294 lines
12 KiB
C
294 lines
12 KiB
C
/*************************************************************************
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* *
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* YAP Prolog %W% %G% *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: YapError.h * mods:
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** comments: error header file for YAP *
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* version: $Id: Yap.h,v 1.38 2008-06-18 10:02:27 vsc Exp $ *
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*************************************************************************/
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#ifndef YAP_ERROR_H
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#define YAP_ERROR_H 1
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#define ECLASS(CL, A, B) CL,
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#define E0(A, B) A,
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#define E(A, B, C) A,
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#define E1(A, B, C) A,
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#define E2(A, B, C, D) A,
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#define BEGIN_ERRORS() typedef enum {
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#define END_ERRORS() \
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} \
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yap_error_number
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#define BEGIN_ERROR_CLASSES() typedef enum {
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#define END_ERROR_CLASSES() \
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} \
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yap_error_class_number
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#include "YapErrors.h"
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#define MAX_ERROR_MSG_SIZE 1024
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extern void Yap_InitError__(const char *file, const char *function, int lineno,
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yap_error_number e, YAP_Term g, ...);
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extern struct yami *Yap_Error__(bool thrw, const char *file,
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const char *function, int lineno,
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yap_error_number err, YAP_Term wheret, ...);
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extern void Yap_ThrowError__(const char *file, const char *function, int lineno,
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yap_error_number err, YAP_Term wheret, ...)
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#ifndef MSC_VER
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__attribute__((noreturn))
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#endif
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;
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#define Yap_NilError(id, ...) \
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Yap_Error__(false, __FILE__, __FUNCTION__, __LINE__, id, TermNil, __VA_ARGS__)
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#define Yap_InitError(id, ...) \
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Yap_InitError__(__FILE__, __FUNCTION__, __LINE__, id, TermNil, __VA_ARGS__)
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#define Yap_Error(id, inp, ...) \
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Yap_Error__(false, __FILE__, __FUNCTION__, __LINE__, id, inp, __VA_ARGS__)
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#define Yap_ThrowError(id, inp, ...) \
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Yap_ThrowError__(__FILE__, __FUNCTION__, __LINE__, id, inp, __VA_ARGS__)
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#ifdef YAP_TERM_H
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/**
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* make sure next argument is a bound instance of type
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* atom.
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*/
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#define Yap_ensure_atom(T0, TF) \
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{ if ( (TF = Yap_ensure_atom__(__FILE__, __FUNCTION__, __LINE__, T0 ) == 0L ) return false; \
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}
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//INLINE_ONLY
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static Term Yap_ensure_atom__(const char *fu, const char *fi, int line,
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Term in) {
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Term t = Deref(in);
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// Term Context = Deref(ARG2);
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if (!IsVarTerm(t) && IsAtomTerm(t))
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return t;
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if (IsVarTerm(t)) {
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Yap_Error__(false, fu, fi, line, INSTANTIATION_ERROR, t, NULL);
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} else {
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if (IsAtomTerm(t))
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return t;
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Yap_Error__(false, fu, fi, line, TYPE_ERROR_ATOM, t, NULL);
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return 0L;
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}
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#endif
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#define JMP_LOCAL_ERROR(v, LAB) \
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if (H + 2 * (v) > ASP - 1024) { \
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LOCAL_Error_TYPE = RESOURCE_ERROR_STACK; \
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LOCAL_Error_Size = 2 * (v) * sizeof(CELL); \
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goto LAB; \
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}
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#define LOCAL_ERROR(t, v) \
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if (HR + (v) > ASP - 1024) { \
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LOCAL_Error_TYPE = RESOURCE_ERROR_STACK; \
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LOCAL_Error_Size = 2 * (v) * sizeof(CELL); \
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return NULL; \
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}
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#define LOCAL_TERM_ERROR(t, v) \
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if (HR + (v) > ASP - 1024) { \
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LOCAL_Error_TYPE = RESOURCE_ERROR_STACK; \
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LOCAL_Error_Size = 2 * (v) * sizeof(CELL); \
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return 0L; \
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}
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#define AUX_ERROR(t, n, s, TYPE) \
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if (s + (n + 1) > (TYPE *)AuxSp) { \
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pop_text_stack(lvl); \
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LOCAL_Error_TYPE = RESOURCE_ERROR_AUXILIARY_STACK; \
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LOCAL_Error_Size = n * sizeof(TYPE); \
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return NULL; \
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}
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#define AUX_TERM_ERROR(t, n, s, TYPE) \
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if (s + (n + 1) > (TYPE *)AuxSp) { \
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LOCAL_Error_TYPE = RESOURCE_ERROR_AUXILIARY_STACK; \
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LOCAL_Error_Size = n * sizeof(TYPE); \
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return 0L; \
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}
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#define JMP_AUX_ERROR(n, s, t, TYPE, LAB) \
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if (s + (n + 1) > (TYPE *)AuxSp) { \
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LOCAL_Error_TYPE = RESOURCE_ERROR_AUXILIARY_STACK; \
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LOCAL_Error_Size = n * sizeof(TYPE); \
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goto LAB; \
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}
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#define HEAP_ERROR(a, TYPE) \
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if (a == NIL) { \
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LOCAL_Error_TYPE = RESOURCE_ERROR_HEAP; \
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LOCAL_Error_Size = n * sizeof(TYPE); \
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return NULL; \
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}
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#define HEAP_TERM_ERROR(a, TYPE, n) \
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if (a == NIL) { \
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LOCAL_Error_TYPE = RESOURCE_ERROR_HEAP; \
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LOCAL_Error_Size = n * sizeof(TYPE); \
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return 0L; \
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}
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#define JMP_HEAP_ERROR(a, n, t, TYPE, LAB) \
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if (a == NIL) { \
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LOCAL_Error_TYPE = RESOURCE_ERROR_HEAP; \
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LOCAL_Error_Size = n * sizeof(TYPE); \
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goto LAB; \
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}
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/**
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* Error stages since it was initially processed.
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*
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* Notice that some of the stages may be active simultaneouly.
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*/
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typedef enum yap_error_status {
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/// where we like to be
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YAP_NO_ERROR_STATUS = 0x0,
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/// Prolog discovered the problem
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YAP_ERROR_INITIATED_IN_PROLOG = 0x1,
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/// The problem was found before the system can cope
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YAP_ERROR_INITIATED_IN_BOOT = 0x2,
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/// C-helper like must_ found out the problem
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YAP_ERROR_INITIATED_IN_HELPER = 0x4,
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/// C-builtin crashed
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YAP_ERROR_INITIATED_IN_SYSTEM_C = 0x8,
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/// user code crashed
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YAP_ERROR_INITIATED_IN_USER_C = 0x10,
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/// ok, we put a throw to be dispatched
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YAP_THROW_THROWN = 0x20,
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/// someone caught it
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YAP_THROW_CAUGHT = 0x40,
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/// error became an exception (usually SWIG bridge)
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YAP_ERROR_EXPORTED_TO_CXX = 0x80,
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/// handle error in Prolog
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YAP_ERROR_BEING_PROCESSED_IN_PROLOG = 0x100
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/// go back t
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} yap_error_stage_t;
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/// a Prolog goal that caused a bug
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typedef struct yap_error_prolog_source {
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intptr_t prologPredCl;
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uintptr_t prologPredLine;
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uintptr_t prologPredFirstLine;
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uintptr_t prologPredLastLine;
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const char *prologPredName;
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uintptr_t prologPredArity;
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const char *prologPredModule;
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const char *prologPredFile;
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void *errorGoal;
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struct error_prolog_source *errorParent;
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} yap_error_prolog_source_t;
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/// all we need to know about an error/throw
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typedef struct s_yap_error_descriptor {
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/// error identifier
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yap_error_number errorNo;
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/// kind of error: derived from errorNo;
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yap_error_class_number errorClass;
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/// if non-NULL: goal who caused error;
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const char *errorGoal;
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/// errorNo as text
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const char *errorAsText;
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/// errorClass as text
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const char *classAsText;
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/// c-code that generated the error
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/// C-line
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intptr_t errorLine;
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/// C-function
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const char *errorFunction;
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/// C-file
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const char *errorFile;
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// struct error_prolog_source *errorSource;
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/// Prolog predicate that caused the error: name
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const char *prologPredName;
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/// Prolog predicate that caused the error:arity
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uintptr_t prologPredArity;
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/// Prolog predicate that caused the error:module
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const char *prologPredModule;
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/// Prolog predicate that caused the error:line
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const char *prologPredFile;
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/// line where error clause defined
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uintptr_t prologPredLine;
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/// syntax and other parsing errors
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uintptr_t parserPos;
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uintptr_t parserFirstPos;
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uintptr_t parserLastPos;
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uintptr_t parserLine;
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uintptr_t parserFirstLine;
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uintptr_t parserLastLine;
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const char *parserTextA;
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const char *parserTextB;
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const char *parserFile;
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/// reading a clause, or called from read?
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bool parserReadingCode;
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/// whether we are consulting
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bool prologConsulting;
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const char *culprit;
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/// Prolog stack at the time
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const char *prologStack;
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YAP_Term errorRawTerm, rawExtraErrorTerm;
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char *errorMsg;
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size_t errorMsgLen;
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struct s_yap_error_descriptor *top_error;
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} yap_error_descriptor_t;
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/// compatibility with existing code..
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#define LOCAL_Error_TYPE LOCAL_ActiveError->errorNo
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#define LOCAL_Error_File LOCAL_ActiveError->errorFile
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#define LOCAL_Error_Function LOCAL_ActiveError->errorFunction
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#define LOCAL_Error_Lineno LOCAL_ActiveError->errorLine
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#define LOCAL_Error_Size LOCAL_ActiveError->errorMsgLen
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#define LOCAL_RawTerm LOCAL_ActiveError->errorRawTerm
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#define LOCAL_ErrorMessage LOCAL_ActiveError->errorMsg
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extern void Yap_CatchError(void);
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extern void Yap_ThrowExistingError(void);
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extern YAP_Term Yap_MkFullError(void);
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extern bool Yap_MkErrorRecord(
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yap_error_descriptor_t * r, const char *file, const char *function,
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int lineno, yap_error_number type, YAP_Term where, const char *msg);
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extern yap_error_descriptor_t *Yap_pc_add_location(
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yap_error_descriptor_t * t, void *pc0, void *b_ptr0, void *env0);
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extern yap_error_descriptor_t *Yap_env_add_location(
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yap_error_descriptor_t * t, void *cp0, void *b_ptr0, void *env0,
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YAP_Int ignore_first);
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extern const char *Yap_dump_stack(void);
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extern yap_error_descriptor_t *Yap_prolog_add_culprit(yap_error_descriptor_t *
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t);
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extern yap_error_class_number Yap_errorClass(yap_error_number e);
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extern const char *Yap_errorName(yap_error_number e);
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extern const char *Yap_errorClassName(yap_error_class_number e);
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extern bool Yap_pushErrorContext(bool pass,
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yap_error_descriptor_t *new_error);
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extern yap_error_descriptor_t *Yap_popErrorContext(bool oerr, bool pass);
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#define must_be_variable(t) if (!IsVarTerm(t)) Yap_ThrowError(UNINSTANTIATION_ERROR, v, NULL)
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#endif
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