internal/wasm-tools, internal/cm: udpate to go.bytecodealliance.org@v0.6.1 and cm@v0.2.1

Author: ydnar

GNUmakefile

@@ -277,7 +277,7 @@ wasi-syscall: wasi-cm
 .PHONY: wasi-cm
 wasi-cm:
 	rm -rf ./src/internal/cm/*
-	rsync -rv --delete --exclude go.mod --exclude '*_test.go' --exclude '*.md' --exclude LICENSE $(shell go list -modfile ./internal/wasm-tools/go.mod -m -f {{.Dir}} $(WASM_TOOLS_MODULE)/cm)/ ./src/internal/cm
+	rsync -rv --delete --exclude go.mod --exclude '*_test.go' --exclude '*_json.go' --exclude '*.md' --exclude LICENSE $(shell go list -modfile ./internal/wasm-tools/go.mod -m -f {{.Dir}} $(WASM_TOOLS_MODULE)/cm)/ ./src/internal/cm
 
 # Check for Node.js used during WASM tests.
 NODEJS_VERSION := $(word 1,$(subst ., ,$(shell node -v | cut -c 2-)))

internal/wasm-tools/go.mod

@@ -3,8 +3,8 @@ module github.com/tinygo-org/tinygo/internal/wasm-tools
 go 1.23.0
 
 require (
-	go.bytecodealliance.org v0.6.0
-	go.bytecodealliance.org/cm v0.2.0
+	go.bytecodealliance.org v0.6.1
+	go.bytecodealliance.org/cm v0.2.1
 )
 
 require (

internal/wasm-tools/go.sum

@@ -29,10 +29,10 @@ github.com/ulikunitz/xz v0.5.12 h1:37Nm15o69RwBkXM0J6A5OlE67RZTfzUxTj8fB3dfcsc=
 github.com/ulikunitz/xz v0.5.12/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 github.com/urfave/cli/v3 v3.0.0-beta1 h1:6DTaaUarcM0wX7qj5Hcvs+5Dm3dyUTBbEwIWAjcw9Zg=
 github.com/urfave/cli/v3 v3.0.0-beta1/go.mod h1:FnIeEMYu+ko8zP1F9Ypr3xkZMIDqW3DR92yUtY39q1Y=
-go.bytecodealliance.org v0.6.0 h1:9ziqj963aEKqOiu5cl87Hb78KImNP4zEABl+OWwBwxk=
-go.bytecodealliance.org v0.6.0/go.mod h1:j0lprXhqeVSE8kYN2EjcN9gm+fxUyNWtl//WA+3ypFg=
-go.bytecodealliance.org/cm v0.2.0 h1:HMkj1x1LZWU/Ghu2TtUk3VTyS7gyDHLyIfIut0Cpc5M=
-go.bytecodealliance.org/cm v0.2.0/go.mod h1:JD5vtVNZv7sBoQQkvBvAAVKJPhR/bqBH7yYXTItMfZI=
+go.bytecodealliance.org v0.6.1 h1:H3vVYeEZa8Gs9t9YyZ4ZjA8sr5c6Xfkz3p+cM3543aA=
+go.bytecodealliance.org v0.6.1/go.mod h1:qPL6PksrsjAxl6o23HuX4pGO6n3UxiESPbvRn8ZVot0=
+go.bytecodealliance.org/cm v0.2.1 h1:sFUQRPfM+ku7hKgFwxGdwjghv4QtTLukpqsAHgE1Tek=
+go.bytecodealliance.org/cm v0.2.1/go.mod h1:JD5vtVNZv7sBoQQkvBvAAVKJPhR/bqBH7yYXTItMfZI=
 golang.org/x/mod v0.24.0 h1:ZfthKaKaT4NrhGVZHO1/WDTwGES4De8KtWO0SIbNJMU=
 golang.org/x/mod v0.24.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
 golang.org/x/sync v0.11.0 h1:GGz8+XQP4FvTTrjZPzNKTMFtSXH80RAzG+5ghFPgK9w=

src/internal/cm/case.go

@@ -1,7 +1,5 @@
 package cm
 
-import "errors"
-
 // CaseUnmarshaler returns an function that can unmarshal text into
 // [variant] or [enum] case T.
 //
@@ -33,8 +31,7 @@ func CaseUnmarshaler[T ~uint8 | ~uint16 | ~uint32](cases []string) func(v *T, te
 		if len(text) == 0 {
 			return errEmpty
 		}
-		s := string(text)
-		c, ok := m[s]
+		c, ok := m[string(text)]
 		if !ok {
 			return errNoMatchingCase
 		}
@@ -46,6 +43,14 @@ func CaseUnmarshaler[T ~uint8 | ~uint16 | ~uint32](cases []string) func(v *T, te
 const linearScanThreshold = 16
 
 var (
-	errEmpty          = errors.New("empty text")
-	errNoMatchingCase = errors.New("no matching case")
+	errEmpty          = &stringError{"empty text"}
+	errNoMatchingCase = &stringError{"no matching case"}
 )
+
+type stringError struct {
+	err string
+}
+
+func (err *stringError) Error() string {
+	return err.err
+}

src/internal/cm/list.go

@@ -1,8 +1,6 @@
 package cm
 
 import (
-	"bytes"
-	"encoding/json"
 	"unsafe"
 )
 
@@ -62,57 +60,3 @@ func (l list[T]) Data() *T {
 func (l list[T]) Len() uintptr {
 	return l.len
 }
-
-// MarshalJSON implements json.Marshaler.
-func (l list[T]) MarshalJSON() ([]byte, error) {
-	if l.len == 0 {
-		return []byte("[]"), nil
-	}
-
-	s := l.Slice()
-	var zero T
-	if unsafe.Sizeof(zero) == 1 {
-		// The default Go json.Encoder will marshal []byte as base64.
-		// We override that behavior so all int types have the same serialization format.
-		// []uint8{1,2,3} -> [1,2,3]
-		// []uint32{1,2,3} -> [1,2,3]
-		return json.Marshal(sliceOf(s))
-	}
-	return json.Marshal(s)
-}
-
-type slice[T any] []entry[T]
-
-func sliceOf[S ~[]E, E any](s S) slice[E] {
-	return *(*slice[E])(unsafe.Pointer(&s))
-}
-
-type entry[T any] [1]T
-
-func (v entry[T]) MarshalJSON() ([]byte, error) {
-	return json.Marshal(v[0])
-}
-
-// UnmarshalJSON implements json.Unmarshaler.
-func (l *list[T]) UnmarshalJSON(data []byte) error {
-	if bytes.Equal(data, nullLiteral) {
-		return nil
-	}
-
-	var s []T
-	err := json.Unmarshal(data, &s)
-	if err != nil {
-		return err
-	}
-
-	l.data = unsafe.SliceData([]T(s))
-	l.len = uintptr(len(s))
-
-	return nil
-}
-
-// nullLiteral is the JSON representation of a null literal.
-// By convention, to approximate the behavior of Unmarshal itself,
-// Unmarshalers implement UnmarshalJSON([]byte("null")) as a no-op.
-// See https://pkg.go.dev/encoding/json#Unmarshaler for more information.
-var nullLiteral = []byte("null")