Add Mac implementation of oc_run_cmd

so much easier than windows, oh my goodness

.clang-format

@@ -24,8 +24,8 @@ BraceWrapping:
   AfterEnum: true
   AfterFunction: true
   AfterNamespace: true
-  AfterStruct: true
   AfterObjCDeclaration: true
+  AfterStruct: true
   AfterUnion: true
   BeforeCatch: true
   BeforeElse: true

.gitignore

@@ -14,7 +14,6 @@ build
 *.wasm
 *.app
 *.dylib
-*.a
 
 Debug/*
 
@@ -34,6 +33,7 @@ src/graphics/orca_gl31.h
 .vscode/settings.json
 
 __pycache__
+/.cache
 scripts/files
 
 # explicitly abandon old ext dir

FUNDING.yml

@@ -1,2 +0,0 @@
-github: orca-app
-custom: "https://orca-app.dev/sponsor.html"

LICENSE.txt

@@ -1,207 +1,678 @@
-                                    Orca
+Orca
 
-Copyright (C) 2023 Martin Fouilleul
+Copyright (C) 2023 Martin Fouilleul and the Orca project contributors
 
-Orca is distributed under the MIT license or the Apache License version 2.0,
-at your option.
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation version 3, with additional
+terms under section 7 of the GNU Affero General Public License version
+3, as published at the end of this document.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
 
 -------------------------------------------------------------------------------
-
-                                MIT License
-
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-
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-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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-
+                               AGPLv3 LICENSE
 -------------------------------------------------------------------------------
 
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+
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+
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+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
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+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+--------------------------------------------------------------------------------
+                          ADDITIONAL TERMS
+--------------------------------------------------------------------------------
+
+1. Pursuant to section 7(b) of the AGPLv3, we require the preservation of the legal
+notices, copyright notices and author attributions in the program and in its
+documentation and in the Appropriate Legal Notices displayed by works containing
+it.
+
+2. Pursuant to Section 7(c) of the AGPLv3, we require that modified versions of the
+material should be marked in a reasonable way as different from the official
+version.
+
+Any modified material being redistributed must include a prominent and conveniently
+accessible feature for the display of a Modified Material Notice including the statement
+"This program is using a modified version of the Orca Runtime version VERSION_NUMBER
+released on RELEASE_DATE.
+
+The string VERSION_NUMBER should be replaced with the exact version number of
+the Program on which the modified material is based.
+The string RELEASE_DATE should be replaced with the full date of the release of
+the version VERSION_NUMBER of the Program on which the
+modified material is based.
+
+The Modified Material Notice must be clearly visible with size of the fonts
+and icons proportionate to the user interface being used.
+
+The Modified Material Notice must be in the same language of the user interface.
+
+3. Additional permission for WebAssembly modules used by the Program.
+The Program works by loading and running WebAssembly modules written by third parties.
+To make this work, portions of the Program must be compiled into these WebAssembly modules,
+making them covered work under the terms of this license.
+
+As an additional permission, WebAssembly modules including unmodified portions of
+the Program to the sole purpose of being bundled with and run by an unmodified version
+of the Program can be distributed under the terms of their author's choice, without being
+bound by the requirements of this license. This permission does not extend to modifications
+of the Program itself or its development libraries.

Readme.md

@@ -1,2 +1,146 @@
-**This repository is not used anymore. Development of Orca was moved here: [https://github.com/orca-app/orca](https://github.com/orca-app/orca)**
+------
+**DISCLAIMER: This project is very much a Work In Progress. We are making it accessible in this very early state so that participants in the [2023 Wheel Reinvention Jam](https://handmade.network/jam/2023) can try it out and possibly use it as their jamming platform. Expect bugs, missing and/or incomplete features, unstable APIs, and sparse documentation. Some current issues might be a show stopper for you, so make sure you can build and run the sample apps before jumping in.**
 
+**If you do choose to try out Orca anyway, thank you! We'll do our best to answer your questions, and we'd really appreciate your feedback!**
+
+------
+
+# Orca
+
+![Example Orca apps](doc/images/orca-apps-lg.webp)
+
+Orca is a development platform and runtime environment for cross-platform, sandboxed graphical WebAssembly applications. In this early MVP you can:
+
+- Receive mouse and keyboard input.
+- Draw paths, images and text using a 2D vector graphics API.
+- Draw 2D/3D graphics using OpenGL ES 3.1 (minus a few features)
+- Build user interfaces using our UI API and default widgets.
+- Read and write files using a capability-based API.
+
+To learn more about the project and its goals, read the [announcement post](https://orca-app.dev/posts/230607/orca_announcement.html).
+
+## Installing
+
+The Orca command-line tools must be installed to your system in order to use them in your own projects.
+
+**At this early stage, you must build Orca yourself - in the future, there will be fewer dependencies and this installation process will be streamlined.**
+
+### Requirements
+
+- Windows or Mac (Linux is not yet supported)
+- [Python 3.8](https://www.python.org/) or newer (for command line tools)
+- Clang (version 11.0 or newer)
+	- **Windows users:** `clang` can be installed via the Visual Studio installer. Search for "C++ Clang Compiler".
+	- **Mac users:** Apple's built-in `clang` does not support WebAssembly. We recommend installing `clang` via [Homebrew](https://brew.sh/) with `brew install llvm`.
+- MSVC (Visual Studio 2022 17.5 or newer) (Windows only)
+	- This can be installed through the [Visual Studio Community](https://visualstudio.microsoft.com/) installer. Ensure that your Visual Studio installation includes "Desktop development with C++".
+	- Please note the version requirement! Orca requires C11 atomics, which were only added to MSVC in late 2022.
+- Xcode command-line tools (Mac only)
+	- These can be installed with `xcode-select --install`.
+
+### Installation instructions
+
+**Windows users:** You must perform all the following actions from a 64-bit Visual Studio command prompt. We recommend searching for "x64 Native Tools Command Prompt".
+
+Clone the repo, then `cd` into the `orca` directory:
+
+```
+git clone https://git.handmade.network/hmn/orca.git
+cd orca
+```
+
+Build the Orca runtime:
+
+```
+python orca dev build-runtime
+```
+
+Install the Orca dev tools. If on Windows, the tool can automatically add `orca` to your PATH. Otherwise, you must manually add the Orca install directory to your PATH, e.g. by updating `.zshrc` or `.bashrc`.
+
+```
+python orca dev install
+```
+
+Finally, verify that Orca is successfully installed by running the `orca version` command. Note the lack of `./`!
+
+```
+orca version
+```
+
+If you encounter any errors, see the FAQ below.
+
+Once the `orca` tools are installed and on your PATH, you can use them from anywhere.
+
+### Building the sample Orca apps
+
+The `samples` directory contains several sample apps that demonstrate various Orca features. To build one, `cd` to a sample project's directory and run its build script. For example, for the `breakout` sample:
+
+```
+cd samples/breakout
+# Windows
+build.bat
+# Mac
+./build.sh
+```
+
+On Windows this creates a `Breakout` directory in `samples/breakout`. You can launch the app by running `Breakout/bin/Breakout.exe`. On macOS this creates a `Breakout.app` bundle in `samples/breakout` that you can double-click to run.
+
+## Writing an Orca app
+
+Orca apps are WebAssembly modules that use the Orca APIs. The process for creating an Orca application is:
+
+1. Compile a WebAssembly module using your language and toolchain of choice.
+2. Bundle the WebAssembly module into a native executable using the Orca command-line tools.
+
+For a more thorough overview, please read the [Quick Start Guide](./doc/QuickStart.md), which will walk you through building a simple application.
+
+The following additional resources may also help you familiarize yourself with Orca and its APIs:
+
+- The [samples folder](./samples) contains sample applications that show various aspects of the Orca API and core library:
+	- [`breakout`](./samples/breakout) is a small breakout game making use of the vector graphics API.
+	- [`clock`](./samples/clock) is a simple clock showcasing vector graphics and the time API.
+	- [`triangle`](./samples/triangle) shows how to draw a spinning triangle using the GLES API.
+	- [`fluid`](./samples/fluid) is a fluid simulation using a more complex GLES setup.
+	- [`ui`](./samples/ui) showcases the UI API and Orca's default UI widgets.  
+- The [API Cheatsheets](./doc/cheatsheets) provide a list of Orca API functions, grouped by topic.
+
+## FAQ
+
+**What platforms does Orca support?**
+
+We currently support Windows 10 and up, and macOS 10.15 and up. We plan to expand to more platforms in the future.
+
+**What languages can I use with Orca?**
+
+In principle, you can use any language and toolchain that can produce a WebAssembly module and bind to the Orca APIs. However, several important parts of Orca, such as the UI, are provided as part of the core library, which must be compiled to WebAssembly with your app, and is written in C. Therefore, at this early stage, it may be difficult to use any language other than C.
+
+C-style C++ is possible but requires compiling the core library in C as a separate object file, and then adding that object to your compile command when building your app.
+
+We're currently working with contributors to add support for Odin and Zig, and we look forward to expanding the number of officially-supported languages in the future. 
+
+**Which WebAssembly features does Orca support?**
+
+We currently use [wasm3](https://github.com/wasm3/wasm3) for our interpreter. We therefore support whatever features wasm3 supports. In practice this means all WebAssembly 1.0 features, bulk memory operations, and a couple other small features.
+
+**I am getting "unsupported OS" errors when building on Windows.**
+
+You are likely running from the wrong kind of Visual Studio command prompt. Search for "x64 Native Tools Command Prompt" or run `vcvarsall.bat` with `x64` for the architecture.
+
+To verify that you are in the correct type of command prompt, simply run `cl` with no arguments, and verify that you are building for x64.
+
+**I am getting errors about atomics when building the runtime on Windows.**
+
+Please ensure that you have the latest version of Visual Studio and MSVC installed. The Orca runtime requires the use of C11 atomics, which were not added to MSVC until late 2022.
+
+**I am getting errors saying that `orca` is not found.**
+
+Please ensure that you have installed Orca to your system per the installation instructions above. Please also ensure that the Orca install directory is on your PATH. The installation path is printed when running `./orca dev install`.
+
+## License
+
+Orca is distributed under the terms of the GNU Affero General Public License version 3, with additional terms in accordance with section 7 of AGPLv3. These additional terms ensure that:
+
+- Modified versions of Orca must reasonably inform users that they are modified.
+- You can distribute your application's WebAssembly modules under the terms of your choice, and are not required to license them under the terms of the AGPLv3.
+
+Copyright and License details can be found in [LICENSE.txt](./LICENSE.txt)

samples/breakout/build.bat

@@ -15,11 +15,11 @@ if exist "..\..\scripts\sample_build_check.py" (
 set ORCA_DIR=..\..
 set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
 
-:: common flags to build wasm modules
+:: compile wasm module
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
        -mbulk-memory ^
-       -g -O2 ^
+       -g ^
        -D__ORCA__ ^
        -Wl,--no-entry ^
        -Wl,--export-dynamic ^
@@ -27,13 +27,7 @@ set wasmFlags=--target=wasm32^
        -I%ORCA_DIR%\src ^
        -I%ORCA_DIR%\src\ext
 
-:: build orca core as wasm module
-clang %wasmFlags% -Wl,--relocatable -o .\liborca.a %ORCA_DIR%\src\orca.c %ORCA_DIR%\src\libc-shim\src\*.c
-IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
+clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
+if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
 
-:: build sample as wasm module and link it with the orca module
-clang %wasmFlags% -L . -lorca -o module.wasm src/main.c
-IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
-
-:: create app directory and copy files into it
 orca bundle --orca-dir %ORCA_DIR% --name Breakout --icon icon.png --resource-dir data module.wasm

samples/breakout/build.sh

@@ -15,7 +15,6 @@ fi
 ORCA_DIR=../..
 STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
-# common flags to build wasm modules
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
   -mbulk-memory \
@@ -27,11 +26,6 @@ wasmFlags="--target=wasm32 \
   -I $ORCA_DIR/src \
   -I $ORCA_DIR/src/ext"
 
-# build orca core as wasm module
-clang $wasmFlags -Wl,--relocatable -o ./liborca.a $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c
+clang $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
 
-# build sample as wasm module and link it with the orca module
-clang $wasmFlags -L . -lorca -o module.wasm src/main.c
-
-# create app directory and copy files into it
 orca bundle --orca-dir $ORCA_DIR --name Breakout --icon icon.png --resource-dir data module.wasm

samples/clock/build.bat

@@ -15,7 +15,7 @@ if exist "..\..\scripts\sample_build_check.py" (
 set ORCA_DIR=..\..
 set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
 
-:: common flags to build wasm modules
+:: compile wasm module
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
        -mbulk-memory ^
@@ -27,13 +27,7 @@ set wasmFlags=--target=wasm32^
        -I%ORCA_DIR%\src ^
        -I%ORCA_DIR%\src\ext
 
-:: build orca core as wasm module
-clang %wasmFlags% -Wl,--relocatable -o .\liborca.a %ORCA_DIR%\src\orca.c %ORCA_DIR%\src\libc-shim\src\*.c
-IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
+clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
+if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
 
-:: build sample as wasm module and link it with the orca module
-clang %wasmFlags% -L . -lorca -o module.wasm src/main.c
-IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
-
-:: create app directory and copy files into it
 orca bundle --orca-dir %ORCA_DIR% --name Clock --icon icon.png --resource-dir data module.wasm

samples/clock/build.sh

@@ -15,7 +15,6 @@ fi
 ORCA_DIR=../..
 STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
-# common flags to build wasm modules
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
   -mbulk-memory \
@@ -27,11 +26,6 @@ wasmFlags="--target=wasm32 \
   -I $ORCA_DIR/src \
   -I $ORCA_DIR/src/ext"
 
-# build orca core as wasm module
-clang $wasmFlags -Wl,--relocatable -o ./liborca.a $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c
+clang $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
 
-# build sample as wasm module and link it with the orca module
-clang $wasmFlags -L . -lorca -o module.wasm src/main.c
-
-# create app directory and copy files into it
 orca bundle --orca-dir $ORCA_DIR --name Clock --icon icon.png --resource-dir data module.wasm

samples/fluid/build.bat

@@ -15,7 +15,7 @@ if exist "..\..\scripts\sample_build_check.py" (
 set ORCA_DIR=..\..
 set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
 
-:: common flags to build wasm modules
+:: compile wasm module
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
        -mbulk-memory ^
@@ -27,10 +27,6 @@ set wasmFlags=--target=wasm32^
        -I%ORCA_DIR%\src ^
        -I%ORCA_DIR%\src\ext
 
-:: build orca core as wasm module
-clang %wasmFlags% -Wl,--relocatable -o .\liborca.a %ORCA_DIR%\src\orca.c %ORCA_DIR%\src\libc-shim\src\*.c
-IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
-
 set shaders=src/shaders/advect.glsl^
 	src/shaders/blit_div_fragment.glsl^
 	src/shaders/blit_div_vertex.glsl^
@@ -49,9 +45,7 @@ set shaders=src/shaders/advect.glsl^
 call python ../../scripts/embed_text_files.py --prefix=glsl_ --output src/glsl_shaders.h %shaders%
 if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
 
-:: build sample as wasm module and link it with the orca module
-clang %wasmFlags% -L . -lorca -o .\module.wasm src\main.c
-IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
+clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
+if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
 
-:: create app directory and copy files into it
 orca bundle --orca-dir %ORCA_DIR% --name Fluid --icon icon.png module.wasm

samples/fluid/build.sh

@@ -17,7 +17,6 @@ STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
 python3 ../../scripts/embed_text_files.py --prefix=glsl_ --output src/glsl_shaders.h src/shaders/*.glsl
 
-# common flags to build wasm modules
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
   -mbulk-memory \
@@ -29,11 +28,6 @@ wasmFlags="--target=wasm32 \
   -I $ORCA_DIR/src \
   -I $ORCA_DIR/src/ext"
 
-# build orca core as wasm module
-clang $wasmFlags -Wl,--relocatable -o ./liborca.a $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c
+clang $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
 
-# build sample as wasm module and link it with the orca module
-clang $wasmFlags -L . -lorca -o module.wasm src/main.c
-
-# create app directory and copy files into it
 orca bundle --orca-dir $ORCA_DIR --name Fluid --icon icon.png module.wasm

samples/fluid/src/main.c

@@ -140,7 +140,6 @@ frame_buffer divBuffer[4];
 GLuint vertexBuffer;
 
 oc_surface surface;
-f64 startTime;
 
 //----------------------------------------------------------------
 //NOTE(martin): initialization
@@ -404,7 +403,6 @@ typedef struct mouse_input
 } mouse_input;
 
 mouse_input mouseInput = { 0 };
-bool mouseWasDown = false;
 
 int frameWidth = 800;
 int frameHeight = 600;
@@ -412,7 +410,6 @@ int frameHeight = 600;
 ORCA_EXPORT void oc_on_mouse_down(int button)
 {
     mouseInput.down = true;
-    mouseWasDown = true;
 }
 
 ORCA_EXPORT void oc_on_mouse_up(int button)
@@ -580,56 +577,23 @@ void multigrid_clear(frame_buffer* error)
 
 void input_splat(float t)
 {
-    bool applySplat = false;
-    float x, y, deltaX, deltaY;
-    static f64 lastFrameTime = 0;
-    if (lastFrameTime == 0)
-    {
-        lastFrameTime = startTime;
-    }
-    f64 now = oc_clock_time(OC_CLOCK_MONOTONIC);
-    float frameDuration = now - lastFrameTime;
-    lastFrameTime = now;
-
-    if (mouseInput.down && (mouseInput.deltaX || mouseInput.deltaY))
+    //NOTE: apply force and dye
+    if(mouseInput.down && (mouseInput.deltaX || mouseInput.deltaY))
     {
         oc_vec2 scaling = oc_surface_contents_scaling(surface);
-        applySplat = true;
-        x = mouseInput.x * scaling.x / frameWidth;
-        y = mouseInput.y * scaling.y / frameHeight;
-        deltaX = 1. / 60 / frameDuration * mouseInput.deltaX * scaling.x / frameWidth;
-        deltaY = 1. / 60 / frameDuration * mouseInput.deltaY * scaling.y / frameHeight;
-        mouseInput.deltaX = 0;
-        mouseInput.deltaY = 0;
-    }
-
-    f64 timeSinceStart = now - startTime;
-    if (!mouseWasDown && timeSinceStart < 1)
-    {
-        applySplat = true;
-        float totalDeltaX = 0.5;
-        x = 0.1 + totalDeltaX * timeSinceStart;
-        y = 0.5;
-        deltaX = totalDeltaX / 180;
-        deltaY = 0;
-    }
-
-    //NOTE: apply force and dye
-    if(applySplat)
-    {
         // account for margin
         float margin = 32;
 
         float offset = margin / texWidth;
         float ratio = 1 - 2 * margin / texWidth;
 
-        float splatPosX = x * ratio + offset;
-        float splatPosY = (1 - y) * ratio + offset;
+        float splatPosX = (mouseInput.x * scaling.x / frameWidth) * ratio + offset;
+        float splatPosY = (1 - mouseInput.y * scaling.y / frameHeight) * ratio + offset;
 
-        float splatVelX = (10000. * DELTA * deltaX) * ratio;
-        float splatVelY = (-10000. * DELTA * deltaY) * ratio;
+        float splatVelX = (10000. * DELTA * mouseInput.deltaX * scaling.x / frameWidth) * ratio;
+        float splatVelY = (-10000. * DELTA * mouseInput.deltaY * scaling.y / frameWidth) * ratio;
 
-        float intensity = 100 * sqrtf(square(ratio * deltaX) + square(ratio * deltaY));
+        float intensity = 100 * sqrtf(square(ratio * mouseInput.deltaX * scaling.x / frameWidth) + square(ratio * mouseInput.deltaY * scaling.y / frameHeight));
 
         float r = intensity * (sinf(2 * M_PI * 0.1 * t) + 1);
         float g = 0.5 * intensity * (cosf(2 * M_PI * 0.1 / M_E * t + 654) + 1);
@@ -638,6 +602,9 @@ void input_splat(float t)
         float radius = 0.005;
 
         apply_splat(splatPosX, splatPosY, radius, splatVelX, splatVelY, r, g, b, false);
+
+        mouseInput.deltaX = 0;
+        mouseInput.deltaY = 0;
     }
 }
 
@@ -710,8 +677,6 @@ ORCA_EXPORT void oc_on_init()
             testDiv[i][j][0] = 0.5 + 0.5 * cosf(j / 100. * 3.14159 + i / 100. * 1.2139);
         }
     }
-
-    startTime = oc_clock_time(OC_CLOCK_MONOTONIC);
 }
 
 ORCA_EXPORT void oc_on_resize(u32 width, u32 height)

samples/triangle/build.bat

@@ -15,7 +15,7 @@ if exist "..\..\scripts\sample_build_check.py" (
 set ORCA_DIR=..\..
 set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
 
-:: common flags to build wasm modules
+:: compile wasm module
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
        -mbulk-memory ^
@@ -27,13 +27,7 @@ set wasmFlags=--target=wasm32^
        -I%ORCA_DIR%\src ^
        -I%ORCA_DIR%\src\ext
 
-:: build orca core as wasm module
-clang %wasmFlags% -Wl,--relocatable -o .\liborca.a %ORCA_DIR%\src\orca.c %ORCA_DIR%\src\libc-shim\src\*.c
-IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
+clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
+if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
 
-:: build sample as wasm module and link it with the orca module
-clang %wasmFlags% -L . -lorca -o module.wasm src/main.c
-IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
-
-:: create app directory and copy files into it
-orca bundle --orca-dir %ORCA_DIR% --name Triangle --icon icon.png module.wasm
+orca bundle --orca-dir %ORCA_DIR% --name Triangle module.wasm

samples/triangle/build.sh

@@ -15,7 +15,6 @@ fi
 ORCA_DIR=../..
 STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
-# common flags to build wasm modules
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
   -mbulk-memory \
@@ -27,11 +26,6 @@ wasmFlags="--target=wasm32 \
   -I $ORCA_DIR/src \
   -I $ORCA_DIR/src/ext"
 
-# build orca core as wasm module
-clang $wasmFlags -Wl,--relocatable -o ./liborca.a $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c
+clang $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
 
-# build sample as wasm module and link it with the orca module
-clang $wasmFlags -L . -lorca -o module.wasm src/main.c
-
-# create app directory and copy files into it
 orca bundle --orca-dir $ORCA_DIR --name Triangle module.wasm

samples/ui/build.bat

@@ -15,7 +15,7 @@ if exist "..\..\scripts\sample_build_check.py" (
 set ORCA_DIR=..\..
 set STDLIB_DIR=%ORCA_DIR%\src\libc-shim
 
-:: common flags to build wasm modules
+:: compile wasm module
 set wasmFlags=--target=wasm32^
        --no-standard-libraries ^
        -mbulk-memory ^
@@ -27,13 +27,7 @@ set wasmFlags=--target=wasm32^
        -I%ORCA_DIR%\src ^
        -I%ORCA_DIR%\src\ext
 
-:: build orca core as wasm module
-clang %wasmFlags% -Wl,--relocatable -o .\liborca.a %ORCA_DIR%\src\orca.c %ORCA_DIR%\src\libc-shim\src\*.c
-IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
+clang %wasmFlags% -o .\module.wasm %ORCA_DIR%\src\orca.c %STDLIB_DIR%\src\*.c src\main.c
+if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
 
-:: build sample as wasm module and link it with the orca module
-clang %wasmFlags% -L . -lorca -o .\module.wasm src\main.c
-IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL%
-
-:: create app directory and copy files into it
 orca bundle --orca-dir %ORCA_DIR% --name UI --resource-dir data module.wasm

samples/ui/build.sh

@@ -15,7 +15,6 @@ fi
 ORCA_DIR=../..
 STDLIB_DIR=$ORCA_DIR/src/libc-shim
 
-# common flags to build wasm modules
 wasmFlags="--target=wasm32 \
   --no-standard-libraries \
   -mbulk-memory \
@@ -27,11 +26,6 @@ wasmFlags="--target=wasm32 \
   -I $ORCA_DIR/src \
   -I $ORCA_DIR/src/ext"
 
-# build orca core as wasm module
-clang $wasmFlags -Wl,--relocatable -o ./liborca.a $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c
+clang $wasmFlags -o ./module.wasm $ORCA_DIR/src/orca.c $STDLIB_DIR/src/*.c src/main.c
 
-# build sample as wasm module and link it with the orca module
-clang $wasmFlags -L . -lorca -o module.wasm src/main.c
-
-# create app directory and copy files into it
 orca bundle --orca-dir $ORCA_DIR --name UI --resource-dir data module.wasm

scripts/bindgen.py

@@ -61,8 +61,6 @@ def bindgen(apiName, spec, **kwargs):
 				s += decl['ret']['name'] + '* __retArg'
 				if len(decl['args']) > 0:
 					s += ', '
-            elif len(decl['args']) == 0:
-                s += 'void'
 
 			for i, arg in enumerate(decl['args']):
 				s += arg['type']['name']
@@ -75,10 +73,6 @@ def bindgen(apiName, spec, **kwargs):
 
 			# forward function to pointer arg stub declaration
 			s += decl['ret']['name'] + ' ' + name + '('
-
-            if len(decl['args']) == 0:
-                s += 'void'
-
 			for i, arg in enumerate(decl['args']):
 				s += arg['type']['name'] + ' ' + arg['name']
 				if i+1 < len(decl['args']):

scripts/bundle.py

@@ -7,6 +7,7 @@ import subprocess
 from argparse import ArgumentParser
 
 from .log import *
+from .version import install_dir
 
 
 def attach_bundle_commands(subparsers):

scripts/compile_commands.template.json

@@ -0,0 +1,74 @@
+[
+    {
+        "directory": "{{ORCAROOT}}",
+        "file": "src/orca.c",
+        "arguments": [
+            "src/orca.c",
+            "-g",
+            "-D",
+            "OC_DEBUG",
+            "-D",
+            "OC_LOG_COMPILE_DEBUG",
+            "-c",
+            "-std=c11",
+            "-I",
+            "src",
+            "-I",
+            "src/util",
+            "-I",
+            "src/platform",
+            "-I",
+            "src/ext",
+            "-I",
+            "src/ext/angle/include"
+        ]
+    },
+    {
+        "directory": "{{ORCAROOT}}",
+        "file": "src/orca.m",
+        "arguments": [
+            "-xobjective-c",
+            "src/orca.m",
+            "-g",
+            "-D",
+            "OC_DEBUG",
+            "-D",
+            "OC_LOG_COMPILE_DEBUG",
+            "-c",
+            "-I",
+            "src",
+            "-I",
+            "src/util",
+            "-I",
+            "src/platform",
+            "-I",
+            "src/ext",
+            "-I",
+            "src/ext/angle/include"
+        ]
+    },
+    {
+        "directory": "{{ORCAROOT}}",
+        "file": "src/runtime.c",
+        "arguments": [
+            "src/runtime.c",
+            "-g",
+            "-D",
+            "OC_DEBUG",
+            "-D",
+            "OC_LOG_COMPILE_DEBUG",
+            "-I",
+            "src",
+            "-I",
+            "src/ext",
+            "-I",
+            "src/ext/angle/include",
+            "-I",
+            "src/ext/wasm3/source",
+            "-Lbuild/bin",
+            "-Lbuild/lib",
+            "-lorca",
+            "-lwasm3"
+        ]
+    }
+]

scripts/dev.py

@@ -1,7 +1,7 @@
 import glob
+import json
 import os
 import platform
-import re
 import urllib.request
 import shutil
 import subprocess
@@ -63,6 +63,8 @@ def build_runtime(args):
     ensure_programs()
     ensure_angle()
 
+    plonk_compile_commands()
+
     build_platform_layer("lib", args.release)
     build_wasm3(args.release)
     build_orca(args.release)
@@ -90,6 +92,14 @@ def clean(args):
     yeetdir("scripts/__pycache__")
 
 
+def plonk_compile_commands():
+    os.makedirs("build", exist_ok=True)
+    with open("scripts/compile_commands.template.json") as infile:
+        out = infile.read().replace(r'"{{ORCAROOT}}"', json.dumps(os.getcwd()))
+        with open("build/compile_commands.json", "w") as outfile:
+            outfile.write(out)
+
+
 def build_platform_layer(target, release):
     print("Building Orca platform layer...")
 
@@ -344,7 +354,7 @@ def build_orca_mac(release):
         "-Isrc/ext/wasm3/source"
     ]
     libs = ["-Lbuild/bin", "-Lbuild/lib", "-lorca", "-lwasm3"]
-    debug_flags = ["-O2"] if release else ["-g", "-DOC_DEBUG -DOC_LOG_COMPILE_DEBUG"]
+    debug_flags = ["-O2"] if release else ["-g", "-DOC_DEBUG", "-DOC_LOG_COMPILE_DEBUG"]
     flags = [
         *debug_flags,
         "-mmacos-version-min=10.15.4"]
@@ -376,22 +386,18 @@ def gen_all_bindings():
         "src/wasmbind/gles_api.json",
         "src/graphics/orca_gl31.h"
     )
-
     bindgen("gles", "src/wasmbind/gles_api.json",
         wasm3_bindings="src/wasmbind/gles_api_bind_gen.c",
     )
-
     bindgen("core", "src/wasmbind/core_api.json",
         guest_stubs="src/wasmbind/core_api_stubs.c",
         wasm3_bindings="src/wasmbind/core_api_bind_gen.c",
     )
-
     bindgen("surface", "src/wasmbind/surface_api.json",
         guest_stubs="src/graphics/orca_surface_stubs.c",
         guest_include="graphics/graphics.h",
         wasm3_bindings="src/wasmbind/surface_api_bind_gen.c",
     )
-
     bindgen("clock", "src/wasmbind/clock_api.json",
         guest_include="platform/platform_clock.h",
         wasm3_bindings="src/wasmbind/clock_api_bind_gen.c",
@@ -400,6 +406,10 @@ def gen_all_bindings():
         guest_stubs="src/platform/orca_io_stubs.c",
         wasm3_bindings="src/wasmbind/io_api_bind_gen.c",
     )
+    bindgen("subprocess", "src/wasmbind/subprocess_api.json",
+        guest_stubs="src/wasmbind/subprocess_api_stubs.c",
+        wasm3_bindings="src/wasmbind/subprocess_api_bind_gen.c",
+    )
 
 
 def ensure_programs():
@@ -565,6 +575,8 @@ def install(args):
     dest = install_dir()
     bin_dir = os.path.join(dest, "bin")
     src_dir = os.path.join(dest, "src")
+    runtime_dir = os.path.join(dest, "build", "bin")
+    resources_dir = os.path.join(dest, "resources")
     version_file = os.path.join(dest, ".orcaversion")
 
     version = orca_version()
@@ -587,6 +599,8 @@ def install(args):
 
     yeetdir(bin_dir)
     yeetdir(src_dir)
+    yeetdir(runtime_dir)
+    yeetdir(resources_dir)
     yeetfile(version_file)
 
     # The MS Store version of Python does some really stupid stuff with AppData:
@@ -607,6 +621,8 @@ def install(args):
     shutil.copytree("scripts", os.path.join(bin_dir, "sys_scripts"))
     shutil.copy("orca", bin_dir)
     shutil.copytree("src", src_dir, dirs_exist_ok=True)
+    shutil.copytree(os.path.join("build", "bin"), runtime_dir, dirs_exist_ok=True)
+    shutil.copytree("resources", resources_dir, dirs_exist_ok=True)
     if platform.system() == "Windows":
         shutil.copy("orca.bat", bin_dir)
     with open(version_file, "w") as f:

scripts/source.py

@@ -7,7 +7,7 @@ import shutil
 from .checksum import dirsum
 from .log import *
 from .utils import yeetdir
-from .version import src_dir, orca_version
+from .version import orca_version, install_dir
 
 
 def attach_source_commands(subparsers):
@@ -15,7 +15,7 @@ def attach_source_commands(subparsers):
     source_sub = source_cmd.add_subparsers(required=True, 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.add_argument("srcdir", nargs="?", default=path_in_install("src"), 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.")
@@ -23,6 +23,10 @@ def attach_source_commands(subparsers):
     vendor_cmd.set_defaults(func=shellish(vendor))
 
 
+def path_in_install(path):
+    return os.path.join(install_dir(), path)
+
+
 def vendor(args):
     # Verify that we are ok to vendor into the requested dir.
     if os.path.exists(args.dir):
@@ -41,12 +45,19 @@ def vendor(args):
                 exit(1)
 
     yeetdir(args.dir)
-    shutil.copytree(src_dir(), args.dir)
+
+    vendor_src = os.path.join(args.dir, "src")
+    vendor_runtime = os.path.join(args.dir, "build", "bin")
+    vendor_resources = os.path.join(args.dir, "resources")
+    shutil.copytree(path_in_install("src"), vendor_src)
+    shutil.copytree(path_in_install("build/bin"), vendor_runtime)
+    shutil.copytree(path_in_install("resources"), vendor_resources)
     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}.")
 
 

scripts/version.py

@@ -38,20 +38,13 @@ def is_orca_source():
     return use_source
 
 
-def actual_install_dir():
+def 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"))
+        return os.path.normpath(os.path.join(os.path.abspath(__file__), "../.."))
     else:
-        return os.path.normpath(os.path.join(os.path.abspath(__file__), "../../../src"))
+        return os.path.normpath(os.path.join(os.path.abspath(__file__), "../../.."))
 
 
 def orca_version():
@@ -68,7 +61,7 @@ def orca_version():
             return f"dev-{version}"
     else:
         try:
-            with open(os.path.join(actual_install_dir(), ".orcaversion"), "r") as f:
+            with open(os.path.join(install_dir(), ".orcaversion"), "r") as f:
                 version = f.read().strip()
                 return version
         except FileNotFoundError:
@@ -92,4 +85,4 @@ def print_orca_version(args):
         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")
+        sys.stderr.write(f"Install dir: {install_dir()}\n")

src/app/app.c

@@ -188,7 +188,7 @@ oc_key_code oc_scancode_to_keycode(oc_scan_code scanCode)
     return (oc_appData.keyMap[scanCode]);
 }
 
-#define OC_DEFAULT_KEYMAP_ENTRY(sc, sv, kc, ...) [(int) sc] = OC_VA_NOPT(sv, ##__VA_ARGS__) __VA_ARGS__,
+#define OC_DEFAULT_KEYMAP_ENTRY(sc, sv, ...) [(int) sc] = (oc_key_code)sc,
 
 oc_key_code oc_defaultKeyMap[OC_SCANCODE_COUNT] = {
     OC_KEY_TABLE(OC_DEFAULT_KEYMAP_ENTRY)

src/graphics/graphics.h

@@ -110,8 +110,8 @@ ORCA_API void oc_surface_set_hidden(oc_surface surface, bool hidden);
 
 #else
 
-ORCA_API oc_surface oc_surface_canvas(void); //DOC: creates a surface for use with the canvas API
-ORCA_API oc_surface oc_surface_gles(void);   //DOC: create a surface for use with GLES API
+ORCA_API oc_surface oc_surface_canvas(); //DOC: creates a surface for use with the canvas API
+ORCA_API oc_surface oc_surface_gles();   //DOC: create a surface for use with GLES API
 
 #endif
 

src/orca.c

@@ -20,6 +20,7 @@
     #include "platform/win32_io.c"
     #include "platform/win32_thread.c"
     #include "platform/win32_platform.c"
+    #include "platform/win32_subprocess.c"
 //TODO
 #elif OC_PLATFORM_MACOS
     #include "platform/native_debug.c"
@@ -28,6 +29,7 @@
     #include "platform/posix_io.c"
     #include "platform/posix_thread.c"
     #include "platform/osx_platform.c"
+    #include "platform/osx_subprocess.c"
 
 /*
 	#include"platform/unix_rng.c"
@@ -53,6 +55,7 @@
     #include "platform/orca_io_stubs.c"
     #include "platform/orca_platform.c"
     #include "platform/platform_path.c"
+    #include "platform/orca_subprocess.c"
 #else
     #error "Unsupported platform"
 #endif
@@ -98,6 +101,7 @@
 #elif OC_PLATFORM_ORCA
     #include "app/orca_app.c"
     #include "wasmbind/core_api_stubs.c"
+    #include "wasmbind/subprocess_api_stubs.c"
     #include "graphics/graphics_common.c"
     #include "graphics/orca_surface_stubs.c"
 #else

src/orca.h

@@ -23,6 +23,7 @@
 #include "platform/platform_io.h"
 #include "platform/platform_io_dialog.h"
 #include "platform/platform_path.h"
+#include "platform/platform_subprocess.h"
 
 #if !defined(OC_PLATFORM_ORCA) || !(OC_PLATFORM_ORCA)
     #include "platform/platform_thread.h"

src/platform/orca_subprocess.c

@@ -0,0 +1,11 @@
+/*************************************************************************
+*
+*  Orca
+*  Copyright 2023 Martin Fouilleul and the Orca project contributors
+*  See LICENSE.txt for licensing information
+*
+**************************************************************************/
+#include "platform_subprocess.h"
+#include "util/typedefs.h"
+
+oc_str8 ORCA_IMPORT(oc_run_cmd)(oc_arena* arena, oc_str8 cmd);

src/platform/osx_subprocess.c

@@ -0,0 +1,60 @@
+/*************************************************************************
+*
+*  Orca
+*  Copyright 2023 Martin Fouilleul and the Orca project contributors
+*  See LICENSE.txt for licensing information
+*
+**************************************************************************/
+#include "platform_subprocess.h"
+
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+oc_str8 oc_run_cmd(oc_arena* arena, oc_str8 cmd)
+{
+    const char* cmdC = oc_str8_to_cstring(arena, cmd);
+    FILE* p = popen(cmdC, "r+");
+    if(!p)
+    {
+        oc_log_error("failed to launch process");
+        return OC_STR8("");
+    }
+
+    oc_str8_list chunks = { 0 };
+    char buffer[1024];
+    while(true)
+    {
+        ssize_t nRead = read(fileno(p), buffer, sizeof(buffer));
+        if(nRead < 0)
+        {
+            oc_log_error("failed to read from process's stdout\n");
+            return OC_STR8("");
+        }
+        if(nRead == 0)
+        {
+            break;
+        }
+
+        oc_str8 chunk = oc_str8_from_buffer(nRead, buffer);
+        oc_str8_list_push(arena, &chunks, oc_str8_push_copy(arena, chunk));
+    }
+
+    int status = pclose(p);
+    if(status == -1)
+    {
+        oc_log_warning("failed to close subprocess\n");
+    }
+    else if(!WIFEXITED(status))
+    {
+        oc_log_warning("subprocess did not exit correctly\n");
+    }
+
+    return oc_str8_list_join(arena, chunks);
+}
+
+#ifdef __cplusplus
+} // extern "C"
+#endif

src/platform/platform_debug.c

@@ -50,7 +50,7 @@ void oc_log_ext(oc_log_level level,
     {
         va_list ap;
         va_start(ap, fmt);
-        platform_log_push(__logConfig.output, level, function, file, line, fmt, ap);
+        platform_log_push(__logConfig.output, level, file, function, line, fmt, ap);
         va_end(ap);
     }
 }

src/platform/platform_subprocess.h

@@ -0,0 +1,24 @@
+/*************************************************************************
+*
+*  Orca
+*  Copyright 2023 Martin Fouilleul and the Orca project contributors
+*  See LICENSE.txt for licensing information
+*
+**************************************************************************/
+#ifndef __PLATFORM_SUBPROCESS_H
+#define __PLATFORM_SUBPROCESS_H
+
+#include "platform.h"
+#include "util/strings.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+ORCA_API oc_str8 oc_run_cmd(oc_arena* arena, oc_str8 cmd);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus
+
+#endif // __PLATFORM_SUBPROCESS_H

src/platform/win32_subprocess.c

@@ -0,0 +1,136 @@
+/*************************************************************************
+*
+*  Orca
+*  Copyright 2023 Martin Fouilleul and the Orca project contributors
+*  See LICENSE.txt for licensing information
+*
+**************************************************************************/
+#include "platform_subprocess.h"
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <tchar.h>
+#include <stdio.h>
+#include <strsafe.h>
+
+oc_str8 oc_run_cmd(oc_arena* arena, oc_str8 cmd)
+{
+    oc_arena_scope scratch = oc_scratch_begin();
+    oc_str8 out = { 0 };
+
+    HANDLE childStdinRd = NULL;
+    HANDLE childStdinWr = NULL;
+    HANDLE childStdoutRd = NULL;
+    HANDLE childStdoutWr = NULL;
+
+    // Create child process's stdin and stdout pipes
+    SECURITY_ATTRIBUTES saAttr;
+    saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
+    saAttr.lpSecurityDescriptor = NULL;
+    saAttr.bInheritHandle = TRUE;
+
+    if(!CreatePipe(&childStdinRd, &childStdinWr,
+                   &saAttr, 0)
+       || !SetHandleInformation(childStdinWr, HANDLE_FLAG_INHERIT, 0))
+    {
+        oc_log_error("failed to create child stdin\n");
+        goto error;
+    }
+    if(!CreatePipe(&childStdoutRd, &childStdoutWr,
+                   &saAttr, 0)
+       || !SetHandleInformation(childStdoutRd, HANDLE_FLAG_INHERIT, 0))
+    {
+        oc_log_error("failed to create child stdout\n");
+        goto error;
+    }
+
+    // Create child process
+    char* cmdStr = oc_str8_to_cstring(scratch.arena, cmd);
+    PROCESS_INFORMATION procInfo;
+    STARTUPINFO startInfo;
+
+    memset(&procInfo, 0, sizeof(PROCESS_INFORMATION));
+    memset(&startInfo, 0, sizeof(STARTUPINFO));
+
+    startInfo.cb = sizeof(STARTUPINFO);
+    startInfo.hStdInput = childStdinRd;
+    startInfo.hStdOutput = childStdoutWr;
+    startInfo.hStdError = childStdoutWr;
+    startInfo.dwFlags |= STARTF_USESTDHANDLES;
+
+    BOOL success = CreateProcess(
+        NULL,
+        cmdStr,
+        NULL,
+        NULL,
+        TRUE,
+        0,
+        NULL,
+        NULL,
+        &startInfo,
+        &procInfo);
+    if(!success)
+    {
+        oc_log_error("failed to create child process\n");
+        goto error;
+    }
+    CloseHandle(procInfo.hProcess);
+    CloseHandle(procInfo.hThread);
+    CloseHandle(childStdinRd); // the parent does not need these ends of the pipes
+    CloseHandle(childStdoutWr);
+
+    // TODO: Optionally write to the child's stdin
+    if(!CloseHandle(childStdinWr))
+    {
+        oc_log_error("failed to close child's stdin");
+        goto error;
+    }
+
+    // Read child's combined stdout/stderr
+    u64 outputLen = 0;
+    char* outputBuf = NULL;
+    while(true)
+    {
+// TODO: apply smartness to this number
+#define CHUNK_SIZE 1024
+        char chunkBuf[CHUNK_SIZE];
+        DWORD nRead;
+        BOOL success = ReadFile(childStdoutRd, chunkBuf, CHUNK_SIZE, &nRead, NULL);
+        if(!success || nRead == 0)
+        {
+            break;
+        }
+
+        char* dst = oc_arena_push(arena, nRead);
+        if(!outputBuf)
+        {
+            outputBuf = dst;
+        }
+        memcpy(dst, chunkBuf, nRead);
+        outputLen += nRead;
+    }
+
+    out = oc_str8_from_buffer(outputLen, outputBuf);
+    CloseHandle(childStdinWr);
+    CloseHandle(childStdoutRd);
+    goto cleanup;
+
+error:
+    LPVOID msgBuf;
+    DWORD dw = GetLastError();
+
+    FormatMessage(
+        FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+        NULL,
+        dw,
+        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+        (LPTSTR)&msgBuf,
+        0, NULL);
+    oc_log_error("%s\n", msgBuf);
+
+    LocalFree(msgBuf);
+cleanup:
+    oc_scratch_end(scratch);
+
+    return out;
+}

src/runtime.c

@@ -15,6 +15,7 @@
 
 #include "runtime.h"
 #include "runtime_clipboard.c"
+#include "runtime_subprocess.c"
 #include "runtime_io.c"
 #include "runtime_memory.c"
 
@@ -216,6 +217,12 @@ void oc_bridge_request_quit(void)
     __orcaApp.quit = true;
 }
 
+// TODO: wait why do I have this bridge
+oc_wasm_str8 oc_bridge_run_cmd(oc_wasm_addr wasmArena, oc_wasm_str8 cmd)
+{
+    return oc_runtime_run_cmd(wasmArena, cmd);
+}
+
 typedef struct orca_surface_create_data
 {
     oc_window window;
@@ -356,8 +363,8 @@ void log_entry_ui(oc_debug_overlay* overlay, log_entry* entry)
 
             oc_str8 loc = oc_str8_pushf(scratch.arena,
                                         "%.*s() in %.*s:%i:",
-                                        oc_str8_ip(entry->function),
                                         oc_str8_ip(entry->file),
+                                        oc_str8_ip(entry->function),
                                         entry->line);
             oc_ui_label_str8(loc);
         }
@@ -403,6 +410,7 @@ void oc_wasm_env_init(oc_wasm_env* runtime)
 #include "wasmbind/io_api_bind_gen.c"
 #include "wasmbind/surface_api_bind_manual.c"
 #include "wasmbind/surface_api_bind_gen.c"
+#include "wasmbind/subprocess_api_bind_gen.c"
 
 i32 orca_runloop(void* user)
 {
@@ -431,7 +439,7 @@ i32 orca_runloop(void* user)
     fread(app->env.wasmBytecode.ptr, 1, app->env.wasmBytecode.len, file);
     fclose(file);
 
-    u32 stackSize = 65536;
+    u32 stackSize = 65536 * 20; // MOAR STACK
     app->env.m3Env = m3_NewEnvironment();
 
     app->env.m3Runtime = m3_NewRuntime(app->env.m3Env, stackSize, NULL);
@@ -461,6 +469,7 @@ i32 orca_runloop(void* user)
         err |= bindgen_link_clock_api(app->env.m3Module);
         err |= bindgen_link_io_api(app->env.m3Module);
         err |= bindgen_link_gles_api(app->env.m3Module);
+        err |= bindgen_link_subprocess_api(app->env.m3Module);
         err |= manual_link_gles_api(app->env.m3Module);
 
         if(err)

src/runtime.h

@@ -11,6 +11,7 @@
 #include "platform/platform_io_internal.h"
 #include "runtime_memory.h"
 #include "runtime_clipboard.h"
+#include "runtime_subprocess.h"
 
 #include "m3_compile.h"
 #include "m3_env.h"

src/runtime_subprocess.c

@@ -0,0 +1,29 @@
+/*************************************************************************
+*
+*  Orca
+*  Copyright 2023 Martin Fouilleul and the Orca project contributors
+*  See LICENSE.txt for licensing information
+*
+**************************************************************************/
+
+#include "runtime_subprocess.h"
+// #include "memory.h"
+
+oc_arena cmdArena;
+
+oc_wasm_str8 oc_runtime_run_cmd(oc_wasm_addr wasmArena, oc_wasm_str8 cmd)
+{
+    if(!cmdArena.currentChunk)
+    {
+        oc_arena_init(&cmdArena);
+    }
+
+    oc_arena_clear(&cmdArena);
+    oc_str8 nativeCmd = oc_wasm_str8_to_native(cmd);
+    oc_str8 out = oc_run_cmd(&cmdArena, nativeCmd);
+    oc_wasm_addr outAddr = oc_wasm_arena_push(wasmArena, out.len);
+    char* outPtr = (char*)oc_wasm_address_to_ptr(outAddr, out.len);
+    memcpy(outPtr, out.ptr, out.len);
+    return (oc_wasm_str8){ .ptr = outAddr,
+                           .len = out.len };
+}

src/runtime_subprocess.h

@@ -0,0 +1,15 @@
+/*************************************************************************
+*
+*  Orca
+*  Copyright 2023 Martin Fouilleul and the Orca project contributors
+*  See LICENSE.txt for licensing information
+*
+**************************************************************************/
+#ifndef __RUNTIME_SUBPROCESS_H_
+#define __RUNTIME_SUBPROCESS_H_
+
+#include "runtime_memory.h"
+
+oc_wasm_str8 oc_runtime_run_cmd(oc_wasm_addr wasmArena, oc_wasm_str8 cmd);
+
+#endif // __RUNTIME_SUBPROCESS_H

src/util/memory.c

@@ -13,27 +13,27 @@
 #if OC_PLATFORM_ORCA
 enum
 {
-    OC_ARENA_DEFAULT_RESERVE_SIZE = 1 << 20,
+    OC_ARENA_DEFAULT_RESERVE_SIZE = 1 << 20
 };
 #else
 enum
 {
-    OC_ARENA_DEFAULT_RESERVE_SIZE = 1 << 30,
+    OC_ARENA_DEFAULT_RESERVE_SIZE = 1 << 30
 };
 #endif
 
 enum
 {
-    OC_ARENA_COMMIT_ALIGNMENT = 4 << 10,
+    OC_ARENA_COMMIT_ALIGNMENT = 4 << 10
 };
 
 //--------------------------------------------------------------------------------
 //NOTE(martin): memory arena
 //--------------------------------------------------------------------------------
 
-oc_arena_chunk* oc_arena_chunk_alloc(oc_arena* arena, u64 chunkMinSize)
+oc_arena_chunk* oc_arena_chunk_alloc(oc_arena* arena, u64 reserveSize)
 {
-    u64 reserveSize = oc_align_up_pow2(chunkMinSize + sizeof(oc_arena_chunk), OC_ARENA_COMMIT_ALIGNMENT);
+    reserveSize = oc_align_up_pow2(reserveSize, OC_ARENA_COMMIT_ALIGNMENT);
     u64 commitSize = oc_align_up_pow2(sizeof(oc_arena_chunk), OC_ARENA_COMMIT_ALIGNMENT);
 
     char* mem = oc_base_reserve(arena->base, reserveSize);
@@ -77,25 +77,18 @@ void oc_arena_cleanup(oc_arena* arena)
 }
 
 void* oc_arena_push(oc_arena* arena, u64 size)
-{
-    return oc_arena_push_aligned(arena, size, 1);
-}
-
-void* oc_arena_push_aligned(oc_arena* arena, u64 size, u32 alignment)
 {
     oc_arena_chunk* chunk = arena->currentChunk;
     OC_ASSERT(chunk);
 
-    u64 alignedOffset = oc_align_up_pow2(chunk->offset, alignment);
-    u64 nextOffset = alignedOffset + size;
+    u64 nextOffset = chunk->offset + size;
     u64 lastCap = chunk->cap;
     while(nextOffset > chunk->cap)
     {
         chunk = oc_list_next_entry(arena->chunks, chunk, oc_arena_chunk, listElt);
         if(chunk)
         {
-            alignedOffset = oc_align_up_pow2(chunk->offset, alignment);
-            nextOffset = alignedOffset + size;
+            nextOffset = chunk->offset + size;
             lastCap = chunk->cap;
         }
         else
@@ -105,11 +98,10 @@ void* oc_arena_push_aligned(oc_arena* arena, u64 size, u32 alignment)
     }
     if(!chunk)
     {
-        u64 chunkMinSize = oc_max(lastCap * 1.5, size + alignment);
+        u64 reserveSize = oc_max(lastCap * 1.5, size);
 
-        chunk = oc_arena_chunk_alloc(arena, chunkMinSize);
-        alignedOffset = oc_align_up_pow2(chunk->offset, alignment);
-        nextOffset = alignedOffset + size;
+        chunk = oc_arena_chunk_alloc(arena, reserveSize);
+        nextOffset = chunk->offset + size;
     }
     OC_ASSERT(nextOffset <= chunk->cap);
 
@@ -123,8 +115,8 @@ void* oc_arena_push_aligned(oc_arena* arena, u64 size, u32 alignment)
         oc_base_commit(arena->base, chunk->ptr + chunk->committed, commitSize);
         chunk->committed = nextCommitted;
     }
-    char* p = chunk->ptr + alignedOffset;
-    chunk->offset = nextOffset;
+    char* p = chunk->ptr + chunk->offset;
+    chunk->offset += size;
 
     return (p);
 }

src/util/memory.h

@@ -55,14 +55,13 @@ ORCA_API void oc_arena_init_with_options(oc_arena* arena, oc_arena_options* opti
 ORCA_API void oc_arena_cleanup(oc_arena* arena);
 
 ORCA_API void* oc_arena_push(oc_arena* arena, u64 size);
-ORCA_API void* oc_arena_push_aligned(oc_arena* arena, u64 size, u32 alignment);
 ORCA_API void oc_arena_clear(oc_arena* arena);
 
 ORCA_API oc_arena_scope oc_arena_scope_begin(oc_arena* arena);
 ORCA_API void oc_arena_scope_end(oc_arena_scope scope);
 
-#define oc_arena_push_type(arena, type) ((type*)oc_arena_push_aligned(arena, sizeof(type), _Alignof(type)))
-#define oc_arena_push_array(arena, type, count) ((type*)oc_arena_push_aligned(arena, sizeof(type) * (count), _Alignof(type)))
+#define oc_arena_push_type(arena, type) ((type*)oc_arena_push(arena, sizeof(type)))
+#define oc_arena_push_array(arena, type, count) ((type*)oc_arena_push(arena, sizeof(type) * (count)))
 
 //--------------------------------------------------------------------------------
 //NOTE(martin): memory pool

src/util/strings.c

@@ -195,24 +195,17 @@ oc_str8_list oc_str8_split(oc_arena* arena, oc_str8 str, oc_str8_list separators
             }
         }
         if(foundSep)
-        {
-            //NOTE(martin): we found a separator. If the start of the current substring is != ptr,
-            //              the current substring is not empty and we emit the substring
-            if(ptr != subStart)
         {
             oc_str8 sub = oc_str8_from_buffer(ptr - subStart, subStart);
             oc_str8_list_push(arena, &list, sub);
-            }
+
             ptr += foundSep->len - 1; //NOTE(martin): ptr is incremented at the end of the loop
             subStart = ptr + 1;
         }
     }
     //NOTE(martin): emit the last substring
-    if(ptr != subStart)
-    {
     oc_str8 sub = oc_str8_from_buffer(ptr - subStart, subStart);
     oc_str8_list_push(arena, &list, sub);
-    }
     return (list);
 }
 

src/wasmbind/core_api.json

@@ -1,128 +1,326 @@
 [
-{
+	{
 		"name": "oc_bridge_log",
 		"cname": "oc_bridge_log",
-	"ret": {"name": "void", "tag": "v"},
-	"args": [ {"name": "level",
-			   "type": {"name": "oc_log_level", "tag": "i"}},
-			  {"name": "functionLen",
-			   "type": {"name": "int", "tag": "i"}},
-			  {"name": "function",
-			   "type": {"name": "char*", "tag": "p"},
-				"len": {"count": "functionLen"}},
-              {"name": "fileLen",
-			   "type": {"name": "int", "tag": "i"}},
-			  {"name": "file",
-			   "type": {"name": "char*", "tag": "p"},
-				"len": {"count": "fileLen"}},
-			  {"name": "line",
-			   "type": {"name": "int", "tag": "i"}},
-			  {"name": "msgLen",
-			   "type": {"name": "int", "tag": "i"}},
-			  {"name": "msg",
-			   "type": {"name": "char*", "tag": "p"},
-				"len": {"count": "msgLen"}}
+		"ret": {
+			"name": "void",
+			"tag": "v"
+		},
+		"args": [
+			{
+				"name": "level",
+				"type": {
+					"name": "oc_log_level",
+					"tag": "i"
+				}
+			},
+			{
+				"name": "functionLen",
+				"type": {
+					"name": "int",
+					"tag": "i"
+				}
+			},
+			{
+				"name": "function",
+				"type": {
+					"name": "char*",
+					"tag": "p"
+				},
+				"len": {
+					"count": "functionLen"
+				}
+			},
+			{
+				"name": "fileLen",
+				"type": {
+					"name": "int",
+					"tag": "i"
+				}
+			},
+			{
+				"name": "file",
+				"type": {
+					"name": "char*",
+					"tag": "p"
+				},
+				"len": {
+					"count": "fileLen"
+				}
+			},
+			{
+				"name": "line",
+				"type": {
+					"name": "int",
+					"tag": "i"
+				}
+			},
+			{
+				"name": "msgLen",
+				"type": {
+					"name": "int",
+					"tag": "i"
+				}
+			},
+			{
+				"name": "msg",
+				"type": {
+					"name": "char*",
+					"tag": "p"
+				},
+				"len": {
+					"count": "msgLen"
+				}
+			}
 		]
-},
-{
+	},
+	{
 		"name": "oc_mem_grow",
 		"cname": "oc_mem_grow",
-	"ret": {"name": "int", "tag": "i"},
-	"args": [ {"name": "size",
-			   "type": {"name": "u64", "tag": "I"}}]
-},
-{
+		"ret": {
+			"name": "int",
+			"tag": "i"
+		},
+		"args": [
+			{
+				"name": "size",
+				"type": {
+					"name": "u64",
+					"tag": "I"
+				}
+			}
+		]
+	},
+	{
 		"name": "oc_bridge_assert_fail",
 		"cname": "oc_assert_fail",
-	"ret": {"name": "void", "tag": "v"},
-	"args": [ {"name": "file",
-			   "type": {"name": "const char*", "tag": "p"},
-				"len": {"proc": "orca_check_cstring", "args": ["file"]}},
-			  {"name": "function",
-			   "type": {"name": "const char*", "tag": "p"},
-				"len": {"proc": "orca_check_cstring", "args": ["function"]}},
-			  {"name": "line",
-			   "type": {"name": "int", "tag": "i"}},
-			  {"name": "src",
-			   "type": {"name": "const char*", "tag": "p"},
-				"len": {"proc": "orca_check_cstring", "args": ["src"]}},
-			  {"name": "note",
-			   "type": {"name": "const char*", "tag": "p"},
-				"len": {"proc": "orca_check_cstring", "args": ["note"]}}
+		"ret": {
+			"name": "void",
+			"tag": "v"
+		},
+		"args": [
+			{
+				"name": "file",
+				"type": {
+					"name": "const char*",
+					"tag": "p"
+				},
+				"len": {
+					"proc": "orca_check_cstring",
+					"args": [
+						"file"
 					]
-},
-{
+				}
+			},
+			{
+				"name": "function",
+				"type": {
+					"name": "const char*",
+					"tag": "p"
+				},
+				"len": {
+					"proc": "orca_check_cstring",
+					"args": [
+						"function"
+					]
+				}
+			},
+			{
+				"name": "line",
+				"type": {
+					"name": "int",
+					"tag": "i"
+				}
+			},
+			{
+				"name": "src",
+				"type": {
+					"name": "const char*",
+					"tag": "p"
+				},
+				"len": {
+					"proc": "orca_check_cstring",
+					"args": [
+						"src"
+					]
+				}
+			},
+			{
+				"name": "note",
+				"type": {
+					"name": "const char*",
+					"tag": "p"
+				},
+				"len": {
+					"proc": "orca_check_cstring",
+					"args": [
+						"note"
+					]
+				}
+			}
+		]
+	},
+	{
 		"name": "oc_bridge_abort_ext",
 		"cname": "oc_abort_ext",
-	"ret": {"name": "void", "tag": "v"},
-	"args": [ {"name": "file",
-			   "type": {"name": "const char*", "tag": "p"},
-				"len": {"proc": "orca_check_cstring", "args": ["file"]}},
-			  {"name": "function",
-			   "type": {"name": "const char*", "tag": "p"},
-				"len": {"proc": "orca_check_cstring", "args": ["function"]}},
-			  {"name": "line",
-			   "type": {"name": "int", "tag": "i"}},
-			  {"name": "note",
-			   "type": {"name": "const char*", "tag": "p"},
-				"len": {"proc": "orca_check_cstring", "args": ["note"]}}
+		"ret": {
+			"name": "void",
+			"tag": "v"
+		},
+		"args": [
+			{
+				"name": "file",
+				"type": {
+					"name": "const char*",
+					"tag": "p"
+				},
+				"len": {
+					"proc": "orca_check_cstring",
+					"args": [
+						"file"
 					]
-},
-{
+				}
+			},
+			{
+				"name": "function",
+				"type": {
+					"name": "const char*",
+					"tag": "p"
+				},
+				"len": {
+					"proc": "orca_check_cstring",
+					"args": [
+						"function"
+					]
+				}
+			},
+			{
+				"name": "line",
+				"type": {
+					"name": "int",
+					"tag": "i"
+				}
+			},
+			{
+				"name": "note",
+				"type": {
+					"name": "const char*",
+					"tag": "p"
+				},
+				"len": {
+					"proc": "orca_check_cstring",
+					"args": [
+						"note"
+					]
+				}
+			}
+		]
+	},
+	{
 		"name": "oc_get_host_platform",
 		"cname": "oc_get_host_platform",
-	"ret": {"name": "int", "tag": "i"},
+		"ret": {
+			"name": "int",
+			"tag": "i"
+		},
 		"args": []
-},
-{
+	},
+	{
 		"name": "oc_request_quit",
 		"cname": "oc_bridge_request_quit",
-	"ret": {"name": "void", "tag": "v"},
+		"ret": {
+			"name": "void",
+			"tag": "v"
+		},
 		"args": []
-},
-{
+	},
+	{
 		"name": "oc_window_set_title",
 		"cname": "oc_bridge_window_set_title",
-	"ret": {"name": "void", "tag": "v"},
+		"ret": {
+			"name": "void",
+			"tag": "v"
+		},
 		"args": [
-		{ "name": "title",
-		  "type": {"name": "oc_str8", "cname": "oc_wasm_str8", "tag": "S"}}
+			{
+				"name": "title",
+				"type": {
+					"name": "oc_str8",
+					"cname": "oc_wasm_str8",
+					"tag": "S"
+				}
+			}
 		]
-},
-{
+	},
+	{
 		"name": "oc_window_set_size",
 		"cname": "oc_bridge_window_set_size",
-	"ret": {"name": "void", "tag": "v"},
+		"ret": {
+			"name": "void",
+			"tag": "v"
+		},
 		"args": [
-		{ "name": "size",
-		  "type": {"name": "oc_vec2", "tag": "S"}}
+			{
+				"name": "size",
+				"type": {
+					"name": "oc_vec2",
+					"tag": "S"
+				}
+			}
 		]
-},
-{
+	},
+	{
 		"name": "oc_scancode_to_keycode",
 		"cname": "oc_scancode_to_keycode",
-    "ret": { "name": "oc_key_code", "tag": "i"},
+		"ret": {
+			"name": "oc_key_code",
+			"tag": "i"
+		},
 		"args": [
-        { "name": "scanCode",
-          "type": {"name": "oc_scan_code", "tag": "i"}}
+			{
+				"name": "scanCode",
+				"type": {
+					"name": "oc_scan_code",
+					"tag": "i"
+				}
+			}
 		]
-},
-{
+	},
+	{
 		"name": "oc_clipboard_get_string",
 		"cname": "oc_bridge_clipboard_get_string",
-	"ret": { "name": "oc_str8", "cname": "oc_wasm_str8", "tag": "S"},
+		"ret": {
+			"name": "oc_str8",
+			"cname": "oc_wasm_str8",
+			"tag": "S"
+		},
 		"args": [
-        {"name": "arena",
-         "type": {"name": "oc_arena*", "cname": "i32", "tag": "i"}}
+			{
+				"name": "arena",
+				"type": {
+					"name": "oc_arena*",
+					"cname": "i32",
+					"tag": "i"
+				}
+			}
 		]
-},
-{
+	},
+	{
 		"name": "oc_clipboard_set_string",
 		"cname": "oc_bridge_clipboard_set_string",
-	"ret": {"name": "void", "tag": "v"},
+		"ret": {
+			"name": "void",
+			"tag": "v"
+		},
 		"args": [
-		{ "name": "value",
-		  "type": {"name": "oc_str8", "cname": "oc_wasm_str8", "tag": "S"}}
+			{
+				"name": "value",
+				"type": {
+					"name": "oc_str8",
+					"cname": "oc_wasm_str8",
+					"tag": "S"
+				}
+			}
 		]
-}
+	}
 ]

src/wasmbind/subprocess_api.json

@@ -0,0 +1,29 @@
+[
+    {
+        "name": "oc_run_cmd",
+        "cname": "oc_bridge_run_cmd",
+        "ret": {
+            "name": "oc_str8",
+            "cname": "oc_wasm_str8",
+            "tag": "S"
+        },
+        "args": [
+            {
+                "name": "arena",
+                "type": {
+                    "name": "oc_arena*",
+                    "cname": "i32",
+                    "tag": "i"
+                }
+            },
+            {
+                "name": "cmd",
+                "type": {
+                    "name": "oc_str8",
+                    "cname": "oc_wasm_str8",
+                    "tag": "S"
+                }
+            }
+        ]
+    }
+]