libsyntax: Fix errors arising from the automated ~[T] conversion

This commit is contained in:
Patrick Walton 2014-02-28 12:54:01 -08:00
parent 58fd6ab90d
commit 198cc3d850
54 changed files with 577 additions and 306 deletions

View file

@ -15,6 +15,8 @@ use parse::token;
use parse::parser::Parser;
use parse::token::INTERPOLATED;
use std::vec_ng::Vec;
// a parser that can parse attributes.
pub trait ParserAttr {
fn parse_outer_attributes(&mut self) -> Vec<ast::Attribute> ;

View file

@ -20,6 +20,7 @@ use parse::token;
use std::io;
use std::str;
use std::uint;
use std::vec_ng::Vec;
#[deriving(Clone, Eq)]
pub enum CommentStyle {
@ -58,20 +59,20 @@ pub fn strip_doc_comment_decoration(comment: &str) -> ~str {
let mut i = 0u;
let mut j = lines.len();
// first line of all-stars should be omitted
if lines.len() > 0 && lines[0].chars().all(|c| c == '*') {
if lines.len() > 0 && lines.get(0).chars().all(|c| c == '*') {
i += 1;
}
while i < j && lines[i].trim().is_empty() {
while i < j && lines.get(i).trim().is_empty() {
i += 1;
}
// like the first, a last line of all stars should be omitted
if j > i && lines[j - 1].chars().skip(1).all(|c| c == '*') {
if j > i && lines.get(j - 1).chars().skip(1).all(|c| c == '*') {
j -= 1;
}
while j > i && lines[j - 1].trim().is_empty() {
while j > i && lines.get(j - 1).trim().is_empty() {
j -= 1;
}
return lines.slice(i, j).to_owned();
return lines.slice(i, j).iter().map(|x| (*x).clone()).collect();
}
/// remove a "[ \t]*\*" block from each line, if possible

View file

@ -1005,6 +1005,7 @@ mod test {
use parse::token;
use parse::token::{str_to_ident};
use std::io::util;
use std::vec_ng::Vec;
// represents a testing reader (incl. both reader and interner)
struct Env {

View file

@ -21,6 +21,7 @@ use parse::parser::Parser;
use std::cell::RefCell;
use std::io::File;
use std::str;
use std::vec_ng::Vec;
pub mod lexer;
pub mod parser;
@ -288,6 +289,7 @@ mod test {
use std::io;
use std::io::MemWriter;
use std::str;
use std::vec_ng::Vec;
use codemap::{Span, BytePos, Spanned};
use opt_vec;
use ast;
@ -362,27 +364,28 @@ mod test {
// check the token-tree-ization of macros
#[test] fn string_to_tts_macro () {
let tts = string_to_tts(~"macro_rules! zip (($a)=>($a))");
let tts: &[ast::TokenTree] = tts;
let tts: &[ast::TokenTree] = tts.as_slice();
match tts {
[ast::TTTok(_,_),
ast::TTTok(_,token::NOT),
ast::TTTok(_,_),
ast::TTDelim(delim_elts)] => {
let delim_elts: &[ast::TokenTree] = *delim_elts;
let delim_elts: &[ast::TokenTree] = delim_elts.as_slice();
match delim_elts {
[ast::TTTok(_,token::LPAREN),
ast::TTDelim(first_set),
ast::TTTok(_,token::FAT_ARROW),
ast::TTDelim(second_set),
ast::TTTok(_,token::RPAREN)] => {
let first_set: &[ast::TokenTree] = *first_set;
let first_set: &[ast::TokenTree] =
first_set.as_slice();
match first_set {
[ast::TTTok(_,token::LPAREN),
ast::TTTok(_,token::DOLLAR),
ast::TTTok(_,_),
ast::TTTok(_,token::RPAREN)] => {
let second_set: &[ast::TokenTree] =
*second_set;
second_set.as_slice();
match second_set {
[ast::TTTok(_,token::LPAREN),
ast::TTTok(_,token::DOLLAR),

View file

@ -82,7 +82,8 @@ use std::cell::Cell;
use collections::HashSet;
use std::kinds::marker;
use std::mem::replace;
use std::vec;
use std::vec_ng::Vec;
use std::vec_ng;
#[allow(non_camel_case_types)]
#[deriving(Eq)]
@ -270,7 +271,7 @@ fn maybe_append(lhs: Vec<Attribute> , rhs: Option<Vec<Attribute> >)
-> Vec<Attribute> {
match rhs {
None => lhs,
Some(ref attrs) => vec_ng::append(lhs, (*attrs))
Some(ref attrs) => vec_ng::append(lhs, attrs.as_slice())
}
}
@ -406,8 +407,11 @@ impl Parser {
} else if inedible.contains(&self.token) {
// leave it in the input
} else {
let expected = vec_ng::append(edible.to_owned(), inedible);
let expect = tokens_to_str(expected);
let expected = vec_ng::append(edible.iter()
.map(|x| (*x).clone())
.collect(),
inedible);
let expect = tokens_to_str(expected.as_slice());
let actual = self.this_token_to_str();
self.fatal(
if expected.len() != 1 {
@ -445,8 +449,12 @@ impl Parser {
match e.node {
ExprPath(..) => {
// might be unit-struct construction; check for recoverableinput error.
let expected = vec_ng::append(edible.to_owned(), inedible);
self.check_for_erroneous_unit_struct_expecting(expected);
let expected = vec_ng::append(edible.iter()
.map(|x| (*x).clone())
.collect(),
inedible);
self.check_for_erroneous_unit_struct_expecting(
expected.as_slice());
}
_ => {}
}
@ -464,8 +472,12 @@ impl Parser {
debug!("commit_stmt {:?}", s);
let _s = s; // unused, but future checks might want to inspect `s`.
if self.last_token.as_ref().map_or(false, |t| is_ident_or_path(*t)) {
let expected = vec_ng::append(edible.to_owned(), inedible);
self.check_for_erroneous_unit_struct_expecting(expected);
let expected = vec_ng::append(edible.iter()
.map(|x| (*x).clone())
.collect(),
inedible.as_slice());
self.check_for_erroneous_unit_struct_expecting(
expected.as_slice());
}
self.expect_one_of(edible, inedible)
}
@ -1082,7 +1094,7 @@ impl Parser {
debug!("parse_trait_methods(): parsing provided method");
let (inner_attrs, body) =
p.parse_inner_attrs_and_block();
let attrs = vec_ng::append(attrs, inner_attrs);
let attrs = vec_ng::append(attrs, inner_attrs.as_slice());
Provided(@ast::Method {
ident: ident,
attrs: attrs,
@ -1189,7 +1201,7 @@ impl Parser {
if ts.len() == 1 && !one_tuple {
self.expect(&token::RPAREN);
return ts[0]
return *ts.get(0)
}
let t = TyTup(ts);
@ -1769,7 +1781,7 @@ impl Parser {
self.commit_expr_expecting(*es.last().unwrap(), token::RPAREN);
return if es.len() == 1 && !trailing_comma {
self.mk_expr(lo, hi, ExprParen(es[0]))
self.mk_expr(lo, hi, ExprParen(*es.get(0)))
}
else {
self.mk_expr(lo, hi, ExprTup(es))
@ -1859,7 +1871,9 @@ impl Parser {
seq_sep_trailing_allowed(token::COMMA),
|p| p.parse_expr()
);
ex = ExprVec(vec!(first_expr) + remaining_exprs, mutbl);
let mut exprs = vec!(first_expr);
exprs.push_all_move(remaining_exprs);
ex = ExprVec(exprs, mutbl);
} else {
// Vector with one element.
self.expect(&token::RBRACKET);
@ -3327,7 +3341,7 @@ impl Parser {
while self.token != token::RBRACE {
// parsing items even when they're not allowed lets us give
// better error messages and recover more gracefully.
attributes_box.push_all(self.parse_outer_attributes());
attributes_box.push_all(self.parse_outer_attributes().as_slice());
match self.token {
token::SEMI => {
if !attributes_box.is_empty() {
@ -3850,7 +3864,7 @@ impl Parser {
let (inner_attrs, body) = self.parse_inner_attrs_and_block();
let hi = body.span.hi;
let attrs = vec_ng::append(attrs, inner_attrs);
let attrs = vec_ng::append(attrs, inner_attrs.as_slice());
@ast::Method {
ident: ident,
attrs: attrs,
@ -4082,7 +4096,8 @@ impl Parser {
while self.token != term {
let mut attrs = self.parse_outer_attributes();
if first {
attrs = attrs_remaining + attrs;
attrs = vec_ng::append(attrs_remaining.clone(),
attrs.as_slice());
first = false;
}
debug!("parse_mod_items: parse_item_or_view_item(attrs={:?})",
@ -4164,7 +4179,7 @@ impl Parser {
-> (ast::Item_, Vec<ast::Attribute> ) {
let mut prefix = Path::new(self.sess.cm.span_to_filename(self.span));
prefix.pop();
let mod_path = Path::new(".").join_many(self.mod_path_stack);
let mod_path = Path::new(".").join_many(self.mod_path_stack.as_slice());
let dir_path = prefix.join(&mod_path);
let file_path = match ::attr::first_attr_value_str_by_name(
outer_attrs, "path") {
@ -4194,7 +4209,7 @@ impl Parser {
};
self.eval_src_mod_from_path(file_path,
outer_attrs.to_owned(),
outer_attrs.iter().map(|x| *x).collect(),
id_sp)
}
@ -4231,7 +4246,7 @@ impl Parser {
&path,
id_sp);
let (inner, next) = p0.parse_inner_attrs_and_next();
let mod_attrs = vec_ng::append(outer_attrs, inner);
let mod_attrs = vec_ng::append(outer_attrs, inner.as_slice());
let first_item_outer_attrs = next;
let m0 = p0.parse_mod_items(token::EOF, first_item_outer_attrs);
{
@ -4556,7 +4571,7 @@ impl Parser {
match self.token {
INTERPOLATED(token::NtItem(item)) => {
self.bump();
let new_attrs = vec_ng::append(attrs, item.attrs);
let new_attrs = vec_ng::append(attrs, item.attrs.as_slice());
return IoviItem(@Item {
attrs: new_attrs,
..(*item).clone()
@ -4662,7 +4677,8 @@ impl Parser {
}
if self.eat_keyword(keywords::Mod) {
// MODULE ITEM
let (ident, item_, extra_attrs) = self.parse_item_mod(attrs);
let (ident, item_, extra_attrs) =
self.parse_item_mod(attrs.as_slice());
let item = self.mk_item(lo,
self.last_span.hi,
ident,
@ -4946,7 +4962,7 @@ impl Parser {
}
_ => ()
}
let last = path[path.len() - 1u];
let last = *path.get(path.len() - 1u);
let path = ast::Path {
span: mk_sp(lo, self.span.hi),
global: false,
@ -4984,7 +5000,8 @@ impl Parser {
macros_allowed: bool)
-> ParsedItemsAndViewItems {
let mut attrs = vec_ng::append(first_item_attrs,
self.parse_outer_attributes());
self.parse_outer_attributes()
.as_slice());
// First, parse view items.
let mut view_items : Vec<ast::ViewItem> = Vec::new();
let mut items = Vec::new();
@ -5065,7 +5082,8 @@ impl Parser {
macros_allowed: bool)
-> ParsedItemsAndViewItems {
let mut attrs = vec_ng::append(first_item_attrs,
self.parse_outer_attributes());
self.parse_outer_attributes()
.as_slice());
let mut foreign_items = Vec::new();
loop {
match self.parse_foreign_item(attrs, macros_allowed) {

View file

@ -21,6 +21,7 @@ use std::char;
use std::fmt;
use std::local_data;
use std::path::BytesContainer;
use std::vec_ng::Vec;
#[allow(non_camel_case_types)]
#[deriving(Clone, Encodable, Decodable, Eq, Hash, Show)]
@ -412,13 +413,11 @@ macro_rules! declare_special_idents_and_keywords {(
// The indices here must correspond to the numbers in
// special_idents, in Keyword to_ident(), and in static
// constants below.
let init_vec = vec!(
$( $si_str, )*
$( $sk_str, )*
$( $rk_str, )*
);
interner::StrInterner::prefill(init_vec)
let mut init_vec = Vec::new();
$(init_vec.push($si_str);)*
$(init_vec.push($sk_str);)*
$(init_vec.push($rk_str);)*
interner::StrInterner::prefill(init_vec.as_slice())
}
}}