larvit/fejkdata
3
0
Fork 0
Code Pull Requests 1 Actions Activity

Move DataType into internal/datatype, aliased by the root, and what a proof knows of a value into internal/proven

Browse Source
This commit is contained in:
Lilleman auf Larv
2026-10-05 15:28:35 +02:00
committed by Lillem4n
parent 83e4daefdb
commit 9357abb279
9 changed files with 305 additions and 263 deletions
Download Patch File Download Diff File Expand all files Collapse all files
builtins.go
+9 -11
View File
@@ -9,6 +9,7 @@ import (
"strings"
"github.com/larvit/fejkdata/internal/drawstate"
"github.com/larvit/fejkdata/internal/proven"
)
// maxLen caps sample output lengths (hex, nanoid, base64, digits, upper, lower)
@@ -20,9 +21,6 @@ const (
maxDecimals = 1024
)
// shortestDecimals prints the fewest digits that read back as the same float64.
const shortestDecimals = -1
// builtins is the registry of {name(args)} functions. Derivations read the digits
// emitted so far in the current expansion (place them after their payload);
// samples read only the rng. A time-based id (uuid v7, ulid) draws its timestamp
@@ -35,8 +33,8 @@ var builtins = withTransforms(map[string]builtin{
"ulid": {arity: 0, prep: sample(ulid)},
"nanoid": {arity: 1, checkArgs: posIntArg, prep: chars(nanoidAlphabet)},
"hex": {arity: 1, checkArgs: posIntArg, prep: chars(hexDigits)},
"digits": {arity: 1, checkArgs: posIntArg, prep: chars("0123456789"), prints: DataTypeString, proveNumber: func(token string, prints DataType, a []string) proven {
return printing(token, prints, bounded(0, math.Pow(10, float64(atoi(a[0])))-1, true))
"digits": {arity: 1, checkArgs: posIntArg, prep: chars("0123456789"), prints: DataTypeString, proveNumber: func(token string, prints DataType, a []string) proven.Value {
return proven.Printing(token, prints, proven.Bounded(0, math.Pow(10, float64(atoi(a[0])))-1, true))
}},
"upper": {arity: 1, checkArgs: posIntArg, prep: chars("ABCDEFGHIJKLMNOPQRSTUVWXYZ")},
"lower": {arity: 1, checkArgs: posIntArg, prep: chars("abcdefghijklmnopqrstuvwxyz")},
@@ -49,16 +47,16 @@ var builtins = withTransforms(map[string]builtin{
"int": {arity: 2, checkArgs: intRangeArgs, prep: func(a []string) callFn {
lo, span := atoi(a[0]), atoi(a[1])-atoi(a[0])+1
return func(s *drawstate.State, _ string, _ []string) string { return strconv.Itoa(lo + s.IntN(span)) }
}, prints: DataTypeInteger, proveNumber: func(token string, prints DataType, a []string) proven {
return printing(token, prints, bounded(float64(atoi(a[0])), float64(atoi(a[1])), true))
}, prints: DataTypeInteger, proveNumber: func(token string, prints DataType, a []string) proven.Value {
return proven.Printing(token, prints, proven.Bounded(float64(atoi(a[0])), float64(atoi(a[1])), true))
}},
"float": {arity: 3, checkArgs: floatArgs, prep: func(a []string) callFn {
lo, hi, dp := atof(a[0]), atof(a[1]), atoi(a[2])
return func(s *drawstate.State, _ string, _ []string) string {
return formatFloat(lo+s.Float64()*(hi-lo), dp)
}
}, prints: DataTypeNumber, proveNumber: func(token string, _ DataType, a []string) proven {
return printedNumber(token, bounded(atof(a[0]), atof(a[1]), false), atoi(a[2]))
}, prints: DataTypeNumber, proveNumber: func(token string, _ DataType, a []string) proven.Value {
return proven.PrintedNumber(token, proven.Bounded(atof(a[0]), atof(a[1]), false), atoi(a[2]))
}},
"iban": {arity: 1, checkArgs: ibanArg, prep: func(a []string) callFn {
cc := a[0]
@@ -78,8 +76,8 @@ var builtins = withTransforms(map[string]builtin{
return func(s *drawstate.State, _ string, _ []string) string {
return strconv.FormatUint(s.Seq(key), 10)
}
}, prints: DataTypeInteger, proveNumber: func(token string, prints DataType, _ []string) proven {
return printing(token, prints, bounded(1, math.MaxInt64, true))
}, prints: DataTypeInteger, proveNumber: func(token string, prints DataType, _ []string) proven.Value {
return proven.Printing(token, prints, proven.Bounded(1, math.MaxInt64, true))
}},
})