Fixed the SHEBANG detection #4290
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Added a check for non '[' character before continuing with SHEBANG lexing See https://doc.rust-lang.org/stable/reference/input-format.html#shebang-removal
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There was a small issue regarding the Cpp and CSharp language specific changes. Should be fixed now. |
kaby76
reviewed
Oct 25, 2024
rust/RustLexer.g4
Outdated
| @@ -133,7 +133,9 @@ OUTER_BLOCK_DOC: | |||
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| BLOCK_COMMENT_OR_DOC: ( BLOCK_COMMENT | INNER_BLOCK_DOC | OUTER_BLOCK_DOC) -> channel (HIDDEN); | |||
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| SHEBANG: {this.SOF()}? '\ufeff'? '#!' ~[\r\n]* -> channel(HIDDEN); | |||
| SHEBANG: {this.SOF()}? '\ufeff'? '#!' {this._input.LA(1) != 97}? ~[\r\n]* -> channel(HIDDEN); | |||
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Strictly speaking, this is not "target agnostic" (#4286 (comment)) because != is a target-specific operator. The entire expression should go in a base class, which is already done for both lexer and parser. Please add a "is...()" method, reference that here, and implement the methods for each of the targets.
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In Rust a shebang is only if the '#!' is not followed by a '['. I added an action to fix it. If it is possible to do it with normal ANTLR, I don't know how.