mirror of
https://github.com/swc-project/swc.git
synced 2024-12-27 15:42:51 +03:00
Attach comments to correct node (#541)
This commit is contained in:
강동윤
GitHub
parent
3cf1caa4b1
commit
702800e0d9
@ -1,6 +1,6 @@
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[package]
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name = "swc_common"
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version = "0.4.3"
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version = "0.4.4"
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authors = ["강동윤 <kdy1997.dev@gmail.com>"]
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license = "Apache-2.0/MIT"
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repository = "https://github.com/swc-project/swc.git"
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@ -27,10 +27,18 @@ impl Comments {
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});
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}
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pub fn take_trailing_comments(&self, pos: BytePos) -> Option<Vec<Comment>> {
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self.trailing.remove(&pos)
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}
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pub fn trailing_comments(&self, pos: BytePos) -> Option<ReadGuard<'_, BytePos, Vec<Comment>>> {
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self.trailing.get(&pos)
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}
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pub fn take_leading_comments(&self, pos: BytePos) -> Option<Vec<Comment>> {
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self.leading.remove(&pos)
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}
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pub fn leading_comments(&self, pos: BytePos) -> Option<ReadGuard<'_, BytePos, Vec<Comment>>> {
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self.leading.get(&pos)
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}
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@ -1,6 +1,6 @@
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[package]
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name = "swc_ecma_codegen"
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version = "0.11.0"
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version = "0.12.0"
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authors = ["강동윤 <kdy1997.dev@gmail.com>"]
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license = "Apache-2.0/MIT"
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repository = "https://github.com/swc-project/swc.git"
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@ -12,7 +12,7 @@ edition = "2018"
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bitflags = "1"
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hashbrown = "0.6"
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swc_atoms = { version = "0.2", path ="../../atoms" }
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swc_common = { version = "0.4.0", path ="../../common" }
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swc_common = { version = "0.4.4", path ="../../common" }
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swc_ecma_ast = { version = "0.13.0", path ="../ast" }
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swc_ecma_codegen_macros = { version = "0.4", path ="./macros" }
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sourcemap = "4.1.1"
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@ -119,7 +119,6 @@ fn emit_colors(b: &mut Bencher) {
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Some(&mut src_map_builder),
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),
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handlers,
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pos_of_leading_comments: Default::default(),
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};
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emitter.emit_module(&module)
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@ -48,7 +48,7 @@ impl<'a> Emitter<'a> {
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None => return Ok(()),
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};
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let cmts = comments.trailing_comments(pos);
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let cmts = comments.take_trailing_comments(pos);
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write_comments!(self, prefix_space, &cmts)
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}
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@ -63,11 +63,6 @@ impl<'a> Emitter<'a> {
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None => return Ok(()),
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};
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if self.pos_of_leading_comments.contains(&pos) {
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return Ok(());
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}
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self.pos_of_leading_comments.insert(pos);
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write_comments!(self, false, comments.leading_comments(pos))
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write_comments!(self, false, comments.take_leading_comments(pos))
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}
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}
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@ -7,7 +7,6 @@ use self::{
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text_writer::WriteJs,
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util::{SourceMapperExt, SpanExt, StartsWithAlphaNum},
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};
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use hashbrown::HashSet;
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use std::{io, sync::Arc};
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use swc_atoms::JsWord;
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use swc_common::{comments::Comments, BytePos, SourceMap, Span, Spanned, SyntaxContext, DUMMY_SP};
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@ -56,7 +55,6 @@ pub struct Emitter<'a> {
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pub comments: Option<&'a Comments>,
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pub wr: Box<(dyn 'a + WriteJs)>,
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pub handlers: Box<(dyn 'a + Handlers)>,
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pub pos_of_leading_comments: HashSet<BytePos>,
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}
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impl<'a> Emitter<'a> {
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@ -1371,6 +1369,8 @@ impl<'a> Emitter<'a> {
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}
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}
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child.emit_with(self)?;
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// Emit this child.
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if should_emit_intervening_comments {
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let comment_range = child.comment_range();
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@ -1379,8 +1379,6 @@ impl<'a> Emitter<'a> {
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should_emit_intervening_comments = may_emit_intervening_comments;
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}
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child.emit_with(self)?;
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if should_decrease_indent_after_emit {
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self.wr.decrease_indent()?;
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should_decrease_indent_after_emit = false;
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@ -1684,10 +1682,8 @@ impl<'a> Emitter<'a> {
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let need_paren = if let Some(cmt) = self.comments {
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let lo = node.arg.span().lo();
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!self.pos_of_leading_comments.contains(&lo) && {
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// see #415
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cmt.leading_comments(lo).is_some()
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}
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// see #415
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cmt.leading_comments(lo).is_some()
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} else {
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false
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};
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@ -29,7 +29,6 @@ impl Builder {
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wr: Box::new(text_writer::JsWriter::new(self.cm.clone(), "\n", s, None)),
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comments: Some(&self.comments),
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handlers: Box::new(Noop),
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pos_of_leading_comments: Default::default(),
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};
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let ret = op(&mut e);
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@ -7,8 +7,6 @@ c: {
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for(var b = 3; b < 4; b++){
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if (b > 5) break; // this break refers to the for, not to the switch; thus it
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// this break refers to the for, not to the switch; thus it
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// shouldn't ruin our optimization
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d.e(b);
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}
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@ -1,5 +1,6 @@
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while(true){
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break; /* Multiline
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break;
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/* Multiline
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Comment */
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a;
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}
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@ -1,3 +1,4 @@
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switch(a){
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case 1: b();
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case 1: /* perfect */
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b();
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}
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@ -1,4 +1,5 @@
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b: while(1){
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continue; /*
*/
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continue;
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/*
*/
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a;
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}
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@ -2,6 +2,4 @@
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throw 'a';
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with (b); // This should be removed.
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// This should be removed.
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}());
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@ -1,3 +1,3 @@
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if (a) {
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b(); /* Some comment */
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b();
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}
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@ -1,4 +1,5 @@
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b: while(1){
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continue; /*
*/
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continue;
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/*
*/
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a;
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}
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@ -1 +1,2 @@
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(a + b) * c;
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(a + /* assignment */
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b) * c;
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@ -1,4 +1,2 @@
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for(;;)continue; // should be empty statement
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// should be empty statement
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@ -1 +1 @@
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var //fooa = 1; //foo
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var a = 1//foo;
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@ -1,4 +1,5 @@
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({
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(/* comment */
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{
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a: null,
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b: null
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});
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@ -1,5 +1,6 @@
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b: while(1){
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continue; /*
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continue;
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/*
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*/
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a;
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}
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@ -1,3 +1,4 @@
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({
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(/* comment */
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{
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a: null
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});
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@ -1,5 +1,6 @@
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while(true){
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continue; /* Multiline
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continue;
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/* Multiline
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Comment */
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a;
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}
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@ -1,4 +1,5 @@
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({
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(/* comment */
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{
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/* comment 2 */
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a: null
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});
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@ -1 +1,2 @@
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throw a;
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throw /* */
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a;
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@ -22,8 +22,6 @@
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var a;
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if (b) return; // I would insert something there, but I'm sort of lazy so whatever.
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// I would insert something there, but I'm sort of lazy so whatever.
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a = new c();
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return a;
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})();
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@ -1,4 +1,3 @@
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switch(a){
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case 1: /* perfect */
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b(); /* perfect */
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case 1: b();
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}
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@ -1,4 +1,2 @@
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while(true)continue; // should be empty statement
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// should be empty statement
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@ -1,4 +1,2 @@
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for(var a in b)continue; // should be empty statement
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// should be empty statement
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@ -1,4 +1,5 @@
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b: while(1){
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continue; /*
*/
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continue;
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/*
*/
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a;
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}
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@ -1,2 +1,2 @@
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var /* comment */
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a;
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var a/* comment */
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;
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@ -1,5 +1,6 @@
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b: while(1){
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continue; /*
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continue;
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/*
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*/
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a;
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}
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@ -165,7 +165,6 @@ fn error_tests(tests: &mut Vec<TestDescAndFn>) -> Result<(), io::Error> {
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),
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comments: Some(&comments),
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handlers,
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pos_of_leading_comments: Default::default(),
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};
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// Parse source
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@ -1,6 +1,6 @@
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[package]
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name = "swc_ecma_parser"
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version = "0.15.1"
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version = "0.15.2"
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authors = ["강동윤 <kdy1997.dev@gmail.com>"]
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license = "Apache-2.0/MIT"
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repository = "https://github.com/swc-project/swc.git"
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@ -42,7 +42,10 @@ enum TokenType {
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JSXText,
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JSXTagStart,
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JSXTagEnd,
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Other { before_expr: bool },
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Other {
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before_expr: bool,
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can_have_trailing_comment: bool,
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},
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}
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impl TokenType {
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fn before_expr(self) -> bool {
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@ -57,7 +60,7 @@ impl TokenType {
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TokenType::JSXText | TokenType::Colon | TokenType::LBrace | TokenType::Semi => true,
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TokenType::BinOp(b) => b.before_expr(),
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TokenType::Keyword(k) => k.before_expr(),
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TokenType::Other { before_expr } => before_expr,
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TokenType::Other { before_expr, .. } => before_expr,
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}
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}
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}
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@ -80,6 +83,18 @@ impl<'a> From<&'a Token> for TokenType {
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Token::Word(Word::Keyword(k)) => TokenType::Keyword(k),
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_ => TokenType::Other {
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before_expr: t.before_expr(),
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can_have_trailing_comment: match *t {
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Token::Num(..)
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| Token::Str { .. }
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| Token::Word(Word::Ident(..))
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| Token::DollarLBrace
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| Token::Regex(..)
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| Token::BigInt(..)
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| Token::JSXText { .. }
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| Token::RBrace => true,
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_ => false,
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},
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},
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}
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}
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@ -278,9 +293,14 @@ impl State {
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.unwrap_or(false)
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}
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pub fn last_was_return(&self) -> bool {
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pub fn can_have_trailing_comment(&self) -> bool {
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match self.token_type {
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Some(TokenType::Keyword(Keyword::Return)) => true,
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Some(TokenType::Keyword(..)) => false,
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Some(TokenType::Semi) | Some(TokenType::LBrace) => true,
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Some(TokenType::Other {
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can_have_trailing_comment,
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..
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}) => can_have_trailing_comment,
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_ => false,
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}
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}
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@ -218,7 +218,7 @@ impl<'a, I: Input> Lexer<'a, I> {
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false
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};
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let is_for_next = self.state.had_line_break || self.state.last_was_return();
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let is_for_next = self.state.had_line_break || !self.state.can_have_trailing_comment();
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while let Some(c) = self.cur() {
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if was_star && c == '/' {
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@ -234,13 +234,14 @@ impl<'a, I: Input> Lexer<'a, I> {
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span: Span::new(start, pos, SyntaxContext::empty()),
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text: s.into(),
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};
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let peek = self.input.peek();
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if is_for_next {
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self.leading_comments_buffer.as_mut().unwrap().push(cmt);
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} else {
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comments.add_trailing(self.state.prev_hi, cmt);
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}
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}
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// TODO: push comment
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return Ok(());
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}
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if c.is_line_break() {
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@ -212,7 +212,6 @@ fn exec(c: PresetConfig, dir: PathBuf) -> Result<(), Error> {
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None,
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),
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handlers,
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pos_of_leading_comments: Default::default(),
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};
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emitter.emit_module(m).expect("failed to emit module");
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@ -1,6 +1,6 @@
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[package]
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name = "swc_ecma_transforms"
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version = "0.3.0"
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version = "0.3.1"
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authors = ["강동윤 <kdy1997.dev@gmail.com>"]
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license = "Apache-2.0/MIT"
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repository = "https://github.com/swc-project/swc.git"
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@ -31,7 +31,7 @@ smallvec = "1"
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[dev-dependencies]
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testing = { version = "0.4", path ="../../testing" }
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swc_ecma_codegen = { version = "0.11.0", path ="../codegen" }
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swc_ecma_codegen = { version = "0.12.0", path ="../codegen" }
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tempfile = "3"
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pretty_assertions = "0.6"
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sourcemap = "4.1.1"
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@ -151,7 +151,6 @@ impl<'a> Tester<'a> {
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),
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comments: None,
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handlers,
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pos_of_leading_comments: Default::default(),
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};
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// println!("Emitting: {:?}", module);
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@ -161,7 +161,6 @@ impl<'a> Tester<'a> {
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),
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comments: None,
|
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handlers,
|
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pos_of_leading_comments: Default::default(),
|
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};
|
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|
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// println!("Emitting: {:?}", module);
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@ -184,7 +184,6 @@ fn error_tests(tests: &mut Vec<TestDescAndFn>) -> Result<(), io::Error> {
|
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),
|
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comments: None,
|
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handlers,
|
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pos_of_leading_comments: Default::default(),
|
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};
|
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let mut expected_emitter = Emitter {
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cfg: swc_ecma_codegen::Config { minify: false },
|
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@ -194,7 +193,6 @@ fn error_tests(tests: &mut Vec<TestDescAndFn>) -> Result<(), io::Error> {
|
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),
|
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comments: None,
|
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handlers: handlers2,
|
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pos_of_leading_comments: Default::default(),
|
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};
|
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|
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// Parse source
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@ -161,7 +161,6 @@ impl Compiler {
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},
|
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),
|
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handlers,
|
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pos_of_leading_comments: Default::default(),
|
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};
|
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|
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emitter
|
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|
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@ -298,3 +298,33 @@ fn env_query_chrome_71() {
|
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fn project_env() {
|
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project("tests/projects/env/");
|
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}
|
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|
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#[test]
|
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fn issue_532() {
|
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let f = file("tests/projects/issue-532-block/input.js")
|
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.unwrap()
|
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.replace(" ", "");
|
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let f = f.trim();
|
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|
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println!("{}", f);
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|
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assert_eq!(
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f,
|
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"\
|
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/*pre:1*/
|
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test();
|
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test(123/*post:3*/
|
||||
);
|
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test(/*pre:4*/
|
||||
123);
|
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test(/*pre:5*/
|
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123/*post:6*/
|
||||
);
|
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test(/*pre:7*/
|
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123,/*pre:8*/
|
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456);
|
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test(123/*post:9*/
|
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,456/*post:10*/
|
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);"
|
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)
|
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}
|
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|
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7
tests/projects/issue-532-block/input.js
Normal file
7
tests/projects/issue-532-block/input.js
Normal file
@ -0,0 +1,7 @@
|
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/*pre: 1*/
|
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test(/*2*/);
|
||||
test(123/*post: 3*/);
|
||||
test(/*pre: 4*/123);
|
||||
test(/*pre: 5*/123/*post: 6*/);
|
||||
test(/*pre: 7*/123,/*pre: 8*/456);
|
||||
test(123/*post: 9*/,456/*post: 10*/);
|
||||
Loading…
Reference in New Issue
Block a user