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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1869725 13f79535-47bb-0310-9956-ffa450edef68
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Generated parser files.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1811105 13f79535-47bb-0310-9956-ffa450edef68
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Introduces the syntax "%{:<word>:}", borrowed from the <var>'s one, and which
likewise can be embedded anywhere in a string expression (the same reserved
character ':' gets reused in an unambiguous manner).
This allows the two types of expressions (boolean and string) to now share
fully the same language set, namely: strings, lists, vars, regexes, backrefs,
functions with multiple or complex arguments, and especially combinations
thereof.
Most of them were reserved to boolean expressions only, while complex string
constructions can also benefit to, well, strings. The <word> construct allows
that (say the syntax "%{:<word>:}" looks like a temporary variable constructed
in a string).
Since string expressions may now have to deal with lists (arrays), they also
need a way to produce/extract strings from list and vice versa. This can be
done with the new "join" and "split" operators, while the new substitution
regexes (like "s/<pattern>/<substitute>/<flags>") may be used to manipulate
strings in place. All this of course available for both string and boolean
expressions.
Tests and doc updates upcoming..
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1810605 13f79535-47bb-0310-9956-ffa450edef68
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May someone with a bison version closer to the original one make this change.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1643901 13f79535-47bb-0310-9956-ffa450edef68
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server/util_expr_parse.y from r1642154.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1643900 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1493422 13f79535-47bb-0310-9956-ffa450edef68
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Now using bison 2.7.12
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1493416 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1181231 13f79535-47bb-0310-9956-ffa450edef68
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Trim trailing whitespace... no func change
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1174748 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1142165 13f79535-47bb-0310-9956-ffa450edef68
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ap_expr -> ap_expr_t
ap_expr_parse_ctx -> ap_expr_parse_ctx_t
ap_expr_eval_ctx -> ap_expr_eval_ctx_t
ap_expr_lookup_fn -> ap_expr_lookup_fn_t
ap_expr_node_op -> ap_expr_node_op_e
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1042146 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1039204 13f79535-47bb-0310-9956-ffa450edef68
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- implement regex backreferences and make them available for setting
envvars in SetEnvIfExpr
- implement nested function calls in %-syntax: %{func1:%{func2:arg}}
- actually implement evaluation of concatenation operator (oops...)
- Fix <If ... > treating an internal error as success
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1037504 13f79535-47bb-0310-9956-ffa450edef68
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the new parser. Rework ap_expr's public interface and provide hooks for modules
to add variables and functions.
The Netware and Windows build files still need to be adjusted
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1032073 13f79535-47bb-0310-9956-ffa450edef68
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