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/* ASCEND modelling environment
Copyright (C) 1996 Benjamin Andrew Allan
Copyright (C) 2007 Carnegie Mellon University
This program 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 2, or (at your option)
any later version.
This program 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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*//** @file
Ascend Type Definition Lint Module.
This module provides some lint-like functionality for ascend type
definitions. That is, it checks for the most obvious sorts of blunders
but due to the nature of the ascend language, not all can be
conveniently checked for.
This implementation is merely a start. It needs to be much better.
@TODO upgrade type definition lint module.
*//**
by Benjamin Andrew Allan, 9/16/96
Last in CVS: $Revision: 1.27 $ $Date: 1998/04/21 23:50:10 $ $Author: ballan $
*/
#ifndef ASC_TYPELINT_H
#define ASC_TYPELINT_H
#include <ascend/general/list.h>
#include <ascend/general/platform.h>
#include "compiler.h"
#include "stattypes.h"
/** @addtogroup compiler_type Compiler Type Description
@{
*/
/**
* if TLINT_STYLE == TRUE, then style messages should be issued.
* Likewise for the other levels of messaging.
*/
#define TLINT_STYLE (1 >= g_parser_warnings)
#define TLINT_WARNING (2 >= g_parser_warnings)
#define TLINT_ERROR (3 >= g_parser_warnings)
#define TLINT_FATAL (4 >= g_parser_warnings)
enum typelinterr {
DEF_OKAY = 0,
DEF_NAME_DUPLICATE = 1,
DEF_NAME_INCORRECT = 2,
DEF_NAME_MISSING = 3,
DEF_FUNC_UNDEFINED = 4,
DEF_ILLEGAL_RHS = 5,
DEF_ILLEGAL = 6,
DEF_ILLEGAL_PARAM = 7,
DEF_STAT_MISLOCATED = 8,
DEF_MULTI_PARAM = 9,
DEF_VALUEPARAM_BAD = 10,
DEF_REASSIGNED_PARAM = 11,
DEF_ILLEGAL_VALPAR = 12,
DEF_ILLEGAL_INREL = 13,
DEF_ILLEGAL_CASGN = 14,
DEF_ARGNUM_INCORRECT = 15,
DEF_ARGS_INCORRECT = 16,
DEF_PARAM_MODIFIED = 17,
DEF_CASGN_INCORRECT = 18,
DEF_ASGN_INCORRECT = 19,
DEF_ILLEGAL_ASGN = 20,
DEF_ILLEGAL_REFINE = 21,
DEF_FOR_SHADOW = 22,
DEF_ILLEGAL_AA = 23,
DEF_ILLPARAM_AA = 24,
DEF_ILLARRAY_AA = 25,
DEF_ILLEGAL_WBTS = 26,
DEF_UNIMPLEMENTED_WB = 27,
DEF_ARR_INCORRECT = 28,
DEF_ILLEGAL_FORSET = 29,
DEF_ILLEGAL_SELECT = 30,
DEF_TOOMANY_RELOP = 31,
DEF_TOOMANY_LOGOP = 32,
DEF_USE_NOTWHEN = 33,
DEF_FOR_NOTMETH = 34,
DEF_FOR_NOTBODY = 35,
DEF_ILLEGAL_ATS = 36,
DEF_STAT_BODYASGN = 37,
DEF_ILLEGAL_BREAK = 38,
DEF_ILLEGAL_CONTINUE = 39,
DEF_ILLEGAL_FALLTHRU = 40,
DEF_ARGDEF_INCORRECT = 41,
DEF_RELARRAY_SUBS = 42,
DEF_FOR_NOTCHECK = 43,
DEF_FOR_NOTEXPECT = 44,
DEF_MISC_STYLE = 45,
DEF_MISC_WARNING = 46,
DEF_MISC_ERROR = 47,
DEF_UNKNOWN_ERR
};
extern void TypeLintError(FILE *file,
CONST struct Statement *statement,
enum typelinterr error_code);
/**<
Writes a message describing the error and giving the statement to
the file given.
file and statement should not be NULL.
Message will be suppressed if g_parse_warnings is high enough.
*/
extern void TypeLintErrorAuxillary(FILE *file,
char *string,
enum typelinterr error_code,
int uselabel);
/**<
* Writes a string describing the error in some context to the
* the file given.
* file and string should not be NULL.
* If uselabel is TRUE, writes the label appropriate to the level of
* error_code.
* Message will be suppressed if g_parse_warnings is high enough.
*/
extern void TypeLintName(FILE *file,
CONST struct Name *name,
char *mesg);
/**<
* Writes a message followed by the name and a newline to the file given.
* No NULL arguments allowed.
*/
#define TLNM(f,n,m,l) TypeLintNameMsg((f),(n),(m),(l))
extern void TypeLintNameMsg(FILE *file,
CONST struct Name *name,
char *mesg,
int level);
/**<
* Writes a message followed by the name and a newline to the file given.
* Uses the StatioLabel matching level given here.
* No NULL arguments allowed.
* Message will be suppressed if level < g_parse_warnings.
*/
extern void TypeLintNameNode(FILE *file,
CONST struct Name *name,
char *mesg);
/**<
* Writes a message followed by the first element of name and a newline
* to the file given.
* No NULL arguments allowed.
*/
#define TLNNE(f,n,m) TypeLintNameNodeMsg((f),(n),(m))
extern void TypeLintNameNodeMsg(FILE *file,
const struct Name *name, char *mesg
);
/**<
* Writes a message followed by the first element of name and a newline
* to the file given.
* Uses the StatioLabel matching level given here.
* Message will be suppressed if level < g_parse_warnings.
* No NULL arguments allowed.
*/
/*
* Below, less ambitious lint functions.
* These 'Illegal' functions check statements for semantic
* errors that can be detected WITHOUT knowing the overall
* namespace implied by the statement list.
*/
extern enum typelinterr
TypeLintIllegalBodyStats(FILE *fp,
symchar *typename,
CONST struct StatementList *statements,
unsigned int context);
/**<
* Checks all statements for type legality, i.e.
* is the statement of a type allowed in body and are any
* rhs types referred to at least minimally legal in the body?
* Currently, IF, WILL_BE, RUN disallowed.
* Also, many places where compound names are illegal but yacc-able
* this traps. Spews per error to fp.
* Returns DEF_OKAY under normal circumstances,
* DEF_ILLEGAL or more specific error when unhappy.
* context should normally be context_MODEL |'d with other context_#
* flags as needed.
*/
extern enum typelinterr
TypeLintIllegalParamStats(FILE *fp,
symchar *typename,
CONST struct StatementList *statements);
/**<
* Checks all statements for type legality, i.e.
* is the statement of a type allowed in parameter list and are any
* rhs types referred to at least minimally legal in the parameter list?
* Currently only IS_A WILL_BE are allowed.
* Also, where compound names are illegal but yacc-able
* this traps. Spews per error to fp.
* Returns DEF_OKAY under normal circumstances,
* DEF_ILLEGAL or other when unhappy.
*/
extern enum typelinterr
TypeLintIllegalWhereStats(FILE *fp,
symchar *typename,
CONST struct StatementList *statements);
/**<
* Checks all statements for type legality, i.e.
* is the statement of a type allowed in WHERE list.
* Currently only WILL_BE_THE_SAME allowed.
* Spews per error to fp.
* Returns DEF_OKAY under normal circumstances,
* DEF_ILLEGAL or other when unhappy.
*/
extern enum typelinterr
TypeLintIllegalReductionStats(FILE *fp,
symchar *typename,
CONST struct StatementList *statements);
/**<
* Checks all statements for type legality, i.e.
* is the statement of a type allowed in reduction list?
* Currently only CASGN allowed.
* Returns DEF_OKAY under normal circumstances,
* DEF_ILLEGAL or other when unhappy.
*/
extern enum typelinterr
TypeLintIllegalMethodStats(FILE *fp,
symchar *typename,
struct gl_list_t *pl,
unsigned int context);
/**<
* Checks all init procedures for type legality, i.e.
* is the statement of a type allowed in a method.
* Returns DEF_OKAY under normal circumstances,
* DEF_ILLEGAL or other when unhappy.
* DS: (clarification) Selection is done based on "case" fallthrough;
* adding a new statement token before FNAME case will not allow the new
* statement type inside a method
*/
/* @} */
#endif /* ASC_TYPELINT_H */
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