diff options
Diffstat (limited to 'context.cc')
| -rw-r--r-- | context.cc | 34 |
1 files changed, 31 insertions, 3 deletions
@@ -20,25 +20,53 @@ #include "openscad.h" +Context::Context(const Context *parent) +{ + this->parent = parent; + ctx_stack.append(this); +} + +Context::~Context() +{ + ctx_stack.pop_back(); +} + void Context::args(const QVector<QString> &argnames, const QVector<Expression*> &argexpr, const QVector<QString> &call_argnames, const QVector<Value> &call_argvalues) { for (int i=0; i<argnames.size(); i++) { - variables[argnames[i]] = i < argexpr.size() && argexpr[i] ? argexpr[i]->evaluate(this->parent) : Value(); + set_variable(argnames[i], i < argexpr.size() && argexpr[i] ? argexpr[i]->evaluate(this->parent) : Value()); } int posarg = 0; for (int i=0; i<call_argnames.size(); i++) { if (call_argnames[i].isEmpty()) { - variables[argnames[posarg++]] = call_argvalues[i]; + set_variable(argnames[posarg++], call_argvalues[i]); } else { - variables[call_argnames[i]] = call_argvalues[i]; + set_variable(call_argnames[i], call_argvalues[i]); } } } +QVector<const Context*> Context::ctx_stack; + +void Context::set_variable(QString name, Value value) +{ + if (name.startsWith("$")) + config_variables[name] = value; + else + variables[name] = value; +} + Value Context::lookup_variable(QString name) const { + if (name.startsWith("$")) { + for (int i = ctx_stack.size()-1; i >= 0; i--) { + if (ctx_stack[i]->config_variables.contains(name)) + return ctx_stack[i]->config_variables[name]; + } + return Value(); + } if (variables.contains(name)) return variables[name]; if (parent) |