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rustc: Migrate core AST types to interior vectors

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This commit is contained in:
Patrick Walton 2011-07-06 16:01:47 -07:00
parent aad0bcc8d5
commit c83782f500
3 changed files with 32 additions and 12 deletions
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8
src/comp/syntax/ast.rs
View File

@ -334,7 +334,7 @@ type ty_arg_ = rec(mode mode, @ty ty);
type ty_method_ =
rec(proto proto,
ident ident,
vec[ty_arg] inputs,
ty_arg[] inputs,
@ty output,
controlflow cf,
vec[@constr] constrs);
@ -402,9 +402,9 @@ tag ty_ {
ty_port(@ty);
ty_chan(@ty);
ty_tup(mt[]);
ty_rec(vec[ty_field]);
ty_fn(proto, vec[ty_arg], @ty, controlflow, vec[@constr]);
ty_obj(vec[ty_method]);
ty_rec(ty_field[]);
ty_fn(proto, ty_arg[], @ty, controlflow, vec[@constr]);
ty_obj(ty_method[]);
ty_path(path, node_id);
ty_type;
ty_constr(@ty, vec[@constr]);

10
src/comp/syntax/parse/parser.rs
View File

@ -258,8 +258,8 @@ fn parse_ty_fn(ast::proto proto, &parser p, uint lo) -> ast::ty_ {
}
auto lo = p.get_lo_pos();
auto inputs =
parse_seq(token::LPAREN, token::RPAREN, some(token::COMMA),
parse_fn_input_ty, p);
parse_seq_ivec(token::LPAREN, token::RPAREN, some(token::COMMA),
parse_fn_input_ty, p);
auto constrs = parse_constrs([], p);
let @ast::ty output;
auto cf = ast::return;
@ -308,7 +308,7 @@ fn parse_ty_obj(&parser p, &mutable uint hi) -> ast::ty_ {
fail;
}
auto f = parse_method_sig;
auto meths = parse_seq(token::LBRACE, token::RBRACE, none, f, p);
auto meths = parse_seq_ivec(token::LBRACE, token::RBRACE, none, f, p);
hi = meths.span.hi;
ret ast::ty_obj(meths.node);
}
@ -526,8 +526,8 @@ fn parse_ty(&parser p) -> @ast::ty {
t = ast::ty_tup(elems.node);
} else if (eat_word(p, "rec")) {
auto elems =
parse_seq(token::LPAREN, token::RPAREN, some(token::COMMA),
parse_ty_field, p);
parse_seq_ivec(token::LPAREN, token::RPAREN, some(token::COMMA),
parse_ty_field, p);
hi = elems.span.hi;
t = ast::ty_rec(elems.node);
} else if (eat_word(p, "fn")) {

26
src/comp/syntax/print/pprust.rs
View File

@ -237,6 +237,26 @@ fn commasep_cmnt[IN](&ps s, breaks b, vec[IN] elts, fn(&ps, &IN) op,
end(s);
}
// TODO: Remove me.
fn commasep_cmnt_ivec[IN](&ps s, breaks b, &IN[] elts, fn(&ps, &IN) op,
fn(&IN) -> codemap::span get_span) {
box(s, 0u, b);
auto len = ivec::len[IN](elts);
auto i = 0u;
for (IN elt in elts) {
maybe_print_comment(s, get_span(elt).hi);
op(s, elt);
i += 1u;
if (i < len) {
word(s.s, ",");
maybe_print_trailing_comment(s, get_span(elt),
some(get_span(elts.(i)).hi));
space_if_not_hardbreak(s);
}
}
end(s);
}
fn commasep_exprs(&ps s, breaks b, vec[@ast::expr] exprs) {
fn expr_span(&@ast::expr expr) -> codemap::span { ret expr.span; }
commasep_cmnt(s, b, exprs, print_expr, expr_span);
@ -315,7 +335,7 @@ fn print_type(&ps s, &ast::ty ty) {
end(s);
}
fn get_span(&ast::ty_field f) -> codemap::span { ret f.span; }
commasep_cmnt(s, consistent, fields, print_field, get_span);
commasep_cmnt_ivec(s, consistent, fields, print_field, get_span);
pclose(s);
}
case (ast::ty_fn(?proto, ?inputs, ?output, ?cf, ?constrs)) {
@ -1214,7 +1234,7 @@ fn print_mt(&ps s, &ast::mt mt) {
}
fn print_ty_fn(&ps s, &ast::proto proto, &option::t[str] id,
&vec[ast::ty_arg] inputs, &@ast::ty output,
&ast::ty_arg[] inputs, &@ast::ty output,
&ast::controlflow cf, &vec[@ast::constr] constrs) {
ibox(s, indent_unit);
if (proto == ast::proto_fn) {
@ -1230,7 +1250,7 @@ fn print_ty_fn(&ps s, &ast::proto proto, &option::t[str] id,
print_alias(s, input.node.mode);
print_type(s, *input.node.ty);
}
commasep(s, inconsistent, inputs, print_arg);
commasep_ivec(s, inconsistent, inputs, print_arg);
pclose(s);
maybe_print_comment(s, output.span.lo);
if (output.node != ast::ty_nil) {