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Rename Lisp printer state variables

This commit is contained in:
Lassi Kortela 2019-08-25 12:58:40 +03:00
parent 098a991ed8
commit dd3cc748ec
1 changed files with 53 additions and 47 deletions
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100
c/print.h
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@ -19,28 +19,29 @@ static fixnum_t print_level;
static struct htable printconses;
static uint32_t printlabel;
static fixnum_t P_LEVEL; // current indent level
static int HPOS = 0, VPOS; // current line and column number
static fixnum_t cur_line;
static fixnum_t cur_column = 0;
static fixnum_t cur_level;
static void outc(char c, struct ios *f)
{
ios_putc(c, f);
if (c == '\n')
HPOS = 0;
cur_column = 0;
else
HPOS++;
cur_column++;
}
static void outs(char *s, struct ios *f)
{
ios_puts(s, f);
HPOS += u8_strwidth(s);
cur_column += u8_strwidth(s);
}
static void outsn(char *s, struct ios *f, size_t n)
{
ios_write(f, s, n);
HPOS += u8_strwidth(s);
cur_column += u8_strwidth(s);
}
static int outindent(int n, struct ios *f)
@ -52,8 +53,8 @@ static int outindent(int n, struct ios *f)
n = 2;
n0 = n;
ios_putc('\n', f);
VPOS++;
HPOS = n;
cur_line++;
cur_column = n;
while (n) {
ios_putc(' ', f);
n--;
@ -276,8 +277,9 @@ static void print_pair(struct ios *f, value_t v)
{
value_t cd, head;
char *op;
int startpos, newindent, blk, n_unindented;
int lastv, n, si, ind, est, always, nextsmall, thistiny, after2, after3;
fixnum_t last_line;
int startpos, newindent, blk, n_unindented, n, si, ind, est, always,
nextsmall, thistiny, after2, after3;
op = NULL;
if (iscons(cdr_(v)) && cdr_(cdr_(v)) == NIL &&
@ -294,9 +296,9 @@ static void print_pair(struct ios *f, value_t v)
fl_print_child(f, car_(cdr_(v)));
return;
}
startpos = HPOS;
startpos = cur_column;
outc('(', f);
newindent = HPOS;
newindent = cur_column;
blk = blockindent(v);
n = ind = always = 0;
if (!blk)
@ -311,7 +313,7 @@ static void print_pair(struct ios *f, value_t v)
outsn("...)", f, 4);
break;
}
lastv = VPOS;
last_line = cur_line;
unmark_cons(v);
fl_print_child(f, car_(v));
if (!iscons(cd) || ptrhash_has(&printconses, (void *)cd)) {
@ -330,22 +332,23 @@ static void print_pair(struct ios *f, value_t v)
est = lengthestimate(car_(cd));
nextsmall = smallp(car_(cd));
thistiny = tinyp(car_(v));
ind = (((VPOS > lastv) || (HPOS > print_width / 2 && !nextsmall &&
!thistiny && n > 0)) ||
ind =
(((cur_line > last_line) || (cur_column > print_width / 2 &&
!nextsmall && !thistiny && n > 0)) ||
(HPOS > print_width - 4) ||
(cur_column > print_width - 4) ||
(est != -1 && (HPOS + est > print_width - 2)) ||
(est != -1 && (cur_column + est > print_width - 2)) ||
((head == LAMBDA) && !nextsmall) ||
((head == LAMBDA) && !nextsmall) ||
(n > 0 && always) ||
(n > 0 && always) ||
(n == 2 && after3) || (n == 1 && after2) ||
(n == 2 && after3) || (n == 1 && after2) ||
(n_unindented >= 3 && !nextsmall) ||
(n_unindented >= 3 && !nextsmall) ||
(n == 0 && !smallp(head)));
(n == 0 && !smallp(head)));
}
if (ind) {
@ -360,7 +363,7 @@ static void print_pair(struct ios *f, value_t v)
if (si != -1)
newindent = startpos + si;
else if (!blk)
newindent = HPOS;
newindent = cur_column;
}
}
n++;
@ -377,10 +380,10 @@ static int print_circle_prefix(struct ios *f, value_t v)
if ((label = (value_t)ptrhash_get(&printconses, (void *)v)) !=
(value_t)HT_NOTFOUND) {
if (!ismarked(v)) {
HPOS += ios_printf(f, "#%ld#", numval(label));
cur_column += ios_printf(f, "#%ld#", numval(label));
return 1;
}
HPOS += ios_printf(f, "#%ld=", numval(label));
cur_column += ios_printf(f, "#%ld=", numval(label));
}
if (ismanaged(v))
unmark_cons(v);
@ -391,16 +394,16 @@ void fl_print_child(struct ios *f, value_t v)
{
char *name;
if (print_level >= 0 && P_LEVEL >= print_level &&
if (print_level >= 0 && cur_level >= print_level &&
(iscons(v) || isvector(v) || isclosure(v))) {
outc('#', f);
return;
}
P_LEVEL++;
cur_level++;
switch (tag(v)) {
case TAG_NUM:
case TAG_NUM1:
HPOS += ios_printf(f, "%ld", numval(v));
cur_column += ios_printf(f, "%ld", numval(v));
break;
case TAG_SYM:
name = symbol_name(v);
@ -474,7 +477,7 @@ void fl_print_child(struct ios *f, value_t v)
int newindent, est, sz, i;
outc('[', f);
newindent = HPOS;
newindent = cur_column;
sz = vector_size(v);
for (i = 0; i < sz; i++) {
if (print_length >= 0 && i >= print_length && i < sz - 1) {
@ -487,9 +490,10 @@ void fl_print_child(struct ios *f, value_t v)
outc(' ', f);
} else {
est = lengthestimate(vector_elt(v, i + 1));
if (HPOS > print_width - 4 ||
(est != -1 && (HPOS + est > print_width - 2)) ||
(HPOS > print_width / 2 &&
if (cur_column > print_width - 4 ||
(est != -1 &&
(cur_column + est > print_width - 2)) ||
(cur_column > print_width / 2 &&
!smallp(vector_elt(v, i + 1)) &&
!tinyp(vector_elt(v, i))))
newindent = outindent(newindent, f);
@ -507,7 +511,7 @@ void fl_print_child(struct ios *f, value_t v)
print_pair(f, v);
break;
}
P_LEVEL--;
cur_level--;
}
static void print_string(struct ios *f, char *str, size_t sz)
@ -642,9 +646,9 @@ static void cvalue_printdata(struct ios *f, void *data, size_t len,
if (!print_readably)
outc(ch, f);
else if (weak)
HPOS += ios_printf(f, "#x%hhx", ch);
cur_column += ios_printf(f, "#x%hhx", ch);
else
HPOS += ios_printf(f, "#byte(#x%hhx)", ch);
cur_column += ios_printf(f, "#byte(#x%hhx)", ch);
} else if (type == wcharsym) {
char seq[8];
uint32_t wc = *(uint32_t *)data;
@ -684,7 +688,7 @@ static void cvalue_printdata(struct ios *f, void *data, size_t len,
else if (iswprint(wc))
outs(seq, f);
else
HPOS += ios_printf(f, "x%04x", (int)wc);
cur_column += ios_printf(f, "x%04x", (int)wc);
}
} else if (type == floatsym || type == doublesym) {
char buf[64];
@ -706,7 +710,8 @@ static void cvalue_printdata(struct ios *f, void *data, size_t len,
else
rep = sign_bit(d) ? "-inf.0" : "+inf.0";
if (type == floatsym && print_readably && !weak)
HPOS += ios_printf(f, "#%s(%s)", symbol_name(type), rep);
cur_column +=
ios_printf(f, "#%s(%s)", symbol_name(type), rep);
else
outs(rep, f);
} else if (d == 0) {
@ -734,21 +739,22 @@ static void cvalue_printdata(struct ios *f, void *data, size_t len,
) {
uint64_t ui64 = *(uint64_t *)data;
if (weak || !print_readably)
HPOS += ios_printf(f, "%llu", ui64);
cur_column += ios_printf(f, "%llu", ui64);
else
HPOS += ios_printf(f, "#%s(%llu)", symbol_name(type), ui64);
cur_column += ios_printf(f, "#%s(%llu)", symbol_name(type), ui64);
} else if (issymbol(type)) {
// handle other integer prims. we know it's smaller than uint64
// at this point, so int64 is big enough to capture everything.
numerictype_t nt = sym_to_numtype(type);
if (nt == N_NUMTYPES) {
HPOS += ios_printf(f, "#<%s>", symbol_name(type));
cur_column += ios_printf(f, "#<%s>", symbol_name(type));
} else {
int64_t i64 = conv_to_int64(data, nt);
if (weak || !print_readably)
HPOS += ios_printf(f, "%lld", i64);
cur_column += ios_printf(f, "%lld", i64);
else
HPOS += ios_printf(f, "#%s(%lld)", symbol_name(type), i64);
cur_column +=
ios_printf(f, "#%s(%lld)", symbol_name(type), i64);
}
} else if (iscons(type)) {
if (car_(type) == arraysym) {
@ -770,9 +776,9 @@ static void cvalue_printdata(struct ios *f, void *data, size_t len,
/*
char *nl = memrchr(data, '\n', len);
if (nl)
HPOS = u8_strwidth(nl+1);
cur_column = u8_strwidth(nl+1);
else
HPOS += u8_strwidth(data);
cur_column += u8_strwidth(data);
*/
} else {
print_string(f, (char *)data, len);
@ -834,7 +840,7 @@ static void cvalue_print(struct ios *f, value_t v)
void *fptr = *(void **)data;
label = (value_t)ptrhash_get(&reverse_dlsym_lookup_table, cv);
if (label == (value_t)HT_NOTFOUND) {
HPOS +=
cur_column +=
ios_printf(f, "#<builtin @#x%08zx>", (size_t)(builtin_t)fptr);
} else {
if (!print_readably) {
@ -884,12 +890,12 @@ void fl_print(struct ios *f, value_t v)
print_level = numval(pl);
else
print_level = -1;
P_LEVEL = 0;
cur_level = 0;
printlabel = 0;
if (print_readably)
print_traverse(v);
HPOS = VPOS = 0;
cur_line = cur_column = 0;
fl_print_child(f, v);