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Merge pull request #2813 from jyn514/arg_attributes
Allow attributes before function arguments
2 parents ea2b27d + f077d5c commit 90b8a31

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3 files changed

+45
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crates/ra_parser/src/grammar/expressions.rs

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Original file line numberDiff line numberDiff line change
@@ -540,6 +540,11 @@ fn arg_list(p: &mut Parser) {
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let m = p.start();
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p.bump(T!['(']);
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while !p.at(T![')']) && !p.at(EOF) {
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// test arg_with_attr
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// fn main() {
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// foo(#[attr] 92)
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// }
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attributes::outer_attributes(p);
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if !p.at_ts(EXPR_FIRST) {
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p.error("expected expression");
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break;
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@@ -0,0 +1,3 @@
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fn main() {
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foo(#[attr] 92)
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}
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SOURCE_FILE@[0; 34)
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FN_DEF@[0; 33)
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FN_KW@[0; 2) "fn"
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WHITESPACE@[2; 3) " "
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NAME@[3; 7)
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IDENT@[3; 7) "main"
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PARAM_LIST@[7; 9)
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L_PAREN@[7; 8) "("
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R_PAREN@[8; 9) ")"
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WHITESPACE@[9; 10) " "
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BLOCK_EXPR@[10; 33)
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BLOCK@[10; 33)
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L_CURLY@[10; 11) "{"
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WHITESPACE@[11; 16) "\n "
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CALL_EXPR@[16; 31)
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PATH_EXPR@[16; 19)
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PATH@[16; 19)
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PATH_SEGMENT@[16; 19)
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NAME_REF@[16; 19)
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IDENT@[16; 19) "foo"
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ARG_LIST@[19; 31)
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L_PAREN@[19; 20) "("
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ATTR@[20; 27)
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POUND@[20; 21) "#"
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L_BRACK@[21; 22) "["
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PATH@[22; 26)
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PATH_SEGMENT@[22; 26)
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NAME_REF@[22; 26)
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IDENT@[22; 26) "attr"
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R_BRACK@[26; 27) "]"
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WHITESPACE@[27; 28) " "
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LITERAL@[28; 30)
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INT_NUMBER@[28; 30) "92"
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R_PAREN@[30; 31) ")"
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WHITESPACE@[31; 32) "\n"
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R_CURLY@[32; 33) "}"
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WHITESPACE@[33; 34) "\n"

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