diff options
Diffstat (limited to 'src/nodes.cc')
| -rw-r--r-- | src/nodes.cc | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/nodes.cc b/src/nodes.cc index 1ab1502..9ef0e6a 100644 --- a/src/nodes.cc +++ b/src/nodes.cc @@ -1,5 +1,6 @@ #include "nodes.h" #include "utils.h" +#include "tree.h" #include "exceptions.h" #include <cmath> @@ -94,11 +95,22 @@ TokenType OperatorNode::getToken() { return this->operator_; } -ConstantNode::ConstantNode(std::string identifier): - identifier_(identifier) { } +ConstantNode::ConstantNode(std::string identifier, + const ConstantMap* constants): + identifier_(identifier), + constants_(constants) { } double ConstantNode::solve() { - + if ( this->constants_ != nullptr ) { + try { + return this->constants_->at(this->identifier_); + } + catch ( std::out_of_range &e ) { + throw identifier_exception(); + } + } else { + throw identifier_exception(); + } } NodeType ConstantNode::getType() { |