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[OPT]优化根节点寻找方式，解决调用链缺失问题 #1

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[OPT]优化根节点寻找方式，解决调用链缺失问题 #1

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27 changes: 13 additions & 14 deletions pkg/analysis/analysis.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,16 @@ package analysis
import (
"encoding/json"
"fmt"
"github.com/goccy/go-graphviz"
"go/ast"
"go/build"
"go/parser"
"go/token"
"io"
"log"
"os"
"strings"

"github.com/goccy/go-graphviz"
"golang.org/x/tools/go/callgraph"
"golang.org/x/tools/go/callgraph/cha"
"golang.org/x/tools/go/callgraph/rta"
Expand All @@ -16,10 +21,6 @@ import (
"golang.org/x/tools/go/packages"
"golang.org/x/tools/go/ssa"
"golang.org/x/tools/go/ssa/ssautil"
"io"
"log"
"os"
"strings"
)

/**
Expand Down Expand Up @@ -260,6 +261,7 @@ func (p *ProgramAnalysis) SetTree() error {
}
pNode.Children = append(pNode.Children, qNode.Key)
qNode.Parent = append(qNode.Parent, pNode.Key)
qNode.CalledTimes += 1
fmt.Printf("%s to %s \n", caller, callee)
return nil
})
Expand Down Expand Up @@ -326,22 +328,19 @@ func (p *ProgramAnalysis) printPng() {
}
g.Close()
}()
main := p.tree.Nodes[p.tree.MainKey]
p.tree.ChildrenToPng(main, nil, graph)
// init函数的遍历

for key, value := range p.tree.Nodes {
// 排除已遍历程序
if _, ok := p.tree.isVisited[key]; ok {
continue
}
// 最后以为以init开始时
keySpl := strings.Split(key, ".")
initKey := keySpl[len(keySpl)-1]
if !strings.HasPrefix(initKey, "init") {
continue

// 入度为0说明是根节点
if value.CalledTimes == 0 {
p.tree.ChildrenToPng(value, nil, graph)
}
p.tree.ChildrenToPng(value, nil, graph)
}

// 1. write to file directly
if err := g.RenderFilename(graph, graphviz.PNG, p.outputPath); err != nil {
log.Fatal(err)
Expand Down
3 changes: 3 additions & 0 deletions pkg/analysis/tree.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package analysis

import (
"fmt"

"github.com/goccy/go-graphviz/cgraph"
)

Expand All @@ -17,6 +18,8 @@ type FuncNode struct {
Pkg string `json:"pkg"`
Name string `json:"name"`

CalledTimes int `json:"calledTimes"` // 被调用次数 入度

Parent []string `json:"parent"` // 通过key来索引
Children []string `json:"children"` // 通过key来索引
}
Expand Down