refactor(demo): rename and expand go/types and go/token test demos
- Renamed _demo/go/issue1370_case1 to _demo/go/gotypes - Renamed _demo/go/issue1370_case2 to _demo/go/gotoken - Expanded gotypes demo to test comprehensive go/types APIs: - Basic types (Int, String, Bool, Float64) - Objects (Var, Const, Func, TypeName) - Scope operations (Insert, Lookup, Names, Len) - Package operations - Named types - Interface types with methods - Struct types with fields - Signature types with params and results - Tuple operations - Composite types (Array, Slice, Pointer, Map, Chan) - Expanded gotoken demo to test comprehensive go/token APIs: - Pos operations and validation - Token types (operators, literals, keywords) - Token methods (String, IsKeyword, Precedence) - FileSet operations (AddFile, File, Position) - File operations (AddLine, Pos, Offset, Line, LineStart) - Position struct and methods Generated with [codeagent](https://github.com/qbox/codeagent) Co-authored-by: luoliwoshang <51194195+luoliwoshang@users.noreply.github.com>
This commit is contained in:
xgopilot
242
_demo/go/gotoken/main.go
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242
_demo/go/gotoken/main.go
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@@ -0,0 +1,242 @@
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package main
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import (
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"fmt"
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"go/token"
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)
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func main() {
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fmt.Println("=== Comprehensive go/token Package Demo ===\n")
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testPos()
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testToken()
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testFileSet()
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testFile()
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testPosition()
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testTokenPrecedence()
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testTokenKeywords()
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fmt.Println("\n=== All go/token tests completed successfully! ===")
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}
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func testPos() {
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fmt.Println("=== Test Pos ===")
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pos1 := token.Pos(100)
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pos2 := token.Pos(200)
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fmt.Printf("Pos1: %d, Pos2: %d\n", pos1, pos2)
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fmt.Printf("Pos1.IsValid(): %v\n", pos1.IsValid())
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noPos := token.NoPos
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fmt.Printf("NoPos: %d, IsValid: %v\n", noPos, noPos.IsValid())
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fmt.Println("SUCCESS: Pos operations work correctly\n")
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}
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func testToken() {
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fmt.Println("=== Test Token Types ===")
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tokens := []token.Token{
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token.ILLEGAL,
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token.EOF,
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token.COMMENT,
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token.IDENT,
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token.INT,
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token.FLOAT,
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token.IMAG,
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token.CHAR,
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token.STRING,
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token.ADD,
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token.SUB,
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token.MUL,
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token.QUO,
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token.REM,
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token.AND,
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token.OR,
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token.XOR,
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token.SHL,
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token.SHR,
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token.AND_NOT,
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token.ADD_ASSIGN,
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token.SUB_ASSIGN,
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token.MUL_ASSIGN,
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token.QUO_ASSIGN,
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token.REM_ASSIGN,
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token.AND_ASSIGN,
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token.OR_ASSIGN,
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token.XOR_ASSIGN,
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token.SHL_ASSIGN,
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token.SHR_ASSIGN,
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token.AND_NOT_ASSIGN,
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token.LAND,
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token.LOR,
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token.ARROW,
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token.INC,
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token.DEC,
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token.EQL,
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token.LSS,
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token.GTR,
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token.ASSIGN,
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token.NOT,
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token.NEQ,
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token.LEQ,
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token.GEQ,
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token.DEFINE,
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token.ELLIPSIS,
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token.LPAREN,
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token.LBRACK,
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token.LBRACE,
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token.COMMA,
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token.PERIOD,
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token.RPAREN,
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token.RBRACK,
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token.RBRACE,
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token.SEMICOLON,
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token.COLON,
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}
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for _, tok := range tokens {
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fmt.Printf("Token: %s (String: %q)\n", tok, tok.String())
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}
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fmt.Println("SUCCESS: Token types work correctly\n")
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}
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func testTokenKeywords() {
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fmt.Println("=== Test Keywords ===")
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keywords := []token.Token{
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token.BREAK,
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token.CASE,
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token.CHAN,
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token.CONST,
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token.CONTINUE,
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token.DEFAULT,
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token.DEFER,
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token.ELSE,
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token.FALLTHROUGH,
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token.FOR,
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token.FUNC,
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token.GO,
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token.GOTO,
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token.IF,
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token.IMPORT,
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token.INTERFACE,
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token.MAP,
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token.PACKAGE,
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token.RANGE,
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token.RETURN,
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token.SELECT,
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token.STRUCT,
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token.SWITCH,
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token.TYPE,
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token.VAR,
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}
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for _, kw := range keywords {
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fmt.Printf("Keyword: %s, IsKeyword: %v\n", kw, kw.IsKeyword())
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}
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fmt.Println("SUCCESS: Keyword checks work correctly\n")
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}
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func testTokenPrecedence() {
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fmt.Println("=== Test Token Precedence ===")
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operators := []token.Token{
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token.ADD,
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token.SUB,
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token.MUL,
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token.QUO,
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token.REM,
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token.LAND,
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token.LOR,
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token.EQL,
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token.LSS,
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token.GTR,
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}
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for _, op := range operators {
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fmt.Printf("Operator: %s, Precedence: %d\n", op, op.Precedence())
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}
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fmt.Println("SUCCESS: Precedence operations work correctly\n")
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}
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func testFileSet() {
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fmt.Println("=== Test FileSet ===")
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fset := token.NewFileSet()
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file1 := fset.AddFile("file1.go", -1, 1000)
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file2 := fset.AddFile("file2.go", -1, 2000)
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fmt.Printf("Added file1: %s, Base: %d, Size: %d\n", file1.Name(), file1.Base(), file1.Size())
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fmt.Printf("Added file2: %s, Base: %d, Size: %d\n", file2.Name(), file2.Base(), file2.Size())
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pos := file1.Pos(100)
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retrievedFile := fset.File(pos)
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if retrievedFile != file1 {
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panic("FileSet.File failed to retrieve correct file")
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}
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position := fset.Position(pos)
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fmt.Printf("Position at offset 100: %s\n", position)
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fmt.Println("SUCCESS: FileSet operations work correctly\n")
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}
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func testFile() {
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fmt.Println("=== Test File ===")
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fset := token.NewFileSet()
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file := fset.AddFile("test.go", -1, 1000)
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file.AddLine(0)
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file.AddLine(50)
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file.AddLine(100)
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fmt.Printf("File name: %s\n", file.Name())
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fmt.Printf("File base: %d\n", file.Base())
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fmt.Printf("File size: %d\n", file.Size())
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fmt.Printf("File line count: %d\n", file.LineCount())
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pos := file.Pos(50)
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fmt.Printf("Pos at offset 50: %d\n", pos)
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offset := file.Offset(pos)
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fmt.Printf("Offset of pos: %d\n", offset)
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line := file.Line(pos)
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fmt.Printf("Line number at pos: %d\n", line)
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lineStart := file.LineStart(2)
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fmt.Printf("Line 2 starts at pos: %d\n", lineStart)
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position := file.Position(pos)
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fmt.Printf("Position: %s\n", position)
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fmt.Println("SUCCESS: File operations work correctly\n")
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}
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func testPosition() {
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fmt.Println("=== Test Position ===")
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pos := token.Position{
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Filename: "test.go",
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Offset: 100,
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Line: 5,
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Column: 10,
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}
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fmt.Printf("Position: %s\n", pos.String())
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fmt.Printf("Filename: %s, Line: %d, Column: %d, Offset: %d\n",
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pos.Filename, pos.Line, pos.Column, pos.Offset)
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fmt.Printf("IsValid: %v\n", pos.IsValid())
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invalidPos := token.Position{}
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fmt.Printf("Invalid position IsValid: %v\n", invalidPos.IsValid())
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fmt.Println("SUCCESS: Position operations work correctly\n")
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}
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260
_demo/go/gotypes/main.go
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260
_demo/go/gotypes/main.go
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@@ -0,0 +1,260 @@
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package main
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import (
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"fmt"
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"go/ast"
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"go/token"
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"go/types"
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)
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func main() {
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fmt.Println("=== Comprehensive go/types Package Demo ===\n")
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testBasicTypes()
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testObjects()
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testScope()
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testPackage()
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testNamed()
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testInterface()
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testStruct()
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testSignature()
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testTuple()
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testArray()
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testSlice()
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testPointer()
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testMap()
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testChan()
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fmt.Println("\n=== All go/types tests completed successfully! ===")
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}
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func testBasicTypes() {
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fmt.Println("=== Test Basic Types ===")
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intType := types.Typ[types.Int]
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fmt.Printf("Int type: %v, Kind: %v\n", intType, intType.Kind())
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stringType := types.Typ[types.String]
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fmt.Printf("String type: %v, Kind: %v\n", stringType, stringType.Kind())
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boolType := types.Typ[types.Bool]
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fmt.Printf("Bool type: %v, Kind: %v\n", boolType, boolType.Kind())
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float64Type := types.Typ[types.Float64]
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fmt.Printf("Float64 type: %v, Kind: %v\n", float64Type, float64Type.Kind())
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fmt.Println("SUCCESS: Basic types work correctly\n")
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}
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func testObjects() {
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fmt.Println("=== Test Objects (Var, Const, Func, TypeName) ===")
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varObj := types.NewVar(token.NoPos, nil, "x", types.Typ[types.Int])
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fmt.Printf("Var: Name=%s, Type=%v\n", varObj.Name(), varObj.Type())
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constObj := types.NewConst(token.NoPos, nil, "pi", types.Typ[types.Float64], nil)
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fmt.Printf("Const: Name=%s, Type=%v\n", constObj.Name(), constObj.Type())
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sig := types.NewSignatureType(nil, nil, nil, nil, nil, false)
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funcObj := types.NewFunc(token.NoPos, nil, "foo", sig)
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fmt.Printf("Func: Name=%s, Type=%v\n", funcObj.Name(), funcObj.Type())
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typeObj := types.NewTypeName(token.NoPos, nil, "MyInt", types.Typ[types.Int])
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fmt.Printf("TypeName: Name=%s, Type=%v\n", typeObj.Name(), typeObj.Type())
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var obj types.Object = varObj
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if obj.Name() != "x" {
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panic("Object interface conversion failed")
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}
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fmt.Println("SUCCESS: Object interface works correctly\n")
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}
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func testScope() {
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fmt.Println("=== Test Scope ===")
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scope := types.NewScope(nil, 0, 0, "test")
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obj := types.NewVar(0, nil, "x", types.Typ[types.Int])
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scope.Insert(obj)
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result := scope.Lookup("x")
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if result != obj {
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panic("Scope.Lookup failed")
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}
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names := scope.Names()
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if len(names) != 1 || names[0] != "x" {
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panic("Scope.Names failed")
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}
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num := scope.Len()
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if num != 1 {
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panic("Scope.Len failed")
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}
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fmt.Printf("Scope contains %d object(s): %v\n", num, names)
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fmt.Println("SUCCESS: Scope operations work correctly\n")
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}
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func testPackage() {
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fmt.Println("=== Test Package ===")
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pkg := types.NewPackage("example.com/test", "test")
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fmt.Printf("Package: Path=%s, Name=%s\n", pkg.Path(), pkg.Name())
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scope := pkg.Scope()
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if scope == nil {
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panic("Package.Scope returned nil")
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}
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varObj := types.NewVar(token.NoPos, pkg, "x", types.Typ[types.Int])
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scope.Insert(varObj)
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result := pkg.Scope().Lookup("x")
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if result != varObj {
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panic("Package scope lookup failed")
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}
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fmt.Println("SUCCESS: Package operations work correctly\n")
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}
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func testNamed() {
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fmt.Println("=== Test Named Types ===")
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pkg := types.NewPackage("example.com/test", "test")
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typeName := types.NewTypeName(token.NoPos, pkg, "MyInt", nil)
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named := types.NewNamed(typeName, types.Typ[types.Int], nil)
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fmt.Printf("Named type: %v, Underlying: %v\n", named, named.Underlying())
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if named.Obj() != typeName {
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panic("Named.Obj failed")
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}
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fmt.Println("SUCCESS: Named type operations work correctly\n")
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}
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func testInterface() {
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fmt.Println("=== Test Interface ===")
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pkg := types.NewPackage("example.com/test", "test")
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posMethod := types.NewFunc(token.NoPos, pkg, "Pos", types.NewSignatureType(nil, nil, nil, nil, types.NewTuple(types.NewVar(0, pkg, "", types.Typ[types.Int])), false))
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endMethod := types.NewFunc(token.NoPos, pkg, "End", types.NewSignatureType(nil, nil, nil, nil, types.NewTuple(types.NewVar(0, pkg, "", types.Typ[types.Int])), false))
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methods := []*types.Func{posMethod, endMethod}
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iface := types.NewInterfaceType(methods, nil)
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iface.Complete()
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fmt.Printf("Interface with %d methods\n", iface.NumMethods())
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method := iface.Method(0)
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fmt.Printf("Method 0: %s\n", method.Name())
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fmt.Println("SUCCESS: Interface operations work correctly\n")
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}
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func testStruct() {
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fmt.Println("=== Test Struct ===")
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fields := []*types.Var{
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types.NewField(token.NoPos, nil, "X", types.Typ[types.Int], false),
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types.NewField(token.NoPos, nil, "Y", types.Typ[types.String], false),
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}
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structType := types.NewStruct(fields, nil)
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fmt.Printf("Struct with %d fields\n", structType.NumFields())
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field0 := structType.Field(0)
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fmt.Printf("Field 0: Name=%s, Type=%v\n", field0.Name(), field0.Type())
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fmt.Println("SUCCESS: Struct operations work correctly\n")
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}
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func testSignature() {
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fmt.Println("=== Test Signature ===")
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params := types.NewTuple(
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types.NewVar(token.NoPos, nil, "x", types.Typ[types.Int]),
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types.NewVar(token.NoPos, nil, "y", types.Typ[types.String]),
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)
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results := types.NewTuple(
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types.NewVar(token.NoPos, nil, "", types.Typ[types.Bool]),
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)
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sig := types.NewSignatureType(nil, nil, nil, params, results, false)
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fmt.Printf("Signature: %d params, %d results\n", sig.Params().Len(), sig.Results().Len())
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param0 := sig.Params().At(0)
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fmt.Printf("Param 0: Name=%s, Type=%v\n", param0.Name(), param0.Type())
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||||
|
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fmt.Println("SUCCESS: Signature operations work correctly\n")
|
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}
|
||||
|
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func testTuple() {
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fmt.Println("=== Test Tuple ===")
|
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|
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tuple := types.NewTuple(
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types.NewVar(token.NoPos, nil, "a", types.Typ[types.Int]),
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types.NewVar(token.NoPos, nil, "b", types.Typ[types.String]),
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)
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fmt.Printf("Tuple length: %d\n", tuple.Len())
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var0 := tuple.At(0)
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fmt.Printf("Element 0: Name=%s, Type=%v\n", var0.Name(), var0.Type())
|
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fmt.Println("SUCCESS: Tuple operations work correctly\n")
|
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}
|
||||
|
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func testArray() {
|
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fmt.Println("=== Test Array ===")
|
||||
|
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arrayType := types.NewArray(types.Typ[types.Int], 10)
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fmt.Printf("Array type: %v, Elem: %v, Len: %d\n", arrayType, arrayType.Elem(), arrayType.Len())
|
||||
|
||||
fmt.Println("SUCCESS: Array operations work correctly\n")
|
||||
}
|
||||
|
||||
func testSlice() {
|
||||
fmt.Println("=== Test Slice ===")
|
||||
|
||||
sliceType := types.NewSlice(types.Typ[types.String])
|
||||
fmt.Printf("Slice type: %v, Elem: %v\n", sliceType, sliceType.Elem())
|
||||
|
||||
fmt.Println("SUCCESS: Slice operations work correctly\n")
|
||||
}
|
||||
|
||||
func testPointer() {
|
||||
fmt.Println("=== Test Pointer ===")
|
||||
|
||||
ptrType := types.NewPointer(types.Typ[types.Int])
|
||||
fmt.Printf("Pointer type: %v, Elem: %v\n", ptrType, ptrType.Elem())
|
||||
|
||||
fmt.Println("SUCCESS: Pointer operations work correctly\n")
|
||||
}
|
||||
|
||||
func testMap() {
|
||||
fmt.Println("=== Test Map ===")
|
||||
|
||||
mapType := types.NewMap(types.Typ[types.String], types.Typ[types.Int])
|
||||
fmt.Printf("Map type: %v, Key: %v, Elem: %v\n", mapType, mapType.Key(), mapType.Elem())
|
||||
|
||||
fmt.Println("SUCCESS: Map operations work correctly\n")
|
||||
}
|
||||
|
||||
func testChan() {
|
||||
fmt.Println("=== Test Chan ===")
|
||||
|
||||
chanType := types.NewChan(types.SendRecv, types.Typ[types.Int])
|
||||
fmt.Printf("Chan type: %v, Dir: %v, Elem: %v\n", chanType, chanType.Dir(), chanType.Elem())
|
||||
|
||||
sendChan := types.NewChan(types.SendOnly, types.Typ[types.String])
|
||||
fmt.Printf("SendOnly chan: %v, Dir: %v\n", sendChan, sendChan.Dir())
|
||||
|
||||
recvChan := types.NewChan(types.RecvOnly, types.Typ[types.Bool])
|
||||
fmt.Printf("RecvOnly chan: %v, Dir: %v\n", recvChan, recvChan.Dir())
|
||||
|
||||
fmt.Println("SUCCESS: Chan operations work correctly\n")
|
||||
}
|
||||
@@ -1,58 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"go/types"
|
||||
)
|
||||
|
||||
func main() {
|
||||
testScopeInsertLookup()
|
||||
testScopeLookupNonExistent()
|
||||
testScopeMultipleObjects()
|
||||
}
|
||||
|
||||
func testScopeInsertLookup() {
|
||||
fmt.Println("=== Test Scope Insert and Lookup ===")
|
||||
scope := types.NewScope(nil, 0, 0, "test")
|
||||
obj := types.NewVar(0, nil, "x", types.Typ[types.Int])
|
||||
|
||||
scope.Insert(obj)
|
||||
|
||||
result := scope.Lookup("x")
|
||||
if result != obj {
|
||||
panic(fmt.Sprintf("Lookup returned wrong object: expected %v, got %v", obj, result))
|
||||
}
|
||||
fmt.Println("SUCCESS: Scope.Insert and Lookup work correctly")
|
||||
}
|
||||
|
||||
func testScopeLookupNonExistent() {
|
||||
fmt.Println("\n=== Test Scope Lookup Non-Existent ===")
|
||||
scope := types.NewScope(nil, 0, 0, "test")
|
||||
|
||||
result := scope.Lookup("nonexistent")
|
||||
if result != nil {
|
||||
panic(fmt.Sprintf("Lookup should return nil for non-existent name, got %v", result))
|
||||
}
|
||||
fmt.Println("SUCCESS: Lookup returns nil for non-existent name")
|
||||
}
|
||||
|
||||
func testScopeMultipleObjects() {
|
||||
fmt.Println("\n=== Test Scope Multiple Objects ===")
|
||||
scope := types.NewScope(nil, 0, 0, "test")
|
||||
obj1 := types.NewVar(0, nil, "x", types.Typ[types.Int])
|
||||
obj2 := types.NewVar(0, nil, "y", types.Typ[types.String])
|
||||
|
||||
scope.Insert(obj1)
|
||||
scope.Insert(obj2)
|
||||
|
||||
result1 := scope.Lookup("x")
|
||||
if result1 != obj1 {
|
||||
panic(fmt.Sprintf("Lookup('x') returned wrong object: expected %v, got %v", obj1, result1))
|
||||
}
|
||||
|
||||
result2 := scope.Lookup("y")
|
||||
if result2 != obj2 {
|
||||
panic(fmt.Sprintf("Lookup('y') returned wrong object: expected %v, got %v", obj2, result2))
|
||||
}
|
||||
fmt.Println("SUCCESS: Multiple objects handled correctly")
|
||||
}
|
||||
@@ -1,63 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"go/ast"
|
||||
"go/token"
|
||||
)
|
||||
|
||||
func main() {
|
||||
testIdentToExpr()
|
||||
testExprPos()
|
||||
testExprEnd()
|
||||
}
|
||||
|
||||
func testIdentToExpr() {
|
||||
fmt.Println("=== Test Ident to Expr Conversion ===")
|
||||
ident := &ast.Ident{
|
||||
NamePos: token.Pos(1),
|
||||
Name: "foo",
|
||||
}
|
||||
|
||||
var expr ast.Expr = ident
|
||||
if expr == nil {
|
||||
panic("Interface conversion failed: expr is nil")
|
||||
}
|
||||
fmt.Printf("Identifier: %s\n", ident.Name)
|
||||
fmt.Println("SUCCESS: ast.Expr interface conversion works correctly")
|
||||
}
|
||||
|
||||
func testExprPos() {
|
||||
fmt.Println("\n=== Test Expr.Pos() Method ===")
|
||||
expectedPos := token.Pos(42)
|
||||
ident := &ast.Ident{
|
||||
NamePos: expectedPos,
|
||||
Name: "bar",
|
||||
}
|
||||
|
||||
var expr ast.Expr = ident
|
||||
actualPos := expr.Pos()
|
||||
if actualPos != expectedPos {
|
||||
panic(fmt.Sprintf("Pos() returned wrong position: expected %d, got %d", expectedPos, actualPos))
|
||||
}
|
||||
fmt.Printf("Position: %d\n", actualPos)
|
||||
fmt.Println("SUCCESS: Expr.Pos() returns correct position")
|
||||
}
|
||||
|
||||
func testExprEnd() {
|
||||
fmt.Println("\n=== Test Expr.End() Method ===")
|
||||
name := "testvar"
|
||||
ident := &ast.Ident{
|
||||
NamePos: token.Pos(10),
|
||||
Name: name,
|
||||
}
|
||||
|
||||
var expr ast.Expr = ident
|
||||
expectedEnd := token.Pos(10 + len(name))
|
||||
actualEnd := expr.End()
|
||||
if actualEnd != expectedEnd {
|
||||
panic(fmt.Sprintf("End() returned wrong position: expected %d, got %d", expectedEnd, actualEnd))
|
||||
}
|
||||
fmt.Printf("End position: %d\n", actualEnd)
|
||||
fmt.Println("SUCCESS: Expr.End() returns correct position")
|
||||
}
|
||||
Reference in New Issue
Block a user