fn declaration adjustments

crates/prometeu-compiler/src/frontends/pbs/parser.rs

@@ -197,7 +197,7 @@ impl Parser {
         let start_span = self.consume(TokenKind::Fn)?.span;
         let name = self.expect_identifier()?;
         let params = self.parse_param_list()?;
-        let ret = if self.peek().kind == TokenKind::Arrow {
+        let ret = if self.peek().kind == TokenKind::Colon {
             self.advance();
             Box::new(self.parse_type_ref()?)
         } else {
@@ -275,7 +275,7 @@ impl Parser {
         let start_span = self.consume(TokenKind::Fn)?.span;
         let name = self.expect_identifier()?;
         let params = self.parse_param_list()?;
-        let _ret = if self.peek().kind == TokenKind::Arrow {
+        let _ret = if self.peek().kind == TokenKind::Colon {
             self.advance();
             Some(Box::new(self.parse_type_ref()?))
         } else {

crates/prometeu-compiler/tests/parser_tests.rs

@@ -31,7 +31,7 @@ import math from "./math.pbs";
 #[test]
 fn test_parse_fn_decl() {
     let source = r#"
-fn add(a: int, b: int) -> int {
+fn add(a: int, b: int): int {
     return a + b;
 }
 "#;
@@ -71,7 +71,7 @@ fn test_parse_service_decl() {
     let source = r#"
 pub service Audio {
     fn play(sound: Sound);
-    fn stop() -> bool;
+    fn stop(): bool;
 }
 "#;
     let mut parser = Parser::new(source, 0);

crates/prometeu-compiler/tests/pbs_end_to_end_tests.rs

@@ -21,7 +21,7 @@ fn test_compile_hip_program() {
     
     // Create main.pbs with HIP effects
     let code = "
-        fn main() {
+        fn frame(): void {
             let x = alloc int;
             mutate x as v {
                 let y = v + 1;

crates/prometeu-compiler/tests/pbs_golden_tests.rs

@@ -20,7 +20,7 @@ fn test_golden_bytecode_snapshot() {
     let code = r#"
         declare contract Gfx host {}
 
-        fn helper(val: int) -> int {
+        fn helper(val: int): int {
             return val * 2;
         }
 

crates/prometeu-compiler/tests/pbs_lowering_tests.rs

@@ -7,7 +7,7 @@ use prometeu_compiler::ir_core;
 #[test]
 fn test_basic_lowering() {
     let code = "
-        fn add(a: int, b: int) -> int {
+        fn add(a: int, b: int): int {
             return a + b;
         }
         fn main() {
@@ -43,7 +43,7 @@ fn test_basic_lowering() {
 #[test]
 fn test_control_flow_lowering() {
     let code = "
-        fn max(a: int, b: int) -> int {
+        fn max(a: int, b: int): int {
             if (a > b) {
                 return a;
             } else {

crates/prometeu-compiler/tests/pbs_typecheck_tests.rs

@@ -36,7 +36,7 @@ fn test_type_mismatch_let() {
 
 #[test]
 fn test_type_mismatch_return() {
-    let code = "fn main() -> int { return \"hello\"; }";
+    let code = "fn main(): int { return \"hello\"; }";
     let res = check_code(code);
     assert!(res.is_err());
     assert!(res.unwrap_err().contains("E_TYPE_MISMATCH"));
@@ -57,7 +57,7 @@ fn test_type_mismatch_call() {
 
 #[test]
 fn test_missing_return_path() {
-    let code = "fn foo() -> int { if (true) { return 1; } }";
+    let code = "fn foo(): int { if (true) { return 1; } }";
     let res = check_code(code);
     assert!(res.is_err());
     assert!(res.unwrap_err().contains("E_TYPE_RETURN_PATH"));
@@ -65,7 +65,7 @@ fn test_missing_return_path() {
 
 #[test]
 fn test_implicit_none_optional() {
-    let code = "fn foo() -> optional<int> { if (true) { return some(1); } }";
+    let code = "fn foo(): optional<int> { if (true) { return some(1); } }";
     let res = check_code(code);
     if let Err(e) = &res { println!("Error: {}", e); }
     assert!(res.is_ok()); // Implicit none allowed for optional
@@ -82,7 +82,7 @@ fn test_valid_optional_assignment() {
 #[test]
 fn test_valid_result_usage() {
     let code = "
-        fn foo() -> result<int, string> {
+        fn foo(): result<int, string> {
             if (true) {
                 return ok(10);
             } else {
@@ -160,7 +160,7 @@ fn test_struct_type_usage() {
 fn test_service_type_usage() {
     let code = "
         pub service MyService {
-            fn hello(name: string) -> void
+            fn hello(name: string): void
         }
         fn foo(s: MyService) {}
     ";

test-cartridges/test01/cartridge/manifest.json

@@ -0,0 +1,41 @@
+{
+  "magic": "PMTU",
+  "cartridge_version": 1,
+  "app_id": 1,
+  "title": "Test 1",
+  "app_version": "0.1.0",
+  "app_mode": "Game",
+  "entrypoint": "0",
+  "asset_table": [
+    {
+      "asset_id": 0,
+      "asset_name": "bgm_music",
+      "bank_type": "SOUNDS",
+      "offset": 0,
+      "size": 88200,
+      "decoded_size": 88200,
+      "codec": "RAW",
+      "metadata": {
+        "sample_rate": 44100
+      }
+    },
+    {
+      "asset_id": 1,
+      "asset_name": "mouse_cursor",
+      "bank_type": "TILES",
+      "offset": 88200,
+      "size": 2304,
+      "decoded_size": 2304,
+      "codec": "RAW",
+      "metadata": {
+        "tile_size": 16,
+        "width": 16,
+        "height": 16
+      }
+    }
+  ],
+  "preload": [
+    { "asset_name": "bgm_music", "slot": 0 },
+    { "asset_name": "mouse_cursor", "slot": 1 }
+  ]
+}

test-cartridges/test01/cartridge/program.disasm.txt

@@ -0,0 +1,12 @@
+00000000  PushConst U32(1)
+00000006  SetLocal U32(0)
+0000000C  GetLocal U32(0)
+00000012  PushConst U32(1)
+00000018  Eq 
+0000001A  JmpIfFalse U32(56)
+00000020  Jmp U32(38)
+00000026  PushConst U32(2)
+0000002C  Syscall U32(4097)
+00000032  Jmp U32(62)
+00000038  Jmp U32(62)
+0000003E  Ret 

test-cartridges/test01/prometeu.json

@@ -0,0 +1,7 @@
+{
+  "script_fe": "pbs",
+  "entry": "src/main.pbs",
+  "out": "build/program.pbc",
+  "emit_disasm": true,
+  "emit_symbols": true
+}

test-cartridges/test01/sdk

@@ -0,0 +1 @@
+../../target/debug

test-cartridges/test01/src/main.pbs

@@ -0,0 +1,6 @@
+declare contract Touch host {
+    fn f();
+}
+
+fn frame(): void {
+}

test-cartridges/test01/src/sdk.pbs

@@ -0,0 +1,3 @@
+pub declare contract Gfx host {}
+pub declare contract Input host {}
+pub declare contract Touch host {}

test-cartridges/test01/test-cartridges/test01/src/main.pbs

@@ -0,0 +1,7 @@
+import Gfx from "./sdk.pbs"
+
+fn frame(): void {
+    Gfx.clear(0);
+    Gfx.fillRect(110, 110, 20, 20, 2016);
+    Gfx.drawText(10, 10, "Test01 PBS - Minimal", 65535);
+}