solasm

Solidity Assembler in Rust

Current Status

• Parser
• AST pretty-printing
• Semantics checking
• Desuraging phase
• Opcode generation
• Runtime interpreter?

Installing

$ git clone git@github.com:gnidan/solasm.git
$ cd solasm
$ cargo build

Running

After building, find executable at ./target/debug/solasm.

Outputting formatted ASM

Pass --ast option: solasm --ast:

File test.asm:

{function frobinate(x,y)->(z,t){z:=add(cos(x),sin(y))t:=sub(sin(x),cos(y))}for{let i:=0}lt(i,5){inc(i)}{mul(i,8)mstore(i)}switch i case underfrobbed(i):{frobinate(4,1)frobinate(6, 7)}case overfrobbed(i):{frobinate(0, 0)}}

Run:

cat test.asm | solasm --ast

Output:

{
  function frobinate(x, y) -> (z, t) {
    z := add(cos(x), sin(y))
    t := sub(sin(x), cos(y))
  }
  for { let i := 0 } lt(i, 5) { inc(i) } {
    mul(i, 8)
    mstore(i)
  }
  switch i
  case underfrobbed(i): {
    frobinate(4, 1)
    frobinate(6, 7)
  }
  case overfrobbed(i): { frobinate(0, 0) }
}