Add language support for Simula

.gitmodules

@@ -1371,6 +1371,9 @@
 [submodule "vendor/grammars/vscode-scala-syntax"]
 	path = vendor/grammars/vscode-scala-syntax
 	url = https://github.com/scala/vscode-scala-syntax
+[submodule "vendor/grammars/vscode-simula"]
+	path = vendor/grammars/vscode-simula
+	url = https://github.com/eirslett/vscode-simula.git
 [submodule "vendor/grammars/vscode-singularity"]
 	path = vendor/grammars/vscode-singularity
 	url = https://github.com/onnovalkering/vscode-singularity

grammars.yml

@@ -1234,6 +1234,8 @@ vendor/grammars/vscode-ron:
 - source.ron
 vendor/grammars/vscode-scala-syntax:
 - source.scala
+vendor/grammars/vscode-simula:
+- source.sim
 vendor/grammars/vscode-singularity:
 - source.singularity
 vendor/grammars/vscode-slice:

lib/linguist/languages.yml

@@ -6821,6 +6821,18 @@ Simple File Verification:
   codemirror_mode: properties
   codemirror_mime_type: text/x-properties
   language_id: 735623761
+Simula:
+  type: programming
+  color: "#B22F2F"
+  extensions:
+  - ".sim"
+  aliases:
+  - sim
+  tm_scope: source.simula
+  ace_mode: simula
+  codemirror_mode: simula
+  codemirror_mime_type: text/x-simula
+  language_id: 582204041
 Singularity:
   type: programming
   color: "#64E6AD"

samples/Simula/BottlesOfBeer.sim

@@ -0,0 +1,17 @@
+! License: MIT;
+begin
+    integer i;
+    for i := 99 step -1 until 1 do
+    begin
+        outint(i, 2);
+        outtext(" bottles of beer on the wall, ");
+        outint(i, 2);
+        outtext(" bottles of beer.");
+        outimage;
+        outtext("Take one down and pass it around, ");
+        outint(i - 1, 2);
+        outtext(" bottles of beer on the wall.");
+        outimage;
+    end;
+    outtext("No more bottles of beer on the wall, no more bottles of beer.");
+end-let's-drink;

samples/Simula/TicTacToe.sim

@@ -0,0 +1,108 @@
+! A simple Tic-Tac-Toe game. License: MIT;
+begin
+    ref(TicTacToe) game;
+    character player;
+
+    class TicTacToe;
+    begin
+        character array board(1:9);
+
+        procedure placeMark(mark, position);
+            value mark, position;
+            character mark; integer position;
+        begin
+            board(position) := mark;
+        end-of-place-mark;
+
+        boolean procedure checkWinner(player);
+            value player;
+            character player;
+        begin
+            integer position;
+            comment
+            There are 8 possible ways to win: 3 rows, 3 columns, and 2 diagonals.
+            For reasons of laziness, we just AI-generate them:
+            ;
+            if board(1) = player and board(2) = player and board(3) = player then
+                checkWinner := true
+            else if board(4) = player and board(5) = player and board(6) = player then
+                checkWinner := true
+            else if board(7) = player and board(8) = player and board(9) = player then
+                checkWinner := true
+            else if board(1) = player and board(4) = player and board(7) = player then
+                checkWinner := true
+            else if board(2) = player and board(5) = player and board(8) = player then
+                checkWinner := true
+            else if board(3) = player and board(6) = player and board(9) = player then
+                checkWinner := true
+            else if board(1) = player and board(5) = player and board(9) = player then
+                checkWinner := true
+            else if board(3) = player and board(5) = player and board(7) = player then
+                checkWinner := true
+            else
+                checkWinner := false;
+        end-of-checkWinner;
+
+        character procedure winner;
+        begin
+            if checkWinner('X') then winner := 'X'
+            else if checkWinner('O') then winner := 'O'
+            else winner := ' ';
+        end-of-winner;
+
+        procedure DrawTopBottom; begin
+            OutText("+---+---+---+");
+            OutImage;
+        end;
+
+        procedure draw;
+        begin
+            integer row;
+            OutImage;
+            DrawTopBottom;
+            for row := 0 step 1 until 2 do begin
+                OutText("| " );
+                OutChar(board(row * 3  + 1));
+                OutText(" | " );
+                OutChar(board(row * 3 + 2));
+                OutText(" | " );
+                OutChar(board(row * 3 + 3));
+                OutText(" |");
+                OutImage;
+                DrawTopBottom;
+            end
+        end-of-draw;
+
+        !populate the board with number placeholders;
+        board(1) := '1';
+        board(2) := '2';
+        board(3) := '3';
+        board(4) := '4';
+        board(5) := '5';
+        board(6) := '6';
+        board(7) := '7';
+        board(8) := '8';
+        board(9) := '9';
+    end-of-TicTacToe;
+
+
+    game :- new TicTacToe;
+    player := 'X';
+
+    while game.winner <> 'X' and game.winner <> 'O' do
+    begin
+        game.draw;
+        OutText("Player ");
+        OutChar(player);
+        OutText(" enter position: ");
+        OutImage;
+        game.placeMark(player, InInt);    
+        if player = 'X' then player := 'O' else player := 'X';
+    end;
+
+    game.draw;
+
+    OutText("The winner is: player ");
+    OutChar(game.winner);
+    OutImage;
+end-of-program

vendor/licenses/git_submodule/vscode-simula.dep.yml

@@ -0,0 +1,17 @@
+---
+name: vscode-simula
+version: 3e5aa76da7f6c4145b665fa7497249b2353ea087
+type: git_submodule
+homepage: https://github.com/eirslett/vscode-simula.git
+license: mit
+licenses:
+- sources: LICENSE.md
+  text: |
+    Copyright 2024 Project contributors
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+notices: []