header parser: add multiline macros

examples/parse_me.h

@@ -31,3 +31,11 @@ GLFWAPI void glfwPollEvents(void);
 #define K_BLAH 12345
 #define K_BLAX 0x123
 #define K_GLAH 12345
+
+// C function-like macros
+
+#define X(a, b) a + b
+#define Y(a, b) {\\
+  foo(a, b);\\
+}
+#define Z(a, b) "hi"

headerparse/Main.hs

@@ -53,7 +53,7 @@ parseHeaderFile path src prefix kebab =
                     name <- Parsec.many1 identifierChar
                     argList <- Parsec.optionMaybe argList
                     Parsec.many spaceOrTab
-                    number <- Parsec.many1 identifierChar
+                    _ <- defineBody
                     Parsec.many spaceOrTab
                     -- OBS! Never kebab
                     case argList of
@@ -76,6 +76,17 @@ parseHeaderFile path src prefix kebab =
                   genTypes 0 = []
                   genTypes n = (("a" ++ show n), 0) : genTypes (n - 1)
 
+        defineBody :: Parsec.Parsec String () ()
+        defineBody = do s <- Parsec.many (Parsec.noneOf "\\\n")
+                        ending <- Parsec.optionMaybe (Parsec.string "\\\\\n")
+                        case ending of
+                          Nothing ->
+                            do c <- Parsec.optionMaybe (Parsec.noneOf "\n")
+                               case c of
+                                 Just _  -> defineBody
+                                 Nothing -> return ()
+                          Just _ -> defineBody
+
         prefixedFunctionPrototype :: Parsec.Parsec String () [XObj]
         prefixedFunctionPrototype = do Parsec.many spaceOrTab
                                        _ <- Parsec.many1 identifierChar