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_VARIABLE,
  45         TOK_IDENT,
  46
  47         // Reserved Words
  48         // - Definitions
  49         TOK_RWD_FUNCTION,
  50         TOK_RWD_NAMESPACE,
  51         // - Control Flow
  52         TOK_RWD_NEW,
  53         TOK_RWD_RETURN,
  54         TOK_RWD_BREAK,
  55         TOK_RWD_CONTINUE,
  56         // - Blocks
  57         TOK_RWD_IF,
  58         TOK_RWD_ELSE,
  59         TOK_RWD_DO,
  60         TOK_RWD_WHILE,
  61         TOK_RWD_FOR,
  62         // - Types
  63         TOK_RWD_VOID,
  64         TOK_RWD_OBJECT,
  65         TOK_RWD_OPAQUE,
  66         TOK_RWD_STRING,
  67         TOK_RWD_INTEGER,
  68         TOK_RWD_REAL,
  69
  70         //
  71         TOK_ASSIGN,
  72         TOK_SEMICOLON,
  73         TOK_COMMA,
  74         TOK_SCOPE,
  75         TOK_ELEMENT,
  76
  77         // Comparisons
  78         TOK_EQUALS,
  79         TOK_LT, TOK_LTE,
  80         TOK_GT, TOK_GTE,
  81
  82         // Operations
  83         TOK_DIV,        TOK_MUL,
  84         TOK_PLUS,       TOK_MINUS,
  85         TOK_SHL,        TOK_SHR,
  86         TOK_LOGICAND,   TOK_LOGICOR,    TOK_LOGICXOR,
  87         TOK_AND,        TOK_OR, TOK_XOR,
  88
  89         // Assignment Operations
  90         TOK_INCREMENT,          TOK_DECREMENT,
  91         TOK_ASSIGN_DIV,         TOK_ASSIGN_MUL,
  92         TOK_ASSIGN_PLUS,        TOK_ASSIGN_MINUS,
  93         TOK_ASSIGN_SHL,         TOK_ASSIGN_SHR,
  94         TOK_ASSIGN_LOGICAND,    TOK_ASSIGN_LOGICOR,     TOK_ASSIGN_LOGXICOR,
  95         TOK_ASSIGN_AND,         TOK_ASSIGN_OR,  TOK_ASSIGN_XOR,
  96
  97         TOK_PAREN_OPEN,         TOK_PAREN_CLOSE,
  98         TOK_BRACE_OPEN,         TOK_BRACE_CLOSE,
  99         TOK_SQUARE_OPEN,        TOK_SQUARE_CLOSE,
 100
 101         TOK_LAST
 102 };
 103
 104 #define TOKEN_GROUP_TYPES       TOK_RWD_VOID:\
 105         case TOK_RWD_OBJECT:\
 106         case TOK_RWD_OPAQUE:\
 107         case TOK_RWD_INTEGER:\
 108         case TOK_RWD_STRING:\
 109         case TOK_RWD_REAL
 110 #define TOKEN_GROUP_TYPES_STR   "TOK_RWD_VOID, TOK_RWD_OBJECT, TOK_RWD_OPAQUE, TOK_RWD_INTEGER, TOK_RWD_STRING or TOK_RWD_REAL"
 111
 112 #define TOKEN_GET_DATATYPE(_type, _tok) do { switch(_tok) {\
 113         case TOK_RWD_VOID:  _type = SS_DATATYPE_UNDEF;  break;\
 114         case TOK_RWD_INTEGER:_type = SS_DATATYPE_INTEGER;       break;\
 115         case TOK_RWD_OPAQUE: _type = SS_DATATYPE_OPAQUE;        break;\
 116         case TOK_RWD_OBJECT: _type = SS_DATATYPE_OBJECT;        break;\
 117         case TOK_RWD_REAL:   _type = SS_DATATYPE_REAL;  break;\
 118         case TOK_RWD_STRING: _type = SS_DATATYPE_STRING;        break;\
 119         default:fprintf(stderr,\
 120         "ERROR: Unexpected %s, expected "TOKEN_GROUP_TYPES_STR"\n",csaTOKEN_NAMES[Parser->Token]);\
 121         break;\
 122         } } while(0)
 123
 124 # if WANT_TOKEN_STRINGS
 125 const char * const csaTOKEN_NAMES[] = {
 126         "TOK_INVAL",
 127         "TOK_EOF",
 128
 129         "TOK_STR",
 130         "TOK_INTEGER",
 131         "TOK_VARIABLE",
 132         "TOK_IDENT",
 133
 134         "TOK_RWD_FUNCTION",
 135         "TOK_RWD_NAMESPACE",
 136
 137         "TOK_RWD_NEW",
 138         "TOK_RWD_RETURN",
 139         "TOK_RWD_BREAK",
 140         "TOK_RWD_CONTINUE",
 141
 142         "TOK_RWD_IF",
 143         "TOK_RWD_ELSE",
 144         "TOK_RWD_DO",
 145         "TOK_RWD_WHILE",
 146         "TOK_RWD_FOR",
 147
 148         "TOK_RWD_VOID",
 149         "TOK_RWD_OBJECT",
 150         "TOK_RWD_OPAUQE",
 151         "TOK_RWD_STRING",
 152         "TOK_RWD_INTEGER",
 153         "TOK_RWD_REAL",
 154
 155         "TOK_ASSIGN",
 156         "TOK_SEMICOLON",
 157         "TOK_COMMA",
 158         "TOK_SCOPE",
 159         "TOK_ELEMENT",
 160
 161         "TOK_EQUALS",
 162         "TOK_LT",       "TOK_LTE",
 163         "TOK_GT",       "TOK_GTE",
 164
 165         "TOK_DIV",      "TOK_MUL",
 166         "TOK_PLUS",     "TOK_MINUS",
 167         "TOK_SHL",      "TOK_SHR",
 168         "TOK_LOGICAND", "TOK_LOGICOR",  "TOK_LOGICXOR",
 169         "TOK_AND",      "TOK_OR",       "TOK_XOR",
 170
 171         "TOK_INCREMENT",        "TOK_DECREMENT",
 172         "TOK_ASSIGN_DIV",       "TOK_ASSIGN_MUL",
 173         "TOK_ASSIGN_PLUS",      "TOK_ASSIGN_MINUS",
 174         "TOK_ASSIGN_SHL",       "TOK_ASSIGN_SHR",
 175         "TOK_ASSIGN_LOGICAND",  "TOK_ASSIGN_LOGICOR",   "TOK_ASSIGN_LOGICXOR",
 176         "TOK_ASSIGN_AND",       "TOK_ASSIGN_OR",        "TOK_ASSIGN_XOR",
 177
 178         "TOK_PAREN_OPEN",       "TOK_PAREN_CLOSE",
 179         "TOK_BRACE_OPEN",       "TOK_BRACE_CLOSE",
 180         "TOK_SQUARE_OPEN",      "TOK_SQUARE_CLOSE",
 181
 182         "TOK_LAST"
 183 };
 184 # endif
 185
 186 #endif