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view gen/utils.h @ 1508:e1e93343fc11
Move function codegen data from IrFunction to new FuncGen.
This change reduces memory consumption significantly by releasing the
memory held by the STL containers that are now inside FuncGen.
author | Christian Kamm <kamm incasoftware de> |
---|---|
date | Sat, 20 Jun 2009 19:11:44 +0200 |
parents | ec1d9dc1d32a |
children |
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#ifndef __LDC_GEN_UTILS_H__ #define __LDC_GEN_UTILS_H__ #include "root.h" /// Very simple templated iterator for DMD ArrayS. template<class C> struct ArrayIter { Array* array; size_t index; ArrayIter(Array& arr, size_t idx = 0) : array(&arr), index(idx) { } ArrayIter(Array* arr, size_t idx = 0) : array(arr), index(idx) { assert(arr && "null array"); } ArrayIter<C>& operator=(const Array& arr) { array = &arr; index = 0; return *this; } ArrayIter<C>& operator=(const Array* arr) { assert(arr && "null array"); array = arr; index = 0; return *this; } bool done() { return index >= array->dim; } bool more() { return index < array->dim; } C* get() { return static_cast<C*>(array->data[index]); } C* operator->() { return get(); } C* operator*() { return get(); } void next() { ++index; } bool operator==(const ArrayIter<C>& other) { return &array->data[index] == &other.array->data[other.index]; } }; // some aliases typedef ArrayIter<Dsymbol> DsymbolIter; typedef ArrayIter<FuncDeclaration> FuncDeclarationIter; typedef ArrayIter<VarDeclaration> VarDeclarationIter; #endif