Files
marte_dev_tools/internal/index/index.go
2026-01-21 10:16:54 +01:00

385 lines
8.7 KiB
Go

package index
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/marte-dev/marte-dev-tools/internal/parser"
)
type ProjectTree struct {
Root *ProjectNode
References []Reference
}
func (pt *ProjectTree) ScanDirectory(rootPath string) error {
return filepath.Walk(rootPath, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if !info.IsDir() && strings.HasSuffix(info.Name(), ".marte") {
content, err := os.ReadFile(path)
if err != nil {
return err // Or log and continue
}
p := parser.NewParser(string(content))
config, err := p.Parse()
if err == nil {
pt.AddFile(path, config)
}
}
return nil
})
}
type Reference struct {
Name string
Position parser.Position
File string
Target *ProjectNode // Resolved target
}
type ProjectNode struct {
Name string // Normalized name
RealName string // The actual name used in definition (e.g. +Node)
Doc string // Aggregated documentation
Fragments []*Fragment
Children map[string]*ProjectNode
Parent *ProjectNode
Metadata map[string]string // Store extra info like Class, Type, Size
}
type Fragment struct {
File string
Definitions []parser.Definition
IsObject bool
ObjectPos parser.Position
Doc string // Documentation for this fragment (if object)
}
func NewProjectTree() *ProjectTree {
return &ProjectTree{
Root: &ProjectNode{
Children: make(map[string]*ProjectNode),
Metadata: make(map[string]string),
},
}
}
func NormalizeName(name string) string {
if len(name) > 0 && (name[0] == '+' || name[0] == '$') {
return name[1:]
}
return name
}
func (pt *ProjectTree) RemoveFile(file string) {
newRefs := []Reference{}
for _, ref := range pt.References {
if ref.File != file {
newRefs = append(newRefs, ref)
}
}
pt.References = newRefs
pt.removeFileFromNode(pt.Root, file)
}
func (pt *ProjectTree) removeFileFromNode(node *ProjectNode, file string) {
newFragments := []*Fragment{}
for _, frag := range node.Fragments {
if frag.File != file {
newFragments = append(newFragments, frag)
}
}
node.Fragments = newFragments
// Re-aggregate documentation
node.Doc = ""
for _, frag := range node.Fragments {
if frag.Doc != "" {
if node.Doc != "" {
node.Doc += "\n\n"
}
node.Doc += frag.Doc
}
}
// Re-aggregate metadata
node.Metadata = make(map[string]string)
pt.rebuildMetadata(node)
for _, child := range node.Children {
pt.removeFileFromNode(child, file)
}
}
func (pt *ProjectTree) rebuildMetadata(node *ProjectNode) {
for _, frag := range node.Fragments {
for _, def := range frag.Definitions {
if f, ok := def.(*parser.Field); ok {
pt.extractFieldMetadata(node, f)
}
}
}
}
func (pt *ProjectTree) extractFieldMetadata(node *ProjectNode, f *parser.Field) {
key := f.Name
val := ""
switch v := f.Value.(type) {
case *parser.StringValue:
val = v.Value
case *parser.ReferenceValue:
val = v.Value
case *parser.IntValue:
val = v.Raw
}
if val == "" {
return
}
// Capture relevant fields
if key == "Class" || key == "Type" || key == "NumberOfElements" || key == "NumberOfDimensions" || key == "DataSource" {
node.Metadata[key] = val
}
}
func (pt *ProjectTree) AddFile(file string, config *parser.Configuration) {
pt.RemoveFile(file)
node := pt.Root
if config.Package != nil {
parts := strings.Split(config.Package.URI, ".")
for _, part := range parts {
part = strings.TrimSpace(part)
if part == "" {
continue
}
if _, ok := node.Children[part]; !ok {
node.Children[part] = &ProjectNode{
Name: part,
RealName: part,
Children: make(map[string]*ProjectNode),
Parent: node,
Metadata: make(map[string]string),
}
}
node = node.Children[part]
}
}
fileFragment := &Fragment{
File: file,
IsObject: false,
}
for _, def := range config.Definitions {
doc := pt.findDoc(config.Comments, def.Pos())
switch d := def.(type) {
case *parser.Field:
fileFragment.Definitions = append(fileFragment.Definitions, d)
pt.indexValue(file, d.Value)
// Metadata update not really relevant for package node usually, but consistency
case *parser.ObjectNode:
norm := NormalizeName(d.Name)
if _, ok := node.Children[norm]; !ok {
node.Children[norm] = &ProjectNode{
Name: norm,
RealName: d.Name,
Children: make(map[string]*ProjectNode),
Parent: node,
Metadata: make(map[string]string),
}
}
child := node.Children[norm]
if child.RealName == norm && d.Name != norm {
child.RealName = d.Name
}
if doc != "" {
if child.Doc != "" {
child.Doc += "\n\n"
}
child.Doc += doc
}
pt.addObjectFragment(child, file, d, doc, config.Comments)
}
}
if len(fileFragment.Definitions) > 0 {
node.Fragments = append(node.Fragments, fileFragment)
}
}
func (pt *ProjectTree) addObjectFragment(node *ProjectNode, file string, obj *parser.ObjectNode, doc string, comments []parser.Comment) {
frag := &Fragment{
File: file,
IsObject: true,
ObjectPos: obj.Position,
Doc: doc,
}
for _, def := range obj.Subnode.Definitions {
subDoc := pt.findDoc(comments, def.Pos())
switch d := def.(type) {
case *parser.Field:
frag.Definitions = append(frag.Definitions, d)
pt.indexValue(file, d.Value)
pt.extractFieldMetadata(node, d)
case *parser.ObjectNode:
norm := NormalizeName(d.Name)
if _, ok := node.Children[norm]; !ok {
node.Children[norm] = &ProjectNode{
Name: norm,
RealName: d.Name,
Children: make(map[string]*ProjectNode),
Parent: node,
Metadata: make(map[string]string),
}
}
child := node.Children[norm]
if child.RealName == norm && d.Name != norm {
child.RealName = d.Name
}
if subDoc != "" {
if child.Doc != "" {
child.Doc += "\n\n"
}
child.Doc += subDoc
}
pt.addObjectFragment(child, file, d, subDoc, comments)
}
}
node.Fragments = append(node.Fragments, frag)
}
func (pt *ProjectTree) findDoc(comments []parser.Comment, pos parser.Position) string {
var docBuilder strings.Builder
targetLine := pos.Line - 1
var docIndices []int
for i := len(comments) - 1; i >= 0; i-- {
c := comments[i]
if c.Position.Line > pos.Line {
continue
}
if c.Position.Line == pos.Line {
continue
}
if c.Position.Line == targetLine {
if c.Doc {
docIndices = append(docIndices, i)
targetLine--
} else {
break
}
} else if c.Position.Line < targetLine {
break
}
}
for i := len(docIndices) - 1; i >= 0; i-- {
txt := strings.TrimPrefix(comments[docIndices[i]].Text, "//#")
txt = strings.TrimSpace(txt)
if docBuilder.Len() > 0 {
docBuilder.WriteString("\n")
}
docBuilder.WriteString(txt)
}
return docBuilder.String()
}
func (pt *ProjectTree) indexValue(file string, val parser.Value) {
switch v := val.(type) {
case *parser.ReferenceValue:
pt.References = append(pt.References, Reference{
Name: v.Value,
Position: v.Position,
File: file,
})
case *parser.ArrayValue:
for _, elem := range v.Elements {
pt.indexValue(file, elem)
}
}
}
func (pt *ProjectTree) ResolveReferences() {
for i := range pt.References {
ref := &pt.References[i]
ref.Target = pt.findNode(pt.Root, ref.Name)
}
}
func (pt *ProjectTree) findNode(root *ProjectNode, name string) *ProjectNode {
if root.RealName == name || root.Name == name {
return root
}
for _, child := range root.Children {
if res := pt.findNode(child, name); res != nil {
return res
}
}
return nil
}
type QueryResult struct {
Node *ProjectNode
Field *parser.Field
Reference *Reference
}
func (pt *ProjectTree) Query(file string, line, col int) *QueryResult {
fmt.Fprintf(os.Stderr, "File: %s:%d:%d\n", file, line, col)
for i := range pt.References {
fmt.Fprintf(os.Stderr, "%s\n", pt.Root.Name)
ref := &pt.References[i]
if ref.File == file {
if line == ref.Position.Line && col >= ref.Position.Column && col < ref.Position.Column+len(ref.Name) {
return &QueryResult{Reference: ref}
}
}
}
return pt.queryNode(pt.Root, file, line, col)
}
func (pt *ProjectTree) queryNode(node *ProjectNode, file string, line, col int) *QueryResult {
for _, frag := range node.Fragments {
if frag.File == file {
if frag.IsObject {
if line == frag.ObjectPos.Line && col >= frag.ObjectPos.Column && col < frag.ObjectPos.Column+len(node.RealName) {
return &QueryResult{Node: node}
}
}
for _, def := range frag.Definitions {
if f, ok := def.(*parser.Field); ok {
if line == f.Position.Line && col >= f.Position.Column && col < f.Position.Column+len(f.Name) {
return &QueryResult{Field: f}
}
}
}
}
}
for _, child := range node.Children {
if res := pt.queryNode(child, file, line, col); res != nil {
return res
}
}
return nil
}