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Meow-Compiler
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2022华为毕昇杯-喵喵队仰卧起坐-参赛作品
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Meow-Compiler
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# Meow-Compiler 2022 [全国大学生计算机系统能力大赛编译系统设计赛（华为毕昇杯）](https://compiler.educg.net) 参赛作品。 ## Build Requirements: Java (JDK >= 15) ```bash mkdir target javac -d target -encoding 'utf-8' \ $(find src -type f -name '*.java') cd target; mkdir -p META-INF; echo -e 'Manifest-Version: 1.0\r\nMain-Class: Compiler\r\n\r\n' > META-INF/MANIFEST.MF jar cfm compiler.jar META-INF/MANIFEST.MF * ``` Artifact will be stored at <tt>target/compiler.jar</tt> . ## Usage ``` java -jar compiler.jar {(-S|-emit-llvm) -o filename} filename [-On] Options: -S -o filename: generate armv7-a assembly to file. -emit-llvm -o filename: generate LLVM IR (.ll) to file. filename: source code file. -On: optimize level, possible value: -O0, -O1, -O2 ``` Examples: - (Contest Official Functional Test) Generate assembly <tt>test.S</tt> from source <tt>test.sy</tt> without optimization ```bash java -jar compiler.jar -S test.S test.sy ``` - (Contest Official Performance Test) Generate assembly <tt>test.S</tt> from source <tt>test.sy</tt> with optimization ```bash java -jar compiler.jar -S test.S test.sy -O2 ``` - Generate LLVM IR <tt>test.ll</tt> from source <tt>test.sy</tt> with optimization ```bash java -jar compiler.jar -emit-llvm -o test.ll test.sy -O2 ``` - Generate both LLVM IR and assembly, without optimization and enable assertion ```bash java -ea -jar compiler.jar -emit-llvm -o test.ll -S -o test.S test.sy ``` ## Run target code Before running target code, [SysY Runtime Library](https://gitlab.eduxiji.net/nscscc/compiler2022/-/blob/master/SysY2022%E8%BF%90%E8%A1%8C%E6%97%B6%E5%BA%93-V1.pdf) is required first. - If target code (arm assembly) runs on raspberry pi, you should compile the runtime library on pi first; - If target code (llvm ir or arm assembly) runs on PC, you can use our [Docker Image](https://github.com/Meow-Twice/sysy-docker) as the environment. [Testcases](https://gitlab.eduxiji.net/nscscc/compiler2022/-/tree/master/%E5%85%AC%E5%BC%80%E6%A0%B7%E4%BE%8B%E4%B8%8E%E8%BF%90%E8%A1%8C%E6%97%B6%E5%BA%93) can be accessed from educg gitlab. ## Structure  ## Optimization and Passes Mid-end optimization passed is managed at <tt>midend/MidEndRunner.java</tt>, and global control is managed at <tt>util/CenterControl.java</tt> .
