82 lines
4 KiB
Markdown
82 lines
4 KiB
Markdown
# ssc
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> Preview of [the standard library](stdlib/talk.sun) in Sublime Text 3 using the included [syntax script](sunscript.sublime-syntax).
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## Summary
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_ssc_ is a work-in-progress compiler for SunScript.
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It supports all of the byte-code functionality of Super Mario Sunshine's SPC interpreter.
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The compiler can compile to the SPC binary format (.sb files) used by Super Mario Sunshine, allowing for completely new and custom scripts.
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This program utilizes the [Grammatica](http://grammatica.percederberg.net/) library to generate an LL(k) parser using a grammar syntax file.
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## Usage
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To use _ssc_, create an instance of the `sunCompiler` class.
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Use the `sunCompiler.Compile` method or any of its overloads to compile a script:
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|Parameter|Description|
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|---------|-----------|
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|`name`|The name of the main script to compile. This is passed to the import resolver.|
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|`output`|The output stream into which the compiled binary file will be written.|
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|`binary`|The custom binary formatter to use for output. If not specified, the default SPC binary format will be used.|
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|`resolver`|An instance of the import resolver to use. If not specified, `sunImportResolver.Default` will be used.|
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_ssc_ by default resolves imports by loading files on disk (see [language.md](language.md) for more information).
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To use a custom import resolver, create a new class inheriting from `sunImportResolver` and pass an instance of it to the `sunCompiler.Compile` method.
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The result of compilation will be returned in a `sunCompilerResults` instance.
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Use the various properties on this type to gather the information of the compilation:
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|Property|Description|
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|--------|-----------|
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|`Success`|Whether the script was compiled successfully. If not, the `Error` property will be non-`null`.|
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|`Error`|The fatal error which occured during compilation. If compilation was successful, this will be `null`.|
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|`CompileTime`|The time it took to compile, measured as a `TimeSpan` instance.|
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|`Data`|An array containing the data-table entries.|
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|`Symbols`|An array containing the symbol-table entries.|
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If the error is of the type `sunSourceException`, you can cast and retrieve the script name, line, and column of the error.
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## Compiling
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### Dependencies
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There are several dependencies when building _ssc_.
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All dependencies must be placed in the _lib-dir_ folder (see below), unless stated otherwise.
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|Dependency|Notes|
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|----------|-----|
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|[arookas library](https://github.com/arookas/arookas)|Preferably, the library should be built in the same configuration as _ssc_ (e.g. debug, release).|
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|[Grammatica 1.6](http://grammatica.percederberg.net/)|Already included in the repository.|
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> A Java runtime compatible with JDK 1.5 is required for generating the Grammatica parser classes during compilation.
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> For more information, see Grammatica's official [installation documentation](http://grammatica.percederberg.net/doc/release/install.html).
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### premake
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This repository contains a [premake5](https://premake.github.io/) [configuration file](premake5.lua).
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The script generates a solution with the following projects:
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- **ssc**, the base _ssc_ API library
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- **frontend**, a basic command-line frontend
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- **sbdump**, a tool which dumps disassembly and other information on compiled SPC binaries
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After setting up the dependencies, simply run the script through premake5 and build the resulting solution.
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There are also options which are able to be configured via the premake5 command line:
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|Option|Description|
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|------|-----------|
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|lib-dir|Sets the path to the dependencies. Defaults to the _lib/_ folder.|
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|clean-functions|Compiles only used functions.|
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|clean-symbols|Cleans symbol table of unused symbols.|
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## Language
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For more information on the SunScript language and its syntax, see [language.md](language.md).
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## Extending the compiler
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_ssc_ is designed to be extensible, allowing for custom output formats and import resolvers.
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For more information on extending _ssc_, see [extensions.md](extensions.md).
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