diff options
Diffstat (limited to 'libbuild2/build/script/parser.hxx')
| -rw-r--r-- | libbuild2/build/script/parser.hxx | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/libbuild2/build/script/parser.hxx b/libbuild2/build/script/parser.hxx index 4b98cbc..a652cf4 100644 --- a/libbuild2/build/script/parser.hxx +++ b/libbuild2/build/script/parser.hxx @@ -141,13 +141,29 @@ namespace build2 // builtin after the script name or after another diag builtin) is // reported as ambiguity. // - // At the end of pre-parsing either diag_name or diag_line (but not + // At the end of pre-parsing either diag_name_ or diag_line_ (but not // both) are present. // - optional<pair<string, location>> diag_name; - optional<pair<string, location>> diag_name2; // Ambiguous script name. - optional<pair<line, location>> diag_line; - uint8_t diag_weight = 0; + optional<pair<string, location>> diag_name_; + optional<pair<string, location>> diag_name2_; // Ambiguous script name. + optional<pair<line, location>> diag_line_; + uint8_t diag_weight_ = 0; + + // Custom dependency change tracking. + // + // The depdb builtin can be used to change the default dependency + // change tracking: + // + // depdb clear - Cancels the default variables, targets, and + // prerequisites change tracking. Can only be + // the first depdb builtin call. + // + // depdb hash <args> - Track the argument list change as a hash. + // + // depdb string <arg> - Track the argument (single) change as string. + // + optional<location> depdb_clear_; // 'depdb clear' location if any. + lines depdb_lines_; // Note: excludes 'depdb clear'. // True during pre-parsing when the pre-parse mode is temporarily // suspended to perform expansion. @@ -156,10 +172,12 @@ namespace build2 // The alternative location where the next line should be saved. // - // It is set to NULL before the script line get parsed, indicating - // that the line should by default be appended to the script. However, + // Before the script line gets parsed, it is set to a temporary value + // that will by default be appended to the script. However, // parse_program() can point it to a different location where the line - // should be saved instead (e.g., diag_line, etc). + // should be saved instead (e.g., diag_line_, etc) or set it to NULL + // if the line is handled in an ad-hoc way and should be dropped + // (e.g., depdb_clear_, etc). // line* save_line_; |