Add commands to deal with Orca source code:

- Add a vendor commands
- Add a command that helps you set up a C compiler
- Move ext into the src folder
- Update Mac build scripts for consistency
- Update Windows batch scripts

.gitignore

@@ -35,6 +35,8 @@ src/graphics/orca_gl31.h
 __pycache__
 scripts/files
 
-ext/angle
+# explicitly abandon old ext dir
+/ext
+src/ext/angle
 
 sketches/*/bin

ext/wasm3/extra/wapm-package/build/.gitignore

@@ -1,4 +0,0 @@
-# Ignore everything in this directory
-*
-# Except this file
-!.gitignore

ext/wasm3/platforms/openwrt/build/Makefile

@@ -1,15 +0,0 @@
-
-M3_SRC_DIR := ../../../source
-
-SOURCES    := ../../app/main.c \
-              $(shell find $(M3_SRC_DIR) -type f -name '*.c')
-
-override CFLAGS += -std=c99 -O3 -flto -Dd_m3HasWASI -Wno-error=format-security -Wfatal-errors -I$(M3_SRC_DIR)
-
-all: wasm3
-
-wasm3: $(SOURCES)
-	$(CC) $(CFLAGS) $(SOURCES) -o wasm3 -lm
-
-clean:
-	$(RM) wasm3

orca

@@ -41,9 +41,9 @@ if use_source:
     # Use the source checkout's scripts instead of the system-installed scripts.
 
     if not is_source:
-        print("The Orca tool is running from a local source checkout and will")
+        print("The Orca tool is running from a local source checkout and will", file=sys.stderr)
-        print("use that instead of the system Orca installation.")
+        print("use that instead of the system Orca installation.", file=sys.stderr)
-        print()
+        print(file=sys.stderr)
 
     sys.path.append(source_dir)
     import scripts.orca

samples/breakout/build.bat

@@ -1,19 +1,21 @@
 @echo off
 
+set ORCA_DIR=..\..
+set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
+
 :: compile wasm module
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
-       -fno-builtin ^
+       -mbulk-memory ^
+       -g -O2 ^
+       -D__ORCA__ ^
        -Wl,--no-entry ^
        -Wl,--export-dynamic ^
-       -g ^
+       -isystem %STDLIB_DIR%\include ^
-       -O2 ^
+       -I%ORCA_DIR%\src ^
-       -mbulk-memory ^
+       -I%ORCA_DIR%\src\ext
-       -D__ORCA__ ^
-       -isystem ..\..\src\libc-shim\include ^
-       -I..\..\ext -I ..\..\src
 
-clang %wasmFlags% -o .\module.wasm ..\..\src\orca.c ..\..\src\libc-shim\src\*.c src\main.c
+clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
 IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
 
-orca bundle --orca-dir ..\.. --name Breakout --icon icon.png --resource-dir data module.wasm
+orca bundle --orca-dir %ORCA_DIR% --name Breakout --icon icon.png --resource-dir data module.wasm

samples/breakout/build.sh

@@ -12,21 +12,19 @@ else
 fi
 
 ORCA_DIR=../..
-STDLIB_DIR=../../src/libc-shim
+STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
-  -fno-builtin \
+  -mbulk-memory \
+  -g -O2 \
+  -D__ORCA__ \
   -Wl,--no-entry \
   -Wl,--export-dynamic \
-  -g \
+  -isystem $STDLIB_DIR/include \
-  -O2 \
+  -I $ORCA_DIR/src \
-  -mbulk-memory \
+  -I $ORCA_DIR/src/ext"
-  -D__ORCA__ \
-  -I $STDLIB_DIR/include \
-  -I $ORCA_DIR/ext \
-  -I $ORCA_DIR/src"
 
-$CLANG $wasmFlags -o ./module.wasm ../../src/orca.c $STDLIB_DIR/src/*.c src/main.c
+$CLANG $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
 
-orca bundle --orca-dir ../.. --name Breakout --icon icon.png --resource-dir data module.wasm
+orca bundle --orca-dir $ORCA_DIR --name Breakout --icon icon.png --resource-dir data module.wasm

samples/clock/build.bat

@@ -1,19 +1,21 @@
 @echo off
 
+set ORCA_DIR=..\..
+set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
+
 :: compile wasm module
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
-       -fno-builtin ^
+       -mbulk-memory ^
+       -g -O2 ^
+       -D__ORCA__ ^
        -Wl,--no-entry ^
        -Wl,--export-dynamic ^
-       -g ^
+       -isystem %STDLIB_DIR%\include ^
-       -O2 ^
+       -I%ORCA_DIR%\src ^
-       -mbulk-memory ^
+       -I%ORCA_DIR%\src\ext
-       -D__ORCA__ ^
-       -isystem ..\..\src\libc-shim\include ^
-       -I..\..\ext -I ..\..\src
 
-clang %wasmFlags% -o .\module.wasm ..\..\src\orca.c ..\..\src\libc-shim\src\*.c src\main.c
+clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
 IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
 
-orca bundle --orca-dir ..\.. --name Clock --icon icon.png --resource-dir data module.wasm
+orca bundle --orca-dir %ORCA_DIR% --name Clock --icon icon.png --resource-dir data module.wasm

samples/clock/build.sh

@@ -12,21 +12,19 @@ else
 fi
 
 ORCA_DIR=../..
-STDLIB_DIR=../../src/libc-shim
+STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
-  -fno-builtin \
+  -mbulk-memory \
+  -g -O2 \
+  -D__ORCA__ \
   -Wl,--no-entry \
   -Wl,--export-dynamic \
-  -g \
+  -isystem $STDLIB_DIR/include \
-  -O2 \
+  -I $ORCA_DIR/src \
-  -mbulk-memory \
+  -I $ORCA_DIR/src/ext"
-  -D__ORCA__ \
-  -I $STDLIB_DIR/include \
-  -I $ORCA_DIR/ext \
-  -I $ORCA_DIR/src"
 
-$CLANG $wasmFlags -o ./module.wasm ../../src/orca.c $STDLIB_DIR/src/*.c src/main.c
+$CLANG $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
 
-orca bundle --orca-dir ../.. --name Clock --icon icon.png --resource-dir data module.wasm
+orca bundle --orca-dir $ORCA_DIR --name Clock --icon icon.png --resource-dir data module.wasm

samples/fluid/build.bat

@@ -1,17 +1,19 @@
 @echo off
 
+set ORCA_DIR=..\..
+set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
+
 :: compile wasm module
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
-       -fno-builtin ^
+       -mbulk-memory ^
+       -g -O2 ^
+       -D__ORCA__ ^
        -Wl,--no-entry ^
        -Wl,--export-dynamic ^
-       -g ^
+       -isystem %STDLIB_DIR%\include ^
-       -O2 ^
+       -I%ORCA_DIR%\src ^
-       -mbulk-memory ^
+       -I%ORCA_DIR%\src\ext
-       -D__ORCA__ ^
-       -isystem ..\..\src\libc-shim\include ^
-       -I..\..\ext -I ..\..\src
 
 set shaders=src/shaders/advect.glsl^
 	src/shaders/blit_div_fragment.glsl^
@@ -31,7 +33,7 @@ set shaders=src/shaders/advect.glsl^
 call python3 ../../scripts/embed_text_files.py --prefix=glsl_ --output src/glsl_shaders.h %shaders%
 IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
 
-clang %wasmFlags% -o .\module.wasm ..\..\src\orca.c ..\..\src\libc-shim\src\*.c src\main.c
+clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
 IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
 
-orca bundle --orca-dir ..\.. --icon icon.png --name Fluid module.wasm
+orca bundle --orca-dir %ORCA_DIR% --name Fluid --icon icon.png module.wasm

samples/fluid/build.sh

@@ -12,23 +12,21 @@ else
 fi
 
 ORCA_DIR=../..
-STDLIB_DIR=../../src/libc-shim
+STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
 python3 ../../scripts/embed_text_files.py --prefix=glsl_ --output src/glsl_shaders.h src/shaders/*.glsl
 
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
-  -fno-builtin \
+  -mbulk-memory \
+  -g -O2 \
+  -D__ORCA__ \
   -Wl,--no-entry \
   -Wl,--export-dynamic \
-  -g \
+  -isystem $STDLIB_DIR/include \
-  -O2 \
+  -I $ORCA_DIR/src \
-  -mbulk-memory \
+  -I $ORCA_DIR/src/ext"
-  -D__ORCA__ \
-  -I $STDLIB_DIR/include \
-  -I $ORCA_DIR/ext \
-  -I $ORCA_DIR/src"
 
-$CLANG $wasmFlags -o ./module.wasm ../../src/orca.c $STDLIB_DIR/src/*.c src/main.c
+$CLANG $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
 
-orca bundle --orca-dir ../..  --icon icon.png --name Fluid module.wasm
+orca bundle --orca-dir $ORCA_DIR --name Fluid --icon icon.png module.wasm

samples/triangle/build.bat

@@ -1,19 +1,21 @@
 @echo off
 
+set ORCA_DIR=..\..
+set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
+
 :: compile wasm module
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
-       -fno-builtin ^
+       -mbulk-memory ^
+       -g -O2 ^
+       -D__ORCA__ ^
        -Wl,--no-entry ^
        -Wl,--export-dynamic ^
-       -g ^
+       -isystem %STDLIB_DIR%\include ^
-       -O2 ^
+       -I%ORCA_DIR%\src ^
-       -mbulk-memory ^
+       -I%ORCA_DIR%\src\ext
-       -D__ORCA__ ^
-       -isystem ..\..\src\libc-shim\include ^
-       -I..\..\ext -I ..\..\src
 
-clang %wasmFlags% -o .\module.wasm ..\..\src\orca.c ..\..\src\libc-shim\src\*.c src\main.c
+clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
 IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
 
-orca bundle --orca-dir ..\.. --name Triangle module.wasm
+orca bundle --orca-dir %ORCA_DIR% --name Triangle module.wasm

samples/triangle/build.sh

@@ -12,21 +12,19 @@ else
 fi
 
 ORCA_DIR=../..
-STDLIB_DIR=../../src/libc-shim
+STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
-  -fno-builtin \
+  -mbulk-memory \
+  -g -O2 \
+  -D__ORCA__ \
   -Wl,--no-entry \
   -Wl,--export-dynamic \
-  -g \
+  -isystem $STDLIB_DIR/include \
-  -O2 \
+  -I $ORCA_DIR/src \
-  -mbulk-memory \
+  -I $ORCA_DIR/src/ext"
-  -D__ORCA__ \
-  -I $STDLIB_DIR/include \
-  -I $ORCA_DIR/ext \
-  -I $ORCA_DIR/src"
 
-$CLANG $wasmFlags -o ./module.wasm ../../src/orca.c ../../src/libc-shim/src/*.c src/main.c
+$CLANG $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
 
-orca bundle --orca-dir ../.. --name Triangle module.wasm
+orca bundle --orca-dir $ORCA_DIR --name Triangle module.wasm

samples/ui/build.bat

@@ -1,19 +1,21 @@
 @echo off
 
+set ORCA_DIR=..\..
+set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
+
 :: compile wasm module
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
-       -fno-builtin ^
+       -mbulk-memory ^
+       -g -O2 ^
+       -D__ORCA__ ^
        -Wl,--no-entry ^
        -Wl,--export-dynamic ^
-       -g ^
+       -isystem %STDLIB_DIR%\include ^
-       -O2 ^
+       -I%ORCA_DIR%\src ^
-       -mbulk-memory ^
+       -I%ORCA_DIR%\src\ext
-       -D__ORCA__ ^
-       -isystem ..\..\src\libc-shim\include ^
-       -I..\..\ext -I ..\..\src
 
-clang %wasmFlags% -o .\module.wasm ..\..\src\orca.c ..\..\src\libc-shim\src\*.c src\main.c
+clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
 IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
 
-orca bundle --orca-dir ..\.. --name UI --resource-dir data module.wasm
+orca bundle --orca-dir %ORCA_DIR% --name UI --resource-dir data module.wasm

samples/ui/build.sh

@@ -12,21 +12,19 @@ else
 fi
 
 ORCA_DIR=../..
-STDLIB_DIR=../../src/libc-shim
+STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
+  -mbulk-memory \
+  -g -O2 \
+  -D__ORCA__ \
   -Wl,--no-entry \
   -Wl,--export-dynamic \
-  -g \
+  -isystem $STDLIB_DIR/include \
-  -O2 \
+  -I $ORCA_DIR/src \
-  -mbulk-memory \
+  -I $ORCA_DIR/src/ext"
-  -D__ORCA__ \
-  -I $ORCA_DIR/ext \
-  -I $STDLIB_DIR/include \
-  -I $ORCA_DIR/ext \
-  -I $ORCA_DIR/src"
 
-$CLANG $wasmFlags -o ./module.wasm ../../src/orca.c $STDLIB_DIR/src/*.c src/main.c
+$CLANG $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
 
-orca bundle --orca-dir ../.. --name UI --resource-dir data module.wasm
+orca bundle --orca-dir $ORCA_DIR --name UI --resource-dir data module.wasm

scripts/bundle.py

@@ -70,8 +70,8 @@ def macos_make_app(args):
 	#-----------------------------------------------------------
 	orca_exe = os.path.join(args.orca_dir, 'build/bin/orca_runtime')
 	orca_lib = os.path.join(args.orca_dir, 'build/bin/liborca.dylib')
-	gles_lib = os.path.join(args.orca_dir, 'ext/angle/bin/libGLESv2.dylib')
+	gles_lib = os.path.join(args.orca_dir, 'src/ext/angle/bin/libGLESv2.dylib')
-	egl_lib = os.path.join(args.orca_dir, 'ext/angle/bin/libEGL.dylib')
+	egl_lib = os.path.join(args.orca_dir, 'src/ext/angle/bin/libEGL.dylib')
 	renderer_lib = os.path.join(args.orca_dir, 'build/bin/mtl_renderer.metallib')
 
 	shutil.copy(orca_exe, exe_dir)

scripts/checksums.json

@@ -1,10 +1,10 @@
 {
     "scripts/files/angle-windows-2019-2023-07-05.zip": "a333b5ccc8462151ee8df65c43cfacd70d9db2413f2e495da65670737b5b2d96",
     "scripts/files/angle-macos-jank-2023-07-05.zip": "c234b8db179a24757ab9f46610a032123718dd9bed967d2bf8e27d0d17eb0aff",
-    "ext/angle/bin/libEGL.dll": "b7bf51f83e88129ddc20c0c2cb904ec04c89059a30a2cd29b9b1ea11c80388fb",
+    "src/ext/angle/bin/libEGL.dll": "b7bf51f83e88129ddc20c0c2cb904ec04c89059a30a2cd29b9b1ea11c80388fb",
-    "ext/angle/lib/libEGL.dll.lib": "4cec54c534136da413dea86bd271ccb9c5ae88e40aa91d1de7a01e701be8e1d7",
+    "src/ext/angle/lib/libEGL.dll.lib": "4cec54c534136da413dea86bd271ccb9c5ae88e40aa91d1de7a01e701be8e1d7",
-    "ext/angle/bin/libGLESv2.dll": "193b53b0a16b702eaa28a73e84527acf7aecfd665e3e3f54a8d9db9ae73111e1",
+    "src/ext/angle/bin/libGLESv2.dll": "193b53b0a16b702eaa28a73e84527acf7aecfd665e3e3f54a8d9db9ae73111e1",
-    "ext/angle/lib/libGLESv2.dll.lib": "ee87aac129efe8fe871825d181b85da1b1ea6626cb48be52c2e689f2804b953f",
+    "src/ext/angle/lib/libGLESv2.dll.lib": "ee87aac129efe8fe871825d181b85da1b1ea6626cb48be52c2e689f2804b953f",
-    "ext/angle/bin/libEGL.dylib": "96baea4b1c8578d30738764784d07b509d1153df694c094faba2ee8ccbfde2a9",
+    "src/ext/angle/bin/libEGL.dylib": "96baea4b1c8578d30738764784d07b509d1153df694c094faba2ee8ccbfde2a9",
-    "ext/angle/bin/libGLESv2.dylib": "98ce9f6248a6447ba9199e96b8f6d87df9548d43ce583a2615717aab168ecb71"
+    "src/ext/angle/bin/libGLESv2.dylib": "98ce9f6248a6447ba9199e96b8f6d87df9548d43ce583a2615717aab168ecb71"
 }

scripts/dev.py

@@ -1,4 +1,3 @@
-from datetime import datetime
 import glob
 import os
 import platform
@@ -11,14 +10,15 @@ from . import checksum
 from .bindgen import bindgen
 from .gles_gen import gles_gen
 from .log import *
-from .utils import pushd, removeall
+from .utils import pushd, removeall, yeetdir, yeetfile
 from .embed_text_files import *
+from .version import check_if_source, is_orca_source, orca_version
 
 ANGLE_VERSION = "2023-07-05"
 
 
 def attach_dev_commands(subparsers):
-    dev_cmd = subparsers.add_parser("dev", help="Commands for building Orca itself. Must be run from the root of an Orca source checkout.")
+    dev_cmd = subparsers.add_parser("dev", help="Commands for building Orca itself. Must be run from within an Orca source checkout.")
     dev_cmd.set_defaults(func=orca_source_only)
 
     dev_sub = dev_cmd.add_subparsers(required=is_orca_source(), title='commands')
@@ -38,38 +38,6 @@ def attach_dev_commands(subparsers):
     uninstall_cmd.set_defaults(func=dev_shellish(uninstall))
 
 
-# Checks if the Orca tool should use a source checkout of Orca instead of a system install.
-# This is copy-pasted to the command-line tool so it can work before loading anything.
-#
-# Returns: (use source, source directory, is actually the source's tool)
-def check_if_source():
-    def path_is_in_orca_source(path):
-        dir = path
-        while True:
-            try:
-                os.stat(os.path.join(dir, ".orcaroot"))
-                return (True, dir)
-            except FileNotFoundError:
-                pass
-
-            newdir = os.path.dirname(dir)
-            if newdir == dir: # TODO: Verify on Windows (it will probably not work)
-                return (False, None)
-            dir = newdir
-
-    in_source, current_source_dir = path_is_in_orca_source(os.getcwd())
-    script_is_source, script_source_dir = path_is_in_orca_source(os.path.dirname(os.path.abspath(__file__)))
-
-    use_source = in_source or script_is_source
-    source_dir = current_source_dir or script_source_dir
-    return (use_source, source_dir, script_is_source)
-
-
-def is_orca_source():
-    use_source, _, _ = check_if_source()
-    return use_source
-
-
 def orca_source_only(args):
     print("The Orca dev commands can only be run from an Orca source checkout.")
     print()
@@ -99,10 +67,10 @@ def build_runtime(args):
 
 
 def clean(args):
-    yeet("build")
+    yeetdir("build")
-    yeet("ext/angle")
+    yeetdir("src/ext/angle")
-    yeet("scripts/files")
+    yeetdir("scripts/files")
-    yeet("scripts/__pycache__")
+    yeetdir("scripts/__pycache__")
 
 
 def build_platform_layer(target, release):
@@ -145,8 +113,8 @@ def build_platform_layer_lib_win(release):
 
     includes = [
         "/I", "src",
-        "/I", "ext",
+        "/I", "src/ext",
-        "/I", "ext/angle/include",
+        "/I", "src/ext/angle/include",
     ]
     libs = [
         "user32.lib",
@@ -161,7 +129,7 @@ def build_platform_layer_lib_win(release):
         "shlwapi.lib",
         "dxgi.lib",
         "dxguid.lib",
-        "/LIBPATH:ext/angle/lib",
+        "/LIBPATH:src/ext/angle/lib",
         "libEGL.dll.lib",
         "libGLESv2.dll.lib",
         "/DELAYLOAD:libEGL.dll",
@@ -189,7 +157,7 @@ def build_platform_layer_lib_mac(release):
     cflags = ["-std=c11"]
     debug_flags = ["-O3"] if release else ["-g", "-DOC_DEBUG", "-DOC_LOG_COMPILE_DEBUG"]
     ldflags = [f"-L{sdk_dir}/usr/lib", f"-F{sdk_dir}/System/Library/Frameworks/"]
-    includes = ["-Isrc", "-Isrc/util", "-Isrc/platform", "-Iext", "-Iext/angle/include"]
+    includes = ["-Isrc", "-Isrc/util", "-Isrc/platform", "-Isrc/ext", "-Isrc/ext/angle/include"]
 
     # compile metal shader
     subprocess.run([
@@ -228,7 +196,7 @@ def build_platform_layer_lib_mac(release):
         *ldflags, "-dylib",
         "-o", "build/bin/liborca.dylib",
         "build/orca_c.o", "build/orca_objc.o",
-        "-Lext/angle/bin", "-lc",
+        "-Lsrc/ext/angle/bin", "-lc",
         "-framework", "Carbon", "-framework", "Cocoa", "-framework", "Metal", "-framework", "QuartzCore",
         "-weak-lEGL", "-weak-lGLESv2",
     ], check=True)
@@ -271,14 +239,14 @@ def build_wasm3(release):
 
 
 def build_wasm3_lib_win(release):
-    for f in glob.iglob("./ext/wasm3/source/*.c"):
+    for f in glob.iglob("./src/ext/wasm3/source/*.c"):
         name = os.path.splitext(os.path.basename(f))[0]
         subprocess.run([
             "cl", "/nologo",
             "/Zi", "/Zc:preprocessor", "/c",
             "/O2",
             f"/Fo:build/obj/{name}.obj",
-            "/I", "./ext/wasm3/source",
+            "/I", "./src/ext/wasm3/source",
             f,
         ], check=True)
     subprocess.run([
@@ -288,7 +256,7 @@ def build_wasm3_lib_win(release):
 
 
 def build_wasm3_lib_mac(release):
-    includes = ["-Iext/wasm3/source"]
+    includes = ["-Isrc/ext/wasm3/source"]
     debug_flags = ["-g", "-O2"]
     flags = [
         *debug_flags,
@@ -297,7 +265,7 @@ def build_wasm3_lib_mac(release):
         "-Dd_m3VerboseErrorMessages",
     ]
 
-    for f in glob.iglob("ext/wasm3/source/*.c"):
+    for f in glob.iglob("src/ext/wasm3/source/*.c"):
         name = os.path.splitext(os.path.basename(f))[0] + ".o"
         subprocess.run([
             "clang", "-c", *flags, *includes,
@@ -330,9 +298,9 @@ def build_orca_win(release):
     # compile orca
     includes = [
         "/I", "src",
-        "/I", "ext",
+        "/I", "src/ext",
-        "/I", "ext/angle/include",
+        "/I", "src/ext/angle/include",
-        "/I", "ext/wasm3/source",
+        "/I", "src/ext/wasm3/source",
     ]
     libs = [
         "/LIBPATH:build/bin",
@@ -355,9 +323,9 @@ def build_orca_mac(release):
 
     includes = [
         "-Isrc",
-        "-Iext",
+        "-Isrc/ext",
-        "-Iext/angle/include",
+        "-Isrc/ext/angle/include",
-        "-Iext/wasm3/source"
+        "-Isrc/ext/wasm3/source"
     ]
     libs = ["-Lbuild/bin", "-Lbuild/lib", "-lorca", "-lwasm3"]
     debug_flags = ["-O2"] if release else ["-g", "-DOC_DEBUG -DOC_LOG_COMPILE_DEBUG"]
@@ -390,7 +358,7 @@ def build_orca_mac(release):
 
 
 def gen_all_bindings():
-    gles_gen("ext/gl.xml",
+    gles_gen("src/ext/gl.xml",
         "src/wasmbind/gles_api.json",
         "src/graphics/orca_gl31.h"
     )
@@ -459,15 +427,15 @@ def verify_angle():
     checkfiles = None
     if platform.system() == "Windows":
         checkfiles = [
-            "ext/angle/bin/libEGL.dll",
+            "src/ext/angle/bin/libEGL.dll",
-            "ext/angle/lib/libEGL.dll.lib",
+            "src/ext/angle/lib/libEGL.dll.lib",
-            "ext/angle/bin/libGLESv2.dll",
+            "src/ext/angle/bin/libGLESv2.dll",
-            "ext/angle/lib/libGLESv2.dll.lib",
+            "src/ext/angle/lib/libGLESv2.dll.lib",
         ]
     elif platform.system() == "Darwin":
         checkfiles = [
-            "ext/angle/bin/libEGL.dylib",
+            "src/ext/angle/bin/libEGL.dylib",
-            "ext/angle/bin/libGLESv2.dylib",
+            "src/ext/angle/bin/libGLESv2.dylib",
         ]
 
     if checkfiles is None:
@@ -512,11 +480,7 @@ def download_angle():
     with ZipFile(filepath, "r") as anglezip:
         anglezip.extractall(path="scripts/files")
 
-    shutil.copytree(f"scripts/files/angle/", "ext/angle", dirs_exist_ok=True)
+    shutil.copytree(f"scripts/files/angle/", "src/ext/angle", dirs_exist_ok=True)
-
-def yeet(path):
-    os.makedirs(path, exist_ok=True)
-    shutil.rmtree(path)
 
 
 def prompt(msg):
@@ -529,29 +493,40 @@ def prompt(msg):
         else:
             print("Please enter \"yes\" or \"no\" and press return.")
 
-
+def install_dir():
-def install_path():
     if platform.system() == "Windows":
-        orca_dir = os.path.join(os.getenv("LOCALAPPDATA"), "orca")
+        return os.path.join(os.getenv("LOCALAPPDATA"), "orca")
     else:
-        orca_dir = os.path.expanduser(os.path.join("~", ".orca"))
+        return os.path.expanduser(os.path.join("~", ".orca"))
-
-    bin_dir = os.path.join(orca_dir, "bin")
-
-    return (orca_dir, bin_dir)
 
 
 def install(args):
-    dest, bin_dir = install_path()
+    dest = install_dir()
+    bin_dir = os.path.join(dest, "bin")
+    src_dir = os.path.join(dest, "src")
+    version_file = os.path.join(dest, ".orcaversion")
+
+    version = orca_version()
+    existing_version = None
+    try:
+        with open(version_file, "r") as f:
+            existing_version = f.read().strip()
+    except FileNotFoundError:
+        pass
 
     if not args.no_confirm:
-        print("The Orca command-line tools will be installed to:")
+        print(f"The Orca command-line tools (version {version}) will be installed to:")
         print(dest)
         print()
+        if existing_version is not None:
+            print(f"This will overwrite version {existing_version}.")
+            print()
         if not prompt("Proceed with the installation?"):
             return
 
-    yeet(bin_dir)
+    yeetdir(bin_dir)
+    yeetdir(src_dir)
+    yeetfile(version_file)
 
     # The MS Store version of Python does some really stupid stuff with AppData:
     # https://git.handmade.network/hmn/orca/issues/32
@@ -562,14 +537,19 @@ def install(args):
     # paths we need, the following scripts work regardless of Python install.
     #
     # Also apparently you can't just do mkdir in a subprocess call here, hence the
-    # trivial batch script.
+    # trivial batch scripts.
     if platform.system() == "Windows":
         subprocess.run(["scripts\\mkdir.bat", bin_dir], check=True)
+        subprocess.run(["scripts\\mkdir.bat", src_dir], check=True)
+        subprocess.run(["scripts\\touch.bat", version_file], check=True)
 
     shutil.copytree("scripts", os.path.join(bin_dir, "sys_scripts"))
     shutil.copy("orca", bin_dir)
+    shutil.copytree("src", src_dir, dirs_exist_ok=True)
     if platform.system() == "Windows":
         shutil.copy("orca.bat", bin_dir)
+    with open(version_file, "w") as f:
+        f.write(version)
 
     print()
     if platform.system() == "Windows":
@@ -582,7 +562,7 @@ def install(args):
             print("Orca has been added to your PATH. Restart any open terminals to use it.")
         else:
             print("No worries. You can manually add Orca to your PATH in the Windows settings")
-            print("this in the Windows settings by searching for \"environment variables\".")
+            print("by searching for \"environment variables\".")
     else:
         print("The Orca tools have been installed. Make sure the Orca tools are on your PATH by")
         print("adding the following to your shell config:")

scripts/orca.py

@@ -1,15 +1,28 @@
 #!/usr/bin/env python3
 
 import argparse
+import sys
 
 from .bundle import attach_bundle_commands
+from .source import attach_source_commands
 from .dev import attach_dev_commands
+from .version import attach_version_command
 
 parser = argparse.ArgumentParser()
+parser.add_argument("-?", action="help", help=argparse.SUPPRESS)
 
-subparsers = parser.add_subparsers(required=True, title='commands')
+subparsers = parser.add_subparsers(required=True, title="commands")
 attach_bundle_commands(subparsers)
+attach_source_commands(subparsers)
 attach_dev_commands(subparsers)
+attach_version_command(subparsers)
 
-args = parser.parse_args()
+# Hack to run the actual version command if we pass -v or --version.
+# Using argparse action="version" requires us to pass a single string
+# and doesn't allow us to run our own custom version-printing function.
+argv = sys.argv[1:]
+if argv[0] in ["-v", "--version"]:
+    argv = ["version"]
+
+args = parser.parse_args(argv)
 args.func(args)

scripts/source.py

@@ -0,0 +1,189 @@
+import hashlib
+import json
+import os
+import re
+import shutil
+
+from .log import *
+from .utils import yeetdir
+from .version import src_dir, orca_version
+
+
+def attach_source_commands(subparsers):
+    source_cmd = subparsers.add_parser("source", help="Commands for helping compile the Orca source code into your project.")
+    source_sub = source_cmd.add_subparsers(title="commands")
+
+    cflags_cmd = source_sub.add_parser("cflags", help="Get help setting up a C or C++ compiler to compile the Orca source.")
+    cflags_cmd.add_argument("srcdir", nargs="?", default=src_dir(), help="the directory containing the Orca source code (defaults to system installation)")
+    cflags_cmd.set_defaults(func=shellish(cflags))
+
+    vendor_cmd = source_sub.add_parser("vendor", help="Copy the Orca source code into your project.")
+    vendor_cmd.add_argument("dir", type=str, help="the directory into which the Orca source code will be copied")
+    vendor_cmd.set_defaults(func=shellish(vendor))
+
+
+def vendor(args):
+    # Verify that we are ok to vendor into the requested dir.
+    if os.path.exists(args.dir):
+        try:
+            with open(vendor_file_path(args.dir), "r") as f:
+                vendor_info = json.load(f)
+                version = vendor_info["version"]
+            print(f"Orca version {version} is currently installed in that directory.")
+
+            if vendor_checksum(args.dir) != vendor_info["checksum"]:
+                log_error(f"The contents of your vendor directory have been modified. This command will exit to avoid overwriting any local changes. To proceed, manually delete {args.dir} and try again.")
+                exit(1)
+        except FileNotFoundError:
+            if len(os.listdir(args.dir)) > 0:
+                log_error(f"The requested directory already exists and does not appear to contain Orca source code. To avoid deleting anything important, please either provide the correct path or manually empty {args.dir} first.")
+                exit(1)
+
+    yeetdir(args.dir)
+    shutil.copytree(src_dir(), args.dir)
+    with open(vendor_file_path(args.dir), "w") as f:
+        json.dump({
+            "version": orca_version(),
+            "checksum": vendor_checksum(args.dir),
+        }, f, indent=2)
+    print(f"Version {orca_version()} of the Orca source code has been copied to {args.dir}.")
+
+
+def vendor_file_path(vendor_dir):
+    return os.path.join(vendor_dir, ".orcavendor")
+
+
+def vendor_checksum(dir):
+    return dirhash(dir, excluded_extensions=["orcavendor"])
+
+
+def cflags(args):
+    if not os.path.exists(os.path.join(args.srcdir, "orca.h")):
+        log_error(f"The provided path does not seem to contain the Orca source code: {args.srcdir}")
+        exit(1)
+    
+    def path_contains(a, b):
+        a_abs = os.path.abspath(a)
+        b_abs = os.path.abspath(b)
+        return os.path.commonpath([a_abs, b_abs]) == a_abs
+
+    def nicepath(path):
+        path_abs = os.path.abspath(path)
+        if path_contains(os.getcwd(), path_abs):
+            return os.path.relpath(path_abs)
+        else:
+            return path_abs
+    
+    include = nicepath(args.srcdir)
+    orcac = nicepath(os.path.join(args.srcdir, "orca.c"))
+    extinclude = nicepath(os.path.join(args.srcdir, "ext"))
+    sysinclude = nicepath(os.path.join(args.srcdir, "libc-shim/include"))
+    libcsource = nicepath(os.path.join(args.srcdir, "libc-shim/src/*.c"))
+
+    print("To compile Orca as part of your C or C++ project, you must:")
+    print(f"> Put the following directory on your SYSTEM include search path:")
+    print(f"  {sysinclude}")
+    print(f"> Put the following directories on your include search path:")
+    print(f"  {include}")
+    print(f"  {extinclude}")
+    print(f"> Compile the following file as a single translation unit:")
+    print(f"  {orcac}")
+    print(f"> Compile the following files as separate translation units:")
+    print(f"  {libcsource}")
+    print()
+    print("The following clang flags are also required:")
+    print("> --target=wasm32         (to compile to wasm)")
+    print("> --no-standard-libraries (to use only our libc shim)")
+    print("> -mbulk-memory           (to enable memset/memcpy intrinsics, which are required)")
+    print("> -D__ORCA__              (to signal that the Orca source code is being compiled to run on Orca itself)")
+    print("> -Wl,--no-entry         (to prevent wasm-ld from looking for a _start symbol)")
+    print("> -Wl,--export-dynamic   (to expose your module's functions to Orca)")
+    print()
+    print("And the following clang flags are recommended:")
+    print("> -g -O2                  (to compile with optimizations and debug info)")
+    print()
+    print("Complete clang example:")
+    print()
+    print(f"clang --target=wasm32 --no-standard-libraries -mbulk-memory -g -O2 -D__ORCA__ -Wl,--no-entry -Wl,--export-dynamic -isystem {sysinclude} -I {include} -I {extinclude} {orcac} {libcsource} your-main.c")
+    print()
+    if not path_contains(os.getcwd(), args.srcdir):
+        print("If these paths look crazy to you, consider vendoring the source code into your")
+        print("project using `orca source vendor`.")
+        print()
+
+
+# -----------------------------------------------------------------------------
+# Directory-hashing implementation pulled from the checksumdir package on pypi.
+# Licensed under the MIT license.
+# -----------------------------------------------------------------------------
+
+def dirhash(
+    dirname,
+    hash_func=hashlib.sha1,
+    excluded_files=None,
+    ignore_hidden=False,
+    followlinks=False,
+    excluded_extensions=None,
+    include_paths=False
+):
+    if not excluded_files:
+        excluded_files = []
+
+    if not excluded_extensions:
+        excluded_extensions = []
+
+    if not os.path.isdir(dirname):
+        raise TypeError("{} is not a directory.".format(dirname))
+
+    hashvalues = []
+    for root, dirs, files in os.walk(dirname, topdown=True, followlinks=followlinks):
+        if ignore_hidden and re.search(r"/\.", root):
+            continue
+
+        dirs.sort()
+        files.sort()
+
+        for fname in files:
+            if ignore_hidden and fname.startswith("."):
+                continue
+
+            if fname.split(".")[-1:][0] in excluded_extensions:
+                continue
+
+            if fname in excluded_files:
+                continue
+
+            hashvalues.append(_filehash(os.path.join(root, fname), hash_func))
+
+            if include_paths:
+                hasher = hash_func()
+                # get the resulting relative path into array of elements
+                path_list = os.path.relpath(os.path.join(root, fname)).split(os.sep)
+                # compute the hash on joined list, removes all os specific separators
+                hasher.update(''.join(path_list).encode('utf-8'))
+                hashvalues.append(hasher.hexdigest())
+
+    return _reduce_hash(hashvalues, hash_func)
+
+
+def _filehash(filepath, hashfunc):
+    hasher = hashfunc()
+    blocksize = 64 * 1024
+
+    if not os.path.exists(filepath):
+        return hasher.hexdigest()
+
+    with open(filepath, "rb") as fp:
+        while True:
+            data = fp.read(blocksize)
+            if not data:
+                break
+            hasher.update(data)
+    return hasher.hexdigest()
+
+
+def _reduce_hash(hashlist, hashfunc):
+    hasher = hashfunc()
+    for hashvalue in sorted(hashlist):
+        hasher.update(hashvalue.encode("utf-8"))
+    return hasher.hexdigest()

scripts/touch.bat

@@ -0,0 +1,3 @@
+@echo off
+type nul > %1
+exit /b %errorlevel%

scripts/utils.py

@@ -1,7 +1,6 @@
 import glob
 import os
-import subprocess
+import shutil
-import traceback
 
 from contextlib import contextmanager
 
@@ -18,3 +17,13 @@ def pushd(new_dir):
 def removeall(dir):
     [os.remove(f) for f in glob.iglob("{}/*".format(dir), recursive=True)]
     os.removedirs(dir)
+
+
+def yeetdir(path):
+    os.makedirs(path, exist_ok=True)
+    shutil.rmtree(path)
+
+
+def yeetfile(path):
+    if os.path.exists(path):
+        os.remove(path)

scripts/version.py

@@ -0,0 +1,95 @@
+import os
+import subprocess
+import sys
+
+from .log import *
+from .utils import pushd
+
+
+# Checks if the Orca tool should use a source checkout of Orca instead of a system install.
+# This is copy-pasted to the command-line tool so it can work before loading anything.
+#
+# Returns: (use source, source directory, is actually the source's tool)
+def check_if_source():
+    def path_is_in_orca_source(path):
+        dir = path
+        while True:
+            try:
+                os.stat(os.path.join(dir, ".orcaroot"))
+                return (True, dir)
+            except FileNotFoundError:
+                pass
+
+            newdir = os.path.dirname(dir)
+            if newdir == dir:
+                return (False, None)
+            dir = newdir
+
+    in_source, current_source_dir = path_is_in_orca_source(os.getcwd())
+    script_is_source, script_source_dir = path_is_in_orca_source(os.path.dirname(os.path.abspath(__file__)))
+
+    use_source = in_source or script_is_source
+    source_dir = current_source_dir or script_source_dir
+    return (use_source, source_dir, script_is_source)
+
+
+def is_orca_source():
+    use_source, _, _ = check_if_source()
+    return use_source
+
+
+def actual_install_dir():
+    # The path adjustment in here is technically sort of fragile because it depends
+    # on the current location of this actual file. But oh well.
+    if is_orca_source():
+        raise Exception("actual_install_dir should not be called when using the source version of the Orca tools")
+    return os.path.normpath(os.path.join(os.path.abspath(__file__), "../../.."))
+
+
+def src_dir():
+    # More fragile path adjustments! Yay!
+    if is_orca_source():
+        return os.path.normpath(os.path.join(os.path.abspath(__file__), "../../src"))
+    else:
+        return os.path.normpath(os.path.join(os.path.abspath(__file__), "../../../src"))
+
+
+def orca_version():
+    is_source, source_dir, _ = check_if_source()
+    if is_source:
+        with pushd(source_dir):
+            version = "unknown"
+            if os.path.exists(".git"):
+                try:
+                    res = subprocess.run(["git", "rev-parse", "--short", "HEAD"], check=True, capture_output=True, text=True)
+                    version = res.stdout.strip()
+                except subprocess.CalledProcessError:
+                    log_warning("failed to look up current git hash for version number")
+            return f"dev-{version}"
+    else:
+        try:
+            with open(os.path.join(actual_install_dir(), ".orcaversion"), "r") as f:
+                version = f.read().strip()
+                return version
+        except FileNotFoundError:
+            return "dev-unknown"
+
+
+def attach_version_command(subparsers):
+    version_cmd = subparsers.add_parser("version", help="Print the current Orca version.")
+    version_cmd.set_defaults(func=print_orca_version)
+
+
+def print_orca_version(args):
+    use_source, source_dir, _ = check_if_source()
+
+    # This function prints the bare version number to stdout and everything else
+    # to stderr. This makes it easy to use the version number in shell pipelines
+    # without requiring extra flags or parsing a weird output format.
+    sys.stdout.write(orca_version() + "\n")
+    if use_source:
+        sys.stderr.write(f"Orca is running from a source checkout.\n")
+        sys.stderr.write(f"Source dir: {source_dir}\n")
+    else:
+        sys.stderr.write(f"Orca is running from a system installation.\n")
+        sys.stderr.write(f"Install dir: {actual_install_dir()}\n")