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-rw-r--r--libbuild2/cc/lexer.cxx13
1 files changed, 5 insertions, 8 deletions
diff --git a/libbuild2/cc/lexer.cxx b/libbuild2/cc/lexer.cxx
index d57f5eb..d2be3d8 100644
--- a/libbuild2/cc/lexer.cxx
+++ b/libbuild2/cc/lexer.cxx
@@ -48,8 +48,8 @@ namespace build2
auto lexer::
peek (bool e) -> xchar
{
- if (unget_)
- return ungetc_;
+ if (ungetn_ != 0)
+ return ungetb_[ungetn_ - 1];
if (unpeek_)
return unpeekc_;
@@ -98,11 +98,8 @@ namespace build2
inline auto lexer::
get (bool e) -> xchar
{
- if (unget_)
- {
- unget_ = false;
- return ungetc_;
- }
+ if (ungetn_ != 0)
+ return ungetb_[--ungetn_];
else
{
xchar c (peek (e));
@@ -117,7 +114,7 @@ namespace build2
// Increment the logical line similar to how base will increment the
// physical (the column counts are the same).
//
- if (log_line_ && c == '\n' && !unget_)
+ if (log_line_ && c == '\n' && ungetn_ == 0)
++*log_line_;
base::get (c);