bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

rustc: Make < and = into traits

Browse source
This commit is contained in:
Patrick Walton 2012-08-27 16:26:35 -07:00
parent 94720fcea7
commit 96534365c2
103 changed files with 2985 additions and 328 deletions
Download patch file Download diff file Expand all files Collapse all files

15
src/libsyntax/codemap.rs
View file

@ -32,6 +32,12 @@ type filename = ~str;
type file_pos = {ch: uint, byte: uint};
impl file_pos: cmp::Eq {
pure fn eq(&&other: file_pos) -> bool {
self.ch == other.ch && self.byte == other.byte
}
}
/* A codemap is a thing that maps uints to file/line/column positions
* in a crate. This to make it possible to represent the positions
* with single-word things, rather than passing records all over the
@ -161,8 +167,15 @@ enum expn_info_ {
callie: {name: ~str, span: Option<span>}})
}
type expn_info = Option<@expn_info_>;
type span = {lo: uint, hi: uint, expn_info: expn_info};
impl span : cmp::Eq {
pure fn eq(&&other: span) -> bool {
return self.lo == other.lo && self.hi == other.hi;
}
}
fn span_to_str_no_adj(sp: span, cm: codemap) -> ~str {
let lo = lookup_char_pos(cm, sp.lo);
let hi = lookup_char_pos(cm, sp.hi);
@ -216,7 +229,7 @@ fn lookup_byte_offset(cm: codemap::codemap, chpos: uint)
fn span_to_snippet(sp: span, cm: codemap::codemap) -> ~str {
let begin = lookup_byte_offset(cm, sp.lo);
let end = lookup_byte_offset(cm, sp.hi);
assert begin.fm == end.fm;
assert begin.fm.start_pos == end.fm.start_pos;
return str::slice(*begin.fm.src, begin.pos, end.pos);
}