polserver/pol-core/bscript/compiler/model/Variable.h
Eric Swanson 9bbc0518f8
Compiler rewrite: add global variables (#241)
Adds support for var statements at the global level.

Adds:
- analyzer/Variables: keeps track of the variables in scope (either local or global).
- ast/Identifier: AST node for an identifier.
  - The optimizer will replace constant identifiers with their constant value (in a later commit).
  - The semantic analyzer will set the variable field for local or global variable identifiers.
- ast/VarStatement: AST node for a var statement.
  - A single var statement will generate one VarStatement per variable declared.
- model/Variable: Describes a variable, including its index within its scope.
2020-08-25 00:57:03 -07:00

34 lines
718 B
C++

#ifndef POLSERVER_VARIABLE_H
#define POLSERVER_VARIABLE_H
#include "compiler/model/VariableScope.h"
#include "compiler/model/WarnOn.h"
#include <string>
namespace Pol::Bscript::Compiler
{
class SourceLocation;
class Variable
{
public:
Variable( VariableScope, std::string name, unsigned block_depth, size_t index, WarnOn,
const SourceLocation& source_location );
void mark_used();
[[nodiscard]] bool was_used() const;
const VariableScope scope;
const std::string name;
const unsigned block_depth;
const size_t index;
const WarnOn warn_on;
const SourceLocation& source_location;
private:
bool used;
};
} // namespace Pol::Bscript::Compiler
#endif // POLSERVER_SCRIPTVARIABLE_H