/spec.py b/tools/spec.py
index bc477f1..7156665 100644
--- a/tools/spec.py
+++ b/tools/spec.py
@@ -401,7 +401,7 @@ class Constant(Type):
         elif 'bitpos' in node.attrib:
             self.value = "1 << %s"  % node.attrib['bitpos']
         else:
-            raise "Unknown constant value type"
+            raise RuntimeError("Unknown constant value type")
 
     def declare(self):
         return "constexpr auto %(name)s = %(value)s;" % {
@@ -497,7 +497,7 @@ class Require(object):
             elif node.tag in ['comment']:
                 pass
             else:
-                raise "Unknown requires node"
+                raise RuntimeError("Unknown requires node")
 
     def apply(self, reg: Registry, extnumber=None):
         required = []
@@ -528,7 +528,7 @@ class Require(object):
             elif value.tag == 'command':
                 required.append(name)
             else:
-                raise "Unknown type"
+                raise RuntimeError("Unknown type")
 
         return required
 
@@ -545,7 +545,7 @@ class Feature(Type):
             if 'require' == node.tag:
                 self.requires.append(Require(node))
             else:
-                raise "Unhandled feature node"
+                raise RuntimeError("Unhandled feature node")
 
     def define(self, reg: Registry):
         return "#define %s" % self.name
@@ -579,7 +579,7 @@ class Extension(Type):
             if node.tag == 'require':
                 self.requires.append(Require(node))
             else:
-                raise "Unknown extension node"
+                raise RuntimeError("Unknown extension node")
 
     def apply(self, reg: Registry, platform: Set[str]):
         if self.name in reg.applied:
@@ -653,7 +653,7 @@ def parse_types(reg: Registry, root):
             if concrete:
                 reg.types[name] = concrete(t)
             else:
-                raise 'unhandled type'
+                raise RuntimeError('unhandled type')
 
         if 'requires' in t.attrib:
             reg.types[name].depends.append(t.attrib['requires'])