Add via ir support 1477

brownie/project/compiler/__init__.py

@@ -58,6 +58,7 @@ def compile_and_format(
     interface_sources: Optional[Dict[str, str]] = None,
     remappings: Optional[list] = None,
     optimizer: Optional[Dict] = None,
+    viaIR: Optional[bool] = None,
 ) -> Dict:
     """Compiles contracts and returns build data.
 
@@ -72,6 +73,7 @@ def compile_and_format(
         interface_sources: dictionary of interfaces as {'path': "source code"}
         remappings: list of solidity path remappings
         optimizer: dictionary of solidity optimizer settings
+        viaIR: enable compilation pipeline to go through the Yul intermediate representation
 
     Returns:
         build data dict
@@ -136,6 +138,7 @@ def compile_and_format(
             interface_sources=interfaces,
             remappings=remappings,
             optimizer=optimizer,
+            viaIR=viaIR,
         )
 
         output_json = compile_from_input_json(input_json, silent, allow_paths)
@@ -153,6 +156,7 @@ def generate_input_json(
     interface_sources: Optional[Dict[str, str]] = None,
     remappings: Optional[list] = None,
     optimizer: Optional[Dict] = None,
+    viaIR: Optional[bool] = None,
 ) -> Dict:
 
     """Formats contracts to the standard solc input json.
@@ -166,6 +170,7 @@ def generate_input_json(
         interface_sources: dictionary of interfaces as {'path': "source code"}
         remappings: list of solidity path remappings
         optimizer: dictionary of solidity optimizer settings
+        viaIR: enable compilation pipeline to go through the Yul intermediate representation
 
     Returns: dict
     """
@@ -188,6 +193,8 @@ def generate_input_json(
     if language == "Solidity":
         input_json["settings"]["optimizer"] = optimizer
         input_json["settings"]["remappings"] = _get_solc_remappings(remappings)
+        if viaIR is not None:
+            input_json["settings"]["viaIR"] = viaIR
     input_json["sources"] = _sources_dict(contract_sources, language)
 
     if interface_sources:

brownie/project/compiler/solidity.py

@@ -480,8 +480,12 @@ def _generate_coverage_data(
             include_children=False,
             required_offset=fn_offset,
             filters={"nodeType": "FunctionDefinition"},
-        )[0]
-        revert_nodes = fn_node.children(
+        )
+        if len(fn_node) == 0:
+            # In Solidity >=0.8.13, with the viaIR option set, there is a dispatch
+            # function present in the generated bytecode
+            continue
+        revert_nodes = fn_node[0].children(
             filters=(
                 {"nodeType": "FunctionCall", "expression.name": "revert"},
                 {"nodeType": "FunctionCall", "expression.name": "require"},

brownie/project/main.py

@@ -108,6 +108,7 @@ def _compile(self, contract_sources: Dict, compiler_config: Dict, silent: bool)
                 allow_paths=allow_paths,
                 remappings=compiler_config["solc"].get("remappings", []),
                 optimizer=compiler_config["solc"].get("optimizer", None),
+                viaIR=compiler_config["solc"].get("viaIR", None),
             )
         finally:
             os.chdir(cwd)

docs/config.rst

@@ -209,6 +209,12 @@ Compiler settings. See :ref:`compiler settings<compile_settings>` for more infor
 
         default value: ``null``
 
+    .. py:attribute:: viaIR
+
+        Enable solc compilation pipeline to go through the Yul Intermediate Representation to generate IR-based EVM bytecode. See the `Solidity documentation <https://docs.soliditylang.org/en/latest/ir-breaking-changes.html>`_ for breaking changes.
+
+        default value: ``false``
+
     .. py:attribute:: optimizer
 
         Optimizer settings to be passed to the Solidity compiler. Values given here are passed into the compiler with no reformatting. See the `Solidity documentation <https://solidity.readthedocs.io/en/latest/using-the-compiler.html#input-description>`_ for a list of possible values.