Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

fix: Only allow an identifier in the Yul variable declaration position #948

Merged
merged 2 commits into from
Apr 25, 2024
Merged

fix: Only allow an identifier in the Yul variable declaration position #948

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
ce5d942
Add a regression test first
Xanewok Apr 25, 2024
25eacd8
fix: Only allow YulIdentifier in the Yul variable declaration
Xanewok Apr 25, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 5 additions & 0 deletions .changeset/afraid-shoes-yell.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@nomicfoundation/slang": patch
---

Restrict the grammar to correctly only allow an identifier in Yul variable declaration
2 changes: 1 addition & 1 deletion crates/solidity/inputs/language/src/definition.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4209,7 +4209,7 @@ codegen_language_macros::compile!(Language(
name = YulVariableDeclarationStatement,
fields = (
let_keyword = Required(YulLetKeyword),
names = Required(YulPaths),
names = Required(YulIdentifier),
value = Optional(reference = YulVariableDeclarationValue)
)
),
Expand Down
8 changes: 7 additions & 1 deletion crates/solidity/outputs/cargo/slang_solidity/src/generated/language.rs
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

2 changes: 1 addition & 1 deletion crates/solidity/outputs/cargo/slang_solidity/src/generated/napi_interface/ast_selectors.rs
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

5 changes: 5 additions & 0 deletions ...lidity/outputs/cargo/tests/src/cst_output/generated/yul_variable_declaration_statement.rs
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

4 changes: 2 additions & 2 deletions crates/solidity/outputs/npm/package/src/ast/generated/ast_types.ts
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

2 changes: 1 addition & 1 deletion crates/solidity/outputs/spec/generated/grammar.ebnf
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

2 changes: 1 addition & 1 deletion crates/solidity/outputs/spec/generated/public/06-yul/01-yul-statements.md
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

7 changes: 2 additions & 5 deletions ...output/YulVariableDeclarationStatement/colon_equal_separated/generated/0.4.11-success.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,11 +11,8 @@ Tree:
- (leading_trivia꞉ SingleLineComment): '// ColonEqual was two separate tokens before "0.5....' # (0..53)
- (leading_trivia꞉ EndOfLine): "\n" # (53..54)
- (let_keyword꞉ YulLetKeyword): "let" # (54..57)
- (names꞉ YulPaths): # " foo" (57..61)
- (item꞉ YulPath): # " foo" (57..61)
- (item꞉ YulPathComponent): # " foo" (57..61)
- (leading_trivia꞉ Whitespace): " " # (57..58)
- (variant꞉ YulIdentifier): "foo" # (58..61)
- (leading_trivia꞉ Whitespace): " " # (57..58)
- (names꞉ YulIdentifier): "foo" # (58..61)
- (value꞉ YulVariableDeclarationValue): # " : = 0\n" (61..68)
- (assignment꞉ YulAssignmentOperator) ► (variant꞉ YulColonAndEqual): # " : =" (61..65)
- (leading_trivia꞉ Whitespace): " " # (61..62)
Expand Down
7 changes: 2 additions & 5 deletions ..._output/YulVariableDeclarationStatement/colon_equal_separated/generated/0.5.5-failure.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,10 +19,7 @@ Tree:
- (leading_trivia꞉ SingleLineComment): '// ColonEqual was two separate tokens before "0.5....' # (0..53)
- (leading_trivia꞉ EndOfLine): "\n" # (53..54)
- (let_keyword꞉ YulLetKeyword): "let" # (54..57)
- (names꞉ YulPaths): # " foo" (57..61)
- (item꞉ YulPath): # " foo" (57..61)
- (item꞉ YulPathComponent): # " foo" (57..61)
- (leading_trivia꞉ Whitespace): " " # (57..58)
- (variant꞉ YulIdentifier): "foo" # (58..61)
- (leading_trivia꞉ Whitespace): " " # (57..58)
- (names꞉ YulIdentifier): "foo" # (58..61)
- (leading_trivia꞉ Whitespace): " " # (61..62)
- (SKIPPED): ": = 0\n" # (62..68)
21 changes: 21 additions & 0 deletions ..._output/YulVariableDeclarationStatement/identifier_with_dots/generated/0.4.11-failure.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
# This file is generated automatically by infrastructure scripts. Please don't edit by hand.

Source: >
1 │ let a.b.c := 1 │ 0..14

Errors: # 1 total
- >
Error: Expected Colon or ColonEqual.
╭─[crates/solidity/testing/snapshots/cst_output/YulVariableDeclarationStatement/identifier_with_dots/input.sol:1:6]
│
1 │ let a.b.c := 1
│ ─────┬────
│ ╰────── Error occurred here.
───╯

Tree:
- (YulVariableDeclarationStatement): # "let a.b.c := 1\n" (0..15)
- (let_keyword꞉ YulLetKeyword): "let" # (0..3)
- (leading_trivia꞉ Whitespace): " " # (3..4)
- (names꞉ YulIdentifier): "a" # (4..5)
- (SKIPPED): ".b.c := 1\n" # (5..15)
21 changes: 21 additions & 0 deletions ...t_output/YulVariableDeclarationStatement/identifier_with_dots/generated/0.5.5-failure.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
# This file is generated automatically by infrastructure scripts. Please don't edit by hand.

Source: >
1 │ let a.b.c := 1 │ 0..14

Errors: # 1 total
- >
Error: Expected ColonEqual.
╭─[crates/solidity/testing/snapshots/cst_output/YulVariableDeclarationStatement/identifier_with_dots/input.sol:1:6]
│
1 │ let a.b.c := 1
│ ─────┬────
│ ╰────── Error occurred here.
───╯

Tree:
- (YulVariableDeclarationStatement): # "let a.b.c := 1\n" (0..15)
- (let_keyword꞉ YulLetKeyword): "let" # (0..3)
- (leading_trivia꞉ Whitespace): " " # (3..4)
- (names꞉ YulIdentifier): "a" # (4..5)
- (SKIPPED): ".b.c := 1\n" # (5..15)
20 changes: 20 additions & 0 deletions ...t_output/YulVariableDeclarationStatement/identifier_with_dots/generated/0.5.8-success.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
# This file is generated automatically by infrastructure scripts. Please don't edit by hand.

Source: >
1 │ let a.b.c := 1 │ 0..14
Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I've tested with dissect and we now exactly match this case with solc: this was allowed since 0.5.8 until 0.7, where we started disallowing dots in user-defined identifiers.


Errors: []

Tree:
- (YulVariableDeclarationStatement): # "let a.b.c := 1\n" (0..15)
- (let_keyword꞉ YulLetKeyword): "let" # (0..3)
- (leading_trivia꞉ Whitespace): " " # (3..4)
- (names꞉ YulIdentifier): "a.b.c" # (4..9)
- (value꞉ YulVariableDeclarationValue): # " := 1\n" (9..15)
- (assignment꞉ YulAssignmentOperator): # " :=" (9..12)
- (leading_trivia꞉ Whitespace): " " # (9..10)
- (variant꞉ ColonEqual): ":=" # (10..12)
- (expression꞉ YulExpression) ► (variant꞉ YulLiteral): # " 1\n" (12..15)
- (leading_trivia꞉ Whitespace): " " # (12..13)
- (variant꞉ YulDecimalLiteral): "1" # (13..14)
- (trailing_trivia꞉ EndOfLine): "\n" # (14..15)
21 changes: 21 additions & 0 deletions ...t_output/YulVariableDeclarationStatement/identifier_with_dots/generated/0.7.0-failure.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
# This file is generated automatically by infrastructure scripts. Please don't edit by hand.

Source: >
1 │ let a.b.c := 1 │ 0..14

Errors: # 1 total
- >
Error: Expected ColonEqual.
╭─[crates/solidity/testing/snapshots/cst_output/YulVariableDeclarationStatement/identifier_with_dots/input.sol:1:6]
│
1 │ let a.b.c := 1
│ ─────┬────
│ ╰────── Error occurred here.
───╯

Tree:
- (YulVariableDeclarationStatement): # "let a.b.c := 1\n" (0..15)
- (let_keyword꞉ YulLetKeyword): "let" # (0..3)
- (leading_trivia꞉ Whitespace): " " # (3..4)
- (names꞉ YulIdentifier): "a" # (4..5)
- (SKIPPED): ".b.c := 1\n" # (5..15)
1 change: 1 addition & 0 deletions ...sting/snapshots/cst_output/YulVariableDeclarationStatement/identifier_with_dots/input.sol
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
let a.b.c := 1
9 changes: 3 additions & 6 deletions ...hots/cst_output/YulVariableDeclarationStatement/keyword_bytes/generated/0.7.1-success.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,6 @@ Tree:
- (leading_trivia꞉ SingleLineComment): "// Unreserved in Yul specifically since 0.7.1:" # (0..46)
- (leading_trivia꞉ EndOfLine): "\n" # (46..47)
- (let_keyword꞉ YulLetKeyword): "let" # (47..50)
- (names꞉ YulPaths): # " bytes\n" (50..57)
- (item꞉ YulPath): # " bytes\n" (50..57)
- (item꞉ YulPathComponent): # " bytes\n" (50..57)
- (leading_trivia꞉ Whitespace): " " # (50..51)
- (variant꞉ YulIdentifier): "bytes" # (51..56)
- (trailing_trivia꞉ EndOfLine): "\n" # (56..57)
- (leading_trivia꞉ Whitespace): " " # (50..51)
- (names꞉ YulIdentifier): "bytes" # (51..56)
- (trailing_trivia꞉ EndOfLine): "\n" # (56..57)
9 changes: 3 additions & 6 deletions ...ots/cst_output/YulVariableDeclarationStatement/keyword_bytes1/generated/0.7.1-success.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,6 @@ Tree:
- (leading_trivia꞉ SingleLineComment): "// Unreserved in Yul specifically since 0.7.1:" # (0..46)
- (leading_trivia꞉ EndOfLine): "\n" # (46..47)
- (let_keyword꞉ YulLetKeyword): "let" # (47..50)
- (names꞉ YulPaths): # " bytes1\n" (50..58)
- (item꞉ YulPath): # " bytes1\n" (50..58)
- (item꞉ YulPathComponent): # " bytes1\n" (50..58)
- (leading_trivia꞉ Whitespace): " " # (50..51)
- (variant꞉ YulIdentifier): "bytes1" # (51..57)
- (trailing_trivia꞉ EndOfLine): "\n" # (57..58)
- (leading_trivia꞉ Whitespace): " " # (50..51)
- (names꞉ YulIdentifier): "bytes1" # (51..57)
- (trailing_trivia꞉ EndOfLine): "\n" # (57..58)
9 changes: 3 additions & 6 deletions ...ts/cst_output/YulVariableDeclarationStatement/keyword_bytes11/generated/0.7.1-success.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,6 @@ Tree:
- (leading_trivia꞉ SingleLineComment): "// Unreserved in Yul specifically since 0.7.1:" # (0..46)
- (leading_trivia꞉ EndOfLine): "\n" # (46..47)
- (let_keyword꞉ YulLetKeyword): "let" # (47..50)
- (names꞉ YulPaths): # " bytes11\n" (50..59)
- (item꞉ YulPath): # " bytes11\n" (50..59)
- (item꞉ YulPathComponent): # " bytes11\n" (50..59)
- (leading_trivia꞉ Whitespace): " " # (50..51)
- (variant꞉ YulIdentifier): "bytes11" # (51..58)
- (trailing_trivia꞉ EndOfLine): "\n" # (58..59)
- (leading_trivia꞉ Whitespace): " " # (50..51)
- (names꞉ YulIdentifier): "bytes11" # (51..58)
- (trailing_trivia꞉ EndOfLine): "\n" # (58..59)
9 changes: 3 additions & 6 deletions ..._output/YulVariableDeclarationStatement/keyword_ufixed184x80/generated/0.4.11-success.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,6 @@ Tree:
- (leading_trivia꞉ SingleLineComment): "// This form is reserved only since 0.4.14 until 0..." # (0..62)
- (leading_trivia꞉ EndOfLine): "\n" # (62..63)
- (let_keyword꞉ YulLetKeyword): "let" # (63..66)
- (names꞉ YulPaths): # " ufixed184x80\n" (66..80)
- (item꞉ YulPath): # " ufixed184x80\n" (66..80)
- (item꞉ YulPathComponent): # " ufixed184x80\n" (66..80)
- (leading_trivia꞉ Whitespace): " " # (66..67)
- (variant꞉ YulIdentifier): "ufixed184x80" # (67..79)
- (trailing_trivia꞉ EndOfLine): "\n" # (79..80)
- (leading_trivia꞉ Whitespace): " " # (66..67)
- (names꞉ YulIdentifier): "ufixed184x80" # (67..79)
- (trailing_trivia꞉ EndOfLine): "\n" # (79..80)
9 changes: 3 additions & 6 deletions ...t_output/YulVariableDeclarationStatement/keyword_ufixed184x80/generated/0.7.1-success.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,6 @@ Tree:
- (leading_trivia꞉ SingleLineComment): "// This form is reserved only since 0.4.14 until 0..." # (0..62)
- (leading_trivia꞉ EndOfLine): "\n" # (62..63)
- (let_keyword꞉ YulLetKeyword): "let" # (63..66)
- (names꞉ YulPaths): # " ufixed184x80\n" (66..80)
- (item꞉ YulPath): # " ufixed184x80\n" (66..80)
- (item꞉ YulPathComponent): # " ufixed184x80\n" (66..80)
- (leading_trivia꞉ Whitespace): " " # (66..67)
- (variant꞉ YulIdentifier): "ufixed184x80" # (67..79)
- (trailing_trivia꞉ EndOfLine): "\n" # (79..80)
- (leading_trivia꞉ Whitespace): " " # (66..67)
- (names꞉ YulIdentifier): "ufixed184x80" # (67..79)
- (trailing_trivia꞉ EndOfLine): "\n" # (79..80)
9 changes: 3 additions & 6 deletions ...cst_output/YulVariableDeclarationStatement/keyword_ufixed8x0/generated/0.4.11-success.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,6 @@ Tree:
- (leading_trivia꞉ SingleLineComment): "// This form is reserved only since 0.4.14 until 0..." # (0..62)
- (leading_trivia꞉ EndOfLine): "\n" # (62..63)
- (let_keyword꞉ YulLetKeyword): "let" # (63..66)
- (names꞉ YulPaths): # " ufixed8x0\n" (66..77)
- (item꞉ YulPath): # " ufixed8x0\n" (66..77)
- (item꞉ YulPathComponent): # " ufixed8x0\n" (66..77)
- (leading_trivia꞉ Whitespace): " " # (66..67)
- (variant꞉ YulIdentifier): "ufixed8x0" # (67..76)
- (trailing_trivia꞉ EndOfLine): "\n" # (76..77)
- (leading_trivia꞉ Whitespace): " " # (66..67)
- (names꞉ YulIdentifier): "ufixed8x0" # (67..76)
- (trailing_trivia꞉ EndOfLine): "\n" # (76..77)
9 changes: 3 additions & 6 deletions .../cst_output/YulVariableDeclarationStatement/keyword_ufixed8x0/generated/0.7.1-success.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,6 @@ Tree:
- (leading_trivia꞉ SingleLineComment): "// This form is reserved only since 0.4.14 until 0..." # (0..62)
- (leading_trivia꞉ EndOfLine): "\n" # (62..63)
- (let_keyword꞉ YulLetKeyword): "let" # (63..66)
- (names꞉ YulPaths): # " ufixed8x0\n" (66..77)
- (item꞉ YulPath): # " ufixed8x0\n" (66..77)
- (item꞉ YulPathComponent): # " ufixed8x0\n" (66..77)
- (leading_trivia꞉ Whitespace): " " # (66..67)
- (variant꞉ YulIdentifier): "ufixed8x0" # (67..76)
- (trailing_trivia꞉ EndOfLine): "\n" # (76..77)
- (leading_trivia꞉ Whitespace): " " # (66..67)
- (names꞉ YulIdentifier): "ufixed8x0" # (67..76)
- (trailing_trivia꞉ EndOfLine): "\n" # (76..77)
9 changes: 3 additions & 6 deletions .../cst_output/YulVariableDeclarationStatement/keyword_ufixed8x8/generated/0.7.1-success.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,6 @@ Tree:
- (leading_trivia꞉ SingleLineComment): "// This form is always reserved until 0.7.1 in Yul..." # (0..51)
- (leading_trivia꞉ EndOfLine): "\n" # (51..52)
- (let_keyword꞉ YulLetKeyword): "let" # (52..55)
- (names꞉ YulPaths): # " ufixed8x8\n" (55..66)
- (item꞉ YulPath): # " ufixed8x8\n" (55..66)
- (item꞉ YulPathComponent): # " ufixed8x8\n" (55..66)
- (leading_trivia꞉ Whitespace): " " # (55..56)
- (variant꞉ YulIdentifier): "ufixed8x8" # (56..65)
- (trailing_trivia꞉ EndOfLine): "\n" # (65..66)
- (leading_trivia꞉ Whitespace): " " # (55..56)
- (names꞉ YulIdentifier): "ufixed8x8" # (56..65)
- (trailing_trivia꞉ EndOfLine): "\n" # (65..66)