mzscript: list the plugin commands a game uses

1 files changed, 53 insertions, 0 deletions

diff --git a/tools/mzscript.c b/tools/mzscript.c
index 1ad1c6a..196ddc4 100644
--- a/tools/mzscript.c
+++ b/tools/mzscript.c
@@ -128,6 +128,44 @@ static void countHost(int code)
 	}
 }
 
+/* plugin commands by name, to see what a game asks of its plugins */
+typedef struct pluginTally {
+	char name[64];
+	int n;
+} pluginTally_t;
+
+static pluginTally_t plugins[256];
+static int pluginKinds;
+
+static void countPlugin(const char *first, const char *second)
+{
+	char name[64];
+	size_t len = 0;
+	int i;
+
+	while (first[len] && first[len] != ' ' && len < sizeof name - 1) {
+		name[len] = first[len];
+		len++;
+	}
+	if (second && len < sizeof name - 2) {
+		const char *s = second;
+
+		name[len++] = '.';
+		while (*s && len < sizeof name - 1) name[len++] = *s++;
+	}
+	name[len] = '\0';
+	for (i = 0; i < pluginKinds; i++) {
+		if (!strcmp(plugins[i].name, name)) {
+			plugins[i].n++;
+			return;
+		}
+	}
+	if (pluginKinds < 256) {
+		strcpy(plugins[pluginKinds].name, name);
+		plugins[pluginKinds++].n = 1;
+	}
+}
+
 static void warn(const char *scope, const char *what)
 {
 	if (warnings++ < 20) fprintf(stderr, "%s: %s\n", scope, what);
@@ -243,6 +281,8 @@ static void host(buf_t *out, int code, const kon_json_t *parameters)
 	t.item = calloc(MAX_TOKENS, sizeof *t.item);
 	if (!t.item) exit(1);
 	flatten(&t, parameters);
+	if (code == 356 && t.count > 0) countPlugin(t.item[0], NULL);
+	if (code == 357 && t.count > 1) countPlugin(t.item[0], t.item[1]);
 	countHost(code);
 
 	put(out, "\thost %d", code);
@@ -971,6 +1011,19 @@ int main(int argc, char **argv)
 		hosts[best] = t;
 		if (k < 15) printf("  %6d  host %d\n", hosts[k].n, hosts[k].code);
 	}
+	if (pluginKinds) printf("%d kinds of plugin commands (356 and 357):\n", pluginKinds);
+	for (k = 0; k < pluginKinds; k++) {
+		int best = k, j;
+		pluginTally_t t;
+
+		for (j = k + 1; j < pluginKinds; j++) {
+			if (plugins[j].n > plugins[best].n) best = j;
+		}
+		t = plugins[k];
+		plugins[k] = plugins[best];
+		plugins[best] = t;
+		if (k < 15) printf("  %6d  %s\n", plugins[k].n, plugins[k].name);
+	}
 	if (warnings) printf("%d warnings\n", warnings);
 	free(speakers);
 	return 0;