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1
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1
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2 // Compiler implementation of the D programming language
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3 // Copyright (c) 1999-2007 by Digital Mars
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4 // All Rights Reserved
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5 // written by Walter Bright
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6 // http://www.digitalmars.com
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7 // License for redistribution is by either the Artistic License
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8 // in artistic.txt, or the GNU General Public License in gnu.txt.
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9 // See the included readme.txt for details.
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10
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11 #include <stdio.h>
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12 #include <stdlib.h>
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13 #include <assert.h>
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14
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15 #ifdef _MSC_VER
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16 #include <malloc.h>
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17 #endif
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18
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19 #if IN_GCC
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20 #include "gdc_alloca.h"
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21 #endif
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22
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23 #include "mem.h"
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24
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25 #include "mars.h"
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26 #include "module.h"
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27 #include "parse.h"
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28 #include "scope.h"
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29 #include "identifier.h"
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30 #include "id.h"
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31 #include "import.h"
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32 #include "dsymbol.h"
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33 #include "hdrgen.h"
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34 #include "lexer.h"
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35
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36 #define MARS 1
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37 #include "html.h"
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38
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39 #ifdef IN_GCC
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40 #include "d-dmd-gcc.h"
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41 #endif
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42
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43 ClassDeclaration *Module::moduleinfo;
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44
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45 Module *Module::rootModule;
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46 DsymbolTable *Module::modules;
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47 Array Module::amodules;
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48
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49 Array Module::deferred; // deferred Dsymbol's needing semantic() run on them
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50 unsigned Module::dprogress;
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51
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52 void Module::init()
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53 {
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54 modules = new DsymbolTable();
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55 }
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56
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57 Module::Module(char *filename, Identifier *ident, int doDocComment, int doHdrGen)
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58 : Package(ident)
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59 {
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60 FileName *srcfilename;
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61 FileName *cfilename;
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62 FileName *hfilename;
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63 FileName *objfilename;
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64 FileName *llfilename;
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65 FileName *bcfilename;
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66 FileName *symfilename;
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67
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68 // printf("Module::Module(filename = '%s', ident = '%s')\n", filename, ident->toChars());
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69 this->arg = filename;
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70 md = NULL;
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71 errors = 0;
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72 numlines = 0;
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73 members = NULL;
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74 isHtml = 0;
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75 isDocFile = 0;
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76 needmoduleinfo = 0;
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77 #ifdef IN_GCC
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78 strictlyneedmoduleinfo = 0;
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79 #endif
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80 insearch = 0;
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81 searchCacheIdent = NULL;
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82 searchCacheSymbol = NULL;
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83 searchCacheFlags = 0;
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84 semanticstarted = 0;
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85 semanticdone = 0;
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86 decldefs = NULL;
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87 vmoduleinfo = NULL;
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88 massert = NULL;
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89 marray = NULL;
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130
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90 sictor = NULL;
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1
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91 sctor = NULL;
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92 sdtor = NULL;
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93 stest = NULL;
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94 sfilename = NULL;
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95 root = 0;
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96 importedFrom = NULL;
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97 srcfile = NULL;
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98 docfile = NULL;
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99
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100 debuglevel = 0;
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101 debugids = NULL;
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102 debugidsNot = NULL;
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103 versionlevel = 0;
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104 versionids = NULL;
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105 versionidsNot = NULL;
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106
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107 macrotable = NULL;
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108 escapetable = NULL;
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109 cov = NULL;
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110 covb = NULL;
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111
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112 srcfilename = FileName::defaultExt(filename, global.mars_ext);
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113 if (!srcfilename->equalsExt(global.mars_ext))
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114 {
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115 if (srcfilename->equalsExt("html") ||
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116 srcfilename->equalsExt("htm") ||
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117 srcfilename->equalsExt("xhtml"))
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118 isHtml = 1;
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119 else
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120 { error("source file name '%s' must have .%s extension", srcfilename->toChars(), global.mars_ext);
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121 fatal();
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122 }
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123 }
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124
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125 char *argobj;
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126 if (global.params.objname)
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127 argobj = global.params.objname;
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128 else if (global.params.preservePaths)
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129 argobj = filename;
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130 else
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131 argobj = FileName::name(filename);
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132 if (!FileName::absolute(argobj))
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133 {
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134 argobj = FileName::combine(global.params.objdir, argobj);
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135 }
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136
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137 if (global.params.objname)
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138 objfilename = new FileName(argobj, 0);
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139 else
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140 objfilename = FileName::forceExt(argobj, global.obj_ext);
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141
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142 llfilename = FileName::forceExt(argobj, global.ll_ext);
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143 bcfilename = FileName::forceExt(argobj, global.bc_ext);
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144
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145 symfilename = FileName::forceExt(filename, global.sym_ext);
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146
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147 srcfile = new File(srcfilename);
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148
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149 if (doDocComment)
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150 {
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151 setDocfile();
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152 }
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153
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154 if (doHdrGen)
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155 {
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156 setHdrfile();
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157 }
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158
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159 objfile = new File(objfilename);
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160 bcfile = new File(bcfilename);
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52
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161 llfile = new File(llfilename);
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1
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162 symfile = new File(symfilename);
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163 }
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164
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165 void Module::setDocfile()
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166 {
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167 FileName *docfilename;
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168 char *argdoc;
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169
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170 if (global.params.docname)
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171 argdoc = global.params.docname;
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172 else if (global.params.preservePaths)
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173 argdoc = (char *)arg;
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174 else
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175 argdoc = FileName::name((char *)arg);
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176 if (!FileName::absolute(argdoc))
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177 { //FileName::ensurePathExists(global.params.docdir);
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178 argdoc = FileName::combine(global.params.docdir, argdoc);
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179 }
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180 if (global.params.docname)
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181 docfilename = new FileName(argdoc, 0);
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182 else
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183 docfilename = FileName::forceExt(argdoc, global.doc_ext);
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184
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185 if (docfilename->equals(srcfile->name))
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186 { error("Source file and documentation file have same name '%s'", srcfile->name->str);
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187 fatal();
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188 }
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189
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190 docfile = new File(docfilename);
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191 }
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192
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193 void Module::setHdrfile()
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194 {
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195 FileName *hdrfilename;
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196 char *arghdr;
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197
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198 if (global.params.hdrname)
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199 arghdr = global.params.hdrname;
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200 else if (global.params.preservePaths)
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201 arghdr = (char *)arg;
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202 else
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203 arghdr = FileName::name((char *)arg);
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204 if (!FileName::absolute(arghdr))
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205 { //FileName::ensurePathExists(global.params.hdrdir);
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206 arghdr = FileName::combine(global.params.hdrdir, arghdr);
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207 }
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208 if (global.params.hdrname)
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209 hdrfilename = new FileName(arghdr, 0);
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210 else
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211 hdrfilename = FileName::forceExt(arghdr, global.hdr_ext);
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212
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213 if (hdrfilename->equals(srcfile->name))
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214 { error("Source file and 'header' file have same name '%s'", srcfile->name->str);
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215 fatal();
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216 }
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217
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218 hdrfile = new File(hdrfilename);
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219 }
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220
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221 void Module::deleteObjFile()
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222 {
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223 if (global.params.obj)
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224 objfile->remove();
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225 //if (global.params.llvmBC)
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226 bcfile->remove();
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227 if (docfile)
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228 docfile->remove();
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229 }
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230
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231 Module::~Module()
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232 {
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233 }
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234
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235 char *Module::kind()
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236 {
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237 return "module";
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238 }
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239
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240 Module *Module::load(Loc loc, Array *packages, Identifier *ident)
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241 { Module *m;
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242 char *filename;
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243
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244 //printf("Module::load(ident = '%s')\n", ident->toChars());
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245
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246 // Build module filename by turning:
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247 // foo.bar.baz
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248 // into:
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249 // foo\bar\baz
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250 filename = ident->toChars();
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251 if (packages && packages->dim)
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252 {
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253 OutBuffer buf;
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254 int i;
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255
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256 for (i = 0; i < packages->dim; i++)
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257 { Identifier *pid = (Identifier *)packages->data[i];
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258
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259 buf.writestring(pid->toChars());
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260 #if _WIN32
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261 buf.writeByte('\\');
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262 #else
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263 buf.writeByte('/');
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264 #endif
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265 }
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266 buf.writestring(filename);
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267 buf.writeByte(0);
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268 filename = (char *)buf.extractData();
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269 }
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270
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271 m = new Module(filename, ident, 0, 0);
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272 m->loc = loc;
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273
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274 /* Search along global.path for .di file, then .d file.
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275 */
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276 char *result = NULL;
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277 FileName *fdi = FileName::forceExt(filename, global.hdr_ext);
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278 FileName *fd = FileName::forceExt(filename, global.mars_ext);
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279 char *sdi = fdi->toChars();
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280 char *sd = fd->toChars();
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281
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282 if (FileName::exists(sdi))
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283 result = sdi;
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284 else if (FileName::exists(sd))
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285 result = sd;
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286 else if (FileName::absolute(filename))
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287 ;
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288 else if (!global.path)
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289 ;
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290 else
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291 {
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292 for (size_t i = 0; i < global.path->dim; i++)
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293 {
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294 char *p = (char *)global.path->data[i];
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295 char *n = FileName::combine(p, sdi);
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296 if (FileName::exists(n))
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297 { result = n;
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298 break;
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299 }
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300 mem.free(n);
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301 n = FileName::combine(p, sd);
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302 if (FileName::exists(n))
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303 { result = n;
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304 break;
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305 }
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306 mem.free(n);
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307 }
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308 }
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309 if (result)
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310 m->srcfile = new File(result);
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311
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312 if (global.params.verbose)
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313 {
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314 printf("import ");
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315 if (packages)
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316 {
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317 for (size_t i = 0; i < packages->dim; i++)
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318 { Identifier *pid = (Identifier *)packages->data[i];
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319 printf("%s.", pid->toChars());
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320 }
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321 }
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322 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars());
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323 }
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324
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325 m->read(loc);
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326 m->parse();
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327
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328 #ifdef IN_GCC
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329 d_gcc_magic_module(m);
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330 #endif
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331
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332 return m;
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333 }
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334
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335 void Module::read(Loc loc)
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336 {
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337 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars());
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338 if (srcfile->read())
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339 { error(loc, "cannot read file '%s'", srcfile->toChars());
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340 fatal();
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341 }
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342 }
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343
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344 inline unsigned readwordLE(unsigned short *p)
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345 {
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346 #if __I86__
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347 return *p;
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348 #else
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349 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0];
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350 #endif
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351 }
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352
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353 inline unsigned readwordBE(unsigned short *p)
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354 {
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355 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1];
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356 }
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357
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358 inline unsigned readlongLE(unsigned *p)
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359 {
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360 #if __I86__
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361 return *p;
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362 #else
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363 return ((unsigned char *)p)[0] |
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364 (((unsigned char *)p)[1] << 8) |
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365 (((unsigned char *)p)[2] << 16) |
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366 (((unsigned char *)p)[3] << 24);
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367 #endif
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368 }
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369
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370 inline unsigned readlongBE(unsigned *p)
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371 {
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372 return ((unsigned char *)p)[3] |
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373 (((unsigned char *)p)[2] << 8) |
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374 (((unsigned char *)p)[1] << 16) |
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375 (((unsigned char *)p)[0] << 24);
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376 }
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377
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378 #if IN_GCC
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379 void Module::parse(bool dump_source)
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380 #else
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381 void Module::parse()
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382 #endif
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383 { char *srcname;
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384 unsigned char *buf;
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385 unsigned buflen;
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386 unsigned le;
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387 unsigned bom;
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388
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389 //printf("Module::parse()\n");
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390
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391 srcname = srcfile->name->toChars();
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392 //printf("Module::parse(srcname = '%s')\n", srcname);
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393
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394 buf = srcfile->buffer;
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395 buflen = srcfile->len;
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396
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397 if (buflen >= 2)
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398 {
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399 /* Convert all non-UTF-8 formats to UTF-8.
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400 * BOM : http://www.unicode.org/faq/utf_bom.html
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401 * 00 00 FE FF UTF-32BE, big-endian
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402 * FF FE 00 00 UTF-32LE, little-endian
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403 * FE FF UTF-16BE, big-endian
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404 * FF FE UTF-16LE, little-endian
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405 * EF BB BF UTF-8
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406 */
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407
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408 bom = 1; // assume there's a BOM
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409 if (buf[0] == 0xFF && buf[1] == 0xFE)
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410 {
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411 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0)
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412 { // UTF-32LE
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413 le = 1;
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414
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415 Lutf32:
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416 OutBuffer dbuf;
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417 unsigned *pu = (unsigned *)(buf);
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418 unsigned *pumax = &pu[buflen / 4];
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419
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420 if (buflen & 3)
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421 { error("odd length of UTF-32 char source %u", buflen);
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422 fatal();
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423 }
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424
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425 dbuf.reserve(buflen / 4);
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426 for (pu += bom; pu < pumax; pu++)
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427 { unsigned u;
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428
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429 u = le ? readlongLE(pu) : readlongBE(pu);
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430 if (u & ~0x7F)
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431 {
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432 if (u > 0x10FFFF)
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433 { error("UTF-32 value %08x greater than 0x10FFFF", u);
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434 fatal();
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435 }
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436 dbuf.writeUTF8(u);
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437 }
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438 else
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439 dbuf.writeByte(u);
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440 }
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441 dbuf.writeByte(0); // add 0 as sentinel for scanner
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442 buflen = dbuf.offset - 1; // don't include sentinel in count
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443 buf = (unsigned char *) dbuf.extractData();
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444 }
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445 else
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446 { // UTF-16LE (X86)
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447 // Convert it to UTF-8
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448 le = 1;
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449
|
|
|
450 Lutf16:
|
|
|
451 OutBuffer dbuf;
|
|
|
452 unsigned short *pu = (unsigned short *)(buf);
|
|
|
453 unsigned short *pumax = &pu[buflen / 2];
|
|
|
454
|
|
|
455 if (buflen & 1)
|
|
|
456 { error("odd length of UTF-16 char source %u", buflen);
|
|
|
457 fatal();
|
|
|
458 }
|
|
|
459
|
|
|
460 dbuf.reserve(buflen / 2);
|
|
|
461 for (pu += bom; pu < pumax; pu++)
|
|
|
462 { unsigned u;
|
|
|
463
|
|
|
464 u = le ? readwordLE(pu) : readwordBE(pu);
|
|
|
465 if (u & ~0x7F)
|
|
|
466 { if (u >= 0xD800 && u <= 0xDBFF)
|
|
|
467 { unsigned u2;
|
|
|
468
|
|
|
469 if (++pu > pumax)
|
|
|
470 { error("surrogate UTF-16 high value %04x at EOF", u);
|
|
|
471 fatal();
|
|
|
472 }
|
|
|
473 u2 = le ? readwordLE(pu) : readwordBE(pu);
|
|
|
474 if (u2 < 0xDC00 || u2 > 0xDFFF)
|
|
|
475 { error("surrogate UTF-16 low value %04x out of range", u2);
|
|
|
476 fatal();
|
|
|
477 }
|
|
|
478 u = (u - 0xD7C0) << 10;
|
|
|
479 u |= (u2 - 0xDC00);
|
|
|
480 }
|
|
|
481 else if (u >= 0xDC00 && u <= 0xDFFF)
|
|
|
482 { error("unpaired surrogate UTF-16 value %04x", u);
|
|
|
483 fatal();
|
|
|
484 }
|
|
|
485 else if (u == 0xFFFE || u == 0xFFFF)
|
|
|
486 { error("illegal UTF-16 value %04x", u);
|
|
|
487 fatal();
|
|
|
488 }
|
|
|
489 dbuf.writeUTF8(u);
|
|
|
490 }
|
|
|
491 else
|
|
|
492 dbuf.writeByte(u);
|
|
|
493 }
|
|
|
494 dbuf.writeByte(0); // add 0 as sentinel for scanner
|
|
|
495 buflen = dbuf.offset - 1; // don't include sentinel in count
|
|
|
496 buf = (unsigned char *) dbuf.extractData();
|
|
|
497 }
|
|
|
498 }
|
|
|
499 else if (buf[0] == 0xFE && buf[1] == 0xFF)
|
|
|
500 { // UTF-16BE
|
|
|
501 le = 0;
|
|
|
502 goto Lutf16;
|
|
|
503 }
|
|
|
504 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF)
|
|
|
505 { // UTF-32BE
|
|
|
506 le = 0;
|
|
|
507 goto Lutf32;
|
|
|
508 }
|
|
|
509 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF)
|
|
|
510 { // UTF-8
|
|
|
511
|
|
|
512 buf += 3;
|
|
|
513 buflen -= 3;
|
|
|
514 }
|
|
|
515 else
|
|
|
516 {
|
|
|
517 /* There is no BOM. Make use of Arcane Jill's insight that
|
|
|
518 * the first char of D source must be ASCII to
|
|
|
519 * figure out the encoding.
|
|
|
520 */
|
|
|
521
|
|
|
522 bom = 0;
|
|
|
523 if (buflen >= 4)
|
|
|
524 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0)
|
|
|
525 { // UTF-32LE
|
|
|
526 le = 1;
|
|
|
527 goto Lutf32;
|
|
|
528 }
|
|
|
529 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0)
|
|
|
530 { // UTF-32BE
|
|
|
531 le = 0;
|
|
|
532 goto Lutf32;
|
|
|
533 }
|
|
|
534 }
|
|
|
535 if (buflen >= 2)
|
|
|
536 {
|
|
|
537 if (buf[1] == 0)
|
|
|
538 { // UTF-16LE
|
|
|
539 le = 1;
|
|
|
540 goto Lutf16;
|
|
|
541 }
|
|
|
542 else if (buf[0] == 0)
|
|
|
543 { // UTF-16BE
|
|
|
544 le = 0;
|
|
|
545 goto Lutf16;
|
|
|
546 }
|
|
|
547 }
|
|
|
548
|
|
|
549 // It's UTF-8
|
|
|
550 if (buf[0] >= 0x80)
|
|
|
551 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]);
|
|
|
552 fatal();
|
|
|
553 }
|
|
|
554 }
|
|
|
555 }
|
|
|
556
|
|
|
557 #ifdef IN_GCC
|
|
|
558 // dump utf-8 encoded source
|
|
|
559 if (dump_source)
|
|
|
560 { // %% srcname could contain a path ...
|
|
|
561 d_gcc_dump_source(srcname, "utf-8", buf, buflen);
|
|
|
562 }
|
|
|
563 #endif
|
|
|
564
|
|
|
565 /* If it starts with the string "Ddoc", then it's a documentation
|
|
|
566 * source file.
|
|
|
567 */
|
|
|
568 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0)
|
|
|
569 {
|
|
|
570 comment = buf + 4;
|
|
|
571 isDocFile = 1;
|
|
|
572 if (!docfile)
|
|
|
573 setDocfile();
|
|
|
574 return;
|
|
|
575 }
|
|
|
576 if (isHtml)
|
|
|
577 {
|
|
|
578 OutBuffer *dbuf = new OutBuffer();
|
|
|
579 Html h(srcname, buf, buflen);
|
|
|
580 h.extractCode(dbuf);
|
|
|
581 buf = dbuf->data;
|
|
|
582 buflen = dbuf->offset;
|
|
|
583 #ifdef IN_GCC
|
|
|
584 // dump extracted source
|
|
|
585 if (dump_source)
|
|
|
586 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen);
|
|
|
587 #endif
|
|
|
588 }
|
|
|
589 Parser p(this, buf, buflen, docfile != NULL);
|
|
|
590 p.nextToken();
|
|
|
591 members = p.parseModule();
|
|
|
592 md = p.md;
|
|
|
593 numlines = p.loc.linnum;
|
|
|
594
|
|
|
595 DsymbolTable *dst;
|
|
|
596
|
|
|
597 if (md)
|
|
|
598 { this->ident = md->id;
|
|
|
599 dst = Package::resolve(md->packages, &this->parent, NULL);
|
|
|
600 }
|
|
|
601 else
|
|
|
602 {
|
|
|
603 dst = modules;
|
|
|
604
|
|
|
605 /* Check to see if module name is a valid identifier
|
|
|
606 */
|
|
|
607 if (!Lexer::isValidIdentifier(this->ident->toChars()))
|
|
|
608 error("has non-identifier characters in filename, use module declaration instead");
|
|
|
609 }
|
|
|
610
|
|
|
611 // Update global list of modules
|
|
|
612 if (!dst->insert(this))
|
|
|
613 {
|
|
|
614 if (md)
|
|
|
615 error(loc, "is in multiple packages %s", md->toChars());
|
|
|
616 else
|
|
|
617 error(loc, "is in multiple defined");
|
|
|
618 }
|
|
|
619 else
|
|
|
620 {
|
|
|
621 amodules.push(this);
|
|
|
622 }
|
|
|
623 }
|
|
|
624
|
|
|
625 void Module::semantic()
|
|
|
626 { int i;
|
|
|
627
|
|
|
628 if (semanticstarted)
|
|
|
629 return;
|
|
|
630
|
|
|
631 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent);
|
|
|
632 semanticstarted = 1;
|
|
|
633
|
|
|
634 // Note that modules get their own scope, from scratch.
|
|
|
635 // This is so regardless of where in the syntax a module
|
|
|
636 // gets imported, it is unaffected by context.
|
|
|
637 Scope *sc = Scope::createGlobal(this); // create root scope
|
|
|
638
|
|
|
639 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage);
|
|
|
640
|
|
|
641 // Add import of "object" if this module isn't "object"
|
|
|
642 if (ident != Id::object)
|
|
|
643 {
|
|
|
644 Import *im = new Import(0, NULL, Id::object, NULL, 0);
|
|
|
645 members->shift(im);
|
|
|
646 }
|
|
|
647
|
|
|
648 // Add all symbols into module's symbol table
|
|
|
649 symtab = new DsymbolTable();
|
|
|
650 for (i = 0; i < members->dim; i++)
|
|
|
651 { Dsymbol *s;
|
|
|
652
|
|
|
653 s = (Dsymbol *)members->data[i];
|
|
|
654 s->addMember(NULL, sc->scopesym, 1);
|
|
|
655 }
|
|
|
656
|
|
|
657 // Pass 1 semantic routines: do public side of the definition
|
|
|
658 for (i = 0; i < members->dim; i++)
|
|
|
659 { Dsymbol *s;
|
|
|
660
|
|
|
661 s = (Dsymbol *)members->data[i];
|
|
|
662 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars());
|
|
|
663 s->semantic(sc);
|
|
|
664 runDeferredSemantic();
|
|
|
665 }
|
|
|
666
|
|
|
667 sc = sc->pop();
|
|
|
668 sc->pop();
|
|
|
669 semanticdone = semanticstarted;
|
|
|
670 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent);
|
|
|
671 }
|
|
|
672
|
|
|
673 void Module::semantic2()
|
|
|
674 { int i;
|
|
|
675
|
|
|
676 if (deferred.dim)
|
|
|
677 {
|
|
|
678 for (int i = 0; i < deferred.dim; i++)
|
|
|
679 {
|
|
|
680 Dsymbol *sd = (Dsymbol *)deferred.data[i];
|
|
|
681
|
|
|
682 sd->error("unable to resolve forward reference in definition");
|
|
|
683 }
|
|
|
684 return;
|
|
|
685 }
|
|
|
686 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent);
|
|
|
687 if (semanticstarted >= 2)
|
|
|
688 return;
|
|
|
689 assert(semanticstarted == 1);
|
|
|
690 semanticstarted = 2;
|
|
|
691
|
|
|
692 // Note that modules get their own scope, from scratch.
|
|
|
693 // This is so regardless of where in the syntax a module
|
|
|
694 // gets imported, it is unaffected by context.
|
|
|
695 Scope *sc = Scope::createGlobal(this); // create root scope
|
|
|
696 //printf("Module = %p\n", sc.scopesym);
|
|
|
697
|
|
|
698 // Pass 2 semantic routines: do initializers and function bodies
|
|
|
699 for (i = 0; i < members->dim; i++)
|
|
|
700 { Dsymbol *s;
|
|
|
701
|
|
|
702 s = (Dsymbol *)members->data[i];
|
|
|
703 s->semantic2(sc);
|
|
|
704 }
|
|
|
705
|
|
|
706 sc = sc->pop();
|
|
|
707 sc->pop();
|
|
|
708 semanticdone = semanticstarted;
|
|
|
709 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent);
|
|
|
710 }
|
|
|
711
|
|
|
712 void Module::semantic3()
|
|
|
713 { int i;
|
|
|
714
|
|
|
715 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent);
|
|
|
716 if (semanticstarted >= 3)
|
|
|
717 return;
|
|
|
718 assert(semanticstarted == 2);
|
|
|
719 semanticstarted = 3;
|
|
|
720
|
|
|
721 // Note that modules get their own scope, from scratch.
|
|
|
722 // This is so regardless of where in the syntax a module
|
|
|
723 // gets imported, it is unaffected by context.
|
|
|
724 Scope *sc = Scope::createGlobal(this); // create root scope
|
|
|
725 //printf("Module = %p\n", sc.scopesym);
|
|
|
726
|
|
|
727 // Pass 3 semantic routines: do initializers and function bodies
|
|
|
728 for (i = 0; i < members->dim; i++)
|
|
|
729 { Dsymbol *s;
|
|
|
730
|
|
|
731 s = (Dsymbol *)members->data[i];
|
|
|
732 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars());
|
|
|
733 s->semantic3(sc);
|
|
|
734 }
|
|
|
735
|
|
|
736 sc = sc->pop();
|
|
|
737 sc->pop();
|
|
|
738 semanticdone = semanticstarted;
|
|
|
739 }
|
|
|
740
|
|
|
741 void Module::inlineScan()
|
|
|
742 { int i;
|
|
|
743
|
|
|
744 if (semanticstarted >= 4)
|
|
|
745 return;
|
|
|
746 assert(semanticstarted == 3);
|
|
|
747 semanticstarted = 4;
|
|
|
748
|
|
|
749 // Note that modules get their own scope, from scratch.
|
|
|
750 // This is so regardless of where in the syntax a module
|
|
|
751 // gets imported, it is unaffected by context.
|
|
|
752 //printf("Module = %p\n", sc.scopesym);
|
|
|
753
|
|
|
754 for (i = 0; i < members->dim; i++)
|
|
|
755 { Dsymbol *s;
|
|
|
756
|
|
|
757 s = (Dsymbol *)members->data[i];
|
|
|
758 //if (global.params.verbose)
|
|
|
759 //printf("inline scan symbol %s\n", s->toChars());
|
|
|
760
|
|
|
761 s->inlineScan();
|
|
|
762 }
|
|
|
763 semanticdone = semanticstarted;
|
|
|
764 }
|
|
|
765
|
|
|
766 /****************************************************
|
|
|
767 */
|
|
|
768
|
|
|
769 void Module::gensymfile()
|
|
|
770 {
|
|
|
771 OutBuffer buf;
|
|
|
772 HdrGenState hgs;
|
|
|
773 int i;
|
|
|
774
|
|
|
775 //printf("Module::gensymfile()\n");
|
|
|
776
|
|
|
777 buf.printf("// Sym file generated from '%s'", srcfile->toChars());
|
|
|
778 buf.writenl();
|
|
|
779
|
|
|
780 for (i = 0; i < members->dim; i++)
|
|
|
781 {
|
|
|
782 Dsymbol *s;
|
|
|
783
|
|
|
784 s = (Dsymbol *)members->data[i];
|
|
|
785 s->toCBuffer(&buf, &hgs);
|
|
|
786 }
|
|
|
787
|
|
|
788 // Transfer image to file
|
|
|
789 symfile->setbuffer(buf.data, buf.offset);
|
|
|
790 buf.data = NULL;
|
|
|
791
|
|
|
792 symfile->writev();
|
|
|
793 }
|
|
|
794
|
|
|
795 /**********************************
|
|
|
796 * Determine if we need to generate an instance of ModuleInfo
|
|
|
797 * for this Module.
|
|
|
798 */
|
|
|
799
|
|
|
800 int Module::needModuleInfo()
|
|
|
801 {
|
|
|
802 return needmoduleinfo || global.params.cov;
|
|
|
803 }
|
|
|
804
|
|
|
805 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags)
|
|
|
806 {
|
|
|
807 /* Since modules can be circularly referenced,
|
|
|
808 * need to stop infinite recursive searches.
|
|
|
809 */
|
|
|
810
|
|
|
811 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch);
|
|
|
812 Dsymbol *s;
|
|
|
813 if (insearch)
|
|
|
814 s = NULL;
|
|
|
815 else if (searchCacheIdent == ident && searchCacheFlags == flags)
|
|
|
816 s = searchCacheSymbol;
|
|
|
817 else
|
|
|
818 {
|
|
|
819 insearch = 1;
|
|
|
820 s = ScopeDsymbol::search(loc, ident, flags);
|
|
|
821 insearch = 0;
|
|
|
822
|
|
|
823 searchCacheIdent = ident;
|
|
|
824 searchCacheSymbol = s;
|
|
|
825 searchCacheFlags = flags;
|
|
|
826 }
|
|
|
827 return s;
|
|
|
828 }
|
|
|
829
|
|
|
830 /*******************************************
|
|
|
831 * Can't run semantic on s now, try again later.
|
|
|
832 */
|
|
|
833
|
|
|
834 void Module::addDeferredSemantic(Dsymbol *s)
|
|
|
835 {
|
|
|
836 // Don't add it if it is already there
|
|
|
837 for (int i = 0; i < deferred.dim; i++)
|
|
|
838 {
|
|
|
839 Dsymbol *sd = (Dsymbol *)deferred.data[i];
|
|
|
840
|
|
|
841 if (sd == s)
|
|
|
842 return;
|
|
|
843 }
|
|
|
844
|
|
|
845 //printf("Module::addDeferredSemantic('%s')\n", s->toChars());
|
|
|
846 deferred.push(s);
|
|
|
847 }
|
|
|
848
|
|
|
849
|
|
|
850 /******************************************
|
|
|
851 * Run semantic() on deferred symbols.
|
|
|
852 */
|
|
|
853
|
|
|
854 void Module::runDeferredSemantic()
|
|
|
855 {
|
|
|
856 size_t len;
|
|
|
857
|
|
|
858 static int nested;
|
|
|
859 if (nested)
|
|
|
860 return;
|
|
|
861 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim);
|
|
|
862 nested++;
|
|
|
863
|
|
|
864 do
|
|
|
865 {
|
|
|
866 dprogress = 0;
|
|
|
867 len = deferred.dim;
|
|
|
868 if (!len)
|
|
|
869 break;
|
|
|
870
|
|
|
871 Dsymbol **todo;
|
|
|
872 Dsymbol *tmp;
|
|
|
873 if (len == 1)
|
|
|
874 {
|
|
|
875 todo = &tmp;
|
|
|
876 }
|
|
|
877 else
|
|
|
878 {
|
|
|
879 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *));
|
|
|
880 assert(todo);
|
|
|
881 }
|
|
|
882 memcpy(todo, deferred.data, len * sizeof(Dsymbol *));
|
|
|
883 deferred.setDim(0);
|
|
|
884
|
|
|
885 for (int i = 0; i < len; i++)
|
|
|
886 {
|
|
|
887 Dsymbol *s = todo[i];
|
|
|
888
|
|
|
889 s->semantic(NULL);
|
|
|
890 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars());
|
|
|
891 }
|
|
|
892 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress);
|
|
|
893 } while (deferred.dim < len || dprogress); // while making progress
|
|
|
894 nested--;
|
|
|
895 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim);
|
|
|
896 }
|
|
|
897
|
|
|
898 /* =========================== ModuleDeclaration ===================== */
|
|
|
899
|
|
|
900 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id)
|
|
|
901 {
|
|
|
902 this->packages = packages;
|
|
|
903 this->id = id;
|
|
|
904 }
|
|
|
905
|
|
|
906 char *ModuleDeclaration::toChars()
|
|
|
907 {
|
|
|
908 OutBuffer buf;
|
|
|
909 int i;
|
|
|
910
|
|
|
911 if (packages && packages->dim)
|
|
|
912 {
|
|
|
913 for (i = 0; i < packages->dim; i++)
|
|
|
914 { Identifier *pid = (Identifier *)packages->data[i];
|
|
|
915
|
|
|
916 buf.writestring(pid->toChars());
|
|
|
917 buf.writeByte('.');
|
|
|
918 }
|
|
|
919 }
|
|
|
920 buf.writestring(id->toChars());
|
|
|
921 buf.writeByte(0);
|
|
|
922 return (char *)buf.extractData();
|
|
|
923 }
|
|
|
924
|
|
|
925 /* =========================== Package ===================== */
|
|
|
926
|
|
|
927 Package::Package(Identifier *ident)
|
|
|
928 : ScopeDsymbol(ident)
|
|
|
929 {
|
|
|
930 }
|
|
|
931
|
|
|
932
|
|
|
933 char *Package::kind()
|
|
|
934 {
|
|
|
935 return "package";
|
|
|
936 }
|
|
|
937
|
|
|
938
|
|
|
939 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg)
|
|
|
940 {
|
|
|
941 DsymbolTable *dst = Module::modules;
|
|
|
942 Dsymbol *parent = NULL;
|
|
|
943
|
|
|
944 //printf("Package::resolve()\n");
|
|
|
945 if (ppkg)
|
|
|
946 *ppkg = NULL;
|
|
|
947
|
|
|
948 if (packages)
|
|
|
949 { int i;
|
|
|
950
|
|
|
951 for (i = 0; i < packages->dim; i++)
|
|
|
952 { Identifier *pid = (Identifier *)packages->data[i];
|
|
|
953 Dsymbol *p;
|
|
|
954
|
|
|
955 p = dst->lookup(pid);
|
|
|
956 if (!p)
|
|
|
957 {
|
|
|
958 p = new Package(pid);
|
|
|
959 dst->insert(p);
|
|
|
960 p->parent = parent;
|
|
|
961 ((ScopeDsymbol *)p)->symtab = new DsymbolTable();
|
|
|
962 }
|
|
|
963 else
|
|
|
964 {
|
|
|
965 assert(p->isPackage());
|
|
|
966 if (p->isModule())
|
|
|
967 { p->error("module and package have the same name");
|
|
|
968 fatal();
|
|
|
969 break;
|
|
|
970 }
|
|
|
971 }
|
|
|
972 parent = p;
|
|
|
973 dst = ((Package *)p)->symtab;
|
|
|
974 if (ppkg && !*ppkg)
|
|
|
975 *ppkg = (Package *)p;
|
|
|
976 }
|
|
|
977 if (pparent)
|
|
|
978 {
|
|
|
979 *pparent = parent;
|
|
|
980 }
|
|
|
981 }
|
|
|
982 return dst;
|
|
|
983 }
|
