procedural aql

Part one of abstraction value redesign, A huge extension of cli syntax.

alib2cli/src/ast/command/VarDeclareCommand.h

+#ifndef _CLI_VAR_DECLARE_COMMAND_H_
+#define _CLI_VAR_DECLARE_COMMAND_H_
+
+#include <ast/Command.h>
+#include <environment/Environment.h>
+
+namespace cli {
+
+class VarDeclareCommand : public Command {
+	std::unique_ptr < cli::Arg > m_name;
+	abstraction::ParamQualifiers::ParamQualifierSet m_paramQualifierSet;
+	std::unique_ptr < Expression > m_expr;
+
+public:
+	VarDeclareCommand ( std::unique_ptr < cli::Arg > name, abstraction::ParamQualifiers::ParamQualifierSet paramQualifierSet, std::unique_ptr < Expression > expr ) : m_name ( std::move ( name ) ), m_paramQualifierSet ( paramQualifierSet ), m_expr ( std::move ( expr ) ) {
+	}
+
+	CommandResult run ( Environment & environment ) const override {
+		std::shared_ptr < abstraction::Value > value = m_expr->translateAndEval ( environment );
+		std::shared_ptr < abstraction::Value > res = value->clone ( m_paramQualifierSet, false );
+		environment.setVariable ( m_name->eval ( environment ), res );
+		return CommandResult::OK;
+	}
+};
+
+} /* namespace cli */
+
+#endif /* _CLI_VAR_DECLARE_COMMAND_H_ */