AST for solidity-parser PR

tuples.js

/*
AST for:
    var (x, y) = (10, 20);
    var (a, b) = getMyTuple();
    var (,c) = (10, 20);
    var (d,,) = (10, 20, 30);
    var (,e,,f,) = (10, 20, 30, 40, 50);
*/

 {
  "type": "VariableDeclarationTuple",
  "declarations": [
   {
    "type": "VariableDeclarator",
    "id": {
     "type": "Identifier",
     "name": "x",
     "start": 8332,
     "end": 8333
    },
    "init": null,
    "start": 8332,
    "end": 8333
   },
   {
    "type": "VariableDeclarator",
    "id": {
     "type": "Identifier",
     "name": "y",
     "start": 8335,
     "end": 8336
    },
    "init": null,
    "start": 8335,
    "end": 8336
   }
  ],
  "init": {
   "type": "SequenceExpression",
   "expressions": [
    {
     "type": "Literal",
     "value": 10,
     "start": 8341,
     "end": 8343
    },
    {
     "type": "Literal",
     "value": 20,
     "start": 8345,
     "end": 8347
    }
   ]
  },
  "start": 8327,
  "end": 8349
 },
 {
  "type": "VariableDeclarationTuple",
  "declarations": [
   {
    "type": "VariableDeclarator",
    "id": {
     "type": "Identifier",
     "name": "a",
     "start": 8359,
     "end": 8360
    },
    "init": null,
    "start": 8359,
    "end": 8360
   },
   {
    "type": "VariableDeclarator",
    "id": {
     "type": "Identifier",
     "name": "b",
     "start": 8362,
     "end": 8363
    },
    "init": null,
    "start": 8362,
    "end": 8363
   }
  ],
  "init": {
   "type": "CallExpression",
   "callee": {
    "type": "Identifier",
    "name": "getMyTuple",
    "start": 8367,
    "end": 8377
   },
   "arguments": [],
   "start": 8367,
   "end": 8379
  },
  "start": 8354,
  "end": 8380
 },
 {
  "type": "VariableDeclarationTuple",
  "declarations": [
   {
    "type": "VariableDeclarator",
    "id": {
     "type": "Identifier",
     "name": "c",
     "start": 8391,
     "end": 8392
    },
    "init": null,
    "start": 8391,
    "end": 8392
   }
  ],
  "init": {
   "type": "SequenceExpression",
   "expressions": [
    {
     "type": "Literal",
     "value": 10,
     "start": 8397,
     "end": 8399
    },
    {
     "type": "Literal",
     "value": 20,
     "start": 8401,
     "end": 8403
    }
   ]
  },
  "start": 8385,
  "end": 8405
 },
 {
  "type": "VariableDeclarationTuple",
  "declarations": [
   {
    "type": "VariableDeclarator",
    "id": {
     "type": "Identifier",
     "name": "d",
     "start": 8415,
     "end": 8416
    },
    "init": null,
    "start": 8415,
    "end": 8416
   }
  ],
  "init": {
   "type": "SequenceExpression",
   "expressions": [
    {
     "type": "Literal",
     "value": 10,
     "start": 8423,
     "end": 8425
    },
    {
     "type": "Literal",
     "value": 20,
     "start": 8427,
     "end": 8429
    },
    {
     "type": "Literal",
     "value": 30,
     "start": 8431,
     "end": 8433
    }
   ]
  },
  "start": 8410,
  "end": 8435
 },
 {
  "type": "VariableDeclarationTuple",
  "declarations": [
   {
    "type": "VariableDeclarator",
    "id": {
     "type": "Identifier",
     "name": "e",
     "start": 8446,
     "end": 8447
    },
    "init": null,
    "start": 8446,
    "end": 8447
   },
   {
    "type": "VariableDeclarator",
    "id": {
     "type": "Identifier",
     "name": "f",
     "start": 8449,
     "end": 8450
    },
    "init": null,
    "start": 8449,
    "end": 8450
   }
  ],
  "init": {
   "type": "SequenceExpression",
   "expressions": [
    {
     "type": "Literal",
     "value": 10,
     "start": 8456,
     "end": 8458
    },
    {
     "type": "Literal",
     "value": 20,
     "start": 8460,
     "end": 8462
    },
    {
     "type": "Literal",
     "value": 30,
     "start": 8464,
     "end": 8466
    },
    {
     "type": "Literal",
     "value": 40,
     "start": 8468,
     "end": 8470
    },
    {
     "type": "Literal",
     "value": 50,
     "start": 8472,
     "end": 8474
    }
   ]
  },
  "start": 8440,
  "end": 8476
 }