From a1dedb4794b1cd4519394fe82df9fc81b754824f Mon Sep 17 00:00:00 2001
From: Jake Bolewski <jakebolewski@gmail.com>
Date: Wed, 1 Apr 2015 00:44:02 -0400
Subject: [PATCH] add emoji REPL completion

---
 NEWS.md                 |   2 +
 base/REPL.jl            |   2 +-
 base/REPLCompletions.jl |  29 +-
 base/emoji_symbols.jl   | 857 ++++++++++++++++++++++++++++++++++++++++
 test/replcompletions.jl |  20 +-
 5 files changed, 897 insertions(+), 13 deletions(-)
 create mode 100644 base/emoji_symbols.jl

diff --git a/NEWS.md b/NEWS.md
index e35771e0690ba..cb21b7c19ab5f 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -161,6 +161,8 @@ Library improvements
 
   * Other improvements
 
+    * You can now tab complete Emoji characters from the REPL, with `\:name:<tab>` ([#10709)
+
     * `gc_enable`, `gc_disable` returns previous GC state.
 
     * `assert`, `@assert` now throws an `AssertionError` exception type ([#9734]).
diff --git a/base/REPL.jl b/base/REPL.jl
index a8c5e77bea049..d2d6378187a66 100644
--- a/base/REPL.jl
+++ b/base/REPL.jl
@@ -286,7 +286,7 @@ end
 function complete_line(c::LatexCompletions, s)
     partial = bytestring_beforecursor(LineEdit.buffer(s))
     full = LineEdit.input_string(s)
-    ret, range, should_complete = latex_completions(full, endof(partial))[2]
+    ret, range, should_complete = bslash_completions(full, endof(partial))[2]
     return ret, partial[range], should_complete
 end
 
diff --git a/base/REPLCompletions.jl b/base/REPLCompletions.jl
index 7d693dc6be45c..78f2383d50aa6 100644
--- a/base/REPLCompletions.jl
+++ b/base/REPLCompletions.jl
@@ -1,6 +1,6 @@
 module REPLCompletions
 
-export completions, shell_completions, latex_completions
+export completions, shell_completions, bslash_completions
 
 using Base.Meta
 
@@ -236,6 +236,7 @@ function complete_methods(ex_org::Expr)
 end
 
 include("latex_symbols.jl")
+include("emoji_symbols.jl")
 
 const non_identifier_chars = [" \t\n\r\"\\'`\$><=:;|&{}()[],+-*/?%^~"...]
 const whitespace_chars = [" \t\n\r"...]
@@ -253,17 +254,26 @@ function afterusing(string::ByteString, startpos::Int)
     return ismatch(r"^\b(using|import)\s*(\w+\s*,\s*)*\w*$", str[fr:end])
 end
 
-function latex_completions(string, pos)
+function bslash_completions(string, pos)
     slashpos = rsearch(string, '\\', pos)
-    if rsearch(string, whitespace_chars, pos) < slashpos && !(1 < slashpos && (string[prevind(string, slashpos)]=='\\'))
-        # latex symbol substitution
+    if (rsearch(string, whitespace_chars, pos) < slashpos &&
+        !(1 < slashpos && (string[prevind(string, slashpos)]=='\\')))
+        # latex / emoji symbol substitution
         s = string[slashpos:pos]
         latex = get(latex_symbols, s, "")
         if !isempty(latex) # complete an exact match
             return (true, ([latex], slashpos:pos, true))
-        else
-            # return possible matches; these cannot be mixed with regular
-            # Julian completions as only latex symbols contain the leading \
+        end
+        emoji = get(emoji_symbols, s, "")
+        if !isempty(emoji)
+            return (true, ([emoji], slashpos:pos, true))
+        end
+        # return possible matches; these cannot be mixed with regular
+        # Julian completions as only latex / emoji symbols contain the leading \
+        if startswith(s, "\\:") # emoji
+            emoji_names = filter(k -> startswith(k, s), keys(emoji_symbols))
+            return (true, (sort!(collect(emoji_names)), slashpos:pos, true))
+        else # latex
             latex_names = filter(k -> startswith(k, s), keys(latex_symbols))
             return (true, (sort!(collect(latex_names)), slashpos:pos, true))
         end
@@ -290,9 +300,10 @@ function completions(string, pos)
         (success || inc_tag==:cmd) && return sort(paths), r, success
     end
 
-    ok, ret = latex_completions(string, pos)
+    ok, ret = bslash_completions(string, pos)
     ok && return ret
-    # Make sure that only latex_completions is working on strings
+
+    # Make sure that only bslash_completions is working on strings
     inc_tag==:string && return UTF8String[], 0:-1, false
 
      if inc_tag == :other && should_method_complete(partial)
diff --git a/base/emoji_symbols.jl b/base/emoji_symbols.jl
new file mode 100644
index 0000000000000..035f5a591c070
--- /dev/null
+++ b/base/emoji_symbols.jl
@@ -0,0 +1,857 @@
+#=
+import JSON
+emojis = JSON.parsefile(download("https://raw.githubusercontent.com/iamcal/emoji-data/0f0cf4ea8845eb52d26df2a48c3c31c3b8cad14e/emoji_pretty.json"))
+
+result = Dict()
+for emj in emojis
+    name = "\\:" * emj["short_name"] * ":"
+    unicode = emj["unified"]
+    if '-' in unicode
+        continue
+    end
+    result[name] = "$(Char(parse(UInt32, unicode, 16)))"
+end
+
+skeys = sort(collect(keys(result)))
+
+open("emoji_symbols.jl", "w") do fh
+    println(fh, "const emoji_symbols = Dict(")
+    for key in skeys
+        println(fh, "    \"", escape_string(key), "\" => \"",
+                 escape_string(result[key]), "\",")
+    end
+    println(fh, ")")
+end
+=#
+
+const emoji_symbols = Dict(
+    "\\:+1:" => "👍",
+    "\\:-1:" => "👎",
+    "\\:100:" => "💯",
+    "\\:1234:" => "🔢",
+    "\\:8ball:" => "🎱",
+    "\\:a:" => "🅰",
+    "\\:ab:" => "🆎",
+    "\\:abc:" => "🔤",
+    "\\:abcd:" => "🔡",
+    "\\:accept:" => "🉑",
+    "\\:aerial_tramway:" => "🚡",
+    "\\:airplane:" => "✈",
+    "\\:alarm_clock:" => "⏰",
+    "\\:alien:" => "👽",
+    "\\:ambulance:" => "🚑",
+    "\\:anchor:" => "⚓",
+    "\\:angel:" => "👼",
+    "\\:anger:" => "💢",
+    "\\:angry:" => "😠",
+    "\\:anguished:" => "😧",
+    "\\:ant:" => "🐜",
+    "\\:apple:" => "🍎",
+    "\\:aquarius:" => "♒",
+    "\\:aries:" => "♈",
+    "\\:arrow_backward:" => "◀",
+    "\\:arrow_double_down:" => "⏬",
+    "\\:arrow_double_up:" => "⏫",
+    "\\:arrow_down:" => "⬇",
+    "\\:arrow_down_small:" => "🔽",
+    "\\:arrow_forward:" => "▶",
+    "\\:arrow_heading_down:" => "⤵",
+    "\\:arrow_heading_up:" => "⤴",
+    "\\:arrow_left:" => "⬅",
+    "\\:arrow_lower_left:" => "↙",
+    "\\:arrow_lower_right:" => "↘",
+    "\\:arrow_right:" => "➡",
+    "\\:arrow_right_hook:" => "↪",
+    "\\:arrow_up:" => "⬆",
+    "\\:arrow_up_down:" => "↕",
+    "\\:arrow_up_small:" => "🔼",
+    "\\:arrow_upper_left:" => "↖",
+    "\\:arrow_upper_right:" => "↗",
+    "\\:arrows_clockwise:" => "🔃",
+    "\\:arrows_counterclockwise:" => "🔄",
+    "\\:art:" => "🎨",
+    "\\:articulated_lorry:" => "🚛",
+    "\\:astonished:" => "😲",
+    "\\:athletic_shoe:" => "👟",
+    "\\:atm:" => "🏧",
+    "\\:b:" => "🅱",
+    "\\:baby:" => "👶",
+    "\\:baby_bottle:" => "🍼",
+    "\\:baby_chick:" => "🐤",
+    "\\:baby_symbol:" => "🚼",
+    "\\:back:" => "🔙",
+    "\\:baggage_claim:" => "🛄",
+    "\\:balloon:" => "🎈",
+    "\\:ballot_box_with_check:" => "☑",
+    "\\:bamboo:" => "🎍",
+    "\\:banana:" => "🍌",
+    "\\:bangbang:" => "‼",
+    "\\:bank:" => "🏦",
+    "\\:bar_chart:" => "📊",
+    "\\:barber:" => "💈",
+    "\\:baseball:" => "⚾",
+    "\\:basketball:" => "🏀",
+    "\\:bath:" => "🛀",
+    "\\:bathtub:" => "🛁",
+    "\\:battery:" => "🔋",
+    "\\:bear:" => "🐻",
+    "\\:bee:" => "🐝",
+    "\\:beer:" => "🍺",
+    "\\:beers:" => "🍻",
+    "\\:beetle:" => "🐞",
+    "\\:beginner:" => "🔰",
+    "\\:bell:" => "🔔",
+    "\\:bento:" => "🍱",
+    "\\:bicyclist:" => "🚴",
+    "\\:bike:" => "🚲",
+    "\\:bikini:" => "👙",
+    "\\:bird:" => "🐦",
+    "\\:birthday:" => "🎂",
+    "\\:black_circle:" => "⚫",
+    "\\:black_joker:" => "🃏",
+    "\\:black_large_square:" => "⬛",
+    "\\:black_medium_small_square:" => "◾",
+    "\\:black_medium_square:" => "◼",
+    "\\:black_nib:" => "✒",
+    "\\:black_small_square:" => "▪",
+    "\\:black_square_button:" => "🔲",
+    "\\:blossom:" => "🌼",
+    "\\:blowfish:" => "🐡",
+    "\\:blue_book:" => "📘",
+    "\\:blue_car:" => "🚙",
+    "\\:blue_heart:" => "💙",
+    "\\:blush:" => "😊",
+    "\\:boar:" => "🐗",
+    "\\:boat:" => "⛵",
+    "\\:bomb:" => "💣",
+    "\\:book:" => "📖",
+    "\\:bookmark:" => "🔖",
+    "\\:bookmark_tabs:" => "📑",
+    "\\:books:" => "📚",
+    "\\:boom:" => "💥",
+    "\\:boot:" => "👢",
+    "\\:bouquet:" => "💐",
+    "\\:bow:" => "🙇",
+    "\\:bowling:" => "🎳",
+    "\\:boy:" => "👦",
+    "\\:bread:" => "🍞",
+    "\\:bride_with_veil:" => "👰",
+    "\\:bridge_at_night:" => "🌉",
+    "\\:briefcase:" => "💼",
+    "\\:broken_heart:" => "💔",
+    "\\:bug:" => "🐛",
+    "\\:bulb:" => "💡",
+    "\\:bullettrain_front:" => "🚅",
+    "\\:bullettrain_side:" => "🚄",
+    "\\:bus:" => "🚌",
+    "\\:busstop:" => "🚏",
+    "\\:bust_in_silhouette:" => "👤",
+    "\\:busts_in_silhouette:" => "👥",
+    "\\:cactus:" => "🌵",
+    "\\:cake:" => "🍰",
+    "\\:calendar:" => "📆",
+    "\\:calling:" => "📲",
+    "\\:camel:" => "🐫",
+    "\\:camera:" => "📷",
+    "\\:cancer:" => "♋",
+    "\\:candy:" => "🍬",
+    "\\:capital_abcd:" => "🔠",
+    "\\:capricorn:" => "♑",
+    "\\:car:" => "🚗",
+    "\\:card_index:" => "📇",
+    "\\:carousel_horse:" => "🎠",
+    "\\:cat2:" => "🐈",
+    "\\:cat:" => "🐱",
+    "\\:cd:" => "💿",
+    "\\:chart:" => "💹",
+    "\\:chart_with_downwards_trend:" => "📉",
+    "\\:chart_with_upwards_trend:" => "📈",
+    "\\:checkered_flag:" => "🏁",
+    "\\:cherries:" => "🍒",
+    "\\:cherry_blossom:" => "🌸",
+    "\\:chestnut:" => "🌰",
+    "\\:chicken:" => "🐔",
+    "\\:children_crossing:" => "🚸",
+    "\\:chocolate_bar:" => "🍫",
+    "\\:christmas_tree:" => "🎄",
+    "\\:church:" => "⛪",
+    "\\:cinema:" => "🎦",
+    "\\:circus_tent:" => "🎪",
+    "\\:city_sunrise:" => "🌇",
+    "\\:city_sunset:" => "🌆",
+    "\\:cl:" => "🆑",
+    "\\:clap:" => "👏",
+    "\\:clapper:" => "🎬",
+    "\\:clipboard:" => "📋",
+    "\\:clock1030:" => "🕥",
+    "\\:clock10:" => "🕙",
+    "\\:clock1130:" => "🕦",
+    "\\:clock11:" => "🕚",
+    "\\:clock1230:" => "🕧",
+    "\\:clock12:" => "🕛",
+    "\\:clock130:" => "🕜",
+    "\\:clock1:" => "🕐",
+    "\\:clock230:" => "🕝",
+    "\\:clock2:" => "🕑",
+    "\\:clock330:" => "🕞",
+    "\\:clock3:" => "🕒",
+    "\\:clock430:" => "🕟",
+    "\\:clock4:" => "🕓",
+    "\\:clock530:" => "🕠",
+    "\\:clock5:" => "🕔",
+    "\\:clock630:" => "🕡",
+    "\\:clock6:" => "🕕",
+    "\\:clock730:" => "🕢",
+    "\\:clock7:" => "🕖",
+    "\\:clock830:" => "🕣",
+    "\\:clock8:" => "🕗",
+    "\\:clock930:" => "🕤",
+    "\\:clock9:" => "🕘",
+    "\\:closed_book:" => "📕",
+    "\\:closed_lock_with_key:" => "🔐",
+    "\\:closed_umbrella:" => "🌂",
+    "\\:cloud:" => "☁",
+    "\\:clubs:" => "♣",
+    "\\:cocktail:" => "🍸",
+    "\\:coffee:" => "☕",
+    "\\:cold_sweat:" => "😰",
+    "\\:computer:" => "💻",
+    "\\:confetti_ball:" => "🎊",
+    "\\:confounded:" => "😖",
+    "\\:confused:" => "😕",
+    "\\:congratulations:" => "㊗",
+    "\\:construction:" => "🚧",
+    "\\:construction_worker:" => "👷",
+    "\\:convenience_store:" => "🏪",
+    "\\:cookie:" => "🍪",
+    "\\:cool:" => "🆒",
+    "\\:cop:" => "👮",
+    "\\:copyright:" => "©",
+    "\\:corn:" => "🌽",
+    "\\:couple:" => "👫",
+    "\\:couple_with_heart:" => "💑",
+    "\\:couplekiss:" => "💏",
+    "\\:cow2:" => "🐄",
+    "\\:cow:" => "🐮",
+    "\\:credit_card:" => "💳",
+    "\\:crescent_moon:" => "🌙",
+    "\\:crocodile:" => "🐊",
+    "\\:crossed_flags:" => "🎌",
+    "\\:crown:" => "👑",
+    "\\:cry:" => "😢",
+    "\\:crying_cat_face:" => "😿",
+    "\\:crystal_ball:" => "🔮",
+    "\\:cupid:" => "💘",
+    "\\:curly_loop:" => "➰",
+    "\\:currency_exchange:" => "💱",
+    "\\:curry:" => "🍛",
+    "\\:custard:" => "🍮",
+    "\\:customs:" => "🛃",
+    "\\:cyclone:" => "🌀",
+    "\\:dancer:" => "💃",
+    "\\:dancers:" => "👯",
+    "\\:dango:" => "🍡",
+    "\\:dart:" => "🎯",
+    "\\:dash:" => "💨",
+    "\\:date:" => "📅",
+    "\\:deciduous_tree:" => "🌳",
+    "\\:department_store:" => "🏬",
+    "\\:diamond_shape_with_a_dot_inside:" => "💠",
+    "\\:diamonds:" => "♦",
+    "\\:disappointed:" => "😞",
+    "\\:disappointed_relieved:" => "😥",
+    "\\:dizzy:" => "💫",
+    "\\:dizzy_face:" => "😵",
+    "\\:do_not_litter:" => "🚯",
+    "\\:dog2:" => "🐕",
+    "\\:dog:" => "🐶",
+    "\\:dollar:" => "💵",
+    "\\:dolls:" => "🎎",
+    "\\:dolphin:" => "🐬",
+    "\\:door:" => "🚪",
+    "\\:doughnut:" => "🍩",
+    "\\:dragon:" => "🐉",
+    "\\:dragon_face:" => "🐲",
+    "\\:dress:" => "👗",
+    "\\:dromedary_camel:" => "🐪",
+    "\\:droplet:" => "💧",
+    "\\:dvd:" => "📀",
+    "\\:e-mail:" => "📧",
+    "\\:ear:" => "👂",
+    "\\:ear_of_rice:" => "🌾",
+    "\\:earth_africa:" => "🌍",
+    "\\:earth_americas:" => "🌎",
+    "\\:earth_asia:" => "🌏",
+    "\\:egg:" => "🍳",
+    "\\:eggplant:" => "🍆",
+    "\\:eight_pointed_black_star:" => "✴",
+    "\\:eight_spoked_asterisk:" => "✳",
+    "\\:electric_plug:" => "🔌",
+    "\\:elephant:" => "🐘",
+    "\\:email:" => "✉",
+    "\\:end:" => "🔚",
+    "\\:envelope_with_arrow:" => "📩",
+    "\\:euro:" => "💶",
+    "\\:european_castle:" => "🏰",
+    "\\:european_post_office:" => "🏤",
+    "\\:evergreen_tree:" => "🌲",
+    "\\:exclamation:" => "❗",
+    "\\:expressionless:" => "😑",
+    "\\:eyeglasses:" => "👓",
+    "\\:eyes:" => "👀",
+    "\\:facepunch:" => "👊",
+    "\\:factory:" => "🏭",
+    "\\:fallen_leaf:" => "🍂",
+    "\\:family:" => "👪",
+    "\\:fast_forward:" => "⏩",
+    "\\:fax:" => "📠",
+    "\\:fearful:" => "😨",
+    "\\:feet:" => "🐾",
+    "\\:ferris_wheel:" => "🎡",
+    "\\:file_folder:" => "📁",
+    "\\:fire:" => "🔥",
+    "\\:fire_engine:" => "🚒",
+    "\\:fireworks:" => "🎆",
+    "\\:first_quarter_moon:" => "🌓",
+    "\\:first_quarter_moon_with_face:" => "🌛",
+    "\\:fish:" => "🐟",
+    "\\:fish_cake:" => "🍥",
+    "\\:fishing_pole_and_fish:" => "🎣",
+    "\\:fist:" => "✊",
+    "\\:flags:" => "🎏",
+    "\\:flashlight:" => "🔦",
+    "\\:floppy_disk:" => "💾",
+    "\\:flower_playing_cards:" => "🎴",
+    "\\:flushed:" => "😳",
+    "\\:foggy:" => "🌁",
+    "\\:football:" => "🏈",
+    "\\:footprints:" => "👣",
+    "\\:fork_and_knife:" => "🍴",
+    "\\:fountain:" => "⛲",
+    "\\:four_leaf_clover:" => "🍀",
+    "\\:free:" => "🆓",
+    "\\:fried_shrimp:" => "🍤",
+    "\\:fries:" => "🍟",
+    "\\:frog:" => "🐸",
+    "\\:frowning:" => "😦",
+    "\\:fuelpump:" => "⛽",
+    "\\:full_moon:" => "🌕",
+    "\\:full_moon_with_face:" => "🌝",
+    "\\:game_die:" => "🎲",
+    "\\:gem:" => "💎",
+    "\\:gemini:" => "♊",
+    "\\:ghost:" => "👻",
+    "\\:gift:" => "🎁",
+    "\\:gift_heart:" => "💝",
+    "\\:girl:" => "👧",
+    "\\:globe_with_meridians:" => "🌐",
+    "\\:goat:" => "🐐",
+    "\\:golf:" => "⛳",
+    "\\:grapes:" => "🍇",
+    "\\:green_apple:" => "🍏",
+    "\\:green_book:" => "📗",
+    "\\:green_heart:" => "💚",
+    "\\:grey_exclamation:" => "❕",
+    "\\:grey_question:" => "❔",
+    "\\:grimacing:" => "😬",
+    "\\:grin:" => "😁",
+    "\\:grinning:" => "😀",
+    "\\:guardsman:" => "💂",
+    "\\:guitar:" => "🎸",
+    "\\:gun:" => "🔫",
+    "\\:haircut:" => "💇",
+    "\\:hamburger:" => "🍔",
+    "\\:hammer:" => "🔨",
+    "\\:hamster:" => "🐹",
+    "\\:hand:" => "✋",
+    "\\:handbag:" => "👜",
+    "\\:hankey:" => "💩",
+    "\\:hatched_chick:" => "🐥",
+    "\\:hatching_chick:" => "🐣",
+    "\\:headphones:" => "🎧",
+    "\\:hear_no_evil:" => "🙉",
+    "\\:heart:" => "❤",
+    "\\:heart_decoration:" => "💟",
+    "\\:heart_eyes:" => "😍",
+    "\\:heart_eyes_cat:" => "😻",
+    "\\:heartbeat:" => "💓",
+    "\\:heartpulse:" => "💗",
+    "\\:hearts:" => "♥",
+    "\\:heavy_check_mark:" => "✔",
+    "\\:heavy_division_sign:" => "➗",
+    "\\:heavy_dollar_sign:" => "💲",
+    "\\:heavy_minus_sign:" => "➖",
+    "\\:heavy_multiplication_x:" => "✖",
+    "\\:heavy_plus_sign:" => "➕",
+    "\\:helicopter:" => "🚁",
+    "\\:herb:" => "🌿",
+    "\\:hibiscus:" => "🌺",
+    "\\:high_brightness:" => "🔆",
+    "\\:high_heel:" => "👠",
+    "\\:hocho:" => "🔪",
+    "\\:honey_pot:" => "🍯",
+    "\\:horse:" => "🐴",
+    "\\:horse_racing:" => "🏇",
+    "\\:hospital:" => "🏥",
+    "\\:hotel:" => "🏨",
+    "\\:hotsprings:" => "♨",
+    "\\:hourglass:" => "⌛",
+    "\\:hourglass_flowing_sand:" => "⏳",
+    "\\:house:" => "🏠",
+    "\\:house_with_garden:" => "🏡",
+    "\\:hushed:" => "😯",
+    "\\:ice_cream:" => "🍨",
+    "\\:icecream:" => "🍦",
+    "\\:id:" => "🆔",
+    "\\:ideograph_advantage:" => "🉐",
+    "\\:imp:" => "👿",
+    "\\:inbox_tray:" => "📥",
+    "\\:incoming_envelope:" => "📨",
+    "\\:information_desk_person:" => "💁",
+    "\\:information_source:" => "ℹ",
+    "\\:innocent:" => "😇",
+    "\\:interrobang:" => "⁉",
+    "\\:iphone:" => "📱",
+    "\\:izakaya_lantern:" => "🏮",
+    "\\:jack_o_lantern:" => "🎃",
+    "\\:japan:" => "🗾",
+    "\\:japanese_castle:" => "🏯",
+    "\\:japanese_goblin:" => "👺",
+    "\\:japanese_ogre:" => "👹",
+    "\\:jeans:" => "👖",
+    "\\:joy:" => "😂",
+    "\\:joy_cat:" => "😹",
+    "\\:key:" => "🔑",
+    "\\:keycap_ten:" => "🔟",
+    "\\:kimono:" => "👘",
+    "\\:kiss:" => "💋",
+    "\\:kissing:" => "😗",
+    "\\:kissing_cat:" => "😽",
+    "\\:kissing_closed_eyes:" => "😚",
+    "\\:kissing_heart:" => "😘",
+    "\\:kissing_smiling_eyes:" => "😙",
+    "\\:koala:" => "🐨",
+    "\\:koko:" => "🈁",
+    "\\:large_blue_circle:" => "🔵",
+    "\\:large_blue_diamond:" => "🔷",
+    "\\:large_orange_diamond:" => "🔶",
+    "\\:last_quarter_moon:" => "🌗",
+    "\\:last_quarter_moon_with_face:" => "🌜",
+    "\\:laughing:" => "😆",
+    "\\:leaves:" => "🍃",
+    "\\:ledger:" => "📒",
+    "\\:left_luggage:" => "🛅",
+    "\\:left_right_arrow:" => "↔",
+    "\\:leftwards_arrow_with_hook:" => "↩",
+    "\\:lemon:" => "🍋",
+    "\\:leo:" => "♌",
+    "\\:leopard:" => "🐆",
+    "\\:libra:" => "♎",
+    "\\:light_rail:" => "🚈",
+    "\\:link:" => "🔗",
+    "\\:lips:" => "👄",
+    "\\:lipstick:" => "💄",
+    "\\:lock:" => "🔒",
+    "\\:lock_with_ink_pen:" => "🔏",
+    "\\:lollipop:" => "🍭",
+    "\\:loop:" => "➿",
+    "\\:loud_sound:" => "🔊",
+    "\\:loudspeaker:" => "📢",
+    "\\:love_hotel:" => "🏩",
+    "\\:love_letter:" => "💌",
+    "\\:low_brightness:" => "🔅",
+    "\\:m:" => "Ⓜ",
+    "\\:mag:" => "🔍",
+    "\\:mag_right:" => "🔎",
+    "\\:mahjong:" => "🀄",
+    "\\:mailbox:" => "📫",
+    "\\:mailbox_closed:" => "📪",
+    "\\:mailbox_with_mail:" => "📬",
+    "\\:mailbox_with_no_mail:" => "📭",
+    "\\:man:" => "👨",
+    "\\:man_with_gua_pi_mao:" => "👲",
+    "\\:man_with_turban:" => "👳",
+    "\\:mans_shoe:" => "👞",
+    "\\:maple_leaf:" => "🍁",
+    "\\:mask:" => "😷",
+    "\\:massage:" => "💆",
+    "\\:meat_on_bone:" => "🍖",
+    "\\:mega:" => "📣",
+    "\\:melon:" => "🍈",
+    "\\:memo:" => "📝",
+    "\\:mens:" => "🚹",
+    "\\:metro:" => "🚇",
+    "\\:microphone:" => "🎤",
+    "\\:microscope:" => "🔬",
+    "\\:milky_way:" => "🌌",
+    "\\:minibus:" => "🚐",
+    "\\:minidisc:" => "💽",
+    "\\:mobile_phone_off:" => "📴",
+    "\\:money_with_wings:" => "💸",
+    "\\:moneybag:" => "💰",
+    "\\:monkey:" => "🐒",
+    "\\:monkey_face:" => "🐵",
+    "\\:monorail:" => "🚝",
+    "\\:moon:" => "🌔",
+    "\\:mortar_board:" => "🎓",
+    "\\:mount_fuji:" => "🗻",
+    "\\:mountain_bicyclist:" => "🚵",
+    "\\:mountain_cableway:" => "🚠",
+    "\\:mountain_railway:" => "🚞",
+    "\\:mouse2:" => "🐁",
+    "\\:mouse:" => "🐭",
+    "\\:movie_camera:" => "🎥",
+    "\\:moyai:" => "🗿",
+    "\\:muscle:" => "💪",
+    "\\:mushroom:" => "🍄",
+    "\\:musical_keyboard:" => "🎹",
+    "\\:musical_note:" => "🎵",
+    "\\:musical_score:" => "🎼",
+    "\\:mute:" => "🔇",
+    "\\:nail_care:" => "💅",
+    "\\:name_badge:" => "📛",
+    "\\:necktie:" => "👔",
+    "\\:negative_squared_cross_mark:" => "❎",
+    "\\:neutral_face:" => "😐",
+    "\\:new:" => "🆕",
+    "\\:new_moon:" => "🌑",
+    "\\:new_moon_with_face:" => "🌚",
+    "\\:newspaper:" => "📰",
+    "\\:ng:" => "🆖",
+    "\\:night_with_stars:" => "🌃",
+    "\\:no_bell:" => "🔕",
+    "\\:no_bicycles:" => "🚳",
+    "\\:no_entry:" => "⛔",
+    "\\:no_entry_sign:" => "🚫",
+    "\\:no_good:" => "🙅",
+    "\\:no_mobile_phones:" => "📵",
+    "\\:no_mouth:" => "😶",
+    "\\:no_pedestrians:" => "🚷",
+    "\\:no_smoking:" => "🚭",
+    "\\:non-potable_water:" => "🚱",
+    "\\:nose:" => "👃",
+    "\\:notebook:" => "📓",
+    "\\:notebook_with_decorative_cover:" => "📔",
+    "\\:notes:" => "🎶",
+    "\\:nut_and_bolt:" => "🔩",
+    "\\:o2:" => "🅾",
+    "\\:o:" => "⭕",
+    "\\:ocean:" => "🌊",
+    "\\:octopus:" => "🐙",
+    "\\:oden:" => "🍢",
+    "\\:office:" => "🏢",
+    "\\:ok:" => "🆗",
+    "\\:ok_hand:" => "👌",
+    "\\:ok_woman:" => "🙆",
+    "\\:older_man:" => "👴",
+    "\\:older_woman:" => "👵",
+    "\\:on:" => "🔛",
+    "\\:oncoming_automobile:" => "🚘",
+    "\\:oncoming_bus:" => "🚍",
+    "\\:oncoming_police_car:" => "🚔",
+    "\\:oncoming_taxi:" => "🚖",
+    "\\:open_file_folder:" => "📂",
+    "\\:open_hands:" => "👐",
+    "\\:open_mouth:" => "😮",
+    "\\:ophiuchus:" => "⛎",
+    "\\:orange_book:" => "📙",
+    "\\:outbox_tray:" => "📤",
+    "\\:ox:" => "🐂",
+    "\\:package:" => "📦",
+    "\\:page_facing_up:" => "📄",
+    "\\:page_with_curl:" => "📃",
+    "\\:pager:" => "📟",
+    "\\:palm_tree:" => "🌴",
+    "\\:panda_face:" => "🐼",
+    "\\:paperclip:" => "📎",
+    "\\:parking:" => "🅿",
+    "\\:part_alternation_mark:" => "〽",
+    "\\:partly_sunny:" => "⛅",
+    "\\:passport_control:" => "🛂",
+    "\\:peach:" => "🍑",
+    "\\:pear:" => "🍐",
+    "\\:pencil2:" => "✏",
+    "\\:penguin:" => "🐧",
+    "\\:pensive:" => "😔",
+    "\\:performing_arts:" => "🎭",
+    "\\:persevere:" => "😣",
+    "\\:person_frowning:" => "🙍",
+    "\\:person_with_blond_hair:" => "👱",
+    "\\:person_with_pouting_face:" => "🙎",
+    "\\:phone:" => "☎",
+    "\\:pig2:" => "🐖",
+    "\\:pig:" => "🐷",
+    "\\:pig_nose:" => "🐽",
+    "\\:pill:" => "💊",
+    "\\:pineapple:" => "🍍",
+    "\\:pisces:" => "♓",
+    "\\:pizza:" => "🍕",
+    "\\:point_down:" => "👇",
+    "\\:point_left:" => "👈",
+    "\\:point_right:" => "👉",
+    "\\:point_up:" => "☝",
+    "\\:point_up_2:" => "👆",
+    "\\:police_car:" => "🚓",
+    "\\:poodle:" => "🐩",
+    "\\:post_office:" => "🏣",
+    "\\:postal_horn:" => "📯",
+    "\\:postbox:" => "📮",
+    "\\:potable_water:" => "🚰",
+    "\\:pouch:" => "👝",
+    "\\:poultry_leg:" => "🍗",
+    "\\:pound:" => "💷",
+    "\\:pouting_cat:" => "😾",
+    "\\:pray:" => "🙏",
+    "\\:princess:" => "👸",
+    "\\:purple_heart:" => "💜",
+    "\\:purse:" => "👛",
+    "\\:pushpin:" => "📌",
+    "\\:put_litter_in_its_place:" => "🚮",
+    "\\:question:" => "❓",
+    "\\:rabbit2:" => "🐇",
+    "\\:rabbit:" => "🐰",
+    "\\:racehorse:" => "🐎",
+    "\\:radio:" => "📻",
+    "\\:radio_button:" => "🔘",
+    "\\:rage:" => "😡",
+    "\\:railway_car:" => "🚃",
+    "\\:rainbow:" => "🌈",
+    "\\:raised_hands:" => "🙌",
+    "\\:raising_hand:" => "🙋",
+    "\\:ram:" => "🐏",
+    "\\:ramen:" => "🍜",
+    "\\:rat:" => "🐀",
+    "\\:recycle:" => "♻",
+    "\\:red_circle:" => "🔴",
+    "\\:registered:" => "®",
+    "\\:relaxed:" => "☺",
+    "\\:relieved:" => "😌",
+    "\\:repeat:" => "🔁",
+    "\\:repeat_one:" => "🔂",
+    "\\:restroom:" => "🚻",
+    "\\:revolving_hearts:" => "💞",
+    "\\:rewind:" => "⏪",
+    "\\:ribbon:" => "🎀",
+    "\\:rice:" => "🍚",
+    "\\:rice_ball:" => "🍙",
+    "\\:rice_cracker:" => "🍘",
+    "\\:rice_scene:" => "🎑",
+    "\\:ring:" => "💍",
+    "\\:rocket:" => "🚀",
+    "\\:roller_coaster:" => "🎢",
+    "\\:rooster:" => "🐓",
+    "\\:rose:" => "🌹",
+    "\\:rotating_light:" => "🚨",
+    "\\:round_pushpin:" => "📍",
+    "\\:rowboat:" => "🚣",
+    "\\:rugby_football:" => "🏉",
+    "\\:runner:" => "🏃",
+    "\\:running_shirt_with_sash:" => "🎽",
+    "\\:sa:" => "🈂",
+    "\\:sagittarius:" => "♐",
+    "\\:sake:" => "🍶",
+    "\\:sandal:" => "👡",
+    "\\:santa:" => "🎅",
+    "\\:satellite:" => "📡",
+    "\\:saxophone:" => "🎷",
+    "\\:school:" => "🏫",
+    "\\:school_satchel:" => "🎒",
+    "\\:scissors:" => "✂",
+    "\\:scorpius:" => "♏",
+    "\\:scream:" => "😱",
+    "\\:scream_cat:" => "🙀",
+    "\\:scroll:" => "📜",
+    "\\:seat:" => "💺",
+    "\\:secret:" => "㊙",
+    "\\:see_no_evil:" => "🙈",
+    "\\:seedling:" => "🌱",
+    "\\:shaved_ice:" => "🍧",
+    "\\:sheep:" => "🐑",
+    "\\:shell:" => "🐚",
+    "\\:ship:" => "🚢",
+    "\\:shirt:" => "👕",
+    "\\:shower:" => "🚿",
+    "\\:signal_strength:" => "📶",
+    "\\:six_pointed_star:" => "🔯",
+    "\\:ski:" => "🎿",
+    "\\:skin-tone-2:" => "\U1f3fb",
+    "\\:skin-tone-3:" => "\U1f3fc",
+    "\\:skin-tone-4:" => "\U1f3fd",
+    "\\:skin-tone-5:" => "\U1f3fe",
+    "\\:skin-tone-6:" => "\U1f3ff",
+    "\\:skull:" => "💀",
+    "\\:sleeping:" => "😴",
+    "\\:sleepy:" => "😪",
+    "\\:slot_machine:" => "🎰",
+    "\\:small_blue_diamond:" => "🔹",
+    "\\:small_orange_diamond:" => "🔸",
+    "\\:small_red_triangle:" => "🔺",
+    "\\:small_red_triangle_down:" => "🔻",
+    "\\:smile:" => "😄",
+    "\\:smile_cat:" => "😸",
+    "\\:smiley:" => "😃",
+    "\\:smiley_cat:" => "😺",
+    "\\:smiling_imp:" => "😈",
+    "\\:smirk:" => "😏",
+    "\\:smirk_cat:" => "😼",
+    "\\:smoking:" => "🚬",
+    "\\:snail:" => "🐌",
+    "\\:snake:" => "🐍",
+    "\\:snowboarder:" => "🏂",
+    "\\:snowflake:" => "❄",
+    "\\:snowman:" => "⛄",
+    "\\:sob:" => "😭",
+    "\\:soccer:" => "⚽",
+    "\\:soon:" => "🔜",
+    "\\:sos:" => "🆘",
+    "\\:sound:" => "🔉",
+    "\\:space_invader:" => "👾",
+    "\\:spades:" => "♠",
+    "\\:spaghetti:" => "🍝",
+    "\\:sparkle:" => "❇",
+    "\\:sparkler:" => "🎇",
+    "\\:sparkles:" => "✨",
+    "\\:sparkling_heart:" => "💖",
+    "\\:speak_no_evil:" => "🙊",
+    "\\:speaker:" => "🔈",
+    "\\:speech_balloon:" => "💬",
+    "\\:speedboat:" => "🚤",
+    "\\:star2:" => "🌟",
+    "\\:star:" => "⭐",
+    "\\:stars:" => "🌠",
+    "\\:station:" => "🚉",
+    "\\:statue_of_liberty:" => "🗽",
+    "\\:steam_locomotive:" => "🚂",
+    "\\:stew:" => "🍲",
+    "\\:straight_ruler:" => "📏",
+    "\\:strawberry:" => "🍓",
+    "\\:stuck_out_tongue:" => "😛",
+    "\\:stuck_out_tongue_closed_eyes:" => "😝",
+    "\\:stuck_out_tongue_winking_eye:" => "😜",
+    "\\:sun_with_face:" => "🌞",
+    "\\:sunflower:" => "🌻",
+    "\\:sunglasses:" => "😎",
+    "\\:sunny:" => "☀",
+    "\\:sunrise:" => "🌅",
+    "\\:sunrise_over_mountains:" => "🌄",
+    "\\:surfer:" => "🏄",
+    "\\:sushi:" => "🍣",
+    "\\:suspension_railway:" => "🚟",
+    "\\:sweat:" => "😓",
+    "\\:sweat_drops:" => "💦",
+    "\\:sweat_smile:" => "😅",
+    "\\:sweet_potato:" => "🍠",
+    "\\:swimmer:" => "🏊",
+    "\\:symbols:" => "🔣",
+    "\\:syringe:" => "💉",
+    "\\:tada:" => "🎉",
+    "\\:tanabata_tree:" => "🎋",
+    "\\:tangerine:" => "🍊",
+    "\\:taurus:" => "♉",
+    "\\:taxi:" => "🚕",
+    "\\:tea:" => "🍵",
+    "\\:telephone_receiver:" => "📞",
+    "\\:telescope:" => "🔭",
+    "\\:tennis:" => "🎾",
+    "\\:tent:" => "⛺",
+    "\\:thought_balloon:" => "💭",
+    "\\:ticket:" => "🎫",
+    "\\:tiger2:" => "🐅",
+    "\\:tiger:" => "🐯",
+    "\\:tired_face:" => "😫",
+    "\\:tm:" => "™",
+    "\\:toilet:" => "🚽",
+    "\\:tokyo_tower:" => "🗼",
+    "\\:tomato:" => "🍅",
+    "\\:tongue:" => "👅",
+    "\\:top:" => "🔝",
+    "\\:tophat:" => "🎩",
+    "\\:tractor:" => "🚜",
+    "\\:traffic_light:" => "🚥",
+    "\\:train2:" => "🚆",
+    "\\:train:" => "🚋",
+    "\\:tram:" => "🚊",
+    "\\:triangular_flag_on_post:" => "🚩",
+    "\\:triangular_ruler:" => "📐",
+    "\\:trident:" => "🔱",
+    "\\:triumph:" => "😤",
+    "\\:trolleybus:" => "🚎",
+    "\\:trophy:" => "🏆",
+    "\\:tropical_drink:" => "🍹",
+    "\\:tropical_fish:" => "🐠",
+    "\\:truck:" => "🚚",
+    "\\:trumpet:" => "🎺",
+    "\\:tulip:" => "🌷",
+    "\\:turtle:" => "🐢",
+    "\\:tv:" => "📺",
+    "\\:twisted_rightwards_arrows:" => "🔀",
+    "\\:two_hearts:" => "💕",
+    "\\:two_men_holding_hands:" => "👬",
+    "\\:two_women_holding_hands:" => "👭",
+    "\\:u5272:" => "🈹",
+    "\\:u5408:" => "🈴",
+    "\\:u55b6:" => "🈺",
+    "\\:u6307:" => "🈯",
+    "\\:u6708:" => "🈷",
+    "\\:u6709:" => "🈶",
+    "\\:u6e80:" => "🈵",
+    "\\:u7121:" => "🈚",
+    "\\:u7533:" => "🈸",
+    "\\:u7981:" => "🈲",
+    "\\:u7a7a:" => "🈳",
+    "\\:umbrella:" => "☔",
+    "\\:unamused:" => "😒",
+    "\\:underage:" => "🔞",
+    "\\:unlock:" => "🔓",
+    "\\:up:" => "🆙",
+    "\\:v:" => "✌",
+    "\\:vertical_traffic_light:" => "🚦",
+    "\\:vhs:" => "📼",
+    "\\:vibration_mode:" => "📳",
+    "\\:video_camera:" => "📹",
+    "\\:video_game:" => "🎮",
+    "\\:violin:" => "🎻",
+    "\\:virgo:" => "♍",
+    "\\:volcano:" => "🌋",
+    "\\:vs:" => "🆚",
+    "\\:walking:" => "🚶",
+    "\\:waning_crescent_moon:" => "🌘",
+    "\\:waning_gibbous_moon:" => "🌖",
+    "\\:warning:" => "⚠",
+    "\\:watch:" => "⌚",
+    "\\:water_buffalo:" => "🐃",
+    "\\:watermelon:" => "🍉",
+    "\\:wave:" => "👋",
+    "\\:wavy_dash:" => "〰",
+    "\\:waxing_crescent_moon:" => "🌒",
+    "\\:wc:" => "🚾",
+    "\\:weary:" => "😩",
+    "\\:wedding:" => "💒",
+    "\\:whale2:" => "🐋",
+    "\\:whale:" => "🐳",
+    "\\:wheelchair:" => "♿",
+    "\\:white_check_mark:" => "✅",
+    "\\:white_circle:" => "⚪",
+    "\\:white_flower:" => "💮",
+    "\\:white_large_square:" => "⬜",
+    "\\:white_medium_small_square:" => "◽",
+    "\\:white_medium_square:" => "◻",
+    "\\:white_small_square:" => "▫",
+    "\\:white_square_button:" => "🔳",
+    "\\:wind_chime:" => "🎐",
+    "\\:wine_glass:" => "🍷",
+    "\\:wink:" => "😉",
+    "\\:wolf:" => "🐺",
+    "\\:woman:" => "👩",
+    "\\:womans_clothes:" => "👚",
+    "\\:womans_hat:" => "👒",
+    "\\:womens:" => "🚺",
+    "\\:worried:" => "😟",
+    "\\:wrench:" => "🔧",
+    "\\:x:" => "❌",
+    "\\:yellow_heart:" => "💛",
+    "\\:yen:" => "💴",
+    "\\:yum:" => "😋",
+    "\\:zap:" => "⚡",
+    "\\:zzz:" => "💤",
+)
diff --git a/test/replcompletions.jl b/test/replcompletions.jl
index ae05254fbb450..d1e093d59f34b 100644
--- a/test/replcompletions.jl
+++ b/test/replcompletions.jl
@@ -48,7 +48,7 @@ end
 
 test_complete(s) = completions(s,endof(s))
 test_scomplete(s) = shell_completions(s,endof(s))
-test_latexcomplete(s) = latex_completions(s,endof(s))[2]
+test_bslashcomplete(s) = bslash_completions(s,endof(s))[2]
 
 s = ""
 c,r = test_complete(s)
@@ -118,18 +118,32 @@ c,r,res = test_complete(s)
 
 # test latex symbol completions
 s = "\\alpha"
-c,r = test_latexcomplete(s)
+c,r = test_bslashcomplete(s)
 @test c[1] == "α"
 @test r == 1:length(s)
 @test length(c) == 1
 
 # test latex symbol completions after unicode #9209
 s = "α\\alpha"
-c,r = test_latexcomplete(s)
+c,r = test_bslashcomplete(s)
 @test c[1] == "α"
 @test r == 3:sizeof(s)
 @test length(c) == 1
 
+# test emoji symbol completions
+s = "\\:koala:"
+c,r = test_bslashcomplete(s)
+@test c[1] == "🐨"
+@test r == 1:sizeof(s)
+@test length(c) == 1
+
+# test emoji symbol completions after unicode #9209
+s = "α\\:koala:"
+c,r = test_bslashcomplete(s)
+@test c[1] == "🐨"
+@test r == 3:sizeof(s)
+@test length(c) == 1
+
 # test latex symbol completions in strings should not work when there
 # is a backslash in front of `\alpha` because it interferes with path completion on windows
 s = "cd(\"path_to_an_empty_folder_should_not_complete_latex\\\\\\alpha"