Mercurial > projects > ddmd
annotate dmd/VersionSymbol.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 | e3afd1303184 |
| children |
| rev | line source |
|---|---|
| 0 | 1 module dmd.VersionSymbol; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Dsymbol; |
| 5 import dmd.Loc; | |
| 6 import dmd.Identifier; | |
| 7 import dmd.Module; | |
| 8 import dmd.Array; | |
| 9 import dmd.VersionCondition; | |
| 10 import dmd.Scope; | |
| 11 import dmd.ScopeDsymbol; | |
| 12 import dmd.HdrGenState; | |
| 13 import dmd.String; | |
| 14 import dmd.OutBuffer; | |
| 15 | |
|
187
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
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16 import dmd.DDMDExtensions; |
|
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
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17 |
| 129 | 18 /* VersionSymbol's happen for statements like: |
| 19 * version = identifier; | |
| 20 * version = integer; | |
| 21 */ | |
| 0 | 22 class VersionSymbol : Dsymbol |
| 23 { | |
|
187
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
|
24 mixin insertMemberExtension!(typeof(this)); |
|
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
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25 |
| 0 | 26 uint level; |
| 27 | |
| 28 this(Loc loc, Identifier ident) | |
| 29 { | |
| 178 | 30 register(); |
| 0 | 31 super(ident); |
| 32 this.loc = loc; | |
| 33 } | |
| 178 | 34 |
| 0 | 35 this(Loc loc, uint level) |
| 36 { | |
| 178 | 37 register(); |
| 0 | 38 super(); |
| 39 | |
| 40 this.level = level; | |
| 41 this.loc = loc; | |
| 42 } | |
| 178 | 43 |
| 72 | 44 override Dsymbol syntaxCopy(Dsymbol s) |
| 0 | 45 { |
| 129 | 46 assert(!s); |
| 47 VersionSymbol ds = new VersionSymbol(loc, ident); | |
| 48 ds.level = level; | |
| 49 return ds; | |
| 0 | 50 } |
| 178 | 51 |
| 72 | 52 override bool addMember(Scope sc, ScopeDsymbol s, bool memnum) |
| 0 | 53 { |
| 54 //printf("VersionSymbol::addMember('%s') %s\n", sd->toChars(), toChars()); | |
| 55 | |
| 56 // Do not add the member to the symbol table, | |
| 57 // just make sure subsequent debug declarations work. | |
| 58 Module m = s.isModule(); | |
| 59 if (ident) | |
| 60 { | |
| 61 VersionCondition.checkPredefined(loc, ident.toChars()); | |
| 62 if (!m) | |
| 63 error("declaration must be at module level"); | |
| 64 else | |
| 65 { | |
| 66 if (findCondition(m.versionidsNot, ident)) | |
| 67 error("defined after use"); | |
| 178 | 68 m.versionids.push(ident.toChars()); |
| 0 | 69 } |
| 70 } | |
| 71 else | |
| 72 { | |
| 73 if (!m) | |
| 74 error("level declaration must be at module level"); | |
| 75 else | |
| 76 m.versionlevel = level; | |
| 77 } | |
| 78 | |
| 79 return false; | |
| 80 } | |
| 178 | 81 |
| 72 | 82 override void semantic(Scope sc) |
| 0 | 83 { |
| 84 } | |
| 178 | 85 |
| 72 | 86 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 87 { |
| 129 | 88 buf.writestring("version = "); |
| 89 if (ident) | |
| 90 buf.writestring(ident.toChars()); | |
| 91 else | |
| 92 buf.printf("%u", level); | |
| 93 buf.writestring(";"); | |
| 94 buf.writenl(); | |
| 0 | 95 } |
| 178 | 96 |
| 72 | 97 override string kind() |
| 0 | 98 { |
| 129 | 99 return "version"; |
| 0 | 100 } |
| 72 | 101 } |