HQ9+ Interpreter, Compiler and JIT-Compiler

See http://esolangs.org/wiki/HQ9 for more on HQ9+.
See Interpreter, Compiler, JIT for more on translation techniques.

Instructions

H: Print "hello, world"
Q: Print the program's source code
9: Print the lyrics to "99 Bottles of Beer"
+: Increment the accumulator

Interpreter

Compile the interpreter: gcc -ansi -pedantic -Wall interpreter.c -o HQ9+
Interpret a HQ9+ program: ./HQ9+ ../main.hq9+

Compiler

Compile the compiler: gcc -ansi -pedantic -Wall compiler.c -o HQ9+
Compile and assemble a HQ9+ program: ./HQ9+ ../main.hq9+ | gcc -no-pie -nostartfiles -o program -xassembler -
Start the program: ./program

JIT-Compiler

Compile the jit compiler: gcc jit.c vector.c -o HQ9+
Jit a program: ./HQ9+ ../main.hq9+