Merge pull request #72 from AjayBrahmakshatriya/master

Added support for types to be const and volatile qualified
BuildIt-lang · Apr 22, 2024 · 767068e · 767068e
2 parents 9e098d4 + 5d60a58
commit 767068e
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Showing 7 changed files with 73 additions and 9 deletions.
diff --git a/include/blocks/var.h b/include/blocks/var.h
@@ -9,6 +9,9 @@ class type : public block {
 public:
 	typedef std::shared_ptr<type> Ptr;
 
+	bool is_const = false;
+	bool is_volatile = false;
+
 	virtual void accept(block_visitor *a) override {
 		a->visit(self<type>());
 	}

diff --git a/include/builder/block_type_extractor.h b/include/builder/block_type_extractor.h
@@ -240,6 +240,42 @@ class type_extractor<T[]> {
 	}
 };
 
+template <typename T>
+class type_extractor<const T> {
+public:
+	static block::type::Ptr extract_type(void) {
+		block::type::Ptr type = type_extractor<T>::extract_type();
+		type->is_const = true;
+		return type;
+	}
+
+};
+
+template <typename T>
+class type_extractor<volatile T> {
+public:
+	static block::type::Ptr extract_type(void) {
+		block::type::Ptr type = type_extractor<T>::extract_type();
+		type->is_volatile = true;
+		return type;
+	}
+
+};
+
+template <typename T>
+class type_extractor<const volatile T> {
+public:
+	static block::type::Ptr extract_type(void) {
+		block::type::Ptr type = type_extractor<T>::extract_type();
+		type->is_volatile = true;
+		type->is_const = true;
+		return type;
+	}
+
+};
+
+
+
 // Type extractor for complete closure
 template <typename T>
 class type_extractor<dyn_var<T>> {

diff --git a/include/builder/builder_base.h b/include/builder/builder_base.h
@@ -102,6 +102,9 @@ class builder {
 		push_to_sequence(block_expr);
 	}
 
+	builder(const unsigned long &a): builder((unsigned long long)a){}
+	builder(const long &a): builder((long long)a){}
+
 	builder(const double &a) {
 		if (builder_precheck()) {
 			builder_from_sequence();

diff --git a/samples/outputs.var_names/sample30 b/samples/outputs.var_names/sample30
@@ -22,7 +22,7 @@ STMT_BLOCK
   DECL_STMT
     SCALAR_TYPE (UNSIGNED_LONG_INT)
     VAR (f_5)
-    NO_INITIALIZATION
+    INT_CONST (5)
   DECL_STMT
     SCALAR_TYPE (LONG_LONG_INT)
     VAR (g_6)
@@ -63,17 +63,22 @@ STMT_BLOCK
       VAR_EXPR
         VAR (n_13)
       STRING_CONST ("new string")
+  DECL_STMT
+    POINTER_TYPE
+      SCALAR_TYPE (CHAR)
+    VAR (o_14)
+    STRING_CONST ("Hello world")
   DECL_STMT
     SCALAR_TYPE (INT)
-    VAR (x_14)
+    VAR (x_15)
     INT_CONST (0)
 {
   short int a_0;
   unsigned short int b_1;
   int c_2;
   unsigned int d_3;
   long int e_4;
-  unsigned long int f_5;
+  unsigned long int f_5 = 5ll;
   long long int g_6;
   unsigned long long int h_7 = 4ll;
   char i_8;
@@ -83,5 +88,6 @@ STMT_BLOCK
   void* m_12;
   char n_13[] = "Hello world";
   n_13 = "new string";
-  int x_14 = 0;
+  char const* const volatile o_14 = "Hello world";
+  int x_15 = 0;
 }
diff --git a/samples/outputs/sample30 b/samples/outputs/sample30
@@ -22,7 +22,7 @@ STMT_BLOCK
   DECL_STMT
     SCALAR_TYPE (UNSIGNED_LONG_INT)
     VAR (var5)
-    NO_INITIALIZATION
+    INT_CONST (5)
   DECL_STMT
     SCALAR_TYPE (LONG_LONG_INT)
     VAR (var6)
@@ -64,16 +64,21 @@ STMT_BLOCK
         VAR (var13)
       STRING_CONST ("new string")
   DECL_STMT
-    SCALAR_TYPE (INT)
+    POINTER_TYPE
+      SCALAR_TYPE (CHAR)
     VAR (var14)
+    STRING_CONST ("Hello world")
+  DECL_STMT
+    SCALAR_TYPE (INT)
+    VAR (var15)
     INT_CONST (0)
 {
   short int var0;
   unsigned short int var1;
   int var2;
   unsigned int var3;
   long int var4;
-  unsigned long int var5;
+  unsigned long int var5 = 5ll;
   long long int var6;
   unsigned long long int var7 = 4ll;
   char var8;
@@ -83,5 +88,6 @@ STMT_BLOCK
   void* var12;
   char var13[] = "Hello world";
   var13 = "new string";
-  int var14 = 0;
+  char const* const volatile var14 = "Hello world";
+  int var15 = 0;
 }
diff --git a/samples/sample30.cpp b/samples/sample30.cpp
@@ -15,7 +15,7 @@ static void foo(void) {
 	dyn_var<int> c;
 	dyn_var<unsigned int> d;
 	dyn_var<long> e;
-	dyn_var<unsigned long> f;
+	dyn_var<unsigned long> f = (unsigned long)5;
 	dyn_var<long long> g;
 	dyn_var<unsigned long long> h = (unsigned long long)4;
 	dyn_var<char> i;
@@ -26,6 +26,8 @@ static void foo(void) {
 	dyn_var<char[]> n = "Hello world";
 	n = "new string";
 
+	dyn_var<const char* const volatile> o = "Hello world";
+
 	// bool test, fixes a bug
 	// that causes false as an init value creates a variable
 	// without context

diff --git a/src/blocks/c_code_generator.cpp b/src/blocks/c_code_generator.cpp
@@ -221,6 +221,8 @@ void c_code_generator::visit(scalar_type::Ptr type) {
 	default:
 		assert(false && "Invalid scalar type");
 	}
+	if (type->is_const) oss << " const";
+	if (type->is_volatile) oss << " volatile";
 }
 void c_code_generator::visit(named_type::Ptr type) {
 	oss << type->type_name;
@@ -235,20 +237,26 @@ void c_code_generator::visit(named_type::Ptr type) {
 		}
 		oss << ">";
 	}
+	if (type->is_const) oss << " const";
+	if (type->is_volatile) oss << " volatile";
 }
 void c_code_generator::visit(pointer_type::Ptr type) {
 	if (!isa<scalar_type>(type->pointee_type) && !isa<pointer_type>(type->pointee_type) &&
 	    !isa<named_type>(type->pointee_type))
 		assert(false && "Printing pointers of complex type is not supported yet");
 	type->pointee_type->accept(this);
 	oss << "*";
+	if (type->is_const) oss << " const";
+	if (type->is_volatile) oss << " volatile";
 }
 void c_code_generator::visit(reference_type::Ptr type) {
 	if (!isa<scalar_type>(type->referenced_type) && !isa<pointer_type>(type->referenced_type) &&
 	    !isa<named_type>(type->referenced_type))
 		assert(false && "Printing pointers of complex type is not supported yet");
 	type->referenced_type->accept(this);
 	oss << "&";
+	if (type->is_const) oss << " const";
+	if (type->is_volatile) oss << " volatile";
 }
 void c_code_generator::visit(array_type::Ptr type) {
 	if (!isa<scalar_type>(type->element_type) && !isa<pointer_type>(type->element_type) &&