diff options
Diffstat (limited to 'libbuild2/lexer.hxx')
-rw-r--r-- | libbuild2/lexer.hxx | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/libbuild2/lexer.hxx b/libbuild2/lexer.hxx index 4371206..e913829 100644 --- a/libbuild2/lexer.hxx +++ b/libbuild2/lexer.hxx @@ -26,14 +26,15 @@ namespace build2 // mode we don't treat certain characters (e.g., `+`, `=`) as special so // that we can use them in the variable values, e.g., `foo = g++`. In // contrast, in the variable mode, we restrict certain character (e.g., `/`) - // from appearing in the name. The values mode is like value but recogizes - // `,` as special (used in contexts where we need to list multiple - // values). The attributes/attribute_value modes are like values where each - // value is potentially a variable assignment; they don't treat `{` and `}` - // as special (so we cannot have name groups in attributes) as well as - // recognizes `=` and `]`. The subscript mode is like value but doesn't - // treat `{` and `}` as special and recognizes `]`. The eval mode is used in - // the evaluation context. + // from appearing in the name. Additionally, in the variable mode we + // recognize leading `\` as the beginning of the escape sequent ($\n). The + // values mode is like value but recogizes `,` as special (used in contexts + // where we need to list multiple values). The attributes/attribute_value + // modes are like values where each value is potentially a variable + // assignment; they don't treat `{` and `}` as special (so we cannot have + // name groups in attributes) as well as recognizes `=` and `]`. The + // subscript mode is like value but doesn't treat `{` and `}` as special and + // recognizes `]`. The eval mode is used in the evaluation context. // // A number of modes are "derived" from the value/values mode by recognizing // a few extra characters: @@ -262,7 +263,7 @@ namespace build2 // been "expired" from the top). // virtual token - word (state current, bool separated); + word (const state& current, bool separated); // Return true in first if we have seen any spaces. Skipped empty lines // don't count. In other words, we are only interested in spaces that are |