llcppsigfetch:-v

chore/_xtool/llcppsigfetch/llcppsigfetch.go

@@ -19,6 +19,7 @@ package main
 import (
 	"fmt"
 	"io"
+	"log"
 	"os"
 	"path/filepath"
 	"strconv"
@@ -41,6 +42,10 @@ func main() {
 		printUsage()
 		return
 	}
+	if ags.Verbose {
+		log.SetFlags(0)
+		parse.SetDebug(parse.DbgFlagAll)
+	}
 	extract := false
 	out := false
 
@@ -74,9 +79,21 @@ func main() {
 	}
 
 	if extract {
-		runExtract(extractFile, isTemp, isCpp, out, otherArgs)
+		if ags.Verbose {
+			log.Println("runExtract: extractFile:", extractFile)
+			log.Println("isTemp:", isTemp)
+			log.Println("isCpp:", isCpp)
+			log.Println("out:", out)
+			log.Println("otherArgs:", otherArgs)
+		}
+		runExtract(extractFile, isTemp, isCpp, out, otherArgs, ags.Verbose)
 	} else {
-		runFromConfig(ags.CfgFile, ags.UseStdin, out)
+		if ags.Verbose {
+			log.Println("runFromConfig: config file:", ags.CfgFile)
+			log.Println("use stdin:", ags.UseStdin)
+			log.Println("output to file:", out)
+		}
+		runFromConfig(ags.CfgFile, ags.UseStdin, out, ags.Verbose)
 	}
 
 }
@@ -109,7 +126,7 @@ func printUsage() {
 	fmt.Println("Note: The two usage modes are mutually exclusive. Use either [<config_file>] OR --extract, not both.")
 }
 
-func runFromConfig(cfgFile string, useStdin bool, outputToFile bool) {
+func runFromConfig(cfgFile string, useStdin bool, outputToFile bool, verbose bool) {
 	var data []byte
 	var err error
 	if useStdin {
@@ -117,6 +134,13 @@ func runFromConfig(cfgFile string, useStdin bool, outputToFile bool) {
 	} else {
 		data, err = os.ReadFile(cfgFile)
 	}
+	if verbose {
+		if useStdin {
+			log.Println("runFromConfig: read from stdin")
+		} else {
+			log.Println("runFromConfig: read from file", cfgFile)
+		}
+	}
 	check(err)
 
 	conf, err := config.GetConf(data)
@@ -124,10 +148,21 @@ func runFromConfig(cfgFile string, useStdin bool, outputToFile bool) {
 	defer conf.Delete()
 
 	if err != nil {
-		fmt.Fprintln(os.Stderr, "Failed to parse config file:", cfgFile)
+		log.Println("Failed to parse config file:", cfgFile)
+		os.Exit(1)
 	}
 
-	files := getHeaderFiles(conf.CFlags, conf.Include)
+	//todo(zzy): reuse the llcppsymg's cflags parse
+	cflag := ParseCFlags(conf.CFlags)
+	files, notFounds, err := cflag.GenHeaderFilePaths(conf.Include)
+	check(err)
+
+	if verbose {
+		log.Println("runFromConfig: header file paths", files)
+		if len(notFounds) > 0 {
+			log.Println("runFromConfig: not found header files", notFounds)
+		}
+	}
 
 	context := parse.NewContext(conf.Cplusplus)
 	err = context.ProcessFiles(files)
@@ -136,7 +171,7 @@ func runFromConfig(cfgFile string, useStdin bool, outputToFile bool) {
 	outputInfo(context, outputToFile)
 }
 
-func runExtract(file string, isTemp bool, isCpp bool, outToFile bool, otherArgs []string) {
+func runExtract(file string, isTemp bool, isCpp bool, outToFile bool, otherArgs []string, verbose bool) {
 	cfg := &clangutils.Config{
 		File:  file,
 		Args:  otherArgs,
@@ -175,14 +210,46 @@ func outputResult(result *c.Char, outputToFile bool) {
 	}
 }
 
-func getHeaderFiles(cflags string, files []string) []string {
-	prefix := cflags
-	prefix = strings.TrimPrefix(prefix, "-I")
-	var paths []string
-	for _, f := range files {
-		paths = append(paths, filepath.Join(prefix, f))
+// todo(zzy): reuse the llcppsymg's cflags parse https://github.com/goplus/llgo/pull/788
+type CFlags struct {
+	Paths []string // Include Path
+}
+
+func ParseCFlags(cflags string) *CFlags {
+	parts := strings.Fields(cflags)
+	cf := &CFlags{}
+	for _, part := range parts {
+		if strings.HasPrefix(part, "-I") {
+			cf.Paths = append(cf.Paths, part[2:])
+		}
 	}
-	return paths
+	return cf
+}
+
+func (cf *CFlags) GenHeaderFilePaths(files []string) ([]string, []string, error) {
+	var foundPaths []string
+	var notFound []string
+
+	for _, file := range files {
+		var found bool
+		for _, path := range cf.Paths {
+			fullPath := filepath.Join(path, file)
+			if _, err := os.Stat(fullPath); err == nil {
+				foundPaths = append(foundPaths, fullPath)
+				found = true
+				break
+			}
+		}
+		if !found {
+			notFound = append(notFound, file)
+		}
+	}
+
+	if len(foundPaths) == 0 {
+		return nil, notFound, fmt.Errorf("failed to find any header files")
+	}
+
+	return foundPaths, notFound, nil
 }
 
 func outputInfo(context *parse.Context, outputToFile bool) {

chore/_xtool/llcppsigfetch/parse/cvt.go

@@ -2,6 +2,7 @@ package parse
 
 import (
 	"fmt"
+	"log"
 	"os"
 	"strings"
 	"unsafe"
@@ -64,6 +65,13 @@ type Config struct {
 }
 
 func NewConverter(config *clangutils.Config) (*Converter, error) {
+	if debugParse {
+		log.Println("NewConverter: config")
+		log.Println("config.File", config.File)
+		log.Println("config.Args", config.Args)
+		log.Println("config.IsCpp", config.IsCpp)
+		log.Println("config.Temp", config.Temp)
+	}
 	index, unit, err := clangutils.CreateTranslationUnit(config)
 	if err != nil {
 		return nil, err
@@ -79,7 +87,13 @@ func NewConverter(config *clangutils.Config) (*Converter, error) {
 }
 
 func (ct *Converter) Dispose() {
+	if debugParse {
+		log.Println("Dispose: ct.index")
+	}
 	ct.index.Dispose()
+	if debugParse {
+		log.Println("Dispose: ct.unit")
+	}
 	ct.unit.Dispose()
 }
 
@@ -123,14 +137,23 @@ func (ct *Converter) UpdateLoc(cursor clang.Cursor) {
 
 func (ct *Converter) GetCurFile() *ast.File {
 	if ct.curLoc.File == "" {
+		if debugParse {
+			log.Println("GetCurFile: NO FILE")
+		}
 		return nil
 	}
 	// todo(zzy): more efficient
 	for i, entry := range ct.Files {
 		if entry.Path == ct.curLoc.File {
+			if debugParse {
+				log.Println("GetCurFile: found", ct.curLoc.File)
+			}
 			return ct.Files[i].Doc
 		}
 	}
+	if debugParse {
+		log.Println("GetCurFile: Create New ast.File", ct.curLoc.File)
+	}
 	newDoc := &ast.File{}
 	ct.Files = append(ct.Files, &FileEntry{Path: ct.curLoc.File, Doc: newDoc})
 	return newDoc
@@ -219,6 +242,13 @@ func (ct *Converter) visitTop(cursor, parent clang.Cursor) clang.ChildVisitResul
 	ct.UpdateLoc(cursor)
 
 	curFile := ct.GetCurFile()
+
+	if debugParse {
+		name := cursor.String()
+		defer name.Dispose()
+		log.Println("visitTop: Cursor:", c.GoString(name.CStr()))
+	}
+
 	if curFile == nil {
 		return clang.ChildVisit_Continue
 	}
@@ -227,27 +257,69 @@ func (ct *Converter) visitTop(cursor, parent clang.Cursor) clang.ChildVisitResul
 	case clang.CursorInclusionDirective:
 		include := ct.ProcessInclude(cursor)
 		curFile.Includes = append(curFile.Includes, include)
+		if debugParse {
+			log.Println("visitTop: ProcessInclude END ", include.Path)
+		}
 	case clang.CursorMacroDefinition:
 		macro := ct.ProcessMacro(cursor)
 		curFile.Macros = append(curFile.Macros, macro)
+		if debugParse {
+			log.Println("visitTop: ProcessMacro END ", macro.Name, "Tokens Length:", len(macro.Tokens))
+		}
 	case clang.CursorEnumDecl:
 		enum := ct.ProcessEnumDecl(cursor)
 		curFile.Decls = append(curFile.Decls, enum)
+		if debugParse {
+			name := "anonymous"
+			if enum.Name != nil {
+				name = enum.Name.Name
+			}
+			log.Println("visitTop: ProcessEnumDecl END", name)
+		}
 	case clang.CursorClassDecl:
 		classDecl := ct.ProcessClassDecl(cursor)
 		curFile.Decls = append(curFile.Decls, classDecl)
+		if debugParse {
+			name := "anonymous"
+			if classDecl.Name != nil {
+				name = classDecl.Name.Name
+			}
+			log.Println("visitTop: ProcessClassDecl END", name)
+		}
 	case clang.CursorStructDecl:
 		structDecl := ct.ProcessStructDecl(cursor)
 		curFile.Decls = append(curFile.Decls, structDecl)
+		if debugParse {
+			name := "anonymous"
+			if structDecl.Name != nil {
+				name = structDecl.Name.Name
+			}
+			log.Println("visitTop: ProcessStructDecl END", name)
+		}
 	case clang.CursorUnionDecl:
 		unionDecl := ct.ProcessUnionDecl(cursor)
 		curFile.Decls = append(curFile.Decls, unionDecl)
+		if debugParse {
+			name := "anonymous"
+			if unionDecl.Name != nil {
+				name = unionDecl.Name.Name
+			}
+			log.Println("visitTop: ProcessUnionDecl END", name)
+		}
 	case clang.CursorFunctionDecl, clang.CursorCXXMethod, clang.CursorConstructor, clang.CursorDestructor:
 		// Handle functions and class methods (including out-of-class method)
 		// Example: void MyClass::myMethod() { ... } out-of-class method
-		curFile.Decls = append(curFile.Decls, ct.ProcessFuncDecl(cursor))
+		funcDecl := ct.ProcessFuncDecl(cursor)
+		curFile.Decls = append(curFile.Decls, funcDecl)
+		if debugParse {
+			log.Println("visitTop: ProcessFuncDecl END", funcDecl.Name.Name, funcDecl.MangledName, "isStatic:", funcDecl.IsStatic, "isInline:", funcDecl.IsInline)
+		}
 	case clang.CursorTypedefDecl:
-		curFile.Decls = append(curFile.Decls, ct.ProcessTypeDefDecl(cursor))
+		typedefDecl := ct.ProcessTypeDefDecl(cursor)
+		curFile.Decls = append(curFile.Decls, typedefDecl)
+		if debugParse {
+			log.Println("visitTop: ProcessTypeDefDecl END", typedefDecl.Name.Name)
+		}
 	case clang.CursorNamespace:
 		VisitChildren(cursor, ct.visitTop)
 	}
@@ -352,12 +424,17 @@ func (ct *Converter) ProcessTypeDefDecl(cursor clang.Cursor) *ast.TypedefDecl {
 	}
 
 	ct.SetTypeDecl(cursor, decl)
+
 	return decl
 }
 
 func (ct *Converter) ProcessUnderlyingType(cursor clang.Cursor) ast.Expr {
 	underlyingTyp := cursor.TypedefDeclUnderlyingType()
+
 	if underlyingTyp.Kind != clang.TypeElaborated {
+		if debugParse {
+			log.Println("ProcessUnderlyingType: not elaborated")
+		}
 		return ct.ProcessType(underlyingTyp)
 	}
 
@@ -370,6 +447,9 @@ func (ct *Converter) ProcessUnderlyingType(cursor clang.Cursor) ast.Expr {
 		// In this case, libclang incorrectly reports an anonymous struct as a named struct
 		sourceCode := ct.GetTokens(referTypeCursor)
 		if isAnonymousStructure(sourceCode) {
+			if debugParse {
+				log.Println("ProcessUnderlyingType: is anonymous structure")
+			}
 			ct.SetAnonyType(referTypeCursor)
 			typ, isValidType := ct.GetTypeDecl(referTypeCursor)
 			if isValidType {
@@ -377,9 +457,15 @@ func (ct *Converter) ProcessUnderlyingType(cursor clang.Cursor) ast.Expr {
 				// according to a normal anonymous decl
 				switch declType := typ.(type) {
 				case *ast.EnumTypeDecl:
+					if debugParse {
+						log.Println("ProcessUnderlyingType: is actually anonymous enum,remove name")
+					}
 					declType.Name = nil
 				case *ast.TypeDecl:
 					if declType.Type.Tag != ast.Class {
+						if debugParse {
+							log.Println("ProcessUnderlyingType: is actually anonymous struct,remove name")
+						}
 						declType.Name = nil
 					} else {
 						// Unreachable: There should be no anonymous classes in this context
@@ -405,11 +491,17 @@ func (ct *Converter) ProcessFuncDecl(cursor clang.Cursor) *ast.FuncDecl {
 
 	// function type will only collect return type
 	// ProcessType can't get the field names,will collect in follows
+	if debugParse {
+		log.Println("ProcessFuncDecl: Get Base FuncType")
+	}
 	funcType, ok := ct.ProcessType(cursor.Type()).(*ast.FuncType)
 	if !ok {
 		fmt.Println("failed to process function type")
 		return nil
 	}
+	if debugParse {
+		log.Println("ProcessFuncDecl: ProcessFieldList")
+	}
 	params := ct.ProcessFieldList(cursor)
 	funcType.Params = params
 
@@ -428,6 +520,9 @@ func (ct *Converter) ProcessFuncDecl(cursor clang.Cursor) *ast.FuncDecl {
 	}
 
 	if isMethod(cursor) {
+		if debugParse {
+			log.Println("ProcessFuncDecl: is method, ProcessMethodAttributes")
+		}
 		ct.ProcessMethodAttributes(cursor, funcDecl)
 	} else {
 		if cursor.StorageClass() == clang.SCStatic {
@@ -436,7 +531,6 @@ func (ct *Converter) ProcessFuncDecl(cursor clang.Cursor) *ast.FuncDecl {
 	}
 
 	ct.SetTypeDecl(cursor, funcDecl)
-
 	return funcDecl
 }
 
@@ -675,7 +769,6 @@ func (ct *Converter) ProcessClassDecl(cursor clang.Cursor) *ast.TypeDecl {
 		Type:     typ,
 	}
 	ct.SetTypeDecl(cursor, decl)
-
 	return decl
 }
 

chore/_xtool/llcppsigfetch/parse/parse.go

@@ -2,11 +2,27 @@ package parse
 
 import (
 	"errors"
+	"log"
 
 	"github.com/goplus/llgo/c/cjson"
 	"github.com/goplus/llgo/chore/_xtool/llcppsymg/clangutils"
 )
 
+type dbgFlags = int
+
+const (
+	DbgParse   dbgFlags = 1 << iota
+	DbgFlagAll          = DbgParse
+)
+
+var (
+	debugParse bool
+)
+
+func SetDebug(dbgFlags dbgFlags) {
+	debugParse = (dbgFlags & DbgParse) != 0
+}
+
 type Context struct {
 	Files []*FileEntry
 	IsCpp bool
@@ -25,6 +41,9 @@ func (p *Context) Output() *cjson.JSON {
 
 // ProcessFiles processes the given files and adds them to the context
 func (p *Context) ProcessFiles(files []string) error {
+	if debugParse {
+		log.Println("ProcessFiles: files", files, "isCpp", p.IsCpp)
+	}
 	for _, file := range files {
 		if err := p.processFile(file); err != nil {
 			return err
@@ -35,8 +54,14 @@ func (p *Context) ProcessFiles(files []string) error {
 
 // parse file and add it to the context,avoid duplicate parsing
 func (p *Context) processFile(path string) error {
+	if debugParse {
+		log.Println("processFile: path", path)
+	}
 	for _, entry := range p.Files {
 		if entry.Path == path {
+			if debugParse {
+				log.Println("processFile: already parsed", path)
+			}
 			return nil
 		}
 	}
@@ -50,6 +75,9 @@ func (p *Context) processFile(path string) error {
 }
 
 func (p *Context) parseFile(path string) ([]*FileEntry, error) {
+	if debugParse {
+		log.Println("parseFile: path", path)
+	}
 	converter, err := NewConverter(&clangutils.Config{
 		File:  path,
 		Temp:  false,