feat: yet another new parser architecture

src/parser/parser.h

@@ -1,9 +1,28 @@
 #ifndef PARSER_H
 #define PARSER_H
 
+#include <stdbool.h>
+
 #include "../lexer/lexer.h"
 #include "../utils/ast/ast.h"
 
+enum parser_state {
+    PARSER_STATE_NOT_INITIALIZED = 0,
+    PARSER_STATE_READY,
+    PARSER_STATE_CLOSED
+};
+
+/* @brief Initializes the parser module
+ * @warning parser needs to be closed after use with parser_close()
+ *
+ * @return Returns false on error and true on success
+ */
+bool parser_init(void);
+
+/* @brief Closes the parser module after use
+ */
+void parser_close(void);
+
 /* @brief Builds the AST representation of the next command to execute.
  *
  * @return Returns the AST representation of the next command to execute.