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libsyntax: Fix pretty printing of tuple structs. Attempt to put out fire. rs=rustbot

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This commit is contained in:
Patrick Walton 2012-10-26 12:11:14 -07:00
parent c851d2a1bc
commit c7ec183b34
1 changed files with 51 additions and 26 deletions
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77
src/libsyntax/print/pprust.rs
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@ -672,36 +672,61 @@ fn print_struct(s: ps, struct_def: @ast::struct_def, tps: ~[ast::ty_param],
commasep(s, inconsistent, struct_def.traits, |s, p|
print_path(s, p.path, false));
}
bopen(s);
hardbreak_if_not_bol(s);
do struct_def.dtor.iter |dtor| {
hardbreak_if_not_bol(s);
maybe_print_comment(s, dtor.span.lo);
print_outer_attributes(s, dtor.node.attrs);
head(s, ~"drop");
print_block(s, dtor.node.body);
}
for struct_def.fields.each |field| {
match field.node.kind {
ast::unnamed_field => {} // We don't print here.
ast::named_field(ident, mutability, visibility) => {
hardbreak_if_not_bol(s);
maybe_print_comment(s, field.span.lo);
print_visibility(s, visibility);
if mutability == ast::class_mutable {
word_nbsp(s, ~"mut");
if ast_util::struct_def_is_tuple_like(struct_def) {
popen(s);
let mut first = true;
for struct_def.fields.each |field| {
if first {
first = false;
} else {
word_space(s, ~",");
}
match field.node.kind {
ast::named_field(*) => fail ~"unexpected named field",
ast::unnamed_field => {
maybe_print_comment(s, field.span.lo);
print_type(s, field.node.ty);
}
print_ident(s, ident);
word_nbsp(s, ~":");
print_type(s, field.node.ty);
word(s.s, ~",");
}
}
pclose(s);
word(s.s, ~";");
end(s); // close the outer-box
} else {
bopen(s);
hardbreak_if_not_bol(s);
do struct_def.dtor.iter |dtor| {
hardbreak_if_not_bol(s);
maybe_print_comment(s, dtor.span.lo);
print_outer_attributes(s, dtor.node.attrs);
head(s, ~"drop");
print_block(s, dtor.node.body);
}
for struct_def.fields.each |field| {
match field.node.kind {
ast::unnamed_field => fail ~"unexpected unnamed field",
ast::named_field(ident, mutability, visibility) => {
hardbreak_if_not_bol(s);
maybe_print_comment(s, field.span.lo);
print_visibility(s, visibility);
if mutability == ast::class_mutable {
word_nbsp(s, ~"mut");
}
print_ident(s, ident);
word_nbsp(s, ~":");
print_type(s, field.node.ty);
word(s.s, ~",");
}
}
}
for struct_def.methods.each |method| {
print_method(s, *method);
}
bclose(s, span);
}
for struct_def.methods.each |method| {
print_method(s, *method);
}
bclose(s, span);
}
/// This doesn't deserve to be called "pretty" printing, but it should be