pascal::StdFunctionHandler Class Reference

Built-in handler for standard library functions (chr, ord, inc, dec, etc.). More...

#include <icode.hpp>

Inheritance diagram for pascal::StdFunctionHandler:

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.
Public Member Functions inherited from pascal::BuiltinFunctionHandler
virtual	~BuiltinFunctionHandler ()=default
virtual VarType	getReturnType (const std::string &funcName) const
	Return the VarType produced by funcName.

Detailed Description

Built-in handler for standard library functions (chr, ord, inc, dec, etc.).

Definition at line 139 of file icode.hpp.

Member Function Documentation

canHandle()

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

overridevirtual

Return true if this handler implements funcName.

Implements pascal::BuiltinFunctionHandler.

Definition at line 224 of file icode_imp.cpp.

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

generate()

void pascal::StdFunctionHandler::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 228 of file icode_imp.cpp.

References pascal::CodeGenVisitor::allocReg(), pascal::CodeGenVisitor::emit(), pascal::CodeGenVisitor::emit2(), pascal::CodeGenVisitor::emit4(), pascal::CodeGenVisitor::emit_invoke(), pascal::CodeGenVisitor::ensurePtrBase(), pascal::CodeGenVisitor::eval(), pascal::CodeGenVisitor::freeReg(), pascal::CodeGenVisitor::isReg(), and pascal::CodeGenVisitor::usedModules.

generateWithResult()

bool pascal::StdFunctionHandler::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 292 of file icode_imp.cpp.

References pascal::CodeGenVisitor::allocFloatReg(), pascal::CodeGenVisitor::allocReg(), pascal::DOUBLE, pascal::CodeGenVisitor::emit(), pascal::CodeGenVisitor::emit2(), pascal::CodeGenVisitor::emit_invoke(), pascal::CodeGenVisitor::eval(), pascal::CodeGenVisitor::freeFloatReg(), pascal::CodeGenVisitor::freeReg(), pascal::CodeGenVisitor::getExpressionType(), pascal::CodeGenVisitor::isFloatReg(), pascal::CodeGenVisitor::isParmReg(), pascal::CodeGenVisitor::isReg(), pascal::CodeGenVisitor::pushValue(), and pascal::CodeGenVisitor::usedModules.

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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