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stmt.go
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package astree
import (
"fmt"
"go/ast"
"go/token"
"io"
)
func assignStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.AssignStmt) {
fmt.Fprintf(w, "%s%sAssignStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── Lhs (length=%d)\n", parentPrefix, prefixes[1], len(node.Lhs))
for i := range node.Lhs {
if i < len(node.Lhs)-1 {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, middlePrefixes, node.Lhs[i])
} else {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Lhs[i])
}
}
fmt.Fprintf(w, "%s%s├── TokPos = %s\n", parentPrefix, prefixes[1], fs.Position(node.TokPos))
fmt.Fprintf(w, "%s%s├── Tok = %s\n", parentPrefix, prefixes[1], node.Tok)
fmt.Fprintf(w, "%s%s└── Rhs (length=%d)\n", parentPrefix, prefixes[1], len(node.Rhs))
for i := range node.Rhs {
if i < len(node.Rhs)-1 {
tree(w, fs, parentPrefix+prefixes[1]+tailLine, middlePrefixes, node.Rhs[i])
} else {
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Rhs[i])
}
}
}
func badStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.BadStmt) {
fmt.Fprintf(w, "%s%sBadStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── From = %s\n", parentPrefix, prefixes[1], fs.Position(node.From))
fmt.Fprintf(w, "%s%s└── To = %s\n", parentPrefix, prefixes[1], fs.Position(node.To))
}
func blockStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.BlockStmt) {
fmt.Fprintf(w, "%s%sBlockStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── Lbrace= %s\n", parentPrefix, prefixes[1], fs.Position(node.Lbrace))
fmt.Fprintf(w, "%s%s├── List (length=%d)\n", parentPrefix, prefixes[1], len(node.List))
for i := range node.List {
if i < len(node.List)-1 {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, middlePrefixes, node.List[i])
} else {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.List[i])
}
}
fmt.Fprintf(w, "%s%s└── Rbrace= %s\n", parentPrefix, prefixes[1], fs.Position(node.Rbrace))
}
func branchStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.BranchStmt) {
fmt.Fprintf(w, "%s%sBranchStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── TokPos = %s\n", parentPrefix, prefixes[1], fs.Position(node.TokPos))
fmt.Fprintf(w, "%s%s├── Tok = %s\n", parentPrefix, prefixes[1], node.Tok)
fmt.Fprintf(w, "%s%s└── Label\n", parentPrefix, prefixes[1])
if node.Label != nil {
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Label)
}
}
func declStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.DeclStmt) {
fmt.Fprintf(w, "%s%sDeclStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s└── Decl\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Decl)
}
func deferStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.DeferStmt) {
fmt.Fprintf(w, "%s%sDeferStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── Defer = %s\n", parentPrefix, prefixes[1], fs.Position(node.Defer))
fmt.Fprintf(w, "%s%s└── Call\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Call)
}
func emptyStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.EmptyStmt) {
fmt.Fprintf(w, "%s%sEmptyStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── Semicolon = %s\n", parentPrefix, prefixes[1], fs.Position(node.Semicolon))
fmt.Fprintf(w, "%s%s└── Implicit = %t\n", parentPrefix, prefixes[1], node.Implicit)
}
func exprStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.ExprStmt) {
fmt.Fprintf(w, "%s%sExprStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s└── X\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.X)
}
func forStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.ForStmt) {
fmt.Fprintf(w, "%s%sForStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── For = %s\n", parentPrefix, prefixes[1], fs.Position(node.For))
fmt.Fprintf(w, "%s%s├── Init\n", parentPrefix, prefixes[1])
if node.Init != nil {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Init)
}
fmt.Fprintf(w, "%s%s├── Cond\n", parentPrefix, prefixes[1])
if node.Cond != nil {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Cond)
}
fmt.Fprintf(w, "%s%s├── Post\n", parentPrefix, prefixes[1])
if node.Post != nil {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Post)
}
fmt.Fprintf(w, "%s%s└── Body\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Body)
}
func goStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.GoStmt) {
fmt.Fprintf(w, "%s%sGoStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── Go = %s\n", parentPrefix, prefixes[1], fs.Position(node.Go))
fmt.Fprintf(w, "%s%s└── Call\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Call)
}
func ifStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.IfStmt) {
fmt.Fprintf(w, "%s%sIfStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── If = %s\n", parentPrefix, prefixes[1], fs.Position(node.If))
fmt.Fprintf(w, "%s%s├── Init\n", parentPrefix, prefixes[1])
if node.Init != nil {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Init)
}
fmt.Fprintf(w, "%s%s├── Cond\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Cond)
fmt.Fprintf(w, "%s%s├── Body\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Body)
fmt.Fprintf(w, "%s%s└── Else\n", parentPrefix, prefixes[1])
if node.Else != nil {
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Else)
}
}
func incDecStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.IncDecStmt) {
fmt.Fprintf(w, "%s%sIncDecStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── X\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.X)
fmt.Fprintf(w, "%s%s├── TokPos= %s\n", parentPrefix, prefixes[1], fs.Position(node.TokPos))
fmt.Fprintf(w, "%s%s└── Tok = %s\n", parentPrefix, prefixes[1], node.Tok)
}
func labeledStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.LabeledStmt) {
fmt.Fprintf(w, "%s%sLabeledStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── Label\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Label)
fmt.Fprintf(w, "%s%s├── Colon = %s\n", parentPrefix, prefixes[1], fs.Position(node.Colon))
fmt.Fprintf(w, "%s%s└── Stmt\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Stmt)
}
func rangeStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.RangeStmt) {
fmt.Fprintf(w, "%s%sRangeStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── For = %s\n", parentPrefix, prefixes[1], fs.Position(node.For))
fmt.Fprintf(w, "%s%s├── Key\n", parentPrefix, prefixes[1])
if node.Key != nil {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Key)
}
fmt.Fprintf(w, "%s%s├── Value\n", parentPrefix, prefixes[1])
if node.Value != nil {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Value)
}
fmt.Fprintf(w, "%s%s├── TokPos = %s\n", parentPrefix, prefixes[1], fs.Position(node.TokPos))
fmt.Fprintf(w, "%s%s├── Tok = %s\n", parentPrefix, prefixes[1], node.Tok)
fmt.Fprintf(w, "%s%s├── X\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.X)
fmt.Fprintf(w, "%s%s└── Body\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Body)
}
func returnStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.ReturnStmt) {
fmt.Fprintf(w, "%s%sReturnStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── Return = %s\n", parentPrefix, prefixes[1], fs.Position(node.Return))
fmt.Fprintf(w, "%s%s└── Results\n", parentPrefix, prefixes[1])
for i := range node.Results {
if i < len(node.Results)-1 {
tree(w, fs, parentPrefix+prefixes[1]+tailLine, middlePrefixes, node.Results[i])
} else {
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Results[i])
}
}
}
func selectStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.SelectStmt) {
fmt.Fprintf(w, "%s%sSelectStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── Select = %s\n", parentPrefix, prefixes[1], fs.Position(node.Select))
fmt.Fprintf(w, "%s%s└── Body\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Body)
}
func sendStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.SendStmt) {
fmt.Fprintf(w, "%s%sSendStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── Chan\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Chan)
fmt.Fprintf(w, "%s%s├── Arrow = %s\n", parentPrefix, prefixes[1], fs.Position(node.Arrow))
fmt.Fprintf(w, "%s%s└── Value\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Value)
}
func switchStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.SwitchStmt) {
fmt.Fprintf(w, "%s%sSwitchStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── Switch = %s\n", parentPrefix, prefixes[1], fs.Position(node.Switch))
fmt.Fprintf(w, "%s%s├── Init\n", parentPrefix, prefixes[1])
if node.Init != nil {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Init)
}
fmt.Fprintf(w, "%s%s├── Tag\n", parentPrefix, prefixes[1])
if node.Tag != nil {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Tag)
}
fmt.Fprintf(w, "%s%s└── Body\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Body)
}
func typeSwitchStmt(w io.Writer, fs *token.FileSet, parentPrefix string, prefixes []string, node *ast.TypeSwitchStmt) {
fmt.Fprintf(w, "%s%sTypeSwitchStmt\n", parentPrefix, prefixes[0])
fmt.Fprintf(w, "%s%s├── Switch = %s\n", parentPrefix, prefixes[1], fs.Position(node.Switch))
fmt.Fprintf(w, "%s%s├── Init\n", parentPrefix, prefixes[1])
if node.Init != nil {
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Init)
}
fmt.Fprintf(w, "%s%s├── Assign\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+middleLine, tailPrefixes, node.Assign)
fmt.Fprintf(w, "%s%s└── Body\n", parentPrefix, prefixes[1])
tree(w, fs, parentPrefix+prefixes[1]+tailLine, tailPrefixes, node.Body)
}