Added require util.

[orizi]

Used all around.

---

Stack:

• Added support for empty fixed sized array span. #5418
• Supported empty fixed sized array. #5417
• Preventing box values from being const-folded. #5416
• Added require util. #5393 ⬅

⚠️ Part of a stack created by spr. Do not merge manually using the UI - doing so may have unexpected results.

---

This change is 

[gilbens-starkware]

Reviewed 27 of 28 files at r1.
Reviewable status: 27 of 28 files reviewed, all discussions resolved (waiting on @ilyalesokhin-starkware and @mkaput)

[mkaput]

TBH, to my eyes this does not bring significant improvements, but I want to enforce my opinion here. I would love just not to use it in the LS

Reviewed 28 of 28 files at r1, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @ilyalesokhin-starkware and @orizi)

---

crates/cairo-lang-language-server/src/lib.rs line 1218 at r1 (raw file):

    let syntax_db = db.upcast();
    let (node, lookup_items) = get_node_and_lookup_items(db, file, position)?;
    require(node.kind(syntax_db) == SyntaxKind::TokenIdentifier)?;

Could you please revert this change in the LS code? I would like to eventually minimize source dependencies on compiler utils and other crates in my areas of interest :/

[mkaput]

*I do not want to enforce

Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @ilyalesokhin-starkware and @orizi)

[orizi]

Reviewable status: 27 of 28 files reviewed, 1 unresolved discussion (waiting on @gilbens-starkware, @ilyalesokhin-starkware, and @mkaput)

---

crates/cairo-lang-language-server/src/lib.rs line 1218 at r1 (raw file):

Previously, mkaput (Marek Kaput) wrote…

Could you please revert this change in the LS code? I would like to eventually minimize source dependencies on compiler utils and other crates in my areas of interest :/

Done.

[mkaput]

Reviewed 1 of 1 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @ilyalesokhin-starkware)

[ilyalesokhin-starkware]

Reviewed 27 of 28 files at r1.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @orizi)

[ilyalesokhin-starkware]

Reviewed 1 of 28 files at r1, 2 of 3 files at r3, 2 of 2 files at r4, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @orizi)