Mercurial > projects > dang
annotate sema/ScopeBuilder.d @ 119:c0b531362ca6
Non compileing commit. Work on floating points and casts
author | Anders Johnsen <skabet@gmail.com> |
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date | Sun, 25 May 2008 19:13:07 +0200 |
parents | 189c049cbfcc |
children | ed815b31479b |
rev | line source |
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92
771ac63898e2
A few better parser errors plus renaming most of the sema classes to match that they do now. Some have changes a lot.
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1 module sema.ScopeBuilder; |
1 | 2 |
14 | 3 import tango.io.Stdout, |
4 tango.core.Array : find; | |
1 | 5 |
26 | 6 public |
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771ac63898e2
A few better parser errors plus renaming most of the sema classes to match that they do now. Some have changes a lot.
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parents:
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7 import sema.Scope; |
1 | 8 |
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9 import sema.Visitor, |
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10 basic.SmallArray; |
1 | 11 |
92
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A few better parser errors plus renaming most of the sema classes to match that they do now. Some have changes a lot.
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parents:
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12 class ForwardReference : Visitor!(void) |
1 | 13 { |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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14 override void visit(Module[] modules) |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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15 { |
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16 this.modules = modules; |
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17 super.visit(modules); |
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18 } |
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19 |
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20 override void visitFuncDecl(FuncDecl d) |
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21 { |
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Now Decl's have a DType type(), and should use varType and returnType to get the old type id
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22 visitExp(d.returnType); |
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23 visitExp(d.identifier); |
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24 foreach (arg; d.funcArgs) |
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25 visitDecl(arg); |
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26 foreach (stmt; d.statements) |
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27 visitStmt(stmt); |
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28 |
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29 d.env.find(d.identifier).setType(d.type); |
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30 } |
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31 |
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32 override void visitVarDecl(VarDecl d) |
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33 { |
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34 visitExp(d.varType); |
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Fixed a bug that made arrays as params fail big time
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35 visitExp(d.identifier); |
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36 |
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37 if (d.init) |
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38 visitExp(d.init); |
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parents:
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39 |
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40 d.env.find(d.identifier).setType( typeOf(d.varType, d.env) ); |
53
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41 } |
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42 |
da551f90e03f
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43 override void visitStructDecl(StructDecl s) |
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44 { |
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Cleanup of codegen, better support for operators a few bugfixes
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45 super.visitStructDecl(s); |
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46 |
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47 DType[char[]] types; |
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Now structs are somewhat useable to use.
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48 |
64
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Fixed some bugs, removed the function gathering pass in codegen and types are
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49 auto st = s.env.types[s.identifier.get].asStruct; |
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50 foreach (decl; s.decls) |
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51 if (auto varDecl = cast(VarDecl)decl) |
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Parsing methods in structs - error on semantics though.
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52 st.addMember(typeOf(varDecl.varType, varDecl.env), varDecl.identifier.get); |
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53 else if (auto fd = cast(FuncDecl)decl) |
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54 st.addMember(fd.type, fd.identifier.get); |
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parents:
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55 } |
da551f90e03f
Added struct decl and forward ref. A note on structs: they need to make a new scope when declared. Otherwise you could access struct members as globals
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56 |
da551f90e03f
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57 DType typeOf(Identifier id, Scope sc) |
da551f90e03f
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58 { |
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Now able of --ast-dump-code with Pointer types and also codeGen int* x;
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59 if(auto i = cast(PointerIdentifier)id) |
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60 return (typeOf(i.pointerOf, sc)).getPointerTo(); |
81 | 61 if(auto i = cast(ArrayIdentifier)id) |
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62 return typeOf(i.arrayOf, sc).getAsArray(i.size); |
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63 return sc.findType(id); |
da551f90e03f
Added struct decl and forward ref. A note on structs: they need to make a new scope when declared. Otherwise you could access struct members as globals
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64 } |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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parents:
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65 |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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parents:
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66 Module[] modules; |
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67 } |
da551f90e03f
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68 |
da551f90e03f
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69 class ScopeBuilder : Visitor!(void) |
da551f90e03f
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70 { |
101
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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71 static ModuleHandler mHandle; |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
Anders Johnsen <skabet@gmail.com>
parents:
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72 |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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73 static this() |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
Anders Johnsen <skabet@gmail.com>
parents:
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74 { |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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75 mHandle = new ModuleHandler; |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
Anders Johnsen <skabet@gmail.com>
parents:
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76 } |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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77 |
1 | 78 this() |
79 { | |
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Anders Johnsen <skabet@gmail.com>
parents:
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80 } |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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parents:
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81 |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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82 override void visit(Module[] modules) |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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parents:
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83 { |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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84 foreach(m ; modules) |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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85 visitModule(m); |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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parents:
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86 |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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87 auto fr = new ForwardReference(); |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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88 |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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89 fr.visit(modules); |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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90 } |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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91 |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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92 override void visitModule(Module m) |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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93 { |
1 | 94 table ~= new Scope; |
101
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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95 table[table.length-1].types["void"] = DType.Void; |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
Anders Johnsen <skabet@gmail.com>
parents:
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96 table[table.length-1].types["bool"] = DType.Bool; |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
Anders Johnsen <skabet@gmail.com>
parents:
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97 table[table.length-1].types["byte"] = DType.Byte; |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
Anders Johnsen <skabet@gmail.com>
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98 table[table.length-1].types["ubyte"] = DType.UByte; |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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99 table[table.length-1].types["short"] = DType.Short; |
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100 table[table.length-1].types["ushort"] = DType.UShort; |
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101 table[table.length-1].types["int"] = DType.Int; |
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102 table[table.length-1].types["uint"] = DType.UInt; |
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103 table[table.length-1].types["long"] = DType.Long; |
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104 table[table.length-1].types["ulong"] = DType.ULong; |
103
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105 table[table.length-1].types["char"] = DType.Char; |
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106 table[table.length-1].types["wchar"] = DType.WChar; |
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107 table[table.length-1].types["dchar"] = DType.DChar; |
1 | 108 |
119
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109 table[table.length-1].types["float"] = DType.Float; |
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110 table[table.length-1].types["double"] = DType.Double; |
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111 table[table.length-1].types["real"] = DType.Real; |
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112 |
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113 current().inModule = m; |
101
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114 current().mHandle = mHandle; |
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115 mHandle.add(m); |
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116 m.env = current(); |
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117 super.visitModule(m); |
1 | 118 } |
119 | |
120 override void visitDecl(Decl d) | |
121 { | |
122 d.env = current(); | |
123 super.visitDecl(d); | |
124 } | |
125 | |
101
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126 override void visitImportDecl(ImportDecl i) |
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127 { |
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128 i.env.imports ~= i; |
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129 super.visitImportDecl(i); |
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130 } |
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131 |
1 | 132 override void visitStmt(Stmt s) |
133 { | |
134 s.env = current(); | |
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135 s.stmtIndex = s.env.stmtIndex; |
1 | 136 super.visitStmt(s); |
137 } | |
138 | |
139 override void visitExp(Exp e) | |
140 { | |
141 e.env = current(); | |
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142 e.stmtIndex = e.env.stmtIndex; |
1 | 143 super.visitExp(e); |
144 } | |
145 | |
146 override void visitFuncDecl(FuncDecl d) | |
147 { | |
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148 current().add(d.identifier); |
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149 auto sc = push(); |
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150 |
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151 visitExp(d.returnType); |
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152 visitExp(d.identifier); |
1 | 153 d.env = current(); |
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154 sc.parentFunction = d; |
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155 foreach (arg; d.funcArgs) |
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156 visitDecl(arg); |
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157 foreach (stmt; d.statements) |
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158 { |
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159 sc.currentStmtIndex++; |
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160 visitStmt(stmt); |
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161 } |
14 | 162 pop(sc); |
1 | 163 } |
164 | |
165 override void visitVarDecl(VarDecl d) | |
166 { | |
24 | 167 if (d.init) |
168 visitExp(d.init); | |
169 | |
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170 if (need_push > 0 && current().parentFunction !is null) { |
24 | 171 push(); |
172 --need_push; | |
173 } | |
174 | |
1 | 175 auto sc = current(); |
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176 sc.add(d.identifier); |
24 | 177 d.env = sc; |
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178 visitExp(d.varType); |
24 | 179 visitExp(d.identifier); |
1 | 180 } |
181 | |
22 | 182 override void visitStructDecl(StructDecl s) |
183 { | |
184 auto sc = current(); | |
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185 sc.add(s.identifier); |
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186 s.env = sc; |
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187 auto type = new DStruct(s.identifier); |
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188 |
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189 sc.types[s.identifier.get] = type; |
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190 |
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191 sc = push(); |
22 | 192 super.visitStructDecl(s); |
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193 pop(sc); |
22 | 194 } |
195 | |
14 | 196 override void visitDeclStmt(DeclStmt d) |
197 { | |
24 | 198 ++need_push; |
14 | 199 super.visitDeclStmt(d); |
200 } | |
24 | 201 private uint need_push = 0; |
14 | 202 |
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203 override void visitIfStmt(IfStmt s) |
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204 { |
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205 s.env = current(); |
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206 visitExp(s.cond); |
14 | 207 auto sc = push(); |
45 | 208 visitStmt(s.then_body); |
14 | 209 pop(sc); |
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210 |
45 | 211 if (s.else_body !is null) |
212 { | |
213 sc = push(); | |
214 visitStmt(s.else_body); | |
215 pop(sc); | |
216 } | |
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217 } |
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218 |
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219 override void visitWhileStmt(WhileStmt s) |
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220 { |
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221 s.env = current(); |
14 | 222 auto sc = push(); |
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223 super.visitWhileStmt(s); |
14 | 224 pop(sc); |
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225 } |
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226 |
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227 override void visitCompoundStmt(CompoundStatement s) |
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228 { |
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229 s.env = current(); |
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230 auto sc = push(); |
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231 super.visitCompoundStmt(s); |
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232 pop(sc); |
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233 } |
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234 |
1 | 235 private: |
236 Scope[] table; | |
237 | |
14 | 238 Scope push() |
1 | 239 { |
14 | 240 auto sc = new Scope(current()); |
241 table ~= sc; | |
242 return sc; | |
1 | 243 } |
244 | |
14 | 245 Scope pop(Scope sc = null) |
1 | 246 { |
14 | 247 if (sc !is null) |
248 { | |
249 table.length = table.find(sc); | |
250 return sc; | |
251 } | |
252 | |
1 | 253 auto res = table[$ - 1]; |
254 table.length = table.length - 1; | |
255 return res; | |
256 } | |
257 | |
258 Scope current() | |
259 { | |
260 return table[$ - 1]; | |
261 } | |
262 } | |
263 |