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comparison src/dil/semantic/Interpreter.d @ 835:451ede0105e0

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Applied minor fixes and tidied some code up a bit.
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Tue, 12 Aug 2008 02:59:11 +0200
parents 09a64d96967a
children
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834:8bcf482b2062 835:451ede0105e0
41 /// Returns: NAR or a value. 41 /// Returns: NAR or a value.
42 static Expression interpret(Expression e, InfoManager infoMan/+, Scope scop+/) 42 static Expression interpret(Expression e, InfoManager infoMan/+, Scope scop+/)
43 { 43 {
44 return (new Interpreter(/+scop,+/ infoMan)).eval(e); 44 return (new Interpreter(/+scop,+/ infoMan)).eval(e);
45 } 45 }
46 46
47 /// Executes the function at compile-time with the given arguments. 47 /// Executes the function at compile-time with the given arguments.
48 /// Returns: NAR or a value. 48 /// Returns: NAR or a value.
49 static Expression interpret(FunctionDeclaration fd, Expression[] args, InfoManager infoMan/+, Scope scop+/) 49 static Expression interpret(FunctionDeclaration fd, Expression[] args, InfoManager infoMan/+, Scope scop+/)
50 { 50 {
51 return (new Interpreter(/+scop,+/ infoMan)).eval(fd, args); 51 return (new Interpreter(/+scop,+/ infoMan)).eval(fd, args);
61 /// Start evaluation. 61 /// Start evaluation.
62 Expression eval(Expression e) 62 Expression eval(Expression e)
63 { 63 {
64 return e; 64 return e;
65 } 65 }
66 66
67 /// Start evaluation of a function. 67 /// Start evaluation of a function.
68 Expression eval(FunctionDeclaration fd, Expression[] args) 68 Expression eval(FunctionDeclaration fd, Expression[] args)
69 { 69 {
70 // We cache this result so that we don't blindly try to reevaluate functions 70 // We cache this result so that we don't blindly try to reevaluate functions
71 // that can't be evaluated at compile time 71 // that can't be evaluated at compile time
83 83
84 // remove me plx 84 // remove me plx
85 assert(false); 85 assert(false);
86 return NAR; 86 return NAR;
87 } 87 }
88 88
89 alias Expression E; 89 alias Expression E;
90 90
91 override 91 override
92 { 92 {
93 E visit(CondExpression e) 93 E visit(CondExpression e)
258 static bool isBool(Expression e, bool value) 258 static bool isBool(Expression e, bool value)
259 { 259 {
260 switch(e.kind) 260 switch(e.kind)
261 { 261 {
262 alias NodeKind NK; 262 alias NodeKind NK;
263 263
264 case NK.IntExpression: 264 case NK.IntExpression:
265 auto num = (cast(IntExpression)e).number; 265 auto num = (cast(IntExpression)e).number;
266 return num ? value == true : value == false; 266 return num ? value == true : value == false;
267 267
268 case NK.RealExpression: 268 case NK.RealExpression: