fix: hex float types (#567)

Author: zawan-ila

pycparser/c_parser.py

@@ -1891,15 +1891,12 @@ def p_constant_2(self, p):
         """ constant    : FLOAT_CONST
                         | HEX_FLOAT_CONST
         """
-        if 'x' in p[1].lower():
+        if p[1][-1] in ('f', 'F'):
             t = 'float'
+        elif p[1][-1] in ('l', 'L'):
+            t = 'long double'
         else:
-            if p[1][-1] in ('f', 'F'):
-                t = 'float'
-            elif p[1][-1] in ('l', 'L'):
-                t = 'long double'
-            else:
-                t = 'double'
+            t = 'double'
 
         p[0] = c_ast.Constant(
             t, p[1], self._token_coord(p, 1))

tests/test_c_parser.py

@@ -1464,7 +1464,7 @@ def test_decl_inits(self):
 
         d1_1 = 'float f = 0xEF.56p1;'
         self.assertEqual(self.get_decl_init(d1_1),
-            ['Constant', 'float', '0xEF.56p1'])
+            ['Constant', 'double', '0xEF.56p1'])
 
         d1_2 = 'int bitmask = 0b1001010;'
         self.assertEqual(self.get_decl_init(d1_2),
@@ -1529,7 +1529,23 @@ def test_decl_inits(self):
 
         d55 = 'float ld = 0xDE.38p0;'
         self.assertEqual(self.get_decl_init(d55),
-            ['Constant', 'float', '0xDE.38p0'])
+            ['Constant', 'double', '0xDE.38p0'])
+
+        d56 = 'float ld = 0xDE.38p0f;'
+        self.assertEqual(self.get_decl_init(d56),
+            ['Constant', 'float', '0xDE.38p0f'])
+
+        d57 = 'float ld = 0xDE.38p0F;'
+        self.assertEqual(self.get_decl_init(d57),
+            ['Constant', 'float', '0xDE.38p0F'])
+
+        d58 = 'float ld = 0xDE.38p0l;'
+        self.assertEqual(self.get_decl_init(d58),
+            ['Constant', 'long double', '0xDE.38p0l'])
+
+        d59 = 'float ld = 0xDE.38p0L;'
+        self.assertEqual(self.get_decl_init(d59),
+            ['Constant', 'long double', '0xDE.38p0L'])
 
         d6 = 'int i = 1;'
         self.assertEqual(self.get_decl_init(d6),