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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1126 | savelij | 1 | /* intformat.c */ |
| 2 | /*****************************************************************************/ |
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| 3 | /* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only */ |
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| 4 | /* */ |
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| 5 | /* AS */ |
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| 6 | /* */ |
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| 7 | /* enums regarding integer constant notations */ |
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| 8 | /* */ |
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| 9 | /*****************************************************************************/ |
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| 10 | |||
| 11 | #include "strutil.h" |
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| 12 | #include "datatypes.h" |
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| 13 | #include "stdinc.h" |
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| 14 | #include <stdlib.h> |
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| 15 | #include <string.h> |
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| 16 | |||
| 17 | #include "intformat.h" |
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| 18 | |||
| 19 | static const Word BaseVals[4] = |
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| 20 | { |
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| 21 | 2, 8, 16, 256 |
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| 22 | }; |
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| 23 | |||
| 24 | LongWord NativeIntConstModeMask, OtherIntConstModeMask; |
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| 25 | tIntFormatList *IntFormatList = NULL; |
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| 26 | tIntConstMode IntConstMode; |
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| 27 | Boolean IntConstModeIBMNoTerm, RelaxedMode; |
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| 28 | int RadixBase; |
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| 29 | |||
| 30 | static Boolean ChkIntFormatCHex(tIntCheckCtx *pCtx, char Ch) |
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| 31 | { |
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| 32 | if ((pCtx->ExprLen > 2) |
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| 33 | && (*pCtx->pExpr == '0') |
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| 34 | && (RadixBase <= Ch - 'A' + 10) |
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| 35 | && (as_toupper(pCtx->pExpr[1]) == Ch)) |
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| 36 | { |
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| 37 | pCtx->pExpr += 2; |
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| 38 | pCtx->ExprLen -= 2; |
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| 39 | return True; |
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| 40 | } |
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| 41 | return False; |
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| 42 | } |
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| 43 | |||
| 44 | static Boolean ChkIntFormatCBin(tIntCheckCtx *pCtx, char Ch) |
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| 45 | { |
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| 46 | if ((pCtx->ExprLen > 2) |
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| 47 | && (*pCtx->pExpr == '0') |
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| 48 | && (RadixBase <= Ch - 'A' + 10) |
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| 49 | && (as_toupper(pCtx->pExpr[1]) == Ch)) |
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| 50 | { |
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| 51 | const char *pRun; |
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| 52 | |||
| 53 | for (pRun = pCtx->pExpr + 2; pRun < pCtx->pExpr + pCtx->ExprLen; pRun++) |
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| 54 | if (DigitVal(*pRun, 2) < 0) |
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| 55 | return False; |
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| 56 | pCtx->pExpr += 2; |
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| 57 | pCtx->ExprLen -= 2; |
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| 58 | return True; |
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| 59 | } |
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| 60 | return False; |
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| 61 | } |
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| 62 | |||
| 63 | static Boolean ChkIntFormatMot(tIntCheckCtx *pCtx, char Ch) |
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| 64 | { |
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| 65 | if ((pCtx->ExprLen > 1) |
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| 66 | && (*pCtx->pExpr == Ch)) |
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| 67 | { |
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| 68 | pCtx->pExpr++; |
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| 69 | pCtx->ExprLen--; |
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| 70 | return True; |
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| 71 | } |
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| 72 | return False; |
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| 73 | } |
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| 74 | |||
| 75 | static Boolean ChkIntFormatInt(tIntCheckCtx *pCtx, char Ch) |
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| 76 | { |
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| 77 | if ((pCtx->ExprLen < 2) || !as_isdigit(*pCtx->pExpr)) |
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| 78 | return False; |
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| 79 | if ((RadixBase <= Ch - 'A' + 10) |
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| 80 | && (as_toupper(pCtx->pExpr[pCtx->ExprLen - 1]) == Ch)) |
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| 81 | { |
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| 82 | pCtx->ExprLen--; |
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| 83 | return True; |
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| 84 | } |
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| 85 | return False; |
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| 86 | } |
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| 87 | |||
| 88 | static Boolean ChkIntFormatIBM(tIntCheckCtx *pCtx, char Ch) |
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| 89 | { |
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| 90 | if ((pCtx->ExprLen < 3) |
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| 91 | || (as_toupper(*pCtx->pExpr) != Ch) |
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| 92 | || (pCtx->pExpr[1] != '\'')) |
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| 93 | return False; |
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| 94 | if ((pCtx->ExprLen > 3) && (pCtx->pExpr[pCtx->ExprLen - 1] == '\'')) |
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| 95 | { |
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| 96 | pCtx->pExpr += 2; |
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| 97 | pCtx->ExprLen -= 3; |
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| 98 | return True; |
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| 99 | } |
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| 100 | else if (IntConstModeIBMNoTerm) |
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| 101 | { |
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| 102 | pCtx->pExpr += 2; |
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| 103 | pCtx->ExprLen -= 2; |
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| 104 | return True; |
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| 105 | } |
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| 106 | return False; |
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| 107 | } |
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| 108 | |||
| 109 | static Boolean ChkIntFormatCOct(tIntCheckCtx *pCtx, char Ch) |
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| 110 | { |
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| 111 | const char *pRun; |
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| 112 | UNUSED(Ch); |
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| 113 | |||
| 114 | if ((pCtx->ExprLen < 2) |
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| 115 | || (*pCtx->pExpr != '0')) |
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| 116 | return False; |
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| 117 | for (pRun = pCtx->pExpr + 1; pRun < pCtx->pExpr + pCtx->ExprLen; pRun++) |
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| 118 | if (DigitVal(*pRun, 8) < 0) |
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| 119 | return False; |
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| 120 | return True; |
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| 121 | } |
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| 122 | |||
| 123 | static Boolean ChkIntFormatNatHex(tIntCheckCtx *pCtx, char Ch) |
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| 124 | { |
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| 125 | const char *pRun; |
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| 126 | UNUSED(Ch); |
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| 127 | |||
| 128 | if ((pCtx->ExprLen < 2) |
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| 129 | || (*pCtx->pExpr != '0')) |
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| 130 | return False; |
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| 131 | for (pRun = pCtx->pExpr + 1; pRun < pCtx->pExpr + pCtx->ExprLen; pRun++) |
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| 132 | if (!as_isxdigit(*pRun)) |
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| 133 | return False; |
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| 134 | return True; |
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| 135 | } |
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| 136 | |||
| 137 | static Boolean ChkIntFormatDef(tIntCheckCtx *pCtx, char Ch) |
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| 138 | { |
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| 139 | UNUSED(pCtx); |
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| 140 | UNUSED(Ch); |
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| 141 | return True; |
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| 142 | } |
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| 143 | |||
| 144 | static const tIntFormatList IntFormatList_All[] = |
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| 145 | { |
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| 146 | { ChkIntFormatCHex , eIntFormatCHex, 16, 'X', "0xhex" }, |
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| 147 | { ChkIntFormatCBin , eIntFormatCBin, 2, 'B', "0bbin" }, |
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| 148 | { ChkIntFormatMot , eIntFormatMotHex, 16, '$', "$hex" }, |
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| 149 | { ChkIntFormatMot , eIntFormatMotBin, 2, '%', "%bin" }, |
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| 150 | { ChkIntFormatMot , eIntFormatMotOct, 8, '@', "@oct" }, |
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| 151 | { ChkIntFormatInt , eIntFormatIntHex, 16, 'H', "hexh" }, |
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| 152 | { ChkIntFormatInt , eIntFormatIntBin, 2, 'B', "binb" }, |
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| 153 | { ChkIntFormatInt , eIntFormatIntOOct, 8, 'O', "octo" }, |
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| 154 | { ChkIntFormatInt , eIntFormatIntQOct, 8, 'Q', "octq" }, |
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| 155 | { ChkIntFormatIBM , eIntFormatIBMHHex, 16, 'H', "h'hex'" }, |
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| 156 | { ChkIntFormatIBM , eIntFormatIBMXHex, 16, 'X', "x'hex'" }, |
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| 157 | { ChkIntFormatIBM , eIntFormatIBMBin, 2, 'B', "b'bin'" }, |
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| 158 | { ChkIntFormatIBM , eIntFormatIBMOct, 8, 'O', "o'oct'" }, |
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| 159 | { ChkIntFormatIBM , eIntFormatIBMAsc, 256, 'A', "a'asc'" }, |
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| 160 | { ChkIntFormatCOct , eIntFormatCOct, 8, '0', "0oct" }, |
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| 161 | { ChkIntFormatNatHex, eIntFormatNatHex, 16, '0', "0hex" }, |
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| 162 | { ChkIntFormatDef , eIntFormatDefRadix,-1, '\0', "dec" }, /* -1 -> RadixBase */ |
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| 163 | { NULL , (tIntFormatId)0, 0, '\0', "" } |
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| 164 | }; |
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| 165 | |||
| 166 | /*!------------------------------------------------------------------------ |
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| 167 | * \fn GetIntConstIntelSuffix(unsigned Radix) |
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| 168 | * \brief return Intel-style suffix letter fitting to number system |
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| 169 | * \param Radix req'd number system |
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| 170 | * \return * to suffix string (may be empty) |
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| 171 | * ------------------------------------------------------------------------ */ |
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| 172 | |||
| 173 | const char *GetIntConstIntelSuffix(unsigned Radix) |
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| 174 | { |
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| 175 | static const char BaseLetters[3] = |
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| 176 | { |
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| 177 | 'B', 'O', 'H' |
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| 178 | }; |
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| 179 | unsigned BaseIdx; |
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| 180 | |||
| 181 | for (BaseIdx = 0; BaseIdx < as_array_size(BaseLetters); BaseIdx++) |
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| 182 | if (Radix == BaseVals[BaseIdx]) |
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| 183 | { |
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| 184 | static char Result[2] = { '\0', '\0' }; |
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| 185 | |||
| 186 | Result[0] = BaseLetters[BaseIdx] + (HexStartCharacter - 'A'); |
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| 187 | return Result; |
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| 188 | } |
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| 189 | return ""; |
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| 190 | } |
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| 191 | |||
| 192 | /*!------------------------------------------------------------------------ |
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| 193 | * \fn GetIntConstMotoPrefix(unsigned Radix) |
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| 194 | * \brief return Motorola-style prefix letter fitting to number system |
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| 195 | * \param Radix req'd number system |
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| 196 | * \return * to prefix string (may be empty) |
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| 197 | * ------------------------------------------------------------------------ */ |
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| 198 | |||
| 199 | const char *GetIntConstMotoPrefix(unsigned Radix) |
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| 200 | { |
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| 201 | static const char BaseIds[3] = |
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| 202 | { |
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| 203 | '%', '@', '$' |
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| 204 | }; |
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| 205 | unsigned BaseIdx; |
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| 206 | |||
| 207 | for (BaseIdx = 0; BaseIdx < as_array_size(BaseIds); BaseIdx++) |
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| 208 | if (Radix == BaseVals[BaseIdx]) |
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| 209 | { |
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| 210 | static char Result[2] = { '\0', '\0' }; |
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| 211 | |||
| 212 | Result[0] = BaseIds[BaseIdx]; |
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| 213 | return Result; |
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| 214 | } |
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| 215 | return ""; |
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| 216 | } |
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| 217 | |||
| 218 | /*!------------------------------------------------------------------------ |
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| 219 | * \fn GetIntConstCPrefix(unsigned Radix) |
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| 220 | * \brief return C-style prefix letter fitting to number system |
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| 221 | * \param Radix req'd number system |
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| 222 | * \return * to prefix string (may be empty) |
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| 223 | * ------------------------------------------------------------------------ */ |
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| 224 | |||
| 225 | const char *GetIntConstCPrefix(unsigned Radix) |
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| 226 | { |
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| 227 | static const char BaseIds[3][3] = |
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| 228 | { |
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| 229 | "0b", "0", "0x" |
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| 230 | }; |
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| 231 | unsigned BaseIdx; |
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| 232 | |||
| 233 | for (BaseIdx = 0; BaseIdx < as_array_size(BaseIds); BaseIdx++) |
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| 234 | if (Radix == BaseVals[BaseIdx]) |
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| 235 | return BaseIds[BaseIdx];; |
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| 236 | return ""; |
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| 237 | } |
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| 238 | |||
| 239 | /*!------------------------------------------------------------------------ |
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| 240 | * \fn GetIntConstIBMPrefix(unsigned Radix) |
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| 241 | * \brief return IBM-style prefix letter fitting to number system |
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| 242 | * \param Radix req'd number system |
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| 243 | * \return * to prefix string (may be empty) |
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| 244 | * ------------------------------------------------------------------------ */ |
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| 245 | |||
| 246 | const char *GetIntConstIBMPrefix(unsigned Radix) |
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| 247 | { |
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| 248 | static const char BaseIds[4] = |
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| 249 | { |
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| 250 | 'B', 'O', 'X', 'A' |
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| 251 | }; |
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| 252 | unsigned BaseIdx; |
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| 253 | |||
| 254 | for (BaseIdx = 0; BaseIdx < as_array_size(BaseIds); BaseIdx++) |
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| 255 | if (Radix == BaseVals[BaseIdx]) |
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| 256 | { |
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| 257 | static char Result[3] = { '\0', '\'', '\0' }; |
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| 258 | |||
| 259 | Result[0] = BaseIds[BaseIdx] + (HexStartCharacter - 'A'); |
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| 260 | return Result; |
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| 261 | } |
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| 262 | return ""; |
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| 263 | } |
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| 264 | |||
| 265 | /*!------------------------------------------------------------------------ |
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| 266 | * \fn GetIntConstIBMSuffix(unsigned Radix) |
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| 267 | * \brief return IBM-style suffix fitting to number system |
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| 268 | * \param Radix req'd number system |
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| 269 | * \return * to prefix string (may be empty) |
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| 270 | * ------------------------------------------------------------------------ */ |
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| 271 | |||
| 272 | const char *GetIntConstIBMSuffix(unsigned Radix) |
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| 273 | { |
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| 274 | unsigned BaseIdx; |
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| 275 | |||
| 276 | for (BaseIdx = 0; BaseIdx < as_array_size(BaseVals); BaseIdx++) |
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| 277 | if (Radix == BaseVals[BaseIdx]) |
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| 278 | return "\'"; |
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| 279 | return ""; |
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| 280 | } |
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| 281 | |||
| 282 | /*!------------------------------------------------------------------------ |
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| 283 | * \fn SetIntConstModeByMask(LongWord Mask) |
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| 284 | * \brief set new (non-relaxed) integer constant mode by bit mask |
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| 285 | * \param Mask modes to set |
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| 286 | * ------------------------------------------------------------------------ */ |
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| 287 | |||
| 288 | void SetIntConstModeByMask(LongWord Mask) |
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| 289 | { |
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| 290 | const tIntFormatList *pSrc; |
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| 291 | tIntFormatList *pDest; |
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| 292 | |||
| 293 | if (!IntFormatList) |
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| 294 | IntFormatList = (tIntFormatList*)malloc(sizeof(IntFormatList_All)); |
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| 295 | for (pDest = IntFormatList, pSrc = IntFormatList_All; pSrc->Check; pSrc++) |
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| 296 | { |
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| 297 | if (!((Mask >> pSrc->Id) & 1)) |
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| 298 | continue; |
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| 299 | *pDest++ = *pSrc; |
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| 300 | } |
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| 301 | memset(pDest, 0, sizeof(*pDest)); |
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| 302 | } |
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| 303 | |||
| 304 | /*!------------------------------------------------------------------------ |
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| 305 | * \fn ModifyIntConstModeByMask(LongWord ANDMask, LongWord ORMask) |
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| 306 | * \brief add or remove integer notations to/from native list |
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| 307 | * \param ANDMask notations to remove |
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| 308 | * \param ORMask notations to add |
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| 309 | * \return True if mask was set up successfully |
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| 310 | * ------------------------------------------------------------------------ */ |
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| 311 | |||
| 312 | #define BadMask ((1ul << eIntFormatCOct) | (1ul << eIntFormatNatHex)) |
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| 313 | |||
| 314 | Boolean ModifyIntConstModeByMask(LongWord ANDMask, LongWord ORMask) |
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| 315 | { |
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| 316 | LongWord NewMask = (NativeIntConstModeMask & ~ANDMask) | ORMask; |
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| 317 | |||
| 318 | if ((NewMask & BadMask) == BadMask) |
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| 319 | return False; |
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| 320 | else |
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| 321 | { |
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| 322 | NativeIntConstModeMask = NewMask; |
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| 323 | SetIntConstModeByMask(NativeIntConstModeMask | (RelaxedMode ? OtherIntConstModeMask : 0)); |
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| 324 | return True; |
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| 325 | } |
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| 326 | } |
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| 327 | |||
| 328 | /*!------------------------------------------------------------------------ |
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| 329 | * \fn SetIntConstMode(tIntConstMode Mode) |
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| 330 | * \brief set new (non-relaxed) integer constant mode |
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| 331 | * \param Mode mode to set |
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| 332 | * ------------------------------------------------------------------------ */ |
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| 333 | |||
| 334 | void SetIntConstMode(tIntConstMode Mode) |
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| 335 | { |
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| 336 | IntConstMode = Mode; |
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| 337 | switch (Mode) |
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| 338 | { |
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| 339 | case eIntConstModeC: |
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| 340 | NativeIntConstModeMask = eIntFormatMaskC; |
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| 341 | OtherIntConstModeMask = eIntFormatMaskIntel | eIntFormatMaskMoto | eIntFormatMaskIBM; |
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| 342 | break; |
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| 343 | case eIntConstModeIntel: |
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| 344 | NativeIntConstModeMask = eIntFormatMaskIntel; |
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| 345 | OtherIntConstModeMask = eIntFormatMaskC | eIntFormatMaskMoto | eIntFormatMaskIBM; |
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| 346 | break; |
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| 347 | case eIntConstModeMoto: |
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| 348 | NativeIntConstModeMask = eIntFormatMaskMoto; |
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| 349 | OtherIntConstModeMask = eIntFormatMaskC | eIntFormatMaskIntel | eIntFormatMaskIBM; |
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| 350 | break; |
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| 351 | case eIntConstModeIBM: |
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| 352 | NativeIntConstModeMask = eIntFormatMaskIBM; |
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| 353 | OtherIntConstModeMask = eIntFormatMaskC | eIntFormatMaskIntel | eIntFormatMaskMoto; |
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| 354 | break; |
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| 355 | default: |
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| 356 | NativeIntConstModeMask = 0; |
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| 357 | } |
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| 358 | NativeIntConstModeMask |= (1ul << eIntFormatDefRadix); |
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| 359 | SetIntConstModeByMask(NativeIntConstModeMask | (RelaxedMode ? OtherIntConstModeMask : 0)); |
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| 360 | } |
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| 361 | |||
| 362 | /*!------------------------------------------------------------------------ |
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| 363 | * \fn SetIntConstRelaxedMode(Boolean NewRelaxedMode) |
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| 364 | * \brief update relaxed mode - parser list |
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| 365 | * \param NewRelaxedMode mode to set |
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| 366 | * ------------------------------------------------------------------------ */ |
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| 367 | |||
| 368 | void SetIntConstRelaxedMode(Boolean NewRelaxedMode) |
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| 369 | { |
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| 370 | SetIntConstModeByMask(NativeIntConstModeMask | (NewRelaxedMode ? OtherIntConstModeMask : 0)); |
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| 371 | } |
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| 372 | |||
| 373 | /*!------------------------------------------------------------------------ |
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| 374 | * \fn GetIntFormatId(const char *pIdent) |
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| 375 | * \brief transform identifier to id |
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| 376 | * \param pIdent textual identifier |
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| 377 | * \return resulting Id or None if not found |
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| 378 | * ------------------------------------------------------------------------ */ |
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| 379 | |||
| 380 | tIntFormatId GetIntFormatId(const char *pIdent) |
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| 381 | { |
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| 382 | const tIntFormatList *pList; |
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| 383 | for (pList = IntFormatList_All; pList->Check; pList++) |
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| 384 | if (!as_strcasecmp(pIdent, pList->Ident)) |
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| 385 | return (tIntFormatId)pList->Id; |
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| 386 | return eIntFormatNone; |
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| 387 | } |
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| 388 | |||
| 389 | /*!------------------------------------------------------------------------ |
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| 390 | * \fn intformat_init(void) |
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| 391 | * \brief module initialization |
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| 392 | * ------------------------------------------------------------------------ */ |
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| 393 | |||
| 394 | void intformat_init(void) |
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| 395 | { |
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| 396 | /* Allow all int const modes for handling possible -D options: */ |
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| 397 | |||
| 398 | RelaxedMode = True; |
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| 399 | SetIntConstMode(eIntConstModeC); |
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| 400 | } |