libpgf: forgot to add utils/pgf-print.c

src/runtime/c/utils/pgf-print.c

@@ -0,0 +1,29 @@
+#include <pgf/pgf.h>
+#include <pgf/data.h>
+
+#include <gu/dump.h>
+#include <gu/file.h>
+#include <gu/utf8.h>
+
+GU_DECLARE_TYPE(PgfAbstr, struct);
+
+int main(void) {
+	GuPool* pool = gu_new_pool();
+	GuExn* err = gu_exn(NULL, type, pool);
+	GuIn* in = gu_file_in(stdin, pool);
+	PgfPGF* pgf = pgf_read(in, pool, err);
+	int status = 0;
+	if (!gu_ok(err)) {
+		fprintf(stderr, "Reading PGF failed\n");
+		status = 1;
+		goto fail_read;
+	}
+	GuOut* out = gu_file_out(stdout, pool);
+	GuWriter* wtr = gu_new_utf8_writer(out, pool);
+    pgf_print(pgf, wtr, err);
+	gu_writer_flush(wtr, err);
+fail_read:
+	gu_pool_free(pool);
+	return status;
+}
+