From ca91acb03bcea2ec14a49baa939dc37ad868b768 Mon Sep 17 00:00:00 2001
From: Andre Weissflog <floooh@gmail.com>
Date: Mon, 27 Jun 2022 19:20:25 +0200
Subject: start with odin bindings

---
 bindgen/.gitignore  |  1 +
 bindgen/gen_all.py  | 10 ++++++-
 bindgen/gen_odin.py | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 89 insertions(+), 1 deletion(-)
 create mode 100644 bindgen/gen_odin.py

(limited to 'bindgen')

diff --git a/bindgen/.gitignore b/bindgen/.gitignore
index 9dcbf6fe..412befc3 100644
--- a/bindgen/.gitignore
+++ b/bindgen/.gitignore
@@ -4,3 +4,4 @@
 __pycache__/
 sokol-nim/
 sokol-zig/
+sokol-odin/
diff --git a/bindgen/gen_all.py b/bindgen/gen_all.py
index 112ca8fc..2f514b3b 100644
--- a/bindgen/gen_all.py
+++ b/bindgen/gen_all.py
@@ -1,4 +1,4 @@
-import os, gen_nim, gen_zig
+import os, gen_nim, gen_zig, gen_odin
 
 tasks = [
     [ '../sokol_gfx.h',            'sg_',       [] ],
@@ -11,6 +11,14 @@ tasks = [
     [ '../util/sokol_shape.h',     'sshape_',   ['sg_'] ],
 ]
 
+# Odin
+gen_odin.prepare()
+for task in tasks:
+    c_header_path = task[0]
+    main_prefix = task[1]
+    dep_prefixes = task[2]
+    gen_odin.gen(c_header_path, main_prefix, dep_prefixes)
+
 # Nim
 gen_nim.prepare()
 for task in tasks:
diff --git a/bindgen/gen_odin.py b/bindgen/gen_odin.py
new file mode 100644
index 00000000..18a9ef32
--- /dev/null
+++ b/bindgen/gen_odin.py
@@ -0,0 +1,79 @@
+#-------------------------------------------------------------------------------
+#   gen_odin.py
+#
+#   Generate Odin bindings.
+#-------------------------------------------------------------------------------
+import gen_ir
+import re, os, shutil, sys
+
+module_root = 'sokol-odin/src/sokol'
+
+module_names = {
+    'sg_':      'gfx',
+    'sapp_':    'app',
+    'sapp_sg':  'glue',
+    'stm_':     'time',
+    'saudio_':  'audio',
+    'sgl_':     'gl',
+    'sdtx_':    'debugtext',
+    'sshape_':  'shape',
+}
+
+c_source_names = {
+    'sg_':      'sokol_gfx.c',
+    'sapp_':    'sokol_app.c',
+    'sapp_sg':  'sokol_glue.c',
+    'stm_':     'sokol_time.c',
+    'saudio_':  'sokol_audio.c',
+    'sgl_':     'sokol_gl.c',
+    'sdtx_':    'sokol_debugtext.c',
+    'sshape_':  'sokol_shape.c',
+}
+
+out_lines = ''
+
+def reset_globals():
+    global out_lines
+    out_lines = ''
+
+def l(s):
+    global out_lines
+    out_lines += s + '\n'
+
+def get_odin_module_path(c_prefix):
+    return f'{module_root}/{module_names[c_prefix]}'
+
+def get_csource_path(c_prefix):
+    return f'{module_root}/c/{c_source_names[c_prefix]}'
+
+def make_odin_module_directory(c_prefix):
+    path = get_odin_module_path(c_prefix)
+    if not os.path.isdir(path):
+        os.makedirs(path)
+
+def gen_module(inp, dep_prefixes):
+    l('// machine generated, do not edit')
+    l('')
+
+def prepare():
+    print('Generating Odin bindings:')
+    if not os.path.isdir(f'{module_root}/c'):
+        os.makedirs(f'{module_root}/c')
+
+def gen(c_header_path, c_prefix, dep_c_prefixes):
+    if not c_prefix in module_names:
+        print(f'warning: skipping generation for {c_prefix} prefix...')
+        return
+    reset_globals()
+    make_odin_module_directory(c_prefix)
+    print(f'  {c_header_path} => {module_names[c_prefix]}')
+    shutil.copyfile(c_header_path, f'{module_root}/c/{os.path.basename(c_header_path)}')
+    csource_path = get_csource_path(c_prefix)
+    module_name = module_names[c_prefix]
+    ir = gen_ir.gen(c_header_path, csource_path, module_name, c_prefix, dep_c_prefixes)
+    gen_module(ir, dep_c_prefixes)
+    with open(f"{module_root}/{ir['module']}/{ir['module']}.odin", 'w', newline='\n') as f_outp:
+        f_outp.write(out_lines)
+
+
+
-- 
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