Update lists of operators/keywords in Julia and expand/refine highlighting (#1715)

* [julia] Update operators, keywords, and literal lists

* [julia] Support symbol macros

* [julia] Parse '..' operator juxtaposed with integers

* [julia] Identify Symbol literals

* [julia] Consume strings/commands faster & add triple-quoted command

* [julia] Support identifying operators with custom suffixes

* [julia] Add parsing for raw strings

* [julia] Share definition of interpolation

* [julia] Identify escaped ` and $ in commands

* [julia] Support non-standard string and commmand literals with flags

* [julia] Support variable names with interior exclamations

* [julia] Fix matching floats starting with decimal

* [julia] Compress nearly duplicate number matches with optional group

* [julia] Match double-underscored float literal

* [julia] Match hex float literals

* [julia] Test more non-numerical literal expressions

* [julia] Tag types in type contexts

* [julia] Identify console via `julia-repl` as well

* [julia] Be more conservative in identifying symbols

* [julia] Update example file to v1.6 `base/strings/string.jl`

* Address one CI failure

* Switch to non-emoji Unicode category So example

Hopefully fixes pypy3 CI failure

* fixup: remove duplicate operators already in DOTTED_OPERATORS_LIST

* [julia] Fix backslash operator

* [julia] List `true`, `false` with builtin names, not keywords

1 files changed, 51 insertions, 0 deletions

diff --git a/tests/snippets/julia-repl/test_repl.txt b/tests/snippets/julia-repl/test_repl.txt
new file mode 100644
index 00000000..798f0047
--- /dev/null
+++ b/tests/snippets/julia-repl/test_repl.txt
@@ -0,0 +1,51 @@
+Tests separating Julia's commands from output in REPL-like code blocks
+
+---input---
+julia> f(x) = sin(π/2x)
+f (generic function with 1 method)
+
+julia> @. f(1:2)
+2-element Vector{Float64}:
+ 1.0
+ 0.7071067811865475
+
+---tokens---
+'julia>'      Generic.Prompt
+' '           Text
+'f'           Name
+'('           Punctuation
+'x'           Name
+')'           Punctuation
+' '           Text
+'='           Operator
+' '           Text
+'sin'         Name
+'('           Punctuation
+'π'           Name.Builtin
+'/'           Operator
+'2'           Literal.Number.Integer
+'x'           Name
+')'           Punctuation
+'\n'          Text
+
+'f (generic function with 1 method)\n' Generic.Output
+
+'\n'          Generic.Output
+
+'julia>'      Generic.Prompt
+' '           Text
+'@.'          Name.Decorator
+' '           Text
+'f'           Name
+'('           Punctuation
+'1'           Literal.Number.Integer
+':'           Operator
+'2'           Literal.Number.Integer
+')'           Punctuation
+'\n'          Text
+
+'2-element Vector{Float64}:\n' Generic.Output
+
+' 1.0\n'      Generic.Output
+
+' 0.7071067811865475\n' Generic.Output