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Diffstat (limited to 'sapi/phpdbg/phpdbg_lexer.l')
-rw-r--r--sapi/phpdbg/phpdbg_lexer.l169
1 files changed, 169 insertions, 0 deletions
diff --git a/sapi/phpdbg/phpdbg_lexer.l b/sapi/phpdbg/phpdbg_lexer.l
new file mode 100644
index 0000000000..7b3ce38c47
--- /dev/null
+++ b/sapi/phpdbg/phpdbg_lexer.l
@@ -0,0 +1,169 @@
+/*
+ * phpdbg_lexer.l
+ */
+
+#include "phpdbg.h"
+#include "phpdbg_cmd.h"
+
+#include "phpdbg_parser.h"
+
+#define LEX(v) (PHPDBG_G(lexer).v)
+
+#define YYCTYPE unsigned char
+#define YYSETCONDITION(x) LEX(state) = x;
+#define YYGETCONDITION() LEX(state)
+#define YYCURSOR LEX(cursor)
+#define YYMARKER LEX(marker)
+#define yyleng LEX(len)
+#define yytext ((char*) LEX(text))
+#undef YYDEBUG
+#define YYDEBUG(a, b)
+#define YYFILL(n)
+
+#define NORMAL 0
+#define RAW 1
+#define INITIAL 2
+
+ZEND_EXTERN_MODULE_GLOBALS(phpdbg);
+
+void phpdbg_init_lexer (phpdbg_param_t *stack, char *input TSRMLS_DC) {
+ PHPDBG_G(parser_stack) = stack;
+
+ YYSETCONDITION(INITIAL);
+
+ LEX(text) = YYCURSOR = (unsigned char *) input;
+ LEX(len) = strlen(input);
+}
+
+int phpdbg_lex (phpdbg_param_t* yylval) {
+ TSRMLS_FETCH(); /* Slow, but this is not a major problem here. TODO: Use TSRMLS_DC */
+
+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\n\t]+
+DIGITS [-]?[0-9\.]+
+ID [^ \r\n\t:#\000]+
+ADDR [0][x][a-fA-F0-9]+
+OPCODE (ZEND_|zend_)([A-Za-z])+
+INPUT [^\n\000]+
+
+<!*> := yyleng = (size_t) YYCURSOR - (size_t) yytext;
+
+<*>[\n\000] {
+ return 0;
+}
+
+<NORMAL>{T_IF}{WS} {
+ YYSETCONDITION(RAW);
+ phpdbg_init_param(yylval, EMPTY_PARAM);
+ return T_IF;
+}
+
+<NORMAL>{ID}[:]{1}[//]{2} {
+ phpdbg_init_param(yylval, STR_PARAM);
+ yylval->str = zend_strndup(yytext, yyleng);
+ yylval->len = yyleng;
+ return T_PROTO;
+}
+<NORMAL>[#]{1} {
+ return T_POUND;
+}
+<NORMAL>[:]{2} {
+ return T_DCOLON;
+}
+<NORMAL>[:]{1} {
+ return T_COLON;
+}
+
+<NORMAL>({T_YES}|{T_ON}|{T_ENABLED}|{T_TRUE}){WS} {
+ phpdbg_init_param(yylval, NUMERIC_PARAM);
+ yylval->num = 1;
+ return T_TRUTHY;
+}
+
+<NORMAL>({T_NO}|{T_OFF}|{T_DISABLED}|{T_FALSE}){WS} {
+ 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 = zend_strndup(yytext, yyleng);
+ yylval->len = yyleng;
+ return T_OPCODE;
+}
+
+<NORMAL>{ID} {
+ phpdbg_init_param(yylval, STR_PARAM);
+ yylval->str = zend_strndup(yytext, yyleng);
+ yylval->len = yyleng;
+ return T_ID;
+}
+
+<RAW>{INPUT} {
+ phpdbg_init_param(yylval, STR_PARAM);
+ yylval->str = zend_strndup(yytext, yyleng);
+ yylval->len = yyleng;
+ return T_INPUT;
+}
+
+<*>{WS} {
+ /* ignore whitespace */
+
+ goto restart;
+}
+
+<INITIAL>{T_EVAL}{WS} {
+ YYSETCONDITION(RAW);
+ phpdbg_init_param(yylval, EMPTY_PARAM);
+ return T_EVAL;
+}
+<INITIAL>{T_SHELL}{WS} {
+ YYSETCONDITION(RAW);
+ phpdbg_init_param(yylval, EMPTY_PARAM);
+ return T_SHELL;
+}
+<INITIAL>({T_RUN}|{T_RUN_SHORT}){WS} {
+ YYSETCONDITION(RAW);
+ phpdbg_init_param(yylval, EMPTY_PARAM);
+ return T_RUN;
+}
+
+<INITIAL>. {
+ YYSETCONDITION(NORMAL);
+
+ YYCURSOR = LEX(text);
+ goto restart;
+}
+
+*/
+}