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|
%top {
#include "grammar.h"
}
%{
//#include "manual.h"
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#define read_block(tmp) \
({ \
unsigned int __depth; \
bool __is_string; \
char *__iter; \
\
__depth = 1; \
__is_string = false; \
\
for (__iter = temp; __depth > 0; __iter += (__depth > 0 ? 1 : 0)) \
{ \
*__iter = input(); \
\
switch (*__iter) \
{ \
case '"': \
__is_string = !__is_string; \
break; \
\
case '{': \
if (!__is_string) __depth++; \
break; \
\
case '}': \
if (!__is_string) \
{ \
__depth--; \
if (__depth == 0) unput('}'); \
} \
break; \
\
} \
\
} \
\
*__iter = '\0'; \
\
})
#define PUSH_STATE(s) yy_push_state(s, yyscanner)
#define POP_STATE yy_pop_state(yyscanner)
#define EXTEND_BUFFER_IF_NEEDED(extra) \
if ((*used + extra) > *allocated) \
{ \
*allocated *= 2; \
*buf = realloc(*buf, *allocated); \
}
%}
%option bison-bridge reentrant
%option stack
%option nounput
%option noinput
%option noyywrap
%option noyy_top_state
%option yylineno
%option never-interactive
%x rule_intro
%x raw_block
%x strings
%x strval
%x strval_raw
%x strval_hex
%x condition
%x strlit
%x wait_for_colon
%x comment
%%
"rule" { PUSH_STATE(rule_intro); return RAW_RULE; }
<rule_intro>[A-Za-z0-9_]+ { yylval->cstring = yytext; return RULE_NAME; }
<rule_intro>[ \t]* { }
<rule_intro>"{" { POP_STATE; PUSH_STATE(raw_block); return BRACE_IN; }
<raw_block>"strings" { PUSH_STATE(strings); PUSH_STATE(wait_for_colon); return STRINGS; }
<raw_block,strings>"condition" { PUSH_STATE(condition); PUSH_STATE(wait_for_colon); return CONDITION; }
<condition>"true" { return TRUE_; }
<condition>"false" { return FALSE_; }
<condition>(0|[1-9][0-9]*) { yylval->integer = strtoull(yytext, NULL, 10); return INTEGER; }
<condition>0x[0-9a-f]+ { yylval->integer = strtoull(yytext, NULL, 16); return INTEGER; }
<condition>[kK][bB] { return KB; }
<condition>[mM][bB] { return MB; }
<condition>[gG][bB] { return GB; }
<condition>"\"" {
*used = 0;
PUSH_STATE(strlit);
}
<strlit>"\"" {
POP_STATE;
EXTEND_BUFFER_IF_NEEDED(1);
(*buf)[(*used)++] = '\0';
yylval->cstring = *buf;
return STRING;
}
<strlit>"\\\"" { EXTEND_BUFFER_IF_NEEDED(1); (*buf)[(*used)++] = '"'; }
<strlit>"\\t" { EXTEND_BUFFER_IF_NEEDED(1); (*buf)[(*used)++] = '\t'; }
<strlit>"\\r" { EXTEND_BUFFER_IF_NEEDED(1); (*buf)[(*used)++] = '\r'; }
<strlit>"\\n" { EXTEND_BUFFER_IF_NEEDED(1); (*buf)[(*used)++] = '\n'; }
<strlit>"\\\\" { EXTEND_BUFFER_IF_NEEDED(1); (*buf)[(*used)++] = '\\'; }
<strlit>\\x[0-9a-fA-F]{2} {
char __ch;
__ch = strtol(yytext + 2, NULL, 16);
EXTEND_BUFFER_IF_NEEDED(1);
(*buf)[(*used)++] = __ch;
}
<strlit>[^\\\"]+ {
size_t __len;
__len = strlen(yytext);
EXTEND_BUFFER_IF_NEEDED(__len);
strcpy(&(*buf)[*used], yytext);
*used += __len;
}
<condition>"and" { return AND; }
<condition>"or" { return OR; }
<condition>"not" { return NOT; }
<condition>"<" { return LT; }
<condition>"<=" { return LE; }
<condition>"==" { return EQ; }
<condition>"!=" { return NE; }
<condition>">" { return GT; }
<condition>">=" { return GE; }
<condition>"contains" { return CONTAINS; }
<condition>"startswith" { return STARTSWITH; }
<condition>"endswith" { return ENDSWITH; }
<condition>"matches" { return MATCHES; }
<condition>"icontains" { return ICONTAINS; }
<condition>"istartswith" { return ISTARTSWITH; }
<condition>"iendswith" { return IENDSWITH; }
<condition>"iequals" { return IEQUALS; }
<condition>"+" { return PLUS; }
<condition>"-" { return MINUS; }
<condition>"*" { return MUL; }
<condition>"\\" { return DIV; }
<condition>"%" { return MOD; }
<condition>"(" { return PAREN_O; }
<condition>")" { return PAREN_C; }
<condition>"," { return COMMA; }
<condition>"." { return DOT; }
<condition>"none" { return NONE; }
<condition>"any" { return ANY; }
<condition>"all" { return ALL; }
<condition>"of" { return OF; }
<condition>"them" { return THEM; }
<strings,condition>$[A-Za-z0-9_]* {
yylval->sized_cstring.cstring = yytext + 1;
yylval->sized_cstring.len = yyleng - 1;
return IDENTIFIER;
}
<condition>[A-Za-z_][A-Za-z0-9_]* {
yylval->sized_cstring.cstring = yytext;
yylval->sized_cstring.len = yyleng;
return NAME;
}
<strings>"=" { PUSH_STATE(strval); return ASSIGN; }
<strval>\"[^\"\\]+\" {
POP_STATE;
yylval->sized_cstring.cstring = yytext + 1;
yylval->sized_cstring.len = yyleng - 2;
return PLAIN_STRING;
}
<strval>"\"" {
POP_STATE;
// *built_pattern = g_bytes_pattern_new();
PUSH_STATE(strval_raw);
}
<strval>"{" {
POP_STATE;
// *built_pattern = g_bytes_pattern_new();
PUSH_STATE(strval_hex);
}
<strval_raw>"\"" { POP_STATE; /*yylval->pattern = *built_pattern*/; return MASKED_STRING; }
<strval_raw>"\\\"" { }//g_bytes_pattern_append_data(*built_pattern, '"', 0xff); }
<strval_raw>"\\t" { }//g_bytes_pattern_append_data(*built_pattern, '\t', 0xff); }
<strval_raw>"\\r" { }//g_bytes_pattern_append_data(*built_pattern, '\r', 0xff); }
<strval_raw>"\\n" { }//g_bytes_pattern_append_data(*built_pattern, '\n', 0xff); }
<strval_raw>"\\\\" { }//g_bytes_pattern_append_data(*built_pattern, '\\', 0xff); }
<strval_raw>\\x[0-9a-fA-F]{2} {
uint8_t __ch;
__ch = strtol(yytext + 2, NULL, 16);
//g_bytes_pattern_append_data(*built_pattern, __ch, 0xff);
}
<strval_raw>. { }//g_bytes_pattern_append_data(*built_pattern, *yytext, 0xff); }
<strval_hex>"}" { POP_STATE; /*yylval->pattern = *built_pattern;*/ return MASKED_STRING; }
<strval_hex>[0-9a-fA-F]{2} {
uint8_t __ch;
__ch = strtol(yytext, NULL, 16);
//g_bytes_pattern_append_data(*built_pattern, __ch, 0xff);
}
<strval_hex>"??" { /*g_bytes_pattern_insert_space(*built_pattern, 1, 1);*/ }
<wait_for_colon>":" { POP_STATE; return COLON; }
<raw_block,strings,condition>"}" { POP_STATE; return BRACE_OUT; }
%{ /* Commentaires */ %}
<*>"/*" { PUSH_STATE(comment); }
<comment>"*/" { POP_STATE; }
<comment>(.|\n) { }
<*>"//"[^\n]* { }
%{ /* Actions par défaut */ %}
<*>[ \t\n]+ { }
<*>. {
char *msg;
int ret;
ret = asprintf(&msg, "Unhandled token in rule definition: '%s'", yytext);
if (ret == -1)
YY_FATAL_ERROR("Unhandled token in undisclosed rule definition");
else
{
YY_FATAL_ERROR(msg);
free(msg);
}
}
%%
|
