2bf81922f7
Consider these expples
{ 92 }
async { 92 }
'a: { 92 }
#[a] { 92 }
Previously the tree for them were
BLOCK_EXPR
{ ... }
EFFECT_EXPR
async
BLOCK_EXPR
{ ... }
EFFECT_EXPR
'a:
BLOCK_EXPR
{ ... }
BLOCK_EXPR
#[a]
{ ... }
As you see, it gets progressively worse :) The last two items are
especially odd. The last one even violates the balanced curleys
invariant we have (#10357) The new approach is to say that the stuff in
`{}` is stmt_list, and the block is stmt_list + optional modifiers
BLOCK_EXPR
STMT_LIST
{ ... }
BLOCK_EXPR
async
STMT_LIST
{ ... }
BLOCK_EXPR
'a:
STMT_LIST
{ ... }
BLOCK_EXPR
#[a]
STMT_LIST
{ ... }
76 lines
2.3 KiB
Plaintext
76 lines
2.3 KiB
Plaintext
SOURCE_FILE@0..83
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FN@0..82
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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..82
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STMT_LIST@10..82
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L_CURLY@10..11 "{"
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WHITESPACE@11..16 "\n "
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EXPR_STMT@16..29
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BLOCK_EXPR@16..29
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STMT_LIST@16..29
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L_CURLY@16..17 "{"
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WHITESPACE@17..18 " "
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ERROR@18..24
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UNSAFE_KW@18..24 "unsafe"
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WHITESPACE@24..25 " "
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LITERAL@25..27
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INT_NUMBER@25..27 "92"
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WHITESPACE@27..28 " "
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R_CURLY@28..29 "}"
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WHITESPACE@29..34 "\n "
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EXPR_STMT@34..46
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BLOCK_EXPR@34..46
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STMT_LIST@34..46
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L_CURLY@34..35 "{"
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WHITESPACE@35..36 " "
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ERROR@36..41
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ASYNC_KW@36..41 "async"
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WHITESPACE@41..42 " "
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LITERAL@42..44
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INT_NUMBER@42..44 "92"
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WHITESPACE@44..45 " "
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R_CURLY@45..46 "}"
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WHITESPACE@46..51 "\n "
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EXPR_STMT@51..61
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BLOCK_EXPR@51..61
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STMT_LIST@51..61
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L_CURLY@51..52 "{"
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WHITESPACE@52..53 " "
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EXPR_STMT@53..56
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BLOCK_EXPR@53..56
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TRY_KW@53..56 "try"
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WHITESPACE@56..57 " "
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LITERAL@57..59
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INT_NUMBER@57..59 "92"
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WHITESPACE@59..60 " "
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R_CURLY@60..61 "}"
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WHITESPACE@61..66 "\n "
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BLOCK_EXPR@66..80
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STMT_LIST@66..80
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L_CURLY@66..67 "{"
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WHITESPACE@67..68 " "
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ERROR@68..75
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LABEL@68..75
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LIFETIME@68..74
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LIFETIME_IDENT@68..74 "'label"
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COLON@74..75 ":"
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WHITESPACE@75..76 " "
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LITERAL@76..78
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INT_NUMBER@76..78 "92"
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WHITESPACE@78..79 " "
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R_CURLY@79..80 "}"
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WHITESPACE@80..81 "\n"
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R_CURLY@81..82 "}"
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WHITESPACE@82..83 "\n"
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error 24..24: expected existential, fn, trait or impl
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error 41..41: expected existential, fn, trait or impl
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error 56..56: expected a block
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error 75..75: expected a loop
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