Mercurial > projects > ddmd
annotate dmd/DefaultStatement.d @ 192:eb38fdcb3e62 default tip
updated to compile with dmd2.062
| author | korDen |
|---|---|
| date | Sat, 02 Mar 2013 01:25:52 -0800 |
| parents | b0d41ff5e0df |
| children |
| rev | line source |
|---|---|
| 0 | 1 module dmd.DefaultStatement; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Statement; |
| 5 import dmd.Loc; | |
| 6 import dmd.Scope; | |
| 7 import dmd.Expression; | |
| 8 import dmd.InterState; | |
| 9 import dmd.OutBuffer; | |
| 10 import dmd.HdrGenState; | |
| 11 import dmd.InlineScanState; | |
| 12 import dmd.IRState; | |
| 13 import dmd.BE; | |
| 14 | |
| 15 import dmd.backend.Util; | |
| 16 import dmd.backend.OPER; | |
| 17 import dmd.backend.Blockx; | |
| 18 import dmd.backend.block; | |
| 19 import dmd.backend.BC; | |
| 20 | |
|
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b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
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21 import dmd.DDMDExtensions; |
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b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
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22 |
| 0 | 23 class DefaultStatement : Statement |
| 24 { | |
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Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
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25 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
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26 |
| 0 | 27 Statement statement; |
| 28 version (IN_GCC) { | |
| 29 block* cblock = null; // back end: label for the block | |
| 30 } | |
| 31 | |
| 32 this(Loc loc, Statement s) | |
| 33 { | |
| 178 | 34 register(); |
| 0 | 35 super(loc); |
| 36 this.statement = s; | |
| 37 } | |
| 38 | |
| 72 | 39 override Statement syntaxCopy() |
| 0 | 40 { |
| 53 | 41 DefaultStatement s = new DefaultStatement(loc, statement.syntaxCopy()); |
| 42 return s; | |
| 0 | 43 } |
| 44 | |
| 72 | 45 override Statement semantic(Scope sc) |
| 0 | 46 { |
| 47 //printf("DefaultStatement.semantic()\n"); | |
| 48 if (sc.sw) | |
| 49 { | |
| 50 if (sc.sw.sdefault) | |
| 51 { | |
| 52 error("switch statement already has a default"); | |
| 53 } | |
| 54 sc.sw.sdefault = this; | |
| 55 | |
| 56 if (sc.sw.tf !is sc.tf) | |
| 57 error("switch and default are in different finally blocks"); | |
| 58 | |
| 59 if (sc.sw.isFinal) | |
| 60 error("default statement not allowed in final switch statement"); | |
| 61 } | |
| 62 else | |
| 63 error("default not in switch statement"); | |
| 64 statement = statement.semantic(sc); | |
| 65 return this; | |
| 66 } | |
| 67 | |
| 72 | 68 override bool usesEH() |
| 0 | 69 { |
| 64 | 70 return statement.usesEH(); |
| 0 | 71 } |
| 72 | |
| 72 | 73 override BE blockExit() |
| 0 | 74 { |
| 75 return statement.blockExit(); | |
| 76 } | |
| 77 | |
| 72 | 78 override bool comeFrom() |
| 0 | 79 { |
| 80 return true; | |
| 81 } | |
| 82 | |
| 72 | 83 override Expression interpret(InterState istate) |
| 0 | 84 { |
| 85 assert(false); | |
| 86 } | |
| 87 | |
| 72 | 88 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 89 { |
| 64 | 90 buf.writestring("default:\n"); |
| 91 statement.toCBuffer(buf, hgs); | |
| 0 | 92 } |
| 93 | |
| 72 | 94 override Statement inlineScan(InlineScanState* iss) |
| 0 | 95 { |
| 96 if (statement) | |
| 97 statement = statement.inlineScan(iss); | |
| 98 return this; | |
| 99 } | |
| 100 | |
| 72 | 101 override void toIR(IRState* irs) |
| 0 | 102 { |
| 103 Blockx* blx = irs.blx; | |
| 104 block* bcase = blx.curblock; | |
| 105 block* bdefault = irs.getDefaultBlock(); | |
| 106 block_next(blx,BCgoto,bdefault); | |
| 107 list_append(&bcase.Bsucc,blx.curblock); | |
| 108 if (blx.tryblock != irs.getSwitchBlock().Btry) | |
| 109 error("default cannot be in different try block level from switch"); | |
| 110 incUsage(irs, loc); | |
| 111 if (statement) | |
| 112 statement.toIR(irs); | |
| 113 } | |
| 72 | 114 } |