r3/php/r3/annotation/scanner.re
2015-02-12 13:21:50 +08:00

193 lines
4.1 KiB
C++

/*
+------------------------------------------------------------------------+
| Phalcon Framework |
+------------------------------------------------------------------------+
| Copyright (c) 2011-2014 Phalcon Team (http://www.phalconphp.com) |
+------------------------------------------------------------------------+
| This source file is subject to the New BSD License that is bundled |
| with this package in the file docs/LICENSE.txt. |
| |
| If you did not receive a copy of the license and are unable to |
| obtain it through the world-wide-web, please send an email |
| to license@phalconphp.com so we can send you a copy immediately. |
+------------------------------------------------------------------------+
| Authors: Andres Gutierrez <andres@phalconphp.com> |
| Eduar Carvajal <eduar@phalconphp.com> |
+------------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "scanner.h"
#define YYCTYPE unsigned char
#define YYCURSOR (s->start)
#define YYLIMIT (s->end)
#define YYMARKER q
int phannot_get_token(phannot_scanner_state *s, phannot_scanner_token *token) {
char next, *q = YYCURSOR, *start = YYCURSOR;
int status = PHANNOT_SCANNER_RETCODE_IMPOSSIBLE;
while (PHANNOT_SCANNER_RETCODE_IMPOSSIBLE == status) {
if (s->mode == PHANNOT_MODE_RAW) {
if (*YYCURSOR == '\n') {
s->active_line++;
}
next = *(YYCURSOR+1);
if (*YYCURSOR == '\0' || *YYCURSOR == '@') {
if ((next >= 'A' && next <= 'Z') || (next >= 'a' && next <= 'z')) {
s->mode = PHANNOT_MODE_ANNOTATION;
continue;
}
}
++YYCURSOR;
token->opcode = PHANNOT_T_IGNORE;
return 0;
} else {
/*!re2c
re2c:indent:top = 2;
re2c:yyfill:enable = 0;
INTEGER = [\-]?[0-9]+;
INTEGER {
token->opcode = PHANNOT_T_INTEGER;
token->value = estrndup(start, YYCURSOR - start);
token->len = YYCURSOR - start;
q = YYCURSOR;
return 0;
}
DOUBLE = ([\-]?[0-9]+[\.][0-9]+);
DOUBLE {
token->opcode = PHANNOT_T_DOUBLE;
token->value = estrndup(start, YYCURSOR - start);
token->len = YYCURSOR - start;
q = YYCURSOR;
return 0;
}
'null' {
token->opcode = PHANNOT_T_NULL;
return 0;
}
'false' {
token->opcode = PHANNOT_T_FALSE;
return 0;
}
'true' {
token->opcode = PHANNOT_T_TRUE;
return 0;
}
STRING = (["] ([\\]["]|[\\].|[\001-\377]\[\\"])* ["])|(['] ([\\][']|[\\].|[\001-\377]\[\\'])* [']);
STRING {
token->opcode = PHANNOT_T_STRING;
token->value = estrndup(q, YYCURSOR - q - 1);
token->len = YYCURSOR - q - 1;
q = YYCURSOR;
return 0;
}
IDENTIFIER = ('\x5C'?[a-zA-Z_]([a-zA-Z0-9_]*)('\x5C'[a-zA-Z_]([a-zA-Z0-9_]*))*);
IDENTIFIER {
token->opcode = PHANNOT_T_IDENTIFIER;
token->value = estrndup(start, YYCURSOR - start);
token->len = YYCURSOR - start;
q = YYCURSOR;
return 0;
}
"(" {
token->opcode = PHANNOT_T_PARENTHESES_OPEN;
return 0;
}
")" {
token->opcode = PHANNOT_T_PARENTHESES_CLOSE;
return 0;
}
"{" {
token->opcode = PHANNOT_T_BRACKET_OPEN;
return 0;
}
"}" {
token->opcode = PHANNOT_T_BRACKET_CLOSE;
return 0;
}
"[" {
token->opcode = PHANNOT_T_SBRACKET_OPEN;
return 0;
}
"]" {
token->opcode = PHANNOT_T_SBRACKET_CLOSE;
return 0;
}
"@" {
token->opcode = PHANNOT_T_AT;
return 0;
}
"=" {
token->opcode = PHANNOT_T_EQUALS;
return 0;
}
":" {
token->opcode = PHANNOT_T_COLON;
return 0;
}
"," {
token->opcode = PHANNOT_T_COMMA;
return 0;
}
[ \t\r]+ {
token->opcode = PHANNOT_T_IGNORE;
return 0;
}
[\n] {
s->active_line++;
token->opcode = PHANNOT_T_IGNORE;
return 0;
}
"\000" {
status = PHANNOT_SCANNER_RETCODE_EOF;
break;
}
[^] {
status = PHANNOT_SCANNER_RETCODE_ERR;
break;
}
*/
}
}
return status;
}