saving generators

lib/sdl3/src/c.zig

@@ -0,0 +1,3 @@
+pub const c = @cImport({ // todo, should not be constant
+    @cInclude("SDL3/SDL.h");
+});

lib/sdl3/src/generators/gpu.py

@@ -0,0 +1,131 @@
+import os
+import sys
+from pprint import pprint
+
+import subprocess
+
+origDir = os.path.abspath(os.path.dirname(__file__))
+os.chdir(origDir)
+
+gpufile = "../../SDL/include/SDL3/SDL_gpu.h"
+
+mode_default = 0
+mode_collecting = 1
+
+typedefs_pod = []
+typedefs_opaque = []
+typedefs_enum = []
+typedefs_struct = []
+typedefs_unknown = []
+
+functions = []
+
+defines = []
+
+lastList = None
+
+with open(gpufile) as f:
+    mode = mode_default
+    braceCount = 0
+    for l in f:
+        dropped = True
+        line = l.strip()
+        if mode == mode_default:
+            if line.startswith('typedef'):
+                if ";" in line and 'struct' in line:
+                    typedefs_opaque.append(line)
+                    dropped = False
+                elif ';' in line:
+                    typedefs_pod.append(line)
+                    dropped = False
+                elif 'enum' in line:
+                    lastList = typedefs_enum
+                    typedefs_enum.append(line)
+                    dropped = False
+                elif 'struct' in line:
+                    lastList = typedefs_struct
+                    typedefs_struct.append(line)
+                    dropped = False
+                else:
+                    lastList = typedefs_unknown
+                    dropped = False
+                    typedefs_unknown.append(line)
+
+            elif line.startswith('extern SDL_DECLSPEC'):
+                lastList = functions
+                dropped = False
+                functions.append(line)
+
+            elif line.startswith('#define '):
+                lastList = defines
+                defines.append(line)
+
+            if ';' not in line and not dropped:
+                mode = mode_collecting
+                if "{" in l:
+                    braceCount = 1
+
+        elif mode == mode_collecting:
+            lastList[-1] += l.replace('\n', '\n')
+
+            if "{" in line:
+                braceCount += 1
+
+            if "}" in line:
+                braceCount -= 1
+
+            if ';' in line and braceCount == 0:
+                mode = mode_default
+
+print_types = False
+print_functions = False
+print_defines= False
+
+def plos(l):
+    for s in l:
+        print('> ', s, " < ")
+
+print('opaque')
+plos(typedefs_opaque)
+print('pod')
+plos(typedefs_pod)
+if print_types:
+    print('struct')
+    plos(typedefs_struct)
+    print('enum')
+    plos(typedefs_enum)
+    print('unknown')
+    plos(typedefs_unknown)
+
+if print_functions:
+    print('functions')
+    plos(functions)
+
+if print_defines:
+    print('defines')
+    plos(defines)
+
+print(f"\nfunctions: {len(functions)}, structs:{len(typedefs_struct)}, enums:{len(typedefs_enum)}\n")
+
+ostring = 'pub const c = @import("c.zig").c;\n\n'
+# time to generate types...
+# first the opaques
+
+typeMap = {}
+typeMap_r= {}
+
+for t in typedefs_opaque:
+    c_typename = t.strip().strip(';').split(' ')[3]
+    typename = c_typename
+
+    if typename.startswith("SDL_"):
+        typename = typename[4:]
+
+    typeMap[c_typename] = typename
+    typeMap_r[typename] =  c_typename
+
+    brackets = "{}"
+    definition = f"pub const {typename} = opaque{brackets};\n"
+    ostring += definition
+print (ostring)
+

lib/sdl3/src/gpu.zig

@@ -0,0 +1 @@
+const c = @import("c.zig").c;

lib/sdl3/src/init.zig

@@ -0,0 +1,39 @@
+pub const c = @cImport({ // todo, should not be constant
+    @cInclude("SDL3/SDL.h");
+});
+
+pub const InitOptions = packed struct(c_int) {
+    pad0: u4 = 0, // 0 - 3
+    audio: bool = false, // 4
+    video: bool = false, // 5
+    pad1: u2 = 0, // 6-7
+    pad2: u1 = 0, // 8
+    joystick: bool = false, // 9
+    pad3: u2 = 0, // 10-11
+    haptic: bool = false, // 12
+    gamepad: bool = false,
+    events: bool = false,
+    sensor: bool = false,
+    camera: bool = false,
+    pad4: u3 = 0,
+    pad5: u12 = 0,
+};
+
+pub const AppResult = enum{
+    app_continue,
+    app_success,
+    app_failure,
+};
+
+pub const Window = opaque {};
+
+pub fn createWindow() !*Window {
+
+    return @ptrCast();
+}
+
+pub fn init(options: InitOptions) !void {
+    if (!c.SDL_Init(@bitCast(options))) {
+        return error.InitFailed;
+    }
+}

lib/sdl3/src/sdl3.zig

@@ -1,57 +1,4 @@
-pub const c = @cImport({ // todo, should not be constant
+const c = @import("c.zig").c;
-    @cInclude("SDL3/SDL.h");
-});
 
-pub const InitOptions = packed struct(c_int) {
+pub const gpu = @import("gpu.zig");
-    // nibble 0
+pub const init = @import("init.zig");
-    pad0: u4 = 0, // 0 - 3
-
-    // nibble 1
-    audio: bool = false, // 4
-    video: bool = false, // 5
-    pad1: u2 = 0, // 6-7
-
-    // nibble 2
-    pad2: u1 = 0, // 8
-    joystick: bool = false, // 9
-    pad3: u2 = 0, // 10-11
-
-    // nibble 3
-    haptic: bool = false, // 12
-    gamepad: bool = false,
-    events: bool = false,
-    sensor: bool = false,
-
-    // nibble 4
-    camera: bool = false,
-    pad4: u3 = 0,
-
-    pad5: u12 = 0,
-};
-
-pub const Window = opaque {};
-
-pub fn createWindow() !*Window {}
-
-pub fn init(options: InitOptions) !void {
-    if (!c.SDL_Init(@bitCast(options))) {
-        return error.InitFailed;
-    }
-}
-
-pub fn pollEvent() ?c.SDL_Event {
-    var event: c.SDL_Event = undefined;
-
-    if (c.SDL_PollEvent(&event)) {
-        return event;
-    }
-    return null;
-}
-
-pub const SDLEvent = struct {};
-
-pub const SDL_CommonEvent = struct {
-    eventType: u32 = 0, // Event type, shared with all events,
-    reserved: u32 = 0,
-    timestamp: u64 = 0, // in nanoseconds, populated using SDL_GetTickNS()
-};

lib/sdl3/src/video.zig

@@ -0,0 +1 @@
+const c = @import("c.zig").c;