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better strict funcs, WIP (#15199)

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* better strict funcs, WIP

* progress
This commit is contained in:
Andreas Rumpf 2020-08-18 12:45:22 +02:00 • committed by GitHub
commit ddff13f01b
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5 changed files with 36 additions and 14 deletions
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13
lib/pure/strtabs.nim
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@ -252,7 +252,7 @@ proc `[]=`*(t: StringTableRef, key, val: string) {.
inc(t.counter)
proc newStringTable*(mode: StringTableMode): owned(StringTableRef) {.
rtlFunc, extern: "nst$1".} =
rtlFunc, extern: "nst$1", noSideEffect.} =
## Creates a new empty string table.
##
## See also:
@ -265,7 +265,7 @@ proc newStringTable*(mode: StringTableMode): owned(StringTableRef) {.
proc newStringTable*(keyValuePairs: varargs[string],
mode: StringTableMode): owned(StringTableRef) {.
rtlFunc, extern: "nst$1WithPairs".} =
rtlFunc, extern: "nst$1WithPairs", noSideEffect.} =
## Creates a new string table with given `key, value` string pairs.
##
## `StringTableMode` must be specified.
@ -276,12 +276,13 @@ proc newStringTable*(keyValuePairs: varargs[string],
result = newStringTable(mode)
var i = 0
while i < high(keyValuePairs):
result[keyValuePairs[i]] = keyValuePairs[i + 1]
{.noSideEffect.}:
result[keyValuePairs[i]] = keyValuePairs[i + 1]
inc(i, 2)
proc newStringTable*(keyValuePairs: varargs[tuple[key, val: string]],
mode: StringTableMode = modeCaseSensitive): owned(StringTableRef) {.
rtlFunc, extern: "nst$1WithTableConstr".} =
rtlFunc, extern: "nst$1WithTableConstr", noSideEffect.} =
## Creates a new string table with given `(key, value)` tuple pairs.
##
## The default mode is case sensitive.
@ -291,7 +292,9 @@ proc newStringTable*(keyValuePairs: varargs[tuple[key, val: string]],
mytab2 = newStringTable([("key3", "val3"), ("key4", "val4")])
result = newStringTable(mode)
for key, val in items(keyValuePairs): result[key] = val
for key, val in items(keyValuePairs):
{.noSideEffect.}:
result[key] = val
proc raiseFormatException(s: string) =
raise newException(ValueError, "format string: key not found: " & s)