func-*.go modules renamed as builtin-*.go.

Also changed and exported some identiefier relatet to the builtin feature

builtin-base.go

@@ -1,7 +1,7 @@
 // Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
 // All rights reserved.
 
-// func-builtins.go
+// builtin-base.go
 package expr
 
 import (
@@ -182,5 +182,5 @@ func ImportBuiltinsFuncs(ctx ExprContext) {
 }
 
 func init() {
-	RegisterImport("base", ImportBuiltinsFuncs, "Base expression tools like isNil(), int(), etc.")
+	RegisterBuiltinModule("base", ImportBuiltinsFuncs, "Base expression tools like isNil(), int(), etc.")
 }

builtin-fmt.go

@@ -1,7 +1,7 @@
 // Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
 // All rights reserved.
 
-// func-fmt.go
+// builtin-fmt.go
 package expr
 
 import "fmt"
@@ -24,13 +24,13 @@ func printLnFunc(ctx ExprContext, name string, args []any) (result any, err erro
 
 func ImportFmtFuncs(ctx ExprContext) {
 	ctx.RegisterFunc("print", NewGolangFunctor(printFunc), TypeInt, []ExprFuncParam{
-		NewFuncParamFlag(paramItem, PfRepeat),
+		NewFuncParamFlag(ParamItem, PfRepeat),
 	})
 	ctx.RegisterFunc("println", NewGolangFunctor(printLnFunc), TypeInt, []ExprFuncParam{
-		NewFuncParamFlag(paramItem, PfRepeat),
+		NewFuncParamFlag(ParamItem, PfRepeat),
 	})
 }
 
 func init() {
-	registerImport("fmt", ImportFmtFuncs, "String and console formatting functions")
+	RegisterBuiltinModule("fmt", ImportFmtFuncs, "String and console formatting functions")
 }

builtin-import.go

@@ -1,7 +1,7 @@
 // Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
 // All rights reserved.
 
-// func-import.go
+// builtin-import.go
 package expr
 
 import (
@@ -71,5 +71,5 @@ func ImportImportFuncs(ctx ExprContext) {
 }
 
 func init() {
-	RegisterImport("import", ImportImportFuncs, "Functions import() and include()")
+	RegisterBuiltinModule("import", ImportImportFuncs, "Functions import() and include()")
 }

builtin-math-arith.go

@@ -1,7 +1,7 @@
 // Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
 // All rights reserved.
 
-// funcs-math.go
+// builtin-math-arith.go
 package expr
 
 import (
@@ -177,5 +177,5 @@ func ImportMathFuncs(ctx ExprContext) {
 }
 
 func init() {
-	RegisterImport("math.arith", ImportMathFuncs, "Functions add() and mul()")
+	RegisterBuiltinModule("math.arith", ImportMathFuncs, "Functions add() and mul()")
 }

builtin-os-file.go

@@ -1,7 +1,7 @@
 // Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
 // All rights reserved.
 
-// func-os.go
+// builtin-os-file.go
 package expr
 
 import (
@@ -210,5 +210,5 @@ func ImportOsFuncs(ctx ExprContext) {
 }
 
 func init() {
-	RegisterImport("os.file", ImportOsFuncs, "Operating system file functions")
+	RegisterBuiltinModule("os.file", ImportOsFuncs, "Operating system file functions")
 }

builtin-string.go

@@ -1,7 +1,7 @@
 // Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
 // All rights reserved.
 
-// func-string.go
+// builtin-string.go
 package expr
 
 import (
@@ -219,5 +219,5 @@ func ImportStringFuncs(ctx ExprContext) {
 // Register the import function in the import-register.
 // That will allow to import all function of this module by the "builtin" operator."
 func init() {
-	RegisterImport("string", ImportStringFuncs, "string utilities")
+	RegisterBuiltinModule("string", ImportStringFuncs, "string utilities")
 }

builtins-register.go

@@ -0,0 +1,48 @@
+// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
+// All rights reserved.
+
+// builtins-register.go
+package expr
+
+import (
+	"fmt"
+)
+
+type builtinModule struct {
+	importFunc  func(ExprContext)
+	description string
+	imported    bool
+}
+
+func newBuiltinModule(importFunc func(ExprContext), description string) *builtinModule {
+	return &builtinModule{importFunc, description, false}
+}
+
+var builtinModuleRegister map[string]*builtinModule
+
+func RegisterBuiltinModule(name string, importFunc func(ExprContext), description string) {
+	if builtinModuleRegister == nil {
+		builtinModuleRegister = make(map[string]*builtinModule)
+	}
+	if _, exists := builtinModuleRegister[name]; exists {
+		panic(fmt.Errorf("module %q already registered", name))
+	}
+	builtinModuleRegister[name] = newBuiltinModule(importFunc, description)
+}
+
+func IterateBuiltinModules(op func(name, description string, imported bool) bool) {
+	if op != nil {
+		for name, mod := range builtinModuleRegister {
+			if !op(name, mod.description, mod.imported) {
+				break
+			}
+		}
+	}
+}
+
+// ----
+func init() {
+	if builtinModuleRegister == nil {
+		builtinModuleRegister = make(map[string]*builtinModule)
+	}
+}

global-context.go

@@ -12,8 +12,8 @@ import (
 var globalCtx *SimpleStore
 
 func ImportInContext(name string) (exists bool) {
-	var mod *module
+	var mod *builtinModule
-	if mod, exists = moduleRegister[name]; exists {
+	if mod, exists = builtinModuleRegister[name]; exists {
 		mod.importFunc(globalCtx)
 		mod.imported = true
 	}
@@ -22,7 +22,7 @@ func ImportInContext(name string) (exists bool) {
 
 func ImportInContextByGlobPattern(pattern string) (count int, err error) {
 	var matched bool
-	for name, mod := range moduleRegister {
+	for name, mod := range builtinModuleRegister {
 		if matched, err = filepath.Match(pattern, name); err == nil {
 			if matched {
 				count++

module-register.go

@@ -1,48 +0,0 @@
-// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
-// All rights reserved.
-
-// module-register.go
-package expr
-
-import (
-	"fmt"
-)
-
-type module struct {
-	importFunc  func(ExprContext)
-	description string
-	imported    bool
-}
-
-func newModule(importFunc func(ExprContext), description string) *module {
-	return &module{importFunc, description, false}
-}
-
-var moduleRegister map[string]*module
-
-func RegisterImport(name string, importFunc func(ExprContext), description string) {
-	if moduleRegister == nil {
-		moduleRegister = make(map[string]*module)
-	}
-	if _, exists := moduleRegister[name]; exists {
-		panic(fmt.Errorf("module %q already registered", name))
-	}
-	moduleRegister[name] = newModule(importFunc, description)
-}
-
-func IterateModules(op func(name, description string, imported bool) bool) {
-	if op != nil {
-		for name, mod := range moduleRegister {
-			if !op(name, mod.description, mod.imported) {
-				break
-			}
-		}
-	}
-}
-
-// ----
-func init() {
-	if moduleRegister == nil {
-		moduleRegister = make(map[string]*module)
-	}
-}

t_module-register_test.go

@@ -12,7 +12,7 @@ func TestIterateModules(t *testing.T) {
 	section := "Module-Register"
 
 	mods := make([]string, 0, 100)
-	IterateModules(func(name, description string, imported bool) bool {
+	IterateBuiltinModules(func(name, description string, imported bool) bool {
 		mods = append(mods, name)
 		return true
 	})