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Rev | Author | Line No. | Line |
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1186 | savelij | 1 | /* operator.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-Portierung */ |
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6 | /* */ |
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7 | /* defintion of operators */ |
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8 | /* */ |
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9 | /*****************************************************************************/ |
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10 | |||
11 | #include <stdio.h> |
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12 | #include <math.h> |
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13 | |||
14 | #include "stdinc.h" |
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15 | #include "errmsg.h" |
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16 | #include "asmdef.h" |
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17 | #include "asmerr.h" |
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18 | #include "asmpars.h" |
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19 | #include "asmrelocs.h" |
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20 | #include "operator.h" |
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21 | |||
22 | #define PromoteLValFlags() \ |
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23 | do \ |
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24 | { \ |
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25 | if (pErg->Typ != TempNone) \ |
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26 | { \ |
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27 | pErg->Flags |= (pLVal->Flags & eSymbolFlags_Promotable); \ |
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28 | pErg->AddrSpaceMask |= pLVal->AddrSpaceMask; \ |
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29 | if (pErg->DataSize == eSymbolSizeUnknown) pErg->DataSize = pLVal->DataSize; \ |
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30 | } \ |
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31 | } \ |
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32 | while (0) |
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33 | |||
34 | #define PromoteRValFlags() \ |
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35 | do \ |
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36 | { \ |
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37 | if (pErg->Typ != TempNone) \ |
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38 | { \ |
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39 | pErg->Flags |= (pRVal->Flags & eSymbolFlags_Promotable); \ |
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40 | pErg->AddrSpaceMask |= pRVal->AddrSpaceMask; \ |
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41 | if (pErg->DataSize == eSymbolSizeUnknown) pErg->DataSize = pRVal->DataSize; \ |
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42 | } \ |
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43 | } \ |
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44 | while (0) |
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45 | |||
46 | #define PromoteLRValFlags() \ |
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47 | do \ |
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48 | { \ |
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49 | if (pErg->Typ != TempNone) \ |
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50 | { \ |
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51 | pErg->Flags |= ((pLVal->Flags | pRVal->Flags) & eSymbolFlags_Promotable); \ |
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52 | pErg->AddrSpaceMask |= pLVal->AddrSpaceMask | pRVal->AddrSpaceMask; \ |
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53 | if (pErg->DataSize == eSymbolSizeUnknown) pErg->DataSize = pLVal->DataSize; \ |
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54 | if (pErg->DataSize == eSymbolSizeUnknown) pErg->DataSize = pRVal->DataSize; \ |
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55 | } \ |
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56 | } \ |
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57 | while (0) |
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58 | |||
59 | /*!------------------------------------------------------------------------ |
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60 | * \fn reg_cmp(const tRegDescr *p_reg1, tSymbolSize data_size1, |
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61 | const tRegDescr *p_reg2, tSymbolSize data_size2) |
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62 | * \brief compare two register symbols |
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63 | * \param p_reg1, p_reg2 registers to compare |
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64 | * \return -1 : reg1 < reg2 |
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65 | * 0 : reg1 = reg2 |
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66 | * +1 : reg1 > reg2 |
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67 | * -2 : unequal, but no smaller/greater relation can be given |
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68 | * ------------------------------------------------------------------------ */ |
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69 | |||
70 | static int reg_cmp(const TempResult *p_val1, const TempResult *p_val2) |
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71 | { |
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72 | tRegInt num1, num2; |
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73 | |||
74 | /* If the two symbols are for different target architectures, |
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75 | they are for sure unequal, but no ordering criteria can be given: */ |
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76 | |||
77 | if ((p_val1->Contents.RegDescr.Dissect != p_val2->Contents.RegDescr.Dissect) |
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78 | || (p_val1->Contents.RegDescr.compare != p_val2->Contents.RegDescr.compare)) |
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79 | return -2; |
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80 | |||
81 | /* architecture-specific comparison function? */ |
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82 | |||
83 | if (p_val1->Contents.RegDescr.compare) |
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84 | return p_val1->Contents.RegDescr.compare(p_val1->Contents.RegDescr.Reg, p_val1->DataSize, |
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85 | p_val2->Contents.RegDescr.Reg, p_val2->DataSize); |
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86 | |||
87 | /* The generic comparison: If operand sizes differ, they are 'just unequal', |
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88 | otherwise compare register numbers: */ |
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89 | |||
90 | if (p_val1->DataSize != p_val2->DataSize) |
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91 | return -2; |
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92 | num1 = p_val1->Contents.RegDescr.Reg & ~REGSYM_FLAG_ALIAS; |
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93 | num2 = p_val2->Contents.RegDescr.Reg & ~REGSYM_FLAG_ALIAS; |
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94 | if (num1 < num2) |
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95 | return -1; |
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96 | else if (num1 > num2) |
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97 | return 1; |
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98 | else |
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99 | return 0; |
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100 | } |
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101 | |||
102 | static Boolean OneComplOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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103 | { |
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104 | UNUSED(pLVal); |
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105 | if (!pRVal) |
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106 | return False; |
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107 | |||
108 | as_tempres_set_int(pErg, ~(pRVal->Contents.Int)); |
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109 | PromoteLValFlags(); |
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110 | return True; |
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111 | } |
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112 | |||
113 | static Boolean ShLeftOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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114 | { |
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115 | if (!pLVal || !pRVal) |
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116 | return False; |
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117 | |||
118 | as_tempres_set_int(pErg, pLVal->Contents.Int << pRVal->Contents.Int); |
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119 | PromoteLRValFlags(); |
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120 | return True; |
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121 | } |
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122 | |||
123 | static Boolean ShRightOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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124 | { |
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125 | if (!pLVal || !pRVal) |
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126 | return False; |
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127 | |||
128 | as_tempres_set_int(pErg, pLVal->Contents.Int >> pRVal->Contents.Int); |
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129 | PromoteLRValFlags(); |
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130 | return True; |
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131 | } |
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132 | |||
133 | static Boolean BitMirrorOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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134 | { |
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135 | int z; |
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136 | |||
137 | if (!pLVal || !pRVal) |
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138 | return False; |
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139 | |||
140 | if ((pRVal->Contents.Int < 1) || (pRVal->Contents.Int > 32)) WrError(ErrNum_OverRange); |
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141 | else |
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142 | { |
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143 | LargeInt Result = (pLVal->Contents.Int >> pRVal->Contents.Int) << pRVal->Contents.Int; |
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144 | |||
145 | for (z = 0; z < pRVal->Contents.Int; z++) |
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146 | { |
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147 | if ((pLVal->Contents.Int & (1 << (pRVal->Contents.Int - 1 - z))) != 0) |
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148 | Result |= (1 << z); |
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149 | } |
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150 | as_tempres_set_int(pErg, Result); |
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151 | } |
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152 | PromoteLRValFlags(); |
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153 | return True; |
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154 | } |
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155 | |||
156 | static Boolean BinAndOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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157 | { |
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158 | if (!pLVal || !pRVal) |
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159 | return False; |
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160 | |||
161 | as_tempres_set_int(pErg, pLVal->Contents.Int & pRVal->Contents.Int); |
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162 | PromoteLRValFlags(); |
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163 | return True; |
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164 | } |
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165 | |||
166 | static Boolean BinOrOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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167 | { |
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168 | if (!pLVal || !pRVal) |
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169 | return False; |
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170 | |||
171 | as_tempres_set_int(pErg, pLVal->Contents.Int | pRVal->Contents.Int); |
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172 | PromoteLRValFlags(); |
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173 | return True; |
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174 | } |
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175 | |||
176 | static Boolean BinXorOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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177 | { |
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178 | if (!pLVal || !pRVal) |
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179 | return False; |
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180 | |||
181 | as_tempres_set_int(pErg, pLVal->Contents.Int ^ pRVal->Contents.Int); |
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182 | PromoteLRValFlags(); |
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183 | return True; |
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184 | } |
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185 | |||
186 | static Boolean PotOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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187 | { |
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188 | LargeInt HVal; |
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189 | |||
190 | if (!pLVal || !pRVal) |
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191 | return False; |
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192 | |||
193 | switch (pLVal->Typ) |
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194 | { |
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195 | case TempInt: |
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196 | if (pRVal->Contents.Int < 0) as_tempres_set_int(pErg, 0); |
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197 | else |
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198 | { |
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199 | LargeInt l = pLVal->Contents.Int, r = pRVal->Contents.Int; |
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200 | |||
201 | HVal = 1; |
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202 | while (r > 0) |
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203 | { |
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204 | if (r & 1) |
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205 | HVal *= l; |
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206 | r >>= 1; |
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207 | if (r) |
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208 | l *= l; |
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209 | } |
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210 | as_tempres_set_int(pErg, HVal); |
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211 | } |
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212 | break; |
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213 | case TempFloat: |
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214 | if (pRVal->Contents.Float == 0.0) |
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215 | as_tempres_set_float(pErg, 1.0); |
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216 | else if (pLVal->Contents.Float == 0.0) |
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217 | as_tempres_set_float(pErg, 0.0); |
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218 | else if (pLVal->Contents.Float > 0) |
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219 | as_tempres_set_float(pErg, pow(pLVal->Contents.Float, pRVal->Contents.Float)); |
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220 | else if ((as_fabs(pRVal->Contents.Float) <= ((as_float_t)MaxLongInt)) && (floor(pRVal->Contents.Float) == pRVal->Contents.Float)) |
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221 | { |
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222 | as_float_t Base = pLVal->Contents.Float, Result; |
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223 | |||
224 | HVal = (LongInt) floor(pRVal->Contents.Float + 0.5); |
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225 | if (HVal < 0) |
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226 | { |
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227 | Base = 1 / Base; |
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228 | HVal = -HVal; |
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229 | } |
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230 | Result = 1.0; |
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231 | while (HVal > 0) |
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232 | { |
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233 | if (HVal & 1) |
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234 | Result *= Base; |
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235 | Base *= Base; |
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236 | HVal >>= 1; |
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237 | } |
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238 | as_tempres_set_float(pErg, Result); |
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239 | } |
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240 | else |
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241 | { |
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242 | WrError(ErrNum_InvArgPair); |
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243 | pErg->Typ = TempNone; |
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244 | } |
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245 | break; |
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246 | default: |
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247 | break; |
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248 | } |
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249 | PromoteLRValFlags(); |
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250 | return True; |
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251 | } |
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252 | |||
253 | static Boolean MultOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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254 | { |
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255 | if (!pLVal || !pRVal) |
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256 | return False; |
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257 | |||
258 | switch (pLVal->Typ) |
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259 | { |
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260 | case TempInt: |
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261 | as_tempres_set_int(pErg, pLVal->Contents.Int * pRVal->Contents.Int); |
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262 | break; |
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263 | case TempFloat: |
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264 | as_tempres_set_float(pErg, pLVal->Contents.Float * pRVal->Contents.Float); |
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265 | break; |
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266 | default: |
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267 | break; |
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268 | } |
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269 | PromoteLRValFlags(); |
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270 | return True; |
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271 | } |
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272 | |||
273 | static Boolean DivOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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274 | { |
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275 | if (!pLVal || !pRVal) |
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276 | return False; |
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277 | |||
278 | switch (pLVal->Typ) |
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279 | { |
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280 | case TempInt: |
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281 | if (pRVal->Contents.Int == 0) WrError(ErrNum_DivByZero); |
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282 | else |
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283 | as_tempres_set_int(pErg, pLVal->Contents.Int / pRVal->Contents.Int); |
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284 | break; |
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285 | case TempFloat: |
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286 | if (pRVal->Contents.Float == 0.0) WrError(ErrNum_DivByZero); |
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287 | else |
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288 | as_tempres_set_float(pErg, pLVal->Contents.Float / pRVal->Contents.Float); |
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289 | default: |
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290 | break; |
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291 | } |
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292 | PromoteLRValFlags(); |
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293 | return True; |
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294 | } |
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295 | |||
296 | static Boolean ModOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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297 | { |
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298 | if (!pLVal || !pRVal) |
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299 | return False; |
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300 | |||
301 | if (pRVal->Contents.Int == 0) WrError(ErrNum_DivByZero); |
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302 | else |
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303 | as_tempres_set_int(pErg, pLVal->Contents.Int % pRVal->Contents.Int); |
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304 | PromoteLRValFlags(); |
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305 | return True; |
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306 | } |
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307 | |||
308 | /* TODO: handle return code of NonZString2Int() better */ |
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309 | |||
310 | static Boolean AddOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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311 | { |
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312 | if (!pLVal || !pRVal) |
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313 | return False; |
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314 | |||
315 | as_tempres_set_none(pErg); |
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316 | switch (pLVal->Typ) |
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317 | { |
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318 | case TempInt: |
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319 | switch (pRVal->Typ) |
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320 | { |
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321 | case TempInt: |
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322 | as_tempres_set_int(pErg, pLVal->Contents.Int + pRVal->Contents.Int); |
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323 | pErg->Relocs = MergeRelocs(&(pLVal->Relocs), &(pRVal->Relocs), TRUE); |
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324 | break; |
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325 | case TempString: |
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326 | { |
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327 | LargeInt RIntVal; |
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328 | tErrorNum error_num = NonZString2Int(&pRVal->Contents.str, &RIntVal); |
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329 | |||
330 | RIntVal += pLVal->Contents.Int; |
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331 | if (ErrNum_None == error_num) |
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332 | { |
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333 | if (RIntVal >= 0) |
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334 | { |
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335 | as_tempres_set_c_str(pErg, ""); |
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336 | Int2NonZString(&pErg->Contents.str, RIntVal); |
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337 | } |
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338 | else |
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339 | as_tempres_set_int(pErg, RIntVal); |
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340 | } |
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341 | else |
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342 | WrError(error_num); |
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343 | break; |
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344 | } |
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345 | default: |
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346 | break; |
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347 | } |
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348 | break; |
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349 | case TempFloat: |
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350 | if (TempFloat == pRVal->Typ) |
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351 | as_tempres_set_float(pErg, pLVal->Contents.Float + pRVal->Contents.Float); |
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352 | break; |
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353 | case TempString: |
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354 | { |
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355 | switch (pRVal->Typ) |
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356 | { |
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357 | case TempString: |
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358 | as_tempres_set_str(pErg, &pLVal->Contents.str); |
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359 | as_nonz_dynstr_append(&pErg->Contents.str, &pRVal->Contents.str); |
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360 | break; |
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361 | case TempInt: |
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362 | { |
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363 | LargeInt LIntVal; |
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364 | tErrorNum error_num = NonZString2Int(&pLVal->Contents.str, &LIntVal); |
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365 | |||
366 | if (ErrNum_None == error_num) |
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367 | { |
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368 | LIntVal += pRVal->Contents.Int; |
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369 | if (LIntVal >= 0) |
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370 | { |
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371 | as_tempres_set_c_str(pErg, ""); |
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372 | Int2NonZString(&pErg->Contents.str, LIntVal); |
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373 | } |
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374 | else |
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375 | as_tempres_set_int(pErg, LIntVal); |
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376 | } |
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377 | else |
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378 | WrError(error_num); |
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379 | break; |
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380 | } |
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381 | default: |
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382 | break; |
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383 | } |
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384 | break; |
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385 | } |
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386 | default: |
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387 | break; |
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388 | } |
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389 | PromoteLRValFlags(); |
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390 | return True; |
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391 | } |
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392 | |||
393 | static Boolean SubOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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394 | { |
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395 | if (!pLVal || !pRVal) |
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396 | return False; |
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397 | |||
398 | switch (pLVal->Typ) |
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399 | { |
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400 | case TempInt: |
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401 | as_tempres_set_int(pErg, pLVal->Contents.Int - pRVal->Contents.Int); |
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402 | break; |
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403 | case TempFloat: |
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404 | as_tempres_set_float(pErg, pLVal->Contents.Float - pRVal->Contents.Float); |
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405 | break; |
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406 | default: |
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407 | break; |
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408 | } |
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409 | PromoteLRValFlags(); |
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410 | return True; |
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411 | } |
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412 | |||
413 | static Boolean SubSglOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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414 | { |
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415 | UNUSED(pLVal); |
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416 | if (!pRVal) |
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417 | return False; |
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418 | |||
419 | switch (pLVal->Typ) |
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420 | { |
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421 | case TempInt: |
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422 | as_tempres_set_int(pErg, -pRVal->Contents.Int); |
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423 | break; |
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424 | case TempFloat: |
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425 | as_tempres_set_float(pErg, -pRVal->Contents.Float); |
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426 | break; |
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427 | default: |
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428 | break; |
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429 | } |
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430 | PromoteRValFlags(); |
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431 | return True; |
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432 | } |
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433 | |||
434 | static Boolean LogNotOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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435 | { |
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436 | UNUSED(pLVal); |
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437 | if (!pRVal) |
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438 | return False; |
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439 | |||
440 | as_tempres_set_int(pErg, pRVal->Contents.Int ? 0 : 1); |
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441 | PromoteLValFlags(); |
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442 | return True; |
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443 | } |
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444 | |||
445 | static Boolean LogAndOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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446 | { |
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447 | if (!pLVal) |
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448 | return False; |
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449 | |||
450 | /* short circuit evaluation: 0 && ... -> 0 */ |
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451 | |||
452 | if (!pRVal) |
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453 | { |
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454 | if (!pLVal->Contents.Int) |
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455 | { |
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456 | as_tempres_set_int(pErg, 0); |
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457 | PromoteLValFlags(); |
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458 | return True; |
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459 | } |
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460 | return False; |
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461 | } |
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462 | |||
463 | as_tempres_set_int(pErg, (pLVal->Contents.Int && pRVal->Contents.Int) ? 1 : 0); |
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464 | PromoteLRValFlags(); |
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465 | return True; |
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466 | } |
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467 | |||
468 | static Boolean LogOrOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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469 | { |
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470 | if (!pLVal) |
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471 | return False; |
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472 | |||
473 | /* short circuit evaluation: 1 || ... -> 1 */ |
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474 | |||
475 | if (!pRVal) |
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476 | { |
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477 | if (pLVal->Contents.Int) |
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478 | { |
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479 | as_tempres_set_int(pErg, 1); |
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480 | PromoteLValFlags(); |
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481 | return True; |
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482 | } |
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483 | return False; |
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484 | } |
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485 | |||
486 | as_tempres_set_int(pErg, (pLVal->Contents.Int || pRVal->Contents.Int) ? 1 : 0); |
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487 | PromoteLRValFlags(); |
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488 | return True; |
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489 | } |
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490 | |||
491 | static Boolean LogXorOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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492 | { |
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493 | if (!pLVal || !pRVal) |
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494 | return False; |
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495 | |||
496 | as_tempres_set_int(pErg, ((pLVal->Contents.Int != 0) != (pRVal->Contents.Int != 0)) ? 1 : 0); |
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497 | PromoteLRValFlags(); |
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498 | return True; |
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499 | } |
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500 | |||
501 | static Boolean EqOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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502 | { |
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503 | if (!pLVal || !pRVal) |
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504 | return False; |
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505 | |||
506 | switch (pLVal->Typ) |
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507 | { |
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508 | case TempInt: |
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509 | as_tempres_set_int(pErg, (pLVal->Contents.Int == pRVal->Contents.Int) ? 1 : 0); |
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510 | break; |
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511 | case TempFloat: |
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512 | as_tempres_set_int(pErg, (pLVal->Contents.Float == pRVal->Contents.Float) ? 1 : 0); |
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513 | break; |
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514 | case TempString: |
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515 | as_tempres_set_int(pErg, (as_nonz_dynstr_cmp(&pLVal->Contents.str, &pRVal->Contents.str) == 0) ? 1 : 0); |
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516 | break; |
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517 | case TempReg: |
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518 | as_tempres_set_int(pErg, 0 == reg_cmp(pLVal, pRVal)); |
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519 | break; |
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520 | default: |
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521 | break; |
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522 | } |
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523 | PromoteLRValFlags(); |
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524 | return True; |
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525 | } |
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526 | |||
527 | static Boolean GtOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
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528 | { |
||
529 | if (!pLVal || !pRVal) |
||
530 | return False; |
||
531 | |||
532 | switch (pLVal->Typ) |
||
533 | { |
||
534 | case TempInt: |
||
535 | as_tempres_set_int(pErg, (pLVal->Contents.Int > pRVal->Contents.Int) ? 1 : 0); |
||
536 | break; |
||
537 | case TempFloat: |
||
538 | as_tempres_set_int(pErg, (pLVal->Contents.Float > pRVal->Contents.Float) ? 1 : 0); |
||
539 | break; |
||
540 | case TempString: |
||
541 | as_tempres_set_int(pErg, (as_nonz_dynstr_cmp(&pLVal->Contents.str, &pRVal->Contents.str) > 0) ? 1 : 0); |
||
542 | break; |
||
543 | case TempReg: |
||
544 | as_tempres_set_int(pErg, reg_cmp(pLVal, pRVal) == 1); |
||
545 | break; |
||
546 | default: |
||
547 | break; |
||
548 | } |
||
549 | PromoteLRValFlags(); |
||
550 | return True; |
||
551 | } |
||
552 | |||
553 | static Boolean LtOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
||
554 | { |
||
555 | if (!pLVal || !pRVal) |
||
556 | return False; |
||
557 | |||
558 | switch (pLVal->Typ) |
||
559 | { |
||
560 | case TempInt: |
||
561 | as_tempres_set_int(pErg, (pLVal->Contents.Int < pRVal->Contents.Int) ? 1 : 0); |
||
562 | break; |
||
563 | case TempFloat: |
||
564 | as_tempres_set_int(pErg, (pLVal->Contents.Float < pRVal->Contents.Float) ? 1 : 0); |
||
565 | break; |
||
566 | case TempString: |
||
567 | as_tempres_set_int(pErg, (as_nonz_dynstr_cmp(&pLVal->Contents.str, &pRVal->Contents.str) < 0) ? 1 : 0); |
||
568 | break; |
||
569 | case TempReg: |
||
570 | as_tempres_set_int(pErg, reg_cmp(pLVal, pRVal) == -1); |
||
571 | break; |
||
572 | default: |
||
573 | break; |
||
574 | } |
||
575 | PromoteLRValFlags(); |
||
576 | return True; |
||
577 | } |
||
578 | |||
579 | static Boolean LeOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
||
580 | { |
||
581 | if (!pLVal || !pRVal) |
||
582 | return False; |
||
583 | |||
584 | switch (pLVal->Typ) |
||
585 | { |
||
586 | case TempInt: |
||
587 | as_tempres_set_int(pErg, (pLVal->Contents.Int <= pRVal->Contents.Int) ? 1 : 0); |
||
588 | break; |
||
589 | case TempFloat: |
||
590 | as_tempres_set_int(pErg, (pLVal->Contents.Float <= pRVal->Contents.Float) ? 1 : 0); |
||
591 | break; |
||
592 | case TempString: |
||
593 | as_tempres_set_int(pErg, (as_nonz_dynstr_cmp(&pLVal->Contents.str, &pRVal->Contents.str) <= 0) ? 1 : 0); |
||
594 | break; |
||
595 | case TempReg: |
||
596 | { |
||
597 | int cmp_res = reg_cmp(pLVal, pRVal); |
||
598 | as_tempres_set_int(pErg, (cmp_res == -1) || (cmp_res == 0)); |
||
599 | break; |
||
600 | } |
||
601 | default: |
||
602 | break; |
||
603 | } |
||
604 | PromoteLRValFlags(); |
||
605 | return True; |
||
606 | } |
||
607 | |||
608 | static Boolean GeOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
||
609 | { |
||
610 | if (!pLVal || !pRVal) |
||
611 | return False; |
||
612 | |||
613 | switch (pLVal->Typ) |
||
614 | { |
||
615 | case TempInt: |
||
616 | as_tempres_set_int(pErg, (pLVal->Contents.Int >= pRVal->Contents.Int) ? 1 : 0); |
||
617 | break; |
||
618 | case TempFloat: |
||
619 | as_tempres_set_int(pErg, (pLVal->Contents.Float >= pRVal->Contents.Float) ? 1 : 0); |
||
620 | break; |
||
621 | case TempString: |
||
622 | as_tempres_set_int(pErg, (as_nonz_dynstr_cmp(&pLVal->Contents.str, &pRVal->Contents.str) >= 0) ? 1 : 0); |
||
623 | break; |
||
624 | case TempReg: |
||
625 | { |
||
626 | int cmp_res = reg_cmp(pLVal, pRVal); |
||
627 | as_tempres_set_int(pErg, (cmp_res == 1) || (cmp_res == 0)); |
||
628 | break; |
||
629 | } |
||
630 | default: |
||
631 | break; |
||
632 | } |
||
633 | PromoteLRValFlags(); |
||
634 | return True; |
||
635 | } |
||
636 | |||
637 | static Boolean UneqOp(TempResult *pErg, TempResult *pLVal, TempResult *pRVal) |
||
638 | { |
||
639 | if (!pLVal || !pRVal) |
||
640 | return False; |
||
641 | |||
642 | switch (pLVal->Typ) |
||
643 | { |
||
644 | case TempInt: |
||
645 | as_tempres_set_int(pErg, (pLVal->Contents.Int != pRVal->Contents.Int) ? 1 : 0); |
||
646 | break; |
||
647 | case TempFloat: |
||
648 | as_tempres_set_int(pErg, (pLVal->Contents.Float != pRVal->Contents.Float) ? 1 : 0); |
||
649 | break; |
||
650 | case TempString: |
||
651 | as_tempres_set_int(pErg, (as_nonz_dynstr_cmp(&pLVal->Contents.str, &pRVal->Contents.str) != 0) ? 1 : 0); |
||
652 | break; |
||
653 | case TempReg: |
||
654 | as_tempres_set_int(pErg, reg_cmp(pLVal, pRVal) != 0); |
||
655 | break; |
||
656 | default: |
||
657 | break; |
||
658 | } |
||
659 | PromoteLRValFlags(); |
||
660 | return True; |
||
661 | } |
||
662 | |||
663 | #define Int2Int (TempInt | (TempInt << 4) ) |
||
664 | #define Float2Float (TempFloat | (TempFloat << 4) ) |
||
665 | #define String2String (TempString | (TempString << 4)) |
||
666 | #define Reg2Reg (TempReg | (TempReg << 4) ) |
||
667 | #define Int2String (TempInt | (TempString << 4)) |
||
668 | #define String2Int (TempString | (TempInt << 4) ) |
||
669 | |||
670 | const as_operator_t operators[] = |
||
671 | { |
||
672 | {"~" , 1 , e_op_monadic, 1, { TempInt << 4, 0, 0, 0, 0 }, OneComplOp}, |
||
673 | {"<<", 2 , e_op_dyadic , 3, { Int2Int, 0, 0, 0, 0 }, ShLeftOp}, |
||
674 | {">>", 2 , e_op_dyadic , 3, { Int2Int, 0, 0, 0, 0 }, ShRightOp}, |
||
675 | {"><", 2 , e_op_dyadic , 4, { Int2Int, 0, 0, 0, 0 }, BitMirrorOp}, |
||
676 | {"&" , 1 , e_op_dyadic , 5, { Int2Int, 0, 0, 0, 0 }, BinAndOp}, |
||
677 | {"|" , 1 , e_op_dyadic , 6, { Int2Int, 0, 0, 0, 0 }, BinOrOp}, |
||
678 | {"!" , 1 , e_op_dyadic , 7, { Int2Int, 0, 0, 0, 0 }, BinXorOp}, |
||
679 | {"^" , 1 , e_op_dyadic , 8, { Int2Int, Float2Float, 0, 0, 0 }, PotOp}, |
||
680 | {"*" , 1 , e_op_dyadic , 11, { Int2Int, Float2Float, 0, 0, 0 }, MultOp}, |
||
681 | {"/" , 1 , e_op_dyadic , 11, { Int2Int, Float2Float, 0, 0, 0 }, DivOp}, |
||
682 | {"#" , 1 , e_op_dyadic , 11, { Int2Int, 0, 0, 0, 0 }, ModOp}, |
||
683 | {"+" , 1 , e_op_dyadic , 13, { Int2Int, Float2Float, String2String, Int2String, String2Int }, AddOp}, |
||
684 | /* minus may have one or two operands */ |
||
685 | {"-" , 1 , e_op_dyadic , 13, { Int2Int, Float2Float, 0, 0, 0 }, SubOp}, |
||
686 | {"-" , 1 , e_op_monadic, 13, { TempInt << 4, TempFloat << 4, 0, 0, 0 }, SubSglOp}, |
||
687 | {"~~", 2 , e_op_monadic, 2, { TempInt << 4, 0, 0, 0, 0 }, LogNotOp}, |
||
688 | {"&&", 2 , e_op_dyadic_short , 15, { Int2Int, 0, 0, 0, 0 }, LogAndOp}, |
||
689 | {"||", 2 , e_op_dyadic_short , 16, { Int2Int, 0, 0, 0, 0 }, LogOrOp}, |
||
690 | {"!!", 2 , e_op_dyadic , 17, { Int2Int, 0, 0, 0, 0 }, LogXorOp}, |
||
691 | {"=" , 1 , e_op_dyadic , 23, { Int2Int, Float2Float, String2String, Reg2Reg, 0 }, EqOp}, |
||
692 | {"==", 2 , e_op_dyadic , 23, { Int2Int, Float2Float, String2String, Reg2Reg, 0 }, EqOp}, |
||
693 | {">" , 1 , e_op_dyadic , 23, { Int2Int, Float2Float, String2String, Reg2Reg, 0 }, GtOp}, |
||
694 | {"<" , 1 , e_op_dyadic , 23, { Int2Int, Float2Float, String2String, Reg2Reg, 0 }, LtOp}, |
||
695 | {"<=", 2 , e_op_dyadic , 23, { Int2Int, Float2Float, String2String, Reg2Reg, 0 }, LeOp}, |
||
696 | {">=", 2 , e_op_dyadic , 23, { Int2Int, Float2Float, String2String, Reg2Reg, 0 }, GeOp}, |
||
697 | {"<>", 2 , e_op_dyadic , 23, { Int2Int, Float2Float, String2String, Reg2Reg, 0 }, UneqOp}, |
||
698 | {"!=", 2 , e_op_dyadic , 23, { Int2Int, Float2Float, String2String, Reg2Reg, 0 }, UneqOp}, |
||
699 | /* termination marker */ |
||
700 | {NULL, 0 , e_op_monadic, 0, { 0, 0, 0, 0, 0 }, NULL} |
||
701 | }; |
||
702 | |||
703 | const as_operator_t no_operators[] = |
||
704 | { |
||
705 | {NULL, 0 , e_op_monadic, 0, { 0, 0, 0, 0, 0 }, NULL} |
||
706 | }; |
||
707 | |||
708 | const as_operator_t *target_operators = no_operators; |