SoW-2019-0002: Dynamic Snapshot

[lttng-tools.git] / src / lib / lttng-ctl / filter / filter-lexer.l

diff --git a/src/lib/lttng-ctl/filter/filter-lexer.l b/src/lib/lttng-ctl/filter/filter-lexer.l
deleted file mode 100644 (file)
index 4ef4519..0000000
--- a/src/lib/lttng-ctl/filter/filter-lexer.l
+++ /dev/null
@@ -1,132 +0,0 @@
-%{
-/*
- * filter-lexer.l
- *
- * LTTng filter lexer
- *
- * Copyright 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- */
-
-#include <stdio.h>
-#include "filter-ast.h"
-#include "filter-parser.h"
-
-extern
-void setstring(struct filter_parser_ctx *parser_ctx, YYSTYPE *lvalp, const char *src);
-
-static void yyunput (int c, register char * yy_bp , yyscan_t yyscanner)
-       __attribute__((unused));
-static int input (yyscan_t yyscanner) __attribute__((unused));
-
-%}
-
-%x comment_ml comment_sl string_lit char_const
-%option reentrant yylineno noyywrap bison-bridge
-%option extra-type="struct filter_parser_ctx *"
-       /* bison-locations */
-
-D                              [0-9]
-L                              [a-zA-Z_]
-H                              [a-fA-F0-9]
-E                              ([Ee][+-]?{D}+)
-P                              ([Pp][+-]?{D}+)
-FS                             (f|F|l|L)
-IS                             ((u|U)|(u|U)?(l|L|ll|LL)|(l|L|ll|LL)(u|U))
-
-INTEGER_SUFFIX                 [ \n\t]*(U|UL|ULL|LU|LLU|Ul|Ull|lU|llU|u|uL|uLL|Lu|LLu|ul|ull|lu|llu)
-DIGIT                          [0-9]
-NONDIGIT                       [a-zA-Z_]
-HEXDIGIT                       [0-9A-Fa-f]
-OCTALDIGIT                     [0-7]
-UCHARLOWERCASE                 \\u{HEXDIGIT}{4}
-UCHARUPPERCASE                 \\U{HEXDIGIT}{8}
-ID_EXTRA_CHAR                  (":")
-ID_NONDIGIT                    {NONDIGIT}|{UCHARLOWERCASE}|{UCHARUPPERCASE}|{ID_EXTRA_CHAR}
-IDENTIFIER                     {ID_NONDIGIT}({ID_NONDIGIT}|{DIGIT})*
-ESCSEQ                         \\(\'|\"|\?|\\|a|b|f|n|r|t|v|{OCTALDIGIT}{1,3}|u{HEXDIGIT}{4}|U{HEXDIGIT}{8}|x{HEXDIGIT}+)
-%%
-
-                               /*
-                                * Using start conditions to deal with comments
-                                * and strings.
-                                */ 
-
-"/*"                           BEGIN(comment_ml);
-<comment_ml>[^*\n]*            /* eat anything that's not a '*' */
-<comment_ml>"*"+[^*/\n]*       /* eat up '*'s not followed by '/'s */
-<comment_ml>\n                 ++yylineno;
-<comment_ml>"*"+"/"            BEGIN(INITIAL);
-
-"//"                           BEGIN(comment_sl);
-<comment_sl>[^\n]*\n           ++yylineno; BEGIN(INITIAL);
-
-L\'                            BEGIN(char_const); return CHARACTER_CONSTANT_START;
-\'                             BEGIN(char_const); return CHARACTER_CONSTANT_START;
-<char_const>\'                 BEGIN(INITIAL); return SQUOTE;
-
-L\"                            BEGIN(string_lit); return STRING_LITERAL_START;
-\"                             BEGIN(string_lit); return STRING_LITERAL_START;
-<string_lit>\"                 BEGIN(INITIAL); return DQUOTE;
-
-<char_const,string_lit>ESCSEQ  return ESCSEQ;
-<char_const,string_lit>\n      ; /* ignore */
-<char_const,string_lit>.       setstring(yyextra, yylval, yytext); return CHAR_STRING_TOKEN;
-
-
-0[xX]{H}+{IS}?                 setstring(yyextra, yylval, yytext); return HEXADECIMAL_CONSTANT;
-0[0-7]*{IS}?                   setstring(yyextra, yylval, yytext); return OCTAL_CONSTANT;
-[1-9]{D}*{IS}?                 setstring(yyextra, yylval, yytext); return DECIMAL_CONSTANT;
-
-{D}+{E}{FS}?                   setstring(yyextra, yylval, yytext); return FLOAT_CONSTANT;
-{D}*"."{D}+{E}?{FS}?           setstring(yyextra, yylval, yytext); return FLOAT_CONSTANT;
-{D}+"."{D}*{E}?{FS}?           setstring(yyextra, yylval, yytext); return FLOAT_CONSTANT;
-0[xX]{H}+{P}{FS}?              setstring(yyextra, yylval, yytext); return FLOAT_CONSTANT;
-0[xX]{H}*"."{H}+{P}?{FS}?      setstring(yyextra, yylval, yytext); return FLOAT_CONSTANT;
-0[xX]{H}+"."{H}*{P}?{FS}?      setstring(yyextra, yylval, yytext); return FLOAT_CONSTANT;
-
-"["                            return LSBRAC;
-"]"                            return RSBRAC;
-"("                            return LPAREN;
-")"                            return RPAREN;
-"{"                            return LBRAC;
-"}"                            return RBRAC;
-"->"                           return RARROW;
-
-"*"                            return STAR;
-"+"                            return PLUS;
-"-"                            return MINUS;
-
-"%"                            return MOD_OP;
-"/"                            return DIV_OP;
-">>"                           return RIGHT_OP;
-"<<"                           return LEFT_OP;
-
-"=="                           return EQ_OP;
-"!="                           return NE_OP;
-"<="                           return LE_OP;
-">="                           return GE_OP;
-"<"                            return LT_OP;
-">"                            return GT_OP;
-"&&"                           return AND_OP;
-"||"                           return OR_OP;
-"!"                            return NOT_OP;
-
-":="                           return ASSIGN;
-":"                            return COLON;
-";"                            return SEMICOLON;
-"..."                          return DOTDOTDOT;
-"."                            return DOT;
-"="                            return EQUAL;
-","                            return COMMA;
-"^"                            return XOR_BIN;
-"&"                            return AND_BIN;
-"|"                            return OR_BIN;
-"~"                            return NOT_BIN;
-"$"{IDENTIFIER}                        printf_debug("<GLOBAL_IDENTIFIER %s>\n", yytext); setstring(yyextra, yylval, yytext); return GLOBAL_IDENTIFIER;
-{IDENTIFIER}                   printf_debug("<IDENTIFIER %s>\n", yytext); setstring(yyextra, yylval, yytext); return IDENTIFIER;
-[ \t\n]+                       ; /* ignore */
-.                              return ERROR;
-%%