add support for Solidity 0.8.27 (#1096)

Details:
https://soliditylang.org/blog/2024/09/04/solidity-0.8.27-release-announcement/

.changeset/cool-jobs-know.md

@@ -0,0 +1,5 @@
+---
+"@nomicfoundation/slang": patch
+---
+
+add support for Solidity `0.8.27`.

crates/solidity/inputs/language/src/definition.rs

@@ -29,7 +29,7 @@ codegen_language_macros::compile!(Language(
         "0.6.12", "0.7.0", "0.7.1", "0.7.2", "0.7.3", "0.7.4", "0.7.5", "0.7.6", "0.8.0", "0.8.1",
         "0.8.2", "0.8.3", "0.8.4", "0.8.5", "0.8.6", "0.8.7", "0.8.8", "0.8.9", "0.8.10", "0.8.11",
         "0.8.12", "0.8.13", "0.8.14", "0.8.15", "0.8.16", "0.8.17", "0.8.18", "0.8.19", "0.8.20",
-        "0.8.21", "0.8.22", "0.8.23", "0.8.24", "0.8.25", "0.8.26"
+        "0.8.21", "0.8.22", "0.8.23", "0.8.24", "0.8.25", "0.8.26", "0.8.27"
     ],
     sections = [
         Section(
@@ -1422,6 +1422,15 @@ codegen_language_macros::compile!(Language(
                                 value = Atom("throw")
                             )]
                         ),
+                        Keyword(
+                            name = TransientKeyword,
+                            identifier = Identifier,
+                            definitions = [KeywordDefinition(
+                                enabled = From("0.8.27"),
+                                reserved = Never,
+                                value = Atom("transient")
+                            )]
+                        ),
                         Keyword(
                             name = TrueKeyword,
                             identifier = Identifier,
@@ -2298,7 +2307,8 @@ codegen_language_macros::compile!(Language(
                                 EnumVariant(reference = InternalKeyword),
                                 EnumVariant(reference = PrivateKeyword),
                                 EnumVariant(reference = PublicKeyword),
-                                EnumVariant(reference = ImmutableKeyword, enabled = From("0.6.5"))
+                                EnumVariant(reference = ImmutableKeyword, enabled = From("0.6.5")),
+                                EnumVariant(reference = TransientKeyword, enabled = From("0.8.27"))
                             ]
                         )
                     ]

crates/solidity/testing/snapshots/cst_output/ContractDefinition/member_unnamed_function_definition/generated/0.8.27-failure.yml

@@ -0,0 +1,42 @@
+# This file is generated automatically by infrastructure scripts. Please don't edit by hand.
+
+Source: >
+  1  │ contract Sample {                                                                │ 0..17
+  2  │   function () {                                                                  │ 18..33
+  3  │   }                                                                              │ 34..37
+  4  │ }                                                                                │ 38..39
+
+Errors: # 1 total
+  - >
+    Error: Expected ConstantKeyword or Identifier or ImmutableKeyword or InternalKeyword or OverrideKeyword or PrivateKeyword or PublicKeyword or TransientKeyword.
+       ╭─[crates/solidity/testing/snapshots/cst_output/ContractDefinition/member_unnamed_function_definition/input.sol:2:15]
+       │
+     2 │ ╭─▶   function () {
+     3 │ ├─▶   }
+       │ │         
+       │ ╰───────── Error occurred here.
+    ───╯
+
+Tree:
+  - (ContractDefinition): # "contract Sample {\n  function () {\n  }\n}" (0..39)
+      - (contract_keyword꞉ ContractKeyword): "contract" # (0..8)
+      - (leading_trivia꞉ Whitespace): " " # (8..9)
+      - (name꞉ Identifier): "Sample" # (9..15)
+      - (leading_trivia꞉ Whitespace): " " # (15..16)
+      - (open_brace꞉ OpenBrace): "{" # (16..17)
+      - (trailing_trivia꞉ EndOfLine): "\n" # (17..18)
+      - (members꞉ ContractMembers): # "  function () " (18..32)
+          - (item꞉ ContractMember) ► (variant꞉ StateVariableDefinition): # "  function () " (18..32)
+              - (type_name꞉ TypeName) ► (variant꞉ FunctionType): # "  function ()" (18..31)
+                  - (leading_trivia꞉ Whitespace): "  " # (18..20)
+                  - (function_keyword꞉ FunctionKeyword): "function" # (20..28)
+                  - (parameters꞉ ParametersDeclaration): # " ()" (28..31)
+                      - (leading_trivia꞉ Whitespace): " " # (28..29)
+                      - (open_paren꞉ OpenParen): "(" # (29..30)
+                      - (parameters꞉ Parameters): [] # (30..30)
+                      - (close_paren꞉ CloseParen): ")" # (30..31)
+                  - (attributes꞉ FunctionTypeAttributes): [] # (31..31)
+              - (attributes꞉ StateVariableAttributes): [] # (31..31)
+              - (leading_trivia꞉ Whitespace): " " # (31..32)
+      - (UNRECOGNIZED): "{\n  }\n" # (32..38)
+      - (close_brace꞉ CloseBrace): "}" # (38..39)

crates/solidity/testing/snapshots/cst_output/ContractDefinition/member_unnamed_function_with_attrs_definition/generated/0.8.27-failure.yml

@@ -0,0 +1,46 @@
+# This file is generated automatically by infrastructure scripts. Please don't edit by hand.
+
+Source: >
+  1  │ contract Sample {                                                                │ 0..17
+  2  │   function() external payable {}                                                 │ 18..50
+  3  │ }                                                                                │ 51..52
+
+Errors: # 1 total
+  - >
+    Error: Expected ConstantKeyword or Identifier or ImmutableKeyword or InternalKeyword or OverrideKeyword or PrivateKeyword or PublicKeyword or TransientKeyword.
+       ╭─[crates/solidity/testing/snapshots/cst_output/ContractDefinition/member_unnamed_function_with_attrs_definition/input.sol:2:31]
+       │
+     2 │   function() external payable {}
+       │                               ─┬─  
+       │                                ╰─── Error occurred here.
+    ───╯
+
+Tree:
+  - (ContractDefinition): # "contract Sample {\n  function() external payable {}..." (0..53)
+      - (contract_keyword꞉ ContractKeyword): "contract" # (0..8)
+      - (leading_trivia꞉ Whitespace): " " # (8..9)
+      - (name꞉ Identifier): "Sample" # (9..15)
+      - (leading_trivia꞉ Whitespace): " " # (15..16)
+      - (open_brace꞉ OpenBrace): "{" # (16..17)
+      - (trailing_trivia꞉ EndOfLine): "\n" # (17..18)
+      - (members꞉ ContractMembers): # "  function() external payable " (18..48)
+          - (item꞉ ContractMember) ► (variant꞉ StateVariableDefinition): # "  function() external payable " (18..48)
+              - (type_name꞉ TypeName) ► (variant꞉ FunctionType): # "  function() external payable" (18..47)
+                  - (leading_trivia꞉ Whitespace): "  " # (18..20)
+                  - (function_keyword꞉ FunctionKeyword): "function" # (20..28)
+                  - (parameters꞉ ParametersDeclaration): # "()" (28..30)
+                      - (open_paren꞉ OpenParen): "(" # (28..29)
+                      - (parameters꞉ Parameters): [] # (29..29)
+                      - (close_paren꞉ CloseParen): ")" # (29..30)
+                  - (attributes꞉ FunctionTypeAttributes): # " external payable" (30..47)
+                      - (item꞉ FunctionTypeAttribute): # " external" (30..39)
+                          - (leading_trivia꞉ Whitespace): " " # (30..31)
+                          - (variant꞉ ExternalKeyword): "external" # (31..39)
+                      - (item꞉ FunctionTypeAttribute): # " payable" (39..47)
+                          - (leading_trivia꞉ Whitespace): " " # (39..40)
+                          - (variant꞉ PayableKeyword): "payable" # (40..47)
+              - (attributes꞉ StateVariableAttributes): [] # (47..47)
+              - (leading_trivia꞉ Whitespace): " " # (47..48)
+      - (UNRECOGNIZED): "{}\n" # (48..51)
+      - (close_brace꞉ CloseBrace): "}" # (51..52)
+      - (trailing_trivia꞉ EndOfLine): "\n" # (52..53)