diff options
Diffstat (limited to 'crates/ra_syntax/src/ast')
-rw-r--r-- | crates/ra_syntax/src/ast/expr_extensions.rs | 27 | ||||
-rw-r--r-- | crates/ra_syntax/src/ast/generated/nodes.rs | 37 |
2 files changed, 41 insertions, 23 deletions
diff --git a/crates/ra_syntax/src/ast/expr_extensions.rs b/crates/ra_syntax/src/ast/expr_extensions.rs index 352c0d2c5..ecf74fd36 100644 --- a/crates/ra_syntax/src/ast/expr_extensions.rs +++ b/crates/ra_syntax/src/ast/expr_extensions.rs | |||
@@ -16,7 +16,7 @@ impl ast::Expr { | |||
16 | | ast::Expr::WhileExpr(_) | 16 | | ast::Expr::WhileExpr(_) |
17 | | ast::Expr::BlockExpr(_) | 17 | | ast::Expr::BlockExpr(_) |
18 | | ast::Expr::MatchExpr(_) | 18 | | ast::Expr::MatchExpr(_) |
19 | | ast::Expr::TryExpr(_) => true, | 19 | | ast::Expr::TryBlockExpr(_) => true, |
20 | _ => false, | 20 | _ => false, |
21 | } | 21 | } |
22 | } | 22 | } |
@@ -359,22 +359,7 @@ impl ast::Literal { | |||
359 | } | 359 | } |
360 | } | 360 | } |
361 | 361 | ||
362 | pub enum BlockModifier { | ||
363 | Async(SyntaxToken), | ||
364 | Unsafe(SyntaxToken), | ||
365 | } | ||
366 | |||
367 | impl ast::BlockExpr { | 362 | impl ast::BlockExpr { |
368 | pub fn modifier(&self) -> Option<BlockModifier> { | ||
369 | if let Some(token) = self.async_token() { | ||
370 | return Some(BlockModifier::Async(token)); | ||
371 | } | ||
372 | if let Some(token) = self.unsafe_token() { | ||
373 | return Some(BlockModifier::Unsafe(token)); | ||
374 | } | ||
375 | None | ||
376 | } | ||
377 | |||
378 | /// false if the block is an intrinsic part of the syntax and can't be | 363 | /// false if the block is an intrinsic part of the syntax and can't be |
379 | /// replaced with arbitrary expression. | 364 | /// replaced with arbitrary expression. |
380 | /// | 365 | /// |
@@ -383,15 +368,15 @@ impl ast::BlockExpr { | |||
383 | /// const FOO: () = { stand_alone }; | 368 | /// const FOO: () = { stand_alone }; |
384 | /// ``` | 369 | /// ``` |
385 | pub fn is_standalone(&self) -> bool { | 370 | pub fn is_standalone(&self) -> bool { |
386 | if self.modifier().is_some() { | 371 | if self.unsafe_token().is_some() || self.async_token().is_some() { |
387 | return false; | 372 | return false; |
388 | } | 373 | } |
389 | let parent = match self.syntax().parent() { | 374 | let kind = match self.syntax().parent() { |
390 | Some(it) => it, | ||
391 | None => return true, | 375 | None => return true, |
376 | Some(it) => it.kind(), | ||
392 | }; | 377 | }; |
393 | match parent.kind() { | 378 | match kind { |
394 | FN_DEF | IF_EXPR | WHILE_EXPR | LOOP_EXPR => false, | 379 | FN_DEF | IF_EXPR | WHILE_EXPR | LOOP_EXPR | TRY_BLOCK_EXPR => false, |
395 | _ => true, | 380 | _ => true, |
396 | } | 381 | } |
397 | } | 382 | } |
diff --git a/crates/ra_syntax/src/ast/generated/nodes.rs b/crates/ra_syntax/src/ast/generated/nodes.rs index 3f16592b6..2096f12f1 100644 --- a/crates/ra_syntax/src/ast/generated/nodes.rs +++ b/crates/ra_syntax/src/ast/generated/nodes.rs | |||
@@ -476,6 +476,16 @@ impl LoopExpr { | |||
476 | } | 476 | } |
477 | 477 | ||
478 | #[derive(Debug, Clone, PartialEq, Eq, Hash)] | 478 | #[derive(Debug, Clone, PartialEq, Eq, Hash)] |
479 | pub struct TryBlockExpr { | ||
480 | pub(crate) syntax: SyntaxNode, | ||
481 | } | ||
482 | impl ast::AttrsOwner for TryBlockExpr {} | ||
483 | impl TryBlockExpr { | ||
484 | pub fn try_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![try]) } | ||
485 | pub fn body(&self) -> Option<BlockExpr> { support::child(&self.syntax) } | ||
486 | } | ||
487 | |||
488 | #[derive(Debug, Clone, PartialEq, Eq, Hash)] | ||
479 | pub struct ForExpr { | 489 | pub struct ForExpr { |
480 | pub(crate) syntax: SyntaxNode, | 490 | pub(crate) syntax: SyntaxNode, |
481 | } | 491 | } |
@@ -1467,6 +1477,7 @@ pub enum Expr { | |||
1467 | FieldExpr(FieldExpr), | 1477 | FieldExpr(FieldExpr), |
1468 | AwaitExpr(AwaitExpr), | 1478 | AwaitExpr(AwaitExpr), |
1469 | TryExpr(TryExpr), | 1479 | TryExpr(TryExpr), |
1480 | TryBlockExpr(TryBlockExpr), | ||
1470 | CastExpr(CastExpr), | 1481 | CastExpr(CastExpr), |
1471 | RefExpr(RefExpr), | 1482 | RefExpr(RefExpr), |
1472 | PrefixExpr(PrefixExpr), | 1483 | PrefixExpr(PrefixExpr), |
@@ -1949,6 +1960,17 @@ impl AstNode for LoopExpr { | |||
1949 | } | 1960 | } |
1950 | fn syntax(&self) -> &SyntaxNode { &self.syntax } | 1961 | fn syntax(&self) -> &SyntaxNode { &self.syntax } |
1951 | } | 1962 | } |
1963 | impl AstNode for TryBlockExpr { | ||
1964 | fn can_cast(kind: SyntaxKind) -> bool { kind == TRY_BLOCK_EXPR } | ||
1965 | fn cast(syntax: SyntaxNode) -> Option<Self> { | ||
1966 | if Self::can_cast(syntax.kind()) { | ||
1967 | Some(Self { syntax }) | ||
1968 | } else { | ||
1969 | None | ||
1970 | } | ||
1971 | } | ||
1972 | fn syntax(&self) -> &SyntaxNode { &self.syntax } | ||
1973 | } | ||
1952 | impl AstNode for ForExpr { | 1974 | impl AstNode for ForExpr { |
1953 | fn can_cast(kind: SyntaxKind) -> bool { kind == FOR_EXPR } | 1975 | fn can_cast(kind: SyntaxKind) -> bool { kind == FOR_EXPR } |
1954 | fn cast(syntax: SyntaxNode) -> Option<Self> { | 1976 | fn cast(syntax: SyntaxNode) -> Option<Self> { |
@@ -3290,6 +3312,9 @@ impl From<AwaitExpr> for Expr { | |||
3290 | impl From<TryExpr> for Expr { | 3312 | impl From<TryExpr> for Expr { |
3291 | fn from(node: TryExpr) -> Expr { Expr::TryExpr(node) } | 3313 | fn from(node: TryExpr) -> Expr { Expr::TryExpr(node) } |
3292 | } | 3314 | } |
3315 | impl From<TryBlockExpr> for Expr { | ||
3316 | fn from(node: TryBlockExpr) -> Expr { Expr::TryBlockExpr(node) } | ||
3317 | } | ||
3293 | impl From<CastExpr> for Expr { | 3318 | impl From<CastExpr> for Expr { |
3294 | fn from(node: CastExpr) -> Expr { Expr::CastExpr(node) } | 3319 | fn from(node: CastExpr) -> Expr { Expr::CastExpr(node) } |
3295 | } | 3320 | } |
@@ -3320,8 +3345,9 @@ impl AstNode for Expr { | |||
3320 | TUPLE_EXPR | ARRAY_EXPR | PAREN_EXPR | PATH_EXPR | LAMBDA_EXPR | IF_EXPR | 3345 | TUPLE_EXPR | ARRAY_EXPR | PAREN_EXPR | PATH_EXPR | LAMBDA_EXPR | IF_EXPR |
3321 | | LOOP_EXPR | FOR_EXPR | WHILE_EXPR | CONTINUE_EXPR | BREAK_EXPR | LABEL | 3346 | | LOOP_EXPR | FOR_EXPR | WHILE_EXPR | CONTINUE_EXPR | BREAK_EXPR | LABEL |
3322 | | BLOCK_EXPR | RETURN_EXPR | MATCH_EXPR | RECORD_LIT | CALL_EXPR | INDEX_EXPR | 3347 | | BLOCK_EXPR | RETURN_EXPR | MATCH_EXPR | RECORD_LIT | CALL_EXPR | INDEX_EXPR |
3323 | | METHOD_CALL_EXPR | FIELD_EXPR | AWAIT_EXPR | TRY_EXPR | CAST_EXPR | REF_EXPR | 3348 | | METHOD_CALL_EXPR | FIELD_EXPR | AWAIT_EXPR | TRY_EXPR | TRY_BLOCK_EXPR |
3324 | | PREFIX_EXPR | RANGE_EXPR | BIN_EXPR | LITERAL | MACRO_CALL | BOX_EXPR => true, | 3349 | | CAST_EXPR | REF_EXPR | PREFIX_EXPR | RANGE_EXPR | BIN_EXPR | LITERAL | MACRO_CALL |
3350 | | BOX_EXPR => true, | ||
3325 | _ => false, | 3351 | _ => false, |
3326 | } | 3352 | } |
3327 | } | 3353 | } |
@@ -3349,6 +3375,7 @@ impl AstNode for Expr { | |||
3349 | FIELD_EXPR => Expr::FieldExpr(FieldExpr { syntax }), | 3375 | FIELD_EXPR => Expr::FieldExpr(FieldExpr { syntax }), |
3350 | AWAIT_EXPR => Expr::AwaitExpr(AwaitExpr { syntax }), | 3376 | AWAIT_EXPR => Expr::AwaitExpr(AwaitExpr { syntax }), |
3351 | TRY_EXPR => Expr::TryExpr(TryExpr { syntax }), | 3377 | TRY_EXPR => Expr::TryExpr(TryExpr { syntax }), |
3378 | TRY_BLOCK_EXPR => Expr::TryBlockExpr(TryBlockExpr { syntax }), | ||
3352 | CAST_EXPR => Expr::CastExpr(CastExpr { syntax }), | 3379 | CAST_EXPR => Expr::CastExpr(CastExpr { syntax }), |
3353 | REF_EXPR => Expr::RefExpr(RefExpr { syntax }), | 3380 | REF_EXPR => Expr::RefExpr(RefExpr { syntax }), |
3354 | PREFIX_EXPR => Expr::PrefixExpr(PrefixExpr { syntax }), | 3381 | PREFIX_EXPR => Expr::PrefixExpr(PrefixExpr { syntax }), |
@@ -3385,6 +3412,7 @@ impl AstNode for Expr { | |||
3385 | Expr::FieldExpr(it) => &it.syntax, | 3412 | Expr::FieldExpr(it) => &it.syntax, |
3386 | Expr::AwaitExpr(it) => &it.syntax, | 3413 | Expr::AwaitExpr(it) => &it.syntax, |
3387 | Expr::TryExpr(it) => &it.syntax, | 3414 | Expr::TryExpr(it) => &it.syntax, |
3415 | Expr::TryBlockExpr(it) => &it.syntax, | ||
3388 | Expr::CastExpr(it) => &it.syntax, | 3416 | Expr::CastExpr(it) => &it.syntax, |
3389 | Expr::RefExpr(it) => &it.syntax, | 3417 | Expr::RefExpr(it) => &it.syntax, |
3390 | Expr::PrefixExpr(it) => &it.syntax, | 3418 | Expr::PrefixExpr(it) => &it.syntax, |
@@ -3865,6 +3893,11 @@ impl std::fmt::Display for LoopExpr { | |||
3865 | std::fmt::Display::fmt(self.syntax(), f) | 3893 | std::fmt::Display::fmt(self.syntax(), f) |
3866 | } | 3894 | } |
3867 | } | 3895 | } |
3896 | impl std::fmt::Display for TryBlockExpr { | ||
3897 | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { | ||
3898 | std::fmt::Display::fmt(self.syntax(), f) | ||
3899 | } | ||
3900 | } | ||
3868 | impl std::fmt::Display for ForExpr { | 3901 | impl std::fmt::Display for ForExpr { |
3869 | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { | 3902 | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { |
3870 | std::fmt::Display::fmt(self.syntax(), f) | 3903 | std::fmt::Display::fmt(self.syntax(), f) |