-%{
-/*
- * ctf-lexer.l
- *
- * Common Trace Formal Lexer
- *
- * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <stdio.h>
-#include <ctype.h>
-#include <babeltrace/babeltrace-internal.h>
-#include "ctf-scanner.h"
-#include "ctf-parser.h"
-#include "ctf-ast.h"
-
-#define PARSE_INTEGER_LITERAL(base) \
- do { \
- errno = 0; \
- yylval->ull = strtoull(yytext, NULL, base); \
- if (errno) { \
- printfl_perror(yylineno, "Integer literal"); \
- return ERROR; \
- } \
- } while (0)
-
-BT_HIDDEN
-void setstring(struct ctf_scanner *scanner, 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));
-
-BT_HIDDEN
-int import_string(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src, char delim);
-
-%}
-
-%x comment_ml comment_sl string_lit char_const
-%option reentrant yylineno noyywrap bison-bridge
-%option extra-type="struct ctf_scanner *"
- /* bison-locations */
-INTEGER_SUFFIX (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_NONDIGIT {NONDIGIT}|{UCHARLOWERCASE}|{UCHARUPPERCASE}
-IDENTIFIER {ID_NONDIGIT}({ID_NONDIGIT}|{DIGIT})*
-%%
-
- /*
- * 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
-<comment_ml>"*"+"/" BEGIN(INITIAL);
-
-"//"[^\n]*\n /* skip comment */
-
-L?\"(\\.|[^\\"])*\" { if (import_string(yyextra, yylval, yytext, '\"') < 0) return ERROR; else return STRING_LITERAL; }
-L?\'(\\.|[^\\'])*\' { if (import_string(yyextra, yylval, yytext, '\'') < 0) return ERROR; else return CHARACTER_LITERAL; }
-
-"[" return LSBRAC;
-"]" return RSBRAC;
-"(" return LPAREN;
-")" return RPAREN;
-"{" return LBRAC;
-"}" return RBRAC;
-"->" return RARROW;
-"*" return STAR;
-"+" return PLUS;
-"-" return MINUS;
-"<" return LT;
-">" return GT;
-:= return TYPEASSIGN;
-: return COLON;
-; return SEMICOLON;
-"..." return DOTDOTDOT;
-"." return DOT;
-= return EQUAL;
-"," return COMMA;
-align setstring(yyextra, yylval, yytext); return TOK_ALIGN;
-const setstring(yyextra, yylval, yytext); return CONST;
-char setstring(yyextra, yylval, yytext); return CHAR;
-clock setstring(yyextra, yylval, yytext); return CLOCK;
-double setstring(yyextra, yylval, yytext); return DOUBLE;
-enum setstring(yyextra, yylval, yytext); return ENUM;
-env setstring(yyextra, yylval, yytext); return ENV;
-event setstring(yyextra, yylval, yytext); return EVENT;
-floating_point setstring(yyextra, yylval, yytext); return FLOATING_POINT;
-float setstring(yyextra, yylval, yytext); return FLOAT;
-integer setstring(yyextra, yylval, yytext); return INTEGER;
-int setstring(yyextra, yylval, yytext); return INT;
-long setstring(yyextra, yylval, yytext); return LONG;
-short setstring(yyextra, yylval, yytext); return SHORT;
-signed setstring(yyextra, yylval, yytext); return SIGNED;
-stream setstring(yyextra, yylval, yytext); return STREAM;
-string setstring(yyextra, yylval, yytext); return STRING;
-struct setstring(yyextra, yylval, yytext); return STRUCT;
-trace setstring(yyextra, yylval, yytext); return TRACE;
-callsite setstring(yyextra, yylval, yytext); return CALLSITE;
-typealias setstring(yyextra, yylval, yytext); return TYPEALIAS;
-typedef setstring(yyextra, yylval, yytext); return TYPEDEF;
-unsigned setstring(yyextra, yylval, yytext); return UNSIGNED;
-variant setstring(yyextra, yylval, yytext); return VARIANT;
-void setstring(yyextra, yylval, yytext); return VOID;
-_Bool setstring(yyextra, yylval, yytext); return _BOOL;
-_Complex setstring(yyextra, yylval, yytext); return _COMPLEX;
-_Imaginary setstring(yyextra, yylval, yytext); return _IMAGINARY;
-[1-9]{DIGIT}*{INTEGER_SUFFIX}? PARSE_INTEGER_LITERAL(10); return INTEGER_LITERAL;
-0{OCTALDIGIT}*{INTEGER_SUFFIX}? PARSE_INTEGER_LITERAL(8); return INTEGER_LITERAL;
-0[xX]{HEXDIGIT}+{INTEGER_SUFFIX}? PARSE_INTEGER_LITERAL(16); return INTEGER_LITERAL;
-
-{IDENTIFIER} printf_debug("<IDENTIFIER %s>\n", yytext); setstring(yyextra, yylval, yytext); if (is_type(yyextra, yytext)) return ID_TYPE; else return IDENTIFIER;
-[ \t\r\n] ; /* ignore */
-. printfl_error(yylineno, "invalid character '0x%02X'", yytext[0]); return ERROR;
-%%
projects / babeltrace.git / blobdiff