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         const char      *BufStart;
  13         const char      *CurPos;
  14
  15         const char      *Filename;
  16
  17          int    LastLine;
  18          int    LastToken, LastTokenLen;
  19         const char      *LastTokenStr;
  20
  21          int    NextLine;
  22          int    NextToken, NextTokenLen;
  23         const char      *NextTokenStr;
  24
  25          int    CurLine;
  26          int    Token, TokenLen;
  27         const char      *TokenStr;
  28
  29         jmp_buf JmpTarget;
  30          int    ErrorHit;
  31 }       tParser;
  32
  33 // === FUNCTIONS ===
  34  int    GetToken(tParser *File);
  35 void    PutBack(tParser *File);
  36  int    LookAhead(tParser *File);
  37
  38 // === CONSTANTS ===
  39 enum eTokens
  40 {
  41         TOK_INVAL,
  42         TOK_EOF,
  43
  44         // Primitives
  45         TOK_STR,
  46         TOK_INTEGER,
  47         TOK_REAL,
  48         TOK_VARIABLE,
  49         TOK_IDENT,
  50
  51         // Reserved Words
  52         // - Definitions
  53         TOK_RWD_FUNCTION,
  54         TOK_RWD_NAMESPACE,
  55         // - Control Flow
  56         TOK_RWD_NEW,
  57         TOK_RWD_RETURN,
  58         TOK_RWD_BREAK,
  59         TOK_RWD_CONTINUE,
  60         // - Blocks
  61         TOK_RWD_IF,
  62         TOK_RWD_ELSE,
  63         TOK_RWD_DO,
  64         TOK_RWD_WHILE,
  65         TOK_RWD_FOR,
  66         // - Types
  67         TOK_RWD_VOID,
  68         TOK_RWD_OBJECT,
  69         TOK_RWD_OPAQUE,
  70         TOK_RWD_STRING,
  71         TOK_RWD_INTEGER,
  72         TOK_RWD_REAL,
  73
  74         //
  75         TOK_ASSIGN,
  76         TOK_SEMICOLON,
  77         TOK_COMMA,
  78         TOK_SCOPE,
  79         TOK_ELEMENT,
  80
  81         // Comparisons
  82         TOK_EQUALS,
  83         TOK_LT, TOK_LTE,
  84         TOK_GT, TOK_GTE,
  85
  86         // Operations
  87         TOK_BWNOT,      TOK_LOGICNOT,
  88         TOK_DIV,        TOK_MUL,
  89         TOK_PLUS,       TOK_MINUS,
  90         TOK_SHL,        TOK_SHR,
  91         TOK_LOGICAND,   TOK_LOGICOR,    TOK_LOGICXOR,
  92         TOK_AND,        TOK_OR, TOK_XOR,
  93
  94         // Assignment Operations
  95         TOK_INCREMENT,          TOK_DECREMENT,
  96         TOK_ASSIGN_DIV,         TOK_ASSIGN_MUL,
  97         TOK_ASSIGN_PLUS,        TOK_ASSIGN_MINUS,
  98         TOK_ASSIGN_SHL,         TOK_ASSIGN_SHR,
  99         TOK_ASSIGN_LOGICAND,    TOK_ASSIGN_LOGICOR,     TOK_ASSIGN_LOGXICOR,
 100         TOK_ASSIGN_AND,         TOK_ASSIGN_OR,  TOK_ASSIGN_XOR,
 101
 102         TOK_PAREN_OPEN,         TOK_PAREN_CLOSE,
 103         TOK_BRACE_OPEN,         TOK_BRACE_CLOSE,
 104         TOK_SQUARE_OPEN,        TOK_SQUARE_CLOSE,
 105
 106         TOK_LAST
 107 };
 108
 109 #define TOKEN_GROUP_TYPES       TOK_RWD_VOID:\
 110         case TOK_RWD_OBJECT:\
 111         case TOK_RWD_OPAQUE:\
 112         case TOK_RWD_INTEGER:\
 113         case TOK_RWD_STRING:\
 114         case TOK_RWD_REAL
 115 #define TOKEN_GROUP_TYPES_STR   "TOK_RWD_VOID, TOK_RWD_OBJECT, TOK_RWD_OPAQUE, TOK_RWD_INTEGER, TOK_RWD_STRING or TOK_RWD_REAL"
 116
 117 #define TOKEN_GET_DATATYPE(_type, _tok) do { switch(_tok) {\
 118         case TOK_RWD_VOID:  _type = SS_DATATYPE_UNDEF;  break;\
 119         case TOK_RWD_INTEGER:_type = SS_DATATYPE_INTEGER;       break;\
 120         case TOK_RWD_OPAQUE: _type = SS_DATATYPE_OPAQUE;        break;\
 121         case TOK_RWD_OBJECT: _type = SS_DATATYPE_OBJECT;        break;\
 122         case TOK_RWD_REAL:   _type = SS_DATATYPE_REAL;  break;\
 123         case TOK_RWD_STRING: _type = SS_DATATYPE_STRING;        break;\
 124         default:_type=SS_DATATYPE_UNDEF;fprintf(stderr,\
 125         "ERROR: Unexpected %s, expected "TOKEN_GROUP_TYPES_STR"\n",csaTOKEN_NAMES[Parser->Token]);\
 126         break;\
 127         } } while(0)
 128
 129 # if WANT_TOKEN_STRINGS
 130 const char * const csaTOKEN_NAMES[] = {
 131         "TOK_INVAL",
 132         "TOK_EOF",
 133
 134         "TOK_STR",
 135         "TOK_INTEGER",
 136         "TOK_REAL",
 137         "TOK_VARIABLE",
 138         "TOK_IDENT",
 139
 140         "TOK_RWD_FUNCTION",
 141         "TOK_RWD_NAMESPACE",
 142
 143         "TOK_RWD_NEW",
 144         "TOK_RWD_RETURN",
 145         "TOK_RWD_BREAK",
 146         "TOK_RWD_CONTINUE",
 147
 148         "TOK_RWD_IF",
 149         "TOK_RWD_ELSE",
 150         "TOK_RWD_DO",
 151         "TOK_RWD_WHILE",
 152         "TOK_RWD_FOR",
 153
 154         "TOK_RWD_VOID",
 155         "TOK_RWD_OBJECT",
 156         "TOK_RWD_OPAUQE",
 157         "TOK_RWD_STRING",
 158         "TOK_RWD_INTEGER",
 159         "TOK_RWD_REAL",
 160
 161         "TOK_ASSIGN",
 162         "TOK_SEMICOLON",
 163         "TOK_COMMA",
 164         "TOK_SCOPE",
 165         "TOK_ELEMENT",
 166
 167         "TOK_EQUALS",
 168         "TOK_LT",       "TOK_LTE",
 169         "TOK_GT",       "TOK_GTE",
 170
 171         "TOK_BWNOT",    "TOK_LOGICNOT",
 172         "TOK_DIV",      "TOK_MUL",
 173         "TOK_PLUS",     "TOK_MINUS",
 174         "TOK_SHL",      "TOK_SHR",
 175         "TOK_LOGICAND", "TOK_LOGICOR",  "TOK_LOGICXOR",
 176         "TOK_AND",      "TOK_OR",       "TOK_XOR",
 177
 178         "TOK_INCREMENT",        "TOK_DECREMENT",
 179         "TOK_ASSIGN_DIV",       "TOK_ASSIGN_MUL",
 180         "TOK_ASSIGN_PLUS",      "TOK_ASSIGN_MINUS",
 181         "TOK_ASSIGN_SHL",       "TOK_ASSIGN_SHR",
 182         "TOK_ASSIGN_LOGICAND",  "TOK_ASSIGN_LOGICOR",   "TOK_ASSIGN_LOGICXOR",
 183         "TOK_ASSIGN_AND",       "TOK_ASSIGN_OR",        "TOK_ASSIGN_XOR",
 184
 185         "TOK_PAREN_OPEN",       "TOK_PAREN_CLOSE",
 186         "TOK_BRACE_OPEN",       "TOK_BRACE_CLOSE",
 187         "TOK_SQUARE_OPEN",      "TOK_SQUARE_CLOSE",
 188
 189         "TOK_LAST"
 190 };
 191 # endif
 192
 193 #endif