pascal::StringFunctionHandler Class Reference

Built-in handler for string library functions (length, copy, concat, etc.). More...

#include <icode.hpp>

Inheritance diagram for pascal::StringFunctionHandler:

Private 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.

Additional Inherited Members
Public Member Functions inherited from pascal::BuiltinFunctionHandler
virtual	~BuiltinFunctionHandler ()=default

Detailed Description

Built-in handler for string library functions (length, copy, concat, etc.).

Definition at line 147 of file icode.hpp.

Member Function Documentation

canHandle()

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

overrideprivatevirtual

Return true if this handler implements funcName.

Implements pascal::BuiltinFunctionHandler.

Definition at line 897 of file icode_imp.cpp.

References pascal::toLower().

generate()

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

overrideprivatevirtual

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

Implements pascal::BuiltinFunctionHandler.

Definition at line 912 of file icode_imp.cpp.

References generateWithResult().

generateWithResult()

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

overrideprivatevirtual

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

Reimplemented from pascal::BuiltinFunctionHandler.

Definition at line 918 of file icode_imp.cpp.

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

Referenced by generate().

getReturnType()

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

overrideprivatevirtual

Return the VarType produced by funcName.

Reimplemented from pascal::BuiltinFunctionHandler.

Definition at line 903 of file icode_imp.cpp.

References pascal::INT, pascal::PTR, 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