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-rw-r--r--src/comp/front/ast.rs15
-rw-r--r--src/comp/front/creader.rs18
-rw-r--r--src/comp/front/eval.rs10
-rw-r--r--src/comp/front/lexer.rs37
-rw-r--r--src/comp/front/parser.rs275
-rw-r--r--src/comp/front/token.rs6
6 files changed, 168 insertions, 193 deletions
diff --git a/src/comp/front/ast.rs b/src/comp/front/ast.rs
index 2ecd4992..7ec5e20a 100644
--- a/src/comp/front/ast.rs
+++ b/src/comp/front/ast.rs
@@ -83,7 +83,7 @@ tag crate_directive_ {
cdir_view_item(@view_item);
cdir_meta(vec[@meta_item]);
cdir_syntax(path);
- cdir_auth(path, effect);
+ cdir_auth(path, _auth);
}
type crate_directive = spanned[crate_directive_];
@@ -130,10 +130,8 @@ tag layer {
layer_gc;
}
-tag effect {
- eff_pure;
- eff_impure;
- eff_unsafe;
+tag _auth {
+ auth_unsafe;
}
tag proto {
@@ -314,7 +312,7 @@ tag lit_ {
type mt = rec(@ty ty, mutability mut);
type ty_field = rec(ident ident, mt mt);
type ty_arg = rec(mode mode, @ty ty);
-type ty_method = rec(effect effect, proto proto, ident ident,
+type ty_method = rec(proto proto, ident ident,
vec[ty_arg] inputs, @ty output);
type ty = spanned[ty_];
tag ty_ {
@@ -332,7 +330,7 @@ tag ty_ {
ty_chan(@ty);
ty_tup(vec[mt]);
ty_rec(vec[ty_field]);
- ty_fn(effect, proto, vec[ty_arg], @ty);
+ ty_fn(proto, vec[ty_arg], @ty);
ty_obj(vec[ty_method]);
ty_path(path, option.t[def]);
ty_type;
@@ -348,8 +346,7 @@ type constr_ = rec(path path, vec[@constr_arg] args);
type constr = spanned[constr_];
type arg = rec(mode mode, @ty ty, ident ident, def_id id);
-type fn_decl = rec(effect effect,
- vec[arg] inputs,
+type fn_decl = rec(vec[arg] inputs,
@ty output);
type _fn = rec(fn_decl decl,
proto proto,
diff --git a/src/comp/front/creader.rs b/src/comp/front/creader.rs
index ec9c6883..1c910b65 100644
--- a/src/comp/front/creader.rs
+++ b/src/comp/front/creader.rs
@@ -55,7 +55,7 @@ fn peek(@pstate st) -> u8 {
if (st.pos < st.len) {ret st.rep.(st.pos) as u8;}
else {ret ' ' as u8;}
}
-impure fn next(@pstate st) -> u8 { // ?? somehow not recognized as impure
+fn next(@pstate st) -> u8 { // ?? somehow not recognized as impure
if (st.pos >= st.len) {fail;}
auto ch = st.rep.(st.pos);
st.pos = st.pos + 1u;
@@ -74,12 +74,12 @@ fn parse_ty_str(str rep, str_def sd) -> @ty.t {
ret result;
}
-impure fn parse_ty(@pstate st, str_def sd) -> @ty.t {
+fn parse_ty(@pstate st, str_def sd) -> @ty.t {
ret @rec(struct=parse_sty(st, sd),
cname=option.none[str]);
}
-impure fn parse_mt(@pstate st, str_def sd) -> ty.mt {
+fn parse_mt(@pstate st, str_def sd) -> ty.mt {
auto mut;
alt (peek(st) as char) {
case ('m') {next(st); mut = ast.mut;}
@@ -89,7 +89,7 @@ impure fn parse_mt(@pstate st, str_def sd) -> ty.mt {
ret rec(ty=parse_ty(st, sd), mut=mut);
}
-impure fn parse_def(@pstate st, str_def sd) -> ast.def_id {
+fn parse_def(@pstate st, str_def sd) -> ast.def_id {
auto def = "";
while (peek(st) as char != '|') {
def += _str.unsafe_from_byte(next(st));
@@ -98,7 +98,7 @@ impure fn parse_def(@pstate st, str_def sd) -> ast.def_id {
ret sd(def);
}
-impure fn parse_sty(@pstate st, str_def sd) -> ty.sty {
+fn parse_sty(@pstate st, str_def sd) -> ty.sty {
alt (next(st) as char) {
case ('n') {ret ty.ty_nil;}
case ('b') {ret ty.ty_bool;}
@@ -205,7 +205,7 @@ impure fn parse_sty(@pstate st, str_def sd) -> ty.sty {
}
}
-impure fn parse_int(@pstate st) -> int {
+fn parse_int(@pstate st) -> int {
auto n = 0;
while (true) {
auto cur = peek(st) as char;
@@ -217,7 +217,7 @@ impure fn parse_int(@pstate st) -> int {
ret n;
}
-impure fn parse_ty_fn(@pstate st, str_def sd) -> tup(vec[ty.arg], @ty.t) {
+fn parse_ty_fn(@pstate st, str_def sd) -> tup(vec[ty.arg], @ty.t) {
check(next(st) as char == '[');
let vec[ty.arg] inputs = vec();
while (peek(st) as char != ']') {
@@ -565,7 +565,7 @@ fn get_tag_variants(session.session sess, ast.def_id def)
ret infos;
}
-impure fn list_file_metadata(str path, io.writer out) {
+fn list_file_metadata(str path, io.writer out) {
alt (get_metadata_section(path)) {
case (option.some[vec[u8]](?bytes)) {
list_crate_metadata(bytes, out);
@@ -584,7 +584,7 @@ fn read_path(&ebml.doc d) -> tup(str, uint) {
ret tup(path, pos);
}
-impure fn list_crate_metadata(vec[u8] bytes, io.writer out) {
+fn list_crate_metadata(vec[u8] bytes, io.writer out) {
auto md = ebml.new_doc(bytes);
auto paths = ebml.get_doc(md, metadata.tag_paths);
auto items = ebml.get_doc(md, metadata.tag_items);
diff --git a/src/comp/front/eval.rs b/src/comp/front/eval.rs
index 8306bcf0..06fa9cea 100644
--- a/src/comp/front/eval.rs
+++ b/src/comp/front/eval.rs
@@ -224,7 +224,7 @@ fn val_eq(session.session sess, span sp, val av, val bv) -> bool {
fail;
}
-impure fn eval_crate_directives(ctx cx,
+fn eval_crate_directives(ctx cx,
env e,
vec[@ast.crate_directive] cdirs,
str prefix,
@@ -240,7 +240,7 @@ impure fn eval_crate_directives(ctx cx,
}
-impure fn eval_crate_directives_to_mod(ctx cx, env e,
+fn eval_crate_directives_to_mod(ctx cx, env e,
vec[@ast.crate_directive] cdirs,
str prefix) -> ast._mod {
let vec[@ast.view_item] view_items = vec();
@@ -254,7 +254,7 @@ impure fn eval_crate_directives_to_mod(ctx cx, env e,
}
-impure fn eval_crate_directive_block(ctx cx,
+fn eval_crate_directive_block(ctx cx,
env e,
&ast.block blk,
str prefix,
@@ -277,7 +277,7 @@ impure fn eval_crate_directive_block(ctx cx,
}
}
-impure fn eval_crate_directive_expr(ctx cx,
+fn eval_crate_directive_expr(ctx cx,
env e,
@ast.expr x,
str prefix,
@@ -349,7 +349,7 @@ impure fn eval_crate_directive_expr(ctx cx,
}
}
-impure fn eval_crate_directive(ctx cx,
+fn eval_crate_directive(ctx cx,
env e,
@ast.crate_directive cdir,
str prefix,
diff --git a/src/comp/front/lexer.rs b/src/comp/front/lexer.rs
index e34ddd4f..3a9eb1ed 100644
--- a/src/comp/front/lexer.rs
+++ b/src/comp/front/lexer.rs
@@ -14,8 +14,8 @@ state type reader = state obj {
fn is_eof() -> bool;
fn curr() -> char;
fn next() -> char;
- impure fn init();
- impure fn bump();
+ fn init();
+ fn bump();
fn mark();
fn get_mark_chpos() -> uint;
fn get_chpos() -> uint;
@@ -24,7 +24,7 @@ state type reader = state obj {
fn get_filemap() -> codemap.filemap;
};
-impure fn new_reader(io.reader rdr, str filename, codemap.filemap filemap)
+fn new_reader(io.reader rdr, str filename, codemap.filemap filemap)
-> reader {
state obj reader(str file,
uint len,
@@ -53,7 +53,7 @@ impure fn new_reader(io.reader rdr, str filename, codemap.filemap filemap)
else {ret -1 as char;}
}
- impure fn init() {
+ fn init() {
if (pos < len) {
auto next = _str.char_range_at(file, pos);
pos = next._1;
@@ -61,7 +61,7 @@ impure fn new_reader(io.reader rdr, str filename, codemap.filemap filemap)
}
}
- impure fn bump() {
+ fn bump() {
if (pos < len) {
chpos += 1u;
if (ch == '\n') {
@@ -135,7 +135,6 @@ fn keyword_table() -> std.map.hashmap[str, token.token] {
keywords.insert("state", token.STATE);
keywords.insert("gc", token.GC);
- keywords.insert("impure", token.IMPURE);
keywords.insert("unsafe", token.UNSAFE);
keywords.insert("native", token.NATIVE);
@@ -274,14 +273,14 @@ fn is_whitespace(char c) -> bool {
ret c == ' ' || c == '\t' || c == '\r' || c == '\n';
}
-impure fn consume_any_whitespace(reader rdr) {
+fn consume_any_whitespace(reader rdr) {
while (is_whitespace(rdr.curr())) {
rdr.bump();
}
be consume_any_line_comment(rdr);
}
-impure fn consume_any_line_comment(reader rdr) {
+fn consume_any_line_comment(reader rdr) {
if (rdr.curr() == '/') {
alt (rdr.next()) {
case ('/') {
@@ -304,7 +303,7 @@ impure fn consume_any_line_comment(reader rdr) {
}
-impure fn consume_block_comment(reader rdr) {
+fn consume_block_comment(reader rdr) {
let int level = 1;
while (level > 0) {
if (rdr.curr() == '/' && rdr.next() == '*') {
@@ -342,7 +341,7 @@ fn digits_to_string(str s) -> int {
ret accum_int;
}
-impure fn scan_exponent(reader rdr) -> option.t[str] {
+fn scan_exponent(reader rdr) -> option.t[str] {
auto c = rdr.curr();
auto res = "";
@@ -368,7 +367,7 @@ impure fn scan_exponent(reader rdr) -> option.t[str] {
}
}
-impure fn scan_dec_digits(reader rdr) -> str {
+fn scan_dec_digits(reader rdr) -> str {
auto c = rdr.curr();
let str res = "";
@@ -384,7 +383,7 @@ impure fn scan_dec_digits(reader rdr) -> str {
ret res;
}
-impure fn scan_number(mutable char c, reader rdr) -> token.token {
+fn scan_number(mutable char c, reader rdr) -> token.token {
auto accum_int = 0;
let str dec_str = "";
let bool is_dec_integer = false;
@@ -527,7 +526,7 @@ impure fn scan_number(mutable char c, reader rdr) -> token.token {
}
}
-impure fn scan_numeric_escape(reader rdr) -> char {
+fn scan_numeric_escape(reader rdr) -> char {
auto n_hex_digits = 0;
@@ -563,7 +562,7 @@ impure fn scan_numeric_escape(reader rdr) -> char {
}
-impure fn next_token(reader rdr) -> token.token {
+fn next_token(reader rdr) -> token.token {
auto accum_str = "";
consume_any_whitespace(rdr);
@@ -602,7 +601,7 @@ impure fn next_token(reader rdr) -> token.token {
ret scan_number(c, rdr);
}
- impure fn binop(reader rdr, token.binop op) -> token.token {
+ fn binop(reader rdr, token.binop op) -> token.token {
rdr.bump();
if (rdr.curr() == '=') {
rdr.bump();
@@ -856,7 +855,7 @@ tag cmnt_ {
type cmnt = rec(cmnt_ val, uint pos, bool space_after);
-impure fn consume_whitespace(reader rdr) -> uint {
+fn consume_whitespace(reader rdr) -> uint {
auto lines = 0u;
while (is_whitespace(rdr.curr())) {
if (rdr.curr() == '\n') {lines += 1u;}
@@ -865,7 +864,7 @@ impure fn consume_whitespace(reader rdr) -> uint {
ret lines;
}
-impure fn read_line_comment(reader rdr) -> cmnt {
+fn read_line_comment(reader rdr) -> cmnt {
auto p = rdr.get_chpos();
rdr.bump(); rdr.bump();
while (rdr.curr() == ' ') {rdr.bump();}
@@ -879,7 +878,7 @@ impure fn read_line_comment(reader rdr) -> cmnt {
space_after=consume_whitespace(rdr) > 1u);
}
-impure fn read_block_comment(reader rdr) -> cmnt {
+fn read_block_comment(reader rdr) -> cmnt {
auto p = rdr.get_chpos();
rdr.bump(); rdr.bump();
while (rdr.curr() == ' ') {rdr.bump();}
@@ -912,7 +911,7 @@ impure fn read_block_comment(reader rdr) -> cmnt {
space_after=consume_whitespace(rdr) > 1u);
}
-impure fn gather_comments(str path) -> vec[cmnt] {
+fn gather_comments(str path) -> vec[cmnt] {
auto srdr = io.file_reader(path);
auto rdr = new_reader(srdr, path, codemap.new_filemap(path, 0u));
let vec[cmnt] comments = vec();
diff --git a/src/comp/front/parser.rs b/src/comp/front/parser.rs
index 2c21c957..3ed74abc 100644
--- a/src/comp/front/parser.rs
+++ b/src/comp/front/parser.rs
@@ -26,9 +26,9 @@ tag file_type {
state type parser =
state obj {
fn peek() -> token.token;
- impure fn bump();
- impure fn err(str s);
- impure fn restrict(restriction r);
+ fn bump();
+ fn err(str s);
+ fn restrict(restriction r);
fn get_restriction() -> restriction;
fn get_file_type() -> file_type;
fn get_env() -> eval.env;
@@ -43,7 +43,7 @@ state type parser =
fn get_chpos() -> uint;
};
-impure fn new_parser(session.session sess,
+fn new_parser(session.session sess,
eval.env env,
ast.def_id initial_def,
str path, uint pos) -> parser {
@@ -63,7 +63,7 @@ impure fn new_parser(session.session sess,
ret tok;
}
- impure fn bump() {
+ fn bump() {
// log rdr.get_filename()
// + ":" + common.istr(lo.line as int);
tok = lexer.next_token(rdr);
@@ -71,11 +71,11 @@ impure fn new_parser(session.session sess,
hi = rdr.get_chpos();
}
- impure fn err(str m) {
+ fn err(str m) {
sess.span_err(rec(lo=lo, hi=hi), m);
}
- impure fn restrict(restriction r) {
+ fn restrict(restriction r) {
res = r;
}
@@ -134,13 +134,13 @@ impure fn new_parser(session.session sess,
rdr, prec_table());
}
-impure fn unexpected(parser p, token.token t) {
+fn unexpected(parser p, token.token t) {
let str s = "unexpected token: ";
s += token.to_str(t);
p.err(s);
}
-impure fn expect(parser p, token.token t) {
+fn expect(parser p, token.token t) {
if (p.peek() == t) {
p.bump();
} else {
@@ -156,7 +156,7 @@ fn spanned[T](uint lo, uint hi, &T node) -> ast.spanned[T] {
ret rec(node=node, span=rec(lo=lo, hi=hi));
}
-impure fn parse_ident(parser p) -> ast.ident {
+fn parse_ident(parser p) -> ast.ident {
alt (p.peek()) {
case (token.IDENT(?i)) { p.bump(); ret i; }
case (_) {
@@ -172,7 +172,7 @@ impure fn parse_ident(parser p) -> ast.ident {
* lexical sytnax-extension or something similar. For now we just imitate
* rustboot.
*/
-impure fn parse_str_lit_or_env_ident(parser p) -> ast.ident {
+fn parse_str_lit_or_env_ident(parser p) -> ast.ident {
alt (p.peek()) {
case (token.LIT_STR(?s)) { p.bump(); ret s; }
case (token.IDENT(?i)) {
@@ -192,9 +192,9 @@ impure fn parse_str_lit_or_env_ident(parser p) -> ast.ident {
}
-impure fn parse_ty_fn(ast.effect eff, ast.proto proto, parser p, uint lo)
+fn parse_ty_fn(ast.proto proto, parser p, uint lo)
-> ast.ty_ {
- impure fn parse_fn_input_ty(parser p) -> rec(ast.mode mode, @ast.ty ty) {
+ fn parse_fn_input_ty(parser p) -> rec(ast.mode mode, @ast.ty ty) {
auto mode;
if (p.peek() == token.BINOP(token.AND)) {
p.bump();
@@ -236,10 +236,10 @@ impure fn parse_ty_fn(ast.effect eff, ast.proto proto, parser p, uint lo)
output = @spanned(lo, inputs.span.hi, ast.ty_nil);
}
- ret ast.ty_fn(eff, proto, inputs.node, output);
+ ret ast.ty_fn(proto, inputs.node, output);
}
-impure fn parse_proto(parser p) -> ast.proto {
+fn parse_proto(parser p) -> ast.proto {
alt (p.peek()) {
case (token.ITER) { p.bump(); ret ast.proto_iter; }
case (token.FN) { p.bump(); ret ast.proto_fn; }
@@ -248,19 +248,18 @@ impure fn parse_proto(parser p) -> ast.proto {
fail;
}
-impure fn parse_ty_obj(parser p, &mutable uint hi) -> ast.ty_ {
+fn parse_ty_obj(parser p, &mutable uint hi) -> ast.ty_ {
expect(p, token.OBJ);
- impure fn parse_method_sig(parser p) -> ast.ty_method {
+ fn parse_method_sig(parser p) -> ast.ty_method {
auto flo = p.get_lo_pos();
- let ast.effect eff = parse_effect(p);
let ast.proto proto = parse_proto(p);
auto ident = parse_ident(p);
- auto f = parse_ty_fn(eff, proto, p, flo);
+ auto f = parse_ty_fn(proto, p, flo);
expect(p, token.SEMI);
alt (f) {
- case (ast.ty_fn(?eff, ?proto, ?inputs, ?output)) {
- ret rec(effect=eff, proto=proto, ident=ident,
+ case (ast.ty_fn(?proto, ?inputs, ?output)) {
+ ret rec(proto=proto, ident=ident,
inputs=inputs, output=output);
}
}
@@ -276,19 +275,19 @@ impure fn parse_ty_obj(parser p, &mutable uint hi) -> ast.ty_ {
ret ast.ty_obj(meths.node);
}
-impure fn parse_mt(parser p) -> ast.mt {
+fn parse_mt(parser p) -> ast.mt {
auto mut = parse_mutability(p);
auto t = parse_ty(p);
ret rec(ty=t, mut=mut);
}
-impure fn parse_ty_field(parser p) -> ast.ty_field {
+fn parse_ty_field(parser p) -> ast.ty_field {
auto mt = parse_mt(p);
auto id = parse_ident(p);
ret rec(ident=id, mt=mt);
}
-impure fn parse_constr_arg(parser p) -> @ast.constr_arg {
+fn parse_constr_arg(parser p) -> @ast.constr_arg {
auto sp = p.get_span();
auto carg = ast.carg_base;
if (p.peek() == token.BINOP(token.STAR)) {
@@ -299,7 +298,7 @@ impure fn parse_constr_arg(parser p) -> @ast.constr_arg {
ret @rec(node=carg, span=sp);
}
-impure fn parse_ty_constr(parser p) -> @ast.constr {
+fn parse_ty_constr(parser p) -> @ast.constr {
auto lo = p.get_lo_pos();
auto path = parse_path(p, GREEDY);
auto pf = parse_constr_arg;
@@ -309,7 +308,7 @@ impure fn parse_ty_constr(parser p) -> @ast.constr {
ret @spanned(lo, args.span.hi, rec(path=path, args=args.node));
}
-impure fn parse_constrs(parser p) -> common.spanned[vec[@ast.constr]] {
+fn parse_constrs(parser p) -> common.spanned[vec[@ast.constr]] {
auto lo = p.get_lo_pos();
auto hi = p.get_hi_pos();
let vec[@ast.constr] constrs = vec();
@@ -334,7 +333,7 @@ impure fn parse_constrs(parser p) -> common.spanned[vec[@ast.constr]] {
ret spanned(lo, hi, constrs);
}
-impure fn parse_ty_constrs(@ast.ty t, parser p) -> @ast.ty {
+fn parse_ty_constrs(@ast.ty t, parser p) -> @ast.ty {
if (p.peek() == token.COLON) {
auto constrs = parse_constrs(p);
ret @spanned(t.span.lo, constrs.span.hi,
@@ -343,13 +342,11 @@ impure fn parse_ty_constrs(@ast.ty t, parser p) -> @ast.ty {
ret t;
}
-impure fn parse_ty(parser p) -> @ast.ty {
+fn parse_ty(parser p) -> @ast.ty {
auto lo = p.get_lo_pos();
auto hi = lo;
let ast.ty_ t;
- // FIXME: make sure these are only used when valid
- let ast.effect eff = parse_effect(p);
// FIXME: do something with this
let ast.layer lyr = parse_layer(p);
@@ -418,9 +415,9 @@ impure fn parse_ty(parser p) -> @ast.ty {
case (token.FN) {
auto flo = p.get_lo_pos();
p.bump();
- t = parse_ty_fn(eff, ast.proto_fn, p, flo);
+ t = parse_ty_fn(ast.proto_fn, p, flo);
alt (t) {
- case (ast.ty_fn(_, _, _, ?out)) {
+ case (ast.ty_fn(_, _, ?out)) {
hi = out.span.hi;
}
}
@@ -429,9 +426,9 @@ impure fn parse_ty(parser p) -> @ast.ty {
case (token.ITER) {
auto flo = p.get_lo_pos();
p.bump();
- t = parse_ty_fn(eff, ast.proto_iter, p, flo);
+ t = parse_ty_fn(ast.proto_iter, p, flo);
alt (t) {
- case (ast.ty_fn(_, _, _, ?out)) {
+ case (ast.ty_fn(_, _, ?out)) {
hi = out.span.hi;
}
}
@@ -482,7 +479,7 @@ impure fn parse_ty(parser p) -> @ast.ty {
ret parse_ty_constrs(@spanned(lo, hi, t), p);
}
-impure fn parse_arg(parser p) -> ast.arg {
+fn parse_arg(parser p) -> ast.arg {
let ast.mode m = ast.val;
if (p.peek() == token.BINOP(token.AND)) {
m = ast.alias;
@@ -498,9 +495,9 @@ impure fn parse_arg(parser p) -> ast.arg {
ret rec(mode=m, ty=t, ident=i, id=p.next_def_id());
}
-impure fn parse_seq_to_end[T](token.token ket,
+fn parse_seq_to_end[T](token.token ket,
option.t[token.token] sep,
- (impure fn(parser) -> T) f,
+ (fn(parser) -> T) f,
mutable uint hi,
parser p) -> vec[T] {
let bool first = true;
@@ -526,10 +523,10 @@ impure fn parse_seq_to_end[T](token.token ket,
ret v;
}
-impure fn parse_seq[T](token.token bra,
+fn parse_seq[T](token.token bra,
token.token ket,
option.t[token.token] sep,
- (impure fn(parser) -> T) f,
+ (fn(parser) -> T) f,
parser p) -> util.common.spanned[vec[T]] {
auto lo = p.get_lo_pos();
auto hi = p.get_hi_pos();
@@ -538,7 +535,7 @@ impure fn parse_seq[T](token.token bra,
ret spanned(lo, hi, result);
}
-impure fn parse_lit(parser p) -> ast.lit {
+fn parse_lit(parser p) -> ast.lit {
auto sp = p.get_span();
let ast.lit_ lit = ast.lit_nil;
alt (p.peek()) {
@@ -594,7 +591,7 @@ tag greed {
MINIMAL;
}
-impure fn parse_ty_args(parser p, uint hi) ->
+fn parse_ty_args(parser p, uint hi) ->
util.common.spanned[vec[@ast.ty]] {
if (p.peek() == token.LBRACKET) {
@@ -609,7 +606,7 @@ impure fn parse_ty_args(parser p, uint hi) ->
ret spanned(hi, hi, v);
}
-impure fn parse_path(parser p, greed g) -> ast.path {
+fn parse_path(parser p, greed g) -> ast.path {
auto lo = p.get_lo_pos();
auto hi = lo;
@@ -643,7 +640,7 @@ impure fn parse_path(parser p, greed g) -> ast.path {
ret spanned(lo, tys.span.hi, rec(idents=ids, types=tys.node));
}
-impure fn parse_mutability(parser p) -> ast.mutability {
+fn parse_mutability(parser p) -> ast.mutability {
if (p.peek() == token.MUTABLE) {
p.bump();
if (p.peek() == token.QUES) {
@@ -655,7 +652,7 @@ impure fn parse_mutability(parser p) -> ast.mutability {
ret ast.imm;
}
-impure fn parse_field(parser p) -> ast.field {
+fn parse_field(parser p) -> ast.field {
auto m = parse_mutability(p);
auto i = parse_ident(p);
expect(p, token.EQ);
@@ -663,7 +660,7 @@ impure fn parse_field(parser p) -> ast.field {
ret rec(mut=m, ident=i, expr=e);
}
-impure fn parse_bottom_expr(parser p) -> @ast.expr {
+fn parse_bottom_expr(parser p) -> @ast.expr {
auto lo = p.get_lo_pos();
auto hi = p.get_hi_pos();
@@ -701,7 +698,7 @@ impure fn parse_bottom_expr(parser p) -> @ast.expr {
case (token.TUP) {
p.bump();
- impure fn parse_elt(parser p) -> ast.elt {
+ fn parse_elt(parser p) -> ast.elt {
auto m = parse_mutability(p);
auto e = parse_expr(p);
ret rec(mut=m, expr=e);
@@ -767,7 +764,7 @@ impure fn parse_bottom_expr(parser p) -> @ast.expr {
case (token.BIND) {
p.bump();
auto e = parse_expr_res(p, RESTRICT_NO_CALL_EXPRS);
- impure fn parse_expr_opt(parser p) -> option.t[@ast.expr] {
+ fn parse_expr_opt(parser p) -> option.t[@ast.expr] {
alt (p.peek()) {
case (token.UNDERSCORE) {
p.bump();
@@ -937,7 +934,7 @@ impure fn parse_bottom_expr(parser p) -> @ast.expr {
* rust crates. At the moment we have neither.
*/
-impure fn expand_syntax_ext(parser p, ast.span sp,
+fn expand_syntax_ext(parser p, ast.span sp,
&ast.path path, vec[@ast.expr] args,
option.t[@ast.expr] body) -> ast.expr_ {
@@ -956,7 +953,7 @@ impure fn expand_syntax_ext(parser p, ast.span sp,
}
}
-impure fn extend_expr_by_ident(parser p, uint lo, uint hi,
+fn extend_expr_by_ident(parser p, uint lo, uint hi,
@ast.expr e, ast.ident i) -> @ast.expr {
auto e_ = e.node;
alt (e.node) {
@@ -981,14 +978,14 @@ impure fn extend_expr_by_ident(parser p, uint lo, uint hi,
ret @spanned(lo, hi, e_);
}
-impure fn parse_self_method(parser p) -> @ast.expr {
+fn parse_self_method(parser p) -> @ast.expr {
auto sp = p.get_span();
let ast.ident f_name = parse_ident(p);
auto hi = p.get_span();
ret @rec(node=ast.expr_self_method(f_name, ast.ann_none), span=sp);
}
-impure fn parse_dot_or_call_expr(parser p) -> @ast.expr {
+fn parse_dot_or_call_expr(parser p) -> @ast.expr {
auto lo = p.get_lo_pos();
auto e = parse_bottom_expr(p);
auto hi = e.span.hi;
@@ -1043,7 +1040,7 @@ impure fn parse_dot_or_call_expr(parser p) -> @ast.expr {
ret e;
}
-impure fn parse_prefix_expr(parser p) -> @ast.expr {
+fn parse_prefix_expr(parser p) -> @ast.expr {
if (p.peek() == token.MUTABLE) {
p.bump();
@@ -1140,11 +1137,11 @@ fn prec_table() -> vec[op_spec] {
rec(tok=token.OROR, op=ast.or, prec=1));
}
-impure fn parse_binops(parser p) -> @ast.expr {
+fn parse_binops(parser p) -> @ast.expr {
ret parse_more_binops(p, parse_prefix_expr(p), 0);
}
-impure fn parse_more_binops(parser p, @ast.expr lhs, int min_prec)
+fn parse_more_binops(parser p, @ast.expr lhs, int min_prec)
-> @ast.expr {
// Magic nonsense to work around rustboot bug
fn op_eq(token.token a, token.token b) -> bool {
@@ -1176,7 +1173,7 @@ impure fn parse_more_binops(parser p, @ast.expr lhs, int min_prec)
ret lhs;
}
-impure fn parse_assign_expr(parser p) -> @ast.expr {
+fn parse_assign_expr(parser p) -> @ast.expr {
auto lo = p.get_lo_pos();
auto lhs = parse_binops(p);
alt (p.peek()) {
@@ -1223,7 +1220,7 @@ impure fn parse_assign_expr(parser p) -> @ast.expr {
ret lhs;
}
-impure fn parse_if_expr(parser p) -> @ast.expr {
+fn parse_if_expr(parser p) -> @ast.expr {
auto lo = p.get_lo_pos();
expect(p, token.IF);
@@ -1245,7 +1242,7 @@ impure fn parse_if_expr(parser p) -> @ast.expr {
ret @spanned(lo, hi, ast.expr_if(cond, thn, els, ast.ann_none));
}
-impure fn parse_else_expr(parser p) -> @ast.expr {
+fn parse_else_expr(parser p) -> @ast.expr {
expect(p, token.ELSE);
alt (p.peek()) {
case (token.IF) {
@@ -1259,7 +1256,7 @@ impure fn parse_else_expr(parser p) -> @ast.expr {
}
}
-impure fn parse_head_local(parser p) -> @ast.decl {
+fn parse_head_local(parser p) -> @ast.decl {
auto lo = p.get_lo_pos();
let @ast.local local;
if (p.peek() == token.AUTO) {
@@ -1272,7 +1269,7 @@ impure fn parse_head_local(parser p) -> @ast.decl {
-impure fn parse_for_expr(parser p) -> @ast.expr {
+fn parse_for_expr(parser p) -> @ast.expr {
auto lo = p.get_lo_pos();
auto is_each = false;
@@ -1301,7 +1298,7 @@ impure fn parse_for_expr(parser p) -> @ast.expr {
}
-impure fn parse_while_expr(parser p) -> @ast.expr {
+fn parse_while_expr(parser p) -> @ast.expr {
auto lo = p.get_lo_pos();
expect(p, token.WHILE);
@@ -1313,7 +1310,7 @@ impure fn parse_while_expr(parser p) -> @ast.expr {
ret @spanned(lo, hi, ast.expr_while(cond, body, ast.ann_none));
}
-impure fn parse_do_while_expr(parser p) -> @ast.expr {
+fn parse_do_while_expr(parser p) -> @ast.expr {
auto lo = p.get_lo_pos();
expect(p, token.DO);
@@ -1326,7 +1323,7 @@ impure fn parse_do_while_expr(parser p) -> @ast.expr {
ret @spanned(lo, hi, ast.expr_do_while(body, cond, ast.ann_none));
}
-impure fn parse_alt_expr(parser p) -> @ast.expr {
+fn parse_alt_expr(parser p) -> @ast.expr {
auto lo = p.get_lo_pos();
expect(p, token.ALT);
expect(p, token.LPAREN);
@@ -1377,7 +1374,7 @@ impure fn parse_alt_expr(parser p) -> @ast.expr {
ret @spanned(lo, hi, expr);
}
-impure fn parse_spawn_expr(parser p) -> @ast.expr {
+fn parse_spawn_expr(parser p) -> @ast.expr {
auto lo = p.get_lo_pos();
expect(p, token.SPAWN);
@@ -1398,11 +1395,11 @@ impure fn parse_spawn_expr(parser p) -> @ast.expr {
ret @spanned(lo, hi, spawn_expr);
}
-impure fn parse_expr(parser p) -> @ast.expr {
+fn parse_expr(parser p) -> @ast.expr {
ret parse_expr_res(p, UNRESTRICTED);
}
-impure fn parse_expr_res(parser p, restriction r) -> @ast.expr {
+fn parse_expr_res(parser p, restriction r) -> @ast.expr {
auto old = p.get_restriction();
p.restrict(r);
auto e = parse_expr_inner(p);
@@ -1410,7 +1407,7 @@ impure fn parse_expr_res(parser p, restriction r) -> @ast.expr {
ret e;
}
-impure fn parse_expr_inner(parser p) -> @ast.expr {
+fn parse_expr_inner(parser p) -> @ast.expr {
alt (p.peek()) {
case (token.LBRACE) {
auto blk = parse_block(p);
@@ -1442,7 +1439,7 @@ impure fn parse_expr_inner(parser p) -> @ast.expr {
}
}
-impure fn parse_initializer(parser p) -> option.t[ast.initializer] {
+fn parse_initializer(parser p) -> option.t[ast.initializer] {
alt (p.peek()) {
case (token.EQ) {
p.bump();
@@ -1460,7 +1457,7 @@ impure fn parse_initializer(parser p) -> option.t[ast.initializer] {
}
}
-impure fn parse_pat(parser p) -> @ast.pat {
+fn parse_pat(parser p) -> @ast.pat {
auto lo = p.get_lo_pos();
auto hi = p.get_hi_pos();
auto pat;
@@ -1514,7 +1511,7 @@ impure fn parse_pat(parser p) -> @ast.pat {
ret @spanned(lo, hi, pat);
}
-impure fn parse_local_full(&option.t[@ast.ty] tyopt,
+fn parse_local_full(&option.t[@ast.ty] tyopt,
parser p) -> @ast.local {
auto ident = parse_ident(p);
auto init = parse_initializer(p);
@@ -1526,30 +1523,30 @@ impure fn parse_local_full(&option.t[@ast.ty] tyopt,
ann = ast.ann_none);
}
-impure fn parse_typed_local(parser p) -> @ast.local {
+fn parse_typed_local(parser p) -> @ast.local {
auto ty = parse_ty(p);
ret parse_local_full(some(ty), p);
}
-impure fn parse_auto_local(parser p) -> @ast.local {
+fn parse_auto_local(parser p) -> @ast.local {
ret parse_local_full(none[@ast.ty], p);
}
-impure fn parse_let(parser p) -> @ast.decl {
+fn parse_let(parser p) -> @ast.decl {
auto lo = p.get_lo_pos();
expect(p, token.LET);
auto local = parse_typed_local(p);
ret @spanned(lo, p.get_hi_pos(), ast.decl_local(local));
}
-impure fn parse_auto(parser p) -> @ast.decl {
+fn parse_auto(parser p) -> @ast.decl {
auto lo = p.get_lo_pos();
expect(p, token.AUTO);
auto local = parse_auto_local(p);
ret @spanned(lo, p.get_hi_pos(), ast.decl_local(local));
}
-impure fn parse_stmt(parser p) -> @ast.stmt {
+fn parse_stmt(parser p) -> @ast.stmt {
if (p.get_file_type() == SOURCE_FILE) {
ret parse_source_stmt(p);
} else {
@@ -1557,13 +1554,13 @@ impure fn parse_stmt(parser p) -> @ast.stmt {
}
}
-impure fn parse_crate_stmt(parser p) -> @ast.stmt {
+fn parse_crate_stmt(parser p) -> @ast.stmt {
auto cdir = parse_crate_directive(p);
ret @spanned(cdir.span.lo, cdir.span.hi,
ast.stmt_crate_directive(@cdir));
}
-impure fn parse_source_stmt(parser p) -> @ast.stmt {
+fn parse_source_stmt(parser p) -> @ast.stmt {
auto lo = p.get_lo_pos();
alt (p.peek()) {
@@ -1685,7 +1682,7 @@ fn stmt_ends_with_semi(@ast.stmt stmt) -> bool {
}
}
-impure fn parse_block(parser p) -> ast.block {
+fn parse_block(parser p) -> ast.block {
auto lo = p.get_lo_pos();
let vec[@ast.stmt] stmts = vec();
@@ -1746,11 +1743,11 @@ impure fn parse_block(parser p) -> ast.block {
ret spanned[ast.block_](lo, hi, bloc);
}
-impure fn parse_ty_param(parser p) -> ast.ty_param {
+fn parse_ty_param(parser p) -> ast.ty_param {
ret parse_ident(p);
}
-impure fn parse_ty_params(parser p) -> vec[ast.ty_param] {
+fn parse_ty_params(parser p) -> vec[ast.ty_param] {
let vec[ast.ty_param] ty_params = vec();
if (p.peek() == token.LBRACKET) {
auto f = parse_ty_param; // FIXME: pass as lval directly
@@ -1760,7 +1757,7 @@ impure fn parse_ty_params(parser p) -> vec[ast.ty_param] {
ret ty_params;
}
-impure fn parse_fn_decl(parser p, ast.effect eff) -> ast.fn_decl {
+fn parse_fn_decl(parser p) -> ast.fn_decl {
auto pf = parse_arg;
let util.common.spanned[vec[ast.arg]] inputs =
// FIXME: passing parse_arg as an lval doesn't work at the
@@ -1783,61 +1780,59 @@ impure fn parse_fn_decl(parser p, ast.effect eff) -> ast.fn_decl {
} else {
output = @spanned(inputs.span.lo, inputs.span.hi, ast.ty_nil);
}
- ret rec(effect=eff, inputs=inputs.node, output=output);
+ ret rec(inputs=inputs.node, output=output);
}
-impure fn parse_fn(parser p, ast.effect eff, ast.proto proto) -> ast._fn {
- auto decl = parse_fn_decl(p, eff);
+fn parse_fn(parser p, ast.proto proto) -> ast._fn {
+ auto decl = parse_fn_decl(p);
auto body = parse_block(p);
ret rec(decl = decl,
proto = proto,
body = body);
}
-impure fn parse_fn_header(parser p)
+fn parse_fn_header(parser p)
-> tup(ast.ident, vec[ast.ty_param]) {
auto id = parse_ident(p);
auto ty_params = parse_ty_params(p);
ret tup(id, ty_params);
}
-impure fn parse_item_fn_or_iter(parser p, ast.effect eff) -> @ast.item {
+fn parse_item_fn_or_iter(parser p) -> @ast.item {
auto lo = p.get_lo_pos();
auto proto = parse_proto(p);
auto t = parse_fn_header(p);
- auto f = parse_fn(p, eff, proto);
+ auto f = parse_fn(p, proto);
auto item = ast.item_fn(t._0, f, t._1,
p.next_def_id(), ast.ann_none);
ret @spanned(lo, f.body.span.hi, item);
}
-impure fn parse_obj_field(parser p) -> ast.obj_field {
+fn parse_obj_field(parser p) -> ast.obj_field {
auto mut = parse_mutability(p); // TODO: store this, use it in typeck
auto ty = parse_ty(p);
auto ident = parse_ident(p);
ret rec(ty=ty, ident=ident, id=p.next_def_id(), ann=ast.ann_none);
}
-impure fn parse_method(parser p) -> @ast.method {
+fn parse_method(parser p) -> @ast.method {
auto lo = p.get_lo_pos();
- auto eff = parse_effect(p);
auto proto = parse_proto(p);
auto ident = parse_ident(p);
- auto f = parse_fn(p, eff, proto);
+ auto f = parse_fn(p, proto);
auto meth = rec(ident=ident, meth=f,
id=p.next_def_id(), ann=ast.ann_none);
ret @spanned(lo, f.body.span.hi, meth);
}
-impure fn parse_dtor(parser p) -> @ast.method {
+fn parse_dtor(parser p) -> @ast.method {
auto lo = p.get_lo_pos();
expect(p, token.DROP);
let ast.block b = parse_block(p);
let vec[ast.arg] inputs = vec();
let @ast.ty output = @spanned(lo, lo, ast.ty_nil);
- let ast.fn_decl d = rec(effect=ast.eff_pure,
- inputs=inputs,
+ let ast.fn_decl d = rec(inputs=inputs,
output=output);
let ast._fn f = rec(decl = d,
proto = ast.proto_fn,
@@ -1849,7 +1844,7 @@ impure fn parse_dtor(parser p) -> @ast.method {
ret @spanned(lo, f.body.span.hi, m);
}
-impure fn parse_item_obj(parser p, ast.layer lyr) -> @ast.item {
+fn parse_item_obj(parser p, ast.layer lyr) -> @ast.item {
auto lo = p.get_lo_pos();
expect(p, token.OBJ);
auto ident = parse_ident(p);
@@ -1890,7 +1885,7 @@ impure fn parse_item_obj(parser p, ast.layer lyr) -> @ast.item {
ret @spanned(lo, hi, item);
}
-impure fn parse_mod_items(parser p, token.token term) -> ast._mod {
+fn parse_mod_items(parser p, token.token term) -> ast._mod {
auto index = new_str_hash[ast.mod_index_entry]();
auto view_items = parse_view(p, index);
let vec[@ast.item] items = vec();
@@ -1904,7 +1899,7 @@ impure fn parse_mod_items(parser p, token.token term) -> ast._mod {
ret rec(view_items=view_items, items=items, index=index);
}
-impure fn parse_item_const(parser p) -> @ast.item {
+fn parse_item_const(parser p) -> @ast.item {
auto lo = p.get_lo_pos();
expect(p, token.CONST);
auto ty = parse_ty(p);
@@ -1917,7 +1912,7 @@ impure fn parse_item_const(parser p) -> @ast.item {
ret @spanned(lo, hi, item);
}
-impure fn parse_item_mod(parser p) -> @ast.item {
+fn parse_item_mod(parser p) -> @ast.item {
auto lo = p.get_lo_pos();
expect(p, token.MOD);
auto id = parse_ident(p);
@@ -1929,7 +1924,7 @@ impure fn parse_item_mod(parser p) -> @ast.item {
ret @spanned(lo, hi, item);
}
-impure fn parse_item_native_type(parser p) -> @ast.native_item {
+fn parse_item_native_type(parser p) -> @ast.native_item {
auto t = parse_type_decl(p);
auto hi = p.get_hi_pos();
expect(p, token.SEMI);
@@ -1937,11 +1932,11 @@ impure fn parse_item_native_type(parser p) -> @ast.native_item {
ret @spanned(t._0, hi, item);
}
-impure fn parse_item_native_fn(parser p, ast.effect eff) -> @ast.native_item {
+fn parse_item_native_fn(parser p) -> @ast.native_item {
auto lo = p.get_lo_pos();
expect(p, token.FN);
auto t = parse_fn_header(p);
- auto decl = parse_fn_decl(p, eff);
+ auto decl = parse_fn_decl(p);
auto link_name = none[str];
if (p.peek() == token.EQ) {
p.bump();
@@ -1955,8 +1950,7 @@ impure fn parse_item_native_fn(parser p, ast.effect eff) -> @ast.native_item {
ret @spanned(lo, hi, item);
}
-impure fn parse_native_item(parser p) -> @ast.native_item {
- let ast.effect eff = parse_effect(p);
+fn parse_native_item(parser p) -> @ast.native_item {
let ast.opacity opa = parse_opacity(p);
let ast.layer lyr = parse_layer(p);
alt (p.peek()) {
@@ -1964,7 +1958,7 @@ impure fn parse_native_item(parser p) -> @ast.native_item {
ret parse_item_native_type(p);
}
case (token.FN) {
- ret parse_item_native_fn(p, eff);
+ ret parse_item_native_fn(p);
}
case (?t) {
unexpected(p, t);
@@ -1973,7 +1967,7 @@ impure fn parse_native_item(parser p) -> @ast.native_item {
}
}
-impure fn parse_native_mod_items(parser p,
+fn parse_native_mod_items(parser p,
str native_name,
ast.native_abi abi) -> ast.native_mod {
auto index = new_str_hash[ast.native_mod_index_entry]();
@@ -2008,7 +2002,7 @@ fn default_native_name(session.session sess, str id) -> str {
}
}
-impure fn parse_item_native_mod(parser p) -> @ast.item {
+fn parse_item_native_mod(parser p) -> @ast.item {
auto lo = p.get_lo_pos();
expect(p, token.NATIVE);
auto abi = ast.native_abi_cdecl;
@@ -2041,14 +2035,14 @@ impure fn parse_item_native_mod(parser p) -> @ast.item {
ret @spanned(lo, hi, item);
}
-impure fn parse_type_decl(parser p) -> tup(uint, ast.ident) {
+fn parse_type_decl(parser p) -> tup(uint, ast.ident) {
auto lo = p.get_lo_pos();
expect(p, token.TYPE);
auto id = parse_ident(p);
ret tup(lo, id);
}
-impure fn parse_item_type(parser p) -> @ast.item {
+fn parse_item_type(parser p) -> @ast.item {
auto t = parse_type_decl(p);
auto tps = parse_ty_params(p);
@@ -2060,7 +2054,7 @@ impure fn parse_item_type(parser p) -> @ast.item {
ret @spanned(t._0, hi, item);
}
-impure fn parse_item_tag(parser p) -> @ast.item {
+fn parse_item_tag(parser p) -> @ast.item {
auto lo = p.get_lo_pos();
expect(p, token.TAG);
auto id = parse_ident(p);
@@ -2112,7 +2106,7 @@ impure fn parse_item_tag(parser p) -> @ast.item {
ret @spanned(lo, hi, item);
}
-impure fn parse_opacity(parser p) -> ast.opacity {
+fn parse_opacity(parser p) -> ast.opacity {
alt (p.peek()) {
case (token.ABS) {
p.bump();
@@ -2125,7 +2119,7 @@ impure fn parse_opacity(parser p) -> ast.opacity {
fail;
}
-impure fn parse_layer(parser p) -> ast.layer {
+fn parse_layer(parser p) -> ast.layer {
alt (p.peek()) {
case (token.STATE) {
p.bump();
@@ -2143,18 +2137,14 @@ impure fn parse_layer(parser p) -> ast.layer {
}
-impure fn parse_effect(parser p) -> ast.effect {
+fn parse_auth(parser p) -> ast._auth {
alt (p.peek()) {
- case (token.IMPURE) {
- p.bump();
- ret ast.eff_impure;
- }
case (token.UNSAFE) {
p.bump();
- ret ast.eff_unsafe;
+ ret ast.auth_unsafe;
}
- case (_) {
- ret ast.eff_pure;
+ case (?t) {
+ unexpected(p, t);
}
}
fail;
@@ -2164,8 +2154,6 @@ fn peeking_at_item(parser p) -> bool {
alt (p.peek()) {
case (token.STATE) { ret true; }
case (token.GC) { ret true; }
- case (token.IMPURE) { ret true; }
- case (token.UNSAFE) { ret true; }
case (token.CONST) { ret true; }
case (token.FN) { ret true; }
case (token.ITER) { ret true; }
@@ -2178,46 +2166,39 @@ fn peeking_at_item(parser p) -> bool {
ret false;
}
-impure fn parse_item(parser p) -> @ast.item {
- let ast.effect eff = parse_effect(p);
+fn parse_item(parser p) -> @ast.item {
let ast.opacity opa = parse_opacity(p);
let ast.layer lyr = parse_layer(p);
alt (p.peek()) {
case (token.CONST) {
- check (eff == ast.eff_pure);
check (lyr == ast.layer_value);
ret parse_item_const(p);
}
case (token.FN) {
check (lyr == ast.layer_value);
- ret parse_item_fn_or_iter(p, eff);
+ ret parse_item_fn_or_iter(p);
}
case (token.ITER) {
check (lyr == ast.layer_value);
- ret parse_item_fn_or_iter(p, eff);
+ ret parse_item_fn_or_iter(p);
}
case (token.MOD) {
- check (eff == ast.eff_pure);
check (lyr == ast.layer_value);
ret parse_item_mod(p);
}
case (token.NATIVE) {
- check (eff == ast.eff_pure);
check (lyr == ast.layer_value);
ret parse_item_native_mod(p);
}
case (token.TYPE) {
- check (eff == ast.eff_pure);
ret parse_item_type(p);
}
case (token.TAG) {
- check (eff == ast.eff_pure);
ret parse_item_tag(p);
}
case (token.OBJ) {
- check (eff == ast.eff_pure);
ret parse_item_obj(p, lyr);
}
case (?t) {
@@ -2227,7 +2208,7 @@ impure fn parse_item(parser p) -> @ast.item {
fail;
}
-impure fn parse_meta_item(parser p) -> @ast.meta_item {
+fn parse_meta_item(parser p) -> @ast.meta_item {
auto lo = p.get_lo_pos();
auto ident = parse_ident(p);
expect(p, token.EQ);
@@ -2244,13 +2225,13 @@ impure fn parse_meta_item(parser p) -> @ast.meta_item {
fail;
}
-impure fn parse_meta(parser p) -> vec[@ast.meta_item] {
+fn parse_meta(parser p) -> vec[@ast.meta_item] {
auto pf = parse_meta_item;
ret parse_seq[@ast.meta_item](token.LPAREN, token.RPAREN,
some(token.COMMA), pf, p).node;
}
-impure fn parse_optional_meta(parser p) -> vec[@ast.meta_item] {
+fn parse_optional_meta(parser p) -> vec[@ast.meta_item] {
alt (p.peek()) {
case (token.LPAREN) {
ret parse_meta(p);
@@ -2262,7 +2243,7 @@ impure fn parse_optional_meta(parser p) -> vec[@ast.meta_item] {
}
}
-impure fn parse_use(parser p) -> @ast.view_item {
+fn parse_use(parser p) -> @ast.view_item {
auto lo = p.get_lo_pos();
expect(p, token.USE);
auto ident = parse_ident(p);
@@ -2274,7 +2255,7 @@ impure fn parse_use(parser p) -> @ast.view_item {
ret @spanned(lo, hi, use_decl);
}
-impure fn parse_rest_import_name(parser p, ast.ident first,
+fn parse_rest_import_name(parser p, ast.ident first,
option.t[ast.ident] def_ident)
-> @ast.view_item {
auto lo = p.get_lo_pos();
@@ -2302,7 +2283,7 @@ impure fn parse_rest_import_name(parser p, ast.ident first,
ret @spanned(lo, hi, import_decl);
}
-impure fn parse_full_import_name(parser p, ast.ident def_ident)
+fn parse_full_import_name(parser p, ast.ident def_ident)
-> @ast.view_item {
alt (p.peek()) {
case (token.IDENT(?ident)) {
@@ -2316,7 +2297,7 @@ impure fn parse_full_import_name(parser p, ast.ident def_ident)
fail;
}
-impure fn parse_import(parser p) -> @ast.view_item {
+fn parse_import(parser p) -> @ast.view_item {
expect(p, token.IMPORT);
alt (p.peek()) {
case (token.IDENT(?ident)) {
@@ -2338,7 +2319,7 @@ impure fn parse_import(parser p) -> @ast.view_item {
fail;
}
-impure fn parse_export(parser p) -> @ast.view_item {
+fn parse_export(parser p) -> @ast.view_item {
auto lo = p.get_lo_pos();
expect(p, token.EXPORT);
auto id = parse_ident(p);
@@ -2347,7 +2328,7 @@ impure fn parse_export(parser p) -> @ast.view_item {
ret @spanned(lo, hi, ast.view_item_export(id));
}
-impure fn parse_view_item(parser p) -> @ast.view_item {
+fn parse_view_item(parser p) -> @ast.view_item {
alt (p.peek()) {
case (token.USE) {
ret parse_use(p);
@@ -2371,7 +2352,7 @@ fn is_view_item(token.token t) -> bool {
ret false;
}
-impure fn parse_view(parser p, ast.mod_index index) -> vec[@ast.view_item] {
+fn parse_view(parser p, ast.mod_index index) -> vec[@ast.view_item] {
let vec[@ast.view_item] items = vec();
while (is_view_item(p.peek())) {
auto item = parse_view_item(p);
@@ -2382,7 +2363,7 @@ impure fn parse_view(parser p, ast.mod_index index) -> vec[@ast.view_item] {
ret items;
}
-impure fn parse_native_view(parser p, ast.native_mod_index index)
+fn parse_native_view(parser p, ast.native_mod_index index)
-> vec[@ast.view_item] {
let vec[@ast.view_item] items = vec();
while (is_view_item(p.peek())) {
@@ -2395,7 +2376,7 @@ impure fn parse_native_view(parser p, ast.native_mod_index index)
}
-impure fn parse_crate_from_source_file(parser p) -> @ast.crate {
+fn parse_crate_from_source_file(parser p) -> @ast.crate {
auto lo = p.get_lo_pos();
auto m = parse_mod_items(p, token.EOF);
let vec[@ast.crate_directive] cdirs = vec();
@@ -2409,7 +2390,7 @@ impure fn parse_crate_from_source_file(parser p) -> @ast.crate {
//
// Each directive imperatively extends its environment with 0 or more items.
-impure fn parse_crate_directive(parser p) -> ast.crate_directive
+fn parse_crate_directive(parser p) -> ast.crate_directive
{
auto lo = p.get_lo_pos();
alt (p.peek()) {
@@ -2417,10 +2398,10 @@ impure fn parse_crate_directive(parser p) -> ast.crate_directive
p.bump();
auto n = parse_path(p, GREEDY);
expect(p, token.EQ);
- auto e = parse_effect(p);
+ auto a = parse_auth(p);
auto hi = p.get_hi_pos();
expect(p, token.SEMI);
- ret spanned(lo, hi, ast.cdir_auth(n, e));
+ ret spanned(lo, hi, ast.cdir_auth(n, a));
}
case (token.META) {
@@ -2510,7 +2491,7 @@ impure fn parse_crate_directive(parser p) -> ast.crate_directive
}
-impure fn parse_crate_directives(parser p, token.token term)
+fn parse_crate_directives(parser p, token.token term)
-> vec[@ast.crate_directive] {
let vec[@ast.crate_directive] cdirs = vec();
@@ -2523,7 +2504,7 @@ impure fn parse_crate_directives(parser p, token.token term)
ret cdirs;
}
-impure fn parse_crate_from_crate_file(parser p) -> @ast.crate {
+fn parse_crate_from_crate_file(parser p) -> @ast.crate {
auto lo = p.get_lo_pos();
auto prefix = std.fs.dirname(p.get_filemap().name);
auto cdirs = parse_crate_directives(p, token.EOF);
diff --git a/src/comp/front/token.rs b/src/comp/front/token.rs
index 078467b5..cdc6b503 100644
--- a/src/comp/front/token.rs
+++ b/src/comp/front/token.rs
@@ -100,8 +100,7 @@ tag token {
STATE;
GC;
- /* Effect keywords */
- IMPURE;
+ /* Unsafe-block keyword */
UNSAFE;
/* Type qualifiers */
@@ -273,8 +272,7 @@ fn to_str(token t) -> str {
case (STATE) { ret "state"; }
case (GC) { ret "gc"; }
- /* Effect keywords */
- case (IMPURE) { ret "impure"; }
+ /* Unsafe-block keyword */
case (UNSAFE) { ret "unsafe"; }
/* Type qualifiers */
generated by cgit v1.2.3 (git 2.25.1) at 2026-03-11 15:14:44 +0000