96 lines
2.2 KiB
C++
96 lines
2.2 KiB
C++
#pragma once
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#include "c-buildcfg.hh"
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#include "c-filewatcher.hh"
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#include "c-opast.hh"
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#include "c-project.hh"
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#include <ebcl/SRDData.hh>
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/*= PARSER ===================================================================*/
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// Parser output. Consists in a root node as well as other details (table of
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// constants, data types, etc...)
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struct T_OpsParserOutput
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{
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opast::T_RootNode root;
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T_KeyValueTable< T_String , opast::E_DataType > types;
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};
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// The actual parser
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class T_OpsParser : public ebcl::A_PrivateImplementation
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{
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private:
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F_OPLogger logger_{ []( auto , auto ) { } };
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T_Array< ebcl::T_SRDError > errors_;
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T_OwnPtr< T_OpsParserOutput > output_;
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public:
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T_OpsParser( ) noexcept;
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void setLogger( F_OPLogger logger )
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{
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if ( logger ) {
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logger_ = std::move( logger );
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} else {
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logger_ = []( auto , auto ) { };
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}
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}
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bool parse( ebcl::T_SRDList const& input ) noexcept;
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T_Array< ebcl::T_SRDError > const& errors( ) const noexcept
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{ return errors_; }
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T_OwnPtr< T_OpsParserOutput > result( ) noexcept
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{ return std::move( output_ ); }
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};
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/*= COMPILER ===================================================================*/
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namespace ops { struct T_OpProgram; using P_OpProgram = T_OwnPtr< T_OpProgram >; }
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// Generates bytecode based on the type-checked tree produced by the parser
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class T_OpsCompiler : public ebcl::A_PrivateImplementation
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{
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public:
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T_OpsCompiler( ) noexcept;
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ops::P_OpProgram compile( T_OpsParserOutput const& input ) noexcept;
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};
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/*= SCRIPT MANAGER =============================================================*/
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// The script manager watches over the demo's script, attempting to reload it if
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// it is changed.
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class T_ScriptManager : public A_ProjectPathListener
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{
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public:
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T_ScriptManager( ) noexcept;
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~T_ScriptManager( );
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bool hasNewProgram( ) const noexcept
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{ return bool( output_ ); }
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ops::P_OpProgram program( ) noexcept
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{ return std::move( output_ ); }
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T_Array< ebcl::T_SRDError > const& errors( ) const noexcept
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{ return errors_; }
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private:
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T_String path_;
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T_WatchedFiles watcher_;
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T_OpsParser parser_;
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T_OpsCompiler compiler_;
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ops::P_OpProgram output_;
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T_Array< ebcl::T_SRDError > errors_;
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void loadScript( ) noexcept;
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protected:
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void projectPathChanged( ) noexcept override;
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};
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