From f36752f4d05c8c93a9e5c6585d3aabdfedb0c3de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Fri, 20 Dec 2019 22:11:35 +0100
Subject: [PATCH] vt: remove dead code

---
 vt.c | 495 -----------------------------------------------------------
 1 file changed, 495 deletions(-)

diff --git a/vt.c b/vt.c
index c653f4a1..ea2f6498 100644
--- a/vt.c
+++ b/vt.c
@@ -118,457 +118,6 @@ static const char *const action_names[] __attribute__((unused)) = {
 };
 #endif
 
-#if 0
-struct state_transition {
-    enum action action;
-    enum state state;
-};
-#endif
-#if 0
-static const struct state_transition state_anywhere[256] = {
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9c]          = {                          .state = STATE_GROUND},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-#endif
-
-#if 0
-static const struct state_transition state_ground[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_EXECUTE},
-    [0x19]          = {.action = ACTION_EXECUTE},
-    [0x1c ... 0x1f] = {.action = ACTION_EXECUTE},
-    [0x20 ... 0x7f] = {.action = ACTION_PRINT},
-
-    [0xc0 ... 0xdf] = {.action = ACTION_UTF8_2_ENTRY, .state = STATE_UTF8_COLLECT},
-    [0xe0 ... 0xef] = {.action = ACTION_UTF8_3_ENTRY, .state = STATE_UTF8_COLLECT},
-    [0xf0 ... 0xf7] = {.action = ACTION_UTF8_4_ENTRY, .state = STATE_UTF8_COLLECT},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9c]          = {                          .state = STATE_GROUND},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-
-static const struct state_transition state_escape[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_EXECUTE},
-    [0x19]          = {.action = ACTION_EXECUTE},
-    [0x1c ... 0x1f] = {.action = ACTION_EXECUTE},
-    [0x20 ... 0x2f] = {.action = ACTION_COLLECT,      .state = STATE_ESCAPE_INTERMEDIATE},
-    [0x30 ... 0x4f] = {.action = ACTION_ESC_DISPATCH, .state = STATE_GROUND},
-    [0x50]          = {                               .state = STATE_DCS_ENTRY},
-    [0x51 ... 0x57] = {.action = ACTION_ESC_DISPATCH, .state = STATE_GROUND},
-    [0x58]          = {                               .state = STATE_SOS_PM_APC_STRING},
-    [0x59]          = {.action = ACTION_ESC_DISPATCH, .state = STATE_GROUND},
-    [0x5a]          = {.action = ACTION_ESC_DISPATCH, .state = STATE_GROUND},
-    [0x5b]          = {                               .state = STATE_CSI_ENTRY},
-    [0x5c]          = {.action = ACTION_ESC_DISPATCH, .state = STATE_GROUND},
-    [0x5d]          = {                               .state = STATE_OSC_STRING},
-    [0x5e ... 0x5f] = {                               .state = STATE_SOS_PM_APC_STRING},
-    [0x60 ... 0x7e] = {.action = ACTION_ESC_DISPATCH, .state = STATE_GROUND},
-    [0x7f]          = {.action = ACTION_IGNORE},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9c]          = {                          .state = STATE_GROUND},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-
-static const struct state_transition state_escape_intermediate[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_EXECUTE},
-    [0x19]          = {.action = ACTION_EXECUTE},
-    [0x1c ... 0x1f] = {.action = ACTION_EXECUTE},
-    [0x20 ... 0x2f] = {.action = ACTION_COLLECT},
-    [0x30 ... 0x7e] = {.action = ACTION_ESC_DISPATCH, .state = STATE_GROUND},
-    [0x7f]          = {.action = ACTION_IGNORE},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9c]          = {                          .state = STATE_GROUND},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-
-static const struct state_transition state_csi_entry[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_EXECUTE},
-    [0x19]          = {.action = ACTION_EXECUTE},
-    [0x1c ... 0x1f] = {.action = ACTION_EXECUTE},
-    [0x20 ... 0x2f] = {.action = ACTION_COLLECT,      .state = STATE_CSI_INTERMEDIATE},
-    [0x30 ... 0x39] = {.action = ACTION_PARAM,        .state = STATE_CSI_PARAM},
-    [0x3a ... 0x3b] = {                               .state = STATE_CSI_PARAM},
-    [0x3c ... 0x3f] = {.action = ACTION_COLLECT,      .state = STATE_CSI_PARAM},
-    [0x40 ... 0x7e] = {.action = ACTION_CSI_DISPATCH, .state = STATE_GROUND},
-    [0x7f]          = {.action = ACTION_IGNORE},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9c]          = {                          .state = STATE_GROUND},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-
-static const struct state_transition state_csi_param[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_EXECUTE},
-    [0x19]          = {.action = ACTION_EXECUTE},
-    [0x1c ... 0x1f] = {.action = ACTION_EXECUTE},
-    [0x20 ... 0x2f] = {.action = ACTION_COLLECT,      .state = STATE_CSI_INTERMEDIATE},
-    [0x30 ... 0x39] = {.action = ACTION_PARAM},
-    [0x3a ... 0x3b] = {.action = ACTION_PARAM},
-    [0x3c ... 0x3f] = {                               .state = STATE_CSI_IGNORE},
-    [0x40 ... 0x7e] = {.action = ACTION_CSI_DISPATCH, .state = STATE_GROUND},
-    [0x7f]          = {.action = ACTION_IGNORE},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9c]          = {                          .state = STATE_GROUND},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-
-static const struct state_transition state_csi_intermediate[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_EXECUTE},
-    [0x19]          = {.action = ACTION_EXECUTE},
-    [0x1c ... 0x1f] = {.action = ACTION_EXECUTE},
-    [0x20 ... 0x2f] = {.action = ACTION_COLLECT},
-    [0x30 ... 0x3f] = {                               .state = STATE_CSI_IGNORE},
-    [0x40 ... 0x7e] = {.action = ACTION_CSI_DISPATCH, .state = STATE_GROUND},
-    [0x7f]          = {.action = ACTION_IGNORE},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9c]          = {                          .state = STATE_GROUND},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-
-static const struct state_transition state_csi_ignore[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_EXECUTE},
-    [0x19]          = {.action = ACTION_EXECUTE},
-    [0x1c ... 0x1f] = {.action = ACTION_EXECUTE},
-    [0x20 ... 0x3f] = {.action = ACTION_IGNORE},
-    [0x40 ... 0x7e] = {                          .state = STATE_GROUND},
-    [0x7f]          = {.action = ACTION_IGNORE},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9c]          = {                          .state = STATE_GROUND},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-
-static const struct state_transition state_osc_string[256] = {
-    [0x00 ... 0x06] = {.action = ACTION_IGNORE},
-    [0x07]          = {                           .state = STATE_GROUND},
-    [0x08 ... 0x17] = {.action = ACTION_IGNORE},
-    [0x19]          = {.action = ACTION_IGNORE},
-    [0x1c ... 0x1f] = {.action = ACTION_IGNORE},
-
-    [0x20 ... 0xff] = {.action = ACTION_OSC_PUT},
-
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-#if 0
-    [0x20 ... 0x7f] = {.action = ACTION_OSC_PUT},
-    [0x9c]          = {                           .state = STATE_GROUND},
-
-    [0xc0 ... 0xdf] = {.action = ACTION_OSC_PUT},
-    [0xe0 ... 0xef] = {.action = ACTION_OSC_PUT},
-    [0xf0 ... 0xf7] = {.action = ACTION_OSC_PUT},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9c]          = {                          .state = STATE_GROUND},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-#endif
-};
-
-static const struct state_transition state_dcs_entry[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_IGNORE},
-    [0x19]          = {.action = ACTION_IGNORE},
-    [0x1c ... 0x1f] = {.action = ACTION_IGNORE},
-    [0x20 ... 0x2f] = {.action = ACTION_COLLECT, .state = STATE_DCS_INTERMEDIATE},
-    [0x30 ... 0x39] = {.action = ACTION_PARAM,   .state = STATE_DCS_PARAM},
-    [0x3a]          = {                          .state = STATE_DCS_IGNORE},
-    [0x3b]          = {.action = ACTION_PARAM,   .state = STATE_DCS_PARAM},
-    [0x3c ... 0x3f] = {.action = ACTION_COLLECT, .state = STATE_DCS_PARAM},
-    [0x40 ... 0x7e] = {                          .state = STATE_DCS_PASSTHROUGH},
-    [0x7f]          = {.action = ACTION_IGNORE},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9c]          = {                          .state = STATE_GROUND},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-
-static const struct state_transition state_dcs_param[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_IGNORE},
-    [0x19]          = {.action = ACTION_IGNORE},
-    [0x1c ... 0x1f] = {.action = ACTION_IGNORE},
-    [0x20 ... 0x2f] = {.action = ACTION_COLLECT, .state = STATE_DCS_INTERMEDIATE},
-    [0x30 ... 0x39] = {.action = ACTION_PARAM},
-    [0x3a]          = {                          .state = STATE_DCS_IGNORE},
-    [0x3b]          = {.action = ACTION_PARAM},
-    [0x3c ... 0x3f] = {                          .state = STATE_DCS_IGNORE},
-    [0x40 ... 0x7e] = {                          .state = STATE_DCS_PASSTHROUGH},
-    [0x7f]          = {.action = ACTION_IGNORE},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9c]          = {                          .state = STATE_GROUND},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-
-static const struct state_transition state_dcs_intermediate[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_IGNORE},
-    [0x19]          = {.action = ACTION_IGNORE},
-    [0x1c ... 0x1f] = {.action = ACTION_IGNORE},
-    [0x20 ... 0x2f] = {.action = ACTION_COLLECT},
-    [0x30 ... 0x3f] = {                          .state = STATE_DCS_IGNORE},
-    [0x40 ... 0x7e] = {                          .state = STATE_DCS_PASSTHROUGH},
-    [0x7f]          = {.action = ACTION_IGNORE},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9c]          = {                          .state = STATE_GROUND},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-
-static const struct state_transition state_dcs_ignore[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_IGNORE},
-    [0x19]          = {.action = ACTION_IGNORE},
-    [0x1c ... 0x1f] = {.action = ACTION_IGNORE},
-    [0x20 ... 0x7f] = {.action = ACTION_IGNORE},
-    [0x9c]          = {                         .state = STATE_GROUND},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-
-static const struct state_transition state_dcs_passthrough[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_PUT},
-    [0x19]          = {.action = ACTION_PUT},
-    [0x1c ... 0x7e] = {.action = ACTION_PUT},
-    [0x7f]          = {.action = ACTION_IGNORE},
-    [0x9c]          = {                         .state = STATE_GROUND},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-
-static const struct state_transition state_sos_pm_apc_string[256] = {
-    [0x00 ... 0x17] = {.action = ACTION_IGNORE},
-    [0x19]          = {.action = ACTION_IGNORE},
-    [0x1c ... 0x7f] = {.action = ACTION_IGNORE},
-    [0x9c]          = {                         .state = STATE_GROUND},
-
-    /* Anywhere */
-    [0x18]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x1b]          = {                          .state = STATE_ESCAPE},
-    [0x80 ... 0x8f] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x90]          = {                          .state = STATE_DCS_ENTRY},
-    [0x91 ... 0x97] = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x98]          = {                          .state = STATE_SOS_PM_APC_STRING},
-    [0x99]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9a]          = {.action = ACTION_EXECUTE, .state = STATE_GROUND},
-    [0x9b]          = {                          .state = STATE_CSI_ENTRY},
-    [0x9d]          = {                          .state = STATE_OSC_STRING},
-    [0x9e ... 0x9f] = {                          .state = STATE_SOS_PM_APC_STRING},
-};
-#endif
-
-#if 0
-static const struct state_transition* states[] = {
-    [STATE_GROUND] = state_ground,
-    [STATE_ESCAPE] = state_escape,
-    [STATE_ESCAPE_INTERMEDIATE] = state_escape_intermediate,
-    [STATE_CSI_ENTRY] = state_csi_entry,
-    [STATE_CSI_PARAM] = state_csi_param,
-    [STATE_CSI_INTERMEDIATE] = state_csi_intermediate,
-    [STATE_CSI_IGNORE] = state_csi_ignore,
-    [STATE_OSC_STRING] = state_osc_string,
-    [STATE_DCS_ENTRY] = state_dcs_entry,
-    [STATE_DCS_PARAM] = state_dcs_param,
-    [STATE_DCS_INTERMEDIATE] = state_dcs_intermediate,
-    [STATE_DCS_IGNORE] = state_dcs_ignore,
-    [STATE_DCS_PASSTHROUGH] = state_dcs_passthrough,
-    [STATE_SOS_PM_APC_STRING] = state_sos_pm_apc_string,
-};
-#endif
-#if 0
-static const enum action entry_actions[] = {
-    [STATE_SAME] = ACTION_NONE,
-    [STATE_GROUND] = ACTION_NONE,
-    [STATE_ESCAPE] = ACTION_CLEAR,
-    [STATE_CSI_ENTRY] = ACTION_CLEAR,
-    [STATE_CSI_PARAM] = ACTION_NONE,
-    [STATE_CSI_INTERMEDIATE] = ACTION_NONE,
-    [STATE_CSI_IGNORE] = ACTION_NONE,
-    [STATE_OSC_STRING] = ACTION_OSC_START,
-    [STATE_UTF8_COLLECT] = ACTION_NONE,
-    [STATE_DCS_ENTRY] = ACTION_CLEAR,
-    [STATE_DCS_PARAM] = ACTION_NONE,
-    [STATE_DCS_INTERMEDIATE] = ACTION_NONE,
-    [STATE_DCS_IGNORE] = ACTION_NONE,
-    [STATE_DCS_PASSTHROUGH] = ACTION_HOOK,
-    [STATE_SOS_PM_APC_STRING] = ACTION_NONE,
-};
-
-static const enum action exit_actions[] = {
-    [STATE_SAME] = ACTION_NONE,
-    [STATE_GROUND] = ACTION_NONE,
-    [STATE_ESCAPE] = ACTION_NONE,
-    [STATE_CSI_ENTRY] = ACTION_NONE,
-    [STATE_CSI_PARAM] = ACTION_NONE,
-    [STATE_CSI_INTERMEDIATE] = ACTION_NONE,
-    [STATE_CSI_IGNORE] = ACTION_NONE,
-    [STATE_OSC_STRING] = ACTION_OSC_END,
-    [STATE_UTF8_COLLECT] = ACTION_NONE,
-    [STATE_DCS_ENTRY] = ACTION_NONE,
-    [STATE_DCS_PARAM] = ACTION_NONE,
-    [STATE_DCS_INTERMEDIATE] = ACTION_NONE,
-    [STATE_DCS_IGNORE] = ACTION_NONE,
-    [STATE_DCS_PASSTHROUGH] = ACTION_UNHOOK,
-    [STATE_SOS_PM_APC_STRING] = ACTION_NONE,
-};
-#endif
 #if defined(LOG_ENABLE_DBG) && LOG_ENABLE_DBG
 static const char *
 esc_as_string(struct terminal *term, uint8_t final)
@@ -1047,16 +596,6 @@ action(struct terminal *term, enum action _action, uint8_t c)
         term->vt.utf8.data[term->vt.utf8.idx++] = c;
         term->vt.utf8.left--;
         break;
-
-#if 0
-    case ACTION_UTF8_COLLECT:
-        term->vt.utf8.data[term->vt.utf8.idx++] = c;
-        if (--term->vt.utf8.left == 0) {
-            term->vt.state = STATE_GROUND;
-            action_print_utf8(term);
-        }
-        break;
-#endif
     }
 }
 
@@ -1560,16 +1099,6 @@ vt_from_slave(struct terminal *term, const uint8_t *data, size_t len)
     enum state current_state = term->vt.state
 ;
     for (size_t i = 0; i < len; i++) {
-#if 0
-        if (current_state == STATE_UTF8_COLLECT) {
-            action(term, ACTION_UTF8_COLLECT, data[i]);
-
-            current_state = term->vt.state;
-            continue;
-        }
-        const struct state_transition *table = NULL;
-#endif
-
         switch (current_state) {
         case STATE_GROUND:              term->vt.state = current_state = state_ground_switch(term, data[i]); continue;
         case STATE_ESCAPE:              term->vt.state = current_state = state_escape_switch(term, data[i]); continue;
@@ -1591,29 +1120,5 @@ vt_from_slave(struct terminal *term, const uint8_t *data, size_t len)
         case STATE_UTF8_COLLECT_3:      term->vt.state = current_state = state_utf8_collect_3_switch(term, data[i]); continue;
 
         }
-
-#if 0
-        assert(table != NULL);
-        const struct state_transition *transition = &table[data[i]];
-
-        if (transition->state != STATE_SAME) {
-            enum action exit_action = exit_actions[current_state];
-            action(term, exit_action, data[i]);
-        }
-
-        action(term, transition->action, data[i]);
-
-        if (transition->state != STATE_SAME) {
-            /*
-             * LOG_DBG("transition: %s -> %s", state_names[current_state],
-             *         state_names[transition->state]);
-             */
-            term->vt.state = transition->state;
-            current_state = transition->state;
-
-            enum action entry_action = entry_actions[transition->state];
-            action(term, entry_action, data[i]);
-        }
-#endif
     }
 }