Print parsed tree on run

src/main.c

@@ -2,6 +2,7 @@
 #include <stdlib.h>
 
 #include "parser.h"
+#include "printtree.h"
 
 
 int main(int argc, char *argv[]) {
@@ -18,5 +19,6 @@ int main(int argc, char *argv[]) {
 		fprintf(stderr, "Error during parsing.\n");
 		return 1;
 	}
+	printtree(code,0);
 	return 0;
 }

src/parser.h

@@ -1,5 +1,7 @@
 #include <stdio.h>
 
+#ifndef PARSER_H
+#define PARSER_H
 enum SyntaxElementType {
 	TOPTREE,
 	TREE,
@@ -17,3 +19,4 @@ struct SyntaxElement {
 };
 
 struct SyntaxElement* parse(FILE* file);
+#endif

src/printtree.c

@@ -0,0 +1,37 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "parser.h"
+
+void printtree(struct SyntaxElement* syntaxtree, int depth) {
+	if (syntaxtree == NULL)
+		return;
+	for (int i = 1; i <= depth; i++)
+		putc(' ',stdout);
+	switch (syntaxtree->type) {
+		case TOPTREE:
+			printf("TOPTREE\n");
+			printtree((struct SyntaxElement*)syntaxtree->content, depth + 1);
+			break;
+		case TREE:
+			printf("TREE\n");
+			printtree((struct SyntaxElement*)syntaxtree->content, depth + 1);
+			break;
+		case TOKEN:
+			printf("TOKEN: %s\n", (char*)syntaxtree->content);
+			break;
+		case STRING:
+			printf("STRING: %s\n", (char*)syntaxtree->content);
+			break;
+		case NUMBER:
+			// TODO: printtree NUMBER
+			fprintf(stderr,"TODO: printtree NUMBER\n");
+			exit(1);
+		case NONE:
+			printf("NONE\n");
+			break;
+	}
+	if (syntaxtree->next != NULL)
+		printtree(syntaxtree->next, depth);
+	return;
+}

src/printtree.h

@@ -0,0 +1,2 @@
+#include "parser.h"
+void printtree(struct SyntaxElement* syntaxtree, int depth);