nix-super/src/libexpr/lexer-helpers.cc

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#include "lexer-tab.hh"
#include "lexer-helpers.hh"
#include "parser-tab.hh"
void nix::lexer::internal::initLoc(YYLTYPE * loc)
{
loc->first_column = loc->last_column = 0;
}
void nix::lexer::internal::adjustLoc(yyscan_t yyscanner, YYLTYPE * loc, const char * s, size_t len)
{
loc->stash();
LexerState & lexerState = *yyget_extra(yyscanner);
if (lexerState.docCommentDistance == 1) {
// Preceding token was a doc comment.
ParserLocation doc;
doc.first_column = lexerState.lastDocCommentLoc.first_column;
ParserLocation docEnd;
docEnd.first_column = lexerState.lastDocCommentLoc.last_column;
DocComment docComment{lexerState.at(doc), lexerState.at(docEnd)};
PosIdx locPos = lexerState.at(*loc);
lexerState.positionToDocComment.emplace(locPos, docComment);
}
lexerState.docCommentDistance++;
loc->first_column = loc->last_column;
loc->last_column += len;
}