517 lines
28 KiB
Ragel
517 lines
28 KiB
Ragel
package scanner
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import (
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"fmt"
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"strconv"
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"strings"
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"github.com/z7zmey/php-parser/freefloating"
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)
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%%{
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machine lexer;
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write data;
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access lex.;
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variable p lex.p;
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variable pe lex.pe;
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}%%
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func NewLexer(data []byte) *Lexer {
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lex := &Lexer{
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data: data,
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pe: len(data),
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stack: make([]int, 0),
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TokenPool: &TokenPool{},
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NewLines: NewLines{make([]int, 0, 128)},
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}
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%% write init;
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return lex
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}
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func (lex *Lexer) Lex(lval Lval) int {
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lex.FreeFloating = nil
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eof := lex.pe
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var tok TokenID
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token := lex.TokenPool.Get()
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token.FreeFloating = lex.FreeFloating
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token.Value = string(lex.data[0:0])
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lblStart := 0
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lblEnd := 0
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_, _ = lblStart, lblEnd
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%%{
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action heredoc_lbl_start {lblStart = lex.p}
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action heredoc_lbl_end {lblEnd = lex.p}
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action constant_string_new_line {
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if lex.data[lex.p] == '\n' {
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lex.NewLines.Append(lex.p)
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}
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if lex.data[lex.p] == '\r' && lex.data[lex.p+1] != '\n' {
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lex.NewLines.Append(lex.p)
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}
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}
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action is_not_heredoc_end { lex.isNotHeredocEnd(lex.p) }
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action is_not_comment_end { lex.isNotPhpCloseToken() && lex.isNotNewLine() }
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action is_not_heredoc_end_or_var { lex.isNotHeredocEnd(lex.p) && lex.isNotStringVar() }
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action is_not_string_end_or_var { lex.isNotStringEnd('"') && lex.isNotStringVar() }
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action is_not_backqoute_end_or_var { lex.isNotStringEnd('`') && lex.isNotStringVar() }
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newline = ('\r\n' >(nl, 1) | '\r' >(nl, 0) | '\n' >(nl, 0)) %{lex.NewLines.Append(lex.p);};
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any_line = any | newline;
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whitespace = [\t\v\f ];
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whitespace_line = [\t\v\f ] | newline;
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lnum = [0-9]+('_'[0-9]+)*;
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dnum = (lnum?"." lnum)|(lnum"."lnum?);
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hnum = '0x'[0-9a-fA-F]+('_'[0-9a-fA-F]+)*;
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bnum = '0b'[01]+('_'[01]+)*;
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exponent_dnum = (lnum | dnum) ('e'|'E') ('+'|'-')? lnum;
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varname_first = [a-zA-Z_] | (0x0080..0x00FF);
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varname_second = varname_first | [0-9];
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varname = varname_first (varname_second)*;
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heredoc_label = varname >heredoc_lbl_start %heredoc_lbl_end;
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operators = ';'|':'|','|'.'|'['|']'|'('|')'|'|'|'/'|'^'|'&'|'+'|'-'|'*'|'='|'%'|'!'|'~'|'$'|'<'|'>'|'?'|'@';
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prepush { lex.growCallStack(); }
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constant_string =
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start: (
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"'" -> qoute
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| "b"i? '"' -> double_qoute
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),
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# single qoute string
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qoute: (
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(any - [\\'\r\n]) -> qoute
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| "\r" @constant_string_new_line -> qoute
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| "\n" @constant_string_new_line -> qoute
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| "\\" -> qoute_any
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| "'" -> final
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),
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qoute_any: (
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(any - [\r\n]) -> qoute
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| "\r" @constant_string_new_line -> qoute
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| "\n" @constant_string_new_line -> qoute
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),
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# double qoute string
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double_qoute: (
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(any - [\\"${\r\n]) -> double_qoute
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| "\r" @constant_string_new_line -> double_qoute
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| "\n" @constant_string_new_line -> double_qoute
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| "\\" -> double_qoute_any
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| '"' -> final
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| '$' -> double_qoute_nonvarname
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| '{' -> double_qoute_nondollar
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),
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double_qoute_any: (
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(any - [\r\n]) -> double_qoute
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| "\r" @constant_string_new_line -> double_qoute
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| "\n" @constant_string_new_line -> double_qoute
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),
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double_qoute_nondollar: (
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(any - [\\$"\r\n]) -> double_qoute
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| "\r" @constant_string_new_line -> double_qoute
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| "\n" @constant_string_new_line -> double_qoute
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| "\\" -> double_qoute_any
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| '"' -> final
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),
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double_qoute_nonvarname: (
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(any - [\\{"\r\n] - varname_first) -> double_qoute
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| "\r" @constant_string_new_line -> double_qoute
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| "\n" @constant_string_new_line -> double_qoute
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| "\\" -> double_qoute_any
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| '"' -> final
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);
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main := |*
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"#!" any* :>> newline => {
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lex.addFreeFloating(freefloating.CommentType, lex.ts, lex.te)
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};
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any => {
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fnext html;
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lex.ungetCnt(1)
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};
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*|;
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html := |*
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any_line+ -- '<?' => {
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lex.ungetStr("<")
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lex.setTokenPosition(token)
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tok = T_INLINE_HTML;
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fbreak;
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};
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'<?' => {
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lex.addFreeFloating(freefloating.TokenType, lex.ts, lex.te)
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fnext php;
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};
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'<?php'i ( [ \t] | newline ) => {
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lex.ungetCnt(lex.te - lex.ts - 5)
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lex.addFreeFloating(freefloating.TokenType, lex.ts, lex.ts+5)
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fnext php;
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};
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'<?='i => {
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lex.setTokenPosition(token);
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tok = T_ECHO;
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fnext php;
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fbreak;
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};
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*|;
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php := |*
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whitespace_line* => {lex.addFreeFloating(freefloating.WhiteSpaceType, lex.ts, lex.te)};
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'?>' newline? => {lex.setTokenPosition(token); tok = TokenID(int(';')); fnext html; fbreak;};
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';' whitespace_line* '?>' newline? => {lex.setTokenPosition(token); tok = TokenID(int(';')); fnext html; fbreak;};
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(dnum | exponent_dnum) => {lex.setTokenPosition(token); tok = T_DNUMBER; fbreak;};
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bnum => {
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s := strings.Replace(string(lex.data[lex.ts+2:lex.te]), "_", "", -1)
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_, err := strconv.ParseInt(s, 2, 0)
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if err == nil {
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lex.setTokenPosition(token); tok = T_LNUMBER; fbreak;
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}
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lex.setTokenPosition(token); tok = T_DNUMBER; fbreak;
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};
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lnum => {
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base := 10
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if lex.data[lex.ts] == '0' {
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base = 8
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}
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s := strings.Replace(string(lex.data[lex.ts:lex.te]), "_", "", -1)
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_, err := strconv.ParseInt(s, base, 0)
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if err == nil {
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lex.setTokenPosition(token); tok = T_LNUMBER; fbreak;
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}
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lex.setTokenPosition(token); tok = T_DNUMBER; fbreak;
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};
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hnum => {
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s := strings.Replace(string(lex.data[lex.ts+2:lex.te]), "_", "", -1)
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_, err := strconv.ParseInt(s, 16, 0)
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if err == nil {
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lex.setTokenPosition(token); tok = T_LNUMBER; fbreak;
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}
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lex.setTokenPosition(token); tok = T_DNUMBER; fbreak;
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};
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'abstract'i => {lex.setTokenPosition(token); tok = T_ABSTRACT; fbreak;};
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'array'i => {lex.setTokenPosition(token); tok = T_ARRAY; fbreak;};
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'as'i => {lex.setTokenPosition(token); tok = T_AS; fbreak;};
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'break'i => {lex.setTokenPosition(token); tok = T_BREAK; fbreak;};
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'callable'i => {lex.setTokenPosition(token); tok = T_CALLABLE; fbreak;};
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'case'i => {lex.setTokenPosition(token); tok = T_CASE; fbreak;};
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'catch'i => {lex.setTokenPosition(token); tok = T_CATCH; fbreak;};
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'class'i => {lex.setTokenPosition(token); tok = T_CLASS; fbreak;};
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'clone'i => {lex.setTokenPosition(token); tok = T_CLONE; fbreak;};
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'const'i => {lex.setTokenPosition(token); tok = T_CONST; fbreak;};
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'continue'i => {lex.setTokenPosition(token); tok = T_CONTINUE; fbreak;};
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'declare'i => {lex.setTokenPosition(token); tok = T_DECLARE; fbreak;};
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'default'i => {lex.setTokenPosition(token); tok = T_DEFAULT; fbreak;};
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'do'i => {lex.setTokenPosition(token); tok = T_DO; fbreak;};
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'echo'i => {lex.setTokenPosition(token); tok = T_ECHO; fbreak;};
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'else'i => {lex.setTokenPosition(token); tok = T_ELSE; fbreak;};
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'elseif'i => {lex.setTokenPosition(token); tok = T_ELSEIF; fbreak;};
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'empty'i => {lex.setTokenPosition(token); tok = T_EMPTY; fbreak;};
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'enddeclare'i => {lex.setTokenPosition(token); tok = T_ENDDECLARE; fbreak;};
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'endfor'i => {lex.setTokenPosition(token); tok = T_ENDFOR; fbreak;};
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'endforeach'i => {lex.setTokenPosition(token); tok = T_ENDFOREACH; fbreak;};
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'endif'i => {lex.setTokenPosition(token); tok = T_ENDIF; fbreak;};
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'endswitch'i => {lex.setTokenPosition(token); tok = T_ENDSWITCH; fbreak;};
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'endwhile'i => {lex.setTokenPosition(token); tok = T_ENDWHILE; fbreak;};
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'eval'i => {lex.setTokenPosition(token); tok = T_EVAL; fbreak;};
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'exit'i | 'die'i => {lex.setTokenPosition(token); tok = T_EXIT; fbreak;};
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'extends'i => {lex.setTokenPosition(token); tok = T_EXTENDS; fbreak;};
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'final'i => {lex.setTokenPosition(token); tok = T_FINAL; fbreak;};
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'finally'i => {lex.setTokenPosition(token); tok = T_FINALLY; fbreak;};
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'for'i => {lex.setTokenPosition(token); tok = T_FOR; fbreak;};
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'foreach'i => {lex.setTokenPosition(token); tok = T_FOREACH; fbreak;};
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'function'i | 'cfunction'i => {lex.setTokenPosition(token); tok = T_FUNCTION; fbreak;};
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'fn'i => {lex.setTokenPosition(token); tok = T_FN; fbreak;};
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'global'i => {lex.setTokenPosition(token); tok = T_GLOBAL; fbreak;};
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'goto'i => {lex.setTokenPosition(token); tok = T_GOTO; fbreak;};
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'if'i => {lex.setTokenPosition(token); tok = T_IF; fbreak;};
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'isset'i => {lex.setTokenPosition(token); tok = T_ISSET; fbreak;};
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'implements'i => {lex.setTokenPosition(token); tok = T_IMPLEMENTS; fbreak;};
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'instanceof'i => {lex.setTokenPosition(token); tok = T_INSTANCEOF; fbreak;};
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'insteadof'i => {lex.setTokenPosition(token); tok = T_INSTEADOF; fbreak;};
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'interface'i => {lex.setTokenPosition(token); tok = T_INTERFACE; fbreak;};
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'list'i => {lex.setTokenPosition(token); tok = T_LIST; fbreak;};
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'namespace'i => {lex.setTokenPosition(token); tok = T_NAMESPACE; fbreak;};
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'private'i => {lex.setTokenPosition(token); tok = T_PRIVATE; fbreak;};
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'public'i => {lex.setTokenPosition(token); tok = T_PUBLIC; fbreak;};
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'print'i => {lex.setTokenPosition(token); tok = T_PRINT; fbreak;};
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'protected'i => {lex.setTokenPosition(token); tok = T_PROTECTED; fbreak;};
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'return'i => {lex.setTokenPosition(token); tok = T_RETURN; fbreak;};
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'static'i => {lex.setTokenPosition(token); tok = T_STATIC; fbreak;};
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'switch'i => {lex.setTokenPosition(token); tok = T_SWITCH; fbreak;};
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'throw'i => {lex.setTokenPosition(token); tok = T_THROW; fbreak;};
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'trait'i => {lex.setTokenPosition(token); tok = T_TRAIT; fbreak;};
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'try'i => {lex.setTokenPosition(token); tok = T_TRY; fbreak;};
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'unset'i => {lex.setTokenPosition(token); tok = T_UNSET; fbreak;};
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'use'i => {lex.setTokenPosition(token); tok = T_USE; fbreak;};
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'var'i => {lex.setTokenPosition(token); tok = T_VAR; fbreak;};
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'while'i => {lex.setTokenPosition(token); tok = T_WHILE; fbreak;};
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'yield'i whitespace_line* 'from'i => {lex.setTokenPosition(token); tok = T_YIELD_FROM; fbreak;};
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'yield'i => {lex.setTokenPosition(token); tok = T_YIELD; fbreak;};
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'include'i => {lex.setTokenPosition(token); tok = T_INCLUDE; fbreak;};
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'include_once'i => {lex.setTokenPosition(token); tok = T_INCLUDE_ONCE; fbreak;};
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'require'i => {lex.setTokenPosition(token); tok = T_REQUIRE; fbreak;};
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'require_once'i => {lex.setTokenPosition(token); tok = T_REQUIRE_ONCE; fbreak;};
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'__CLASS__'i => {lex.setTokenPosition(token); tok = T_CLASS_C; fbreak;};
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'__DIR__'i => {lex.setTokenPosition(token); tok = T_DIR; fbreak;};
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'__FILE__'i => {lex.setTokenPosition(token); tok = T_FILE; fbreak;};
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'__FUNCTION__'i => {lex.setTokenPosition(token); tok = T_FUNC_C; fbreak;};
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'__LINE__'i => {lex.setTokenPosition(token); tok = T_LINE; fbreak;};
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'__NAMESPACE__'i => {lex.setTokenPosition(token); tok = T_NS_C; fbreak;};
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'__METHOD__'i => {lex.setTokenPosition(token); tok = T_METHOD_C; fbreak;};
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'__TRAIT__'i => {lex.setTokenPosition(token); tok = T_TRAIT_C; fbreak;};
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'__halt_compiler'i => {lex.setTokenPosition(token); tok = T_HALT_COMPILER; fnext halt_compiller_open_parenthesis; fbreak;};
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'new'i => {lex.setTokenPosition(token); tok = T_NEW; fbreak;};
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'and'i => {lex.setTokenPosition(token); tok = T_LOGICAL_AND; fbreak;};
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'or'i => {lex.setTokenPosition(token); tok = T_LOGICAL_OR; fbreak;};
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'xor'i => {lex.setTokenPosition(token); tok = T_LOGICAL_XOR; fbreak;};
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'\\' => {lex.setTokenPosition(token); tok = T_NS_SEPARATOR; fbreak;};
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'...' => {lex.setTokenPosition(token); tok = T_ELLIPSIS; fbreak;};
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'::' => {lex.setTokenPosition(token); tok = T_PAAMAYIM_NEKUDOTAYIM; fbreak;};
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'&&' => {lex.setTokenPosition(token); tok = T_BOOLEAN_AND; fbreak;};
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'||' => {lex.setTokenPosition(token); tok = T_BOOLEAN_OR; fbreak;};
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'&=' => {lex.setTokenPosition(token); tok = T_AND_EQUAL; fbreak;};
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'|=' => {lex.setTokenPosition(token); tok = T_OR_EQUAL; fbreak;};
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'.=' => {lex.setTokenPosition(token); tok = T_CONCAT_EQUAL; fbreak;};
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'*=' => {lex.setTokenPosition(token); tok = T_MUL_EQUAL; fbreak;};
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'**=' => {lex.setTokenPosition(token); tok = T_POW_EQUAL; fbreak;};
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'/=' => {lex.setTokenPosition(token); tok = T_DIV_EQUAL; fbreak;};
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'+=' => {lex.setTokenPosition(token); tok = T_PLUS_EQUAL; fbreak;};
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'-=' => {lex.setTokenPosition(token); tok = T_MINUS_EQUAL; fbreak;};
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'^=' => {lex.setTokenPosition(token); tok = T_XOR_EQUAL; fbreak;};
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'%=' => {lex.setTokenPosition(token); tok = T_MOD_EQUAL; fbreak;};
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'--' => {lex.setTokenPosition(token); tok = T_DEC; fbreak;};
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'++' => {lex.setTokenPosition(token); tok = T_INC; fbreak;};
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'=>' => {lex.setTokenPosition(token); tok = T_DOUBLE_ARROW; fbreak;};
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'<=>' => {lex.setTokenPosition(token); tok = T_SPACESHIP; fbreak;};
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'!=' | '<>' => {lex.setTokenPosition(token); tok = T_IS_NOT_EQUAL; fbreak;};
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'!==' => {lex.setTokenPosition(token); tok = T_IS_NOT_IDENTICAL; fbreak;};
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'==' => {lex.setTokenPosition(token); tok = T_IS_EQUAL; fbreak;};
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'===' => {lex.setTokenPosition(token); tok = T_IS_IDENTICAL; fbreak;};
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'<<=' => {lex.setTokenPosition(token); tok = T_SL_EQUAL; fbreak;};
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'>>=' => {lex.setTokenPosition(token); tok = T_SR_EQUAL; fbreak;};
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'>=' => {lex.setTokenPosition(token); tok = T_IS_GREATER_OR_EQUAL; fbreak;};
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'<=' => {lex.setTokenPosition(token); tok = T_IS_SMALLER_OR_EQUAL; fbreak;};
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'**' => {lex.setTokenPosition(token); tok = T_POW; fbreak;};
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'<<' => {lex.setTokenPosition(token); tok = T_SL; fbreak;};
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'>>' => {lex.setTokenPosition(token); tok = T_SR; fbreak;};
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'??' => {lex.setTokenPosition(token); tok = T_COALESCE; fbreak;};
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'??=' => {lex.setTokenPosition(token); tok = T_COALESCE_EQUAL; fbreak;};
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'(' whitespace* 'array'i whitespace* ')' => {lex.setTokenPosition(token); tok = T_ARRAY_CAST; fbreak;};
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'(' whitespace* ('bool'i|'boolean'i) whitespace* ')' => {lex.setTokenPosition(token); tok = T_BOOL_CAST; fbreak;};
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'(' whitespace* ('real'i|'double'i|'float'i) whitespace* ')' => {lex.setTokenPosition(token); tok = T_DOUBLE_CAST; fbreak;};
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'(' whitespace* ('int'i|'integer'i) whitespace* ')' => {lex.setTokenPosition(token); tok = T_INT_CAST; fbreak;};
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'(' whitespace* 'object'i whitespace* ')' => {lex.setTokenPosition(token); tok = T_OBJECT_CAST; fbreak;};
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'(' whitespace* ('string'i|'binary'i) whitespace* ')' => {lex.setTokenPosition(token); tok = T_STRING_CAST; fbreak;};
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'(' whitespace* 'unset'i whitespace* ')' => {lex.setTokenPosition(token); tok = T_UNSET_CAST; fbreak;};
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('#' | '//') any_line* when is_not_comment_end => {
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lex.ungetStr("?>")
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lex.addFreeFloating(freefloating.CommentType, lex.ts, lex.te)
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};
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'/*' any_line* :>> '*/' {
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isDocComment := false;
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if lex.te - lex.ts > 4 && string(lex.data[lex.ts:lex.ts+3]) == "/**" {
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isDocComment = true;
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}
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lex.addFreeFloating(freefloating.CommentType, lex.ts, lex.te)
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if isDocComment {
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lex.PhpDocComment = string(lex.data[lex.ts:lex.te])
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}
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};
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operators => {
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// rune, _ := utf8.DecodeRune(lex.data[lex.ts:lex.te]);
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// tok = TokenID(Rune2Class(rune));
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lex.setTokenPosition(token);
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tok = TokenID(int(lex.data[lex.ts]));
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fbreak;
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};
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"{" => { lex.setTokenPosition(token); tok = TokenID(int('{')); lex.call(ftargs, fentry(php)); goto _out; };
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"}" => { lex.setTokenPosition(token); tok = TokenID(int('}')); lex.ret(1); lex.PhpDocComment = ""; goto _out;};
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"$" varname => { lex.setTokenPosition(token); tok = T_VARIABLE; fbreak; };
|
|
varname => { lex.setTokenPosition(token); tok = T_STRING; fbreak; };
|
|
|
|
"->" => { lex.setTokenPosition(token); tok = T_OBJECT_OPERATOR; fnext property; fbreak; };
|
|
|
|
constant_string => {
|
|
lex.setTokenPosition(token);
|
|
tok = T_CONSTANT_ENCAPSED_STRING;
|
|
fbreak;
|
|
};
|
|
|
|
"b"i? "<<<" [ \t]* ( heredoc_label | ("'" heredoc_label "'") | ('"' heredoc_label '"') ) newline => {
|
|
lex.heredocLabel = lex.data[lblStart:lblEnd]
|
|
lex.setTokenPosition(token);
|
|
tok = T_START_HEREDOC;
|
|
|
|
if lex.isHeredocEnd(lex.p+1) {
|
|
fnext heredoc_end;
|
|
} else if lex.data[lblStart-1] == '\'' {
|
|
fnext nowdoc;
|
|
} else {
|
|
fnext heredoc;
|
|
}
|
|
fbreak;
|
|
};
|
|
"`" => {lex.setTokenPosition(token); tok = TokenID(int('`')); fnext backqote; fbreak;};
|
|
'"' => {lex.setTokenPosition(token); tok = TokenID(int('"')); fnext template_string; fbreak;};
|
|
|
|
any_line => {
|
|
c := lex.data[lex.p]
|
|
lex.Error(fmt.Sprintf("WARNING: Unexpected character in input: '%c' (ASCII=%d)", c, c));
|
|
};
|
|
*|;
|
|
|
|
property := |*
|
|
whitespace_line* => {lex.addFreeFloating(freefloating.WhiteSpaceType, lex.ts, lex.te)};
|
|
"->" => {lex.setTokenPosition(token); tok = T_OBJECT_OPERATOR; fbreak;};
|
|
varname => {lex.setTokenPosition(token); tok = T_STRING; fnext php; fbreak;};
|
|
any => {lex.ungetCnt(1); fgoto php;};
|
|
*|;
|
|
|
|
nowdoc := |*
|
|
any_line* when is_not_heredoc_end => {
|
|
lex.setTokenPosition(token);
|
|
tok = T_ENCAPSED_AND_WHITESPACE;
|
|
fnext heredoc_end;
|
|
fbreak;
|
|
};
|
|
*|;
|
|
|
|
heredoc := |*
|
|
"{$" => {lex.ungetCnt(1); lex.setTokenPosition(token); tok = T_CURLY_OPEN; lex.call(ftargs, fentry(php)); goto _out;};
|
|
"${" => {lex.setTokenPosition(token); tok = T_DOLLAR_OPEN_CURLY_BRACES; lex.call(ftargs, fentry(string_var_name)); goto _out;};
|
|
"$" => {lex.ungetCnt(1); fcall string_var;};
|
|
any_line* when is_not_heredoc_end_or_var => {
|
|
lex.setTokenPosition(token);
|
|
tok = T_ENCAPSED_AND_WHITESPACE;
|
|
|
|
if len(lex.data) > lex.p+1 && lex.data[lex.p+1] != '$' && lex.data[lex.p+1] != '{' {
|
|
fnext heredoc_end;
|
|
}
|
|
fbreak;
|
|
};
|
|
*|;
|
|
|
|
backqote := |*
|
|
"{$" => {lex.ungetCnt(1); lex.setTokenPosition(token); tok = T_CURLY_OPEN; lex.call(ftargs, fentry(php)); goto _out;};
|
|
"${" => {lex.setTokenPosition(token); tok = T_DOLLAR_OPEN_CURLY_BRACES; lex.call(ftargs, fentry(string_var_name)); goto _out;};
|
|
"$" => {lex.ungetCnt(1); fcall string_var;};
|
|
'`' => {lex.setTokenPosition(token); tok = TokenID(int('`')); fnext php; fbreak;};
|
|
any_line* when is_not_backqoute_end_or_var => {
|
|
lex.setTokenPosition(token);
|
|
tok = T_ENCAPSED_AND_WHITESPACE;
|
|
fbreak;
|
|
};
|
|
*|;
|
|
|
|
template_string := |*
|
|
"{$" => {lex.ungetCnt(1); lex.setTokenPosition(token); tok = T_CURLY_OPEN; lex.call(ftargs, fentry(php)); goto _out;};
|
|
"${" => {lex.setTokenPosition(token); tok = T_DOLLAR_OPEN_CURLY_BRACES; lex.call(ftargs, fentry(string_var_name)); goto _out;};
|
|
"$" => {lex.ungetCnt(1); fcall string_var;};
|
|
'"' => {lex.setTokenPosition(token); tok = TokenID(int('"')); fnext php; fbreak;};
|
|
any_line* when is_not_string_end_or_var => {
|
|
lex.setTokenPosition(token);
|
|
tok = T_ENCAPSED_AND_WHITESPACE;
|
|
fbreak;
|
|
};
|
|
*|;
|
|
|
|
heredoc_end := |*
|
|
varname -- ";" => {
|
|
lex.setTokenPosition(token);
|
|
tok = T_END_HEREDOC;
|
|
fnext php;
|
|
fbreak;
|
|
};
|
|
varname => {
|
|
lex.setTokenPosition(token);
|
|
tok = T_END_HEREDOC;
|
|
fnext php;
|
|
fbreak;
|
|
};
|
|
*|;
|
|
|
|
string_var := |*
|
|
'$' varname => {lex.setTokenPosition(token); tok = T_VARIABLE; fbreak;};
|
|
'->' varname_first => {lex.ungetCnt(1); lex.setTokenPosition(token); tok = T_OBJECT_OPERATOR; fbreak;};
|
|
varname => {lex.setTokenPosition(token); tok = T_STRING; fbreak;};
|
|
'[' => {lex.setTokenPosition(token); tok = TokenID(int('[')); lex.call(ftargs, fentry(string_var_index)); goto _out;};
|
|
any => {lex.ungetCnt(1); fret;};
|
|
*|;
|
|
|
|
string_var_index := |*
|
|
lnum | hnum | bnum => {lex.setTokenPosition(token); tok = T_NUM_STRING; fbreak;};
|
|
'$' varname => {lex.setTokenPosition(token); tok = T_VARIABLE; fbreak;};
|
|
varname => {lex.setTokenPosition(token); tok = T_STRING; fbreak;};
|
|
whitespace_line | [\\'#] => {lex.setTokenPosition(token); tok = T_ENCAPSED_AND_WHITESPACE; lex.ret(2); goto _out;};
|
|
operators > (svi, 1) => {lex.setTokenPosition(token); tok = TokenID(int(lex.data[lex.ts])); fbreak;};
|
|
']' > (svi, 2) => {lex.setTokenPosition(token); tok = TokenID(int(']')); lex.ret(2); goto _out;};
|
|
any_line => {
|
|
c := lex.data[lex.p]
|
|
lex.Error(fmt.Sprintf("WARNING: Unexpected character in input: '%c' (ASCII=%d)", c, c));
|
|
};
|
|
*|;
|
|
|
|
string_var_name := |*
|
|
varname ("[" | "}") => {lex.ungetCnt(1); lex.setTokenPosition(token); tok = T_STRING_VARNAME; fnext php; fbreak;};
|
|
any => {lex.ungetCnt(1); fnext php;};
|
|
*|;
|
|
|
|
halt_compiller_open_parenthesis := |*
|
|
whitespace_line* => {lex.addFreeFloating(freefloating.WhiteSpaceType, lex.ts, lex.te)};
|
|
"(" => {lex.setTokenPosition(token); tok = TokenID(int('(')); fnext halt_compiller_close_parenthesis; fbreak;};
|
|
any => {lex.ungetCnt(1); fnext php;};
|
|
*|;
|
|
|
|
halt_compiller_close_parenthesis := |*
|
|
whitespace_line* => {lex.addFreeFloating(freefloating.WhiteSpaceType, lex.ts, lex.te)};
|
|
")" => {lex.setTokenPosition(token); tok = TokenID(int(')')); fnext halt_compiller_close_semicolon; fbreak;};
|
|
any => {lex.ungetCnt(1); fnext php;};
|
|
*|;
|
|
|
|
halt_compiller_close_semicolon := |*
|
|
whitespace_line* => {lex.addFreeFloating(freefloating.WhiteSpaceType, lex.ts, lex.te)};
|
|
";" => {lex.setTokenPosition(token); tok = TokenID(int(';')); fnext halt_compiller_end; fbreak;};
|
|
any => {lex.ungetCnt(1); fnext php;};
|
|
*|;
|
|
|
|
halt_compiller_end := |*
|
|
any_line* => { lex.addFreeFloating(freefloating.TokenType, lex.ts, lex.te); };
|
|
*|;
|
|
|
|
write exec;
|
|
}%%
|
|
|
|
token.FreeFloating = lex.FreeFloating
|
|
token.Value = string(lex.data[lex.ts:lex.te])
|
|
|
|
lval.Token(token)
|
|
|
|
return int(tok);
|
|
} |