This commit is contained in:
adman
2025-12-15 22:07:37 +01:00
parent 01bf2a575c
commit 6108534a12
1118 changed files with 13788358 additions and 331 deletions
+523
View File
@@ -0,0 +1,523 @@
package main
import (
"go/ast"
"go/token"
"slices"
"strconv"
"github.com/go-viper/mapstructure/v2"
)
func DefaultDecoder(_ *Generator, varToSet ast.Expr, _ any, _ string) (s []ast.Stmt, err error) {
s = Stmts(
Assign(
Exprs(varToSet, Ident("err")),
Exprs(Call(SelectorExprAndStr(varToSet, "Decode"), Ident("r"))),
),
IfErrNil(),
)
return
}
func UUIDDecoder(_ *Generator, varToSet ast.Expr, _ any, _ string) (s []ast.Stmt, err error) {
//_, err = io.ReadFull(r, U[:])
s = Stmts(
Assign(Exprs(Ident("_"), Ident("err")), Exprs(Call(Selector("io", "ReadFull"), Ident("r"), MultiIndex(varToSet, nil, nil, nil)))),
IfErrNil(),
)
return
}
func ContainerDecoder(g *Generator, varToSet ast.Expr, dataRaw any, name string) (s []ast.Stmt, err error) {
var data []struct {
Name string
Type any
Anon bool
}
err = mapstructure.Decode(dataRaw, &data)
if err != nil {
return
}
g.ContainerStack = append(g.ContainerStack, ContainerStackEntry{
Data: data,
VarToSet: varToSet,
})
defer func() { g.ContainerStack = g.ContainerStack[:len(g.ContainerStack)-1] }()
for _, field := range data {
var statements []ast.Stmt
cName := CamelCase(field.Name)
if field.Anon {
cName = "Anon"
}
statements, err = g.VisitDecoder(SelectorExprAndStr(varToSet, cName), field.Type, name+cName)
if err != nil {
return
}
s = append(s, statements...)
}
return
}
func SimpleTypeDecoder(_ *Generator, varToSet ast.Expr, _ any, _ string) (s []ast.Stmt, err error) {
s = Stmts(
Assign(
Exprs(Ident("err")),
Exprs(Call(Selector("binary", "Read"), Ident("r"), Selector("binary", "BigEndian"), AddrOf(varToSet))),
),
IfErrNil(),
)
return
}
func StringDecoder(_ *Generator, varToSet ast.Expr, _ any, _ string) (s []ast.Stmt, err error) {
s = Stmts(
Assign(Exprs(varToSet, Ident("err")), Exprs(Call(Selector("queser", "DecodeString"), Ident("r")))),
IfErrNil(),
)
return
}
func OptionDecoder(g *Generator, varToSet ast.Expr, dataRaw any, name string) (s []ast.Stmt, err error) {
pVarName := name + "Present"
tVarName := name + "PresentValue"
boolStmts, err := g.VisitDecoder(Ident(pVarName), "bool", name)
if err != nil {
return
}
t, err := g.VisitType(dataRaw)
if err != nil {
return
}
tStmts1 := Stmts(VarStmt(tVarName, t))
tStmts2, err := g.VisitDecoder(Ident(tVarName), dataRaw, name)
if err != nil {
return
}
// This looks so shit
tStmts := append(tStmts1, tStmts2...)
tStmts = append(tStmts, Assign121(varToSet, AddrOf(Ident(tVarName))))
s = append(s, VarStmt(pVarName, Ident("bool")))
s = append(s, boolStmts...)
s = append(s, If(Ident(pVarName), NewBlock(tStmts)))
return
}
func ArrayDecoder(g *Generator, varToSet ast.Expr, dataRaw any, name string) (s []ast.Stmt, err error) {
var data struct {
CountType any
Type any
}
lName := "l" + CamelCase(name)
err = mapstructure.Decode(dataRaw, &data)
if err != nil {
return
}
countType, err := g.VisitType(data.CountType)
if err != nil {
return
}
s2, err := g.VisitDecoder(Ident(lName), data.CountType, name)
if err != nil {
return
}
normalType, err := g.VisitType(data.Type)
if err != nil {
return
}
arrayType, err := g.VisitNameAndData("array", dataRaw)
if err != nil {
return
}
tName := name + "Element"
rangeStatements := Stmts(VarStmt(tName, normalType))
s5, err := g.VisitDecoder(Ident(tName), data.Type, tName)
rangeStatements = append(rangeStatements, s5...)
rangeStatements = append(rangeStatements, Assign121(varToSet, Call(Ident("append"), varToSet, Ident(tName))))
if err != nil {
return
}
s1 := VarStmt(lName, countType)
s3 := Assign121(varToSet, CompLit(arrayType, Exprs()))
s4 := ForRange(nil, Ident(lName), NewBlock(rangeStatements))
s = append(s, s1)
s = append(s, s2...)
s = append(s, s3)
s = append(s, s4)
return
}
func TypeForwardDecoder(g *Generator, varToSet ast.Expr, dataRaw any, name string) (s []ast.Stmt, err error) {
var data struct {
Type string
}
if err = mapstructure.Decode(dataRaw, &data); err != nil {
return
}
return g.VisitDecoder(varToSet, data.Type, name)
}
var DontStringify = []string{"true", "false"}
// CaseExprType This exists to fix this
// "switch",
//
// {
// "compareTo": "itemCount",
// "fields": {
// "0": "void",
// "false": "void"
// },
// "default": [
//
// Protodef is best!!!
type CaseExprType int
const (
CaseExprTypeUnset CaseExprType = iota
CaseExprTypeNumber
CaseExprTypeSpecial
CaseExprTypeString
)
func MultiTypeFix(s string, t *CaseExprType) (e ast.Expr) {
n, err := strconv.Atoi(s)
ct := CaseExprTypeUnset
if err == nil {
err = nil
e = NumLit(n)
ct = CaseExprTypeNumber
} else if slices.Contains(DontStringify, s) {
e = Ident(s)
ct = CaseExprTypeSpecial
} else {
e = StrLit(s)
ct = CaseExprTypeString
}
if *t == CaseExprTypeUnset {
*t = ct
return
}
if *t != ct {
e = nil
}
return
}
func SwitchDecoder(g *Generator, varToSet ast.Expr, dataRaw any, name string) (s []ast.Stmt, err error) {
var data struct {
CompareTo string
Fields map[string]any
Default any
}
err = mapstructure.Decode(dataRaw, &data)
if err != nil {
return
}
compareToExpr, err := ParseCompareTo(g, data.CompareTo)
if err != nil {
return
}
cet := CaseExprTypeUnset
for _, fName := range OrderedKeys(data.Fields) {
fType := data.Fields[fName]
e := MultiTypeFix(fName, &cet)
if e == nil {
continue
}
var tType ast.Expr
tType, err = g.VisitType(fType)
if err != nil {
return
}
tName := name + "Tmp"
s1 := VarStmt(tName, tType)
s3 := Assign121(varToSet, Ident(tName))
var caseDecodeValueStmts []ast.Stmt
caseDecodeValueStmts, err = g.VisitDecoder(Ident(tName), fType, name)
if err != nil {
return
}
var caseStmts []ast.Stmt
caseStmts = append(caseStmts, s1)
caseStmts = append(caseStmts, caseDecodeValueStmts...)
caseStmts = append(caseStmts, s3)
s = append(s, Case(Exprs(e), caseStmts))
}
if data.Default != nil {
var tType ast.Expr
tType, err = g.VisitType(data.Default)
tName := name + "Tmp"
s1 := VarStmt(tName, tType)
s3 := Assign121(varToSet, Ident(tName))
var caseDecodeValueStmts []ast.Stmt
caseDecodeValueStmts, err = g.VisitDecoder(Ident(tName), data.Default, name)
if err != nil {
return
}
var caseStmts []ast.Stmt
caseStmts = append(caseStmts, s1)
caseStmts = append(caseStmts, caseDecodeValueStmts...)
caseStmts = append(caseStmts, s3)
s = append(s, Case(nil, caseStmts))
}
if len(s) != 0 {
s = Stmts(SwitchStmt(compareToExpr, NewBlock(s)))
}
return
}
var ToDoStmts = Stmts(Assign121(Ident("err"), Selector("queser", "ToDoError")))
func ToDoDecoder(_ *Generator, _ ast.Expr, _ any, _ string) (s []ast.Stmt, err error) {
err = ToDoError
return
}
func MapperDecoder(g *Generator, varToSet ast.Expr, dataRaw any, name string) (s []ast.Stmt, err error) {
var data struct {
Mappings map[string]string
Type any
}
err = mapstructure.Decode(dataRaw, &data)
if err != nil {
return
}
kName := CamelCase(name) + "Key"
kType, err := g.VisitType(data.Type)
if err != nil {
return
}
s1 := VarStmt(kName, kType)
s2, err := g.VisitDecoder(Ident(kName), data.Type, name)
if err != nil {
return
}
mName := name + "Map"
expressions := Exprs()
for _, k := range OrderedKeys(data.Mappings) {
v := data.Mappings[k]
expressions = append(expressions, KeyValueExpr(NumLitStr(k), StrLit(v)))
}
g.Decl(mName, token.VAR, CompLit(MapType(kType, Ident("string")), expressions))
s3 := Assign(Exprs(varToSet, Ident("err")), Exprs(Call(Selector("queser", "ErroringIndex"), Ident(mName), Ident(kName))))
s = append(s, s1)
s = append(s, s2...)
s = append(s, s3)
s = append(s, IfErrNil())
return
}
func BufferDecoder(g *Generator, varToSet ast.Expr, dataRaw any, name string) (s []ast.Stmt, err error) {
var data struct {
Count int
CountType any
}
err = mapstructure.Decode(dataRaw, &data)
if err != nil {
return
}
// rawString, err := io.ReadAll(io.LimitReader(r, int64(l)))
if data.CountType != nil {
lName := "l" + CamelCase(name)
var countType ast.Expr
countType, err = g.VisitType(data.CountType)
if err != nil {
return
}
var s2 []ast.Stmt
s2, err = g.VisitDecoder(Ident(lName), data.CountType, name)
if err != nil {
return
}
s1 := VarStmt(lName, countType)
s3 := Assign(Exprs(varToSet, Ident("err")), Exprs(Call(Selector("io", "ReadAll"), Call(Selector("io", "LimitReader"), Ident("r"), Call(Ident("int64"), Ident(lName))))))
s = append(s, s1)
s = append(s, s2...)
s = append(s, s3)
} else {
s = Stmts(Assign(Exprs(Ident("_"), Ident("err")), Exprs(Call(Selector("r", "Read"), MultiIndex(varToSet, nil, nil, nil)))))
}
s = append(s, IfErrNil())
return
}
func BitFieldDecoder(g *Generator, varToSet ast.Expr, dataRaw any, name string) (s []ast.Stmt, err error) {
var data []struct {
Name string
Singed bool
Size int
}
err = mapstructure.Decode(dataRaw, &data)
if err != nil {
return
}
totalSize := 0
for _, field := range data {
totalSize += field.Size
}
p, err := TotalBitfieldSizeToProtodefName(totalSize)
if err != nil {
return
}
return g.VisitDecoder(varToSet, p, name)
}
func RegistryEntryHolderSetDecoder(g *Generator, varToSet ast.Expr, dataRaw any, name string) (s []ast.Stmt, err error) {
var data struct {
Base struct {
Name string
Type any
}
Otherwise struct {
Name string
Type any
}
}
err = mapstructure.Decode(dataRaw, &data)
if err != nil {
return
}
var countType ast.Expr
countType, err = g.VisitType("varint")
if err != nil {
return
}
baseType, err := g.VisitType(data.Base.Type)
if err != nil {
return
}
otherwiseArrayType, err := g.VisitNameAndData("array", map[string]any{"type": data.Otherwise.Type})
if err != nil {
return
}
otherwiseType, err := g.VisitType(data.Otherwise.Type)
if err != nil {
return
}
lName := "l" + CamelCase(name)
s1 := VarStmt(lName, countType)
s2, err := g.VisitDecoder(Ident(lName), "varint", name)
if err != nil {
return
}
s3 := Assign121(Ident(lName), Sub(Ident(lName), NumLit(1)))
resultName := name + "Result"
b1s1 := VarStmt(resultName, baseType)
b1s2, err := g.VisitDecoder(Ident(resultName), data.Base.Type, resultName)
b1s3 := Assign121(varToSet, Ident(resultName))
b1s4 := Return()
var b1 []ast.Stmt
b1 = append(b1, b1s1)
b1 = append(b1, b1s2...)
b1 = append(b1, b1s3)
b1 = append(b1, b1s4)
tName := name + "Element"
rangeStatements := Stmts(VarStmt(tName, otherwiseType))
rangeStatementsDecode, err := g.VisitDecoder(Ident(tName), data.Otherwise.Type, tName)
rangeStatements = append(rangeStatements, rangeStatementsDecode...)
rangeStatements = append(rangeStatements, Assign121(Ident(resultName), Call(Ident("append"), Ident(resultName), Ident(tName))))
s5 := If(Equals(Ident(lName), NumLit(-1)), NewBlock(b1))
s6 := VarStmt(resultName, otherwiseArrayType)
s7 := ForRange(nil, Ident(lName), NewBlock(rangeStatements))
s = append(s, s1)
s = append(s, s2...)
s = append(s, s3)
s = append(s, s5)
s = append(s, s6)
s = append(s, s7)
return
}
func RegistryEntryHolderDecoder(g *Generator, varToSet ast.Expr, dataRaw any, name string) (s []ast.Stmt, err error) {
var data EntryHolderSet
err = mapstructure.Decode(dataRaw, &data)
if err != nil {
return
}
idName := name + "Id"
IdVar := VarStmt(idName, Selector("queser", "VarInt"))
idDecodeStatements, err := g.VisitDecoder(Ident(idName), "varint", name)
if err != nil {
return
}
idPath := If(NotEquals(Ident(idName), NumLit(0)), NewBlockEllipsis(Assign121(varToSet, Ident(idName)), Return()))
otherwiseType, err := g.VisitType(data.Otherwise.Type)
if err != nil {
return
}
resName := name + "Result"
resNameIdent := Ident(resName)
resultVar := VarStmt(resName, otherwiseType)
otherwiseDecodeStatements, err := g.VisitDecoder(resNameIdent, data.Otherwise.Type, name+"Otherwise")
if err != nil {
return
}
resultAssign := Assign121(varToSet, resNameIdent)
s = append(s, IdVar)
s = append(s, idDecodeStatements...)
s = append(s, idPath)
s = append(s, resultVar)
s = append(s, otherwiseDecodeStatements...)
s = append(s, resultAssign)
return
}
func (g *Generator) RegisterDecoderNatives() {
g.DecoderNatives = map[string]FunctionGeneratorFunc{
"container": ContainerDecoder,
"array": ArrayDecoder,
"option": OptionDecoder,
"bitflags": TypeForwardDecoder,
"switch": SwitchDecoder,
"mapper": MapperDecoder,
"buffer": BufferDecoder,
"bitfield": BitFieldDecoder,
"string": StringDecoder,
"void": DefaultDecoder,
"varint": DefaultDecoder,
"anonymousNbt": DefaultDecoder,
"anonOptionalNbt": DefaultDecoder, // I have no idea what the difference is between these two
"UUID": UUIDDecoder,
"restBuffer": DefaultDecoder,
"f32": SimpleTypeDecoder,
"f64": SimpleTypeDecoder,
"i8": SimpleTypeDecoder,
"i16": SimpleTypeDecoder,
"i32": SimpleTypeDecoder,
"i64": SimpleTypeDecoder,
"u8": SimpleTypeDecoder,
"u16": SimpleTypeDecoder,
"u32": SimpleTypeDecoder,
"u64": SimpleTypeDecoder,
"bool": SimpleTypeDecoder,
"registryEntryHolder": RegistryEntryHolderDecoder,
"registryEntryHolderSet": RegistryEntryHolderSetDecoder,
"entityMetadataLoop": ToDoDecoder,
"topBitSetTerminatedArray": ToDoDecoder,
"todo": ToDoDecoder,
}
}