Mercurial > projects > ldc
view tango/lib/compiler/llvmdc/arrays.d @ 314:8d98e42ece93 trunk
[svn r335] The basics of exception handling are in place.
Still need to make sure calls are turned into invokes everywhere. (NewExpression for instance)
Still some rough edges and corner cases to figure out.
Needs testing!
author | ChristianK |
---|---|
date | Wed, 02 Jul 2008 22:20:18 +0200 |
parents | 895e1b50cf2a |
children | 385a18242485 |
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private import llvm.intrinsic; extern(C): int memcmp(void*,void*,size_t); size_t strlen(char*); version(LLVM64) alias llvm_memcpy_i64 llvm_memcpy; else alias llvm_memcpy_i32 llvm_memcpy; // per-element array init routines void _d_array_init_i1(bool* a, size_t n, bool v) { auto p = a; auto end = a+n; while (p !is end) *p++ = v; } void _d_array_init_i8(ubyte* a, size_t n, ubyte v) { auto p = a; auto end = a+n; while (p !is end) *p++ = v; } void _d_array_init_i16(ushort* a, size_t n, ushort v) { auto p = a; auto end = a+n; while (p !is end) *p++ = v; } void _d_array_init_i32(uint* a, size_t n, uint v) { auto p = a; auto end = a+n; while (p !is end) *p++ = v; } void _d_array_init_i64(ulong* a, size_t n, ulong v) { auto p = a; auto end = a+n; while (p !is end) *p++ = v; } void _d_array_init_float(float* a, size_t n, float v) { auto p = a; auto end = a+n; while (p !is end) *p++ = v; } void _d_array_init_double(double* a, size_t n, double v) { auto p = a; auto end = a+n; while (p !is end) *p++ = v; } void _d_array_init_pointer(void** a, size_t n, void* v) { auto p = a; auto end = a+n; while (p !is end) *p++ = v; } void _d_array_init_mem(void* a, size_t na, void* v, size_t nv) { auto p = a; auto end = a + na*nv; while (p !is end) { llvm_memcpy(p,v,nv,0); p += nv; } } // for array cast size_t _d_array_cast_len(size_t len, size_t elemsz, size_t newelemsz) { if (newelemsz == 1) { return len*elemsz; } else if (len % newelemsz) { throw new Exception("Bad array cast"); } return (len*elemsz)/newelemsz; }