codegen

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Versions in this module

v1

v1.1.0

May 12, 2026

v1.0.13

May 12, 2026

v1.0.12

Apr 23, 2026

v1.0.11

Apr 23, 2026

v1.0.10

Apr 21, 2026

Changes in this version

+ func NewError(ctx *Context, expr eval.Expression, err error) error

+ func RecoverPanic(r any) error

+ type Context struct

+ Logger *slog.Logger

+ func NewContext() *Context

+ func NewSilentContext() *Context

+ func (c *Context) CurrentAttribute() *expr.AttributeExpr

+ func (c *Context) CurrentExpression() eval.Expression

+ func (c *Context) CurrentMethod() *expr.MethodExpr

+ func (c *Context) CurrentService() *expr.ServiceExpr

+ func (c *Context) Debug(msg string, args ...any)

+ func (c *Context) Info(msg string, args ...any)

+ func (c *Context) Warn(msg string, args ...any)

+ func (c *Context) WithAttribute(a *expr.AttributeExpr) *Context

+ func (c *Context) WithMethod(m *expr.MethodExpr) *Context

+ func (c *Context) WithService(s *expr.ServiceExpr) *Context

+ type Error struct

+ Err error

+ Expr eval.Expression

+ Method string

+ Service string

+ func (e *Error) Error() string

+ func (e *Error) Is(target error) bool

+ func (e *Error) Unwrap() error

v1.0.9

Apr 7, 2026

v1.0.8

Apr 6, 2026

Changes in this version

+ type Registry struct

+ func DefaultRegistrySnapshot() *Registry

+ func NewRegistry() *Registry

+ func (r *Registry) RegisterPlugin(name string, cmd string, pre PrepareFunc, p GenerateFunc)

+ func (r *Registry) RegisterPluginFirst(name string, cmd string, pre PrepareFunc, p GenerateFunc)

+ func (r *Registry) RegisterPluginLast(name string, cmd string, pre PrepareFunc, p GenerateFunc)

+ func (r *Registry) RunPlugins(cmd, genpkg string, roots []eval.Root, genfiles []*File) ([]*File, error)

+ func (r *Registry) RunPluginsPrepare(cmd, genpkg string, roots []eval.Root) error

+ func (r *Registry) Snapshot() *Registry

+ type RenderSection struct

+ Name string

+ Render func() string

+ func (s *RenderSection) SectionName() string

+ func (s *RenderSection) Write(w io.Writer) error

type Section

+ func MustRenderSection(name string, render func() string) Section

+ func NewRenderSection(name string, render func() string) Section

v1.0.7

Mar 30, 2026

v1.0.6

Mar 29, 2026

v1.0.5

Mar 29, 2026

v1.0.4

Mar 29, 2026

v1.0.3

Mar 22, 2026

v1.0.2

Mar 22, 2026

Changes in this version

type ImportSpec

+ func LoomImport(rel string) *ImportSpec

+ func LoomNamedImport(rel, name string) *ImportSpec

v1.0.1

Mar 22, 2026

v1.0.0

Mar 22, 2026

Changes in this version

+ const Gendir

+ var DesignVersion = goa.Major

+ func AddFileImport(file *File, imprts ...*ImportSpec)

+ func AddImport(section *SectionTemplate, imprts ...*ImportSpec)

+ func AddServiceMetaTypeImports(header *SectionTemplate, svc *expr.ServiceExpr)

+ func AttributeTags(_, att *expr.AttributeExpr) string

+ func AttributeTagsWithName(parent *expr.AttributeExpr, fieldName string, att *expr.AttributeExpr) string

+ func AttributeValidationCode(att *expr.AttributeExpr, put expr.UserType, attCtx *AttributeContext, ...) string

+ func CamelCase(name string, firstUpper, acronym bool) string

+ func CommandLine() string

+ func Comment(elems ...string) string

+ func CommentBlock(stmt *jen.Statement, text string) *jen.Statement

+ func CreateTempFile(t *testing.T, content string) string

+ func Doc(stmt *jen.Statement, text string) *jen.Statement

+ func Expr(code string) *jen.Statement

+ func FormatTestCode(t *testing.T, code string) string

+ func GoNativeTypeName(t expr.DataType) string

+ func Goify(str string, firstUpper bool) string

+ func GoifyAtt(att *expr.AttributeExpr, name string, upper bool) string

+ func Indent(s, prefix string) string

+ func IsCompatible(a, b expr.DataType, actx, bctx string) error

+ func JoinImportPath(genpkg, rel string) string

+ func KebabCase(name string) string

+ func MapDepth(m *expr.Map) int

+ func RegisterPlugin(name string, cmd string, pre PrepareFunc, p GenerateFunc)

+ func RegisterPluginFirst(name string, cmd string, pre PrepareFunc, p GenerateFunc)

+ func RegisterPluginLast(name string, cmd string, pre PrepareFunc, p GenerateFunc)

+ func RunDSL(t *testing.T, dsl func()) *expr.RootExpr

+ func RunPluginsPrepare(cmd, genpkg string, roots []eval.Root) error

+ func SectionCode(t *testing.T, section Section) string

+ func SectionCodeFromImportsAndMethods(t *testing.T, importSection, methodSection Section) string

+ func SectionsCode(t *testing.T, sections []Section) string

+ func SnakeCase(name string) string

+ func TemplateFuncs() map[string]any

+ func TypeRef(ref string) *jen.Statement

+ func UnionValTypeName(unionName string) string

+ func ValidationCode(att *expr.AttributeExpr, put expr.UserType, attCtx *AttributeContext, ...) string

+ func Walk(a *expr.AttributeExpr, walker func(*expr.AttributeExpr) error) error

+ func WalkMappedAttr(ma *expr.MappedAttributeExpr, it MappedAttributeWalker) error

+ func WalkType(u expr.UserType, walker func(*expr.AttributeExpr) error) error

+ func WrapText(text string, maxChars int) string

+ type AttributeContext struct

+ DefaultPkg string

+ IgnoreRequired bool

+ IsInterface bool

+ Pointer bool

+ SamePackageConversion bool

+ Scope Attributor

+ UseDefault bool

+ func NewAttributeContext(pointer, reqIgnore, useDefault bool, pkg string, scope *NameScope) *AttributeContext

+ func NewAttributeContextForConversion(pointer, reqIgnore, useDefault bool, pkg string, scope *NameScope) *AttributeContext

+ func (a *AttributeContext) Dup() *AttributeContext

+ func (a *AttributeContext) IsPrimitivePointer(name string, att *expr.AttributeExpr) bool

+ func (a *AttributeContext) Pkg(att *expr.AttributeExpr) string

+ type AttributeScope struct

+ func NewAttributeScope(scope *NameScope) *AttributeScope

+ func (*AttributeScope) Field(att *expr.AttributeExpr, name string, firstUpper bool) string

+ func (a *AttributeScope) Name(att *expr.AttributeExpr, pkg string, ptr, useDefault bool) string

+ func (a *AttributeScope) Ref(att *expr.AttributeExpr, pkg string) string

+ func (a *AttributeScope) Scope() *NameScope

+ type Attributor interface

+ Field func(att *expr.AttributeExpr, name string, firstUpper bool) string

+ Name func(att *expr.AttributeExpr, pkg string, ptr, useDefault bool) string

+ Ref func(att *expr.AttributeExpr, pkg string) string

+ type File struct

+ FinalizeFunc func(string) error

+ Path string

+ SectionTemplates []*SectionTemplate

+ Sections []Section

+ SkipExist bool

+ func RunPlugins(cmd, genpkg string, roots []eval.Root, genfiles []*File) ([]*File, error)

+ func VersionFile() *File

+ func (f *File) AllSections() []Section

+ func (f *File) HeaderTemplate() *SectionTemplate

+ func (f *File) Render(dir string) (string, error)

+ func (f *File) Section(name string) []Section

+ func (f *File) SetSections(sections []Section)

+ type GenerateFunc func(genpkg string, roots []eval.Root, files []*File) ([]*File, error)

+ type Hasher interface

+ Hash func() string

+ type HeaderData struct

+ Imports []*ImportSpec

+ Pkg string

+ Title string

+ func HeaderSectionData(section *SectionTemplate) *HeaderData

+ type ImportSpec struct

+ Name string

+ Path string

+ func GatherAttributeImports(genpkg string, att *expr.AttributeExpr) []*ImportSpec

+ func GetMetaType(att *expr.AttributeExpr) (typeName string, importS *ImportSpec)

+ func GetMetaTypeImports(att *expr.AttributeExpr) []*ImportSpec

+ func GoaImport(rel string) *ImportSpec

+ func GoaNamedImport(rel, name string) *ImportSpec

+ func NewImport(name, path string) *ImportSpec

+ func SimpleImport(path string) *ImportSpec

+ func (s *ImportSpec) Code() string

+ type InitArgData struct

+ FieldName string

+ FieldPointer bool

+ FieldType expr.DataType

+ Name string

+ Pointer bool

+ Type expr.DataType

+ type JenniferBuilder func(*jen.Statement)

+ type JenniferSection struct

+ Build JenniferBuilder

+ Name string

+ func (s *JenniferSection) SectionName() string

+ func (s *JenniferSection) Write(w io.Writer) error

+ type Location struct

+ FilePath string

+ RelImportPath string

+ func UserTypeLocation(dt expr.DataType) *Location

+ func (loc *Location) PackageName() string

+ type MappedAttributeWalker func(name, elem string, required bool, a *expr.AttributeExpr) error

+ type NameScope struct

+ func NewNameScope() *NameScope

+ func (*NameScope) GoVar(varName string, dt expr.DataType) string

+ func (s *NameScope) GoFullTypeName(att *expr.AttributeExpr, pkg string) string

+ func (s *NameScope) GoFullTypeRef(att *expr.AttributeExpr, pkg string) string

+ func (s *NameScope) GoTypeDef(att *expr.AttributeExpr, ptr, useDefault bool) string

+ func (s *NameScope) GoTypeDefWithTargetPkg(att *expr.AttributeExpr, ptr, useDefault bool, targetPkg string) string

+ func (s *NameScope) GoTypeName(att *expr.AttributeExpr) string

+ func (s *NameScope) GoTypeNameWithDefaults(att *expr.AttributeExpr) string

+ func (s *NameScope) GoTypeRef(att *expr.AttributeExpr) string

+ func (s *NameScope) GoTypeRefWithDefaults(att *expr.AttributeExpr) string

+ func (s *NameScope) HashedUnique(key Hasher, name string, suffix ...string) string

+ func (s *NameScope) Name(name string) string

+ func (s *NameScope) PeekUnique(name string, suffix ...string) string

+ func (s *NameScope) Unique(name string, suffix ...string) string

+ type PrepareFunc func(genpkg string, roots []eval.Root) error

+ type RawSection struct

+ Name string

+ Source string

+ func (s *RawSection) SectionName() string

+ func (s *RawSection) Write(w io.Writer) error

+ type Scoper interface

+ Scope func() *NameScope

+ type Section interface

+ SectionName func() string

+ Write func(io.Writer) error

+ func MustJenniferSection(name string, build func(*jen.Statement)) Section

+ func NewJenniferSection(name string, build func(*jen.Statement)) Section

+ func NewRawSection(name, source string) Section

+ type SectionTemplate struct

+ Data any

+ FuncMap map[string]any

+ Name string

+ Source string

+ func Header(title, pack string, imports []*ImportSpec) *SectionTemplate

+ func (s *SectionTemplate) SectionName() string

+ func (s *SectionTemplate) Write(w io.Writer) error

+ type TransformAttrs struct

+ Prefix string

+ SourceCtx *AttributeContext

+ TargetCtx *AttributeContext

+ type TransformFunctionData struct

+ Code string

+ Name string

+ ParamTypeRef string

+ ResultTypeRef string

+ func AppendHelpers(oldH, newH []*TransformFunctionData) []*TransformFunctionData

+ func GoTransform(source, target *expr.AttributeExpr, sourceVar, targetVar string, ...) (string, []*TransformFunctionData, error)

+ func InitStructFields(args []*InitArgData, targetVar, sourcePkg, targetPkg string) (string, []*TransformFunctionData, error)

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