diff --git a/bin/CMakeLists.txt b/bin/CMakeLists.txt
index 3dde7a4..5b88c5d 100644
--- a/bin/CMakeLists.txt
+++ b/bin/CMakeLists.txt
@@ -1,11 +1,11 @@
-add_executable(serene serene.cpp)
+add_executable(serenec serene.cpp)
 # Make sure to generate files related to the dialects first
-add_dependencies(serene SereneDialectGen)
+add_dependencies(serenec SereneDialectGen)
 
-target_compile_features(serene PRIVATE cxx_std_14)
+target_compile_features(serenec PRIVATE cxx_std_14)
 
-target_link_libraries(serene PRIVATE
-  lserene
+target_link_libraries(serenec PRIVATE
+  serene
   ${llvm_libs}
   fmt::fmt
   MLIRAnalysis
@@ -19,6 +19,6 @@ target_link_libraries(serene PRIVATE
 target_include_directories(serene SYSTEM PRIVATE $ENV{INCLUDE})
 target_include_directories(serene PRIVATE ${INCLUDE_DIR})
 
-install(TARGETS serene DESTINATION bin)
+install(TARGETS serenec DESTINATION bin)
 install(FILES "${PROJECT_BINARY_DIR}/config.h" DESTINATION include)
-cotire(serene)
+cotire(serenec)
diff --git a/bin/serene.cpp b/bin/serene.cpp
index 7f8de4d..9b8ddbf 100644
--- a/bin/serene.cpp
+++ b/bin/serene.cpp
@@ -23,7 +23,7 @@
  */
 
 #include "serene/serene.hpp"
-#include "serene/reader.hpp"
+#include "serene/reader/reader.hpp"
 #include "serene/sir/sir.hpp"
 #include <iostream>
 #include <llvm/Support/CommandLine.h>
@@ -52,13 +52,13 @@ int main(int argc, char *argv[]) {
 
   switch (emitAction) {
   case Action::DumpAST: {
-    FileReader *r = new FileReader(inputFile);
+    reader::FileReader *r = new reader::FileReader(inputFile);
     r->dumpAST();
     delete r;
     return 0;
   }
   case Action::DumpIR: {
-    FileReader *r = new FileReader(inputFile);
+    reader::FileReader *r = new reader::FileReader(inputFile);
 
     serene::sir::dumpSIR(*r->read());
     delete r;
diff --git a/builder b/builder
index 0f7fb35..6304aa7 100755
--- a/builder
+++ b/builder
@@ -47,7 +47,7 @@ function clean() {
 
 function run() {
     pushed_build
-    $BUILD_DIR/bin/serene "$@"
+    $BUILD_DIR/bin/serenec "$@"
     popd_build
 }
 
diff --git a/include/serene/reader/location.hpp b/include/serene/reader/location.hpp
new file mode 100644
index 0000000..c51dc2a
--- /dev/null
+++ b/include/serene/reader/location.hpp
@@ -0,0 +1,48 @@
+/**
+ * Serene programming language.
+ *
+ *  Copyright (c) 2020 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef LOCATION_H
+#define LOCATION_H
+
+namespace serene {
+namespace reader {
+/**
+ * It represents a location in the input string to the parser via `line`,
+ */
+struct Location {
+  int pos; // Position of in the input string.
+  int line;
+  int col;
+};
+
+struct LocationRange {
+  Location start;
+  Location end;
+};
+
+void inc_location(Location &, bool);
+
+} // namespace reader
+} // namespace serene
+#endif
diff --git a/include/serene/reader.hpp b/include/serene/reader/reader.hpp
similarity index 95%
rename from include/serene/reader.hpp
rename to include/serene/reader/reader.hpp
index 14a61cb..fd03719 100644
--- a/include/serene/reader.hpp
+++ b/include/serene/reader/reader.hpp
@@ -36,6 +36,7 @@
 #include "serene/expr.hpp"
 #include "serene/list.hpp"
 #include "serene/logger.hpp"
+#include "serene/reader/location.hpp"
 #include "serene/serene.hpp"
 #include "serene/symbol.hpp"
 
@@ -46,6 +47,7 @@
 #endif
 
 namespace serene {
+namespace reader {
 
 class ReadError : public std::exception {
 private:
@@ -59,6 +61,7 @@ public:
 class Reader {
 private:
   std::stringstream input_stream;
+  Location current_location{0, 0, 0};
 
   char get_char(bool skip_whitespace);
   void unget_char();
@@ -99,6 +102,6 @@ public:
 
   ~FileReader();
 };
+} // namespace reader
 } // namespace serene
-
 #endif
diff --git a/include/serene/sir/dialect.td b/include/serene/sir/dialect.td
index 58e9810..bb45e19 100644
--- a/include/serene/sir/dialect.td
+++ b/include/serene/sir/dialect.td
@@ -74,7 +74,10 @@ def ValueOp: Serene_Op<"value"> {
     // let verifier = [{ return serene::sir::verify(*this); }];
 
     let builders = [
-        OpBuilder<(ins "int":$value)>,
+        OpBuilder<(ins "int":$value), [{
+        // Build from fix 64 bit int
+        build(odsBuilder, odsState, odsBuilder.getI64Type(), (uint64_t) value);
+        }]>,
     ];
 }
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 63a68a3..7ffab84 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,37 +1,46 @@
-# Optionally glob, but only for CMake 3.12 or later:
-#file(GLOB HEADER_LIST CONFIGURE_DEPENDS "${INCLUDE_DIR}/**/*.hpp")
-#file(GLOB SOURCES_LIST CONFIGURE_DEPENDS "${SOURCE_DIR}/**/*.cpp")
 set(HEADER_LIST
   "${INCLUDE_DIR}/serene/expr.hpp"
   "${INCLUDE_DIR}/serene/serene.hpp"
   "${INCLUDE_DIR}/serene/state.hpp"
+  # Reader
+  "${INCLUDE_DIR}/serene/reader/reader.hpp"
+  "${INCLUDE_DIR}/serene/reader/location.hpp"
+
+
   "${INCLUDE_DIR}/serene/sir/sir.hpp"
   "${INCLUDE_DIR}/serene/sir/dialect.hpp"
-    "${INCLUDE_DIR}/serene/sir/generator.hpp"
+  "${INCLUDE_DIR}/serene/sir/generator.hpp"
   "${INCLUDE_DIR}/serene/namespace.hpp")
 
 # Make an automatic library - will be static or dynamic based on user setting
-add_library(lserene
+add_library(serene
   serene.cpp
-  reader.cpp
   symbol.cpp
   list.cpp
   namespace.cpp
   state.cpp
+
+  # Reader
+  reader/reader.cpp
+  reader/location.cpp
+
+  # IR
   sir/sir.cpp
   sir/dialect.cpp
   sir/value_op.cpp
   sir/generator.cpp
   ${HEADER_LIST})
 
+
 # Make sure to generate files related to the dialects first
-add_dependencies(lserene SereneDialectGen)
+add_dependencies(serene SereneDialectGen)
 
 # We need this directory, and users of our library will need it too
-target_compile_features(lserene PUBLIC cxx_std_14)
-target_include_directories(lserene PRIVATE ${INCLUDE_DIR})
-target_include_directories(lserene PUBLIC ${PROJECT_BINARY_DIR})
+target_compile_features(serene PUBLIC cxx_std_14)
+target_include_directories(serene PRIVATE ${INCLUDE_DIR})
+target_include_directories(serene PUBLIC ${PROJECT_BINARY_DIR})
 
 # This depends on (header only) boost
-target_link_libraries(lserene ${llvm_libs} fmt::fmt)
+target_link_libraries(serene ${llvm_libs} fmt::fmt)
 source_group(TREE "${INCLUDE_DIR}" PREFIX "Header Files" FILES ${HEADER_LIST})
+#target_precompile_headers(serene PRIVATE ${HEADER_LIST})
diff --git a/src/reader/location.cpp b/src/reader/location.cpp
new file mode 100644
index 0000000..ae38d16
--- /dev/null
+++ b/src/reader/location.cpp
@@ -0,0 +1,48 @@
+/**
+ * Serene programming language.
+ *
+ *  Copyright (c) 2020 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "serene/reader/location.hpp"
+
+namespace serene {
+namespace reader {
+
+/**
+ * Increase the given location by one and set the line/col value in respect to
+ * the `newline` in place.
+ * @param loc The `Location` data
+ * @param newline Whether or not we reached a new line
+ */
+void inc_location(Location &loc, bool newline) {
+  loc.pos++;
+
+  if (!newline) {
+    loc.col++;
+  } else {
+    loc.col = 0;
+    loc.line++;
+  }
+}
+
+} // namespace reader
+} // namespace serene
diff --git a/src/reader.cpp b/src/reader/reader.cpp
similarity index 93%
rename from src/reader.cpp
rename to src/reader/reader.cpp
index 08ea7fd..fa8f54e 100644
--- a/src/reader.cpp
+++ b/src/reader/reader.cpp
@@ -22,7 +22,7 @@
  * SOFTWARE.
  */
 
-#include "serene/reader.hpp"
+#include "serene/reader/reader.hpp"
 #include "serene/error.hpp"
 #include "serene/list.hpp"
 #include "serene/symbol.hpp"
@@ -37,18 +37,31 @@
 using namespace std;
 
 namespace serene {
+
+namespace reader {
 Reader::Reader(const string input) { this->setInput(input); };
 
+/**
+ * Set the input of the reader.
+ * @param input Set the input to the given string
+ */
 void Reader::setInput(const string input) {
   input_stream.write(input.c_str(), input.size());
 };
 
 Reader::~Reader() { READER_LOG("Destroying the reader"); }
 
+/**
+ * Return the next character in the buffer.
+ * @param skip_whitespace If true it will skip whitespaces and EOL chars
+ */
 char Reader::get_char(bool skip_whitespace) {
   for (;;) {
     char c = input_stream.get();
+    inc_location(current_location, c == '\n');
+
     if (skip_whitespace == true && isspace(c)) {
+
       continue;
     } else {
       return c;
@@ -205,5 +218,5 @@ FileReader::~FileReader() {
   delete this->reader;
   READER_LOG("Destroying the file reader");
 }
-
+} // namespace reader
 } // namespace serene
diff --git a/src/serene.cpp b/src/serene.cpp
index 903ebed..196c3d8 100644
--- a/src/serene.cpp
+++ b/src/serene.cpp
@@ -23,5 +23,5 @@
  */
 
 #include "serene/serene.hpp"
-#include "serene/reader.hpp"
+#include "serene/reader/reader.hpp"
 #include <iostream>
diff --git a/src/sir/value_op.cpp b/src/sir/value_op.cpp
index 4721cd8..50249b6 100644
--- a/src/sir/value_op.cpp
+++ b/src/sir/value_op.cpp
@@ -28,11 +28,5 @@
 #include "serene/sir/sir.hpp"
 
 namespace serene {
-namespace sir {
-void ValueOp::build(::mlir::OpBuilder &odsBuilder,
-                    ::mlir::OperationState &odsState, int value) {
-  ValueOp::build(odsBuilder, odsState, odsBuilder.getI64Type(),
-                 (uint64_t)value);
-}
-} // namespace sir
+namespace sir {} // namespace sir
 } // namespace serene
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 6442977..e82ba0f 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -13,7 +13,7 @@ add_executable(tests serenetests.cpp)
 target_compile_features(tests PRIVATE cxx_std_20)
 
 # Should be linked to the main library, as well as the Catch2 testing library
-target_link_libraries(tests PRIVATE lserene Catch2::Catch2)
+target_link_libraries(tests PRIVATE serene Catch2::Catch2)
 
 # If you register a test, then ctest and make test will run it.
 # You can also run examples and check the output, as well.