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authorMatthew Jasper <[email protected]>2020-02-09 18:57:01 +0000
committerMatthew Jasper <[email protected]>2020-02-09 22:06:15 +0000
commit8c8d0bb34f5495e0f260b5aaf3685ecb98406f32 (patch)
tree26df75871f23bb30fbef81fbc3c75beedaf20ab5 /crates/ra_hir_def/src
parent1b9b13b4b4a75b5531c3f046ce6bf72d681f2732 (diff)
Add or- and parenthesized-patterns
Diffstat (limited to 'crates/ra_hir_def/src')
-rw-r--r--crates/ra_hir_def/src/body/lower.rs15
-rw-r--r--crates/ra_hir_def/src/body/scope.rs4
-rw-r--r--crates/ra_hir_def/src/expr.rs5
3 files changed, 14 insertions, 10 deletions
diff --git a/crates/ra_hir_def/src/body/lower.rs b/crates/ra_hir_def/src/body/lower.rs
index e656f9a41..fe0973fc7 100644
--- a/crates/ra_hir_def/src/body/lower.rs
+++ b/crates/ra_hir_def/src/body/lower.rs
@@ -164,9 +164,9 @@ where
164 let match_expr = self.collect_expr_opt(condition.expr()); 164 let match_expr = self.collect_expr_opt(condition.expr());
165 let placeholder_pat = self.missing_pat(); 165 let placeholder_pat = self.missing_pat();
166 let arms = vec![ 166 let arms = vec![
167 MatchArm { pats: vec![pat], expr: then_branch, guard: None }, 167 MatchArm { pat, expr: then_branch, guard: None },
168 MatchArm { 168 MatchArm {
169 pats: vec![placeholder_pat], 169 pat: placeholder_pat,
170 expr: else_branch.unwrap_or_else(|| self.empty_block()), 170 expr: else_branch.unwrap_or_else(|| self.empty_block()),
171 guard: None, 171 guard: None,
172 }, 172 },
@@ -203,8 +203,8 @@ where
203 let placeholder_pat = self.missing_pat(); 203 let placeholder_pat = self.missing_pat();
204 let break_ = self.alloc_expr_desugared(Expr::Break { expr: None }); 204 let break_ = self.alloc_expr_desugared(Expr::Break { expr: None });
205 let arms = vec![ 205 let arms = vec![
206 MatchArm { pats: vec![pat], expr: body, guard: None }, 206 MatchArm { pat, expr: body, guard: None },
207 MatchArm { pats: vec![placeholder_pat], expr: break_, guard: None }, 207 MatchArm { pat: placeholder_pat, expr: break_, guard: None },
208 ]; 208 ];
209 let match_expr = 209 let match_expr =
210 self.alloc_expr_desugared(Expr::Match { expr: match_expr, arms }); 210 self.alloc_expr_desugared(Expr::Match { expr: match_expr, arms });
@@ -250,7 +250,7 @@ where
250 match_arm_list 250 match_arm_list
251 .arms() 251 .arms()
252 .map(|arm| MatchArm { 252 .map(|arm| MatchArm {
253 pats: arm.pats().map(|p| self.collect_pat(p)).collect(), 253 pat: self.collect_pat_opt(arm.pat()),
254 expr: self.collect_expr_opt(arm.expr()), 254 expr: self.collect_expr_opt(arm.expr()),
255 guard: arm 255 guard: arm
256 .guard() 256 .guard()
@@ -587,6 +587,11 @@ where
587 let path = p.path().and_then(|path| self.expander.parse_path(path)); 587 let path = p.path().and_then(|path| self.expander.parse_path(path));
588 path.map(Pat::Path).unwrap_or(Pat::Missing) 588 path.map(Pat::Path).unwrap_or(Pat::Missing)
589 } 589 }
590 ast::Pat::OrPat(p) => {
591 let pats = p.pats().map(|p| self.collect_pat(p)).collect();
592 Pat::Or(pats)
593 }
594 ast::Pat::ParenPat(p) => return self.collect_pat_opt(p.pat()),
590 ast::Pat::TuplePat(p) => { 595 ast::Pat::TuplePat(p) => {
591 let args = p.args().map(|p| self.collect_pat(p)).collect(); 596 let args = p.args().map(|p| self.collect_pat(p)).collect();
592 Pat::Tuple(args) 597 Pat::Tuple(args)
diff --git a/crates/ra_hir_def/src/body/scope.rs b/crates/ra_hir_def/src/body/scope.rs
index a63552327..32c924acc 100644
--- a/crates/ra_hir_def/src/body/scope.rs
+++ b/crates/ra_hir_def/src/body/scope.rs
@@ -158,9 +158,7 @@ fn compute_expr_scopes(expr: ExprId, body: &Body, scopes: &mut ExprScopes, scope
158 compute_expr_scopes(*expr, body, scopes, scope); 158 compute_expr_scopes(*expr, body, scopes, scope);
159 for arm in arms { 159 for arm in arms {
160 let scope = scopes.new_scope(scope); 160 let scope = scopes.new_scope(scope);
161 for pat in &arm.pats { 161 scopes.add_bindings(body, scope, arm.pat);
162 scopes.add_bindings(body, scope, *pat);
163 }
164 scopes.set_scope(arm.expr, scope); 162 scopes.set_scope(arm.expr, scope);
165 compute_expr_scopes(arm.expr, body, scopes, scope); 163 compute_expr_scopes(arm.expr, body, scopes, scope);
166 } 164 }
diff --git a/crates/ra_hir_def/src/expr.rs b/crates/ra_hir_def/src/expr.rs
index a75ef9970..5a84e08ed 100644
--- a/crates/ra_hir_def/src/expr.rs
+++ b/crates/ra_hir_def/src/expr.rs
@@ -202,7 +202,7 @@ pub enum Array {
202 202
203#[derive(Debug, Clone, Eq, PartialEq)] 203#[derive(Debug, Clone, Eq, PartialEq)]
204pub struct MatchArm { 204pub struct MatchArm {
205 pub pats: Vec<PatId>, 205 pub pat: PatId,
206 pub guard: Option<ExprId>, 206 pub guard: Option<ExprId>,
207 pub expr: ExprId, 207 pub expr: ExprId,
208} 208}
@@ -382,6 +382,7 @@ pub enum Pat {
382 Missing, 382 Missing,
383 Wild, 383 Wild,
384 Tuple(Vec<PatId>), 384 Tuple(Vec<PatId>),
385 Or(Vec<PatId>),
385 Record { 386 Record {
386 path: Option<Path>, 387 path: Option<Path>,
387 args: Vec<RecordFieldPat>, 388 args: Vec<RecordFieldPat>,
@@ -420,7 +421,7 @@ impl Pat {
420 Pat::Bind { subpat, .. } => { 421 Pat::Bind { subpat, .. } => {
421 subpat.iter().copied().for_each(f); 422 subpat.iter().copied().for_each(f);
422 } 423 }
423 Pat::Tuple(args) | Pat::TupleStruct { args, .. } => { 424 Pat::Or(args) | Pat::Tuple(args) | Pat::TupleStruct { args, .. } => {
424 args.iter().copied().for_each(f); 425 args.iter().copied().for_each(f);
425 } 426 }
426 Pat::Ref { pat, .. } => f(*pat), 427 Pat::Ref { pat, .. } => f(*pat),