Locations got broken

[davesnx]

Unsure when it happened, but between 0.52 and 0.54 the location of the generated code is broken in a few cases, the most annoying is when there's a type-miss match on interpolation:

let cosas = `underlin;

[%cx
  {|
  width: fit-content;
  grid-template-columns: fit-content(20px) fit-content(10%);

  @media $(Media.tabletUp) and $(Media.largeDesktopDown) {
    grid-template-columns: fit-content(20px) fit-content(10%);
  }

  grid-template-areas: "bp bp" "os ps";
|}
];

[%cx {|
  text-decoration: $(cosas);
|}];

+  File "input.re", line 1, characters 1-16:
+  Error: This expression has type [> `underlin ]
+         but an expression was expected of type
+           [< `inherit_
+            | `initial
+            | `lineThrough
+            | `none
+            | `overline
+            | `underline
+            | `unset
+            | `var of string
+            | `varDefault of string * string ]
+         The second variant type does not allow tag(s) `underlin

The line 1, characters 1-16 is wrong, we don't se the right line number and should point to the interpolation instead.

[%cx {|
  text-decoration: $(cosas);
                   ^^^^^^^^
|}];

[davesnx]

~Previously we kept track of container_lnum when we were parsing on the ppx and it was passed to the code-gen.~

[davesnx]

Copying the comment from https://github.com/davesnx/styled-ppx/pull/456

After this PR the locations don't look exactly I would like it to, but they are close enough:

+  File "input.re", lines 10-11, characters 6-36:
+  10 | ......|
+  11 |     text-decoration: $(cosas).
+  Error: This expression has type [> `underlin ]
+         but an expression was expected of type
+           [< `inherit_
+            | `initial
+            | `lineThrough
+            | `none
+            | `overline
+            | `underline
+            | `unset
+            | `var of string
+            | `varDefault of string * string ]
+         The second variant type does not allow tag(s) `underlin
+  [1]

The remaining work to make them perfect is to make sure css_lexer and css_parser respect whitespaces and use loc in menhir properly

---

Closing this issue since the bug has been fixed