parse files

This commit is contained in:
z7zmey 2017-12-01 18:04:31 +02:00
parent e41b97a09d
commit 880749fbda
8 changed files with 572 additions and 518 deletions

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@ -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 $@ $<

16
example.php Normal file
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@ -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 {
}
}

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@ -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 {

48
main.go
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@ -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
}

980
parser.go

File diff suppressed because it is too large Load Diff

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@ -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:

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@ -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()

View File

@ -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()