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extern crate mrubyedge;
use std::rc::Rc;
use mrubyedge::rite::insn::Fetched;
use mrubyedge::rite::insn::OpCode;
use mrubyedge::yamrb::*;
//
// This is a simple example of a new VM from realworld mrbc result.
//
fn main() {
// irep1:
// irep 0x6000020e4050 nregs=8 nlocals=3 pools=0 syms=1 reps=0 ilen=66
// local variable names:
// R1:n
// file: examples/fib.rb
// 1 000 ENTER 1:0:0:0:0:0:0 (0x40000)
// 2 004 MOVE R3 R1 ; R1:n
// 2 007 LOADI_1 R4 (1)
// 2 009 LT R3 R4
// 2 011 JMPNOT R3 022
// 3 015 LOADI_0 R3 (0)
// 3 017 RETURN R3
// 3 019 JMP 064
// 4 022 MOVE R3 R1 ; R1:n
// 4 025 LOADI_3 R4 (3)
// 4 027 LT R3 R4
// 4 029 JMPNOT R3 040
// 5 033 LOADI_1 R3 (1)
// 5 035 RETURN R3
// 5 037 JMP 064
// 7 040 MOVE R4 R1 ; R1:n
// 7 043 SUBI R4 1
// 7 046 SSEND R3 :fib n=1
// 7 050 MOVE R5 R1 ; R1:n
// 7 053 SUBI R5 2
// 7 056 SSEND R4 :fib n=1
// 7 060 ADD R3 R4
// 7 062 RETURN R3
// 7 064 RETURN R3
//
let irep1 = vm::IREP {
__id: 0,
nlocals: 3,
nregs: 8,
rlen: 0,
code: vec![
op::Op {
code: OpCode::ENTER,
operand: Fetched::W(0x40000),
pos: 0,
len: 4,
},
op::Op {
code: OpCode::MOVE,
operand: Fetched::BB(3, 1),
pos: 4,
len: 3,
},
op::Op {
code: OpCode::LOADI_1,
operand: Fetched::B(4),
pos: 7,
len: 2,
},
op::Op {
code: OpCode::LT,
operand: Fetched::B(3),
pos: 9,
len: 2,
},
op::Op {
code: OpCode::JMPNOT,
operand: Fetched::BS(3, 22 - 11 - 4),
pos: 11,
len: 4,
},
op::Op {
code: OpCode::LOADI_0,
operand: Fetched::B(3),
pos: 15,
len: 2,
},
op::Op {
code: OpCode::RETURN,
operand: Fetched::B(3),
pos: 17,
len: 2,
},
op::Op {
code: OpCode::JMP,
operand: Fetched::S(64 - 19 - 3),
pos: 19,
len: 3,
},
op::Op {
code: OpCode::MOVE,
operand: Fetched::BB(3, 1),
pos: 22,
len: 3,
},
op::Op {
code: OpCode::LOADI_3,
operand: Fetched::B(4),
pos: 25,
len: 2,
},
op::Op {
code: OpCode::LT,
operand: Fetched::B(3),
pos: 27,
len: 2,
},
op::Op {
code: OpCode::JMPNOT,
operand: Fetched::BS(3, 40 - 29 - 4),
pos: 29,
len: 4,
},
op::Op {
code: OpCode::LOADI_1,
operand: Fetched::B(3),
pos: 33,
len: 2,
},
op::Op {
code: OpCode::RETURN,
operand: Fetched::B(3),
pos: 35,
len: 2,
},
op::Op {
code: OpCode::JMP,
operand: Fetched::S(64 - 37 - 3),
pos: 37,
len: 3,
},
op::Op {
code: OpCode::MOVE,
operand: Fetched::BB(4, 1),
pos: 40,
len: 3,
},
op::Op {
code: OpCode::SUBI,
operand: Fetched::BB(4, 1),
pos: 43,
len: 3,
},
op::Op {
code: OpCode::SSEND,
operand: Fetched::BBB(3, 0, 1),
pos: 46,
len: 4,
},
op::Op {
code: OpCode::MOVE,
operand: Fetched::BB(5, 1),
pos: 50,
len: 3,
},
op::Op {
code: OpCode::SUBI,
operand: Fetched::BB(5, 2),
pos: 53,
len: 3,
},
op::Op {
code: OpCode::SSEND,
operand: Fetched::BBB(4, 0, 1),
pos: 56,
len: 4,
},
op::Op {
code: OpCode::ADD,
operand: Fetched::B(3),
pos: 60,
len: 2,
},
op::Op {
code: OpCode::RETURN,
operand: Fetched::B(3),
pos: 62,
len: 2,
},
op::Op {
code: OpCode::RETURN,
operand: Fetched::B(3),
pos: 64,
len: 2,
},
],
syms: vec![value::RSym::new("fib".to_string())],
pool: Vec::new(),
reps: Vec::new(),
lv: None,
catch_target_pos: Vec::new(),
};
// irep0:
// irep 0x6000020e4000 nregs=3 nlocals=1 pools=0 syms=1 reps=1 ilen=11
// file: examples/fib.rb
// 1 000 TCLASS R1
// 1 002 METHOD R2 I[0]
// 1 005 DEF R1 :fib
// 11 008 LOADI R2 10
// 11 011 SSEND R1 :fib n=1
// 11 015 RETURN R1
// 11 017 STOP
//
let irep0 = vm::IREP {
__id: 1,
nlocals: 1,
nregs: 3,
rlen: 1,
code: vec![
op::Op {
code: OpCode::TCLASS,
operand: Fetched::B(1),
pos: 0,
len: 2,
},
op::Op {
code: OpCode::METHOD,
operand: Fetched::BB(2, 0),
pos: 2,
len: 3,
},
op::Op {
code: OpCode::DEF,
operand: Fetched::BB(1, 0),
pos: 5,
len: 3,
},
op::Op {
code: OpCode::LOADI,
operand: Fetched::BB(2, 25),
pos: 8,
len: 3,
},
op::Op {
code: OpCode::SSEND,
operand: Fetched::BBB(1, 0, 1),
pos: 11,
len: 4,
},
op::Op {
code: OpCode::RETURN,
operand: Fetched::B(1),
pos: 15,
len: 2,
},
op::Op {
code: OpCode::STOP,
operand: Fetched::Z,
pos: 17,
len: 1,
},
],
syms: vec![value::RSym::new("fib".to_string())],
pool: Vec::new(),
reps: vec![Rc::new(irep1)],
lv: None,
catch_target_pos: Vec::new(),
};
let mut vm = vm::VM::new_by_raw_irep(irep0);
let ret = vm.run().unwrap();
dbg!(ret);
}