diff options
Diffstat (limited to 'TAO/orbsvcs/orbsvcs/ETCL/ETCL.ll')
| -rw-r--r-- | TAO/orbsvcs/orbsvcs/ETCL/ETCL.ll | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/TAO/orbsvcs/orbsvcs/ETCL/ETCL.ll b/TAO/orbsvcs/orbsvcs/ETCL/ETCL.ll new file mode 100644 index 00000000000..c27536a8d12 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/ETCL/ETCL.ll @@ -0,0 +1,150 @@ +%option noyywrap + +%{ +// ETCL.ll,v 1.1.2.1 2000/02/27 23:12:27 coryan Exp +// ======================================================================== +// +// = LIBRARY +// orbsvcs/ECTL +// +// = FILENAME +// ETCL.ll +// +// = AUTHOR +// Carlos O'Ryan <coryan@uci.edu> based on previous work by +// Seth Widoff <sbw1@cs.wustl.edu> +// +// ======================================================================== + +#include "ace/OS.h" + +#include "ETCL_Constraint.h" +#include "ETCL_y.h" + +static const char * extract_string(char*); + +#define TAO_YY_LEX_DEBUG + +#ifdef TAO_CONSTRAINT_DEBUG +#define TAO_YY_LEX_DEBUG TAO_OS::fprintf(stderr, "%s\n", yytext) +#endif /* TAO_CONSTRAINT_DEBUG */ + +#define YY_DECL int TAO_ETCL_yylex (TAO_ETCL_YYSTYPE *lvalp, void* state) + +#define YY_BREAK +#define YY_NO_UNPUT + +%} + +white_space [ \t] +letter [a-zA-Z] +digit [0-9] +alpha_num ({letter}|{digit}) +integer {digit}+ +float ({digit}*\.{digit}+)([eE][-+]?{digit}+)? +string '(([^'\\]*)|([^'\\]*\\')|([^'\\]*\\\\))*' +base {letter}({alpha_num}|[_])* +ident {base}|\\{base} +newline \n + +%% + +min { TAO_YY_LEX_DEBUG; return TAO_ETCL_MIN; } +max { TAO_YY_LEX_DEBUG; return TAO_ETCL_MAX; } +first { TAO_YY_LEX_DEBUG; return TAO_ETCL_FIRST; } +random { TAO_YY_LEX_DEBUG; return TAO_ETCL_RANDOM; } +with { TAO_YY_LEX_DEBUG; return TAO_ETCL_WITH; } +exist { TAO_YY_LEX_DEBUG; return TAO_ETCL_EXIST; } +not { TAO_YY_LEX_DEBUG; return TAO_ETCL_NOT; } +and { TAO_YY_LEX_DEBUG; return TAO_ETCL_AND; } +or { TAO_YY_LEX_DEBUG; return TAO_ETCL_OR; } +in { TAO_YY_LEX_DEBUG; return TAO_ETCL_IN; } +"~" { TAO_YY_LEX_DEBUG; return TAO_ETCL_TWIDDLE; } +"+" { TAO_YY_LEX_DEBUG; return TAO_ETCL_PLUS; } +"-" { TAO_YY_LEX_DEBUG; return TAO_ETCL_MINUS; } +"*" { TAO_YY_LEX_DEBUG; return TAO_ETCL_MULT; } +"/" { TAO_YY_LEX_DEBUG; return TAO_ETCL_DIV; } +"<" { TAO_YY_LEX_DEBUG; return TAO_ETCL_LT; } +"<=" { TAO_YY_LEX_DEBUG; return TAO_ETCL_LE; } +">" { TAO_YY_LEX_DEBUG; return TAO_ETCL_GT; } +">=" { TAO_YY_LEX_DEBUG; return TAO_ETCL_GE; } +"==" { TAO_YY_LEX_DEBUG; return TAO_ETCL_EQ; } +"!=" { TAO_YY_LEX_DEBUG; return TAO_ETCL_NE; } +"(" { TAO_YY_LEX_DEBUG; return TAO_ETCL_LPAREN; } +")" { TAO_YY_LEX_DEBUG; return TAO_ETCL_RPAREN; } +"$" { TAO_YY_LEX_DEBUG; return TAO_ETCL_DOLLAR; } +"." { TAO_YY_LEX_DEBUG; return TAO_ETCL_DOT; } +"default" { TAO_YY_LEX_DEBUG; return TAO_ETCL_DEFAULT; } +"_d" { TAO_YY_LEX_DEBUG; return TAO_ETCL_DISCRIMINANT; } +"_type_id" { TAO_YY_LEX_DEBUG; return TAO_ETCL_TYPE_ID; } +"_repos_id" { TAO_YY_LEX_DEBUG; return TAO_ETCL_REPOS_ID; } +"_length" { TAO_YY_LEX_DEBUG; return TAO_ETCL_LENGTH; } +"[" { TAO_YY_LEX_DEBUG; return TAO_ETCL_LBRA; } +"]" { TAO_YY_LEX_DEBUG; return TAO_ETCL_RBRA; } +TRUE { + lvalp->constraint = + new TAO_ETCL_Boolean_Literal (1); + TAO_YY_LEX_DEBUG; return TAO_ETCL_BOOLEAN; + } +FALSE { + lvalp->constraint = + new TAO_ETCL_Boolean_Literal (0); + TAO_YY_LEX_DEBUG; return TAO_ETCL_BOOLEAN; + } +{integer} { + lvalp->constraint = + new TAO_ETCL_Integer_Literal (ACE_OS::atoi (yytext)); + TAO_YY_LEX_DEBUG; return TAO_ETCL_INTEGER; + } +{float} { + double v; + sscanf (yytext, "%lf", &v); + lvalp->constraint = + new TAO_ETCL_Float_Literal (v); + TAO_YY_LEX_DEBUG; return TAO_ETCL_FLOAT; + } +{string} { + lvalp->constraint = + new TAO_ETCL_String_Literal (extract_string(yytext)); + TAO_YY_LEX_DEBUG; return TAO_ETCL_STRING; + } +{ident} { + lvalp->constraint = + new TAO_ETCL_Identifier (yytext); + TAO_YY_LEX_DEBUG; return TAO_ETCL_IDENT; + } +{white_space} { + TAO_YY_LEX_DEBUG; break; // Ignore + } +. { + TAO_YY_LEX_DEBUG; break; // @@ TODO + } +%% + +const char* +extract_string(char* str) +{ + char *t = str; + for (char * i = str + 1; *i != 0; ++i, ++t) + { + if (*i == '\\') + { + ++i; + if (*i == 0) + return 0; + else if (*i == 't') + *t = '\t'; + else if (*i == 'n') + *t = '\n'; + else if (*i == '\\') + *t = '\\'; + else + *t = *i; + continue; + } + *t = *i; + + } + + return str; +} |