ArkScript
A small, fast, functional and scripting language for video games
Symbol.cpp
Go to the documentation of this file.
1#include <Ark/Compiler/Macros/Executors/Symbol.hpp>
2
3namespace Ark::internal
4{
5 bool SymbolExecutor::canHandle(Node& node)
6 {
7 return node.nodeType() == NodeType::Symbol;
8 }
9
10 bool SymbolExecutor::applyMacro(Node& node)
11 {
12 if (const Node* macro = findNearestMacro(node.string()); macro != nullptr)
13 {
14 // !{name value}
15 if (macro->constList().size() == 2)
16 {
17 node = macro->constList()[1];
18 return true;
19 }
20 }
21
22 return false;
23 }
24}
Symbol.hpp
Executor for Symbol Macros.
Ark::internal::MacroExecutor::findNearestMacro
const Node * findNearestMacro(const std::string &name) const
Find the nearest macro matching a giving name.
Definition: Executor.cpp:15
Ark::internal::Node
A node of an Abstract Syntax Tree for ArkScript.
Definition: Node.hpp:29
Ark::internal::Node::nodeType
NodeType nodeType() const noexcept
Return the node type.
Definition: Node.cpp:126
Ark::internal::Node::string
const std::string & string() const noexcept
Return the string held by the value (if the node type allows it)
Definition: Node.cpp:92
Ark::internal::Node::constList
const std::vector< Node > & constList() const noexcept
Return the list of sub-nodes held by the node.
Definition: Node.cpp:119
Ark::internal::SymbolExecutor::applyMacro
bool applyMacro(Node &node) override
Executes macros in the Node if the Executor can handle it.
Definition: Symbol.cpp:10
Ark::internal::SymbolExecutor::canHandle
bool canHandle(Node &node) override
Checks if the executor can apply a macro on the passed Node.
Definition: Symbol.cpp:5