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https://github.com/golang/go
synced 2024-11-21 23:54:40 -07:00
make digits a string instead of an array of bytes.
use string* to pass it around. SVN=114795
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parent
5d6eba80f8
commit
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@ -15,8 +15,8 @@ import sys "sys"
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export Fmt, New;
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var ldigits [16]byte; // BUG: should be constants
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var udigits [16]byte; // BUG: can they be strings? looks like trouble with buf[i] = digits[val];
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var ldigits string;
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var udigits string;
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var inited bool;
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var pows10 [160] double;
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@ -43,18 +43,11 @@ func (f *Fmt) init() {
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if inited {
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return;
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}
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var i byte;
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for i = 0; i < 10; i++ {
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ldigits[i] = '0' + i;
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udigits[i] = '0' + i;
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}
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for i = 0; i < 6; i++ {
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ldigits[i+10] = 'a' + i;
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udigits[i+10] = 'A' + i;
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}
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ldigits = "0123456789abcdef"; // BUG: should be initialized const
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udigits = "0123456789ABCDEF"; // BUG: should be initialized const
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// BUG: should be done with initialization
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var p double = 1.0;
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for i = 0; i < 160; i++ { // BUG: len(pows10)
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for i := 0; i < 160; i++ { // BUG: len(pows10)
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pows10[i] = p;
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p *= 10.0;
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}
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@ -141,18 +134,18 @@ func (f *Fmt) pad(s string) {
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// never mind.) val is known to be unsigned. we could make things maybe
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// marginally faster by splitting the 32-bit case out into a separate function
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// but it's not worth the duplication, so val has 64 bits.
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func putint(buf *[64]byte, i int, base, val uint64, digits *[16]byte) int {
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func putint(buf *[64]byte, i int, base, val uint64, digits *string) int {
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for val >= base {
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buf[i] = digits[val%base];
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buf[i] = (*digits)[val%base]; // BUG: shouldn't need indirect
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i--;
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val /= base;
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}
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buf[i] = digits[val];
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buf[i] = (*digits)[val]; // BUG: shouldn't need indirect
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return i-1;
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}
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// integer; interprets prec but not wid.
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func (f *Fmt) integer(a int64, base uint, is_signed bool, digits *[16]byte) string {
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func (f *Fmt) integer(a int64, base uint, is_signed bool, digits *string) string {
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var buf [64]byte;
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negative := is_signed && a < 0;
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if negative {
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@ -300,8 +293,7 @@ func (f *Fmt) c(a int) *Fmt {
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func (f *Fmt) s(s string) *Fmt {
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if f.prec_present {
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if f.prec < len(s) {
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w := f.prec; // BUG: can't use f.prec in slice
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s = s[0:w];
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s = s[0:f.prec];
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}
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}
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f.pad(s);
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