From 5541c597cb68f76d1fc53e01b931eb870856843c Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Wed, 3 Sep 2025 19:21:32 +0900
Subject: feat: partially support floating point number types (parsing only)

---
 src/ast.c   | 6 ++++++
 src/ast.h   | 3 +++
 src/parse.c | 6 ++++++
 3 files changed, 15 insertions(+)

(limited to 'src')

diff --git a/src/ast.c b/src/ast.c
index 0d19d40..78fb2b9 100644
--- a/src/ast.c
+++ b/src/ast.c
@@ -29,6 +29,12 @@ const char* type_kind_stringify(TypeKind k) {
         return "long long";
     else if (k == TypeKind_ullong)
         return "unsigned long long";
+    else if (k == TypeKind_float)
+        return "float";
+    else if (k == TypeKind_double)
+        return "double";
+    else if (k == TypeKind_ldouble)
+        return "long double";
     else if (k == TypeKind_struct)
         return "struct";
     else if (k == TypeKind_union)
diff --git a/src/ast.h b/src/ast.h
index 05c20e2..00b0171 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -29,6 +29,9 @@ typedef enum {
     TypeKind_ulong,
     TypeKind_llong,
     TypeKind_ullong,
+    TypeKind_float,
+    TypeKind_double,
+    TypeKind_ldouble,
     TypeKind_struct,
     TypeKind_union,
     TypeKind_enum,
diff --git a/src/parse.c b/src/parse.c
index ecd8e65..9c5eaff 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -1605,6 +1605,12 @@ static Type* distinguish_type_from_type_specifiers(int type_specifiers) {
                type_specifiers == (TypeSpecifierMask_unsigned + TypeSpecifierMask_long + TypeSpecifierMask_long +
                                    TypeSpecifierMask_int)) {
         return type_new(TypeKind_ullong);
+    } else if (type_specifiers == TypeSpecifierMask_float) {
+        return type_new(TypeKind_float);
+    } else if (type_specifiers == TypeSpecifierMask_double) {
+        return type_new(TypeKind_double);
+    } else if (type_specifiers == TypeSpecifierMask_long + TypeSpecifierMask_double) {
+        return type_new(TypeKind_ldouble);
     } else if (type_specifiers == TypeSpecifierMask_struct) {
         return NULL;
     } else if (type_specifiers == TypeSpecifierMask_union) {
-- 
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