diff options
author | Skip Montanaro <skip@pobox.com> | 2007-08-16 14:35:24 (GMT) |
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committer | Skip Montanaro <skip@pobox.com> | 2007-08-16 14:35:24 (GMT) |
commit | 7a98be2efbdc44a6271e3bf6117a1e6c77828414 (patch) | |
tree | 64b6306494f992605ef5bd854dfc9e4922f8b967 /RISCOS/Modules/swimodule.c | |
parent | c5aba174477a4bdbda31d859ce407c6ee7cef293 (diff) | |
download | cpython-7a98be2efbdc44a6271e3bf6117a1e6c77828414.zip cpython-7a98be2efbdc44a6271e3bf6117a1e6c77828414.tar.gz cpython-7a98be2efbdc44a6271e3bf6117a1e6c77828414.tar.bz2 |
Remove RISCOS support
Diffstat (limited to 'RISCOS/Modules/swimodule.c')
-rw-r--r-- | RISCOS/Modules/swimodule.c | 575 |
1 files changed, 0 insertions, 575 deletions
diff --git a/RISCOS/Modules/swimodule.c b/RISCOS/Modules/swimodule.c deleted file mode 100644 index b241276..0000000 --- a/RISCOS/Modules/swimodule.c +++ /dev/null @@ -1,575 +0,0 @@ -/* swi - - RISC OS swi functions - - 1.00 Chris Stretch - - - 1.01 12 May 1999 Laurence Tratt - - * Changed swi.error to be a class based exception rather than string based - * Added swi.ArgError which is generated for errors when the user passes invalid arguments to - functions etc - * Added "errnum" attribute to swi.error, so one can now check to see what the error number was - - 1.02 03 March 2002 Dietmar Schwertberger - * Added string, integer, integers, tuple and tuples -*/ - -#include "oslib/os.h" -#include <kernel.h> -#include "Python.h" - - -#define PyBlock_Check(op) ((op)->ob_type == &PyBlockType) - - -static PyObject *SwiError; /* Exception swi.error */ -static PyObject *ArgError; /* Exception swi.ArgError */ -static os_error *e; - -static PyObject *swi_oserror(void) -{ PyErr_SetString(SwiError,e->errmess); - PyObject_SetAttrString(PyErr_Occurred(), "errnum", PyInt_FromLong(e->errnum)); - return 0; -} - -static PyObject *swi_error(char *s) -{ PyErr_SetString(ArgError,s); - return 0; -} - -typedef struct -{ PyObject_HEAD - void *block; - int length; /*length in bytes*/ - int heap; -} PyBlockObject; - -static PyTypeObject PyBlockType; - -/* block commands */ - -static PyObject *PyBlock_New(PyObject *self,PyObject *args) -{ int size; - PyBlockObject *b; - PyObject *init=0; - if(!PyArg_ParseTuple(args,"i|O",&size,&init)) return NULL; - if(size<1) size=1; - b=PyObject_NEW(PyBlockObject,&PyBlockType); - if(!b) return NULL; - b->block=malloc(4*size); - if(!b->block) - { Py_DECREF(b); - return PyErr_NoMemory(); - } - b->length=4*size; - b->heap=1; - if(init) - { if(PyString_Check(init)) - { int n=PyString_Size(init); - if (n>4*size) n=4*size; - memcpy(b->block,PyString_AsString(init),n); - memset((char*)b->block+n,0,4*size-n); - } - else - { int n,k; - long *p=(long*)b->block; - if(!PyList_Check(init)) goto fail; - n=PyList_Size(init); - if (n>size) n=size; - for(k=0;k<n;k++) - { PyObject *q=PyList_GetItem(init,k); - if(!PyInt_Check(q)) goto fail; - p[k]=PyInt_AsLong(q); - } - for(;k<size;k++) p[k]=0; - } - } - return (PyObject *)b; - fail:PyErr_SetString(PyExc_TypeError, - "block initialiser must be string or list of integers"); - Py_DECREF(b); - return NULL; -} - -static PyObject *PyRegister(PyObject *self,PyObject *args) -{ int size,ptr; - PyBlockObject *b; - if(!PyArg_ParseTuple(args,"ii",&size,&ptr)) return NULL; - if(size<1) size=1; - b=PyObject_NEW(PyBlockObject,&PyBlockType); - if(!b) return NULL; - b->block=(void*)ptr; - b->length=4*size; - b->heap=0; - return (PyObject *)b; -} - -static PyObject *PyBlock_ToString(PyBlockObject *self,PyObject *arg) -{ int s=0,e=self->length; - if(!PyArg_ParseTuple(arg,"|ii",&s,&e)) return NULL; - if(s<0||e>self->length||s>e) - { PyErr_SetString(PyExc_IndexError,"block index out of range"); - return NULL; - } - return PyString_FromStringAndSize((char*)self->block+s,e-s); -} - -static PyObject *PyBlock_NullString(PyBlockObject *self,PyObject *arg) -{ int s=0,e=self->length,i; - char *p=(char*)self->block; - if(!PyArg_ParseTuple(arg,"|ii",&s,&e)) return NULL; - if(s<0||e>self->length||s>e) - { PyErr_SetString(PyExc_IndexError,"block index out of range"); - return NULL; - } - for(i=s;i<e;i++) if(p[i]==0) break; - return PyString_FromStringAndSize((char*)self->block+s,i-s); -} - -static PyObject *PyBlock_CtrlString(PyBlockObject *self,PyObject *arg) -{ int s=0,e=self->length,i; - char *p=(char*)self->block; - if(!PyArg_ParseTuple(arg,"|ii",&s,&e)) return NULL; - if(s<0||e>self->length||s>e) - { PyErr_SetString(PyExc_IndexError,"block index out of range"); - return NULL; - } - for(i=s;i<e;i++) if(p[i]<32) break; - return PyString_FromStringAndSize((char*)self->block+s,i-s); -} - -static PyObject *PyBlock_PadString(PyBlockObject *self,PyObject *arg) -{ int s=0,e=self->length,n,m; - char *str; - char c; - char *p=(char*)self->block; - if(!PyArg_ParseTuple(arg,"s#c|ii",&str,&n,&c,&s,&e)) return NULL; - if(s<0||e>self->length||s>e) - { PyErr_SetString(PyExc_IndexError,"block index out of range"); - return NULL; - } - m=e-s; - if(n>m) n=m; - memcpy(p+s,str,n);memset(p+s+n,c,m-n); - Py_INCREF(Py_None);return Py_None; -} - -static PyObject *PyBlock_BitSet(PyBlockObject *self,PyObject *arg) -{ int i,x,y; - int *p=(int*)self->block; - if(!PyArg_ParseTuple(arg,"iii",&i,&x,&y)) return NULL; - if(i<0||i>=self->length/4) - { PyErr_SetString(PyExc_IndexError,"block index out of range"); - return NULL; - } - p[i]=(p[i]&y)^x; - Py_INCREF(Py_None);return Py_None; -} - -static PyObject *PyBlock_Resize(PyBlockObject *self,PyObject *arg) -{ int n; - if(!PyArg_ParseTuple(arg,"i",&n)) return NULL; - if(n<1) n=1; - if(self->heap) - { void *v=realloc(self->block,4*n); - if (!v) return PyErr_NoMemory(); - self->block=v; - } - self->length=4*n; - Py_INCREF(Py_None);return Py_None; -} - -static PyObject *PyBlock_ToFile(PyBlockObject *self,PyObject *arg) -{ int s=0,e=self->length/4; - PyObject *f; - FILE *fp; - if(!PyArg_ParseTuple(arg,"O|ii",&f,&s,&e)) return NULL; - fp=PyFile_AsFile(f); - if (!fp) - { PyErr_SetString(PyExc_TypeError, "arg must be open file"); - return NULL; - } - fwrite((int*)(self->block)+s,4,e-s,fp); - Py_INCREF(Py_None);return Py_None; -} - -static struct PyMethodDef PyBlock_Methods[]= -{ { "tostring",(PyCFunction)PyBlock_ToString,1}, - { "padstring",(PyCFunction)PyBlock_PadString,1}, - { "nullstring",(PyCFunction)PyBlock_NullString,1}, - { "ctrlstring",(PyCFunction)PyBlock_CtrlString,1}, - { "bitset",(PyCFunction)PyBlock_BitSet,1}, - { "resize",(PyCFunction)PyBlock_Resize,1}, - { "tofile",(PyCFunction)PyBlock_ToFile,1}, - { NULL,NULL} /* sentinel */ -}; - -static int block_len(PyBlockObject *b) -{ return b->length/4; -} - -static PyObject *block_concat(PyBlockObject *b,PyBlockObject *c) -{ PyErr_SetString(PyExc_IndexError,"block concatenation not implemented"); - return NULL; -} - -static PyObject *block_repeat(PyBlockObject *b,Py_ssize_t i) -{ PyErr_SetString(PyExc_IndexError,"block repetition not implemented"); - return NULL; -} - -static PyObject *block_item(PyBlockObject *b,Py_ssize_t i) -{ if(i<0||4*i>=b->length) - { PyErr_SetString(PyExc_IndexError,"block index out of range"); - return NULL; - } - return PyInt_FromLong(((long*)(b->block))[i]); -} - -static PyObject *block_slice(PyBlockObject *b,Py_ssize_t i,Py_ssize_t j) -{ Py_ssize_t n,k; - long *p=b->block; - PyObject *result; - if(j>b->length/4) j=b->length/4; - if(i<0||i>j) - { PyErr_SetString(PyExc_IndexError,"block index out of range"); - return NULL; - } - n=j-i; - result=PyList_New(n); - for(k=0;k<n;k++) PyList_SetItem(result,k,PyInt_FromSsize_t(p[i+k])); - return result; -} - -static int block_ass_item(PyBlockObject *b,Py_ssize_t i,PyObject *v) -{ if(i<0||i>=b->length/4) - { PyErr_SetString(PyExc_IndexError,"block index out of range"); - return -1; - } - if(!PyInt_Check(v)) - { PyErr_SetString(PyExc_TypeError,"block item must be integer"); - return -1; - } - ((long*)(b->block))[i]=PyInt_AsLong(v); - return 0; -} - -static int block_ass_slice(PyBlockObject *b,Py_ssize_t i,Py_ssize_t j,PyObject *v) -{ Py_ssize_t n,k; - long *p=b->block; - if(j>b->length/4) j=b->length/4; - if(i<0||i>j) - { PyErr_SetString(PyExc_IndexError,"block index out of range"); - return -1; - } - if(!PyList_Check(v)) goto fail; - n=PyList_Size(v); - if(n>j-i) n=j-i; - for(k=0;k<n;k++) - { PyObject *q=PyList_GetItem(v,k); - if(!PyInt_Check(q)) goto fail; - p[i+k]=PyInt_AsLong(q); - } - for(;k<j-i;k++) p[i+k]=0; - return 0; - fail:PyErr_SetString(PyExc_TypeError,"block slice must be integer list"); - return -1; -} - -static PySequenceMethods block_as_sequence= -{ (inquiry)block_len, /*sq_length*/ - (binaryfunc)block_concat, /*sq_concat*/ - (ssizeargfunc)block_repeat, /*sq_repeat*/ - (ssizeargfunc)block_item, /*sq_item*/ - (ssizessizeargfunc)block_slice, /*sq_slice*/ - (ssizeobjargproc)block_ass_item, /*sq_ass_item*/ - (ssizessizeobjargproc)block_ass_slice, /*sq_ass_slice*/ -}; - -static PyObject *PyBlock_GetAttr(PyBlockObject *s,char *name) -{ - if (!strcmp(name, "length")) return PyInt_FromLong((long)s->length); - if (!strcmp(name, "start")) return PyInt_FromLong((long)s->block); - if (!strcmp(name,"end")) return PyInt_FromLong(((long)(s->block)+s->length)); - if (!strcmp(name, "__members__")) - { PyObject *list = PyList_New(3); - if (list) - { PyList_SetItem(list, 0, PyString_FromString("length")); - PyList_SetItem(list, 1, PyString_FromString("start")); - PyList_SetItem(list, 2, PyString_FromString("end")); - if (PyErr_Occurred()) { Py_DECREF(list);list = NULL;} - } - return list; - } - return Py_FindMethod(PyBlock_Methods, (PyObject*) s,name); -} - -static void PyBlock_Dealloc(PyBlockObject *b) -{ - if(b->heap) { - if (b->heap) - ; - else - PyMem_DEL(b->block); - } - PyMem_DEL(b); -} - -static PyTypeObject PyBlockType= -{ PyObject_HEAD_INIT(&PyType_Type) - 0, /*ob_size*/ - "block", /*tp_name*/ - sizeof(PyBlockObject), /*tp_size*/ - 0, /*tp_itemsize*/ - /* methods */ - (destructor)PyBlock_Dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - (getattrfunc)PyBlock_GetAttr, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - &block_as_sequence, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash*/ -}; - -/* swi commands */ - -static PyObject *swi_swi(PyObject *self,PyObject *args) -{ PyObject *name,*format,*result,*v; - int swino,carry,rno=0,j,n; - char *swiname,*fmt,*outfmt; - _kernel_swi_regs r; - PyBlockObject *ao; - if(args==NULL||!PyTuple_Check(args)||(n=PyTuple_Size(args))<2) - { PyErr_BadArgument(); return NULL;} - name=PyTuple_GetItem(args,0); - if(!PyArg_Parse(name,"i",&swino)) - { PyErr_Clear(); - if(!PyArg_Parse(name,"s",&swiname)) return NULL; - e=xos_swi_number_from_string(swiname,&swino); - if(e) return swi_oserror(); - } - format=PyTuple_GetItem(args,1); - if(!PyArg_Parse(format,"s",&fmt)) return NULL; - j=2; - for(;;fmt++) - { switch(*fmt) - { case '.': rno++;continue; - case ';':case 0: goto swicall; - case '0':case '1':case '2':case '3':case '4': - case '5':case '6':case '7':case '8':case '9': - r.r[rno++]=*fmt-'0';continue; - case '-':r.r[rno++]=-1;continue; - } - if(j>=n) return swi_error("Too few arguments"); - v=PyTuple_GetItem(args,j++); - switch(*fmt) - { case 'i':if(!PyArg_Parse(v,"i",&r.r[rno])) return NULL; - break; - case 's':if(!PyArg_Parse(v,"s",(char**)(&r.r[rno]))) return NULL; - break; - case 'b':if(!PyArg_Parse(v,"O",(PyObject**)&ao)) return NULL; - if(!PyBlock_Check(v)) return swi_error("Not a block"); - r.r[rno]=(int)(ao->block); - break; - case 'e':if(!PyArg_Parse(v,"O",(PyObject**)&ao)) return NULL; - if(!PyBlock_Check(v)) return swi_error("Not a block"); - r.r[rno]=(int)(ao->block)+ao->length; - break; - default:return swi_error("Odd format character"); - } - rno++; - } - swicall:e=(os_error*)_kernel_swi_c(swino,&r,&r,&carry); - if(e) return swi_oserror(); - if(*fmt==0) { Py_INCREF(Py_None);return Py_None;} - n=0; - for(outfmt=++fmt;*outfmt;outfmt++) switch(*outfmt) - { case 'i':case 's':case '*':n++;break; - case '.':break; - default:return swi_error("Odd format character"); - } - if(n==0) { Py_INCREF(Py_None);return Py_None;} - if(n!=1) - { result=PyTuple_New(n); - if(!result) return NULL; - } - rno=0;j=0; - for(;*fmt;fmt++) - { switch(*fmt) - { case 'i':v=PyInt_FromLong((long)r.r[rno++]); break; - case 's':v=PyString_FromString((char*)(r.r[rno++])); break; - case '.':rno++; continue; - case '*':v=PyInt_FromLong((long)carry); break; - } - if(!v) goto fail; - if(n==1) return v; - PyTuple_SetItem(result,j,v); - j++; - } - return result; - fail:Py_DECREF(result);return 0; -} - -static PyObject *swi_string(PyObject *self, PyObject *arg) -{ char *s; - int l=-1; - if(!PyArg_ParseTuple(arg,"i|i",(unsigned int *)&s, &l)) return NULL; - if (l==-1) - l = strlen(s); - return PyString_FromStringAndSize((char*)s, l); -} - -static char swi_string__doc__[] = -"string(address[, length]) -> string\n\ -Read a null terminated string from the given address."; - - -static PyObject *swi_integer(PyObject *self, PyObject *arg) -{ int *i; - - if(!PyArg_ParseTuple(arg,"i",(unsigned int *)&i)) - return NULL; - return PyInt_FromLong(*i); -} - -static char swi_integer__doc__[] = -"integer(address) -> string\n\ -Read an integer from the given address."; - - -static PyObject *swi_integers(PyObject *self, PyObject *arg) -{ int *i; - int c=-1; - PyObject *result, *result1; - - if(!PyArg_ParseTuple(arg,"i|i",(unsigned int *)&i, &c)) return NULL; - result=PyList_New(0); - if (result) { - while ( c>0 || (c==-1 && *i) ) { - result1 = PyInt_FromLong((long)*i); - if (!result1) { - Py_DECREF(result); - return NULL; - } - if (PyList_Append(result, result1)!=0) { - Py_DECREF(result); - Py_DECREF(result1); - return NULL; - }; - i++; - if (c!=-1) - c--; - } - } - return result; -} - -static char swi_integers__doc__[] = -"integers(address[, count]) -> string\n\ -Either read a null terminated list of integers or\n\ -a list of given length from the given address."; - - -static PyObject *swi_tuples(PyObject *self, PyObject *arg) -{ - unsigned char *i; /* points to current */ - int c=-1, l=4, j, zero; /* count, length, index */ - PyObject *result, *result1, *result11; - - if(!PyArg_ParseTuple(arg,"i|ii",(unsigned int *)&i, &l, &c)) return NULL; - result=PyList_New(0); - if (result) { - while (c) { - result1 = PyTuple_New(l); - if (!result1) { - Py_DECREF(result); - return NULL; - } - zero = (c==-1); /* check for zeros? */ - for(j=0;j<l;j++) { - if (zero && *i) - zero = 0; /* non-zero found */ - result11 = PyInt_FromLong((long)(*i)); - if (!result11) { - Py_DECREF(result); - return NULL; - } - PyTuple_SetItem(result1, j, result11); - i++; - } - if (c==-1 && zero) { - Py_DECREF(result1); - c = 0; - break; - } - if (PyList_Append(result, result1)!=0) { - Py_DECREF(result1); - Py_DECREF(result); - return NULL; - } - if (c!=-1) - c--; - } - } - return result; -} - -static char swi_tuples__doc__[] = -"tuples(address[, length=4[, count]]) -> string\n\ -Either read a null terminated list of byte tuples or\n\ -a list of given length from the given address."; - - -static PyObject *swi_tuple(PyObject *self, PyObject *arg) -{ - unsigned char *i; /* points to current */ - int c=1, j; - PyObject *result, *result1; - - if(!PyArg_ParseTuple(arg,"i|i",(unsigned int *)&i, &c)) return NULL; - result = PyTuple_New(c); - if (!result) - return NULL; - for(j=0;j<c;j++) { - result1 = PyInt_FromLong((long)(i[j])); - if (!result1) { - Py_DECREF(result); - return NULL; - } - PyTuple_SetItem(result, j, result1); - } - return result; -} - -static char swi_tuple__doc__[] = -"tuple(address[, count=1]]) -> tuple\n\ -Read count bytes from given address."; - - -static PyMethodDef SwiMethods[]= -{ { "swi", swi_swi, METH_VARARGS}, - { "block", PyBlock_New, METH_VARARGS}, - { "register", PyRegister, METH_VARARGS}, - { "string", swi_string, METH_VARARGS, swi_string__doc__}, - { "integer", swi_integer, METH_VARARGS, swi_integer__doc__}, - { "integers", swi_integers, METH_VARARGS, swi_integers__doc__}, - { "tuples", swi_tuples, METH_VARARGS, swi_tuples__doc__}, - { "tuple", swi_tuple, METH_VARARGS, swi_tuple__doc__}, - { NULL,NULL,0,NULL} /* Sentinel */ -}; - - -void initswi() -{ PyObject *m, *d; - m = Py_InitModule("swi", SwiMethods); - d = PyModule_GetDict(m); - SwiError=PyErr_NewException("swi.error", NULL, NULL); - PyDict_SetItemString(d,"error",SwiError); - ArgError=PyErr_NewException("swi.ArgError", NULL, NULL); - PyDict_SetItemString(d,"ArgError",ArgError); -} |