Move Stmt Grammar

This commit is contained in:
Aleksey Kladov 2020-07-31 15:18:14 +02:00
parent c04c06c4bc
commit 4d38b0dce1
2 changed files with 96 additions and 95 deletions

View File

@ -473,6 +473,7 @@ pub struct LifetimeParam {
pub(crate) syntax: SyntaxNode,
}
impl ast::AttrsOwner for LifetimeParam {}
impl ast::TypeBoundsOwner for LifetimeParam {}
impl LifetimeParam {
pub fn lifetime_token(&self) -> Option<SyntaxToken> {
support::token(&self.syntax, T![lifetime])
@ -503,6 +504,19 @@ impl ConstParam {
pub fn default_val(&self) -> Option<Expr> { support::child(&self.syntax) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct WherePred {
pub(crate) syntax: SyntaxNode,
}
impl ast::TypeBoundsOwner for WherePred {}
impl WherePred {
pub fn for_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![for]) }
pub fn generic_param_list(&self) -> Option<GenericParamList> { support::child(&self.syntax) }
pub fn lifetime_token(&self) -> Option<SyntaxToken> {
support::token(&self.syntax, T![lifetime])
}
pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct Literal {
pub(crate) syntax: SyntaxNode,
}
@ -520,6 +534,29 @@ impl TokenTree {
pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct LetStmt {
pub(crate) syntax: SyntaxNode,
}
impl ast::AttrsOwner for LetStmt {}
impl LetStmt {
pub fn let_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![let]) }
pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
pub fn initializer(&self) -> Option<Expr> { support::child(&self.syntax) }
pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct ExprStmt {
pub(crate) syntax: SyntaxNode,
}
impl ast::AttrsOwner for ExprStmt {}
impl ExprStmt {
pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct ParenType {
pub(crate) syntax: SyntaxNode,
}
@ -1179,42 +1216,6 @@ impl MacroStmts {
pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct WherePred {
pub(crate) syntax: SyntaxNode,
}
impl ast::TypeBoundsOwner for WherePred {}
impl WherePred {
pub fn for_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![for]) }
pub fn generic_param_list(&self) -> Option<GenericParamList> { support::child(&self.syntax) }
pub fn lifetime_token(&self) -> Option<SyntaxToken> {
support::token(&self.syntax, T![lifetime])
}
pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct ExprStmt {
pub(crate) syntax: SyntaxNode,
}
impl ast::AttrsOwner for ExprStmt {}
impl ExprStmt {
pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct LetStmt {
pub(crate) syntax: SyntaxNode,
}
impl ast::AttrsOwner for LetStmt {}
impl LetStmt {
pub fn let_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![let]) }
pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
pub fn initializer(&self) -> Option<Expr> { support::child(&self.syntax) }
pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct PathSegment {
pub(crate) syntax: SyntaxNode,
}
@ -1880,6 +1881,17 @@ impl AstNode for ConstParam {
}
fn syntax(&self) -> &SyntaxNode { &self.syntax }
}
impl AstNode for WherePred {
fn can_cast(kind: SyntaxKind) -> bool { kind == WHERE_PRED }
fn cast(syntax: SyntaxNode) -> Option<Self> {
if Self::can_cast(syntax.kind()) {
Some(Self { syntax })
} else {
None
}
}
fn syntax(&self) -> &SyntaxNode { &self.syntax }
}
impl AstNode for Literal {
fn can_cast(kind: SyntaxKind) -> bool { kind == LITERAL }
fn cast(syntax: SyntaxNode) -> Option<Self> {
@ -1902,6 +1914,28 @@ impl AstNode for TokenTree {
}
fn syntax(&self) -> &SyntaxNode { &self.syntax }
}
impl AstNode for LetStmt {
fn can_cast(kind: SyntaxKind) -> bool { kind == LET_STMT }
fn cast(syntax: SyntaxNode) -> Option<Self> {
if Self::can_cast(syntax.kind()) {
Some(Self { syntax })
} else {
None
}
}
fn syntax(&self) -> &SyntaxNode { &self.syntax }
}
impl AstNode for ExprStmt {
fn can_cast(kind: SyntaxKind) -> bool { kind == EXPR_STMT }
fn cast(syntax: SyntaxNode) -> Option<Self> {
if Self::can_cast(syntax.kind()) {
Some(Self { syntax })
} else {
None
}
}
fn syntax(&self) -> &SyntaxNode { &self.syntax }
}
impl AstNode for ParenType {
fn can_cast(kind: SyntaxKind) -> bool { kind == PAREN_TYPE }
fn cast(syntax: SyntaxNode) -> Option<Self> {
@ -2672,39 +2706,6 @@ impl AstNode for MacroStmts {
}
fn syntax(&self) -> &SyntaxNode { &self.syntax }
}
impl AstNode for WherePred {
fn can_cast(kind: SyntaxKind) -> bool { kind == WHERE_PRED }
fn cast(syntax: SyntaxNode) -> Option<Self> {
if Self::can_cast(syntax.kind()) {
Some(Self { syntax })
} else {
None
}
}
fn syntax(&self) -> &SyntaxNode { &self.syntax }
}
impl AstNode for ExprStmt {
fn can_cast(kind: SyntaxKind) -> bool { kind == EXPR_STMT }
fn cast(syntax: SyntaxNode) -> Option<Self> {
if Self::can_cast(syntax.kind()) {
Some(Self { syntax })
} else {
None
}
}
fn syntax(&self) -> &SyntaxNode { &self.syntax }
}
impl AstNode for LetStmt {
fn can_cast(kind: SyntaxKind) -> bool { kind == LET_STMT }
fn cast(syntax: SyntaxNode) -> Option<Self> {
if Self::can_cast(syntax.kind()) {
Some(Self { syntax })
} else {
None
}
}
fn syntax(&self) -> &SyntaxNode { &self.syntax }
}
impl AstNode for PathSegment {
fn can_cast(kind: SyntaxKind) -> bool { kind == PATH_SEGMENT }
fn cast(syntax: SyntaxNode) -> Option<Self> {
@ -3671,6 +3672,11 @@ impl std::fmt::Display for ConstParam {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for WherePred {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for Literal {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)
@ -3681,6 +3687,16 @@ impl std::fmt::Display for TokenTree {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for LetStmt {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for ExprStmt {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for ParenType {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)
@ -4031,21 +4047,6 @@ impl std::fmt::Display for MacroStmts {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for WherePred {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for ExprStmt {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for LetStmt {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for PathSegment {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)

View File

@ -194,6 +194,17 @@ Visibility =
Attr =
'#' '!'? '[' Path ('=' Literal | TokenTree)? ']'
Stmt =
LetStmt
| ExprStmt
LetStmt =
Attr* 'let' Pat (':' Type)?
'=' initializer:Expr ';'
ExprStmt =
Attr* Expr ';'?
Type =
ParenType
| TupleType
@ -456,13 +467,6 @@ MacroStmts =
statements:Stmt*
Expr?
ExprStmt =
Attr* Expr ';'
LetStmt =
Attr* 'let' Pat (':' Type)
'=' initializer:Expr ';'
Path =
(qualifier:Path '::')? segment:PathSegment
@ -490,10 +494,6 @@ LifetimeArg =
ConstArg =
Literal | BlockExpr BlockExpr
Stmt =
LetStmt
| ExprStmt
Pat =
OrPat
| ParenPat