Implement ES2016 check for simple parameter list in strict mode (#106)

* Slightly simplify logic

* Implement ES2016 check for simple parameter list in strict mode

See e.g. ECMA-262 7.0 14.1.2:

> It is a Syntax Error if ContainsUseStrict of FunctionBody is true and
> IsSimpleParameterList of FormalParameters is false.

Similar clauses cover arrow functions, generator functions, methods, and
generator methods, as well as async functions and async arrow functions.
This commit is contained in:
Timothy Gu
2016-09-15 10:58:01 -07:00
committed by Daniel Tschinder
parent 64145b07e3
commit 643d3f37a4
31 changed files with 422 additions and 158 deletions

View File

@@ -1 +0,0 @@
function a([], []) {'use strict';}

View File

@@ -1,154 +0,0 @@
{
"type": "File",
"start": 0,
"end": 34,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 34
}
},
"program": {
"type": "Program",
"start": 0,
"end": 34,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 34
}
},
"sourceType": "script",
"body": [
{
"type": "FunctionDeclaration",
"start": 0,
"end": 34,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 34
}
},
"id": {
"type": "Identifier",
"start": 9,
"end": 10,
"loc": {
"start": {
"line": 1,
"column": 9
},
"end": {
"line": 1,
"column": 10
}
},
"name": "a"
},
"generator": false,
"expression": false,
"params": [
{
"type": "ArrayPattern",
"start": 11,
"end": 13,
"loc": {
"start": {
"line": 1,
"column": 11
},
"end": {
"line": 1,
"column": 13
}
},
"elements": []
},
{
"type": "ArrayPattern",
"start": 15,
"end": 17,
"loc": {
"start": {
"line": 1,
"column": 15
},
"end": {
"line": 1,
"column": 17
}
},
"elements": []
}
],
"body": {
"type": "BlockStatement",
"start": 19,
"end": 34,
"loc": {
"start": {
"line": 1,
"column": 19
},
"end": {
"line": 1,
"column": 34
}
},
"body": [],
"directives": [
{
"type": "Directive",
"start": 20,
"end": 33,
"loc": {
"start": {
"line": 1,
"column": 20
},
"end": {
"line": 1,
"column": 33
}
},
"value": {
"type": "DirectiveLiteral",
"start": 20,
"end": 32,
"loc": {
"start": {
"line": 1,
"column": 20
},
"end": {
"line": 1,
"column": 32
}
},
"value": "use strict",
"extra": {
"raw": "'use strict'",
"rawValue": "use strict"
}
}
}
]
}
}
],
"directives": []
}
}