Mercurial > projects > ddmd
annotate dmd/PragmaDeclaration.d @ 187:b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
| author | Abscissa |
|---|---|
| date | Tue, 07 Jun 2011 23:37:34 -0400 |
| parents | 0622fff7810a |
| children |
| rev | line source |
|---|---|
| 0 | 1 module dmd.PragmaDeclaration; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.ArrayTypes; |
| 5 import dmd.AttribDeclaration; | |
| 6 import dmd.Loc; | |
| 7 import dmd.Identifier; | |
| 8 import dmd.StringExp; | |
| 9 import dmd.TOK; | |
| 10 import dmd.WANT; | |
| 11 import dmd.Global; | |
| 12 import dmd.Id; | |
| 13 import dmd.Array; | |
| 14 import dmd.Dsymbol; | |
| 15 import dmd.Scope; | |
| 16 import dmd.OutBuffer; | |
| 17 import dmd.HdrGenState; | |
| 18 import dmd.Expression; | |
| 19 import dmd.FuncDeclaration; | |
| 20 | |
| 21 import dmd.backend.Util; | |
| 22 import dmd.backend.Symbol; | |
| 23 | |
| 180 | 24 import core.stdc.stdlib : malloc; |
| 2 | 25 |
|
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Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
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26 import dmd.DDMDExtensions; |
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Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
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27 |
| 0 | 28 class PragmaDeclaration : AttribDeclaration |
| 29 { | |
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30 mixin insertMemberExtension!(typeof(this)); |
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31 |
| 0 | 32 Expressions args; // array of Expression's |
| 33 | |
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34 this(Loc loc, Identifier ident, Expressions args, Dsymbols decl) |
| 0 | 35 { |
| 178 | 36 register(); |
| 0 | 37 super(decl); |
| 38 this.loc = loc; | |
| 39 this.ident = ident; | |
| 40 this.args = args; | |
| 41 } | |
| 42 | |
| 72 | 43 override Dsymbol syntaxCopy(Dsymbol s) |
| 0 | 44 { |
| 45 //printf("PragmaDeclaration.syntaxCopy(%s)\n", toChars()); | |
| 46 PragmaDeclaration pd; | |
| 47 | |
| 48 assert(!s); | |
| 49 pd = new PragmaDeclaration(loc, ident, Expression.arraySyntaxCopy(args), Dsymbol.arraySyntaxCopy(decl)); | |
| 50 return pd; | |
| 51 } | |
| 52 | |
| 72 | 53 override void semantic(Scope sc) |
| 0 | 54 { |
| 55 // Should be merged with PragmaStatement | |
| 56 | |
| 57 //printf("\tPragmaDeclaration.semantic '%s'\n",toChars()); | |
| 58 if (ident == Id.msg) | |
| 59 { | |
| 60 if (args) | |
| 61 { | |
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62 foreach (e; args) |
| 0 | 63 { |
| 64 e = e.semantic(sc); | |
| 65 e = e.optimize(WANTvalue | WANTinterpret); | |
| 66 if (e.op == TOKstring) | |
| 67 { | |
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68 auto se = cast(StringExp)e; |
| 136 | 69 writef("%s", se.toChars()[1..$-2]); // strip the '"'s, TODO: change to original?: /*se.len, cast(char*)se.string_*/ |
| 0 | 70 } |
| 71 else | |
| 95 | 72 writef(e.toChars()); |
| 0 | 73 } |
| 74 writef("\n"); | |
| 75 } | |
| 76 goto Lnodecl; | |
| 77 } | |
| 78 else if (ident == Id.lib) | |
| 79 { | |
| 80 if (!args || args.dim != 1) | |
| 81 error("string expected for library name"); | |
| 82 else | |
| 83 { | |
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84 auto e = args[0]; |
| 0 | 85 |
| 86 e = e.semantic(sc); | |
| 87 e = e.optimize(WANTvalue | WANTinterpret); | |
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88 args[0] = e; |
| 0 | 89 if (e.op != TOKstring) |
| 90 error("string expected for library name, not '%s'", e.toChars()); | |
| 91 else if (global.params.verbose) | |
| 92 { | |
| 93 StringExp se = cast(StringExp)e; | |
| 94 writef("library %.*s\n", cast(int)se.len, cast(char*)se.string_); | |
| 95 } | |
| 96 } | |
| 97 goto Lnodecl; | |
| 98 } | |
| 99 /// version (IN_GCC) { | |
| 100 /// else if (ident == Id.GNU_asm) | |
| 101 /// { | |
| 102 /// if (! args || args.dim != 2) | |
| 103 /// error("identifier and string expected for asm name"); | |
| 104 /// else | |
| 105 /// { | |
| 106 /// Expression *e; | |
| 107 /// Declaration *d = null; | |
| 108 /// StringExp *s = null; | |
| 109 /// | |
| 110 /// e = (Expression *)args.data[0]; | |
| 111 /// e = e.semantic(sc); | |
| 112 /// if (e.op == TOKvar) | |
| 113 /// { | |
| 114 /// d = ((VarExp *)e).var; | |
| 115 /// if (! d.isFuncDeclaration() && ! d.isVarDeclaration()) | |
| 116 /// d = null; | |
| 117 /// } | |
| 118 /// if (!d) | |
| 119 /// error("first argument of GNU_asm must be a function or variable declaration"); | |
| 120 /// | |
| 121 /// e = (Expression *)args.data[1]; | |
| 122 /// e = e.semantic(sc); | |
| 123 /// e = e.optimize(WANTvalue); | |
| 124 /// if (e.op == TOKstring && ((StringExp *)e).sz == 1) | |
| 125 /// s = ((StringExp *)e); | |
| 126 /// else | |
| 127 /// error("second argument of GNU_asm must be a char string"); | |
| 128 /// | |
| 129 /// if (d && s) | |
| 130 /// d.c_ident = Lexer.idPool((char*) s.string); | |
| 131 /// } | |
| 132 /// goto Lnodecl; | |
| 133 /// } | |
| 134 /// } | |
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135 ///version(DMDV2) { |
| 0 | 136 else if (ident == Id.startaddress) |
| 137 { | |
| 138 if (!args || args.dim != 1) | |
| 139 error("function name expected for start address"); | |
| 140 else | |
| 141 { | |
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142 auto e = args[0]; |
| 0 | 143 e = e.semantic(sc); |
| 144 e = e.optimize(WANTvalue | WANTinterpret); | |
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145 args[0] = e; |
| 0 | 146 Dsymbol sa = getDsymbol(e); |
| 147 if (!sa || !sa.isFuncDeclaration()) | |
| 148 error("function name expected for start address, not '%s'", e.toChars()); | |
| 149 } | |
| 150 goto Lnodecl; | |
| 151 } | |
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152 ///} |
| 0 | 153 /// version (TARGET_NET) { |
| 154 /// else if (ident == Lexer.idPool("assembly")) | |
| 155 /// { | |
| 156 /// } | |
| 157 /// } // TARGET_NET | |
| 158 else if (global.params.ignoreUnsupportedPragmas) | |
| 159 { | |
| 160 if (global.params.verbose) | |
| 161 { | |
| 162 /* Print unrecognized pragmas | |
| 163 */ | |
| 164 writef("pragma %s", ident.toChars()); | |
| 165 if (args) | |
| 166 { | |
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167 foreach (size_t i, Expression e; args) |
| 0 | 168 { |
| 169 e = e.semantic(sc); | |
| 170 e = e.optimize(WANTvalue | WANTinterpret); | |
| 171 if (i == 0) | |
| 172 writef(" ("); | |
| 173 else | |
| 174 writef(","); | |
| 175 writef("%s", e.toChars()); | |
| 176 } | |
| 177 if (args.dim) | |
| 178 writef(")"); | |
| 179 } | |
| 180 writef("\n"); | |
| 181 } | |
| 182 goto Lnodecl; | |
| 183 } | |
| 184 else | |
| 185 error("unrecognized pragma(%s)", ident.toChars()); | |
| 186 | |
| 187 if (decl) | |
| 188 { | |
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189 foreach(Dsymbol s; decl) |
| 0 | 190 s.semantic(sc); |
| 191 } | |
| 192 return; | |
| 193 | |
| 194 Lnodecl: | |
| 195 if (decl) | |
| 196 error("pragma is missing closing ';'"); | |
| 197 } | |
| 198 | |
| 72 | 199 override void setScope(Scope sc) |
| 0 | 200 { |
| 201 version (TARGET_NET) { | |
| 202 if (ident == Lexer.idPool("assembly")) | |
| 203 { | |
| 204 if (!args || args.dim != 1) | |
| 205 { | |
| 206 error("pragma has invalid number of arguments"); | |
| 207 } | |
| 208 else | |
| 209 { | |
| 210 Expression e = cast(Expression)args.data[0]; | |
| 211 e = e.semantic(sc); | |
| 212 e = e.optimize(WANTvalue | WANTinterpret); | |
| 213 args.data[0] = cast(void*)e; | |
| 214 if (e.op != TOKstring) | |
| 215 { | |
| 216 error("string expected, not '%s'", e.toChars()); | |
| 217 } | |
| 218 PragmaScope pragma_ = new PragmaScope(this, sc.parent, cast(StringExp)e); | |
| 219 | |
| 220 assert(sc); | |
| 221 pragma_.setScope(sc); | |
| 222 | |
| 223 //add to module members | |
| 224 assert(sc.module_); | |
| 225 assert(sc.module_.members); | |
| 226 sc.module_.members.push(cast(void*)pragma_); | |
| 227 } | |
| 228 } | |
| 229 } | |
| 230 } | |
| 231 | |
| 72 | 232 override bool oneMember(Dsymbol* ps) |
| 0 | 233 { |
| 162 | 234 *ps = null; |
| 235 return true; | |
| 0 | 236 } |
| 237 | |
| 72 | 238 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 239 { |
| 240 assert(false); | |
| 241 } | |
| 242 | |
| 72 | 243 override string kind() |
| 0 | 244 { |
| 245 assert(false); | |
| 246 } | |
| 247 | |
| 72 | 248 override void toObjFile(int multiobj) // compile to .obj file |
| 0 | 249 { |
| 250 if (ident == Id.lib) | |
| 251 { | |
| 252 assert(args && args.dim == 1); | |
| 253 | |
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254 auto e = args[0]; |
| 0 | 255 |
| 256 assert(e.op == TOKstring); | |
| 257 | |
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parents:
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258 auto se = cast(StringExp)e; |
| 180 | 259 char* name = cast(char*)malloc(se.len + 1); |
| 0 | 260 memcpy(name, se.string_, se.len); |
| 261 name[se.len] = 0; | |
| 262 version (OMFOBJ) { | |
| 263 /* The OMF format allows library names to be inserted | |
| 264 * into the object file. The linker will then automatically | |
| 265 * search that library, too. | |
| 266 */ | |
| 267 obj_includelib(name); | |
| 268 } else version (ELFOBJ_OR_MACHOBJ) { | |
| 269 /* The format does not allow embedded library names, | |
| 270 * so instead append the library name to the list to be passed | |
| 271 * to the linker. | |
| 272 */ | |
| 273 global.params.libfiles.push(cast(void*) name); | |
| 274 } else { | |
| 275 error("pragma lib not supported"); | |
| 276 } | |
| 277 } | |
| 278 /// version (DMDV2) { | |
| 279 else if (ident == Id.startaddress) | |
| 280 { | |
| 281 assert(args && args.dim == 1); | |
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282 auto e = args[0]; |
| 0 | 283 Dsymbol sa = getDsymbol(e); |
| 284 FuncDeclaration f = sa.isFuncDeclaration(); | |
| 285 assert(f); | |
| 286 Symbol* s = f.toSymbol(); | |
| 287 obj_startaddress(s); | |
| 288 } | |
| 289 /// } | |
| 290 AttribDeclaration.toObjFile(multiobj); | |
| 291 } | |
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292 } |