private void EmitDebugVariable(FunctionCompilerContext functionContext, SequencePoint sequencePoint, DIDescriptor generatedScope, StackValue variable, DW_TAG dwarfType, string variableName, int argIndex = 0)
{
var debugType = CreateDebugType(variable.Type);
// Process fields and other dependent debug types
ProcessMissingDebugTypes();
// Read it again in case it was mutated
debugType = CreateDebugType(variable.Type);
// TODO: Detect where variable is actually declared (first use of local?)
var debugLocalVariable = LLVM.DIBuilderCreateLocalVariable(debugBuilder,
(uint)dwarfType,
generatedScope, variableName, functionContext.DebugFile, sequencePoint != null ? (uint)sequencePoint.StartLine : 0, debugType,
true, 0, (uint)argIndex);
var debugVariableDeclare = LLVM.DIBuilderInsertDeclareAtEnd(debugBuilder, variable.Value, debugLocalVariable, debugEmptyExpression,
LLVM.GetInsertBlock(builder));
LLVM.SetInstDebugLocation(builder, debugVariableDeclare);
}
private void InitializeDebug()
{
debugBuilder = LLVM.DIBuilderCreate(module);
debugEmptyExpression = LLVM.DIBuilderCreateExpression(debugBuilder, new long[0]);
}