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Parser

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- Plain arguments may only be upgraded to search patterns if they cannot be
  split into multiple lexemes, and do not canonicalize to an attribute name.
This commit is contained in:
Paul Beckingham
2014-06-25 22:04:56 -04:00
parent 8bad1591dc
commit e688176310
1 changed files with 15 additions and 11 deletions
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26
src/Parser.cpp
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@@ -1439,22 +1439,26 @@ void Parser::findPlainArgs ()
std::string raw = (*i)->attribute ("raw");
std::vector <std::string> lexed;
Lexer::token_split (lexed, raw);
if (lexed.size () == 1)
{
// This tag also prevents further expanѕion.
(*i)->tag ("PATTERN");
// Furthermore, the word must not canonicalize to an attribute name.
std::string canonical;
if (! canonicalize (canonical, "attribute", raw))
{
// This tag also prevents further expanѕion.
(*i)->tag ("PATTERN");
Tree* branch = (*i)->addBranch (new Tree ("argPat"));
branch->attribute ("raw", "description");
Tree* branch = (*i)->addBranch (new Tree ("argPat"));
branch->attribute ("raw", "description");
branch = (*i)->addBranch (new Tree ("argPat"));
branch->attribute ("raw", "~");
branch->tag ("OP");
branch = (*i)->addBranch (new Tree ("argPat"));
branch->attribute ("raw", "~");
branch->tag ("OP");
branch = (*i)->addBranch (new Tree ("argPat"));
branch->attribute ("raw", raw);
branch->tag ("STRING");
branch = (*i)->addBranch (new Tree ("argPat"));
branch->attribute ("raw", raw);
branch->tag ("STRING");
}
}
}
}