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