actually compiles and does stuff now
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@@ -1,53 +1,63 @@
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use crate::compiler::riscv64::{AsmInstruction, Reg};
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use super::{
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util::parse_list, AsmBlock, Ident, Keyword, Node, Parsable, ParseResult, SelfVar, Symbol,
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util::parse_list, PAsmBlock, PIdent, Keyword, Node, Parsable, ParseResult, ParserCtx, Symbol, PType, PVarDef,
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};
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#[derive(Debug)]
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pub struct AsmFunctionHeader {
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pub name: Node<Ident>,
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pub sel: Option<Node<SelfVar>>,
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pub args: Vec<Node<Reg>>,
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}
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#[derive(Debug)]
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pub struct AsmFunction {
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pub header: Node<AsmFunctionHeader>,
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pub body: Node<AsmBlock>,
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}
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impl Parsable for AsmFunctionHeader {
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fn parse(
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cursor: &mut super::TokenCursor,
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output: &mut super::ParserOutput,
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) -> ParseResult<Self> {
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cursor.expect_kw(Keyword::Asm)?;
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cursor.expect_kw(Keyword::Fn)?;
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let name = Node::parse(cursor, output)?;
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cursor.expect_sym(Symbol::OpenParen)?;
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let sel = Node::maybe_parse(cursor, output);
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if sel.is_some() {
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if let Err(err) = cursor.expect_sym(Symbol::Comma) {
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output.err(err);
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cursor.seek_syms(&[Symbol::Comma, Symbol::CloseParen]);
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if cursor.peek().is_some_and(|i| i.is_symbol(Symbol::Comma)) {
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cursor.next();
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}
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}
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}
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let args = parse_list(cursor, output, Symbol::CloseParen)?;
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ParseResult::Ok(Self { name, sel, args })
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}
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}
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impl Parsable for AsmFunction {
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fn parse(
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cursor: &mut super::TokenCursor,
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output: &mut super::ParserOutput,
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) -> ParseResult<Self> {
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let header = Node::parse(cursor, output)?;
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let body = Node::parse(cursor, output)?;
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ParseResult::Ok(Self { header, body })
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}
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}
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// #[derive(Debug)]
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// pub struct AsmFunctionHeader {
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// pub name: Node<Ident>,
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// pub args: Vec<Node<AsmVarDef>>,
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// }
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//
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// #[derive(Debug)]
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// pub struct AsmFunction {
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// pub header: Node<AsmFunctionHeader>,
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// pub body: Node<AsmBlock>,
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// }
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//
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// impl Parsable for AsmFunctionHeader {
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// fn parse(ctx: &mut ParserCtx) -> ParseResult<Self> {
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// ctx.expect_kw(Keyword::Asm)?;
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// ctx.expect_kw(Keyword::Fn)?;
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// let name = ctx.parse()?;
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// ctx.expect_sym(Symbol::OpenParen)?;
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// let args = parse_list(ctx, Symbol::CloseParen)?;
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// ParseResult::Ok(Self { name, args })
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// }
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// }
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//
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// impl Parsable for AsmFunction {
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// fn parse(ctx: &mut ParserCtx) -> ParseResult<Self> {
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// let header = ctx.parse()?;
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// let body = ctx.parse()?;
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// ParseResult::Ok(Self { header, body })
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// }
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// }
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//
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// pub struct AsmVarDef {
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// pub reg: Node<Ident>,
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// pub name: Node<Ident>,
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// pub ty: Option<Node<Type>>,
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// }
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//
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// impl Parsable for AsmVarDef {
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// fn parse(ctx: &mut ParserCtx) -> ParseResult<Self> {
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// let reg = ctx.parse()?;
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// let name = ctx.parse()?;
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// if ctx.peek().is_some_and(|n| n.is_symbol(Symbol::Colon)) {
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// ctx.next();
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// ctx.parse().map(|ty| Self { reg, name, ty: Some(ty) })
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// } else {
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// ParseResult::Ok(Self { reg, name, ty: None })
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// }
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// }
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// }
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//
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// impl std::fmt::Debug for AsmVarDef {
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// fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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// self.name.fmt(f)?;
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// if let Some(ty) = &self.ty {
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// write!(f, ": {:?}", ty)?;
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// }
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// Ok(())
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// }
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// }
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