pascal::FileFunctionHandler Class Reference

Built-in handler for Pascal file I/O procedures (assign, reset, rewrite, append, close, eof, eoln). More...

#include <icode.hpp>

Inheritance diagram for pascal::FileFunctionHandler:

Public Member Functions
bool	canHandle (const std::string &funcName) const override
	Return true if this handler implements funcName.
void	generate (CodeGenVisitor &visitor, const std::string &funcName, const std::vector< std::unique_ptr< ASTNode > > &arguments) override
	Emit code for a procedure-style call (no return value used).
bool	generateWithResult (CodeGenVisitor &visitor, const std::string &funcName, const std::vector< std::unique_ptr< ASTNode > > &arguments) override
	Emit code for a function-style call (result pushed on eval stack); return true if handled.
VarType	getReturnType (const std::string &funcName) const override
	Return the VarType produced by funcName.
Public Member Functions inherited from pascal::BuiltinFunctionHandler
virtual	~BuiltinFunctionHandler ()=default

Detailed Description

Built-in handler for Pascal file I/O procedures (assign, reset, rewrite, append, close, eof, eoln).

Definition at line 163 of file icode.hpp.

Member Function Documentation

canHandle()

bool pascal::FileFunctionHandler::canHandle ( const std::string & funcName ) const

overridevirtual

Return true if this handler implements funcName.

Implements pascal::BuiltinFunctionHandler.

Definition at line 988 of file icode_imp.cpp.

References pascal::fileFunctions, and pascal::toLower().

generate()

void pascal::FileFunctionHandler::generate ( CodeGenVisitor & visitor, const std::string & funcName, const std::vector< std::unique_ptr< ASTNode > > & arguments )

overridevirtual

Emit code for a procedure-style call (no return value used).

Implements pascal::BuiltinFunctionHandler.

Definition at line 992 of file icode_imp.cpp.

References pascal::CodeGenVisitor::allocReg(), pascal::CodeGenVisitor::emit(), pascal::CodeGenVisitor::emit2(), pascal::CodeGenVisitor::emit_invoke(), pascal::CodeGenVisitor::eval(), pascal::CodeGenVisitor::fileVarNames, pascal::CodeGenVisitor::findMangledName(), pascal::CodeGenVisitor::freeReg(), pascal::CodeGenVisitor::internString(), pascal::CodeGenVisitor::isParmReg(), pascal::CodeGenVisitor::isReg(), pascal::CodeGenVisitor::slotVar(), pascal::toLower(), pascal::CodeGenVisitor::usedModules, and pascal::CodeGenVisitor::varSlot.

generateWithResult()

bool pascal::FileFunctionHandler::generateWithResult ( CodeGenVisitor & visitor, const std::string & funcName, const std::vector< std::unique_ptr< ASTNode > > & arguments )

overridevirtual

Emit code for a function-style call (result pushed on eval stack); return true if handled.

Reimplemented from pascal::BuiltinFunctionHandler.

Definition at line 1069 of file icode_imp.cpp.

References pascal::CodeGenVisitor::allocReg(), pascal::CodeGenVisitor::emit(), pascal::CodeGenVisitor::emit2(), pascal::CodeGenVisitor::emit_invoke(), pascal::CodeGenVisitor::eval(), pascal::CodeGenVisitor::freeReg(), pascal::CodeGenVisitor::isParmReg(), pascal::CodeGenVisitor::isReg(), pascal::CodeGenVisitor::pushValue(), pascal::toLower(), and pascal::CodeGenVisitor::usedModules.

getReturnType()

VarType pascal::FileFunctionHandler::getReturnType ( const std::string & funcName ) const

overridevirtual

Return the VarType produced by funcName.

Reimplemented from pascal::BuiltinFunctionHandler.

Definition at line 1097 of file icode_imp.cpp.

References pascal::INT, pascal::toLower(), and pascal::UNKNOWN.

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The documentation for this class was generated from the following files:

• src/frontend/include/icode.hpp
• src/frontend/icode_imp.cpp