navigine/jq
1
0 Fork 0
mirror of https://github.com/jqlang/jq.git synced 2026-10-30 10:06:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

Save literal value of the parsed number to preserve it for the output

Browse Source 
Extend jv_number to use decNumber for storing number literals. Any math
operations on the numbers will truncate them to double precision.
Comparisons when both numbers are literal numbers will compare them
without truncation.

Delay conversion of numbers to doubles until a math operation is performed,
to preserve precision. A literal jv_number will only need conversion to
double once, and will reuse the resultant double on subsequent
conversions.

Outputting literal jv_numbers preserves the original precision.

Add strong pthread requirement to manage contexts/allocations for
converting numbers between their decNumber, string, and double formats.
This commit is contained in:
Leonid S. Usov authored and William Langford committed 2019-10-22 14:11:04 -04:00
1 parent b6be13d5de
commit cf4b48c7ba
21 files changed
+1374 -755
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

src/parser.y
+15 -9
View File
@@ -172,7 +172,7 @@ static jv check_object_key(block k) {
char errbuf[15];
return jv_string_fmt("Cannot use %s (%s) as object key",
jv_kind_name(block_const_kind(k)),
jv_dump_string_trunc(jv_copy(block_const(k)), errbuf, sizeof(errbuf)));
jv_dump_string_trunc(block_const(k), errbuf, sizeof(errbuf)));
}
return jv_invalid();
}
@@ -216,19 +216,25 @@ static block constant_fold(block a, block b, int op) {
jv res = jv_invalid();
if (block_const_kind(a) == JV_KIND_NUMBER) {
double na = jv_number_value(block_const(a));
double nb = jv_number_value(block_const(b));
jv jv_a = block_const(a);
jv jv_b = block_const(b);
double na = jv_number_value(jv_a);
double nb = jv_number_value(jv_b);
int cmp = jv_cmp(jv_a, jv_b);
switch (op) {
case '+': res = jv_number(na + nb); break;
case '-': res = jv_number(na - nb); break;
case '*': res = jv_number(na * nb); break;
case '/': res = jv_number(na / nb); break;
case EQ: res = (na == nb ? jv_true() : jv_false()); break;
case NEQ: res = (na != nb ? jv_true() : jv_false()); break;
case '<': res = (na < nb ? jv_true() : jv_false()); break;
case '>': res = (na > nb ? jv_true() : jv_false()); break;
case LESSEQ: res = (na <= nb ? jv_true() : jv_false()); break;
case GREATEREQ: res = (na >= nb ? jv_true() : jv_false()); break;
case EQ: res = (cmp == 0 ? jv_true() : jv_false()); break;
case NEQ: res = (cmp != 0 ? jv_true() : jv_false()); break;
case '<': res = (cmp < 0 ? jv_true() : jv_false()); break;
case '>': res = (cmp > 0 ? jv_true() : jv_false()); break;
case LESSEQ: res = (cmp <= 0 ? jv_true() : jv_false()); break;
case GREATEREQ: res = (cmp >= 0 ? jv_true() : jv_false()); break;
default: break;
}
} else if (op == '+' && block_const_kind(a) == JV_KIND_STRING) {