X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fctf%2Fmetadata%2Fctf-lexer.l;h=a282bf7a473d6a8bd04ab3feba5906e801a7a213;hp=21e5efa415bac5151c45f1cb46cf7b95dcd18527;hb=d876a5baf224612e7e44d3cfda2dc1d57ea91ea4;hpb=34d3acc4fc9f020b0e2616a29a339b5c546a05c1 diff --git a/formats/ctf/metadata/ctf-lexer.l b/formats/ctf/metadata/ctf-lexer.l index 21e5efa4..a282bf7a 100644 --- a/formats/ctf/metadata/ctf-lexer.l +++ b/formats/ctf/metadata/ctf-lexer.l @@ -1,13 +1,45 @@ %{ +/* + * ctf-lexer.l + * + * Common Trace Formal Lexer + * + * Copyright 2010 - Mathieu Desnoyers + * + * 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 +#include #include "ctf-scanner.h" #include "ctf-parser.h" #include "ctf-ast.h" -extern void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src); +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)); -#define printf_dbg(fmt, args...) fprintf(stderr, "%s: " fmt, __func__, args) -#define printf_dbg_noarg(fmt) fprintf(stderr, "%s: " fmt, __func__) +BT_HIDDEN +int import_string(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src, char delim); %} @@ -24,7 +56,6 @@ UCHARLOWERCASE \\u{HEXDIGIT}{4} 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}+) %% /* @@ -35,23 +66,14 @@ ESCSEQ \\(\'|\"|\?|\\|a|b|f|n|r|t|v|{OCTALDIGIT}{1,3}|u{HEXDIGIT}{4}|U{HEXDIG "/*" BEGIN(comment_ml); [^*\n]* /* eat anything that's not a '*' */ "*"+[^*/\n]* /* eat up '*'s not followed by '/'s */ -\n ++yylineno; +\n "*"+"/" BEGIN(INITIAL); "//" BEGIN(comment_sl); -[^\n]*\n ++yylineno; BEGIN(INITIAL); - -L\' BEGIN(char_const); return CHARACTER_CONSTANT_START; -\' BEGIN(char_const); return CHARACTER_CONSTANT_START; -\' BEGIN(INITIAL); return SQUOTE; - -L\" BEGIN(string_lit); return STRING_LITERAL_START; -\" BEGIN(string_lit); return STRING_LITERAL_START; -\" BEGIN(INITIAL); return DQUOTE; +[^\n]*\n BEGIN(INITIAL); -ESCSEQ return ESCSEQ; -\n ; /* ignore */ -. 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; @@ -72,34 +94,38 @@ L\" BEGIN(string_lit); return STRING_LITERAL_START; "." return DOT; = return EQUAL; "," return COMMA; -const return CONST; -char return CHAR; -double return DOUBLE; -enum return ENUM; -event return EVENT; -floating_point return FLOATING_POINT; -float return FLOAT; -integer return INTEGER; -int return INT; -long return LONG; -short return SHORT; -signed return SIGNED; -stream return STREAM; -string return STRING; -struct return STRUCT; -trace return TRACE; -typealias return TYPEALIAS; -typedef return TYPEDEF; -unsigned return UNSIGNED; -variant return VARIANT; -void return VOID; -_Bool return _BOOL; -_Complex return _COMPLEX; -_Imaginary return _IMAGINARY; -[1-9]{DIGIT}*{INTEGER_SUFFIX}? return DECIMAL_CONSTANT; -0{OCTALDIGIT}*{INTEGER_SUFFIX}? return OCTAL_CONSTANT; -0[xX]{HEXDIGIT}+{INTEGER_SUFFIX}? return HEXADECIMAL_CONSTANT; -{IDENTIFIER} printf_dbg("\n", yytext); setstring(yyextra, yylval, yytext); if (is_type(yyextra, yytext)) return ID_TYPE; else return IDENTIFIER; -[ \t\n]+ ; /* ignore */ -. return ERROR; +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}? 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; +{IDENTIFIER} printf_debug("\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; %%