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awk: code shrink

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function                                             old     new   delta
evaluate                                            3550    3487     -63

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-03-12 21:32:13 +01:00
parent c6ba997978
commit f9782ffc45
1 changed files with 41 additions and 35 deletions
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76
editors/awk.c
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@ -2302,19 +2302,7 @@ static var *evaluate(node *op, var *res)
#define seed (G.evaluate__seed)
#define sreg (G.evaluate__sreg)
node *op1;
var *v1;
struct {
var *v;
const char *s;
} L = L; /* for compiler */
struct {
var *v;
const char *s;
} R = R;
double L_d = L_d;
uint32_t opinfo;
int opn;
if (!op)
return setvar_s(res, NULL);
@ -2322,12 +2310,25 @@ static var *evaluate(node *op, var *res)
v1 = nvalloc(2);
while (op) {
struct {
var *v;
const char *s;
} L = L; /* for compiler */
struct {
var *v;
const char *s;
} R = R;
double L_d = L_d;
uint32_t opinfo;
int opn;
node *op1;
opinfo = op->info;
opn = (opinfo & OPNMASK);
g_lineno = op->lineno;
op1 = op->l.n;
/* execute inevitable things */
op1 = op->l.n;
if (opinfo & OF_RES1)
L.v = evaluate(op1, v1);
if (opinfo & OF_RES2)
@ -2429,20 +2430,23 @@ static var *evaluate(node *op, var *res)
case XC( OC_DELETE ): {
uint32_t info = op1->info & OPCLSMASK;
var *v;
if (info == OC_VAR) {
R.v = op1->l.v;
v = op1->l.v;
} else if (info == OC_FNARG) {
R.v = &fnargs[op1->l.aidx];
v = &fnargs[op1->l.aidx];
} else {
syntax_error(EMSG_NOT_ARRAY);
}
if (op1->r.n) {
const char *s;
clrvar(L.v);
L.s = getvar_s(evaluate(op1->r.n, v1));
hash_remove(iamarray(R.v), L.s);
s = getvar_s(evaluate(op1->r.n, v1));
hash_remove(iamarray(v), s);
} else {
clear_array(iamarray(R.v));
clear_array(iamarray(v));
}
break;
}
@ -2520,30 +2524,32 @@ static var *evaluate(node *op, var *res)
break;
case XC( OC_FUNC ): {
var *v;
var *vbeg, *v;
const char *sv_progname;
if (!op->r.f->body.first)
syntax_error(EMSG_UNDEF_FUNC);
v = R.v = nvalloc(op->r.f->nargs + 1);
vbeg = v = nvalloc(op->r.f->nargs + 1);
while (op1) {
L.v = evaluate(nextarg(&op1), v1);
copyvar(R.v, L.v);
R.v->type |= VF_CHILD;
R.v->x.parent = L.v;
if (++R.v - v >= op->r.f->nargs)
var *arg = evaluate(nextarg(&op1), v1);
copyvar(v, arg);
v->type |= VF_CHILD;
v->x.parent = arg;
if (++v - vbeg >= op->r.f->nargs)
break;
}
R.v = fnargs;
v = fnargs;
fnargs = vbeg;
sv_progname = g_progname;
res = evaluate(op->r.f->body.first, res);
g_progname = sv_progname;
nvfree(fnargs);
fnargs = v;
L.s = g_progname;
res = evaluate(op->r.f->body.first, res);
g_progname = L.s;
nvfree(fnargs);
fnargs = R.v;
break;
}
@ -2790,9 +2796,9 @@ static var *evaluate(node *op, var *res)
if (is_numeric(L.v) && is_numeric(R.v)) {
Ld = getvar_i(L.v) - getvar_i(R.v);
} else {
L.s = getvar_s(L.v);
R.s = getvar_s(R.v);
Ld = icase ? strcasecmp(L.s, R.s) : strcmp(L.s, R.s);
const char *l = getvar_s(L.v);
const char *r = getvar_s(R.v);
Ld = icase ? strcasecmp(l, r) : strcmp(l, r);
}
switch (opn & 0xfe) {
case 0: