test: expand golden C-codegen tests from 2 to 8 examples

Add golden tests for: structs, generics, algebraic_enums, enums,
methods, strings. Each test captures the expected C output from the
bootstrap compiler for regression detection.

Also remove leftover 'PARSER FIX V2 ACTIVE' debug print from parser.bux.

Makefile

@@ -78,7 +78,7 @@ selfhost: build
 
 .PHONY: test-golden
 
-GOLDEN_TESTS := hello fibonacci
+GOLDEN_TESTS := hello fibonacci structs generics algebraic_enums enums methods strings
 
 test-golden: build
 	@echo "=== Golden tests ==="

src/parser.bux

@@ -553,7 +553,6 @@ func parserParsePostfixExpr(p: *Parser) -> *Expr {
                 let siCol: uint32 = parserCurToken(p).column;
                 let typeName: String = left.strValue;
                 var fieldCount: int = 0;
-    PrintLine("PARSER FIX V2 ACTIVE");
                 var firstField: *Expr = null as *Expr;
                 var lastField: *Expr = null as *Expr;
                 while !parserCheck(p, tkRBrace) && parserPeek(p, 0) != tkEndOfFile {

tests/golden/algebraic_enums/bux.toml

@@ -0,0 +1,7 @@
+[Package]
+Name    = "algebraic_enums"
+Version = "0.1.0"
+Type    = "bin"
+
+[Build]
+Output = "Bin"

tests/golden/algebraic_enums/src/Main.bux

@@ -0,0 +1,29 @@
+// Algebraic Enums - Enums with data (tagged unions)
+import Std::Io::{PrintLine, PrintInt};
+
+
+enum Result {
+    Ok(int),
+    Err(String)
+}
+
+func Main() -> int {
+    let r1: Result = Result { tag: Result_Ok };
+    r1.data.Ok_0 = 42;
+    
+    let r2: Result = Result { tag: Result_Err };
+    r2.data.Err_0 = "error message";
+    
+    if r1.tag == Result_Ok {
+        PrintLine("r1 is Ok:");
+        PrintInt(r1.data.Ok_0);
+        PrintLine("");
+    }
+    
+    if r2.tag == Result_Err {
+        PrintLine("r2 is Err:");
+        PrintLine(r2.data.Err_0);
+    }
+    
+    return 0;
+}

tests/golden/enums/bux.toml

@@ -0,0 +1,7 @@
+[Package]
+Name    = "enums"
+Version = "0.1.0"
+Type    = "bin"
+
+[Build]
+Output = "Bin"

tests/golden/enums/src/Main.bux

@@ -0,0 +1,34 @@
+// Enums - Enumeration types
+import Std::Io::{PrintLine, PrintInt};
+
+
+enum Color {
+    Red,
+    Green,
+    Blue
+}
+
+func ColorName(c: Color) -> String {
+    if c == Color::Red {
+        return "Red";
+    }
+    if c == Color::Green {
+        return "Green";
+    }
+    if c == Color::Blue {
+        return "Blue";
+    }
+    return "Unknown";
+}
+
+func Main() -> int {
+    let myColor: Color = Color::Green;
+    
+    PrintLine("My color is:");
+    PrintLine(ColorName(myColor));
+    PrintLine("Color value:");
+    PrintInt(myColor as int);
+    PrintLine("");
+    
+    return 0;
+}

tests/golden/generics/bux.toml

@@ -0,0 +1,7 @@
+[Package]
+Name    = "generics"
+Version = "0.1.0"
+Type    = "bin"
+
+[Build]
+Output = "Bin"

tests/golden/generics/src/Main.bux

@@ -0,0 +1,26 @@
+// Generics - Generic functions and structs
+import Std::Io::{PrintLine, PrintInt};
+
+
+func Max<T>(a: T, b: T) -> T {
+    if a > b {
+        return a;
+    } else {
+        return b;
+    }
+}
+
+func Main() -> int {
+    let m1: int = Max<int>(10, 20);
+    let m2: int = Max<int>(5, 3);
+    
+    PrintLine("Max(10, 20) = ");
+    PrintInt(m1);
+    PrintLine("");
+    
+    PrintLine("Max(5, 3) = ");
+    PrintInt(m2);
+    PrintLine("");
+    
+    return 0;
+}

tests/golden/methods/bux.toml

@@ -0,0 +1,7 @@
+[Package]
+Name    = "methods"
+Version = "0.1.0"
+Type    = "bin"
+
+[Build]
+Output = "Bin"

tests/golden/methods/src/Main.bux

@@ -0,0 +1,38 @@
+// Methods - Struct with methods using extend
+import Std::Io::{PrintLine, PrintInt};
+
+
+struct Rectangle {
+    width: int;
+    height: int;
+}
+
+extend Rectangle {
+    func Area(self: Rectangle) -> int {
+        return self.width * self.height;
+    }
+    
+    func Perimeter(self: Rectangle) -> int {
+        return 2 * (self.width + self.height);
+    }
+}
+
+func Main() -> int {
+    let rect: Rectangle = Rectangle { width: 10, height: 5 };
+    
+    PrintLine("Rectangle:");
+    PrintLine("Width = ");
+    PrintInt(rect.width);
+    PrintLine("");
+    PrintLine("Height = ");
+    PrintInt(rect.height);
+    PrintLine("");
+    PrintLine("Area = ");
+    PrintInt(rect.Area());
+    PrintLine("");
+    PrintLine("Perimeter = ");
+    PrintInt(rect.Perimeter());
+    PrintLine("");
+    
+    return 0;
+}

tests/golden/strings/bux.toml

@@ -0,0 +1,7 @@
+[Package]
+Name    = "strings"
+Version = "0.1.0"
+Type    = "bin"
+
+[Build]
+Output = "Bin"

tests/golden/strings/src/Main.bux

@@ -0,0 +1,34 @@
+// Strings - String manipulation with Std::String
+import Std::Io::{PrintLine, PrintInt};
+import Std::String::{String_Len, String_Eq, String_Concat};
+
+func Main() -> int {
+    let hello: String = "Hello";
+    let world: String = "World";
+    
+    PrintLine("String operations:");
+    
+    // Length
+    PrintLine("Length of 'Hello':");
+    PrintInt(String_Len(hello));
+    PrintLine("");
+    
+    // Concatenation
+    let greeting: String = String_Concat(hello, ", ");
+    let greeting2: String = String_Concat(greeting, world);
+    let full: String = String_Concat(greeting2, "!");
+    
+    PrintLine("Concatenated:");
+    PrintLine(full);
+    
+    // Equality
+    if String_Eq(hello, "Hello") {
+        PrintLine("'Hello' equals 'Hello'");
+    }
+    
+    if !String_Eq(hello, world) {
+        PrintLine("'Hello' does not equal 'World'");
+    }
+    
+    return 0;
+}

tests/golden/structs/bux.toml

@@ -0,0 +1,7 @@
+[Package]
+Name    = "structs"
+Version = "0.1.0"
+Type    = "bin"
+
+[Build]
+Output = "Bin"

tests/golden/structs/src/Main.bux

@@ -0,0 +1,29 @@
+// Structs - Basic struct usage
+import Std::Io::{PrintLine, PrintInt};
+
+
+struct Point {
+    x: int;
+    y: int;
+}
+
+func AddPoints(a: Point, b: Point) -> Point {
+    let result: Point = Point { x: a.x + b.x, y: a.y + b.y };
+    return result;
+}
+
+func Main() -> int {
+    let p1: Point = Point { x: 10, y: 20 };
+    let p2: Point = Point { x: 5, y: 15 };
+    let sum: Point = AddPoints(p1, p2);
+    
+    PrintLine("Point sum:");
+    PrintLine("x = ");
+    PrintInt(sum.x);
+    PrintLine("");
+    PrintLine("y = ");
+    PrintInt(sum.y);
+    PrintLine("");
+    
+    return 0;
+}