project.json

{
  "id": "java/matou-whasm",
  "name": "WhAsm",
  "authors": ["Matthias Matousek"],
  "license": "ISC",
  "languages": ["Java"],
  "tags": ["assembler"],
  "date": "2011-04-21 12:44:33 +0200",
  "spec_version": "0.3",
  "source": ["https://github.com/matou/whasm"],
  "assembly": {
    "mnemonics": {
      "push": ["push <number>", "pushchar <char>"],
      "dup": ["duplicate"],
      "copy": ["copyn"],
      "swap": ["swap"],
      "drop": ["discard"],
      "slide": ["sliden"],
      "add": ["add"],
      "sub": ["sub"],
      "mul": ["mult"],
      "div": ["div"],
      "mod": ["mod"],
      "store": ["store"],
      "retrieve": ["retrieve"],
      "label": ["mark <number>", "marks <label>"],
      "call": ["call <number>", "calls <label>"],
      "jmp": ["jump <number>", "jumps <label>"],
      "jz": ["branchz <number>", "branchzs <label>"],
      "jn": ["branchltz <number>", "branchltzs <label>"],
      "ret": ["return"],
      "end": ["end"],
      "printc": ["printchar"],
      "printi": ["printnum"],
      "readc": ["readchar"],
      "readi": ["readnum"]
    },
    "macros": [
      {
        "name": "print",
        "args": ["str"],
        "replace": ["push str[0]", "printc", "…", "push str[n]", "printc"]
      },
      {
        "name": "println",
        "args": ["str"],
        "replace": ["push str[0]", "printc", "…", "push str[n]", "printc", "push '\\n'", "printc"]
      }
    ],
    "patterns": { "char": ".", "label": ".+", "number": "0b[10]+|0x[0-9A-Fa-f]+|[+-]?[0-9]+" },
    "line_comments": ["//"],
    "usage": ["assembler"]
  },
  "commands": [{ "type": "assembler", "bin": "WhAsm.class", "input": "stdin", "output": "stdout" }],
  "notes": "String labels are not zero-padded when converted to binary. UTF-16 encoding."
}