README.md · CovScript 智锐编程语言/csbuild

# Covariant Script Build System
[![Action Status](https://github.com/covscript/csbuild/workflows/schedule/badge.svg)](https://github.com/covscript/csbuild/actions)  
CSBuild is a system used for parallel building, automatic releasing and continues integration of official maintained packages.
## Supported Operating System
|Platform|Architectural|Toolchain|Installer|Build Tool|Package Tool|
|----|----|----|----|----|----|
|Microsoft Windows|x86, x86_64|MinGW-w64|Microsoft Installer|`auto-build.bat`|`package_tools/wix/make.bat`|
|Canonical Ubuntu|x86, x86_64, ARM, MIPS64EL|GCC, LLVM Clang|Debian Packager|`auto-build.sh`|`package_tools/deb/make.sh`|
|Apple macOS|x86_64|Apple Clang|Apple Disk Image|`auto-build.sh`|`package_tools/dmg/make.sh [--no-gui]`|

To build release version rather than nightly version, please add `release` argument when running build tool command.
## Setup build environment
### Windows
You need to install Git and CMake on your system first.

For building environment, please download [official maintained MinGW-w64 environment](https://github.com/covscript-archives/mingw-w64).

Otherwise, you need to install libffi, libglfw3 and libcurl manually.
### Linux
```
sudo apt install git cmake build-essential
sudo apt install libffi-dev unixodbc-dev libglfw3-dev libcurl4-openssl-dev
```
## Build your package with CSBuild
### Step 1: Write your Package Description File
#### Package Description File Template:
```json
{
    "Type": "Package",
    "Name": "test",
    "Info": "Test Package",
    "Author": "Anonymous",
    "Version": "1.0.0",
    "Target": "Path to your package(*.cse|*.csp)",
    "Source": "Path to your source file(*.cpp)",
    "Dependencies": []
}

```
+ `Type` is the type of your package, can be `Package`(\*.csp) or `Extension`(\*.cse)
+ `Name` is the unique identifier of the package and cannot be repeated.
+ `Info` is the description of your package, should be short in one sentence.
+ `Author` is the name of the package author.
+ `Version` is the version of your package, which will be sorted in lexicographical order.
+ `Target` is the path to your package file(base to the repository directory).
+ `Source` is the path to your source file(base to the repository directory).
  + Note that if you need more complicated method to configure your project like `cmake`, this field is unessential.
  + Currently this method for building is **experimental** that can't bundle in CSBuild directly. Please use it for debugging only before this method is merged into mainline support.
+ `Dependencies` is an array of package names you depend on.
  + An standard extension **should not** have any dependencies.

#### Example:
```json
{
    "Type": "Extension",
    "Name": "analysis_impl",
    "Info": "Data Analysis Implementation",
    "Author": "CovScript Organization",
    "Version": "1.1.0",
    "Source": "analysis_impl.cpp",
    "Target": "analysis_impl.cse",
    "Dependencies": []
}
```
### Step 2: Put your json file into the `csbuild` folder of your repository
An legal `csbuild` folder should contains following files:
+ JSON files: Package Description File, can be multiple.
+ *Build Scripts*: Extensions Only
  + make.bat: Build script on Windows
  + make.sh: Build script on Unix Systems
### Step 3: Write your build script (for Extensions)
Build scripts are variable between different projects, but at least you should follow these basic rules:
+ No extra effect on system.
+ Can be executed paralleled.
+ Will not occupy unreasonable time.

Based on basic rules, a good build script should follow these rules additionally:
+ Use building tools, such as CMake
+ Output the files into standard path structural:
    + Binaries -> build/bin
    + Packages -> build/imports
+ Providing same experience in different platforms
#### Example of CMakeLists.txt for CovScript Extension
```
cmake_minimum_required(VERSION 3.4)

project(covscript-regex)

if(DEFINED ENV{CS_DEV_PATH})
    include_directories($ENV{CS_DEV_PATH}/include)
    link_directories($ENV{CS_DEV_PATH}/lib)
endif()

if(DEFINED ENV{CS_DEV_OUTPUT})
    set(LIBRARY_OUTPUT_PATH $ENV{CS_DEV_OUTPUT})
    set(EXECUTABLE_OUTPUT_PATH $ENV{CS_DEV_OUTPUT})
endif()

# Compiler Options
set(CMAKE_CXX_STANDARD 14)

if (MSVC)
    set(CMAKE_CXX_FLAGS "/O2 /EHsc /utf-8 /w")
    set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
elseif (CMAKE_COMPILER_IS_GNUCXX)
    if (WIN32)
        set(CMAKE_C_FLAGS "--static -fPIC -s -O3")
        set(CMAKE_CXX_FLAGS "--static -fPIC -s -O3")
    else ()
        set(CMAKE_C_FLAGS "-fPIC -s -O3")
        set(CMAKE_CXX_FLAGS "-fPIC -s -O3")
    endif ()
else ()
    set(CMAKE_C_FLAGS "-fPIC -O3")
    set(CMAKE_CXX_FLAGS "-fPIC -O3")
endif ()

add_library(regex SHARED regex.cpp)

target_link_libraries(regex covscript)

set_target_properties(regex PROPERTIES OUTPUT_NAME regex)
set_target_properties(regex PROPERTIES PREFIX "")
set_target_properties(regex PROPERTIES SUFFIX ".cse")
```
We usually locate the development files via `CS_DEV_PATH` environment variable. If you are using Windows or Linux, the `CS_DEV_PATH` should be placed correctly with official CovScript Runtime Installer.
### Step 4: Configure CSBuild
CSBuild have 3 phases: Fetch -> Build -> Install
#### 1. Add your package to each phase of CSBuild
+ Fetch
    + Windows -> misc/win32_config.json -> append a record in `repos` field:
        + `<User>/<Repository Name>`
    + Unix -> misc/unix_build.sh -> append a record after `fetch_git` commands:
        + `fetch_git <User>/<Repository Name> &`
+ Build
    + Windows -> misc/win32_config.json -> append a record in `build` field:
        + `<Repository Name>`
    + Unix -> misc/unix_build.sh -> append a record after `start` commands:
        + `start <Repository Name> "./csbuild/make.sh" &`
+ Install
    + All -> misc/cspkg_config.json -> append a record in `install` field:
        + `<Repository Name>`
#### 2. Test CSBuild script
Run `auto-build.bat` in Windows or `auto-build.sh` in Unix, wait for final output.

If CSBuild was configured correctly, you can see these output without error report.
```
...
csbuild: building package csdbc(1.0.1)...
...
```
### Step 5: Submit to official CSBuild repository(Optional)
If your test runs smoothly and you want Official release including your package, you can submit your package to our official CSBuild repository via Pull Request.

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