builtin_type::{BuiltinFloat, BuiltinInt, BuiltinUint},
db::DefDatabase,
expr::{
- dummy_expr_id, ArithOp, Array, BinaryOp, BindingAnnotation, CmpOp, Expr, ExprId, Label,
- LabelId, Literal, LogicOp, MatchArm, Ordering, Pat, PatId, RecordFieldPat, RecordLitField,
- Statement,
+ dummy_expr_id, Array, BindingAnnotation, Expr, ExprId, Label, LabelId, Literal, MatchArm,
+ MatchGuard, Pat, PatId, RecordFieldPat, RecordLitField, Statement,
},
intern::Interned,
item_scope::BuiltinShadowMode,
self.check_cfg(&arm).map(|()| MatchArm {
pat: self.collect_pat_opt(arm.pat()),
expr: self.collect_expr_opt(arm.expr()),
- guard: arm
- .guard()
- .and_then(|guard| guard.expr())
- .map(|e| self.collect_expr(e)),
+ guard: arm.guard().map(|guard| match guard.pat() {
+ Some(pat) => MatchGuard::IfLet {
+ pat: self.collect_pat(pat),
+ expr: self.collect_expr_opt(guard.expr()),
+ },
+ None => {
+ MatchGuard::If { expr: self.collect_expr_opt(guard.expr()) }
+ }
+ }),
})
})
.collect()
ast::Expr::BinExpr(e) => {
let lhs = self.collect_expr_opt(e.lhs());
let rhs = self.collect_expr_opt(e.rhs());
- let op = e.op_kind().map(BinaryOp::from);
+ let op = e.op_kind();
self.alloc_expr(Expr::BinaryOp { lhs, rhs, op }, syntax_ptr)
}
ast::Expr::TupleExpr(e) => {
ast::Expr::MacroCall(e) => {
let macro_ptr = AstPtr::new(&e);
let mut ids = vec![];
- self.collect_macro_call(e, macro_ptr, true, |this, expansion| {
+ self.collect_macro_call(e, macro_ptr, |this, expansion| {
ids.push(match expansion {
Some(it) => this.collect_expr(it),
None => this.alloc_expr(Expr::Missing, syntax_ptr.clone()),
&mut self,
e: ast::MacroCall,
syntax_ptr: AstPtr<ast::MacroCall>,
- is_error_recoverable: bool,
mut collector: F,
) {
// File containing the macro call. Expansion errors will be attached here.
match res.value {
Some((mark, expansion)) => {
- // FIXME: Statements are too complicated to recover from error for now.
- // It is because we don't have any hygiene for local variable expansion right now.
- if !is_error_recoverable && res.err.is_some() {
- self.expander.exit(self.db, mark);
- collector(self, None);
- } else {
- self.source_map.expansions.insert(macro_call, self.expander.current_file_id);
+ self.source_map.expansions.insert(macro_call, self.expander.current_file_id);
- let id = collector(self, Some(expansion));
- self.expander.exit(self.db, mark);
- id
- }
+ let id = collector(self, Some(expansion));
+ self.expander.exit(self.db, mark);
+ id
}
None => collector(self, None),
}
self.statements_in_scope.push(Statement::Let { pat, type_ref, initializer });
}
ast::Stmt::ExprStmt(stmt) => {
- if self.check_cfg(&stmt).is_none() {
- return;
+ if let Some(expr) = stmt.expr() {
+ if self.check_cfg(&expr).is_none() {
+ return;
+ }
}
let has_semi = stmt.semicolon_token().is_some();
// Note that macro could be expended to multiple statements
let macro_ptr = AstPtr::new(&m);
let syntax_ptr = AstPtr::new(&stmt.expr().unwrap());
- self.collect_macro_call(
- m,
- macro_ptr,
- false,
- |this, expansion| match expansion {
- Some(expansion) => {
- let statements: ast::MacroStmts = expansion;
-
- statements.statements().for_each(|stmt| this.collect_stmt(stmt));
- if let Some(expr) = statements.expr() {
- let expr = this.collect_expr(expr);
- this.statements_in_scope
- .push(Statement::Expr { expr, has_semi });
- }
- }
- None => {
- let expr = this.alloc_expr(Expr::Missing, syntax_ptr.clone());
+ self.collect_macro_call(m, macro_ptr, |this, expansion| match expansion {
+ Some(expansion) => {
+ let statements: ast::MacroStmts = expansion;
+
+ statements.statements().for_each(|stmt| this.collect_stmt(stmt));
+ if let Some(expr) = statements.expr() {
+ let expr = this.collect_expr(expr);
this.statements_in_scope.push(Statement::Expr { expr, has_semi });
}
- },
- );
+ }
+ None => {
+ let expr = this.alloc_expr(Expr::Missing, syntax_ptr.clone());
+ this.statements_in_scope.push(Statement::Expr { expr, has_semi });
+ }
+ });
} else {
let expr = self.collect_expr_opt(stmt.expr());
self.statements_in_scope.push(Statement::Expr { expr, has_semi });
}
}
ast::Stmt::Item(item) => {
- if self.check_cfg(&item).is_none() {
- return;
- }
+ self.check_cfg(&item);
}
}
}
block.statements().for_each(|s| self.collect_stmt(s));
block.tail_expr().and_then(|e| {
let expr = self.maybe_collect_expr(e)?;
- Some(self.statements_in_scope.push(Statement::Expr { expr, has_semi: false }))
+ self.statements_in_scope.push(Statement::Expr { expr, has_semi: false });
+ Some(())
});
let mut tail = None;
Some(call) => {
let macro_ptr = AstPtr::new(&call);
let mut pat = None;
- self.collect_macro_call(call, macro_ptr, true, |this, expanded_pat| {
+ self.collect_macro_call(call, macro_ptr, |this, expanded_pat| {
pat = Some(this.collect_pat_opt(expanded_pat));
});
}
}
-impl From<ast::BinOp> for BinaryOp {
- fn from(ast_op: ast::BinOp) -> Self {
- match ast_op {
- ast::BinOp::BooleanOr => BinaryOp::LogicOp(LogicOp::Or),
- ast::BinOp::BooleanAnd => BinaryOp::LogicOp(LogicOp::And),
- ast::BinOp::EqualityTest => BinaryOp::CmpOp(CmpOp::Eq { negated: false }),
- ast::BinOp::NegatedEqualityTest => BinaryOp::CmpOp(CmpOp::Eq { negated: true }),
- ast::BinOp::LesserEqualTest => {
- BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Less, strict: false })
- }
- ast::BinOp::GreaterEqualTest => {
- BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Greater, strict: false })
- }
- ast::BinOp::LesserTest => {
- BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Less, strict: true })
- }
- ast::BinOp::GreaterTest => {
- BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Greater, strict: true })
- }
- ast::BinOp::Addition => BinaryOp::ArithOp(ArithOp::Add),
- ast::BinOp::Multiplication => BinaryOp::ArithOp(ArithOp::Mul),
- ast::BinOp::Subtraction => BinaryOp::ArithOp(ArithOp::Sub),
- ast::BinOp::Division => BinaryOp::ArithOp(ArithOp::Div),
- ast::BinOp::Remainder => BinaryOp::ArithOp(ArithOp::Rem),
- ast::BinOp::LeftShift => BinaryOp::ArithOp(ArithOp::Shl),
- ast::BinOp::RightShift => BinaryOp::ArithOp(ArithOp::Shr),
- ast::BinOp::BitwiseXor => BinaryOp::ArithOp(ArithOp::BitXor),
- ast::BinOp::BitwiseOr => BinaryOp::ArithOp(ArithOp::BitOr),
- ast::BinOp::BitwiseAnd => BinaryOp::ArithOp(ArithOp::BitAnd),
- ast::BinOp::Assignment => BinaryOp::Assignment { op: None },
- ast::BinOp::AddAssign => BinaryOp::Assignment { op: Some(ArithOp::Add) },
- ast::BinOp::DivAssign => BinaryOp::Assignment { op: Some(ArithOp::Div) },
- ast::BinOp::MulAssign => BinaryOp::Assignment { op: Some(ArithOp::Mul) },
- ast::BinOp::RemAssign => BinaryOp::Assignment { op: Some(ArithOp::Rem) },
- ast::BinOp::ShlAssign => BinaryOp::Assignment { op: Some(ArithOp::Shl) },
- ast::BinOp::ShrAssign => BinaryOp::Assignment { op: Some(ArithOp::Shr) },
- ast::BinOp::SubAssign => BinaryOp::Assignment { op: Some(ArithOp::Sub) },
- ast::BinOp::BitOrAssign => BinaryOp::Assignment { op: Some(ArithOp::BitOr) },
- ast::BinOp::BitAndAssign => BinaryOp::Assignment { op: Some(ArithOp::BitAnd) },
- ast::BinOp::BitXorAssign => BinaryOp::Assignment { op: Some(ArithOp::BitXor) },
- }
- }
-}
-
impl From<ast::LiteralKind> for Literal {
fn from(ast_lit_kind: ast::LiteralKind) -> Self {
match ast_lit_kind {
// FIXME: these should have actual values filled in, but unsure on perf impact
LiteralKind::IntNumber(lit) => {
if let builtin @ Some(_) = lit.suffix().and_then(BuiltinFloat::from_suffix) {
- return Literal::Float(Default::default(), builtin);
+ Literal::Float(Default::default(), builtin)
} else if let builtin @ Some(_) =
- lit.suffix().and_then(|it| BuiltinInt::from_suffix(&it))
+ lit.suffix().and_then(|it| BuiltinInt::from_suffix(it))
{
Literal::Int(lit.value().unwrap_or(0) as i128, builtin)
} else {
- let builtin = lit.suffix().and_then(|it| BuiltinUint::from_suffix(&it));
+ let builtin = lit.suffix().and_then(|it| BuiltinUint::from_suffix(it));
Literal::Uint(lit.value().unwrap_or(0), builtin)
}
}
LiteralKind::FloatNumber(lit) => {
- let ty = lit.suffix().and_then(|it| BuiltinFloat::from_suffix(&it));
+ let ty = lit.suffix().and_then(|it| BuiltinFloat::from_suffix(it));
Literal::Float(Default::default(), ty)
}
LiteralKind::ByteString(bs) => {
projects / rust.git / blobdiff