diff options
Diffstat (limited to 'compiler/rodutils.nim')
| -rw-r--r-- | compiler/rodutils.nim | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/compiler/rodutils.nim b/compiler/rodutils.nim index 0456e9349..66d7f63c2 100644 --- a/compiler/rodutils.nim +++ b/compiler/rodutils.nim @@ -8,18 +8,22 @@ # ## Serialization utilities for the compiler. -import strutils +import strutils, math proc c_snprintf(s: cstring; n:uint; frmt: cstring): cint {.importc: "snprintf", header: "<stdio.h>", nodecl, varargs.} proc toStrMaxPrecision*(f: BiggestFloat, literalPostfix = ""): string = - if f != f: + case classify(f) + of fcNaN: result = "NAN" - elif f == 0.0: + of fcNegZero: + result = "-0.0" & literalPostfix + of fcZero: result = "0.0" & literalPostfix - elif f == 0.5 * f: - if f > 0.0: result = "INF" - else: result = "-INF" + of fcInf: + result = "INF" + of fcNegInf: + result = "-INF" else: when defined(nimNoArrayToCstringConversion): result = newString(81) @@ -63,6 +67,8 @@ proc decodeStr*(s: cstring, pos: var int): string = const chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" +{.push overflowChecks: off.} + # since negative numbers require a leading '-' they use up 1 byte. Thus we # subtract/add `vintDelta` here to save space for small negative numbers # which are common in ROD files: @@ -127,6 +133,8 @@ proc decodeVInt*(s: cstring, pos: var int): int = proc decodeVBiggestInt*(s: cstring, pos: var int): BiggestInt = decodeIntImpl() +{.pop.} + iterator decodeVIntArray*(s: cstring): int = var i = 0 while s[i] != '\0': |