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Use I_none opcode instead of hardcoded number

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Consolidate I_none opcode to be used everywhere
instead of mix (-1,I_none).

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Cyrill Gorcunov 2009-08-16 12:00:01 +04:00 committed by H. Peter Anvin
parent 0dd450c0ef
commit 3757524161
2 changed files with 19 additions and 19 deletions
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2
assemble.c
View File

@ -667,7 +667,7 @@ int64_t insn_size(int32_t segment, int64_t offset, int bits, uint32_t cp,
errfunc = error; /* to pass to other functions */
cpu = cp;
if (instruction->opcode == -1)
if (instruction->opcode == I_none)
return 0;
if (instruction->opcode == I_DB || instruction->opcode == I_DW ||

36
parser.c
View File

@ -213,14 +213,14 @@ restart_parse:
result->operands = 0; /* must initialize this */
if (i == 0) { /* blank line - ignore */
result->opcode = -1; /* and no instruction either */
result->opcode = I_none; /* and no instruction either */
return result;
}
if (i != TOKEN_ID && i != TOKEN_INSN && i != TOKEN_PREFIX &&
(i != TOKEN_REG || (REG_SREG & ~nasm_reg_flags[tokval.t_integer]))) {
nasm_error(ERR_NONFATAL, "label or instruction expected"
" at start of line");
result->opcode = -1;
result->opcode = I_none;
return result;
}
@ -249,7 +249,7 @@ restart_parse:
}
if (i == 0) {
result->opcode = -1; /* this line contains just a label */
result->opcode = I_none; /* this line contains just a label */
return result;
}
@ -273,7 +273,7 @@ restart_parse:
evaluate(stdscan, NULL, &tokval, NULL, pass0, nasm_error, NULL);
i = tokval.t_type;
if (!value) { /* but, error in evaluator */
result->opcode = -1; /* unrecoverable parse error: */
result->opcode = I_none; /* unrecoverable parse error: */
return result; /* ignore this instruction */
}
if (!is_simple(value)) {
@ -325,7 +325,7 @@ restart_parse:
return result;
} else {
nasm_error(ERR_NONFATAL, "parser: instruction expected");
result->opcode = -1;
result->opcode = I_none;
return result;
}
}
@ -486,7 +486,7 @@ restart_parse:
critical, nasm_error, NULL);
i = tokval.t_type;
if (!value) { /* error in evaluator */
result->opcode = -1; /* unrecoverable parse error: */
result->opcode = I_none; /* unrecoverable parse error: */
return result; /* ignore this instruction */
}
if (is_unknown(value)) {
@ -516,7 +516,7 @@ restart_parse:
if (i != ',') {
nasm_error(ERR_NONFATAL, "comma expected after operand %d",
oper_num);
result->opcode = -1; /* unrecoverable parse error: */
result->opcode = I_none; /* unrecoverable parse error: */
return result; /* ignore this instruction */
}
}
@ -547,7 +547,7 @@ restart_parse:
* If we reach here, one of the above errors happened.
* Throw the instruction away.
*/
result->opcode = -1;
result->opcode = I_none;
return result;
} else /* DB ... */ if (oper_num == 0)
nasm_error(ERR_WARNING | ERR_PASS1,
@ -665,7 +665,7 @@ restart_parse:
result->forw_ref = true;
}
if (!value) { /* nasm_error in evaluator */
result->opcode = -1; /* unrecoverable parse error: */
result->opcode = I_none; /* unrecoverable parse error: */
return result; /* ignore this instruction */
}
if (i == ':' && mref) { /* it was seg:offset */
@ -698,7 +698,7 @@ restart_parse:
}
/* and get the offset */
if (!value) { /* but, error in evaluator */
result->opcode = -1; /* unrecoverable parse error: */
result->opcode = I_none; /* unrecoverable parse error: */
return result; /* ignore this instruction */
}
}
@ -755,7 +755,7 @@ restart_parse:
else if (e->value != 1) { /* If both want to be index */
nasm_error(ERR_NONFATAL,
"beroset-p-592-invalid effective address");
result->opcode = -1;
result->opcode = I_none;
return result;
} else
b = e->type;
@ -765,7 +765,7 @@ restart_parse:
if (e->type <= EXPR_REG_END) { /* in fact, is there an error? */
nasm_error(ERR_NONFATAL,
"beroset-p-603-invalid effective address");
result->opcode = -1;
result->opcode = I_none;
return result;
} else {
if (e->type == EXPR_UNKNOWN) {
@ -791,7 +791,7 @@ restart_parse:
if (e->type && e->type < EXPR_SEGBASE) {
nasm_error(ERR_NONFATAL,
"beroset-p-630-invalid effective address");
result->opcode = -1;
result->opcode = I_none;
return result;
}
while (e->type && e->value == 0)
@ -799,7 +799,7 @@ restart_parse:
if (e->type && e->value != 1) {
nasm_error(ERR_NONFATAL,
"beroset-p-637-invalid effective address");
result->opcode = -1;
result->opcode = I_none;
return result;
}
if (e->type) {
@ -813,7 +813,7 @@ restart_parse:
if (e->type) {
nasm_error(ERR_NONFATAL,
"beroset-p-650-invalid effective address");
result->opcode = -1;
result->opcode = I_none;
return result;
}
}
@ -827,7 +827,7 @@ restart_parse:
if (e->type != 0) { /* there'd better be nothing left! */
nasm_error(ERR_NONFATAL,
"beroset-p-663-invalid effective address");
result->opcode = -1;
result->opcode = I_none;
return result;
}
@ -887,7 +887,7 @@ restart_parse:
if (value->type >= EXPR_SIMPLE || value->value != 1) {
nasm_error(ERR_NONFATAL, "invalid operand type");
result->opcode = -1;
result->opcode = I_none;
return result;
}
@ -897,7 +897,7 @@ restart_parse:
for (i = 1; value[i].type; i++)
if (value[i].value) {
nasm_error(ERR_NONFATAL, "invalid operand type");
result->opcode = -1;
result->opcode = I_none;
return result;
}