diff options
Diffstat (limited to 'build2/lexer')
| -rw-r--r-- | build2/lexer | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/build2/lexer b/build2/lexer index e2cf07c..ad00e83 100644 --- a/build2/lexer +++ b/build2/lexer @@ -82,12 +82,14 @@ namespace build2 name () const {return name_;} // Note: sets mode for the next token. The second argument can be used to - // specifythe pair separator character (if the mode supports pairs). + // specifythe pair separator character (if the mode supports pairs). If + // escapes not specified, then inherit the current mode's (thought a mode + // can also override it). // virtual void mode (lexer_mode, char pair_separator = '\0', - const char* escapes = nullptr); + optional<const char*> escapes = nullopt); // Expire the current mode early. // |