bjoernager/rust
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A basic impl of Rewrite for ast::Expr

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This commit is contained in:
Gaëtan Cassiers 2015-06-16 17:29:05 +02:00
parent c10bfecdc2
commit c012d311c4
4 changed files with 233 additions and 189 deletions
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14
src/visitor.rs
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@ -16,6 +16,7 @@ use utils;
use SKIP_ANNOTATION;
use changes::ChangeSet;
use rewrite::{Rewrite, RewriteContext};
pub struct FmtVisitor<'a> {
pub codemap: &'a CodeMap,
@ -32,9 +33,16 @@ impl<'a, 'v> visit::Visitor<'v> for FmtVisitor<'a> {
self.codemap.lookup_char_pos(ex.span.hi));
self.format_missing(ex.span.lo);
let offset = self.changes.cur_offset_span(ex.span);
let new_str = self.rewrite_expr(ex, config!(max_width) - offset, offset);
self.changes.push_str_span(ex.span, &new_str);
self.last_pos = ex.span.hi;
match ex.rewrite(&RewriteContext { codemap: self.codemap },
config!(max_width) - offset,
offset) {
Some(new_str) => {
//let new_str = self.rewrite_expr(ex, config!(max_width) - offset, offset);
self.changes.push_str_span(ex.span, &new_str);
self.last_pos = ex.span.hi;
}
None => { self.last_pos = ex.span.lo; }
}
}
fn visit_stmt(&mut self, stmt: &'v ast::Stmt) {