Mercurial > projects > ddmd
annotate dmd/FileExp.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 |
|---|---|
| 72 | 1 module dmd.FileExp; |
| 2 | |
| 114 | 3 import dmd.common; |
| 72 | 4 import dmd.Expression; |
| 163 | 5 import dmd.File; |
| 72 | 6 import dmd.UnaExp; |
| 163 | 7 import dmd.StringExp; |
| 8 import dmd.WANT; | |
| 9 import dmd.Global; | |
| 10 import dmd.FileName; | |
| 72 | 11 import dmd.OutBuffer; |
| 12 import dmd.Loc; | |
| 13 import dmd.Scope; | |
| 14 import dmd.HdrGenState; | |
| 15 import dmd.TOK; | |
| 16 | |
| 163 | 17 import core.stdc.stdio; |
| 18 | |
|
187
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
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changeset
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19 import dmd.DDMDExtensions; |
|
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
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changeset
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20 |
| 0 | 21 class FileExp : UnaExp |
| 22 { | |
|
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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23 mixin insertMemberExtension!(typeof(this)); |
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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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24 |
| 0 | 25 this(Loc loc, Expression e) |
| 26 { | |
| 178 | 27 register(); |
| 162 | 28 super(loc, TOKmixin, FileExp.sizeof, e); |
| 0 | 29 } |
| 30 | |
| 72 | 31 override Expression semantic(Scope sc) |
| 0 | 32 { |
| 163 | 33 StringExp se; |
| 34 | |
| 35 version (LOGSEMANTIC) { | |
| 36 printf("FileExp.semantic('%.*s')\n", toChars()); | |
| 37 } | |
| 38 UnaExp.semantic(sc); | |
| 39 e1 = resolveProperties(sc, e1); | |
| 40 e1 = e1.optimize(WANTvalue); | |
| 41 if (e1.op != TOKstring) | |
| 42 { | |
| 43 error("file name argument must be a string, not (%s)", e1.toChars()); | |
| 44 goto Lerror; | |
| 45 } | |
| 46 se = cast(StringExp)e1; | |
| 47 se = se.toUTF8(sc); | |
| 48 | |
| 49 string name = (cast(immutable(char)*)se.string_)[0..se.len]; | |
| 50 | |
| 51 if (!global.params.fileImppath) | |
| 52 { | |
| 53 error("need -Jpath switch to import text file %s", name); | |
| 54 goto Lerror; | |
| 55 } | |
| 56 | |
| 57 if (name != FileName.name(name)) | |
| 58 { | |
| 59 error("use -Jpath switch to provide path for filename %s", name); | |
| 60 goto Lerror; | |
| 61 } | |
| 62 | |
| 63 name = FileName.searchPath(global.filePath, name, 0); | |
| 64 if (!name) | |
| 65 { | |
| 66 error("file %s cannot be found, check -Jpath", se.toChars()); | |
| 67 goto Lerror; | |
| 68 } | |
| 69 | |
| 70 if (global.params.verbose) | |
| 71 printf("file %s\t(%s)\n", cast(char*)se.string_, name); | |
| 72 | |
| 73 { | |
| 74 scope File f = new File(name); | |
| 75 if (f.read()) | |
| 76 { | |
| 77 error("cannot read file %s", f.toChars()); | |
| 78 goto Lerror; | |
| 79 } | |
| 80 else | |
| 81 { | |
| 82 f.ref_ = 1; | |
| 83 se = new StringExp(loc, (cast(immutable(char)*)f.buffer)[0..f.len]); | |
| 84 } | |
| 85 } | |
| 86 Lret: | |
| 87 return se.semantic(sc); | |
| 88 | |
| 89 Lerror: | |
| 90 se = new StringExp(loc, ""); | |
| 91 goto Lret; | |
| 0 | 92 } |
| 93 | |
| 72 | 94 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 95 { |
| 96 assert(false); | |
| 97 } | |
| 98 } | |
| 99 |