Mercurial > projects > ldc
view dmd2/builtin.c @ 984:4c0df37d0421
Removing ldc.conf. (IMPORTANT: run 'cmake .' after pull)
Added it to .hgignore.
This gets rid of spurious differences caused by CMake regenerating it differently.
Just run 'cmake .' to get it back in your local checkout.
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Thu, 19 Feb 2009 13:50:05 +0100 |
parents | f04dde6e882c |
children | 638d16625da2 |
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// Compiler implementation of the D programming language // Copyright (c) 1999-2007 by Digital Mars // All Rights Reserved // written by Walter Bright // http://www.digitalmars.com // License for redistribution is by either the Artistic License // in artistic.txt, or the GNU General Public License in gnu.txt. // See the included readme.txt for details. #include <stdio.h> #include <assert.h> #include <math.h> #include "mars.h" #include "declaration.h" #include "attrib.h" #include "expression.h" #include "scope.h" #include "mtype.h" #include "aggregate.h" #include "identifier.h" #include "id.h" #include "module.h" /********************************** * Determine if function is a builtin one. */ enum BUILTIN FuncDeclaration::isBuiltin() { static const char FeZe[] = "FeZe"; // real function(real) //printf("FuncDeclaration::isBuiltin() %s\n", toChars()); if (builtin == BUILTINunknown) { builtin = BUILTINnot; if (parent && parent->isModule()) { if (parent->ident == Id::math && parent->parent && parent->parent->ident == Id::std && !parent->parent->parent) { if (strcmp(type->deco, FeZe) == 0) { if (ident == Id::sin) builtin = BUILTINsin; else if (ident == Id::cos) builtin = BUILTINcos; else if (ident == Id::tan) builtin = BUILTINtan; else if (ident == Id::_sqrt) builtin = BUILTINsqrt; else if (ident == Id::fabs) builtin = BUILTINfabs; //printf("builtin = %d\n", builtin); } } } } return builtin; } /************************************** * Evaluate builtin function. * Return result; NULL if cannot evaluate it. */ Expression *eval_builtin(enum BUILTIN builtin, Expressions *arguments) { assert(arguments && arguments->dim); Expression *arg0 = (Expression *)arguments->data[0]; Expression *e = NULL; switch (builtin) { case BUILTINsin: if (arg0->op == TOKfloat64) e = new RealExp(0, sinl(arg0->toReal()), Type::tfloat80); break; case BUILTINcos: if (arg0->op == TOKfloat64) e = new RealExp(0, cosl(arg0->toReal()), Type::tfloat80); break; case BUILTINtan: if (arg0->op == TOKfloat64) e = new RealExp(0, tanl(arg0->toReal()), Type::tfloat80); break; case BUILTINsqrt: if (arg0->op == TOKfloat64) e = new RealExp(0, sqrtl(arg0->toReal()), Type::tfloat80); break; case BUILTINfabs: if (arg0->op == TOKfloat64) e = new RealExp(0, fabsl(arg0->toReal()), Type::tfloat80); break; } return e; }