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https://github.com/polserver/polserver
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6cc0d1698b
* trigger tidy * Automated clang-tidy change: modernize-use-using * compile test * unnamed struct fix? * more unnamed structs --------- Co-authored-by: Clang Tidy <clang-tidy@users.noreply.github.com>
66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
#ifndef POLSERVER_VARIABLES_H
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#define POLSERVER_VARIABLES_H
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include "bscript/compiler/model/SimpleTypes.h"
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#include "bscript/compiler/model/VariableScope.h"
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#include "bscript/compiler/model/WarnOn.h"
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#include "clib/maputil.h"
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namespace Pol::Bscript::Compiler
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{
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class Report;
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class SourceLocation;
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class Variable;
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class FunctionVariableScope;
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class Variables
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{
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public:
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Variables( VariableScope, Report& );
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std::shared_ptr<Variable> create( const std::string& name, BlockDepth, WarnOn,
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const SourceLocation& );
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std::shared_ptr<Variable> capture( std::shared_ptr<Variable>& );
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// Looks in parent and all ancestor function variable scopes
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[[nodiscard]] std::shared_ptr<Variable> find_in_ancestors( const std::string& name ) const;
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// Only looks in current function variable scope
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[[nodiscard]] std::shared_ptr<Variable> find( const std::string& name ) const;
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void restore_shadowed( std::shared_ptr<Variable> );
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void remove_all_but( unsigned count );
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[[nodiscard]] const std::vector<std::string>& get_names() const;
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[[nodiscard]] unsigned count() const;
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private:
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const VariableScope scope;
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Report& report;
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// Encapsulates the current variable stack across function expresions
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struct VariablesInfo
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{
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using VariableMap = std::map<std::string, std::shared_ptr<Variable>, Clib::ci_cmp_pred>;
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VariableMap variables_by_name;
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std::vector<std::string> names_by_index;
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};
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std::vector<VariablesInfo> variable_info_stack;
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VariablesInfo& current();
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// Used to reset the variable indexs for new function expressions
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friend class FunctionVariableScope;
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};
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} // namespace Pol::Bscript::Compiler
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#endif // POLSERVER_SCRIPTVARIABLES_H
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