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Make decimal string parser raise ValueError instead of RangeDefect. (#148) 

* Fix decimal parser helper to raise ValueError instead of RangeDefect.

* Get some fixes in place.
This commit is contained in:
Eugene Kabanov 2024-02-27 02:36:02 +02:00 committed by GitHub
parent 711cda4456
commit e639ba700c
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1 changed files with 8 additions and 3 deletions
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stint/io.nim
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@ -196,7 +196,8 @@ func readHexChar(c: char): int8 {.inline.}=
of 'a'..'f': result = int8 ord(c) - ord('a') + 10 of 'a'..'f': result = int8 ord(c) - ord('a') + 10
of 'A'..'F': result = int8 ord(c) - ord('A') + 10 of 'A'..'F': result = int8 ord(c) - ord('A') + 10
else: else:
raise newException(ValueError, $c & "is not a hexadecimal character") raise newException(ValueError,
"[" & $c & "] is not a hexadecimal character")
func skipPrefixes(current_idx: var int, str: string, radix: range[2..16]) {.inline.} = func skipPrefixes(current_idx: var int, str: string, radix: range[2..16]) {.inline.} =
## Returns the index of the first meaningful char in `hexStr` by skipping ## Returns the index of the first meaningful char in `hexStr` by skipping
@ -231,10 +232,14 @@ func nextNonBlank(current_idx: var int, s: string) {.inline.} =
while current_idx < s.len and s[current_idx] in blanks: while current_idx < s.len and s[current_idx] in blanks:
inc current_idx inc current_idx
func readDecChar(c: range['0'..'9']): int {.inline.}= func readDecChar(c: char): int8 {.inline.}=
## Converts a decimal char to an int ## Converts a decimal char to an int
# specialization without branching for base <= 10. # specialization without branching for base <= 10.
ord(c) - ord('0') case c
of '0'..'9':
int8(ord(c) - ord('0'))
else:
raise newException(ValueError, "[" & $c & "] is not a decimal character")
func parse*[bits: static[int]](input: string, func parse*[bits: static[int]](input: string,
T: typedesc[StUint[bits]], T: typedesc[StUint[bits]],