lexer: disallow weird lexer number jank

src/lexer.c

@@ -131,6 +131,14 @@ noom_uint_t noomL_getnumber(const char* s, noomL_ErrorType* error, noom_LuaVersi
 			*error = NOOML_ERROR_MALFORMED_NUM;
 			return 0;
 		}
+
+		// check if identifier starter, if so, it's malformed (you can't do a=0xffl=2 or whatevs)
+		if (version >= NOOM_VERSION_51) { // always true for now, but if 5.0 this shouldn't happen.
+			if (noomL_isalpha(s[len]) || s[len] == '_') {
+				*error = NOOML_ERROR_MALFORMED_NUM;
+				return 0;
+			}
+		}
 		
 		return len;
 	} else {
@@ -170,6 +178,14 @@ noom_uint_t noomL_getnumber(const char* s, noomL_ErrorType* error, noom_LuaVersi
 			}
 		}
 
+		// check if identifier starter, if so, it's malformed (you can't do a=53b=2 or whatevs)
+		if (version >= NOOM_VERSION_51) { // always true for now, but if 5.0 this shouldn't happen.
+			if (noomL_isalpha(s[len]) || s[len] == '_') {
+				*error = NOOML_ERROR_MALFORMED_NUM;
+				return 0;
+			}
+		}
+
 		return len;
 	}
 

src/main.c

@@ -33,7 +33,7 @@ void print_node(noomP_Node* node, noom_uint_t depth) {
 
 int main(int argc, char** argv) {
 	// uhh uhhh uhhhhh
-	const char* code = "local a = 0x0.1E";
+	const char* code = "local a = 52 local b = 2";
 	noom_uint_t pos = 0;
 
 	printf("LEX OUTPUT:\n");

src/noom.h

@@ -1,8 +1,10 @@
 typedef enum noom_LuaVersion {
+	// no 5.0, at least for now, cause it doesn't seem to be used much and is a bit *weird*
 	NOOM_VERSION_51,
 	NOOM_VERSION_52,
 	NOOM_VERSION_53,
 	NOOM_VERSION_54
+	// no you don't get 5.5; if someone wants to do it and maintain it, they can, i'm not gonna.
 } noom_LuaVersion;