feat(types): add native C scalar types and imported aliases

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

2 files changed, 28 insertions, 2 deletions

diff --git a/lib/Parser/Parser.cc b/lib/Parser/Parser.cc
index aeb81fe..3bc095e 100644
--- a/lib/Parser/Parser.cc
+++ b/lib/Parser/Parser.cc
@@ -112,6 +112,13 @@ bool Parser::ParseDesignatorSuffix(std::vector<DesignatorAccess> &Out) {
 }
 
 std::string Parser::ParseTypeName(bool AllowVoid) {
+    switch (CurTok) {
+    case tok_c_int: getNextToken(); return "C_INT";
+    case tok_c_char: getNextToken(); return "C_CHAR";
+    case tok_c_string: getNextToken(); return "C_STRING";
+    case tok_c_double: getNextToken(); return "C_DOUBLE";
+    default: break;
+    }
     if (CurTok == tok_integer_kw) {
         getNextToken();
         return "INTEGER";
diff --git a/lib/Parser/ParserType.cc b/lib/Parser/ParserType.cc
index 358e3e2..e249c4c 100644
--- a/lib/Parser/ParserType.cc
+++ b/lib/Parser/ParserType.cc
@@ -34,7 +34,26 @@ std::unique_ptr<StmtAST> Parser::ParseTypeDecl() {
     if (!IsClass && CurTok == tok_eq) {
         getNextToken();
 
-        if (CurTok == '(') {
+        if (CurTok == tok_c_type) {
+            getNextToken();
+            if (CurTok != '(') {
+                fprintf(stderr, "error: Expected '(' after C_TYPE at line %d\n", Lex.getLine());
+                return nullptr;
+            }
+            getNextToken();
+            if (CurTok != tok_string_literal) {
+                fprintf(stderr, "error: C_TYPE requires a string literal at line %d\n", Lex.getLine());
+                return nullptr;
+            }
+            std::string Expression = Lex.StringVal;
+            getNextToken();
+            if (CurTok != ')') {
+                fprintf(stderr, "error: Expected ')' after C_TYPE string at line %d\n", Lex.getLine());
+                return nullptr;
+            }
+            getNextToken();
+            Decl = std::make_unique<CTypeDeclAST>(Name, Expression);
+        } else if (CurTok == '(') {
             getNextToken();
             std::vector<std::string> Values;
             while (true) {
@@ -65,7 +84,7 @@ std::unique_ptr<StmtAST> Parser::ParseTypeDecl() {
             getNextToken();
             return nullptr;
         } else {
-            fprintf(stderr, "error: Expected '(' or '^' after '=' in TYPE %s at line %d\n",
+            fprintf(stderr, "error: Expected '(', '^' or C_TYPE after '=' in TYPE %s at line %d\n",
                     Name.c_str(), Lex.getLine());
             return nullptr;
         }