diff options
Diffstat (limited to 'src/cmd/compile/internal/noder/doc.go')
| -rw-r--r-- | src/cmd/compile/internal/noder/doc.go | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/noder/doc.go b/src/cmd/compile/internal/noder/doc.go index 24590107c2..3bae6ec7f8 100644 --- a/src/cmd/compile/internal/noder/doc.go +++ b/src/cmd/compile/internal/noder/doc.go @@ -22,7 +22,7 @@ its index in the series. SectionKind = Uint64 . Payload = SectionString SectionMeta - SectionPosBase // TODO(markfreeman) Define. + SectionPosBase SectionPkg // TODO(markfreeman) Define. SectionName // TODO(markfreeman) Define. SectionType // TODO(markfreeman) Define. @@ -67,6 +67,38 @@ PublicRoot = Relocs HasInit = Bool . // Whether the package uses any initialization // functions. +## PosBase Section +This section provides position information. It is a series of PosBase +elements. + +SectionPosBase = { PosBase } . + +A base is either a file base or line base (produced by a line +directive). Every base has a position, line, and column; these are +constant for file bases and hence not encoded. + +PosBase = Relocs + [ SyncPosBase ] // TODO(markfreeman): Define. + StringRef // the (absolute) file name for the base + Bool // true if it is a file base, else a line base + // The below is ommitted for file bases. + [ Pos + Uint64 // line + Uint64 ] // column + . + +A source position Pos represents a file-absolute (line, column) pair +and a PosBase indicating the position Pos is relative to. Positions +without a PosBase have no line or column. + +Pos = [ SyncPos ] // TODO(markfreeman): Define. + Bool // true if the position has a base + // The below is ommitted if the position has no base. + [ Ref[PosBase] + Uint64 // line + Uint64 ] // column + . + # References A reference table precedes every element. Each entry in the table contains a section / index pair denoting the location of the referenced element. |