104 lines
2.7 KiB
Rust
104 lines
2.7 KiB
Rust
use swc_common::comments::CommentKind;
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use super::*;
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macro_rules! write_comments {
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($e:expr, $prefix_space:expr, $cmts:expr) => {{
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let cmts = match $cmts {
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Some(v) => v,
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None => return Ok(()),
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};
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for cmt in cmts.iter() {
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match cmt.kind {
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CommentKind::Line => {
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if $prefix_space && !$e.cfg.minify {
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$e.wr.write_comment(" ")?;
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}
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srcmap!($e, cmt, true);
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$e.wr.write_comment("//")?;
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$e.wr.write_comment(&cmt.text)?;
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srcmap!($e, cmt, false);
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$e.wr.write_line()?;
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}
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CommentKind::Block => {
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if $prefix_space && !$e.cfg.minify {
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$e.wr.write_comment(" ")?;
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}
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srcmap!($e, cmt, true);
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$e.wr.write_comment("/*")?;
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$e.wr.write_comment(&cmt.text)?;
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{
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let hi = cmt.span_hi();
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if !hi.is_dummy() && hi.0 > 2 {
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$e.wr.add_srcmap(hi - swc_common::BytePos(2))?;
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}
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}
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$e.wr.write_comment("*/")?;
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if !$e.cfg.minify {
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$e.wr.write_space()?;
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}
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}
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}
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}
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return Ok(());
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}};
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}
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impl<'a, W, S: SourceMapper> Emitter<'a, W, S>
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where
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W: WriteJs,
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S: SourceMapperExt,
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{
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pub(super) fn emit_trailing_comments_of_pos(
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&mut self,
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pos: BytePos,
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prefix_space: bool,
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_is_hi: bool,
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) -> Result {
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if pos.is_dummy() {
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return Ok(());
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}
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let comments = match self.comments {
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Some(ref comments) => comments,
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None => return Ok(()),
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};
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let cmts = comments.take_trailing(pos);
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write_comments!(self, prefix_space, &cmts)
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}
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pub(super) fn emit_leading_comments(&mut self, mut pos: BytePos, is_hi: bool) -> Result {
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if pos.is_dummy() {
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return Ok(());
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}
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let comments = match self.comments {
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Some(ref comments) => comments,
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None => return Ok(()),
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};
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if is_hi {
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pos = pos - BytePos(1)
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}
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write_comments!(self, false, comments.take_leading(pos))
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}
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#[inline(always)]
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pub(super) fn emit_leading_comments_of_span(&mut self, span: Span, is_hi: bool) -> Result {
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let pos = if is_hi { span.hi } else { span.lo };
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self.emit_leading_comments(pos, is_hi)
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}
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}
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