parse files

Makefile

@@ -10,7 +10,7 @@ all: parser.go scanner.go
 	go build
 
 run: all
-	./php-parser
+	./php-parser example.php
 
 scanner.go: scanner.l
 	golex -o $@ $<

example.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace z7zmey\Example;
+
+use \Exception;
+use z7zmey\Foo\{Bar, function Baz};
+
+abstract class Foo extends Bar implements Buz, Buzz {
+    use \z7zmey\_Trait;
+
+    public const CC = 0;
+
+    public function &test(bool $a, string $b = null): ?void {
+        
+    }
+}

lexer.go

@@ -20,7 +20,7 @@ type lexer struct {
 	stateStack []int
 }
 
-func newLexer(src io.Reader, dst io.Writer, fName string) *lexer {
+func newLexer(src io.Reader, fName string) *lexer {
 	file := token.NewFileSet().AddFile(fName, -1, 1<<31-1)
 	lx, err := lex.New(file, bufio.NewReader(src), lex.RuneClass(rune2Class))
 	if err != nil {

main.go

@@ -1,41 +1,33 @@
 package main
 
 import (
-	"bytes"
+	"flag"
+	"fmt"
+	"log"
 	"os"
-	"unicode"
+
+	"github.com/yookoala/realpath"
 )
 
-const src = `
-<?php
-namespace Test;
-
-/**
- * Class foo
- */
-class foo
-{
-    
-}
-`
-
 func main() {
 	yyDebug = 0
 	yyErrorVerbose = true
-	l := newLexer(bytes.NewBufferString(src), os.Stdout, "file.name")
-	yyParse(l)
+
+	flag.Parse()
+
+	for _, path := range flag.Args() {
+		real, err := realpath.Realpath(path)
+		checkErr(err)
+		fmt.Printf("\n==> %s", real)
+
+		src, _ := os.Open(string(real))
+		rn := parse(src, real)
+		fmt.Println(rn)
+	}
 }
 
-func rune2Class(r rune) int {
-	if r >= 0 && r < 0x80 { // Keep ASCII as it is.
-		return int(r)
+func checkErr(err error) {
+	if err != nil {
+		log.Fatal(err)
 	}
-	if unicode.IsLetter(r) {
-		return classUnicodeLeter
-	}
-	if unicode.IsDigit(r) {
-		return classUnicodeDigit
-	}
-	// return classOther
-	return -1
 }

parser.y

@@ -2,9 +2,17 @@
 package main
 
 import (
-  "fmt"
+  "io"
 )
 
+var rootNode = Node("Root")
+
+func parse(src io.Reader, fName string) node {
+    rootNode = Node("Root") //reset
+    yyParse(newLexer(src, fName))
+    return rootNode
+}
+
 %}
 
 %union{
@@ -194,7 +202,7 @@ import (
 /////////////////////////////////////////////////////////////////////////
 
 start:
-    top_statement_list                                  { fmt.Println($1) }
+    top_statement_list                                  { rootNode = $1; }
 ;
 
 reserved_non_modifiers:

scanner.go

@@ -11,6 +11,7 @@ package main
 import (
 	"bytes"
 	"fmt"
+	"unicode"
 )
 
 const (
@@ -29,6 +30,20 @@ const (
 
 var heredocLabel []byte
 
+func rune2Class(r rune) int {
+	if r >= 0 && r < 0x80 { // Keep ASCII as it is.
+		return int(r)
+	}
+	if unicode.IsLetter(r) {
+		return classUnicodeLeter
+	}
+	if unicode.IsDigit(r) {
+		return classUnicodeDigit
+	}
+	// return classOther
+	return -1
+}
+
 func (l *lexer) Lex(lval *yySymType) int { // Lex(lval *yySymType)
 	c := l.Enter()
 

scanner.l

@@ -10,6 +10,7 @@ package main
 import (
     "fmt"
     "bytes"
+	"unicode"
 )
 
 const (
@@ -28,6 +29,20 @@ const (
 
 var heredocLabel []byte
 
+func rune2Class(r rune) int {
+	if r >= 0 && r < 0x80 { // Keep ASCII as it is.
+		return int(r)
+	}
+	if unicode.IsLetter(r) {
+		return classUnicodeLeter
+	}
+	if unicode.IsDigit(r) {
+		return classUnicodeDigit
+	}
+	// return classOther
+	return -1
+}
+
 func (l *lexer) Lex(lval *yySymType) int { // Lex(lval *yySymType)
   c := l.Enter()