create token nodes in lexer

src/parser/parser.h

@@ -1,6 +1,10 @@
 #ifndef PARSER_H
 #define PARSER_H
 
+#include "Node.h"
+
+#define YYSTYPE Node *
+
 void parse(const char * filename);
 
 #endif

src/parser/parser.l

@@ -7,13 +7,22 @@
 #include "parser.tab.h"
 #include "String.h"
 #include <stdlib.h>
+#include "Node.h"
 
-#define YY_USER_ACTION yylloc->first_column += yyleng;
+#define YY_USER_ACTION \
+do { \
+    yylloc->first_column += yyleng; \
+    *yylval = Node_new(NODE_TYPE_TOKEN); \
+    (*yylval)->token.fname = current_file; \
+    (*yylval)->token.line = current_line; \
+    (*yylval)->token.text = String_new(yytext); \
+} while(0);
 
 static String * build_string = NULL;
 static size_t current_line = 1u;
 static String * current_file = NULL;
 void handle_loc(const char * input);
+void user_action(void);
 
 %}