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a8715a2d6e
Since the parser is now LALR we can easily switch over to the less ugly sketelon than the default C one. This would allow us to switch from %union to %define api.value.type variant in the future to avoid the need for triviall POD types.
28 lines
920 B
C++
28 lines
920 B
C++
#include "lexer-helpers.hh"
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void nix::lexer::internal::initLoc(Parser::location_type * loc)
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{
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loc->beginOffset = loc->endOffset = 0;
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}
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void nix::lexer::internal::adjustLoc(yyscan_t yyscanner, Parser::location_type * loc, const char * s, size_t len)
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{
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loc->stash();
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LexerState & lexerState = *yyget_extra(yyscanner);
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if (lexerState.docCommentDistance == 1) {
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// Preceding token was a doc comment.
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ParserLocation doc;
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doc.beginOffset = lexerState.lastDocCommentLoc.beginOffset;
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ParserLocation docEnd;
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docEnd.beginOffset = lexerState.lastDocCommentLoc.endOffset;
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DocComment docComment{lexerState.at(doc), lexerState.at(docEnd)};
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PosIdx locPos = lexerState.at(*loc);
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lexerState.positionToDocComment.emplace(locPos, docComment);
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}
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lexerState.docCommentDistance++;
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loc->beginOffset = loc->endOffset;
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loc->endOffset += len;
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}
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