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add debug info for slices 

closes #47
master
Andrew Kelley 2016-02-07 01:53:38 -07:00
parent 7f6b0ba6ea
commit 642b38a577
1 changed files with 40 additions and 7 deletions
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47
src/analyze.cpp
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@ -467,16 +467,49 @@ static TypeTableEntry *get_slice_type(CodeGen *g, TypeTableEntry *child_type, bo
slice_type_common_init(g, child_type, is_const, entry);
LLVMZigDIType *di_element_types[] = {
pointer_type->di_type,
g->builtin_types.entry_isize->di_type,
};
LLVMZigDIScope *compile_unit_scope = LLVMZigCompileUnitToScope(g->compile_unit);
LLVMZigDIFile *di_file = nullptr;
unsigned line = 0;
entry->di_type = LLVMZigCreateReplaceableCompositeType(g->dbuilder,
LLVMZigTag_DW_structure_type(), buf_ptr(&entry->name),
compile_unit_scope, di_file, line);
uint64_t ptr_debug_size_in_bits = 8*LLVMStoreSizeOfType(g->target_data_ref, pointer_type->type_ref);
uint64_t ptr_debug_align_in_bits = 8*LLVMABISizeOfType(g->target_data_ref, pointer_type->type_ref);
uint64_t ptr_offset_in_bits = 8*LLVMOffsetOfElement(g->target_data_ref, entry->type_ref, 0);
TypeTableEntry *isize_type = g->builtin_types.entry_isize;
uint64_t len_debug_size_in_bits = 8*LLVMStoreSizeOfType(g->target_data_ref, isize_type->type_ref);
uint64_t len_debug_align_in_bits = 8*LLVMABISizeOfType(g->target_data_ref, isize_type->type_ref);
uint64_t len_offset_in_bits = 8*LLVMOffsetOfElement(g->target_data_ref, entry->type_ref, 1);
uint64_t debug_size_in_bits = 8*LLVMStoreSizeOfType(g->target_data_ref, entry->type_ref);
uint64_t debug_align_in_bits = 8*LLVMABISizeOfType(g->target_data_ref, entry->type_ref);
entry->di_type = LLVMZigCreateDebugStructType(g->dbuilder, compile_unit_scope,
buf_ptr(&entry->name), g->dummy_di_file, 0, debug_size_in_bits, debug_align_in_bits, 0,
nullptr, di_element_types, element_count, 0, nullptr, "");
LLVMZigDIType *di_element_types[] = {
LLVMZigCreateDebugMemberType(g->dbuilder, LLVMZigTypeToScope(entry->di_type),
"ptr", di_file, line,
ptr_debug_size_in_bits,
ptr_debug_align_in_bits,
ptr_offset_in_bits,
0, child_type->di_type),
LLVMZigCreateDebugMemberType(g->dbuilder, LLVMZigTypeToScope(entry->di_type),
"len", di_file, line,
len_debug_size_in_bits,
len_debug_align_in_bits,
len_offset_in_bits,
0, child_type->di_type),
};
LLVMZigDIType *replacement_di_type = LLVMZigCreateDebugStructType(g->dbuilder,
compile_unit_scope,
buf_ptr(&entry->name),
di_file, line, debug_size_in_bits, debug_align_in_bits, 0,
nullptr, di_element_types, 2, 0, nullptr, "");
LLVMZigReplaceTemporary(g->dbuilder, entry->di_type, replacement_di_type);
entry->di_type = replacement_di_type;
entry->data.structure.complete = true;