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fix compile time array concatenation for slices

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closes #866
This commit is contained in:
Andrew Kelley
2018-03-28 23:25:12 -04:00
parent 5627347bab
commit 032fccf615
2 changed files with 29 additions and 1 deletions
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18
src/ir.cpp
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@@ -11058,6 +11058,24 @@ static TypeTableEntry *ir_analyze_array_cat(IrAnalyze *ira, IrInstructionBinOp *
result_type = get_array_type(ira->codegen, child_type, new_len);
out_array_val = out_val;
} else if (is_slice(op1_type) || is_slice(op2_type)) {
TypeTableEntry *ptr_type = get_pointer_to_type(ira->codegen, child_type, true);
result_type = get_slice_type(ira->codegen, ptr_type);
out_array_val = create_const_vals(1);
out_array_val->special = ConstValSpecialStatic;
out_array_val->type = get_array_type(ira->codegen, child_type, new_len);
out_val->data.x_struct.fields = create_const_vals(2);
out_val->data.x_struct.fields[slice_ptr_index].type = ptr_type;
out_val->data.x_struct.fields[slice_ptr_index].special = ConstValSpecialStatic;
out_val->data.x_struct.fields[slice_ptr_index].data.x_ptr.special = ConstPtrSpecialBaseArray;
out_val->data.x_struct.fields[slice_ptr_index].data.x_ptr.data.base_array.array_val = out_array_val;
out_val->data.x_struct.fields[slice_ptr_index].data.x_ptr.data.base_array.elem_index = 0;
out_val->data.x_struct.fields[slice_len_index].type = ira->codegen->builtin_types.entry_usize;
out_val->data.x_struct.fields[slice_len_index].special = ConstValSpecialStatic;
bigint_init_unsigned(&out_val->data.x_struct.fields[slice_len_index].data.x_bigint, new_len);
} else {
new_len += 1; // null byte