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parse hello world

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This commit is contained in:
nora 2022-07-08 22:15:29 +02:00
parent 727cfc692c
commit f229dd7fdc
7 changed files with 239 additions and 29 deletions
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36
parser/src/pretty.rs
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@ -5,9 +5,9 @@ type Result = std::io::Result<()>;
use crate::{
ast::{
ArithOpKind, Atom, BinaryOp, ComparisonKind, Decl, DeclAttr, DeclSpec, Declarator,
DirectDeclarator, Expr, ExprBinary, ExprUnary, ExternalDecl, FunctionDef,
FunctionParamDecl, InitDecl, IntTyKind, IntTySignedness, NormalDecl, Stmt, TypeSpecifier,
UnaryOp,
DirectDeclarator, Expr, ExprBinary, ExprPostfix, ExprUnary, ExternalDecl, FunctionDef,
FunctionParamDecl, InitDecl, IntTyKind, IntTySignedness, NormalDecl, PostfixOp, Stmt,
TypeSpecifier, UnaryOp,
},
Span, Spanned,
};
@ -335,6 +335,36 @@ impl<W: Write> PrettyPrinter<W> {
Ok(())
}
Expr::Binary(binary) => self.binary(binary),
Expr::Postfix(ExprPostfix { lhs, op }) => {
self.expr(&lhs.0)?;
match op {
PostfixOp::Call(args) => {
self.string("(")?;
let mut first = true;
for (expr, _) in args {
if !first {
self.string(", ")?;
}
first = false;
self.expr(expr)?;
}
self.string(")")?;
Ok(())
}
PostfixOp::Member((ident, _)) => {
self.string(".")?;
self.string(ident)?;
Ok(())
}
PostfixOp::ArrowMember((ident, _)) => {
self.string("->")?;
self.string(ident)?;
Ok(())
}
PostfixOp::Increment => self.string("++"),
PostfixOp::Decrement => self.string("--"),
}
}
}
}