openscad/src/context.h

55 lines
1.7 KiB
C++

#pragma once
#include <string>
#include <vector>
#include <boost/unordered_map.hpp>
#include "value.h"
#include "typedefs.h"
#include "memory.h"
class Context
{
public:
typedef std::vector<const Context*> Stack;
Context(const Context *parent = NULL);
virtual ~Context();
const Context *getParent() const { return this->parent; }
virtual ValuePtr evaluate_function(const std::string &name, const class EvalContext *evalctx) const;
virtual class AbstractNode *instantiate_module(const class ModuleInstantiation &inst, EvalContext *evalctx) const;
void setVariables(const AssignmentList &args,
const class EvalContext *evalctx = NULL);
void set_variable(const std::string &name, const ValuePtr &value);
void set_variable(const std::string &name, const Value &value);
void set_constant(const std::string &name, const ValuePtr &value);
void set_constant(const std::string &name, const Value &value);
void apply_variables(const Context &other);
ValuePtr lookup_variable(const std::string &name, bool silent = false) const;
bool has_local_variable(const std::string &name) const;
void setDocumentPath(const std::string &path) { this->document_path = path; }
const std::string &documentPath() const { return this->document_path; }
std::string getAbsolutePath(const std::string &filename) const;
public:
protected:
const Context *parent;
Stack *ctx_stack;
typedef boost::unordered_map<std::string, ValuePtr> ValueMap;
ValueMap constants;
ValueMap variables;
ValueMap config_variables;
std::string document_path; // FIXME: This is a remnant only needed by dxfdim
public:
#ifdef DEBUG
virtual std::string dump(const class AbstractModule *mod, const ModuleInstantiation *inst);
#endif
};