syn_solidity/expr/
type.rs

1use crate::{Spanned, Type, kw};
2use proc_macro2::Span;
3use std::fmt;
4use syn::{
5    Result, Token, parenthesized,
6    parse::{Parse, ParseStream},
7    token::Paren,
8};
9
10/// A `type()` expression: `type(uint256)`
11#[derive(Clone)]
12pub struct ExprTypeCall {
13    pub type_token: Token![type],
14    pub paren_token: Paren,
15    pub ty: Type,
16}
17
18impl fmt::Debug for ExprTypeCall {
19    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
20        f.debug_struct("ExprTypeCall").field("ty", &self.ty).finish()
21    }
22}
23
24impl Parse for ExprTypeCall {
25    fn parse(input: ParseStream<'_>) -> Result<Self> {
26        let content;
27        Ok(Self {
28            type_token: input.parse()?,
29            paren_token: parenthesized!(content in input),
30            ty: content.parse()?,
31        })
32    }
33}
34
35impl Spanned for ExprTypeCall {
36    fn span(&self) -> Span {
37        let span = self.type_token.span;
38        span.join(self.paren_token.span.join()).unwrap_or(span)
39    }
40
41    fn set_span(&mut self, span: Span) {
42        self.type_token.span = span;
43        self.paren_token = Paren(span);
44    }
45}
46
47/// A `new` expression: `new Contract`.
48///
49/// i.e. a contract creation or the allocation of a dynamic memory array.
50#[derive(Clone)]
51pub struct ExprNew {
52    pub new_token: kw::new,
53    pub ty: Type,
54}
55
56impl fmt::Debug for ExprNew {
57    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
58        f.debug_struct("ExprNew").field("ty", &self.ty).finish()
59    }
60}
61
62impl Parse for ExprNew {
63    fn parse(input: ParseStream<'_>) -> Result<Self> {
64        Ok(Self { new_token: input.parse()?, ty: input.parse()? })
65    }
66}
67
68impl Spanned for ExprNew {
69    fn span(&self) -> Span {
70        let span = self.new_token.span;
71        span.join(self.ty.span()).unwrap_or(span)
72    }
73
74    fn set_span(&mut self, span: Span) {
75        self.new_token.span = span;
76        self.ty.set_span(span);
77    }
78}
syn_solidity/expr/type.rs

syn_solidity/expr/
type.rs
