From a3c602e2753760f6f66b9f9b9863215294c1d138 Mon Sep 17 00:00:00 2001
From: omdxp <omarbelghaouti@gmail.com>
Date: Sat, 10 Feb 2024 10:35:30 +0100
Subject: [PATCH] creating keyword token

---
 lexer.c | 42 +++++++++++++++++++++++++++++++++++++++++-
 test.c  |  2 +-
 2 files changed, 42 insertions(+), 2 deletions(-)

diff --git a/lexer.c b/lexer.c
index 343d4bc..ae4b04d 100644
--- a/lexer.c
+++ b/lexer.c
@@ -254,6 +254,42 @@ bool lex_is_in_expression()
     return lex_process->current_expression_count >= 0;
 }
 
+bool is_keyword(const char *str)
+{
+
+    return S_EQ(str, "unsigned") ||
+           S_EQ(str, "signed") ||
+           S_EQ(str, "char") ||
+           S_EQ(str, "short") ||
+           S_EQ(str, "int") ||
+           S_EQ(str, "long") ||
+           S_EQ(str, "float") ||
+           S_EQ(str, "double") ||
+           S_EQ(str, "void") ||
+           S_EQ(str, "struct") ||
+           S_EQ(str, "union") ||
+           S_EQ(str, "static") ||
+           S_EQ(str, "__ingore_typecheck") ||
+           S_EQ(str, "return") ||
+           S_EQ(str, "include") ||
+           S_EQ(str, "sizeof") ||
+           S_EQ(str, "if") ||
+           S_EQ(str, "else") ||
+           S_EQ(str, "while") ||
+           S_EQ(str, "for") ||
+           S_EQ(str, "do") ||
+           S_EQ(str, "break") ||
+           S_EQ(str, "continue") ||
+           S_EQ(str, "switch") ||
+           S_EQ(str, "case") ||
+           S_EQ(str, "default") ||
+           S_EQ(str, "goto") ||
+           S_EQ(str, "typedef") ||
+           S_EQ(str, "const") ||
+           S_EQ(str, "extern") ||
+           S_EQ(str, "restrict");
+}
+
 static struct token *token_make_operator_or_string()
 {
     char op = peekc();
@@ -295,7 +331,11 @@ static struct token *token_make_identifier_or_keyword()
     // null terminator
     buffer_write(buffer, 0x00);
 
-    // TODO-OB: check if it is a keyword
+    // check if it is a keyword
+    if (is_keyword(buffer_ptr(buffer)))
+    {
+        return token_create(&(struct token){.type = TOKEN_TYPE_KEYWORD, .sval = buffer_ptr(buffer)});
+    }
 
     return token_create(&(struct token){.type = TOKEN_TYPE_IDENTIFIER, .sval = buffer_ptr(buffer)});
 }
diff --git a/test.c b/test.c
index f5960a5..1327387 100644
--- a/test.c
+++ b/test.c
@@ -1 +1 @@
-50 + 20 - 10 ++(50 + 20)[#] dksdskdk6sd rele_frle pksdk
+50 + 20 - 10 ++(50 + 20)[#] dksdskdk6sd rele_frle pksdk int restrict float continue