Fix bool constants' values being always parsed as True

This fixes issue #34.

cidl/cidl.py

@@ -318,11 +318,10 @@ def debug(self, msg, *args, **kwargs):
 class Parser(object):
   keywords = {
     'const' : 'CONST',
-    'false' : 'FALSE',
-    'true'  : 'TRUE'
   }
 
   tokens = [
+    'BOOL',
     'FLOAT',
     'HEX',
     'OCT',
@@ -339,9 +338,17 @@ class Parser(object):
     'RBRACKET',
     'EQUALS',
     'COMMA',
-    'SEMICOLON'
+    'SEMICOLON',
   ] + list(keywords.values())
 
+  def t_BOOL(self, t):
+    r'(true|false)'
+    if t.value =='true':
+      t.value = True
+    elif t.value == 'false':
+      t.value = False
+    return t
+
   def t_FLOAT(self, t):
     r'(([0-9]*\.[0-9]*)([eE][+-]?[0-9]+)?|[0-9]+[eE][+-][0-9]+)'
     t.value = float(t.value)
@@ -498,9 +505,8 @@ def p_uchar(self, p):
     p[0] = self._value_class('uchar', p[1])
 
   def p_bool(self, p):
-    """bool : TRUE
-               | FALSE"""
-    p[0] = self._value_class('bool', bool(p[1]))
+    """bool : BOOL"""
+    p[0] = self._value_class('bool', p[1])
 
   def p_string(self, p):
     """string : STRING"""

src/codegen.py

@@ -224,8 +224,7 @@ def gen_callbacks(idl, hdr, src):
   if src is not None:
     for f in callbacks:
       src.write('typedef %s (SAMPGDK_CALLBACK_CALL *%s_type)(%s);\n' % (f.type, f.name, ParamList(f.params)))
-      src.write('bool %s_handler(AMX *amx, void *callback, cell *retval) {\n' %
-                f.name)
+      src.write('bool %s_handler(AMX *amx, void *callback, cell *retval) {\n' % f.name)
 
       badret = f.get_attr('badret')
       if badret is not None: