Merge pull request z7zmey#117 from z7zmey/refactoring

Refactoring

Author: z7zmey

.gitattributes

@@ -0,0 +1,6 @@
+internal/php5/php5.go       -diff -merge
+internal/php5/php5.go       linguist-generated=true
+internal/php7/php7.go       -diff -merge
+internal/php7/php7.go       linguist-generated=true
+internal/scanner/scanner.go -diff -merge
+internal/scanner/scanner.go linguist-generated=true

Makefile

@@ -1,16 +1,13 @@
 PHPFILE=example.php
 
-all: compile fmt build run
+all: compile fmt build
 
 fmt:
 	find . -type f -iregex '.*\.go' -exec gofmt -l -s -w '{}' +
 
 build:
 	go generate ./...
-	go build
-
-run:
-	./php-parser -d go $(PHPFILE)
+	go build ./cmd/...
 
 test:
 	go test ./...
@@ -19,38 +16,38 @@ cover:
 	go test ./... --cover
 
 bench:
-	go test -benchmem -bench=. ./php5
-	go test -benchmem -bench=. ./php7
-
-compile: ./php5/php5.go ./php7/php7.go ./scanner/scanner.go fmt
-	sed -i '' -e 's/yyErrorVerbose = false/yyErrorVerbose = true/g' ./php7/php7.go
-	sed -i '' -e 's/yyErrorVerbose = false/yyErrorVerbose = true/g' ./php5/php5.go
-	sed -i '' -e 's/\/\/line/\/\/ line/g' ./php5/php5.go
-	sed -i '' -e 's/\/\/line/\/\/ line/g' ./php7/php7.go
-	sed -i '' -e 's/\/\/line/\/\/ line/g' ./scanner/scanner.go
+	go test -benchmem -bench=. ./internal/php5
+	go test -benchmem -bench=. ./internal/php7
+
+compile: ./internal/php5/php5.go ./internal/php7/php7.go ./internal/scanner/scanner.go
+	sed -i '' -e 's/yyErrorVerbose = false/yyErrorVerbose = true/g' ./internal/php7/php7.go
+	sed -i '' -e 's/yyErrorVerbose = false/yyErrorVerbose = true/g' ./internal/php5/php5.go
+	sed -i '' -e 's/\/\/line/\/\/ line/g' ./internal/php5/php5.go
+	sed -i '' -e 's/\/\/line/\/\/ line/g' ./internal/php7/php7.go
+	sed -i '' -e 's/\/\/line/\/\/ line/g' ./internal/scanner/scanner.go
 	rm -f y.output
 
-./scanner/scanner.go: ./scanner/scanner.rl
+./internal/scanner/scanner.go: ./internal/scanner/scanner.rl
 	ragel -Z -G2 -o $@ $<
 
-./php5/php5.go: ./php5/php5.y
+./internal/php5/php5.go: ./internal/php5/php5.y
 	goyacc -o $@ $<
 
-./php7/php7.go: ./php7/php7.y
+./internal/php7/php7.go: ./internal/php7/php7.y
 	goyacc -o $@ $<
 
 cpu_pprof:
-	go test -cpuprofile cpu.pprof -bench=. -benchtime=20s ./php7
+	go test -cpuprofile cpu.pprof -bench=. -benchtime=20s ./internal/php7
 	go tool pprof ./php7.test cpu.pprof
 
 mem_pprof:
-	go test -memprofile mem.pprof -bench=. -benchtime=20s -benchmem ./php7
+	go test -memprofile mem.pprof -bench=. -benchtime=20s -benchmem ./internal/php7
 	go tool pprof -alloc_objects ./php7.test mem.pprof
 
 cpu_pprof_php5:
-	go test -cpuprofile cpu.prof -bench=. -benchtime=20s ./php5
+	go test -cpuprofile cpu.prof -bench=. -benchtime=20s ./internal/php5
 	go tool pprof ./php5.test cpu.prof
 
 mem_pprof_php5:
-	go test -memprofile mem.prof -bench=. -benchtime=20s -benchmem ./php5
+	go test -memprofile mem.prof -bench=. -benchtime=20s -benchmem ./internal/php5
 	go tool pprof -alloc_objects ./php5.test mem.prof

main.go renamed to cmd/php-parser/main.go

@@ -4,50 +4,73 @@ import (
 	"bytes"
 	"flag"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"log"
 	"os"
 	"path/filepath"
 	"runtime"
+	"strconv"
 	"sync"
+	"time"
 
 	"github.com/pkg/profile"
 	"github.com/yookoala/realpath"
-	"github.com/z7zmey/php-parser/parser"
-	"github.com/z7zmey/php-parser/printer"
-	"github.com/z7zmey/php-parser/visitor"
+
+	"github.com/z7zmey/php-parser/pkg/ast"
+	"github.com/z7zmey/php-parser/pkg/cfg"
+	"github.com/z7zmey/php-parser/pkg/errors"
+	"github.com/z7zmey/php-parser/pkg/parser"
+	"github.com/z7zmey/php-parser/pkg/version"
+	"github.com/z7zmey/php-parser/pkg/visitor/dumper"
+	"github.com/z7zmey/php-parser/pkg/visitor/nsresolver"
+	"github.com/z7zmey/php-parser/pkg/visitor/printer"
+	"github.com/z7zmey/php-parser/pkg/visitor/traverser"
 )
 
 var wg sync.WaitGroup
-var phpVersion string
-var dumpType string
+var phpVersion *version.Version
 var profiler string
-var withFreeFloating *bool
+var dump *bool
 var showResolvedNs *bool
 var printBack *bool
 var printPath *bool
+var printErrors *bool
+var printExecTime *bool
 
 type file struct {
 	path    string
 	content []byte
 }
 
 type result struct {
-	path   string
-	parser parser.Parser
+	path     string
+	rootNode ast.Vertex
+	errors   []*errors.Error
 }
 
 func main() {
-	withFreeFloating = flag.Bool("ff", false, "parse and show free floating strings")
+	start := time.Now()
+	var phpVer string
+
+	printExecTime = flag.Bool("time", false, "print execution time")
 	showResolvedNs = flag.Bool("r", false, "resolve names")
 	printBack = flag.Bool("pb", false, "print AST back into the parsed file")
 	printPath = flag.Bool("p", false, "print filepath")
-	flag.StringVar(&dumpType, "d", "", "dump format: [custom, go, json, pretty_json]")
+	printErrors = flag.Bool("e", false, "print errors")
+	dump = flag.Bool("d", false, "dump")
 	flag.StringVar(&profiler, "prof", "", "start profiler: [cpu, mem, trace]")
-	flag.StringVar(&phpVersion, "phpver", "7.4", "php version")
+	flag.StringVar(&phpVer, "phpver", "7.4", "php version")
 
 	flag.Parse()
 
+	var err error
+	phpVersion, err = version.New(phpVer)
+	if err != nil {
+		fmt.Println("Error: " + err.Error())
+		os.Exit(1)
+	}
+
 	if len(flag.Args()) == 0 {
 		flag.Usage()
 		return
@@ -82,6 +105,11 @@ func main() {
 	wg.Wait()
 	close(fileCh)
 	close(resultCh)
+
+	elapsed := time.Since(start)
+	if *printExecTime {
+		log.Printf("took: %s", elapsed)
+	}
 }
 
 func processPath(pathList []string, fileCh chan<- *file) {
@@ -109,18 +137,19 @@ func parserWorker(fileCh <-chan *file, r chan<- result) {
 			return
 		}
 
-		parserWorker, err := parser.NewParser(f.content, phpVersion)
+		var parserErrors []*errors.Error
+		rootNode, err := parser.Parse(f.content, cfg.Config{
+			Version: phpVersion,
+			ErrorHandlerFunc: func(e *errors.Error) {
+				parserErrors = append(parserErrors, e)
+			},
+		})
 		if err != nil {
-			panic(err.Error())
+			fmt.Println("Error:" + err.Error())
+			os.Exit(1)
 		}
 
-		if *withFreeFloating {
-			parserWorker.WithFreeFloating()
-		}
-
-		parserWorker.Parse()
-
-		r <- result{path: f.path, parser: parserWorker}
+		r <- result{path: f.path, rootNode: rootNode, errors: parserErrors}
 	}
 }
 
@@ -136,51 +165,34 @@ func printerWorker(r <-chan result) {
 		counter++
 
 		if *printPath {
-			fmt.Fprintf(os.Stdout, "==> [%d] %s\n", counter, res.path)
+			_, _ = io.WriteString(os.Stderr, "==> ["+strconv.Itoa(counter)+"] "+res.path+"\n")
 		}
 
-		for _, e := range res.parser.GetErrors() {
-			fmt.Fprintf(os.Stdout, "==> %s\n", e)
+		if *printErrors {
+			for _, e := range res.errors {
+				_, _ = io.WriteString(os.Stderr, "==> "+e.String()+"\n")
+			}
 		}
 
 		if *printBack {
 			o := bytes.NewBuffer([]byte{})
 			p := printer.NewPrinter(o)
-			p.Print(res.parser.GetRootNode())
+			res.rootNode.Accept(p)
 
 			err := ioutil.WriteFile(res.path, o.Bytes(), 0644)
 			checkErr(err)
 		}
 
-		var nsResolver *visitor.NamespaceResolver
 		if *showResolvedNs {
-			nsResolver = visitor.NewNamespaceResolver()
-			res.parser.GetRootNode().Walk(nsResolver)
+			v := nsresolver.NewNamespaceResolver()
+			traverser.NewTraverser(v).Traverse(res.rootNode)
+			for _, n := range v.ResolvedNames {
+				_, _ = io.WriteString(os.Stderr, "===> "+n+"\n")
+			}
 		}
 
-		switch dumpType {
-		case "custom":
-			dumper := &visitor.Dumper{
-				Writer:     os.Stdout,
-				Indent:     "| ",
-				NsResolver: nsResolver,
-			}
-			res.parser.GetRootNode().Walk(dumper)
-		case "json":
-			dumper := &visitor.JsonDumper{
-				Writer:     os.Stdout,
-				NsResolver: nsResolver,
-			}
-			res.parser.GetRootNode().Walk(dumper)
-		case "pretty_json":
-			dumper := &visitor.PrettyJsonDumper{
-				Writer:     os.Stdout,
-				NsResolver: nsResolver,
-			}
-			res.parser.GetRootNode().Walk(dumper)
-		case "go":
-			dumper := &visitor.GoDumper{Writer: os.Stdout}
-			res.parser.GetRootNode().Walk(dumper)
+		if *dump == true {
+			dumper.NewDumper(os.Stdout).WithPositions().WithTokens().Dump(res.rootNode)
 		}
 
 		wg.Done()