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vt: remove almost all abort() calls

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Replace with generic error log messages that simply says the
ESC/CSI/OSC sequence is unhandled. This can mean either invalid or
unimplemented, depending on the context.
This commit is contained in:
Daniel Eklöf 2019-07-30 21:42:46 +02:00
parent 84f868f88d
commit 8acc3b891d
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GPG key ID: 5BBD4992C116573F
3 changed files with 49 additions and 83 deletions
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15
vt.c
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@ -12,6 +12,8 @@
#include "grid.h"
#include "osc.h"
#define UNHANDLED() LOG_ERR("unhandled: %s", esc_as_string(term, final))
/* https://vt100.net/emu/dec_ansi_parser */
enum state {
@ -613,8 +615,7 @@ esc_dispatch(struct terminal *term, uint8_t final)
case '+': term->charset[3] = CHARSET_ASCII; break;
default:
LOG_ERR("%s: invalid charset identifier", esc_as_string(term, final));
abort();
UNHANDLED();
break;
}
break;
@ -658,8 +659,7 @@ esc_dispatch(struct terminal *term, uint8_t final)
case '+': term->charset[3] = CHARSET_GRAPHIC; break;
default:
LOG_ERR("%s: invalid charset identifier", esc_as_string(term, final));
abort();
UNHANDLED();
break;
}
break;
@ -674,8 +674,7 @@ esc_dispatch(struct terminal *term, uint8_t final)
break;
default:
LOG_ERR("unimplemented: ESC: %s", esc_as_string(term, final));
abort();
UNHANDLED();
break;
}
}
@ -888,10 +887,8 @@ action(struct terminal *term, enum action _action, uint8_t c)
term->vt.private[0] = c;
else if (term->vt.private[1] == 0)
term->vt.private[1] = c;
else {
else
LOG_ERR("only two private/intermediate characters supported");
abort();
}
break;
case ACTION_ESC_DISPATCH: