Method EmitErrorMessage

source/opt/ir_context.cpp:1075–1109

}

void IRContext::EmitErrorMessage(std::string message, Instruction* inst) {
  if (!consumer()) {
    return;
  }

  Instruction* line_inst = inst;
  while (line_inst != nullptr) {  // Stop at the beginning of the basic block.
    if (!line_inst->dbg_line_insts().empty()) {
      line_inst = &line_inst->dbg_line_insts().back();
      if (line_inst->IsNoLine()) {
        line_inst = nullptr;
      }
      break;
    }
    line_inst = line_inst->PreviousNode();
  }

  uint32_t line_number = 0;
  uint32_t col_number = 0;
  std::string source;
  if (line_inst != nullptr) {
    Instruction* file_name =
        get_def_use_mgr()->GetDef(line_inst->GetSingleWordInOperand(0));
    source = file_name->GetInOperand(0).AsString();

    // Get the line number and column number.
    line_number = line_inst->GetSingleWordInOperand(1);
    col_number = line_inst->GetSingleWordInOperand(2);
  }

  message +=
      "\n  " + inst->PrettyPrint(SPV_BINARY_TO_TEXT_OPTION_FRIENDLY_NAMES);
  consumer()(SPV_MSG_ERROR, source.c_str(), {line_number, col_number, 0},
             message.c_str());
}

// Gets the dominator analysis for function |f|.
DominatorAnalysis* IRContext::GetDominatorAnalysis(const Function* f) {