Update compact_c_ffi.sed to maintain some spacing

Author: gilzoide

Makefile

@@ -124,7 +124,7 @@ else
 	STRIP_CMD =
 	LDOC_ARGS = --all
 endif
-INIT_SCRIPT_SED = src/tools/remove_lua_comments.sed src/tools/squeeze_blank_lines.sed src/tools/compact_c_ffi.sed
+INIT_SCRIPT_SED = src/tools/remove_lua_comments.sed src/tools/compact_c_ffi.sed src/tools/squeeze_blank_lines.sed
 EMBED_SCRIPT_SED = src/tools/embed_to_c.sed src/tools/add_script_c_decl.sed
 
 ifneq (,$(CODE_SIGN_IDENTITY))

src/godot_ffi.lua

@@ -128,7 +128,7 @@ typedef struct godot_variant {
 // Math type definitions copied from HGDN
 typedef union godot_vector2 {
 	// raw data, must be the first field for guaranteeing ABI compatibility with Godot
-	uint8_t data[sizeof(godot_real[2])];
+	uint8_t _dont_touch_that[sizeof(godot_real[2])];
 	// float elements
 	godot_real elements[2];
 	// xy
@@ -145,7 +145,7 @@ typedef union godot_vector2 {
 
 typedef union godot_vector3 {
 	// raw data, must be the first field for guaranteeing ABI compatibility with Godot
-	uint8_t data[sizeof(godot_real[3])];
+	uint8_t _dont_touch_that[sizeof(godot_real[3])];
 	// float elements
 	godot_real elements[3];
 	// xyz
@@ -169,7 +169,7 @@ typedef union godot_vector3 {
 
 typedef union godot_color {
 	// raw data, must be the first field for guaranteeing ABI compatibility with Godot
-	uint8_t data[sizeof(godot_real[4])];
+	uint8_t _dont_touch_that[sizeof(godot_real[4])];
 	godot_real elements[4];
 	struct { godot_real r, g, b, a; };
 	struct { godot_vector2 rg; godot_vector2 ba; };
@@ -180,22 +180,22 @@ typedef union godot_color {
 
 typedef union godot_rect2 {
 	// raw data, must be the first field for guaranteeing ABI compatibility with Godot
-	uint8_t data[sizeof(godot_real[4])];
+	uint8_t _dont_touch_that[sizeof(godot_real[4])];
 	godot_real elements[4];
 	struct { godot_real x, y, width, height; };
 	struct { godot_vector2 position; godot_vector2 size; };
 } godot_rect2;
 
 typedef union godot_plane {
 	// raw data, must be the first field for guaranteeing ABI compatibility with Godot
-	uint8_t data[sizeof(godot_real[4])];
+	uint8_t _dont_touch_that[sizeof(godot_real[4])];
 	godot_real elements[4];
 	struct { godot_vector3 normal; godot_real d; };
 } godot_plane;
 
 typedef union godot_quat {
 	// raw data, must be the first field for guaranteeing ABI compatibility with Godot
-	uint8_t data[sizeof(godot_real[4])];
+	uint8_t _dont_touch_that[sizeof(godot_real[4])];
 	godot_real elements[4];
 	struct { godot_real x, y, z, w; };
 	struct { godot_vector2 xy; godot_vector2 zw; };
@@ -206,29 +206,29 @@ typedef union godot_quat {
 
 typedef union godot_basis {
 	// raw data, must be the first field for guaranteeing ABI compatibility with Godot
-	uint8_t data[sizeof(godot_real[9])];
+	uint8_t _dont_touch_that[sizeof(godot_real[9])];
 	godot_real elements[9];
 	godot_vector3 rows[3];
 } godot_basis;
 
 typedef union godot_aabb {
 	// raw data, must be the first field for guaranteeing ABI compatibility with Godot
-	uint8_t data[sizeof(godot_real[6])];
+	uint8_t _dont_touch_that[sizeof(godot_real[6])];
 	godot_real elements[6];
 	struct { godot_vector3 position, size; };
 } godot_aabb;
 
 typedef union godot_transform2d {
 	// raw data, must be the first field for guaranteeing ABI compatibility with Godot
-	uint8_t data[sizeof(godot_real[6])];
+	uint8_t _dont_touch_that[sizeof(godot_real[6])];
 	godot_real elements[6];
 	godot_vector2 columns[3];
 	struct { godot_vector2 x, y, origin; };
 } godot_transform2d;
 
 typedef union godot_transform {
 	// raw data, must be the first field for guaranteeing ABI compatibility with Godot
-	uint8_t data[sizeof(godot_real[12])];
+	uint8_t _dont_touch_that[sizeof(godot_real[12])];
 	godot_real elements[12];
 	struct { godot_basis basis; godot_vector3 origin; };
 } godot_transform;

src/tools/compact_c_ffi.sed

@@ -1,17 +1,13 @@
 /cdef\[\[/,/\]\]/ {
-	# Remove indentation
-	s/^[[:space:]]*//
 	# Remove C comments
 	s/[[:space:]]*\/\/.*//
 	# Minify unused private fields
-	s/_dont_touch_that/d/
+	s/_dont_touch_that/_/
 	# Remove function parameter names
 	/\(\*/ {
-		s/[_a-zA-Z0-9]*(,|\);)/\1/g
+		s/[[:space:]]*[_a-zA-Z0-9]*(,|\);)/\1/g
 	}
-	# Remove spaces before/after punctuation
-	s/[[:space:]]*([^_a-zA-Z0-9])[[:space:]]*/\1/g
-	# Remove empty lines
-	/^$/d
+	# Remove unused enum/struct/union names when they're typedef'd
+	s/typedef (enum|struct|union) [_a-zA-Z0-9]*/typedef \1/
 }