From ba19418091917ff3bf6d5047ca098c96ede8ffc3 Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Mon, 2 Aug 2021 11:10:57 -0300
Subject: aux/assert-catgets.sh: Add, include in "check" target on Makefile;
 update gistatic.msg

---
 aux/assert-catgets.sh | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 aux/assert-catgets.sh

(limited to 'aux')

diff --git a/aux/assert-catgets.sh b/aux/assert-catgets.sh
new file mode 100644
index 0000000..885e186
--- /dev/null
+++ b/aux/assert-catgets.sh
@@ -0,0 +1,67 @@
+#!/bin/sh
+set -eu
+
+assert_sequential_ids() {
+	awk '
+		BEGIN {
+			n = 0
+		}
+
+		/^#define MSG_/ {
+			if (++n != $3) {
+				print "Bad sequential ID:"
+				printf "%s:%s:%s\n", FILENAME, NR, $0
+				printf "expected: %s\ngot:      %s\n", n, $3
+				exit 1
+			}
+		}
+	' "$1"
+}
+
+assert_consistent_msg_definitions() {
+	awk '
+		BEGIN {
+			i = 0
+			j = 0
+		}
+
+		/^#define MSG_/ {
+			defines[i++] = $2
+		}
+
+		/^\t\[MSG_/ {
+			msgs[j++] = substr($0, 3, index($0, "]") - 3)
+		}
+
+		END {
+			for (n in defines) {
+				if (defines[n] != msgs[n]) {
+					printf "Order mismatch between #define"
+					printf " and usage in MSGS[]:\n"
+					printf "#define: %s\nMSGS[]:  %s\n",
+						defines[n], msgs[n]
+					exit 1
+				}
+			}
+		}
+	' "$1"
+}
+
+assert_no_unused_msgs() {
+	DEFINES="$(mktemp)"
+	USAGES="$(mktemp)"
+	awk '/^#define MSG_/ { print $2 }' "$f" | sort > "$DEFINES"
+	awk -F'_\\(' '
+		/_\(MSG_/ { print substr($2, 0, index($2, ")") - 1) }
+	' "$f" | sort | uniq > "$USAGES"
+	if ! diff "$DEFINES" "$USAGES"; then
+		echo 'Some defined MSG_ items not being used' >&2
+		exit 1
+	fi
+}
+
+for f in "$@"; do
+	assert_sequential_ids "$f"
+	assert_consistent_msg_definitions "$f"
+	assert_no_unused_msgs "$f"
+done
-- 
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