diff options
Diffstat (limited to 'libbuild2/lexer.hxx')
| -rw-r--r-- | libbuild2/lexer.hxx | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/libbuild2/lexer.hxx b/libbuild2/lexer.hxx index f987071..e92980b 100644 --- a/libbuild2/lexer.hxx +++ b/libbuild2/lexer.hxx @@ -23,18 +23,20 @@ namespace build2 // 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 - // attribute mode is like value except it doesn't treat '{' and '}' as - // special (so we cannot have name groups in attributes). The eval mode is - // used in the evaluation context. Quoted modes are internal and should not - // be set explicitly. + // values mode is like value but recogizes ',' as special (used in contexts + // where we need to list multiple values). The attribute mode is also like + // value except it doesn't treat '{' and '}' as special (so we cannot have + // name groups in attributes). The eval mode is used in the evaluation + // context. Quoted modes are internal and should not be set explicitly. // - // Note that the normal, value, and eval modes split words separated by the - // pair character (to disable pairs one can pass '\0' as a pair character). + // Note that the normal, value/values, and eval modes split words separated + // by the pair character (to disable pairs one can pass '\0' as a pair + // character). // - // The alternnative modes must be set manually. The value mode automatically - // expires after the end of the line. The attribute mode expires after the - // closing ']'. The variable mode expires after the word token. And the eval - // mode expires after the closing ')'. + // The alternative modes must be set manually. The value/values mode + // automatically expires after the end of the line. The attribute mode + // expires after the closing ']'. The variable mode expires after the word + // token. And the eval mode expires after the closing ')'. // // Note that normally it is only safe to switch mode when the current token // is not quoted (or, more generally, when you are not in the double-quoted @@ -54,6 +56,7 @@ namespace build2 normal = base_type::value_next, variable, value, + values, attribute, eval, single_quoted, |