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| author | Boris Kolpackov <boris@codesynthesis.com> | 2020-07-13 13:24:07 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2020-07-13 13:41:40 +0200 |
| commit | 0ce923f1b9b008cf44602255f935bf3d9c4ba90d (patch) | |
| tree | a087f20a78f134ad2efde7f38f5d720b9e1155a2 /libbuild2/lexer.cxx | |
| parent | 4b15244f65eb246d4e5d98ebfc1aa3137dc7275e (diff) | |
Reserve backtick (`) and bit-or (|) in eval context for future use
Specifically, they are reserved for future support of arithmetic evaluation
contexts and evaluation pipelines, respectively.
Diffstat (limited to 'libbuild2/lexer.cxx')
| -rw-r--r-- | libbuild2/lexer.cxx | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libbuild2/lexer.cxx b/libbuild2/lexer.cxx index ff7be02..9b7d01e 100644 --- a/libbuild2/lexer.cxx +++ b/libbuild2/lexer.cxx @@ -120,8 +120,8 @@ namespace build2 // NOTE: remember to update special() lambda in parse_names() if // adding any new single-character tokens to the eval mode. // - s1 = ":<>=!&|?, $(){}#\t\n"; - s2 = " = &| "; + s1 = ":<>=!&|?,` $(){}#\t\n"; + s2 = " = & "; break; } case lexer_mode::buildspec: @@ -478,6 +478,7 @@ namespace build2 case '$': return make_token (type::dollar); case '?': return make_token (type::question); case ',': return make_token (type::comma); + case '`': return make_token (type::backtick); case '(': return make_token (type::lparen); case ')': { @@ -498,7 +499,7 @@ namespace build2 type r (type::eos); switch (c) { - case '|': if (p == '|') r = type::log_or; break; + case '|': r = (p == '|' ? type::log_or : type::bit_or); break; case '&': if (p == '&') r = type::log_and; break; case '<': r = (p == '=' ? type::less_equal : type::less); break; @@ -514,6 +515,7 @@ namespace build2 switch (r) { + case type::bit_or: case type::less: case type::greater: case type::log_not: break; |