feat: main can omit args

buzz-language · Jan 25, 2025 · c7ef841 · c7ef841
1 parent c3f2915
commit c7ef841
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Showing 12 changed files with 14 additions and 14 deletions.
diff --git a/examples/2048.buzz b/examples/2048.buzz
@@ -293,7 +293,7 @@ object Game {
     }
 }
 
-fun main(_: [str]) > void {
+fun main() > void {
     final game = Game.init();
 
     game.addNewTile();

diff --git a/examples/sdl.buzz b/examples/sdl.buzz
@@ -1,7 +1,7 @@
 import "examples/sdl-wrapped" as _;
 
 // buzz -L/path/to/SDL2.dylib/so/dll examples/sdl.buzz
-fun main(_: [str]) > int !> SDLError {
+fun main() > int !> SDLError {
     final sdl = SDL.init([Subsystem.Video]);
 
     final window = Window.init(

diff --git a/examples/voronoi-diagram.buzz b/examples/voronoi-diagram.buzz
@@ -66,7 +66,7 @@ fun generateVoronoi(renderer: Renderer, width: int, height: int, numCells: int)
     }
 }
 
-fun main(_: [str]) > void !> SDLError {
+fun main() > void !> SDLError {
     final width = 400;
     final height = 400;
     final numCells = 50;

diff --git a/src/Parser.zig b/src/Parser.zig
@@ -6417,9 +6417,9 @@ fn funDeclaration(self: *Self) Error!Ast.Node.Index {
     const fun_def = fun_typedef.resolved_type.?.Function;
     if (is_main) {
         var signature_valid = true;
-        if (fun_def.parameters.count() != 1 or (fun_def.return_type.def_type != .Integer and fun_def.return_type.def_type != .Void)) {
+        if (fun_def.parameters.count() > 1 or (fun_def.return_type.def_type != .Integer and fun_def.return_type.def_type != .Void)) {
             signature_valid = false;
-        } else {
+        } else if (fun_def.parameters.count() > 0) {
             const first_param = fun_def.parameters.get(fun_def.parameters.keys()[0]);
             if (first_param == null or
                 !(try self.parseTypeDefFrom("[str]")).eql(first_param.?))
@@ -6434,7 +6434,7 @@ fn funDeclaration(self: *Self) Error!Ast.Node.Index {
             self.reporter.reportErrorFmt(
                 .main_signature,
                 self.ast.tokens.get(self.ast.nodes.items(.location)[function_node]),
-                "Expected `main` signature to be `fun main([str] args) > void|int` got {s}",
+                "Expected `main` signature to be `fun main([ args: [str] ]) > void|int` got {s}",
                 .{
                     main_def_str,
                 },

diff --git a/tests/bench/005-k-nucleoide.buzz b/tests/bench/005-k-nucleoide.buzz
@@ -53,7 +53,7 @@ fun frequency(sequence: str, k: int) > void {
 }
 
 // buzz tests/bench/005-k-nucleoide.buzz < tests/bench/reference/knucleotide-input.txt
-fun main(_: [str]) > void {
+fun main() > void {
     final sequence = readSequence() catch "";
     frequency(sequence, k: 1);
     frequency(sequence, k: 2);

diff --git a/tests/bench/007-fib.buzz b/tests/bench/007-fib.buzz
@@ -8,6 +8,6 @@ fun fibonnacci(n: int) > int {
     return fibonnacci(n - 2) + fibonnacci(n - 1);
 }
 
-fun main(_: [str]) > void {
+fun main() > void {
     std\print("{fibonnacci(30)}");
 }
diff --git a/tests/bench/008-for.buzz b/tests/bench/008-for.buzz
@@ -1,6 +1,6 @@
 import "std";
 
-fun main(_: [str]) > void {
+fun main() > void {
     final list: mut [int] = mut [];
 
     foreach (i in 0..1_000_000) {

diff --git a/tests/manual/002-error.buzz b/tests/manual/002-error.buzz
@@ -1,3 +1,3 @@
-fun main(_: [str]) > void !> any {
+fun main() > void !> any {
     throw "wat!";
 }
diff --git a/tests/manual/003-io.buzz b/tests/manual/003-io.buzz
@@ -1,7 +1,7 @@
 import "std";
 import "io";
 
-fun main(_: [str]) > void !> any {
+fun main() > void !> any {
     for (line: str? = ""; line != null; line = io\stdin.readLine()) {
         std\print("= {line}");
         io\stdout.write("> ");

diff --git a/tests/manual/004-os.buzz b/tests/manual/004-os.buzz
@@ -1,5 +1,5 @@
 import "os";
 
-fun main(_: [str]) > void {
+fun main() > void {
     os\exit(12);
 }
diff --git a/tests/manual/005-tcp-client.buzz b/tests/manual/005-tcp-client.buzz
@@ -1,7 +1,7 @@
 import "std";
 import "os";
 
-fun main(_: [str]) > void !> any {
+fun main() > void !> any {
     final socket = os\Socket.connect(
         address: "127.0.0.1",
         port: 8080,

diff --git a/tests/manual/006-http-client.buzz b/tests/manual/006-http-client.buzz
@@ -3,7 +3,7 @@ import "debug";
 import "errors";
 import "serialize";
 
-fun main(_: [str]) > void !> any {
+fun main() > void !> any {
     final client = http\Client.init();
 
     final request = mut http\Request{