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| author | Andreas Stöckel <astoecke@techfak.uni-bielefeld.de> | 2015-03-31 23:49:44 +0200 |
|---|---|---|
| committer | Andreas Stöckel <astoecke@techfak.uni-bielefeld.de> | 2016-04-25 22:19:28 +0200 |
| commit | 5aed7c46cff192311a208dc5e9cf7f81a40771a8 (patch) | |
| tree | 4752441e30fb216bdb6dc43da008c6b0d828ad05 /src/core/parser/stack/TokenStack.cpp | |
| parent | e35445b4e8fecde55b93a4b92037aa0adf70d6d1 (diff) | |
Implement TokenStack::lookup method used to lookup the SyntaxDescriptors associated with a certain token.
Diffstat (limited to 'src/core/parser/stack/TokenStack.cpp')
| -rw-r--r-- | src/core/parser/stack/TokenStack.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/core/parser/stack/TokenStack.cpp b/src/core/parser/stack/TokenStack.cpp index c20c764..1c26a7c 100644 --- a/src/core/parser/stack/TokenStack.cpp +++ b/src/core/parser/stack/TokenStack.cpp @@ -30,6 +30,24 @@ void TokenStack::pushTokens(const std::vector<SyntaxDescriptor> &tokens, stack.push_back(tokens); } +TokenDescriptor TokenStack::lookup(TokenId token) const +{ + TokenDescriptor res; + if (!stack.empty()) { + for (const SyntaxDescriptor &descr : stack.back()) { + if (descr.close == token) { + res.close.emplace_back(descr); + } + if (descr.shortForm == token) { + res.shortForm.emplace_back(descr); + } + if (descr.open == token) { + res.open.emplace_back(descr); + } + } + } + return res; +} void TokenStack::popTokens() { stack.pop_back(); } TokenSet TokenStack::tokens() const |