#define YYCTYPE char #define YYCURSOR cursor #define YYLIMIT limit #define YYMARKER marker #define YYFILL(n) {} #if 0 // As long as the buffer ends with '\n', we need do nothing special for YYFILL. // This buffer must be as large as the largest YYFILL call YYCTYPE eofbuf[9]; #define YYFILL(n) \ { if(!sc_End) { \ if(n == 2) { eofbuf[0] = *cursor; } \ else if(n >= 3 && n <= 9) { memcpy(eofbuf, cursor, n-1); } \ eofbuf[n-1] = '\n'; \ cursor = eofbuf; \ limit = eofbuf + n - 1; \ sc_End = true; } \ } \ assert(n <= sizeof eofbuf) // Semicolon intentionally omitted #endif //#define YYDEBUG(s,c) { Printf ("%d: %02x\n", s, c); } #define YYDEBUG(s,c) char *cursor = ScriptPtr; char *limit = ScriptEndPtr; std1: tok = YYCURSOR; std2: /*!re2c any = [\000-\377]; WSP = ([\000- ]\[\n]); NWS = (any\[\000- ]); O = [0-7]; D = [0-9]; L = [a-zA-Z_]; H = [a-fA-F0-9]; E = [Ee] [+-]? D+; FS = [fFlL]; IS = [uUlL]; ESC = [\\] ([abcfnrtv?'"\\] | "x" H+ | O+); TOK1 = [{}|=]; TOKC = [{}|=/`~!@#$%^&*()\[\]\\?\-=+;:<>,.]; STOP1 = (TOK1|["/;]); STOPC = (TOKC|["]); TOK2 = (NWS\STOP1); TOKC2 = (NWS\STOPC); */ if (tokens) // A well-defined scanner, based on the c.re example. { #define RET(x) sc_TokenType = x; goto normal_token; /*!re2c "/*" { goto comment; } /* C comment */ "//" (any\"\n")* "\n" { goto newline; } /* C++ comment */ /* C Keywords */ 'break' { RET(TK_Break); } 'case' { RET(TK_Case); } 'const' { RET(TK_Const); } 'continue' { RET(TK_Continue); } 'default' { RET(TK_Default); } 'do' { RET(TK_Do); } 'else' { RET(TK_Else); } 'for' { RET(TK_For); } 'goto' { RET(TK_Goto); } 'if' { RET(TK_If); } 'return' { RET(TK_Return); } 'states' { RET(TK_States); } 'switch' { RET(TK_Switch); } 'until' { RET(TK_Until); } 'volatile' { RET(TK_Volatile); } 'while' { RET(TK_While); } /* Type names */ 'bool' { RET(TK_Bool); } 'float' { RET(TK_Float); } 'double' { RET(TK_Double); } 'char' { RET(TK_Char); } 'byte' { RET(TK_Byte); } 'sbyte' { RET(TK_SByte); } 'short' { RET(TK_Short); } 'ushort' { RET(TK_UShort); } 'int' { RET(TK_Int); } 'uint' { RET(TK_UInt); } 'long' { RET(TK_Long); } 'ulong' { RET(TK_ULong); } 'void' { RET(TK_Void); } 'struct' { RET(TK_Struct); } 'class' { RET(TK_Class); } 'mode' { RET(TK_Mode); } 'enum' { RET(TK_Enum); } 'name' { RET(TK_Name); } 'string' { RET(TK_String); } 'sound' { RET(TK_Sound); } 'state' { RET(TK_State); } 'color' { RET(TK_Color); } /* Other keywords from UnrealScript */ 'abstract' { RET(TK_Abstract); } 'foreach' { RET(TK_ForEach); } 'true' { RET(TK_True); } 'false' { RET(TK_False); } 'none' { RET(TK_None); } 'new' { RET(TK_New); } 'instanceof' { RET(TK_InstanceOf); } 'auto' { RET(TK_Auto); } 'exec' { RET(TK_Exec); } 'defaultproperties' { RET(TK_DefaultProperties); } 'native' { RET(TK_Native); } 'out' { RET(TK_Out); } 'ref' { RET(TK_Ref); } 'event' { RET(TK_Event); } 'static' { RET(TK_Static); } 'transient' { RET(TK_Transient); } 'final' { RET(TK_Final); } 'throws' { RET(TK_Throws); } 'extends' { RET(TK_Extends); } 'public' { RET(TK_Public); } 'protected' { RET(TK_Protected); } 'private' { RET(TK_Private); } 'dot' { RET(TK_Dot); } 'cross' { RET(TK_Cross); } 'ignores' { RET(TK_Ignores); } 'localized' { RET(TK_Localized); } 'latent' { RET(TK_Latent); } 'singular' { RET(TK_Singular); } 'config' { RET(TK_Config); } 'coerce' { RET(TK_Coerce); } 'iterator' { RET(TK_Iterator); } 'optional' { RET(TK_Optional); } 'export' { RET(TK_Export); } 'virtual' { RET(TK_Virtual); } 'super' { RET(TK_Super); } 'global' { RET(TK_Global); } 'self' { RET(TK_Self); } 'stop' { RET(TK_Stop); } /* Needed for decorate action functions */ 'eval' { RET(TK_Eval); } 'evalnot' { RET(TK_EvalNot); } 'action' { RET(TK_Action); } L (L|D)* { RET(TK_Identifier); } ("0" [xX] H+ IS?) | ("0" D+ IS?) | (D+ IS?) { RET(TK_IntConst); } (D+ E FS?) | (D* "." D+ E? FS?) | (D+ "." D* E? FS?) { RET(TK_FloatConst); } (["] (ESC|any\[\n\\"])* ["]) { RET(TK_StringConst); } (['] (any\[\n'])* [']) { RET(TK_NameConst); } "..." { RET(TK_Ellipsis); } ">>>=" { RET(TK_URShiftEq); } ">>=" { RET(TK_RShiftEq); } "<<=" { RET(TK_LShiftEq); } "+=" { RET(TK_AddEq); } "-=" { RET(TK_SubEq); } "*=" { RET(TK_MulEq); } "/=" { RET(TK_DivEq); } "%=" { RET(TK_ModEq); } "&=" { RET(TK_AndEq); } "^=" { RET(TK_XorEq); } "|=" { RET(TK_OrEq); } ">>>" { RET(TK_URShift); } ">>" { RET(TK_RShift); } "<<" { RET(TK_LShift); } "++" { RET(TK_Incr); } "--" { RET(TK_Decr); } "&&" { RET(TK_AndAnd); } "||" { RET(TK_OrOr); } "<=" { RET(TK_Leq); } ">=" { RET(TK_Geq); } "==" { RET(TK_Eq); } "!=" { RET(TK_Neq); } ";" { RET(';'); } "{" { RET('{'); } "}" { RET('}'); } "," { RET(','); } ":" { RET(':'); } "=" { RET('='); } "(" { RET('('); } ")" { RET(')'); } "[" { RET('['); } "]" { RET(']'); } "." { RET('.'); } "&" { RET('&'); } "!" { RET('!'); } "~" { RET('~'); } "-" { RET('-'); } "+" { RET('+'); } "*" { RET('*'); } "/" { RET('/'); } "%" { RET('%'); } "<" { RET('<'); } ">" { RET('>'); } "^" { RET('^'); } "|" { RET('|'); } "?" { RET('?'); } [ \t\v\f\r]+ { goto std1; } "\n" { goto newline; } any { SC_ScriptError ("Unexpected character: %c (ASCII %d)\n", *tok, *tok); goto std1; } */ } if (!CMode) // The classic Hexen scanner. { /*!re2c "/*" { goto comment; } /* C comment */ ("//"|";") (any\"\n")* "\n" { goto newline; } /* C++/Hexen comment */ WSP+ { goto std1; } /* whitespace */ "\n" { goto newline; } "\"" { goto string; } TOK1 { goto normal_token; } /* Regular tokens may contain /, but they must not contain comment starts */ TOK2* ([/] (TOK2\[*]) TOK2*)* { goto normal_token; } any { goto normal_token; } /* unknown character */ */ } else // A modified Hexen scanner for DECORATE. { /*!re2c "/*" { goto comment; } /* C comment */ "//" (any\"\n")* "\n" { goto newline; } /* C++ comment */ WSP+ { goto std1; } /* whitespace */ "\n" { goto newline; } "\"" { goto string; } [-] { goto negative_check; } ((D* [.] D+) | (D+ [.] D*)) { goto normal_token; } /* decimal number */ "::" { goto normal_token; } "&&" { goto normal_token; } "==" { goto normal_token; } "||" { goto normal_token; } "<<" { goto normal_token; } ">>" { goto normal_token; } TOKC { goto normal_token; } TOKC2+ { goto normal_token; } any { goto normal_token; } /* unknown character */ */ } negative_check: // re2c doesn't have enough state to handle '-' as the start of a negative number // and as its own token, so help it out a little. sc_TokenType = '-'; if (YYCURSOR >= YYLIMIT) { goto normal_token; } if (*YYCURSOR >= '0' && *YYCURSOR <= '9') { goto std2; } if (*YYCURSOR != '.' || YYCURSOR+1 >= YYLIMIT) { goto normal_token; } if (*(YYCURSOR+1) >= '0' && *YYCURSOR <= '9') { goto std2; } goto normal_token; comment: /*!re2c "*/" { if (YYCURSOR >= YYLIMIT) { ScriptPtr = ScriptEndPtr; return_val = false; goto end; } goto std1; } "\n" { if (YYCURSOR >= YYLIMIT) { ScriptPtr = ScriptEndPtr; return_val = false; goto end; } sc_Line++; sc_Crossed = true; goto comment; } any { goto comment; } */ newline: if (YYCURSOR >= YYLIMIT) { ScriptPtr = ScriptEndPtr; return_val = false; goto end; } sc_Line++; sc_Crossed = true; goto std1; normal_token: ScriptPtr = (YYCURSOR >= YYLIMIT) ? ScriptEndPtr : cursor; sc_StringLen = MIN (ScriptPtr - tok, MAX_STRING_SIZE-1); if (tokens && (sc_TokenType == TK_StringConst || sc_TokenType == TK_NameConst)) { sc_StringLen -= 2; memcpy (sc_String, tok+1, sc_StringLen); } else { memcpy (sc_String, tok, sc_StringLen); } sc_String[sc_StringLen] = '\0'; return_val = true; goto end; string: if (YYLIMIT != ScriptEndPtr) { ScriptPtr = ScriptEndPtr; return_val = false; goto end; } ScriptPtr = cursor; for (sc_StringLen = 0; cursor < YYLIMIT; ++cursor) { if (Escape && *cursor == '\\' && *(cursor + 1) == '"') { cursor++; } else if (*cursor == '\r' && *(cursor + 1) == '\n') { cursor++; // convert CR-LF to simply LF } else if (*cursor == '"') { break; } if (*cursor == '\n') { if (CMode) { if (!Escape || sc_StringLen == 0 || sc_String[sc_StringLen - 1] != '\\') { SC_ScriptError ("Unterminated string constant"); } else { sc_StringLen--; // overwrite the \ character with \n } } sc_Line++; sc_Crossed = true; } if (sc_StringLen < MAX_STRING_SIZE-1) { sc_String[sc_StringLen++] = *cursor; } } ScriptPtr = cursor + 1; sc_String[sc_StringLen] = '\0'; return_val = true; end: