update nim grammar to support the new number literals (#5306)

* add synthetic sample file intended to show all allowed nim syntax

* nim: update NimLime url to get the new nim literals correctly highlighted

* fixup

* update vendor/README.md

* update vendor/README.md

* vendor/grammars/NimLime

.gitmodules

@@ -66,7 +66,8 @@
 	url = https://github.com/github-linguist/NSIS
 [submodule "vendor/grammars/NimLime"]
 	path = vendor/grammars/NimLime
-	url = https://github.com/Varriount/NimLime
+	url = https://github.com/timotheecour/NimLime
+	branch = master2
 [submodule "vendor/grammars/Nixinova-tmLanguage"]
 	path = vendor/grammars/Nixinova-tmLanguage
 	url = https://github.com/Nixinova/tmLanguage

samples/Nim/main.nim

@@ -0,0 +1,84 @@
+iterator fn1: int = yield 12
+template fn2 = discard
+macro fn3 = discard
+proc fn4 = discard
+proc fn5(a, b: int, c: float, d, e: string; f: char) = discard
+
+template fn6 =
+  block: ## number literals
+    echo (1'u8, 0b1010, 0xdeadBEEF'big, -123'32, 12_345.002e-12'f128)
+    let a = 0xdeadBEEF'wrap
+    let b = -123'wrap
+
+  block: ## char literals
+    let c = '\1'
+    let c = '\e'
+    let c = '\n'
+    let c = '\x12'
+
+  block: ## string literals
+    let a = ""
+    let b = "ab\ndef"
+    let c = r"a\ndef"
+    let g = """
+a\ndef"""
+    let h = """a\ndef"""
+    let i = """a\ndef""".dedent # BUG: syntax highlight wrong
+    let j = """a\ndef"""&"asdf" # BUG: syntax highlight wrong
+    let k = """a\ndef""" & "asdf" # ok
+
+  block:
+    ## tuples
+    let a = (-123'wrap, 12'f33, )
+    let b = ()
+    let c = (1,)
+    let d = (1)
+
+  block:
+    let a = @[1]
+    let b = [1,2]
+
+proc `'fn6b`(a: string): int = discard
+proc `cast`(a: string): int = discard
+proc fn6c[T; T2](a: T): T = discard
+proc fn6d[T, T2](a: T): T = discard
+proc fn6e[T](a: T): T = discard
+
+runnableExamples: discard
+
+runnableExamples("-r:off"): discard
+
+proc fn7 =
+  runnableExamples("-r:off -d:danger"):
+    assert 1 + 1 == 2
+
+proc fn8 =
+  runnableExamples("-r:off -d:danger"):
+    assert 1 + 1 == 2
+
+proc fn9 =
+  ##[
+  hello world `foo.bar`
+  * b1
+  * b2
+  * b3
+  ]##
+  runnableExamples("-r:off -d:danger"):
+    assert 1 + 1 == 2
+
+type F10 = enum a1, a2
+type F11 = ref object of RootRef
+  x1, x2: int
+  x3: tuple[a: int]
+  x4: (int, float, float32, float64)
+
+type
+  F12 = int
+  F13 = ref F12
+
+const a = 1
+const
+  b = 2
+  c = b
+let d = "ad"
+var e = "ad"

vendor/README.md

@@ -296,7 +296,7 @@ This is a list of grammars that Linguist selects to provide syntax highlighting
 - **NewLisp:** [textmate/lisp.tmbundle](https://github.com/textmate/lisp.tmbundle)
 - **Nextflow:** [nextflow-io/atom-language-nextflow](https://github.com/nextflow-io/atom-language-nextflow)
 - **Nginx:** [brandonwamboldt/sublime-nginx](https://github.com/brandonwamboldt/sublime-nginx)
-- **Nim:** [Varriount/NimLime](https://github.com/Varriount/NimLime)
+- **Nim:** [timotheecour/NimLime](https://github.com/timotheecour/NimLime)
 - **Ninja:** [khyo/language-ninja](https://github.com/khyo/language-ninja)
 - **Nit:** [R4PaSs/Sublime-Nit](https://github.com/R4PaSs/Sublime-Nit)
 - **Nix:** [wmertens/sublime-nix](https://github.com/wmertens/sublime-nix)

vendor/licenses/git_submodule/NimLime.dep.yml

@@ -1,7 +1,7 @@
 ---
 type: git_submodule
 name: NimLime
-version: f75325a01dd4428e12fbc38289ed6e0d12e82a9c
+version: b16e7469dd8a6a9e3e77382dfce642d424a472af
 license: mit
 licenses:
 - text: |-