implement analyse function

anlyises the parse results to build a tree for deterministic parser
generation

1 files changed, 30 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index a101849..0c0e510 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,12 +1,34 @@
 #include "err.h"
 #include "opt.h"
 #include "parse.h"
+#include "analyse.h"
+
+static void print_tree(struct analyse_tree_s *t)
+{
+	unsigned i;
+	if (t->is_terminal)
+		printf("!");
+
+	if (t->branch_count > 1)
+		printf("(");
+
+	for (i = 0; i < t->branch_count; i++) {
+		printf("%c", t->branch_chars[i]);
+		print_tree(t->branches[i]);
+		if (t->branch_count > 1 && i < t->branch_count - 1)
+			printf("|");
+	}
+
+	if (t->branch_count > 1)
+		printf(")");
+}
 
 int main(int argc, char **argv)
 {
 	FILE *fi = stdin;
 	const char *finame = "stdin";
 	struct parse_result_s pr;
+	struct analyse_result_s ar;
 
 	opt_parse(argc, argv);
 
@@ -21,7 +43,15 @@ int main(int argc, char **argv)
 	if (fi != stdin)
 		fclose(fi);
 
+	ar = analyse(pr);
+
+	print_tree(&ar.deftype_tree);
+	puts("");
+	print_tree(&ar.var_tree);
+	puts("");
+
 	parse_result_wipe(&pr);
+	analyse_result_wipe(&ar);
 
 	return 0;
 }