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Add block_to_str and expr_to_str methods to the pprust module.

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Since pprust is authed impure these can be used for debug logging.
This commit is contained in:
Brian Anderson 2011-03-31 20:29:59 -04:00
parent 2490cd3275
commit d631f29d47
1 changed files with 18 additions and 0 deletions
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18
src/comp/pretty/pprust.rs
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@ -32,6 +32,24 @@ fn ty_to_str(&@ast.ty ty) -> str {
ret writer.get_str();
}
fn block_to_str(&ast.block blk) -> str {
auto writer = io.string_writer();
auto s = @rec(s=pp.mkstate(writer.get_writer(), 78u),
comments=option.none[vec[lexer.cmnt]],
mutable cur_cmnt=0u);
print_block(s, blk);
ret writer.get_str();
}
fn expr_to_str(&@ast.expr e) -> str {
auto writer = io.string_writer();
auto s = @rec(s=pp.mkstate(writer.get_writer(), 78u),
comments=option.none[vec[lexer.cmnt]],
mutable cur_cmnt=0u);
print_expr(s, e);
ret writer.get_str();
}
impure fn hbox(ps s) {
pp.hbox(s.s, indent_unit);
}