1 files changed, 20 insertions, 0 deletions
diff --git a/src/lint.c b/src/lint.c
new file mode 100644
index 0000000..576c554
--- /dev/null
+++ b/src/lint.c
@@ -0,0 +1,20 @@
+#include <lint.h>
+#include <log.h>
+#include <string.h>
+#include <tokenize.h>
+
+void lint(struct ctx *ctx)
+{
+	// Lint parens
+	int parens = 0;
+	for (size_t i = 1; i < ctx->token_count; i++) {
+		struct token *token = &ctx->tokens[i];
+		if (token->type == LPAREN)
+			parens++;
+		else if (token->type == RPAREN)
+			parens--;
+	}
+
+	if (parens != 0)
+		errln(ctx, "Invalid parens balance");
+}