From 3b173b29667174b791d31301dbb637c3bea13fe6 Mon Sep 17 00:00:00 2001
From: Vitaly Kuprin <vitas_s@inbox.lv>
Date: Wed, 4 Dec 2024 22:52:50 +0100
Subject: [PATCH] feat: add c3 support

Signed-off-by: Vitaly Kuprin <vitas_s@inbox.lv>
---
 lib/linguist/languages.yml | 14 ++++++
 samples/C3/example.c3      | 95 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 109 insertions(+)
 create mode 100644 samples/C3/example.c3

diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index b5eebfe28..e22cde43e 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -824,6 +824,20 @@ C2hs Haskell:
   codemirror_mode: haskell
   codemirror_mime_type: text/x-haskell
   language_id: 45
+C3:
+  type: programming
+  color: "#555555"
+  extensions:
+    - ".c3"
+    - ".c3i"
+    - ".c3l"
+    - ".c3d"
+  tm_scope: source.c3
+  ace_mode: c_cpp
+  language_id: 1000000
+  aliases:
+    - c3lang
+  group: C3
 CAP CDS:
   type: programming
   tm_scope: source.cds
diff --git a/samples/C3/example.c3 b/samples/C3/example.c3
new file mode 100644
index 000000000..6c43d0850
--- /dev/null
+++ b/samples/C3/example.c3
@@ -0,0 +1,95 @@
+module example;
+
+import std::io;
+import std::math;
+
+def Callback = fn int(char* text);
+
+enum Status : int
+{
+    IDLE,
+    BUSY,
+    DONE,
+}
+
+struct MyData
+{
+    char* name;
+    Callback open;
+    Status status;
+
+    struct other
+    {
+        int value;
+        int status;
+    }
+
+    union
+    {
+        int* number;
+        char* text;
+    }
+}
+
+fault MathError
+{
+    DIVISION_BY_ZERO
+}
+
+fn double! divide(int a, int b)
+{
+    if (b == 0) return MathError.DIVISION_BY_ZERO?;
+    return (double)a / (double)b;
+}
+
+<*
+ @param foo "the number of foos"
+ @require foo > 0, foo < 1000
+ @return "number of foos x 10"
+ @ensure return < 10000, return > 0
+*>
+fn int testFoo(int foo)
+{
+    return foo * 10;
+}
+
+fn void example_foreach(float[] values)
+{
+    foreach (index, value : values)
+    {
+        io::printfn("%d: %f", index, value);
+    }
+}
+
+fn void demo_switch(Status s)
+{
+    switch (s)
+    {
+        case IDLE:
+            io::printn("Idle");
+        case BUSY:
+            io::printn("Busy");
+            nextcase;
+        case DONE:
+            io::printn("Done");
+    }
+}
+
+fn void test_defer(int x)
+{
+    defer io::printn();
+    defer io::print("A");
+    if (x == 1) return;
+    {
+        defer io::print("B");
+        if (x == 0) return;
+    }
+    io::print("!");
+}
+
+fn int main()
+{
+    MyData data = { .name = "test", .status = Status.IDLE };
+    test_defer(1);
+    return 0;
+}