diff --git a/scripts/ci_test_printers.sh b/scripts/ci_test_printers.sh
index e542286fe..f6eaf0fc8 100755
--- a/scripts/ci_test_printers.sh
+++ b/scripts/ci_test_printers.sh
@@ -5,11 +5,20 @@
 cd tests/ast-parsing/compile || exit
 
 # Do not test the evm printer,as it needs a refactoring
-ALL_PRINTERS="cfg,constructor-calls,contract-summary,data-dependency,echidna,function-id,function-summary,modifiers,call-graph,human-summary,inheritance,inheritance-graph,slithir,slithir-ssa,vars-and-auth,require,variable-order"
+ALL_PRINTERS="cfg,constructor-calls,contract-summary,data-dependency,echidna,function-id,function-summary,modifiers,call-graph,human-summary,inheritance,inheritance-graph,slithir,slithir-ssa,vars-and-auth,require,variable-order,declaration"
 
 # Only test 0.5.17 to limit test time
 for file in *0.5.17-compact.zip; do
-  if ! slither "$file" --print "$ALL_PRINTERS" > /dev/null 2>&1 ; then
+  if ! slither "$file" --print "$ALL_PRINTERS" ; then
+    echo "Printer failed"
+    echo "$file"
+    exit 1
+  fi
+done
+
+# Only test 0.8.12 to limit test time
+for file in *0.8.12-compact.zip; do
+  if ! slither "$file" --print "declaration" ; then
     echo "Printer failed"
     echo "$file"
     exit 1
diff --git a/slither/core/source_mapping/source_mapping.py b/slither/core/source_mapping/source_mapping.py
index a0fcf354a..e58b04c21 100644
--- a/slither/core/source_mapping/source_mapping.py
+++ b/slither/core/source_mapping/source_mapping.py
@@ -18,7 +18,7 @@ if TYPE_CHECKING:
 
 # pylint: disable=too-many-instance-attributes
 class Source:
-    def __init__(self) -> None:
+    def __init__(self, compilation_unit: "SlitherCompilationUnit") -> None:
         self.start: int = 0
         self.length: int = 0
         self.filename: Filename = Filename("", "", "", "")
@@ -27,7 +27,7 @@ class Source:
         self.starting_column: int = 0
         self.ending_column: int = 0
         self.end: int = 0
-        self.compilation_unit: Optional["SlitherCompilationUnit"] = None
+        self.compilation_unit = compilation_unit
 
     def to_json(self) -> Dict:
         return {
@@ -51,17 +51,13 @@ class Source:
         filename_relative: str = self.filename.relative if self.filename.relative else ""
         return f"{markdown_root}{filename_relative}{lines}"
 
-    def to_detailled_str(self) -> str:
+    def to_detailed_str(self) -> str:
         lines = self._get_lines_str()
         filename_short: str = self.filename.short if self.filename.short else ""
         return f"{filename_short}{lines} ({self.starting_column} - {self.ending_column})"
 
     def _get_lines_str(self, line_descr: str = "") -> str:
 
-        # If the compilation unit was not initialized, it means that the set_offset was never called
-        # on the corresponding object, which should not happen
-        assert self.compilation_unit is not None
-
         line_prefix = self.compilation_unit.core.line_prefix
 
         lines = self.lines
@@ -129,6 +125,7 @@ def _compute_line(
 
     Not done in an efficient way
     """
+
     start_line, starting_column = compilation_unit.core.crytic_compile.get_line_from_offset(
         filename, start
     )
@@ -151,7 +148,7 @@ def _convert_source_mapping(
 
     position = re.findall("([0-9]*):([0-9]*):([-]?[0-9]*)", offset)
     if len(position) != 1:
-        return Source()
+        return Source(compilation_unit)
 
     s, l, f = position[0]
     s = int(s)
@@ -159,7 +156,7 @@ def _convert_source_mapping(
     f = int(f)
 
     if f not in sourceUnits:
-        new_source = Source()
+        new_source = Source(compilation_unit)
         new_source.start = s
         new_source.length = l
         return new_source
@@ -173,7 +170,7 @@ def _convert_source_mapping(
 
     (lines, starting_column, ending_column) = _compute_line(compilation_unit, filename, s, l)
 
-    new_source = Source()
+    new_source = Source(compilation_unit)
     new_source.start = s
     new_source.length = l
     new_source.filename = filename
@@ -182,28 +179,22 @@ def _convert_source_mapping(
     new_source.starting_column = starting_column
     new_source.ending_column = ending_column
     new_source.end = new_source.start + l
+
     return new_source
 
 
 class SourceMapping(Context, metaclass=ABCMeta):
     def __init__(self) -> None:
         super().__init__()
-        #        self._source_mapping: Optional[Dict] = None
-        self.source_mapping: Source = Source()
+        self.source_mapping: Optional[Source] = None
         self.references: List[Source] = []
 
     def set_offset(
         self, offset: Union["Source", str], compilation_unit: "SlitherCompilationUnit"
     ) -> None:
+        assert compilation_unit
         if isinstance(offset, Source):
-            self.source_mapping.start = offset.start
-            self.source_mapping.length = offset.length
-            self.source_mapping.filename = offset.filename
-            self.source_mapping.is_dependency = offset.is_dependency
-            self.source_mapping.lines = offset.lines
-            self.source_mapping.starting_column = offset.starting_column
-            self.source_mapping.ending_column = offset.ending_column
-            self.source_mapping.end = offset.end
+            self.source_mapping = offset
         else:
             self.source_mapping = _convert_source_mapping(offset, compilation_unit)
         self.source_mapping.compilation_unit = compilation_unit
diff --git a/slither/printers/summary/declaration.py b/slither/printers/summary/declaration.py
index 5888a1f00..529aba5f0 100644
--- a/slither/printers/summary/declaration.py
+++ b/slither/printers/summary/declaration.py
@@ -20,37 +20,37 @@ class Declaration(AbstractPrinter):
             txt += "\n# Contracts\n"
             for contract in compilation_unit.contracts:
                 txt += f"# {contract.name}\n"
-                txt += f"\t- Declaration: {get_definition(contract, compilation_unit.core.crytic_compile).to_detailled_str()}\n"
-                txt += f"\t- Implementation: {get_implementation(contract).to_detailled_str()}\n"
+                txt += f"\t- Declaration: {get_definition(contract, compilation_unit.core.crytic_compile).to_detailed_str()}\n"
+                txt += f"\t- Implementation: {get_implementation(contract).to_detailed_str()}\n"
                 txt += (
-                    f"\t- References: {[x.to_detailled_str() for x in get_references(contract)]}\n"
+                    f"\t- References: {[x.to_detailed_str() for x in get_references(contract)]}\n"
                 )
 
                 txt += "\n\t## Function\n"
 
                 for func in contract.functions:
                     txt += f"\t\t- {func.canonical_name}\n"
-                    txt += f"\t\t\t- Declaration: {get_definition(func, compilation_unit.core.crytic_compile).to_detailled_str()}\n"
-                    txt += (
-                        f"\t\t\t- Implementation: {get_implementation(func).to_detailled_str()}\n"
-                    )
-                    txt += f"\t\t\t- References: {[x.to_detailled_str() for x in get_references(func)]}\n"
+                    txt += f"\t\t\t- Declaration: {get_definition(func, compilation_unit.core.crytic_compile).to_detailed_str()}\n"
+                    txt += f"\t\t\t- Implementation: {get_implementation(func).to_detailed_str()}\n"
+                    txt += f"\t\t\t- References: {[x.to_detailed_str() for x in get_references(func)]}\n"
 
                 txt += "\n\t## State variables\n"
 
                 for var in contract.state_variables:
                     txt += f"\t\t- {var.name}\n"
-                    txt += f"\t\t\t- Declaration: {get_definition(var, compilation_unit.core.crytic_compile).to_detailled_str()}\n"
-                    txt += f"\t\t\t- Implementation: {get_implementation(var).to_detailled_str()}\n"
-                    txt += f"\t\t\t- References: {[x.to_detailled_str() for x in get_references(var)]}\n"
+                    txt += f"\t\t\t- Declaration: {get_definition(var, compilation_unit.core.crytic_compile).to_detailed_str()}\n"
+                    txt += f"\t\t\t- Implementation: {get_implementation(var).to_detailed_str()}\n"
+                    txt += f"\t\t\t- References: {[x.to_detailed_str() for x in get_references(var)]}\n"
 
                 txt += "\n\t## Structures\n"
 
                 for st in contract.structures:
                     txt += f"\t\t- {st.name}\n"
-                    txt += f"\t\t\t- Declaration: {get_definition(st, compilation_unit.core.crytic_compile).to_detailled_str()}\n"
-                    txt += f"\t\t\t- Implementation: {get_implementation(st).to_detailled_str()}\n"
-                    txt += f"\t\t\t- References: {[x.to_detailled_str() for x in get_references(st)]}\n"
+                    txt += f"\t\t\t- Declaration: {get_definition(st, compilation_unit.core.crytic_compile).txt}\n"
+                    txt += f"\t\t\t- Implementation: {get_implementation(st).to_detailed_str()}\n"
+                    txt += (
+                        f"\t\t\t- References: {[x.to_detailed_str() for x in get_references(st)]}\n"
+                    )
 
         self.info(txt)
         res = self.generate_output(txt)
diff --git a/slither/printers/summary/evm.py b/slither/printers/summary/evm.py
index 660d91204..0e5ce58d7 100644
--- a/slither/printers/summary/evm.py
+++ b/slither/printers/summary/evm.py
@@ -21,8 +21,12 @@ def _extract_evm_info(slither):
     CFG = load_evm_cfg_builder()
 
     for contract in slither.contracts_derived:
-        contract_bytecode_runtime = contract.scope.bytecode_runtime(contract.name)
-        contract_srcmap_runtime = contract.scope.srcmap_runtime(contract.name)
+        contract_bytecode_runtime = contract.file_scope.bytecode_runtime(
+            contract.compilation_unit.crytic_compile_compilation_unit, contract.name
+        )
+        contract_srcmap_runtime = contract.file_scope.srcmap_runtime(
+            contract.compilation_unit.crytic_compile_compilation_unit, contract.name
+        )
         cfg = CFG(contract_bytecode_runtime)
         evm_info["cfg", contract.name] = cfg
         evm_info["mapping", contract.name] = generate_source_to_evm_ins_mapping(
@@ -32,8 +36,12 @@ def _extract_evm_info(slither):
             contract.source_mapping.filename.absolute,
         )
 
-        contract_bytecode_init = contract.scope.bytecode_init(contract.name)
-        contract_srcmap_init = contract.scope.srcmap_init(contract.name)
+        contract_bytecode_init = contract.file_scope.bytecode_init(
+            contract.compilation_unit.crytic_compile_compilation_unit, contract.name
+        )
+        contract_srcmap_init = contract.file_scope.srcmap_init(
+            contract.compilation_unit.crytic_compile_compilation_unit, contract.name
+        )
         cfg_init = CFG(contract_bytecode_init)
 
         evm_info["cfg_init", contract.name] = cfg_init
diff --git a/slither/utils/source_mapping.py b/slither/utils/source_mapping.py
index 26ad7c0d2..b117cd5f7 100644
--- a/slither/utils/source_mapping.py
+++ b/slither/utils/source_mapping.py
@@ -35,7 +35,7 @@ def get_definition(target: SourceMapping, crytic_compile: CryticCompile) -> Sour
         target.source_mapping.filename, target.source_mapping.start + start_offset + len(pattern)
     )
 
-    s = Source()
+    s = Source(target.source_mapping.compilation_unit)
     s.start = target.source_mapping.start + start_offset
     s.length = len(pattern)
     s.filename = target.source_mapping.filename
@@ -44,8 +44,7 @@ def get_definition(target: SourceMapping, crytic_compile: CryticCompile) -> Sour
     s.starting_column = starting_column
     s.ending_column = ending_column
     s.end = s.start + s.length
-    s.compilation_unit = target.compilation_unit
-
+    s.txt = txt
     return s