func (codegen *_CodeGen) BeginScript(compiler *gslang.Compiler, script *ast.Script) bool {
codegen.compiler = compiler
scriptPath := filepath.ToSlash(filepath.Clean(script.Name()))
for _, skip := range codegen.skips {
if skip.MatchString(scriptPath) {
return false
}
}
if strings.HasPrefix(script.Package, "gslang") {
return false
}
codegen.header.Reset()
codegen.source.Reset()
codegen.predecl.Reset()
codegen.script = script
codegen.imports = make(map[string]string)
for k, v := range imports {
codegen.imports[k] = v
}
return true
}
func (linker *_Linker) linkTypeRef(script *ast.Script, typeRef *ast.TypeRef) {
linkedType, ok := script.Type(typeRef.Name())
if ok {
typeRef.Ref = linkedType
linker.D("found type %s", linkedType)
return
}
linkedType, ok = linker.importTypes[typeRef.Name()]
if ok {
typeRef.Ref = linkedType
linker.D("found import types %s", linkedType)
return
}
linkedType, ok = linker.types[typeRef.Name()]
if ok {
typeRef.Ref = linkedType
linker.D("found import types %s", linkedType)
return
}
linker.errorf(ErrTypeNotFound, typeRef, "unknown type reference :%s", typeRef)
}
func (linker *_Linker) linkTypes(script *ast.Script) {
linker.D("create using symbol table for script : %s", script)
linker.importTypes = make(map[string]ast.Type)
script.UsingForeach(func(using *ast.Using) {
name := path.Base(strings.Replace(using.Name(), ".", "/", -1))
linker.D("link using(%s) : %s", using, name)
if gslangType, ok := linker.types[using.Name()]; ok {
linker.importTypes[name] = gslangType
using.Ref = gslangType
linker.D("link using(%s:%p) : %s -- success", using, using, name)
return
}
linker.errorf(ErrTypeNotFound, using, "using statment reference unknown type(%s)", using.Name())
})
linker.D("create using symbol table for script : %s -- success", script)
script.TypeForeach(func(gslangType ast.Type) {
linker.linkType(script, gslangType)
})
}
func (codegen *_CodeGen) BeginScript(compiler *gslang.Compiler, script *ast.Script) bool {
scriptPath := filepath.ToSlash(filepath.Clean(script.Name()))
for _, skip := range codegen.skips {
if skip.MatchString(scriptPath) {
return false
}
}
if strings.HasPrefix(script.Package, "gslang.") {
return false
}
codegen.header.Reset()
codegen.content.Reset()
codegen.script = script
codegen.packageName = script.Package
codegen.scriptPath = strings.Replace(codegen.packageName, ".", "/", -1)
langs := gslang.FindAnnotations(script.Module, "gslang.Package")
for _, lang := range langs {
langName, ok := lang.Args.NamedArg("Lang")
if ok && compiler.Eval().EvalString(langName) == "golang" {
packageName, ok := lang.Args.NamedArg("Name")
if ok && compiler.Eval().EvalString(packageName) == script.Package {
redirect, ok := lang.Args.NamedArg("Redirect")
if ok {
codegen.packageName = compiler.Eval().EvalString(redirect)
codegen.scriptPath = codegen.packageName
}
}
}
}
path := strings.Replace(codegen.packageName, ".", "/", -1)
codegen.header.WriteString(fmt.Sprintf("package %s\n\n", filepath.Base(path)))
codegen.imports = make(map[string]string)
for k, v := range imports {
codegen.imports[k] = v
}
return true
}
func (linker *_Linker) createSymbolTable(script *ast.Script) {
linker.D("create global symoble table , search script defined types: %s", script)
script.TypeForeach(func(gslangType ast.Type) {
fullname := _fullName(script.Package, gslangType)
if previous, ok := linker.types[fullname]; ok {
linker.duplicateTypeDef(gslangType, previous)
return
}
linker.types[fullname] = gslangType
})
linker.D("create global symoble table , search script defined types: %s -- success", script)
}