Mercurial > projects > dil
annotate trunk/src/Parser.d @ 71:b3777cca323c
- Added Identity and NotIdentity tokens.
- Added constructor to Parser. Added error method and parseCondExpression().
- Added parseAssignExpression() method.
- Moved arguments() function from error() method of Lexer to module Information.
- Added members and constructor to BinaryExpression.
- Added XYZAssignExpression classes.
- Added calls to super() to classes that inherit from BinaryExpression.
| author | aziz |
|---|---|
| date | Sun, 01 Jul 2007 16:16:05 +0000 |
| parents | 0d3ef6daec04 |
| children | f75e359f939f |
| rev | line source |
|---|---|
| 0 | 1 /++ |
| 2 Author: Aziz Köksal | |
| 3 License: GPL2 | |
| 4 +/ | |
| 65 | 5 module Parser; |
|
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- Added module Information for compiler messages like warnings, info and errors to the user.
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6 import Lexer; |
| 71 | 7 import Token; |
| 8 import Messages; | |
| 9 import Information; | |
| 70 | 10 import Expressions; |
| 65 | 11 |
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12 enum STC |
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13 { |
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14 Abstract, |
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15 Auto, |
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16 Const, |
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17 Deprecated, |
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18 Extern, |
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19 Final, |
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20 Invariant, |
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21 Override, |
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22 Scope, |
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23 Static, |
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24 Synchronized |
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25 } |
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26 |
| 71 | 27 private alias TOK T; |
| 28 | |
| 65 | 29 class Parser |
| 30 { | |
| 71 | 31 Lexer lx; |
| 32 TOK delegate() nT; | |
| 33 | |
| 34 Information[] errors; | |
| 35 | |
| 36 this(char[] srcText, string fileName) | |
| 37 { | |
| 38 lx = new Lexer(srcText, fileName); | |
| 39 nT = &lx.nextToken; | |
| 40 } | |
| 70 | 41 |
| 71 | 42 Expression parseAssignExpression() |
| 43 { | |
| 44 auto e = parseCondExpression(); | |
| 45 switch (lx.token.type) | |
| 46 { | |
| 47 case T.Assign: | |
| 48 nT(); e = new AssignExpression(e, parseAssignExpression()); | |
| 49 break; | |
| 50 case T.LShiftAssign: | |
| 51 nT(); e = new LShiftAssignExpression(e, parseAssignExpression()); | |
| 52 break; | |
| 53 case T.RShiftAssign: | |
| 54 nT(); e = new RShiftAssignExpression(e, parseAssignExpression()); | |
| 55 break; | |
| 56 case T.URShiftAssign: | |
| 57 nT(); e = new URShiftAssignExpression(e, parseAssignExpression()); | |
| 58 break; | |
| 59 case T.OrAssign: | |
| 60 nT(); e = new OrAssignExpression(e, parseAssignExpression()); | |
| 61 break; | |
| 62 case T.AndAssign: | |
| 63 nT(); e = new AndAssignExpression(e, parseAssignExpression()); | |
| 64 break; | |
| 65 case T.PlusAssign: | |
| 66 nT(); e = new PlusAssignExpression(e, parseAssignExpression()); | |
| 67 break; | |
| 68 case T.MinusAssign: | |
| 69 nT(); e = new MinusAssignExpression(e, parseAssignExpression()); | |
| 70 break; | |
| 71 case T.DivAssign: | |
| 72 nT(); e = new DivAssignExpression(e, parseAssignExpression()); | |
| 73 break; | |
| 74 case T.MulAssign: | |
| 75 nT(); e = new MulAssignExpression(e, parseAssignExpression()); | |
| 76 break; | |
| 77 case T.ModAssign: | |
| 78 nT(); e = new ModAssignExpression(e, parseAssignExpression()); | |
| 79 break; | |
| 80 case T.XorAssign: | |
| 81 nT(); e = new XorAssignExpression(e, parseAssignExpression()); | |
| 82 break; | |
| 83 case T.CatAssign: | |
| 84 nT(); e = new CatAssignExpression(e, parseAssignExpression()); | |
| 85 break; | |
| 86 default: | |
| 87 break; | |
| 88 } | |
| 89 return e; | |
| 90 } | |
| 91 Expression parseCondExpression() | |
| 92 { | |
| 93 return new Expression(); | |
| 94 } | |
| 95 | |
| 96 void error(MID id, ...) | |
| 97 { | |
| 98 errors ~= new Information(Information.Type.Parser, id, lx.loc, arguments(_arguments, _argptr)); | |
| 99 } | |
| 65 | 100 } |