*
* 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"
-extern
+#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 [ \n\t]*(U|UL|ULL|LU|LLU|Ul|Ull|lU|llU|u|uL|uLL|Lu|LLu|ul|ull|lu|llu)
+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]
UCHARUPPERCASE \\U{HEXDIGIT}{8}
ID_NONDIGIT {NONDIGIT}|{UCHARLOWERCASE}|{UCHARUPPERCASE}
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}+)
%%
/*
"/*" 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>\n
<comment_ml>"*"+"/" BEGIN(INITIAL);
-"//" BEGIN(comment_sl);
-<comment_sl>[^\n]*\n ++yylineno; BEGIN(INITIAL);
+"//"[^\n]*\n /* skip comment */
-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;
+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;
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;
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;
_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}? setstring(yyextra, yylval, yytext); return DECIMAL_CONSTANT;
-0{OCTALDIGIT}*{INTEGER_SUFFIX}? setstring(yyextra, yylval, yytext); return OCTAL_CONSTANT;
-0[xX]{HEXDIGIT}+{INTEGER_SUFFIX}? setstring(yyextra, yylval, yytext); return HEXADECIMAL_CONSTANT;
+[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\n]+ ; /* ignore */
-. return ERROR;
+[ \t\r\n] ; /* ignore */
+. printfl_error(yylineno, "invalid character '0x%02X'", yytext[0]); return ERROR;
%%