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Diffstat (limited to 'keyword.cpp')
| -rw-r--r-- | keyword.cpp | 378 |
1 files changed, 378 insertions, 0 deletions
diff --git a/keyword.cpp b/keyword.cpp new file mode 100644 index 0000000..f6971ac --- /dev/null +++ b/keyword.cpp @@ -0,0 +1,378 @@ +// keyword.cpp +// Revision 7-feb-2005 + +#include "keyword.h" +#include "util.h" +#include "sysvar.h" +#include "trace.h" + +#include <iostream> +#include <set> +#include <algorithm> +#include <iterator> +#include <functional> +#include <cctype> + +// I don't understand why, but with this using the older version +// of C++ Builder fails. +#if __BORLANDC__ >= 0x0560 +using std::toupper; +#endif + +namespace sysvar= blassic::sysvar; +using util::dim_array; + + +namespace { + +struct keycode { + std::string key; + BlCode code; + keycode (const char * str, BlCode c) : + key (str), code (c) + { } +}; + +// Can't declare const on Borland or fail at instantiate find_if, +// don't know why. +#ifdef __BORLANDC__ +#define const_keycode keycode +#else +#define const_keycode const keycode +#endif + +#define m_keycode(n) keycode (#n, key ## n) + +#define m_keycode_s(n) keycode (#n "$", key ## n ## _S) + +const_keycode table []= { + m_keycode (END), + m_keycode (LIST), + m_keycode (REM), + m_keycode (LOAD), + m_keycode (SAVE), + m_keycode (EXIT), + m_keycode (NEW), + m_keycode (RUN), + m_keycode (PRINT), + m_keycode (FOR), + m_keycode (NEXT), + m_keycode (TO), + m_keycode (STEP), + m_keycode (IF), + m_keycode (THEN), + m_keycode (ELSE), + m_keycode (TRON), + m_keycode (TROFF), + m_keycode (LET), + m_keycode (GOTO), + m_keycode (STOP), + m_keycode (CONT), + m_keycode (CLEAR), + m_keycode (GOSUB), + m_keycode (RETURN), + m_keycode (POKE), + m_keycode (DATA), + m_keycode (READ), + m_keycode (RESTORE), + m_keycode (INPUT), + m_keycode (LINE), + m_keycode (RANDOMIZE), + m_keycode (PLEASE), + m_keycode (AUTO), + m_keycode (DIM), + m_keycode (SYSTEM), + m_keycode (ON), + m_keycode (ERROR), + m_keycode (OPEN), + m_keycode (CLOSE), + m_keycode (OUTPUT), + m_keycode (AS), + m_keycode (LOCATE), + m_keycode (CLS), + m_keycode (APPEND), + m_keycode (WRITE), + m_keycode (MODE), + m_keycode (MOVE), + m_keycode (COLOR), + m_keycode (GET), + m_keycode (LABEL), + m_keycode (DELIMITER), + m_keycode (REPEAT), + m_keycode (UNTIL), + m_keycode (WHILE), + m_keycode (WEND), + m_keycode (PLOT), + m_keycode (POPEN), + m_keycode (RESUME), + m_keycode (DELETE), + m_keycode (LOCAL), + m_keycode (RANDOM), + m_keycode (PUT), + m_keycode (FIELD), + m_keycode (LSET), + m_keycode (RSET), + m_keycode (SOCKET), + m_keycode (DRAW), + m_keycode (DEF), + m_keycode (FN), + m_keycode (ERASE), + m_keycode (SWAP), + m_keycode (SYMBOL), + m_keycode (ZONE), + m_keycode (POP), + m_keycode (NAME), + m_keycode (KILL), + m_keycode (FILES), + m_keycode (PAPER), + m_keycode (PEN), + m_keycode (SHELL), + m_keycode (MERGE), + m_keycode (CHDIR), + m_keycode (MKDIR), + m_keycode (RMDIR), + m_keycode (BREAK), + m_keycode (SYNCHRONIZE), + m_keycode (PAUSE), + m_keycode (CHAIN), + m_keycode (STR), + m_keycode (REAL), + m_keycode (ENVIRON), + m_keycode (EDIT), + m_keycode (DRAWR), + m_keycode (PLOTR), + m_keycode (MOVER), + m_keycode (POKE16), + m_keycode (POKE32), + m_keycode (RENUM), + m_keycode (CIRCLE), + m_keycode (MASK), + m_keycode (WINDOW), + m_keycode (GRAPHICS), + m_keycode (AFTER), + m_keycode (BEEP), + m_keycode (DEFINT), + m_keycode (DEFSTR), + m_keycode (DEFREAL), + m_keycode (DEFSNG), + m_keycode (DEFDBL), + m_keycode (INK), + m_keycode (SET_TITLE), + m_keycode (TAG), + m_keycode (TAGOFF), + m_keycode (ORIGIN), + m_keycode (DEG), + m_keycode (RAD), + m_keycode (INVERSE), + m_keycode (IF_DEBUG), + m_keycode (LPRINT), + m_keycode (LLIST), + m_keycode (WIDTH), + m_keycode (BRIGHT), + m_keycode (BINARY), + m_keycode (DRAWARC), + m_keycode (PULL), + m_keycode (PAINT), + m_keycode (FREE_MEMORY), + m_keycode (SCROLL), + m_keycode (ZX_PLOT), + m_keycode (ZX_UNPLOT), + + m_keycode_s (MID), + m_keycode_s (LEFT), + m_keycode_s (RIGHT), + m_keycode_s (CHR), + m_keycode_s (ENVIRON), + m_keycode_s (STRING), + m_keycode_s (OSFAMILY), + m_keycode_s (HEX), + m_keycode_s (SPACE), + m_keycode_s (UPPER), + m_keycode_s (LOWER), + m_keycode_s (STR), + m_keycode_s (OCT), + m_keycode_s (BIN), + m_keycode_s (INKEY), + m_keycode_s (PROGRAMARG), + m_keycode_s (DATE), + m_keycode_s (TIME), + m_keycode_s (INPUT), + m_keycode_s (MKI), + m_keycode_s (MKS), + m_keycode_s (MKD), + m_keycode_s (MKL), + m_keycode_s (TRIM), + m_keycode_s (LTRIM), + m_keycode_s (RTRIM), + m_keycode_s (OSNAME), + m_keycode_s (FINDFIRST), + m_keycode_s (FINDNEXT), + m_keycode_s (COPYCHR), + m_keycode_s (STRERR), + m_keycode_s (DEC), + m_keycode_s (VAL), + m_keycode_s (SCREEN), + m_keycode_s (MKSMBF), + m_keycode_s (MKDMBF), + m_keycode_s (REGEXP_REPLACE), + m_keycode_s (UCASE), + m_keycode_s (LCASE), + + m_keycode (ASC), + m_keycode (LEN), + m_keycode (PEEK), + m_keycode (PROGRAMPTR), + m_keycode (RND), + m_keycode (INT), + m_keycode (SIN), + m_keycode (COS), + m_keycode (PI), + m_keycode (TAN), + m_keycode (SQR), + m_keycode (ASIN), + m_keycode (ACOS), + m_keycode (INSTR), + m_keycode (ATAN), + m_keycode (ABS), + m_keycode (USR), + m_keycode (VAL), + m_keycode (EOF), + m_keycode (VARPTR), + m_keycode (SYSVARPTR), + m_keycode (SGN), + m_keycode (LOG), + m_keycode (LOG10), + m_keycode (EXP), + m_keycode (TIME), + m_keycode (ERR), + m_keycode (ERL), + m_keycode (CVI), + m_keycode (CVS), + m_keycode (CVD), + m_keycode (CVL), + m_keycode (MIN), + m_keycode (MAX), + m_keycode (CINT), + m_keycode (FIX), + m_keycode (XMOUSE), + m_keycode (YMOUSE), + m_keycode (XPOS), + m_keycode (YPOS), + m_keycode (PEEK16), + m_keycode (PEEK32), + m_keycode (RINSTR), + m_keycode (FIND_FIRST_OF), + m_keycode (FIND_LAST_OF), + m_keycode (FIND_FIRST_NOT_OF), + m_keycode (FIND_LAST_NOT_OF), + m_keycode (SINH), + m_keycode (COSH), + m_keycode (TANH), + m_keycode (ASINH), + m_keycode (ACOSH), + m_keycode (ATANH), + m_keycode (ATAN2), + m_keycode (TEST), + m_keycode (TESTR), + m_keycode (POS), + m_keycode (VPOS), + m_keycode (LOF), + m_keycode (FREEFILE), + m_keycode (INKEY), + m_keycode (ROUND), + m_keycode (CVSMBF), + m_keycode (CVDMBF), + m_keycode (REGEXP_INSTR), + m_keycode (ALLOC_MEMORY), + m_keycode (LOC), + + m_keycode (NOT), + m_keycode (OR), + m_keycode (AND), + m_keycode (TAB), + m_keycode (SPC), + m_keycode (AT), + m_keycode (XOR), + m_keycode (MOD), + m_keycode (USING), + + keycode ("<>", keyDISTINCT), + keycode ("<=", keyMINOREQUAL), + keycode (">=", keyGREATEREQUAL), + keycode ("=<", keyEQUALMINOR), + keycode ("=>", keyEQUALGREATER), + keycode ("><", keyGREATERMINOR), + + // table_end points here, then if find_if (table, table_end, ...) + // fails the result is: + keycode ("???", 0) +}; + +const_keycode * table_end= table + dim_array (table) - 1; + +class key_is : public std::unary_function <keycode, bool> { +public: + key_is (const std::string & str) : str (str) + { } + bool operator () (const keycode & k) const + { return k.key == str; } +private: + const std::string & str; +}; + +class code_is : public std::unary_function <keycode, bool> { +public: + code_is (BlCode code) : code (code) + { } + bool operator () (const keycode & k) const + { return k.code == code; } +private: + BlCode code; +}; + +inline std::string stringupper (const std::string & str) +{ + std::string u (str.size (), 0); + std::transform (str.begin (), str.end (), u.begin (), toupper); + return u; +} + +std::set <std::string> exclude; + +} // namespace + +void excludekeyword (const std::string & str) +{ + TRACEFUNC (tr, "excludekeyword"); + + std::string stru= stringupper (str); + if (find_if (table, table_end, key_is (stru) ) != table_end) + { + exclude.insert (stru); + TRMESSAGE (tr, std::string ("Excluding ") + stru); + } +} + +BlCode keyword (const std::string & str) +{ + std::string stru= stringupper (str); + BlCode code= std::find_if (table, table_end, key_is (stru) )->code; + if (code != 0) + if (exclude.find (stru) != exclude.end () ) + return 0; + return code; +} + +std::string decodekeyword (BlCode s) +{ + if (s == keyGOTO || s == keyGOSUB) + { + if (sysvar::hasFlags2 (sysvar::SeparatedGoto) ) + return (s == keyGOTO) ? + "GO TO" : + "GO SUB"; + } + return std::find_if (table, table_end, code_is (s) )->key; +} + +// Fin de keyword.cpp |