implement internal parser

1 files changed, 13 insertions, 1 deletions

diff --git a/src/err.h b/src/err.h
index 3d3262f..5a3b9bc 100644
--- a/src/err.h
+++ b/src/err.h
@@ -6,11 +6,17 @@
 
 #define ERR(...) \
 	do { \
-		fprintf(stderr, "error: " __VA_ARGS__); \
+		fprintf(stderr, "\e[1;31merror:\e[0m " __VA_ARGS__); \
 		fprintf(stderr, "\n"); \
 		exit(EXIT_FAILURE); \
 	} while (0)
 
+#define WARN(...) \
+	do { \
+		fprintf(stderr, "\e[1;35mwarning:\e[0m " __VA_ARGS__); \
+		fprintf(stderr, "\n"); \
+	} while (0)
+
 #define TRY(cond, ...) \
 	do { \
 		if (!(cond)) { \
@@ -24,4 +30,10 @@
 		TRY((dest) != NULL, "could not allocate memory"); \
 	} while (0)
 
+#define TRYREALLOC(dest, count) \
+	do { \
+		(dest) = realloc((dest), (count) * sizeof(*(dest))); \
+		TRY((dest) != NULL, "could not allocate memory"); \
+	} while (0)
+
 #endif