Collect line and column information from the LocationManager

Author: Thirumalai-Shaktivel

src/libasr/codegen/asr_to_llvm.cpp

@@ -375,11 +375,20 @@ class ASRToLLVMVisitor : public ASR::BaseVisitor<ASRToLLVMVisitor>
         }
     }
 
+    void debug_get_line_column(const uint32_t &loc_first,
+            uint32_t &line, uint32_t &column) {
+        LocationManager lm;
+        lm.in_filename = infile;
+        lm.init_simple(LFortran::read_file(infile));
+        lm.pos_to_linecol(lm.output_to_input_pos(loc_first, false), line, column);
+    }
+
     template <typename T>
     void debug_emit_loc(const T &x) {
         Location loc = x.base.base.loc;
         uint32_t line, column;
         if (emit_debug_line_column) {
+            debug_get_line_column(loc.first, line, column);
         } else {
             line = loc.first;
             column = 0;
@@ -397,6 +406,7 @@ class ASRToLLVMVisitor : public ASR::BaseVisitor<ASRToLLVMVisitor>
         llvm::DIScope *FContext = debug_Unit;
         uint32_t line, column;
         if (emit_debug_line_column) {
+            debug_get_line_column(x.base.base.loc.first, line, column);
         } else {
             line = 0;
         }
@@ -2617,6 +2627,7 @@ class ASRToLLVMVisitor : public ASR::BaseVisitor<ASRToLLVMVisitor>
                         builder->SetCurrentDebugLocation(nullptr);
                         uint32_t line, column;
                         if (emit_debug_line_column) {
+                            debug_get_line_column(v->base.base.loc.first, line, column);
                         } else {
                             line = v->base.base.loc.first;
                             column = 0;