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Diffstat (limited to 'libbuild2/lexer.hxx')
| -rw-r--r-- | libbuild2/lexer.hxx | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libbuild2/lexer.hxx b/libbuild2/lexer.hxx index d5f1c99..f577828 100644 --- a/libbuild2/lexer.hxx +++ b/libbuild2/lexer.hxx @@ -56,6 +56,13 @@ namespace build2 // single-quote mode. The number of closing braces to expect is passed as // mode data. // + // The mode data is also used by a few other modes. The buildspec mode uses + // it as a boolean value to decide whether to recognize newlines as tokens. + // In the variable mode the mode data may be a pointer to a C string that + // contains a list of special one-character variable names to recognize + // (e.g., $<, $~, etc). Note that the parser has a special kludge to also + // recognize them as $(<), etc. + // // The alternative modes must be set manually. The value/values and derived // modes automatically expires after the end of the line. The attribute and // subscript modes expires after the closing `]`. The variable mode expires |