https://github.com/nzh63/syc

Optimizing compiler for SysY (C subset)
https://github.com/nzh63/syc

Last synced: 3 days ago
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Optimizing compiler for SysY (C subset)

• Host: GitHub
• URL: https://github.com/nzh63/syc
• Owner: nzh63
• License: gpl-3.0
• Created: 2020-08-23T10:43:34.000Z (about 4 years ago)
• Default Branch: master
• Last Pushed: 2024-04-14T13:26:49.000Z (7 months ago)
• Last Synced: 2024-08-02T07:02:04.076Z (3 months ago)
• Language: C++
• Homepage: https://nzh63.github.io/syc/
• Size: 4.33 MB
• Stars: 39
• Watchers: 2
• Forks: 12
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
ARMv7a上的SysY编译器

## Try it in your browser

Syc works with browsers that support WebAssembly. Click [here](https://nzh63.github.io/syc/) to it out.

## Build

```bash

mkdir build

cd build

cmake ..

make

```

## Usage

```

syc [options] file

OPTIONS:

  -o      Place the output into .

  -O    Set optimization level to .

  -g            Produce debugging information in DWARF2 format.

  -yydebug      Enable debug of yacc parsers.

  -print_ast    Print the AST to stderr.

  -print_ir     Print the IR to stderr.

  -print_log    Print logs to assembly comment.

```

## Test

1. Install [node.js](https://nodejs.org), `arm-linux-gnueabihf-gcc` and`qemu-arm` .

2. `cd build && make test`

## IR操作数符号说明

|符号|          说明          |

|----|------------------------|

| %  |        局部符号        |

| @  |        全局符号        |

| &  |          数组          |

| ^  |导出符号（不进行重命名）|