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Update the scopes proposal example for recent changes #118

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merged 2 commits into from
Aug 14, 2024
Merged

Update the scopes proposal example for recent changes #118

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0db0e69
Update the scopes proposal example for recent changes
takikawa Jul 29, 2024
9a7a843
Adjust callsite line number
takikawa Jul 30, 2024
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63 changes: 45 additions & 18 deletions proposals/scopes.md
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Original file line number Diff line number Diff line change
Expand Up @@ -293,7 +293,37 @@ function _z(_m) {
console.log("Hello World2"); // <- Inlined
```

Scopes:
Original Scopes:

```
A| var x = 1;
|B| function z(message) {
| | let y = 2;
| | console.log(message + y);
| | }
| z("Hello World");
```

`LX CY`: Line X Column Y

```
Start Original Scope L0 C0 { // A
kind: global
field flags: none
name: none
variables: x, z
}
Start Original Scope L1 C10 { // B
kind: function
field flags: has name
name: z
variables: message, y
}
End Original Scope L4 C1 // B
End Original Scope L5 C17 // A
```

Generated Ranges:

```
A| var _x = 1;
Expand All @@ -307,38 +337,35 @@ A| var _x = 1;
`LX CY`: Line X Column Y

```
Start Scope C0 { // A
field flags: has definition
info flags:
definition: file.js L1 C0 - L6 C17
Start Generated Range C0 { // A
field flags: has definition, is scope
definition: file.js, scope offset 0
callsite: none
bindings: x -> _x, z -> _z
}
;
Start Scope C16 { // B
field flags: has name, has definition
info flags: function, inherit parent bindings
name: z
definition: file.js L2 C20 - L5 C1
Start Generated Range C16 { // B
field flags: has definition, is scope
definition: file.js, scope offset 1
callsite: none
bindings: message -> _m, y -> _y
}
;
;
;
End Scope C1 // B
End Generated Range C1 // B
;
Start Scope C0 { // C
field flags: has name, has definition, has callsite
info flags: function, inherit parent bindings
name: z
definition: file.js L2 C0 - L5 C1
callsite: file.js L6 C0
Start Generated Range C0 { // C
field flags: has definition, has callsite
definition: file.js, scope offset 1
callsite: file.js L5 C0
bindings: message -> "Hello World", y -> 2
}
End Scope C28 // C
End Scope C28 // A
```

`XXXX` stands for a "Start Scope" item, `X` for an "End Scope" item
`XXXX` stands for a "Start Generated Range" item, `X` for an "End Generated Range" item
```
XXXX;XXXX;;;X;XXXX,X,X
```
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