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(* M2RTS.def Implements the run time system facilities of Modula-2.
Copyright (C) 2001-2023 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Modula-2 is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. *)
DEFINITION MODULE M2RTS ;
FROM SYSTEM IMPORT ADDRESS ;
TYPE
ArgCVEnvP = PROCEDURE (INTEGER, ADDRESS, ADDRESS) ;
PROCEDURE ConstructModules (applicationmodule, libname: ADDRESS;
argc: INTEGER; argv, envp: ADDRESS) ;
PROCEDURE DeconstructModules (applicationmodule, libname: ADDRESS;
argc: INTEGER; argv, envp: ADDRESS) ;
(*
RegisterModule - adds module name to the list of outstanding
modules which need to have their dependencies
explored to determine initialization order.
*)
PROCEDURE RegisterModule (name, libname: ADDRESS;
init, fini: ArgCVEnvP;
dependencies: PROC) ;
(*
RequestDependant - used to specify that modulename is dependant upon
module dependantmodule.
*)
PROCEDURE RequestDependant (modulename, libname,
dependantmodule, dependantlibname: ADDRESS) ;
(*
InstallTerminationProcedure - installs a procedure, p, which will
be called when the procedure
ExecuteTerminationProcedures
is invoked. It returns TRUE is the
procedure is installed.
*)
PROCEDURE InstallTerminationProcedure (p: PROC) : BOOLEAN ;
(*
ExecuteInitialProcedures - executes the initial procedures installed
by InstallInitialProcedure.
*)
PROCEDURE ExecuteInitialProcedures ;
(*
InstallInitialProcedure - installs a procedure to be executed just
before the BEGIN code section of the main
program module.
*)
PROCEDURE InstallInitialProcedure (p: PROC) : BOOLEAN ;
(*
ExecuteTerminationProcedures - calls each installed termination procedure
in reverse order.
*)
PROCEDURE ExecuteTerminationProcedures ;
(*
Terminate - provides compatibility for pim. It call exit with
the exitcode provided in a prior call to ExitOnHalt
(or zero if ExitOnHalt was never called). It does
not call ExecuteTerminationProcedures.
*)
PROCEDURE Terminate <* noreturn *> ;
(*
HALT - terminate the current program. The procedure Terminate
is called before the program is stopped. The parameter
exitcode is optional. If the parameter is not supplied
HALT will call libc 'abort', otherwise it will exit with
the code supplied. Supplying a parameter to HALT has the
same effect as calling ExitOnHalt with the same code and
then calling HALT with no parameter.
*)
PROCEDURE HALT ([exitcode: INTEGER = -1]) <* noreturn *> ;
(*
Halt - provides a more user friendly version of HALT, which takes
four parameters to aid debugging. It writes an error message
to stderr and calls exit (1).
*)
PROCEDURE Halt (filename: ARRAY OF CHAR; line: CARDINAL;
function: ARRAY OF CHAR; description: ARRAY OF CHAR)
<* noreturn *> ;
(*
HaltC - provides a more user friendly version of HALT, which takes
four parameters to aid debugging. It writes an error message
to stderr and calls exit (1).
*)
PROCEDURE HaltC (filename: ADDRESS; line: CARDINAL;
function, description: ADDRESS) <* noreturn *> ;
(*
ExitOnHalt - if HALT is executed then call exit with the exit code, e.
*)
PROCEDURE ExitOnHalt (e: INTEGER) ;
(*
ErrorMessage - emits an error message to stderr and then calls exit (1).
*)
PROCEDURE ErrorMessage (message: ARRAY OF CHAR;
filename: ARRAY OF CHAR;
line: CARDINAL;
function: ARRAY OF CHAR) <* noreturn *> ;
(*
Length - returns the length of a string, a. This is called whenever
the user calls LENGTH and the parameter cannot be calculated
at compile time.
*)
PROCEDURE Length (a: ARRAY OF CHAR) : CARDINAL ;
(*
The following are the runtime exception handler routines.
*)
PROCEDURE AssignmentException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE ReturnException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE IncException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE DecException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE InclException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE ExclException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE ShiftException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE RotateException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE StaticArraySubscriptException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE DynamicArraySubscriptException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE ForLoopBeginException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE ForLoopToException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE ForLoopEndException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE PointerNilException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE NoReturnException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE CaseException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE WholeNonPosDivException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE WholeNonPosModException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE WholeZeroDivException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE WholeZeroRemException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE WholeValueException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE RealValueException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE ParameterException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
PROCEDURE NoException (filename: ADDRESS; line, column: CARDINAL; scope, message: ADDRESS) <* noreturn *> ;
END M2RTS.
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