Usermode/Libraries/libspiderscript.so_src/tokens.h

   1 /*
   2  */
   3 #ifndef _TOKENS_H_
   4 #define _TOKENS_H_
   5
   6 #include <setjmp.h>
   7
   8 // === TYPES ===
   9 typedef struct
  10 {
  11         // Lexer State
  12         char    *BufStart;
  13         char    *CurPos;
  14
  15          int    LastLine;
  16          int    LastToken, LastTokenLen;
  17         char    *LastTokenStr;
  18
  19          int    NextLine;
  20          int    NextToken, NextTokenLen;
  21         char    *NextTokenStr;
  22
  23          int    CurLine;
  24          int    Token, TokenLen;
  25         char    *TokenStr;
  26
  27         jmp_buf JmpTarget;
  28 }       tParser;
  29
  30 // === FUNCTIONS ===
  31  int    GetToken(tParser *File);
  32 void    PutBack(tParser *File);
  33  int    LookAhead(tParser *File);
  34
  35 // === CONSTANTS ===
  36 enum eTokens
  37 {
  38         TOK_INVAL,
  39         TOK_EOF,
  40
  41         // Primitives
  42         TOK_STR,
  43         TOK_INTEGER,
  44         TOK_REAL,
  45         TOK_VARIABLE,
  46         TOK_IDENT,
  47
  48         // Reserved Words
  49         // - Definitions
  50         TOK_RWD_FUNCTION,
  51         TOK_RWD_NAMESPACE,
  52         // - Control Flow
  53         TOK_RWD_NEW,
  54         TOK_RWD_RETURN,
  55         TOK_RWD_BREAK,
  56         TOK_RWD_CONTINUE,
  57         // - Blocks
  58         TOK_RWD_IF,
  59         TOK_RWD_ELSE,
  60         TOK_RWD_DO,
  61         TOK_RWD_WHILE,
  62         TOK_RWD_FOR,
  63         // - Types
  64         TOK_RWD_VOID,
  65         TOK_RWD_OBJECT,
  66         TOK_RWD_OPAQUE,
  67         TOK_RWD_STRING,
  68         TOK_RWD_INTEGER,
  69         TOK_RWD_REAL,
  70
  71         //
  72         TOK_ASSIGN,
  73         TOK_SEMICOLON,
  74         TOK_COMMA,
  75         TOK_SCOPE,
  76         TOK_ELEMENT,
  77
  78         // Comparisons
  79         TOK_EQUALS,
  80         TOK_LT, TOK_LTE,
  81         TOK_GT, TOK_GTE,
  82
  83         // Operations
  84         TOK_BWNOT,      TOK_LOGICNOT,
  85         TOK_DIV,        TOK_MUL,
  86         TOK_PLUS,       TOK_MINUS,
  87         TOK_SHL,        TOK_SHR,
  88         TOK_LOGICAND,   TOK_LOGICOR,    TOK_LOGICXOR,
  89         TOK_AND,        TOK_OR, TOK_XOR,
  90
  91         // Assignment Operations
  92         TOK_INCREMENT,          TOK_DECREMENT,
  93         TOK_ASSIGN_DIV,         TOK_ASSIGN_MUL,
  94         TOK_ASSIGN_PLUS,        TOK_ASSIGN_MINUS,
  95         TOK_ASSIGN_SHL,         TOK_ASSIGN_SHR,
  96         TOK_ASSIGN_LOGICAND,    TOK_ASSIGN_LOGICOR,     TOK_ASSIGN_LOGXICOR,
  97         TOK_ASSIGN_AND,         TOK_ASSIGN_OR,  TOK_ASSIGN_XOR,
  98
  99         TOK_PAREN_OPEN,         TOK_PAREN_CLOSE,
 100         TOK_BRACE_OPEN,         TOK_BRACE_CLOSE,
 101         TOK_SQUARE_OPEN,        TOK_SQUARE_CLOSE,
 102
 103         TOK_LAST
 104 };
 105
 106 #define TOKEN_GROUP_TYPES       TOK_RWD_VOID:\
 107         case TOK_RWD_OBJECT:\
 108         case TOK_RWD_OPAQUE:\
 109         case TOK_RWD_INTEGER:\
 110         case TOK_RWD_STRING:\
 111         case TOK_RWD_REAL
 112 #define TOKEN_GROUP_TYPES_STR   "TOK_RWD_VOID, TOK_RWD_OBJECT, TOK_RWD_OPAQUE, TOK_RWD_INTEGER, TOK_RWD_STRING or TOK_RWD_REAL"
 113
 114 #define TOKEN_GET_DATATYPE(_type, _tok) do { switch(_tok) {\
 115         case TOK_RWD_VOID:  _type = SS_DATATYPE_UNDEF;  break;\
 116         case TOK_RWD_INTEGER:_type = SS_DATATYPE_INTEGER;       break;\
 117         case TOK_RWD_OPAQUE: _type = SS_DATATYPE_OPAQUE;        break;\
 118         case TOK_RWD_OBJECT: _type = SS_DATATYPE_OBJECT;        break;\
 119         case TOK_RWD_REAL:   _type = SS_DATATYPE_REAL;  break;\
 120         case TOK_RWD_STRING: _type = SS_DATATYPE_STRING;        break;\
 121         default:_type=SS_DATATYPE_UNDEF;fprintf(stderr,\
 122         "ERROR: Unexpected %s, expected "TOKEN_GROUP_TYPES_STR"\n",csaTOKEN_NAMES[Parser->Token]);\
 123         break;\
 124         } } while(0)
 125
 126 # if WANT_TOKEN_STRINGS
 127 const char * const csaTOKEN_NAMES[] = {
 128         "TOK_INVAL",
 129         "TOK_EOF",
 130
 131         "TOK_STR",
 132         "TOK_INTEGER",
 133         "TOK_REAL",
 134         "TOK_VARIABLE",
 135         "TOK_IDENT",
 136
 137         "TOK_RWD_FUNCTION",
 138         "TOK_RWD_NAMESPACE",
 139
 140         "TOK_RWD_NEW",
 141         "TOK_RWD_RETURN",
 142         "TOK_RWD_BREAK",
 143         "TOK_RWD_CONTINUE",
 144
 145         "TOK_RWD_IF",
 146         "TOK_RWD_ELSE",
 147         "TOK_RWD_DO",
 148         "TOK_RWD_WHILE",
 149         "TOK_RWD_FOR",
 150
 151         "TOK_RWD_VOID",
 152         "TOK_RWD_OBJECT",
 153         "TOK_RWD_OPAUQE",
 154         "TOK_RWD_STRING",
 155         "TOK_RWD_INTEGER",
 156         "TOK_RWD_REAL",
 157
 158         "TOK_ASSIGN",
 159         "TOK_SEMICOLON",
 160         "TOK_COMMA",
 161         "TOK_SCOPE",
 162         "TOK_ELEMENT",
 163
 164         "TOK_EQUALS",
 165         "TOK_LT",       "TOK_LTE",
 166         "TOK_GT",       "TOK_GTE",
 167
 168         "TOK_BWNOT",    "TOK_LOGICNOT",
 169         "TOK_DIV",      "TOK_MUL",
 170         "TOK_PLUS",     "TOK_MINUS",
 171         "TOK_SHL",      "TOK_SHR",
 172         "TOK_LOGICAND", "TOK_LOGICOR",  "TOK_LOGICXOR",
 173         "TOK_AND",      "TOK_OR",       "TOK_XOR",
 174
 175         "TOK_INCREMENT",        "TOK_DECREMENT",
 176         "TOK_ASSIGN_DIV",       "TOK_ASSIGN_MUL",
 177         "TOK_ASSIGN_PLUS",      "TOK_ASSIGN_MINUS",
 178         "TOK_ASSIGN_SHL",       "TOK_ASSIGN_SHR",
 179         "TOK_ASSIGN_LOGICAND",  "TOK_ASSIGN_LOGICOR",   "TOK_ASSIGN_LOGICXOR",
 180         "TOK_ASSIGN_AND",       "TOK_ASSIGN_OR",        "TOK_ASSIGN_XOR",
 181
 182         "TOK_PAREN_OPEN",       "TOK_PAREN_CLOSE",
 183         "TOK_BRACE_OPEN",       "TOK_BRACE_CLOSE",
 184         "TOK_SQUARE_OPEN",      "TOK_SQUARE_CLOSE",
 185
 186         "TOK_LAST"
 187 };
 188 # endif
 189
 190 #endif