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Commit e12ea64e authored by Gerd Moellmann's avatar Gerd Moellmann
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(BYTE_CODE_QUIT): New macro. 

(Fbyte_code): Use BYTE_CODE_QUIT instead of QUIT.
parent 719349f6
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Showing with 25 additions and 11 deletions
src/bytecode.c
View file @ e12ea64e
/* Execution of byte code produced by bytecomp.el.
Copyright (C) 1985, 1986, 1987, 1988, 1993, 2000 Free Software Foundation, Inc.
Copyright (C) 1985, 1986, 1987, 1988, 1993, 2000, 2001
Free Software Foundation, Inc.
This file is part of GNU Emacs.
......@@ -396,6 +397,19 @@ unmark_byte_stack ()
#endif /* not BYTE_CODE_SAFE */
/* A version of the QUIT macro which makes sure that the stack top is
set before signaling `quit'. */
#define BYTE_CODE_QUIT \
do { \
if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
{ \
Vquit_flag = Qnil; \
BEFORE_POTENTIAL_GC (); \
Fsignal (Qquit, Qnil); \
} \
} while (0)
DEFUN ("byte-code", Fbyte_code, Sbyte_code, 3, 3, 0,
"Function used internally in byte-compiled code.\n\
......@@ -529,7 +543,7 @@ If the third argument is incorrect, Emacs may crash.")
op = FETCH2;
if (NILP (POP))
{
QUIT;
BYTE_CODE_QUIT;
CHECK_RANGE (op);
stack.pc = stack.byte_string_start + op;
}
......@@ -735,7 +749,7 @@ If the third argument is incorrect, Emacs may crash.")
case Bgoto:
MAYBE_GC ();
QUIT;
BYTE_CODE_QUIT;
op = FETCH2; /* pc = FETCH2 loses since FETCH2 contains pc++ */
CHECK_RANGE (op);
stack.pc = stack.byte_string_start + op;
......@@ -746,7 +760,7 @@ If the third argument is incorrect, Emacs may crash.")
op = FETCH2;
if (!NILP (POP))
{
QUIT;
BYTE_CODE_QUIT;
CHECK_RANGE (op);
stack.pc = stack.byte_string_start + op;
}
......@@ -757,7 +771,7 @@ If the third argument is incorrect, Emacs may crash.")
op = FETCH2;
if (NILP (TOP))
{
QUIT;
BYTE_CODE_QUIT;
CHECK_RANGE (op);
stack.pc = stack.byte_string_start + op;
}
......@@ -769,7 +783,7 @@ If the third argument is incorrect, Emacs may crash.")
op = FETCH2;
if (!NILP (TOP))
{
QUIT;
BYTE_CODE_QUIT;
CHECK_RANGE (op);
stack.pc = stack.byte_string_start + op;
}
......@@ -778,7 +792,7 @@ If the third argument is incorrect, Emacs may crash.")
case BRgoto:
MAYBE_GC ();
QUIT;
BYTE_CODE_QUIT;
stack.pc += (int) *stack.pc - 127;
break;
......@@ -786,7 +800,7 @@ If the third argument is incorrect, Emacs may crash.")
MAYBE_GC ();
if (NILP (POP))
{
QUIT;
BYTE_CODE_QUIT;
stack.pc += (int) *stack.pc - 128;
}
stack.pc++;
......@@ -796,7 +810,7 @@ If the third argument is incorrect, Emacs may crash.")
MAYBE_GC ();
if (!NILP (POP))
{
QUIT;
BYTE_CODE_QUIT;
stack.pc += (int) *stack.pc - 128;
}
stack.pc++;
......@@ -807,7 +821,7 @@ If the third argument is incorrect, Emacs may crash.")
op = *stack.pc++;
if (NILP (TOP))
{
QUIT;
BYTE_CODE_QUIT;
stack.pc += op - 128;
}
else DISCARD (1);
......@@ -818,7 +832,7 @@ If the third argument is incorrect, Emacs may crash.")
op = *stack.pc++;
if (!NILP (TOP))
{
QUIT;
BYTE_CODE_QUIT;
stack.pc += op - 128;
}
else DISCARD (1);
......
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