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Dump results of analysis phase as CSV

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Adds the option -Zsave-analysis which will dump the results of syntax and type checking into CSV files. These can be interpreted by tools such as DXR to provide semantic information about Rust programs for code search, cross-reference, etc.

Authored by Nick Cameron and Peter Elmers (@pelmers; including enums, type parameters/generics).
This commit is contained in:
Nick Cameron 2014-02-05 17:31:33 +13:00
parent c20aed0930
commit 984e9afae5
11 changed files with 2531 additions and 37 deletions
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70
src/libsyntax/codemap.rs
View file

@ -421,6 +421,41 @@ impl CodeMap {
fail!("asking for {} which we don't know about", filename);
}
pub fn lookup_byte_offset(&self, bpos: BytePos) -> FileMapAndBytePos {
let idx = self.lookup_filemap_idx(bpos);
let fm = self.files.borrow().get(idx).clone();
let offset = bpos - fm.start_pos;
FileMapAndBytePos {fm: fm, pos: offset}
}
// Converts an absolute BytePos to a CharPos relative to the filemap and above.
pub fn bytepos_to_file_charpos(&self, bpos: BytePos) -> CharPos {
debug!("codemap: converting {:?} to char pos", bpos);
let idx = self.lookup_filemap_idx(bpos);
let files = self.files.borrow();
let map = files.get(idx);
// The number of extra bytes due to multibyte chars in the FileMap
let mut total_extra_bytes = 0;
for mbc in map.multibyte_chars.borrow().iter() {
debug!("codemap: {:?}-byte char at {:?}", mbc.bytes, mbc.pos);
if mbc.pos < bpos {
// every character is at least one byte, so we only
// count the actual extra bytes.
total_extra_bytes += mbc.bytes - 1;
// We should never see a byte position in the middle of a
// character
assert!(bpos.to_uint() >= mbc.pos.to_uint() + mbc.bytes);
} else {
break;
}
}
assert!(map.start_pos.to_uint() + total_extra_bytes <= bpos.to_uint());
CharPos(bpos.to_uint() - map.start_pos.to_uint() - total_extra_bytes)
}
fn lookup_filemap_idx(&self, pos: BytePos) -> uint {
let files = self.files.borrow();
let files = files;
@ -491,41 +526,6 @@ impl CodeMap {
col: chpos - linechpos
}
}
fn lookup_byte_offset(&self, bpos: BytePos) -> FileMapAndBytePos {
let idx = self.lookup_filemap_idx(bpos);
let fm = self.files.borrow().get(idx).clone();
let offset = bpos - fm.start_pos;
FileMapAndBytePos {fm: fm, pos: offset}
}
// Converts an absolute BytePos to a CharPos relative to the filemap.
fn bytepos_to_file_charpos(&self, bpos: BytePos) -> CharPos {
debug!("codemap: converting {:?} to char pos", bpos);
let idx = self.lookup_filemap_idx(bpos);
let files = self.files.borrow();
let map = files.get(idx);
// The number of extra bytes due to multibyte chars in the FileMap
let mut total_extra_bytes = 0;
for mbc in map.multibyte_chars.borrow().iter() {
debug!("codemap: {:?}-byte char at {:?}", mbc.bytes, mbc.pos);
if mbc.pos < bpos {
// every character is at least one byte, so we only
// count the actual extra bytes.
total_extra_bytes += mbc.bytes - 1;
// We should never see a byte position in the middle of a
// character
assert!(bpos.to_uint() >= mbc.pos.to_uint() + mbc.bytes);
} else {
break;
}
}
assert!(map.start_pos.to_uint() + total_extra_bytes <= bpos.to_uint());
CharPos(bpos.to_uint() - map.start_pos.to_uint() - total_extra_bytes)
}
}
#[cfg(test)]