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Lower asm expressions

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This commit is contained in:
Lukas Wirth 2024-09-01 15:17:52 +02:00
parent 86658c66b4
commit 3b11ff8c4d
14 changed files with 612 additions and 97 deletions
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8
crates/syntax/rust.ungram
View file

@ -411,13 +411,11 @@ AsmClobberAbi = 'clobber_abi' '(' ('@string' (',' '@string')* ','?) ')'
AsmOption = 'pure' | 'nomem' | 'readonly' | 'preserves_flags' | 'noreturn' | 'nostack' | 'att_syntax' | 'raw' | 'may_unwind'
// options := "options(" option *("," option) [","] ")"
AsmOptions = 'options' '(' AsmOption *(',' AsmOption) ','? ')'
// operand := reg_operand / clobber_abi / options
AsmOperand = AsmRegOperand | AsmClobberAbi | AsmOptions | AsmLabel
AsmLabel = 'label' BlockExpr
AsmSym = 'sym' Expr
AsmSym = 'sym' Path
AsmConst = 'const' Expr
// operand := reg_operand / clobber_abi / options
AsmOperand = AsmRegOperand | AsmClobberAbi | AsmOptions | AsmLabel | AsmSym | AsmConst
FormatArgsExpr =
Attr* 'builtin' '#' 'format_args' '('

21
crates/syntax/src/ast/generated/nodes.rs
View file

@ -250,7 +250,7 @@ pub struct AsmSym {
}
impl AsmSym {
#[inline]
pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
#[inline]
pub fn sym_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![sym]) }
}
@ -2225,9 +2225,11 @@ impl ast::HasVisibility for Adt {}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub enum AsmOperand {
AsmClobberAbi(AsmClobberAbi),
AsmConst(AsmConst),
AsmLabel(AsmLabel),
AsmOptions(AsmOptions),
AsmRegOperand(AsmRegOperand),
AsmSym(AsmSym),
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
@ -4591,6 +4593,10 @@ impl From<AsmClobberAbi> for AsmOperand {
#[inline]
fn from(node: AsmClobberAbi) -> AsmOperand { AsmOperand::AsmClobberAbi(node) }
}
impl From<AsmConst> for AsmOperand {
#[inline]
fn from(node: AsmConst) -> AsmOperand { AsmOperand::AsmConst(node) }
}
impl From<AsmLabel> for AsmOperand {
#[inline]
fn from(node: AsmLabel) -> AsmOperand { AsmOperand::AsmLabel(node) }
@ -4603,18 +4609,27 @@ impl From<AsmRegOperand> for AsmOperand {
#[inline]
fn from(node: AsmRegOperand) -> AsmOperand { AsmOperand::AsmRegOperand(node) }
}
impl From<AsmSym> for AsmOperand {
#[inline]
fn from(node: AsmSym) -> AsmOperand { AsmOperand::AsmSym(node) }
}
impl AstNode for AsmOperand {
#[inline]
fn can_cast(kind: SyntaxKind) -> bool {
matches!(kind, ASM_CLOBBER_ABI | ASM_LABEL | ASM_OPTIONS | ASM_REG_OPERAND)
matches!(
kind,
ASM_CLOBBER_ABI | ASM_CONST | ASM_LABEL | ASM_OPTIONS | ASM_REG_OPERAND | ASM_SYM
)
}
#[inline]
fn cast(syntax: SyntaxNode) -> Option<Self> {
let res = match syntax.kind() {
ASM_CLOBBER_ABI => AsmOperand::AsmClobberAbi(AsmClobberAbi { syntax }),
ASM_CONST => AsmOperand::AsmConst(AsmConst { syntax }),
ASM_LABEL => AsmOperand::AsmLabel(AsmLabel { syntax }),
ASM_OPTIONS => AsmOperand::AsmOptions(AsmOptions { syntax }),
ASM_REG_OPERAND => AsmOperand::AsmRegOperand(AsmRegOperand { syntax }),
ASM_SYM => AsmOperand::AsmSym(AsmSym { syntax }),
_ => return None,
};
Some(res)
@ -4623,9 +4638,11 @@ impl AstNode for AsmOperand {
fn syntax(&self) -> &SyntaxNode {
match self {
AsmOperand::AsmClobberAbi(it) => &it.syntax,
AsmOperand::AsmConst(it) => &it.syntax,
AsmOperand::AsmLabel(it) => &it.syntax,
AsmOperand::AsmOptions(it) => &it.syntax,
AsmOperand::AsmRegOperand(it) => &it.syntax,
AsmOperand::AsmSym(it) => &it.syntax,
}
}
}