llcppsigfetch:output result

chore/_xtool/llcppsigfetch/parse/parse.go

@@ -3,6 +3,8 @@ package parse
 import (
 	"errors"
 
+	"github.com/goplus/llgo/c"
+	"github.com/goplus/llgo/c/cjson"
 	"github.com/goplus/llgo/chore/llcppg/ast"
 )
 
@@ -16,6 +18,18 @@ func NewContext() *Context {
 	}
 }
 
+func (p *Context) Output() *cjson.JSON {
+	root := cjson.Array()
+	for path, file := range p.Files {
+		f := cjson.Object()
+		path := cjson.String(c.AllocaCStr(path))
+		f.SetItem(c.Str("path"), path)
+		f.SetItem(c.Str("doc"), MarshalASTFile(file))
+		root.AddItem(f)
+	}
+	return root
+}
+
 // ProcessFiles processes the given files and adds them to the context
 func (p *Context) ProcessFiles(files []string) error {
 	for _, file := range files {