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| ZEND_EXTERN_MODULE_GLOBALS(phpdbg) |
|
|
| void phpdbg_init_lexer (phpdbg_param_t *stack, char *input) { |
| PHPDBG_G(parser_stack) = stack; |
|
|
| YYSETCONDITION(INITIAL); |
|
|
| LEX(text) = YYCURSOR = (unsigned char *) input; |
| LEX(len) = strlen(input); |
| } |
|
|
| static int unescape_string(char *s) { |
| switch (*s) { |
| case '\'': |
| case '\"': { |
| char start = *s; |
| size_t off = 1; |
| do { |
| if (s[off] == '\\') { |
| off++; |
| } |
| *s = s[off]; |
| } while ((++s)[off] != start); |
| return off + 1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| int phpdbg_lex (phpdbg_param_t* yylval) { |
| |
| restart: |
| LEX(text) = YYCURSOR; |
| |
| /*!re2c |
| re2c:yyfill:check = 0; |
| T_TRUE 'true' |
| T_YES 'yes' |
| T_ON 'on' |
| T_ENABLED 'enabled' |
| T_FALSE 'false' |
| T_NO 'no' |
| T_OFF 'off' |
| T_DISABLED 'disabled' |
| T_EVAL 'ev' |
| T_SHELL 'sh' |
| T_IF 'if' |
| T_RUN 'run' |
| T_RUN_SHORT "r" |
| WS [ \r\t]+ |
| DIGITS [-]?[0-9\.]+ |
| ID [^ \r\n\t:#\000]+ |
| GENERIC_ID ([^ \r\n\t:#\000"']|":\\")+|["]([^\n\000"\\]|"\\\\"|"\\"["])+["]|[']([^\n\000'\\]|"\\\\"|"\\"['])+['] |
| ADDR [0][x][a-fA-F0-9]+ |
| OPCODE (ZEND_|zend_)([A-Z_a-z])+ |
| INPUT ("\\"[#"']|["]("\\\\"|"\\"["]|[^\n\000"])*["]|[']("\\"[']|"\\\\"|[^\n\000'])*[']|[^\n\000#"'])+ |
|
|
| <!*> := yyleng = (size_t) YYCURSOR - (size_t) yytext; |
|
|
| <*>[\n\000] { |
| return 0; |
| } |
|
|
| <PRE_RAW, NORMAL>"-r"{WS}?{DIGITS} { |
| char *text = yytext + 2; |
| while (*++text < '0'); |
| yylval->num = atoi(text); |
| return T_REQ_ID; |
| } |
|
|
| <NORMAL>{T_IF}{WS} { |
| YYSETCONDITION(RAW); |
| phpdbg_init_param(yylval, EMPTY_PARAM); |
| return T_IF; |
| } |
|
|
| <NORMAL>"#"/{DIGITS} { |
| return T_POUND; |
| } |
|
|
| <*>"#" { |
| YYSETCONDITION(INITIAL); |
| return T_SEPARATOR; |
| } |
|
|
| <NORMAL>"::" { |
| return T_DCOLON; |
| } |
|
|
| <NORMAL>":"/[^\\] { |
| return T_COLON; |
| } |
|
|
| <NORMAL>{ID}"://" { |
| phpdbg_init_param(yylval, STR_PARAM); |
| yylval->str = estrndup(yytext, yyleng); |
| yylval->len = yyleng; |
| return T_PROTO; |
| } |
|
|
| <NORMAL>({T_YES}|{T_ON}|{T_ENABLED}|{T_TRUE})/[ \r\t\n\000] { |
| phpdbg_init_param(yylval, NUMERIC_PARAM); |
| yylval->num = 1; |
| return T_TRUTHY; |
| } |
|
|
| <NORMAL>({T_NO}|{T_OFF}|{T_DISABLED}|{T_FALSE})/[ \r\t\n\000] { |
| phpdbg_init_param(yylval, NUMERIC_PARAM); |
| yylval->num = 0; |
| return T_FALSY; |
| } |
|
|
| <NORMAL>{DIGITS} { |
| phpdbg_init_param(yylval, NUMERIC_PARAM); |
| yylval->num = atoi(yytext); |
| return T_DIGITS; |
| } |
|
|
| <NORMAL>{ADDR} { |
| phpdbg_init_param(yylval, ADDR_PARAM); |
| yylval->addr = strtoul(yytext, 0, 16); |
| return T_ADDR; |
| } |
|
|
| <NORMAL>{OPCODE} { |
| phpdbg_init_param(yylval, OP_PARAM); |
| yylval->str = estrndup(yytext, yyleng); |
| yylval->len = yyleng; |
| return T_OPCODE; |
| } |
|
|
| <NORMAL>{GENERIC_ID} { |
| phpdbg_init_param(yylval, STR_PARAM); |
| size_t len = yyleng - unescape_string(yytext); |
| yylval->str = estrndup(yytext, len); |
| yylval->len = len; |
| return T_ID; |
| } |
|
|
| <RAW>{INPUT} { |
| phpdbg_init_param(yylval, STR_PARAM); |
| yylval->str = estrdup(yytext); |
| yylval->len = yyleng; |
| return T_INPUT; |
| } |
|
|
| <*>{WS} { |
| |
|
|
| goto restart; |
| } |
|
|
| <INITIAL>{T_EVAL}{WS} { |
| YYSETCONDITION(PRE_RAW); |
| phpdbg_init_param(yylval, EMPTY_PARAM); |
| return T_EVAL; |
| } |
|
|
| <INITIAL>{T_SHELL}{WS} { |
| YYSETCONDITION(PRE_RAW); |
| phpdbg_init_param(yylval, EMPTY_PARAM); |
| return T_SHELL; |
| } |
|
|
| <INITIAL>({T_RUN}|{T_RUN_SHORT}){WS} { |
| YYSETCONDITION(PRE_RAW); |
| phpdbg_init_param(yylval, EMPTY_PARAM); |
| return T_RUN; |
| } |
|
|
| <PRE_RAW>[^ ] { |
| YYSETCONDITION(RAW); |
|
|
| YYCURSOR = LEX(text); |
| goto restart; |
| } |
|
|
| <INITIAL>[^ ] { |
| YYSETCONDITION(NORMAL); |
|
|
| YYCURSOR = LEX(text); |
| goto restart; |
| } |
|
|
| */ |
| } |
|
|
