https://github.com/ejunjsh/jcc

a toy for java compiler and interpreter
https://github.com/ejunjsh/jcc

interpreter java-compiler

Last synced: about 5 hours ago
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a toy for java compiler and interpreter

• Host: GitHub
• URL: https://github.com/ejunjsh/jcc
• Owner: ejunjsh
• Created: 2021-01-23T07:59:45.000Z (almost 4 years ago)
• Default Branch: main
• Last Pushed: 2021-02-11T00:45:08.000Z (over 3 years ago)
• Last Synced: 2023-03-05T02:28:17.612Z (over 1 year ago)
• Topics: interpreter, java-compiler
• Language: Java
• Homepage:
• Size: 80.1 KB
• Stars: 3
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# jcc

a java compiler and interpreter

## compile jcc

    mvn compile

## compile RecursiveSum.java

    mvn exec:java -Dexec.mainClass=com.sky.jcc.compiler.CodeGenerationMain -Dexec.args=RecursiveSum.java

output:

    The following program does: 

	 ->Syntax Tree build 

	 ->Symbol Table construction 

	 ->Type checking 

	 ->Code Generation 

    Processing file: RecursiveSum.java

    

        Symbol Table:

    

    +-------------------------------------------------------------------------------------------+

    ID                           RECORD                            SCOPE

    +-------------------------------------------------------------------------------------------+

    RecursiveSum             RecursiveSum - class                    prog [ program ]

    Test                     Test - class                    prog [ program ]

    main                    main - public              RecursiveSum [ class ]

    sum                        sum - int                      Test [ class ]

    num                        num - int                      sum [ method ]

    sum                        sum - int                      sum [ method ]

    +-------------------------------------------------------------------------------------------+

    

    Generated code

    ==============

    

    Method: RecursiveSum.main

    0  ICONST            10

    1  INVOKEVIRTUAL     Test.sum

    2  PRINT             

    3  STOP

    

    Method: Test.sum

    #0 = num  #1 = sum

    0  ISTORE            #0

    1  ILOAD             #0

    2  ICONST            2  

    3  ILT               

    4  IF_FALSE          8  

    5  ICONST            1  

    6  ISTORE            #1

    7  GOTO              15

    8  ILOAD             #0

    9  ILOAD             #0

    10 ICONST            1  

    11 ISUB              

    12 INVOKEVIRTUAL     Test.sum

    13 IADD              

    14 ISTORE            #1

    15 ILOAD             #1

    16 IRETURN

    

    Program compiled into: RecursiveSum.jcc

## interprete run RecursiveSum.jcc

    mvn exec:java -Dexec.mainClass=com.sky.jcc.interpreter.JccInterpreter -Dexec.args=RecursiveSum.jcc

output:

    The following program does: 

	 ->Code interpretation 

    Interpreting file: RecursiveSum.jcc

    55

    

:) enjoy