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annotate dmd/StringExp.d @ 98:5c859d5fbe27

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author Trass3r
date Tue, 31 Aug 2010 03:53:49 +0200
parents df6d0f967680
children 6da99741178e
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5
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1 module dmd.StringExp;
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2
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3 import dmd.Expression;
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4 import dmd.backend.elem;
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5 import dmd.InterState;
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6 import dmd.TypeSArray;
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7 import dmd.CastExp;
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8 import dmd.MATCH;
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9 import dmd.TY;
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10 import dmd.TypeDArray;
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11 import dmd.Type;
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12 import dmd.TOK;
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13 import dmd.Module;
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14 import dmd.OutBuffer;
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15 import dmd.Loc;
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16 import dmd.Scope;
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17 import dmd.IRState;
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18 import dmd.StringExp;
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19 import dmd.HdrGenState;
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20 import dmd.Utf;
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21 import dmd.Util;
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22 import dmd.WANT;
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23 import dmd.backend.dt_t;
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24 import dmd.backend.Symbol;
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25 import dmd.backend.StringTab;
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26 import dmd.backend.Util;
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27 import dmd.backend.SC;
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28 import dmd.backend.TYM;
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29 import dmd.backend.FL;
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30 import dmd.backend.TYPE;
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31 import dmd.backend.OPER;
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32
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33 import dmd.Dsymbol : isExpression;
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34
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35 import core.memory;
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36
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37 import core.stdc.string;
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38 import core.stdc.stdlib;
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39 import core.stdc.ctype;
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40
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41 class StringExp : Expression
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42 {
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43 void* string_; // char, wchar, or dchar data
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44 size_t len; // number of chars, wchars, or dchars
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45 ubyte sz; // 1: char, 2: wchar, 4: dchar
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46 ubyte committed; // !=0 if type is committed
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47 ubyte postfix; // 'c', 'w', 'd'
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48
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49 this(Loc loc, string s)
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50 {
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51 this(loc, s, 0);
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52 }
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53
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54 this(Loc loc, string s, ubyte postfix)
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55 {
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56 super(loc, TOK.TOKstring, StringExp.sizeof);
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57
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58 this.string_ = cast(void*)s.ptr;
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59 this.len = s.length;
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60 this.sz = 1;
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61 this.committed = 0;
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62 this.postfix = postfix;
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63 }
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64
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65 override bool equals(Object o)
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66 {
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67 Expression e;
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68 //printf("StringExp.equals('%s')\n", o.toChars());
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69 if (o && ((e = isExpression(o)) !is null))
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70 {
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71 if (e.op == TOKstring)
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72 {
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73 return opCmp(o) == 0;
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74 }
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75 }
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76
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77 return false;
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78 }
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79
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80 override string toChars()
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81 {
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82 scope OutBuffer buf = new OutBuffer();
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83 HdrGenState hgs;
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84 char *p;
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85
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86 memset(&hgs, 0, hgs.sizeof);
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87 toCBuffer(buf, &hgs);
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88 buf.writeByte(0);
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89 return buf.extractString();
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90 }
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91
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92 override Expression semantic(Scope sc)
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93 {
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94 version (LOGSEMANTIC) {
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95 printf("StringExp.semantic() %s\n", toChars());
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96 }
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97 if (!type)
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98 {
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99 scope OutBuffer buffer = new OutBuffer();
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100 size_t newlen = 0;
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101 string p;
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102 size_t u;
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103 dchar c;
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104
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105 switch (postfix)
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106 {
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107 case 'd':
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108 for (u = 0; u < len;)
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109 {
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110 p = utf_decodeChar(cast(string)string_[0..len], &u, &c);
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111 if (p !is null)
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112 {
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113 error("%s", p);
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114 break;
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115 }
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116 else
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117 {
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118 buffer.write4(c);
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119 newlen++;
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120 }
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121 }
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122 buffer.write4(0);
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123 string_ = buffer.extractData();
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124 len = newlen;
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125 sz = 4;
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126 //type = new TypeSArray(Type.tdchar, new IntegerExp(loc, len, Type.tindex));
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127 type = new TypeDArray(Type.tdchar.invariantOf());
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128 committed = 1;
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129 break;
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130
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131 case 'w':
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132 for (u = 0; u < len;)
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133 {
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134 p = utf_decodeChar(cast(string)string_[0..len], &u, &c);
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135 if (p !is null)
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136 {
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137 error("%s", p);
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138 break;
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139 }
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140 else
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141 {
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142 buffer.writeUTF16(c);
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143 newlen++;
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144 if (c >= 0x10000)
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145 newlen++;
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146 }
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147 }
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148 buffer.writeUTF16(0);
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149 string_ = buffer.extractData();
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150 len = newlen;
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151 sz = 2;
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152 //type = new TypeSArray(Type.twchar, new IntegerExp(loc, len, Type.tindex));
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153 type = new TypeDArray(Type.twchar.invariantOf());
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154 committed = 1;
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155 break;
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156
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157 case 'c':
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158 committed = 1;
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159 default:
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160 //type = new TypeSArray(Type.tchar, new IntegerExp(loc, len, Type.tindex));
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161 type = new TypeDArray(Type.tchar.invariantOf());
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162 break;
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163 }
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164 type = type.semantic(loc, sc);
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165 //type = type.invariantOf();
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166 //printf("type = %s\n", type.toChars());
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167 }
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168 return this;
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169 }
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170
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171 override Expression interpret(InterState istate)
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172 {
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173 version (LOG) {
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174 printf("StringExp.interpret() %.*s\n", toChars());
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175 }
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176 return this;
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177 }
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178
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179 /**********************************
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180 * Return length of string.
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181 */
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182 size_t length()
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183 {
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184 size_t result = 0;
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185 dchar c;
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186 string p;
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187
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188 switch (sz)
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189 {
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190 case 1:
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191 for (size_t u = 0; u < len;)
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192 {
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193 p = utf_decodeChar(cast(string)string_[0..len], &u, &c);
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194 if (p)
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195 {
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196 error("%s", p);
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197 break;
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diff changeset
198 }
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diff changeset
199 else
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200 result++;
0bd8afbaffd7 StringExp.length & StringExp.toUTF8
korDen
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diff changeset
201 }
0bd8afbaffd7 StringExp.length & StringExp.toUTF8
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diff changeset
202 break;
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203
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diff changeset
204 case 2:
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205 for (size_t u = 0; u < len;)
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206 {
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diff changeset
207 p = utf_decodeWchar(cast(wstring)string_[0..len], &u, &c);
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208 if (p)
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diff changeset
209 { error("%s", p);
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210 break;
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diff changeset
211 }
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diff changeset
212 else
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213 result++;
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diff changeset
214 }
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diff changeset
215 break;
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diff changeset
216
0bd8afbaffd7 StringExp.length & StringExp.toUTF8
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diff changeset
217 case 4:
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diff changeset
218 result = len;
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219 break;
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220
0bd8afbaffd7 StringExp.length & StringExp.toUTF8
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221 default:
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222 assert(0);
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223 }
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224 return result;
0
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225 }
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226
48
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227 /****************************************
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228 * Convert string to char[].
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229 */
0
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230 StringExp toUTF8(Scope sc)
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231 {
48
0bd8afbaffd7 StringExp.length & StringExp.toUTF8
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diff changeset
232 if (sz != 1)
0bd8afbaffd7 StringExp.length & StringExp.toUTF8
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diff changeset
233 {
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diff changeset
234 // Convert to UTF-8 string
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235 committed = 0;
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diff changeset
236 Expression e = castTo(sc, Type.tchar.arrayOf());
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237 e = e.optimize(WANTvalue);
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238 assert(e.op == TOKstring);
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239 StringExp se = cast(StringExp)e;
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diff changeset
240 assert(se.sz == 1);
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diff changeset
241 return se;
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diff changeset
242 }
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diff changeset
243 return this;
0
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244 }
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245
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246 override Expression implicitCastTo(Scope sc, Type t)
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247 {
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248 //printf("StringExp.implicitCastTo(%s of type %s) => %s\n", toChars(), type.toChars(), t.toChars());
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249 ubyte committed = this.committed;
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diff changeset
250 Expression e = Expression.implicitCastTo(sc, t);
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diff changeset
251 if (e.op == TOK.TOKstring)
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diff changeset
252 {
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253 // Retain polysemous nature if it started out that way
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diff changeset
254 (cast(StringExp)e).committed = committed;
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diff changeset
255 }
0
10317f0c89a5 Initial commit
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256 return e;
10317f0c89a5 Initial commit
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257 }
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258
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259 override MATCH implicitConvTo(Type t)
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260 {
5
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261 MATCH m;
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diff changeset
262
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
263 static if (false) {
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diff changeset
264 printf("StringExp.implicitConvTo(this=%s, committed=%d, type=%s, t=%s)\n",
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
265 toChars(), committed, type.toChars(), t.toChars());
0
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266 }
5
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diff changeset
267 if (!committed)
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diff changeset
268 {
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diff changeset
269 if (!committed && t.ty == TY.Tpointer && t.nextOf().ty == TY.Tvoid)
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diff changeset
270 {
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diff changeset
271 return MATCH.MATCHnomatch;
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diff changeset
272 }
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diff changeset
273 if (type.ty == TY.Tsarray || type.ty == TY.Tarray || type.ty == TY.Tpointer)
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diff changeset
274 {
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275 TY tyn = type.nextOf().ty;
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diff changeset
276 if (tyn == TY.Tchar || tyn == TY.Twchar || tyn == TY.Tdchar)
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diff changeset
277 {
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diff changeset
278 Type tn;
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diff changeset
279 MATCH mm;
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280
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diff changeset
281 switch (t.ty)
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diff changeset
282 {
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diff changeset
283 case TY.Tsarray:
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diff changeset
284 if (type.ty == TY.Tsarray)
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diff changeset
285 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
286 if ((cast(TypeSArray)type).dim.toInteger() !=
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dkoroskin <>
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diff changeset
287 (cast(TypeSArray)t).dim.toInteger())
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288 return MATCH.MATCHnomatch;
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diff changeset
289 TY tynto = t.nextOf().ty;
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diff changeset
290 if (tynto == TY.Tchar || tynto == TY.Twchar || tynto == TY.Tdchar)
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diff changeset
291 return MATCH.MATCHexact;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
292 }
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diff changeset
293 else if (type.ty == TY.Tarray)
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diff changeset
294 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
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diff changeset
295 if (length() > (cast(TypeSArray)t).dim.toInteger())
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diff changeset
296 return MATCH.MATCHnomatch;
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diff changeset
297 TY tynto = t.nextOf().ty;
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diff changeset
298 if (tynto == TY.Tchar || tynto == TY.Twchar || tynto == TY.Tdchar)
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diff changeset
299 return MATCH.MATCHexact;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
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diff changeset
300 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
301 case TY.Tarray:
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dkoroskin <>
parents: 4
diff changeset
302 case TY.Tpointer:
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parents: 4
diff changeset
303 tn = t.nextOf();
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diff changeset
304 mm = MATCH.MATCHexact;
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dkoroskin <>
parents: 4
diff changeset
305 if (type.nextOf().mod != tn.mod)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
306 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
307 if (!tn.isConst())
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diff changeset
308 return MATCH.MATCHnomatch;
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dkoroskin <>
parents: 4
diff changeset
309 mm = MATCH.MATCHconst;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
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diff changeset
310 }
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diff changeset
311 switch (tn.ty)
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dkoroskin <>
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diff changeset
312 {
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parents: 4
diff changeset
313 case TY.Tchar:
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dkoroskin <>
parents: 4
diff changeset
314 case TY.Twchar:
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diff changeset
315 case TY.Tdchar:
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diff changeset
316 return mm;
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diff changeset
317 }
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diff changeset
318 break;
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diff changeset
319 default:
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diff changeset
320 break; ///
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dkoroskin <>
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diff changeset
321 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
322 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
323 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
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diff changeset
324 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
325 return Expression.implicitConvTo(t);
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diff changeset
326 static if (false) {
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parents: 4
diff changeset
327 m = cast(MATCH)type.implicitConvTo(t);
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diff changeset
328 if (m)
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dkoroskin <>
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diff changeset
329 {
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diff changeset
330 return m;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
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diff changeset
331 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
332
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
333 return MATCH.MATCHnomatch;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
334 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
335 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
336
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
337 static uint X(TY tf, TY tt) {
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diff changeset
338 return ((tf) * 256 + (tt));
0
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339 }
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340
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diff changeset
341 override Expression castTo(Scope sc, Type t)
5
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dkoroskin <>
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diff changeset
342 {
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diff changeset
343 /* This follows copy-on-write; any changes to 'this'
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diff changeset
344 * will result in a copy.
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diff changeset
345 * The this.string member is considered immutable.
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diff changeset
346 */
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diff changeset
347 int copied = 0;
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diff changeset
348
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diff changeset
349 //printf("StringExp.castTo(t = %s), '%s' committed = %d\n", t.toChars(), toChars(), committed);
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diff changeset
350
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
351 if (!committed && t.ty == TY.Tpointer && t.nextOf().ty == TY.Tvoid)
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dkoroskin <>
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diff changeset
352 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
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diff changeset
353 error("cannot convert string literal to void*");
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
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diff changeset
354 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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parents: 4
diff changeset
355
98
5c859d5fbe27 and more
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diff changeset
356 StringExp se = this;
5
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
357 if (!committed)
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dkoroskin <>
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diff changeset
358 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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parents: 4
diff changeset
359 se = cast(StringExp)copy();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
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diff changeset
360 se.committed = 1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
361 copied = 1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
362 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
363
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
364 if (type == t)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
365 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
366 return se;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
367 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
368
98
5c859d5fbe27 and more
Trass3r
parents: 93
diff changeset
369 Type tb = t.toBasetype();
5
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
370 //printf("\ttype = %s\n", type.toChars());
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
371 if (tb.ty == TY.Tdelegate && type.toBasetype().ty != TY.Tdelegate)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
372 return Expression.castTo(sc, t);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
373
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
374 Type typeb = type.toBasetype();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
375 if (typeb == tb)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
376 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
377 if (!copied)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
378 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
379 se = cast(StringExp)copy();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
380 copied = 1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
381 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
382 se.type = t;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
383 return se;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
384 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
385
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
386 if (committed && tb.ty == TY.Tsarray && typeb.ty == TY.Tarray)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
387 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
388 se = cast(StringExp)copy();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
389 se.sz = cast(ubyte)tb.nextOf().size();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
390 se.len = (len * sz) / se.sz;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
391 se.committed = 1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
392 se.type = t;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
393 return se;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
394 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
395
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
396 if (tb.ty != TY.Tsarray && tb.ty != TY.Tarray && tb.ty != TY.Tpointer)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
397 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
398 if (!copied)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
399 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
400 se = cast(StringExp)copy();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
401 copied = 1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
402 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
403 goto Lcast;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
404 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
405 if (typeb.ty != TY.Tsarray && typeb.ty != TY.Tarray && typeb.ty != TY.Tpointer)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
406 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
407 if (!copied)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
408 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
409 se = cast(StringExp)copy();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
410 copied = 1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
411 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
412 goto Lcast;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
413 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
414
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
415 if (typeb.nextOf().size() == tb.nextOf().size())
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
416 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
417 if (!copied)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
418 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
419 se = cast(StringExp)copy();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
420 copied = 1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
421 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
422
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
423 if (tb.ty == TY.Tsarray)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
424 goto L2; // handle possible change in static array dimension
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
425 se.type = t;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
426 return se;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
427 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
428
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
429 if (committed)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
430 goto Lcast;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
431
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
432 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
433 scope OutBuffer buffer = new OutBuffer();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
434 size_t newlen = 0;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
435 TY tfty = typeb.nextOf().toBasetype().ty;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
436 TY ttty = tb.nextOf().toBasetype().ty;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
437 switch (X(tfty, ttty))
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
438 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
439 case X(TY.Tchar, TY.Tchar):
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
440 case X(TY.Twchar,TY.Twchar):
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
441 case X(TY.Tdchar,TY.Tdchar):
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
442 break;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
443
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
444 case X(TY.Tchar, TY.Twchar):
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
445 for (size_t u = 0; u < len;)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
446 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
447 dchar c;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
448 string p = utf_decodeChar(cast(string)se.string_[0..len], &u, &c);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
449 if (p !is null)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
450 error("%s", p);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
451 else
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
452 buffer.writeUTF16(c);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
453 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
454 newlen = buffer.offset / 2;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
455 buffer.writeUTF16(0);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
456 goto L1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
457
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
458 case X(TY.Tchar, TY.Tdchar):
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
459 for (size_t u = 0; u < len;)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
460 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
461 dchar c;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
462 string p = utf_decodeChar(cast(string)se.string_[0..len], &u, &c);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
463 if (p !is null)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
464 error("%s", p);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
465 buffer.write4(c);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
466 newlen++;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
467 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
468 buffer.write4(0);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
469 goto L1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
470
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
471 case X(TY.Twchar,TY.Tchar):
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
472 for (size_t u = 0; u < len;)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
473 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
474 dchar c;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
475 string p = utf_decodeWchar(cast(wstring)se.string_[0..len], &u, &c);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
476 if (p)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
477 error("%s", p);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
478 else
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
479 buffer.writeUTF8(c);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
480 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
481 newlen = buffer.offset;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
482 buffer.writeUTF8(0);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
483 goto L1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
484
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
485 case X(TY.Twchar,TY.Tdchar):
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
486 for (size_t u = 0; u < len;)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
487 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
488 dchar c;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
489 string p = utf_decodeWchar(cast(wstring)se.string_[0..len], &u, &c);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
490 if (p)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
491 error("%s", p);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
492 buffer.write4(c);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
493 newlen++;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
494 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
495 buffer.write4(0);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
496 goto L1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
497
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
498 case X(TY.Tdchar,TY.Tchar):
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
499 for (size_t u = 0; u < len; u++)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
500 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
501 dchar c = (cast(dchar*)se.string_)[u];
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
502 if (!utf_isValidDchar(c))
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
503 error("invalid UCS-32 char \\U%08x", c);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
504 else
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
505 buffer.writeUTF8(c);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
506 newlen++;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
507 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
508 newlen = buffer.offset;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
509 buffer.writeUTF8(0);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
510 goto L1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
511
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
512 case X(TY.Tdchar,TY.Twchar):
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
513 for (size_t u = 0; u < len; u++)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
514 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
515 dchar c = (cast(dchar*)se.string_)[u];
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
516 if (!utf_isValidDchar(c))
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
517 error("invalid UCS-32 char \\U%08x", c);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
518 else
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
519 buffer.writeUTF16(c);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
520 newlen++;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
521 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
522 newlen = buffer.offset / 2;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
523 buffer.writeUTF16(0);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
524 goto L1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
525
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
526 L1:
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
527 if (!copied)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
528 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
529 se = cast(StringExp)copy();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
530 copied = 1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
531 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
532 se.string_ = buffer.extractData();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
533 se.len = newlen;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
534 se.sz = cast(ubyte)tb.nextOf().size();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
535 break;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
536
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
537 default:
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
538 assert(typeb.nextOf().size() != tb.nextOf().size());
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
539 goto Lcast;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
540 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
541 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
542 L2:
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
543 assert(copied);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
544
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
545 // See if need to truncate or extend the literal
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
546 if (tb.ty == TY.Tsarray)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
547 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
548 int dim2 = cast(int)(cast(TypeSArray)tb).dim.toInteger();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
549
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
550 //printf("dim from = %d, to = %d\n", se.len, dim2);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
551
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
552 // Changing dimensions
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
553 if (dim2 != se.len)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
554 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
555 // Copy when changing the string literal
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
556 uint newsz = se.sz;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
557 void *s;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
558 int d;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
559
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
560 d = (dim2 < se.len) ? dim2 : se.len;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
561 s = cast(ubyte*)GC.malloc((dim2 + 1) * newsz);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
562 memcpy(s, se.string_, d * newsz);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
563 // Extend with 0, add terminating 0
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
564 memset(cast(char*)s + d * newsz, 0, (dim2 + 1 - d) * newsz);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
565 se.string_ = s;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
566 se.len = dim2;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
567 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
568 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
569 se.type = t;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
570 return se;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
571
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
572 Lcast:
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
573 Expression e = new CastExp(loc, se, t);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
574 e.type = t; // so semantic() won't be run on e
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
575 return e;
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
576 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
577
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 68
diff changeset
578 override int opCmp(Object obj)
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
579 {
46
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
580 // Used to sort case statement expressions so we can do an efficient lookup
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
581 StringExp se2 = cast(StringExp)(obj);
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
582
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
583 // This is a kludge so isExpression() in template.c will return 5
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
584 // for StringExp's.
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
585 /// ??????????????????
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
586 if (!se2)
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
587 return 5;
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
588
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
589 assert(se2.op == TOKstring);
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
590
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
591 int len1 = len;
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
592 int len2 = se2.len;
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
593
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
594 if (len1 == len2)
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
595 {
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
596 switch (sz)
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
597 {
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
598 case 1:
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
599 return strcmp(cast(char*)string_, cast(char*)se2.string_);
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
600
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
601 case 2:
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
602 {
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
603 wchar* s1 = cast(wchar*)string_;
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
604 wchar* s2 = cast(wchar*)se2.string_;
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
605
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
606 for (uint u = 0; u < len; u++)
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
607 {
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
608 if (s1[u] != s2[u]) {
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
609 return s1[u] - s2[u];
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
610 }
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
611 }
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
612 }
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
613
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
614 case 4:
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
615 {
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
616 dchar* s1 = cast(dchar *)string_;
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
617 dchar* s2 = cast(dchar *)se2.string_;
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
618
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
619 for (uint u = 0; u < len; u++)
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
620 {
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
621 if (s1[u] != s2[u]) {
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
622 return s1[u] - s2[u];
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
623 }
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
624 }
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
625 }
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
626 break;
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
627
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
628 default:
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
629 assert(0);
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
630 }
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
631 }
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
632
0d32fd48dac4 StringExp.compare
korDen
parents: 45
diff changeset
633 return len1 - len2;
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
634 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
635
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 68
diff changeset
636 override bool isBool(bool result)
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
637 {
93
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
638 return result ? true : false;
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
639 }
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
640
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
641 version(DMDV2)
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
642 {
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
643 override bool isLvalue()
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
644 {
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
645 return true;
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
646 }
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
647 }
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
648
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
649 override Expression toLvalue(Scope sc, Expression e)
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
650 {
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
651 // writef("StringExp::toLvalue(%s)\n", toChars());
df6d0f967680 implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents: 72
diff changeset
652 return this;
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
653 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
654
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
655 uint charAt(size_t i)
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
656 {
10
korDen
parents: 9 5
diff changeset
657 uint value;
korDen
parents: 9 5
diff changeset
658
korDen
parents: 9 5
diff changeset
659 switch (sz)
korDen
parents: 9 5
diff changeset
660 {
korDen
parents: 9 5
diff changeset
661 case 1:
korDen
parents: 9 5
diff changeset
662 value = (cast(ubyte *)string_)[i];
korDen
parents: 9 5
diff changeset
663 break;
korDen
parents: 9 5
diff changeset
664
korDen
parents: 9 5
diff changeset
665 case 2:
korDen
parents: 9 5
diff changeset
666 value = (cast(ushort *)string_)[i];
korDen
parents: 9 5
diff changeset
667 break;
korDen
parents: 9 5
diff changeset
668
korDen
parents: 9 5
diff changeset
669 case 4:
korDen
parents: 9 5
diff changeset
670 value = (cast(uint *)string_)[i];
korDen
parents: 9 5
diff changeset
671 break;
korDen
parents: 9 5
diff changeset
672
korDen
parents: 9 5
diff changeset
673 default:
korDen
parents: 9 5
diff changeset
674 assert(0);
korDen
parents: 9 5
diff changeset
675 break;
korDen
parents: 9 5
diff changeset
676 }
9
0ce5333b21b8 StringExp.toChars() implemented
korDen
parents: 4
diff changeset
677 return value;
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
678 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
679
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 68
diff changeset
680 override void toCBuffer(OutBuffer buf, HdrGenState* hgs)
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
681 {
10
korDen
parents: 9 5
diff changeset
682 buf.writeByte('"');
korDen
parents: 9 5
diff changeset
683 for (size_t i = 0; i < len; i++)
korDen
parents: 9 5
diff changeset
684 {
korDen
parents: 9 5
diff changeset
685 uint c = charAt(i);
korDen
parents: 9 5
diff changeset
686
korDen
parents: 9 5
diff changeset
687 switch (c)
korDen
parents: 9 5
diff changeset
688 {
korDen
parents: 9 5
diff changeset
689 case '"':
korDen
parents: 9 5
diff changeset
690 case '\\':
korDen
parents: 9 5
diff changeset
691 if (!hgs.console)
korDen
parents: 9 5
diff changeset
692 buf.writeByte('\\');
korDen
parents: 9 5
diff changeset
693 default:
korDen
parents: 9 5
diff changeset
694 if (c <= 0xFF)
korDen
parents: 9 5
diff changeset
695 {
korDen
parents: 9 5
diff changeset
696 if (c <= 0x7F && (isprint(c) || hgs.console))
korDen
parents: 9 5
diff changeset
697 buf.writeByte(c);
korDen
parents: 9 5
diff changeset
698 else
korDen
parents: 9 5
diff changeset
699 buf.printf("\\x%02x", c);
korDen
parents: 9 5
diff changeset
700 }
korDen
parents: 9 5
diff changeset
701 else if (c <= 0xFFFF)
korDen
parents: 9 5
diff changeset
702 buf.printf("\\x%02x\\x%02x", c & 0xFF, c >> 8);
korDen
parents: 9 5
diff changeset
703 else
korDen
parents: 9 5
diff changeset
704 buf.printf("\\x%02x\\x%02x\\x%02x\\x%02x", c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24);
korDen
parents: 9 5
diff changeset
705 break;
korDen
parents: 9 5
diff changeset
706 }
korDen
parents: 9 5
diff changeset
707 }
korDen
parents: 9 5
diff changeset
708 buf.writeByte('"');
korDen
parents: 9 5
diff changeset
709 if (postfix)
9
0ce5333b21b8 StringExp.toChars() implemented
korDen
parents: 4
diff changeset
710 buf.writeByte(postfix);
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
711 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
712
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 68
diff changeset
713 override void toMangleBuffer(OutBuffer buf)
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
714 {
20
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
715 char m;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
716 OutBuffer tmp = new OutBuffer();
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
717 string p;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
718 dchar c;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
719 size_t u;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
720 ubyte *q;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
721 uint qlen;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
722
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
723 /* Write string in UTF-8 format
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
724 */
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
725 switch (sz)
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
726 { case 1:
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
727 m = 'a';
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
728 q = cast(ubyte *)string_;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
729 qlen = len;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
730 break;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
731 case 2:
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
732 m = 'w';
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
733 for (u = 0; u < len; )
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
734 {
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
735 p = utf_decodeWchar(cast(wstring)string_[0..len], &u, &c);
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
736 if (p)
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
737 error("%s", p);
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
738 else
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
739 tmp.writeUTF8(c);
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
740 }
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
741 q = tmp.data;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
742 qlen = tmp.offset;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
743 break;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
744 case 4:
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
745 m = 'd';
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
746 for (u = 0; u < len; u++)
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
747 {
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
748 c = (cast(uint*)string_)[u];
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
749 if (!utf_isValidDchar(c))
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
750 error("invalid UCS-32 char \\U%08x", c);
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
751 else
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
752 tmp.writeUTF8(c);
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
753 }
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
754 q = tmp.data;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
755 qlen = tmp.offset;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
756 break;
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
757 default:
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
758 assert(0);
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
759 }
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
760 buf.writeByte(m);
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
761 buf.printf("%d_", qlen);
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
762 for (size_t i = 0; i < qlen; i++)
1628b221808d Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents: 11
diff changeset
763 buf.printf("%02x", q[i]);
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
764 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
765
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 68
diff changeset
766 override elem* toElem(IRState* irs)
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
767 {
5
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
768 elem* e;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
769 Type tb = type.toBasetype();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
770
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
771 static if (false) {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
772 printf("StringExp.toElem() %s, type = %s\n", toChars(), type.toChars());
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
773 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
774
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
775 if (tb.ty == TY.Tarray)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
776 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
777 Symbol* si;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
778 dt_t* dt;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
779 StringTab* st;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
780
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
781 static if (false) {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
782 printf("irs.m = %p\n", irs.m);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
783 printf(" m = %s\n", irs.m.toChars());
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
784 printf(" len = %d\n", len);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
785 printf(" sz = %d\n", sz);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
786 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
787 for (size_t i = 0; i < STSIZE; i++)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
788 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
789 st = &stringTab[(stidx + i) % STSIZE];
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
790 //if (!st.m) continue;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
791 //printf(" st.m = %s\n", st.m.toChars());
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
792 //printf(" st.len = %d\n", st.len);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
793 //printf(" st.sz = %d\n", st.sz);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
794 if (st.m is irs.m &&
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
795 st.si &&
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
796 st.len == len &&
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
797 st.sz == sz &&
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
798 memcmp(st.string_, string_, sz * len) == 0)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
799 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
800 //printf("use cached value\n");
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
801 si = st.si; // use cached value
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
802 goto L1;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
803 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
804 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
805
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
806 stidx = (stidx + 1) % STSIZE;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
807 st = &stringTab[stidx];
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
808
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
809 dt = null;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
810 toDt(&dt);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
811
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
812 si = symbol_generate(SC.SCstatic, type_fake(TYM.TYdarray));
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
813 si.Sdt = dt;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
814 si.Sfl = FL.FLdata;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
815 version (ELFOBJ) {// Burton
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
816 si.Sseg = Segment.CDATA;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
817 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
818 version (MACHOBJ) {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
819 si.Sseg = Segment.DATA;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
820 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
821 outdata(si);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
822
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
823 st.m = irs.m;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
824 st.si = si;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
825 st.string_ = string_;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
826 st.len = len;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
827 st.sz = sz;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
828 L1:
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
829 e = el_var(si);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
830 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
831 else if (tb.ty == TY.Tsarray)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
832 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
833 Symbol *si;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
834 dt_t *dt = null;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
835
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
836 toDt(&dt);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
837 dtnzeros(&dt, sz); // leave terminating 0
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
838
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
839 si = symbol_generate(SC.SCstatic,type_allocn(TYM.TYarray, tschar));
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
840 si.Sdt = dt;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
841 si.Sfl = FL.FLdata;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
842
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
843 version (ELFOBJ_OR_MACHOBJ) { // Burton
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
844 si.Sseg = Segment.CDATA;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
845 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
846 outdata(si);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
847
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
848 e = el_var(si);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
849 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
850 else if (tb.ty == TY.Tpointer)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
851 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
852 e = el_calloc();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
853 e.Eoper = OPER.OPstring;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
854 static if (true) {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
855 // Match MEM_PH_FREE for OPstring in ztc\el.c
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
856 e.EV.ss.Vstring = cast(char*)malloc((len + 1) * sz); /// !
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
857 memcpy(e.EV.ss.Vstring, string_, (len + 1) * sz);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
858 } else {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
859 e.EV.ss.Vstring = cast(char*)string_;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
860 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
861 e.EV.ss.Vstrlen = (len + 1) * sz;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
862 e.Ety = TYM.TYnptr;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
863 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
864 else
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
865 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
866 writef("type is %s\n", type.toChars());
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
867 assert(0);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
868 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
869 el_setLoc(e,loc);
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
870 return e;
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
871 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
872
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 68
diff changeset
873 override dt_t** toDt(dt_t** pdt)
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
874 {
5
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
875 //printf("StringExp.toDt() '%s', type = %s\n", toChars(), type.toChars());
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
876 Type t = type.toBasetype();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
877
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
878 // BUG: should implement some form of static string pooling
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
879 switch (t.ty)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
880 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
881 case TY.Tarray:
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
882 dtdword(pdt, len);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
883 pdt = dtabytes(pdt, TYM.TYnptr, 0, (len + 1) * sz, cast(char*)string_);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
884 break;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
885
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
886 case TY.Tsarray:
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
887 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
888 TypeSArray tsa = cast(TypeSArray)type;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
889 long dim;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
890
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
891 pdt = dtnbytes(pdt, len * sz, cast(const(char)*)string_);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
892 if (tsa.dim)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
893 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
894 dim = tsa.dim.toInteger();
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
895 if (len < dim)
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
896 {
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
897 // Pad remainder with 0
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
898 pdt = dtnzeros(pdt, cast(uint)((dim - len) * tsa.next.size()));
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
899 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
900 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
901 break;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
902 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
903
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
904 case TY.Tpointer:
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
905 pdt = dtabytes(pdt, TYM.TYnptr, 0, (len + 1) * sz, cast(char*)string_);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
906 break;
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
907
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
908 default:
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
909 writef("StringExp.toDt(type = %s)\n", type.toChars());
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
910 assert(0);
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
911 }
63623152e82a Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents: 4
diff changeset
912
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
913 return pdt;
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
914 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
915 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
916