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refactor(codegen): prepare to add leading comments by adding a template method pattern (#5784)

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Boshen 2024-09-15 09:41:53 +00:00
parent 6dd6f7ca26
commit e613a3d877
2 changed files with 476 additions and 464 deletions
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922
crates/oxc_codegen/src/gen.rs
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18
crates/oxc_codegen/src/lib.rs
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@ -206,7 +206,7 @@ impl<'a> Codegen<'a> {
#[must_use]
pub fn build(mut self, program: &Program<'_>) -> CodegenReturn {
program.gen(&mut self, Context::default());
program.print(&mut self, Context::default());
let source_text = self.into_source_text();
let source_map = self.sourcemap_builder.map(SourcemapBuilder::into_sourcemap);
CodegenReturn { source_text, source_map }
@ -233,7 +233,7 @@ impl<'a> Codegen<'a> {
#[inline]
pub fn print_expression(&mut self, expr: &Expression<'_>) {
expr.gen_expr(self, Precedence::Lowest, Context::empty());
expr.print_expr(self, Precedence::Lowest, Context::empty());
}
}
@ -353,7 +353,7 @@ impl<'a> Codegen<'a> {
fn print_sequence<T: Gen>(&mut self, items: &[T], ctx: Context) {
for item in items {
item.gen(self, ctx);
item.print(self, ctx);
self.print_comma();
}
}
@ -404,7 +404,7 @@ impl<'a> Codegen<'a> {
self.print_hard_space();
}
self.print_next_indent_as_space = true;
stmt.gen(self, ctx);
stmt.print(self, ctx);
}
}
}
@ -413,7 +413,7 @@ impl<'a> Codegen<'a> {
self.print_curly_braces(stmt.span, stmt.body.is_empty(), |p| {
for stmt in &stmt.body {
p.print_semicolon_if_needed();
stmt.gen(p, ctx);
stmt.print(p, ctx);
}
});
self.needs_semicolon = false;
@ -423,11 +423,11 @@ impl<'a> Codegen<'a> {
// ```
// let mut iter = items.iter();
// let Some(item) = iter.next() else { return };
// item.gen(self, ctx);
// item.print(self, ctx);
// for item in iter {
// self.print_comma();
// self.print_soft_space();
// item.gen(self, ctx);
// item.print(self, ctx);
// }
// ```
// But it turned out this was actually a bit slower.
@ -438,7 +438,7 @@ impl<'a> Codegen<'a> {
self.print_comma();
self.print_soft_space();
}
item.gen(self, ctx);
item.print(self, ctx);
}
}
@ -448,7 +448,7 @@ impl<'a> Codegen<'a> {
self.print_comma();
self.print_soft_space();
}
item.gen_expr(self, precedence, ctx);
item.print_expr(self, precedence, ctx);
}
}