diff options
Diffstat (limited to 'src/uscxml/plugins/datamodel/c89/parser/c89.l')
| -rw-r--r-- | src/uscxml/plugins/datamodel/c89/parser/c89.l | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/uscxml/plugins/datamodel/c89/parser/c89.l b/src/uscxml/plugins/datamodel/c89/parser/c89.l new file mode 100644 index 0000000..8681565 --- /dev/null +++ b/src/uscxml/plugins/datamodel/c89/parser/c89.l @@ -0,0 +1,158 @@ +/* see: http://www.phpcompiler.org/articles/reentrantparser.html */ +/* see: http://spinroot.com/spin/Man/operators.html */ + +%option yylineno +%option reentrant +%option bison-bridge +%option prefix="c89_" +%option outfile="c89.lex.yy.cpp" +%option noyywrap +/*%option debug*/ +%option never-interactive nounistd +%option bison-locations + +%{ + +#include "../C89Parser.h" +#include "c89.tab.hpp" +#define YYSTYPE C89_STYPE +#define YYLTYPE C89_LTYPE +#define YY_USER_INIT \ + yycolumn = yylloc->first_line = yylloc->first_column = 0; \ + yylineno = yylloc->last_line = yylloc->last_column = 0; \ + +//int yycolumn = 1; + +#define YY_USER_ACTION \ +{ \ + yylloc->first_line = yylineno; \ + yylloc->first_column = yycolumn; \ + yylloc->last_column = yycolumn + yyleng; \ + yylloc->last_line = yylineno; \ + yycolumn = yycolumn + yyleng; \ +} + +%} + +D [0-9] +L [a-zA-Z_] +H [a-fA-F0-9] +E [Ee][+-]?{D}+ +FS (f|F|l|L) +IS (u|U|l|L)* + +%{ +#include <stdio.h> + +int check_type() +{ +/* if (yytext == uint) + return(TYPE_NAME); +*/ + return(IDENTIFIER); +} + +%} + +%% +\/\*([^*]|\*[^/])*\*+\/ /* multiline comments */ +"//".* /* singlelien comments */ +"#".* /* singlelien comments */ + +"auto" { return(AUTO); } +"break" { return(BREAK); } +"case" { return(CASE); } +"char" { return(CHAR); } +"const" { return(CONST); } +"continue" { return(CONTINUE); } +"default" { return(DEFAULT); } +"do" { return(DO); } +"double" { return(DOUBLE); } +"else" { return(ELSE); } +"enum" { return(ENUM); } +"extern" { return(EXTERN); } +"float" { return(FLOAT); } +"for" { return(FOR); } +"goto" { return(GOTO); } +"if" { return(IF); } +"int" { return(INT); } +"long" { return(LONG); } +"register" { return(REGISTER); } +"return" { return(RETURN); } +"short" { return(SHORT); } +"signed" { return(SIGNED); } +"sizeof" { return(SIZEOF); } +"static" { return(STATIC); } +"struct" { return(STRUCT); } +"switch" { return(SWITCH); } +"typedef" { return(TYPEDEF); } +"union" { return(UNION); } +"unsigned" { return(UNSIGNED); } +"void" { return(VOID); } +"volatile" { return(VOLATILE); } +"while" { return(WHILE); } + +{L}({L}|{D})* { yylval->value = strdup(yytext); return(IDENTIFIER); } + +0[xX]{H}+{IS}? { yylval->value = strdup(yytext); return(CONSTANT); } +0{D}+{IS}? { yylval->value = strdup(yytext); return(CONSTANT); } +{D}+{IS}? { yylval->value = strdup(yytext); return(CONSTANT); } +L?'(\\.|[^\\'])+' { yylval->value = strdup(yytext); return(CONSTANT); } + +{D}+{E}{FS}? { yylval->value = strdup(yytext); return(CONSTANT); } +{D}*"."{D}+({E})?{FS}? { yylval->value = strdup(yytext); return(CONSTANT); } +{D}+"."{D}*({E})?{FS}? { yylval->value = strdup(yytext); return(CONSTANT); } + +L?\"(\\.|[^\\"])*\" { yylval->value = strdup(yytext); return(STRING_LITERAL); } + +"..." { return(ELLIPSIS); } +">>=" { return(RIGHT_ASSIGN); } +"<<=" { return(LEFT_ASSIGN); } +"+=" { return(ADD_ASSIGN); } +"-=" { return(SUB_ASSIGN); } +"*=" { return(MUL_ASSIGN); } +"/=" { return(DIV_ASSIGN); } +"%=" { return(MOD_ASSIGN); } +"&=" { return(AND_ASSIGN); } +"^=" { return(XOR_ASSIGN); } +"|=" { return(OR_ASSIGN); } +">>" { return(RIGHT_OP); } +"<<" { return(LEFT_OP); } +"++" { return(INC_OP); } +"--" { return(DEC_OP); } +"->" { return(PTR_OP); } +"&&" { return(AND_OP); } +"||" { return(OR_OP); } +"<=" { return(LE_OP); } +">=" { return(GE_OP); } +"==" { return(EQ_OP); } +"!=" { return(NE_OP); } +";" { return(';'); } +("{"|"<%") { return('{'); } +("}"|"%>") { return('}'); } +"," { return(','); } +":" { return(':'); } +"=" { return('='); } +"(" { return('('); } +")" { return(')'); } +("["|"<:") { return('['); } +("]"|":>") { return(']'); } +"." { return('.'); } +"&" { return('&'); } +"!" { return('!'); } +"~" { return('~'); } +"-" { return('-'); } +"+" { return('+'); } +"*" { return('*'); } +"/" { return('/'); } +"%" { return('%'); } +"<" { return('<'); } +">" { return('>'); } +"^" { return('^'); } +"|" { return('|'); } +"?" { return('?'); } + +[ \t\v\n\f] { } +. { /* ignore bad characters */ } + +%% |