Patch 1565413 (bitfield support)

Patch 1562280 (vararg support)
Patch 1561115 (C expression to Lisp) + enhanced support for most operators.


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@9381 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Surendra Singhi 2006-09-30 18:57:32 +00:00
commit 5f2930a9b3

View file

@ -37,7 +37,7 @@ public:
virtual int enumDeclaration(Node *n);
virtual int typedefHandler(Node *n);
//c++ specific code
//c++ specific code
virtual int constructorHandler(Node *n);
virtual int destructorHandler(Node *n);
virtual int memberfunctionHandler(Node *n);
@ -55,8 +55,10 @@ private:
void emit_inline(Node *n,String *name);
String* lispy_name(char *name);
String* lispify_name(Node* n,String *ty,const char* flag,bool kw=false);
String* convert_literal(String *num_param, String *type);
String* convert_literal(String *num_param, String *type, bool try_to_split = true);
String* infix_to_prefix(String *val, char split_op, const String *op, String *type);
String* strip_parens(String *string);
String* trim(String *string);
int generate_typedef_flag;
bool no_swig_lisp;
};
@ -73,9 +75,9 @@ void CFFI :: main(int argc, char *argv[]) {
if (!Strcmp(argv[i], "-help")) {
Printf(stdout, "cffi Options (available with -cffi)\n");
Printf(stdout,
" -generate-typedef\n"
"\t If this option is given then defctype will be used to generate shortcuts\n"
"according to the typedefs in the input.\n"
" -generate-typedef\n"
"\tIf this option is given then defctype will be used to generate\n"
"\tshortcuts according to the typedefs in the input.\n"
" -[no]cwrap\n"
"\tTurn on or turn off generation of an intermediate C file when\n"
"\tcreating a C interface. By default this is only done for C++ code.\n"
@ -129,21 +131,21 @@ int CFFI :: top(Node *n) {
}
if (CPlusPlus || CWrap) {
f_cxx=NewFile(cxx_filename, "w");
if (!f_cxx) {
Close(f_lisp); Delete(f_lisp);
Printf(stderr, "Unable to open %s for writing\n", cxx_filename);
SWIG_exit(EXIT_FAILURE);
}
f_cxx=NewFile(cxx_filename, "w");
if (!f_cxx) {
Close(f_lisp); Delete(f_lisp);
Printf(stderr, "Unable to open %s for writing\n", cxx_filename);
SWIG_exit(EXIT_FAILURE);
}
String *clos_filename=NewString("");
Printf(clos_filename, "%s%s-clos.lisp", SWIG_output_directory(), module);
f_clos=NewFile(clos_filename, "w");
if (!f_clos) {
Close(f_lisp); Delete(f_lisp);
Printf(stderr, "Unable to open %s for writing\n", cxx_filename);
SWIG_exit(EXIT_FAILURE);
}
String *clos_filename=NewString("");
Printf(clos_filename, "%s%s-clos.lisp", SWIG_output_directory(), module);
f_clos=NewFile(clos_filename, "w");
if (!f_clos) {
Close(f_lisp); Delete(f_lisp);
Printf(stderr, "Unable to open %s for writing\n", cxx_filename);
SWIG_exit(EXIT_FAILURE);
}
}
else {
f_cxx=NewString("");
@ -282,9 +284,9 @@ void CFFI::emit_defmethod(Node*n) {
int x = Replace(method_name,"operator ","",DOH_REPLACE_FIRST); //
if(x==1)
Printf(f_clos, "(shadow \"%s\")\n",method_name);
Printf(f_clos, "(cl:shadow \"%s\")\n",method_name);
Printf(f_clos,"(defmethod %s ((obj %s)%s)\n (%s (ff-pointer obj)%s))\n\n",
Printf(f_clos,"(clos:defmethod %s ((obj %s)%s)\n (%s (ff-pointer obj)%s))\n\n",
lispify_name(n,lispy_name(Char(method_name)),"'method"),
lispify_name(parent,lispy_name(Char(Getattr(parent, "sym:name"))),"'class"),args_placeholder,
lispify_name(n, Getattr(n, "sym:name"), "'function"),args_call);
@ -293,7 +295,7 @@ void CFFI::emit_defmethod(Node*n) {
void CFFI::emit_setter(Node*n) {
Node *p = parentNode(n);
Printf(f_clos,"(defmethod (setf %s) (arg0 (obj %s))\n (%s (ff-pointer obj) arg0))\n\n",
Printf(f_clos,"(clos:defmethod (cl:setf %s) (arg0 (obj %s))\n (%s (ff-pointer obj) arg0))\n\n",
lispify_name(n, Getattr(n, "name"), "'method"),
lispify_name(p,lispy_name(Char(Getattr(p, "sym:name"))),"'class"),
lispify_name(n, Getattr(n, "sym:name"), "'function"));
@ -302,7 +304,7 @@ void CFFI::emit_setter(Node*n) {
void CFFI::emit_getter(Node*n) {
Node *p = parentNode(n);
Printf(f_clos,"(defmethod %s ((obj %s))\n (%s (ff-pointer obj)))\n\n",
Printf(f_clos,"(clos:defmethod %s ((obj %s))\n (%s (ff-pointer obj)))\n\n",
lispify_name(n, Getattr(n, "name"), "'method"),
lispify_name(p,lispy_name(Char(Getattr(p, "sym:name"))),"'class"),
lispify_name(n, Getattr(n, "sym:name"), "'function"));
@ -333,11 +335,11 @@ int CFFI :: functionWrapper(Node *n) {
Delete(resolved);
if (!is_void_return)
{
String *lresult_init = NewStringf("lresult = (%s)0", raw_return_type);
Wrapper_add_localv(wrap,"lresult", raw_return_type, lresult_init, NIL);
Delete(lresult_init);
}
{
String *lresult_init = NewStringf("lresult = (%s)0", raw_return_type);
Wrapper_add_localv(wrap,"lresult", raw_return_type, lresult_init, NIL);
Delete(lresult_init);
}
String *overname = 0;
if (Getattr(n,"sym:overloaded")) {
@ -455,9 +457,9 @@ int CFFI :: functionWrapper(Node *n) {
void CFFI::emit_defun(Node *n,String *name)
{
// String *storage=Getattr(n,"storage");
// if(!storage || (Strcmp(storage,"extern") && Strcmp(storage,"externc")))
// return SWIG_OK;
// String *storage=Getattr(n,"storage");
// if(!storage || (Strcmp(storage,"extern") && Strcmp(storage,"externc")))
// return SWIG_OK;
String *func_name=Getattr(n, "sym:name");
@ -477,13 +479,18 @@ void CFFI::emit_defun(Node *n,String *name)
for (Parm *p=pl; p; p=nextSibling(p), argnum++) {
if (SwigType_isvarargs(Getattr(p, "type"))){
Printf(f_cl,"\n %s",NewString("&rest"));
continue;
}
String *argname=Getattr(p, "name");
ffitype = Swig_typemap_lookup_new("cin",p, "",0);
int tempargname=0;
if (!argname) {
argname=NewStringf("arg%d", argnum);
tempargname=1;
}
@ -492,7 +499,6 @@ void CFFI::emit_defun(Node *n,String *name)
tempargname=1;
}
Printf(f_cl, "\n (%s %s)", argname, ffitype);
Delete(ffitype);
@ -560,7 +566,12 @@ int CFFI :: enumDeclaration(Node *n) {
String *lisp_name = 0;
if(name && Len(name)!=0) {
lisp_name = lispify_name(n, name, "'enumname");
Printf(f_cl,"\n(cffi:defcenum %s",lisp_name);
if (GetFlag(n,"feature:bitfield")){
Printf(f_cl,"\n(cffi:defbitfield %s",lisp_name);
}
else{
Printf(f_cl,"\n(cffi:defcenum %s",lisp_name);
}
slot_name_keywords = true;
//Registering the enum name to the cin and cout typemaps
@ -585,7 +596,7 @@ int CFFI :: enumDeclaration(Node *n) {
String *slot_name = lispify_name(c, Getattr(c, "name"), "'enumvalue", slot_name_keywords);
String *value = Getattr(c, "enumvalue");
if(!value)
if(!value || GetFlag(n,"feature:bitfield:ignore_values"))
Printf(f_cl,"\n\t%s",slot_name);
else {
String *type=Getattr(c, "type");
@ -683,8 +694,8 @@ void CFFI :: emit_class(Node *n) {
// String *ns = listify_namespace(Getattr(n, "cffi:package"));
String *ns = NewString("");
#ifdef CFFI_WRAP_DEBUG
Printf(stderr, "slot name = '%s' ns = '%s' class-of '%s' and type = '%s'\n",
cname, ns, name, childType);
Printf(stderr, "slot name = '%s' ns = '%s' class-of '%s' and type = '%s'\n",
cname, ns, name, childType);
#endif
Printf(slotdefs, "(#.(swig-insert-id \"%s\" %s :type :slot :class \"%s\") %s)",
cname, ns, name, childType); //compose_foreign_type(childType)
@ -700,11 +711,11 @@ void CFFI :: emit_class(Node *n) {
}
// String *ns_list = listify_namespace(Getattr(n,"cffi:namespace"));
// update_package_if_needed(n,f_clhead);
// Printf(f_clos,
// "(swig-def-foreign-class \"%s\"\n %s\n (:%s\n%s))\n\n",
// name, supers, kind, slotdefs);
// String *ns_list = listify_namespace(Getattr(n,"cffi:namespace"));
// update_package_if_needed(n,f_clhead);
// Printf(f_clos,
// "(swig-def-foreign-class \"%s\"\n %s\n (:%s\n%s))\n\n",
// name, supers, kind, slotdefs);
Delete(supers);
// Delete(ns_list);
@ -761,36 +772,36 @@ void CFFI :: emit_struct_union(Node *n, bool un=false) {
#ifdef CFFI_DEBUG
Printf(stderr, "struct/union %s\n", Getattr(c, "name"));
Printf(stderr, "struct/union %s and %s \n",
Getattr(c,"kind"),Getattr(c,"sym:name"));
Getattr(c,"kind"),Getattr(c,"sym:name"));
#endif
if (Strcmp(nodeType(c), "cdecl")) {
//C declaration ignore
// Printf(stderr, "Structure %s has a slot that we can't deal with.\n",
// name);
// Printf(stderr, "nodeType: %s, name: %s, type: %s\n",
// nodeType(c),
// Getattr(c, "name"),
// Getattr(c, "type"));
// SWIG_exit(EXIT_FAILURE);
}
else{
SwigType *childType=NewStringf("%s%s", Getattr(c,"decl"),
Getattr(c,"type"));
if (Strcmp(nodeType(c), "cdecl")) {
//C declaration ignore
// Printf(stderr, "Structure %s has a slot that we can't deal with.\n",
// name);
// Printf(stderr, "nodeType: %s, name: %s, type: %s\n",
// nodeType(c),
// Getattr(c, "name"),
// Getattr(c, "type"));
// SWIG_exit(EXIT_FAILURE);
}
else{
SwigType *childType=NewStringf("%s%s", Getattr(c,"decl"),
Getattr(c,"type"));
Hash *typemap = Swig_typemap_search("cin", childType,"", 0);
String *typespec = NewString("");
if (typemap) {
typespec = NewString(Getattr(typemap, "code"));
}
Hash *typemap = Swig_typemap_search("cin", childType,"", 0);
String *typespec = NewString("");
if (typemap) {
typespec = NewString(Getattr(typemap, "code"));
}
String *slot_name = lispify_name(c, Getattr(c, "sym:name"), "'slotname");
if(Strcmp(slot_name,"t")==0 || Strcmp(slot_name,"T")==0)
slot_name=NewStringf("t_var");
String *slot_name = lispify_name(c, Getattr(c, "sym:name"), "'slotname");
if(Strcmp(slot_name,"t")==0 || Strcmp(slot_name,"T")==0)
slot_name=NewStringf("t_var");
Printf(f_cl, "\n\t(%s %s)", slot_name, typespec);
Printf(f_cl, "\n\t(%s %s)", slot_name, typespec);
Delete(typespec);
Delete(typespec);
}
}
@ -819,12 +830,12 @@ void CFFI :: emit_inline(Node *n,String *name) {
Printf(f_cl, "\n(cl:declaim (cl:inline %s))\n", name);
}
String* CFFI :: lispify_name(Node *n,String* ty,const char* flag,bool kw) {
String* CFFI ::lispify_name(Node *n, String* ty, const char* flag, bool kw) {
String* intern_func = Getattr(n, "feature:intern_function");
if (intern_func) {
if(Strcmp(intern_func,"1") == 0)
intern_func = NewStringf("swig-lispify");
return NewStringf("#.(%s \"%s\" %s%s)", intern_func, ty, flag, kw? " :keyword":"");
return NewStringf("#.(%s \"%s\" %s%s)", intern_func, ty, flag, kw ? " :keyword":"");
}
else if(kw)
return NewStringf(":%s",ty);
@ -858,45 +869,147 @@ String* CFFI::strip_parens(String *string) {
return res;
}
String* CFFI::convert_literal(String *num_param, String *type) {
String *num=strip_parens(num_param), *res;
char *s=Char(num);
/* Make sure doubles use 'd' instead of 'e' */
if (!Strcmp(type, "double")) {
String *updated=Copy(num);
if (Replace(updated, "e", "d", DOH_REPLACE_ANY) > 1) {
Printf(stderr, "Weird!! number %s looks invalid.\n", num);
SWIG_exit(EXIT_FAILURE);
String* CFFI::trim(String *str) {
char *c = Char(str);
while (*c != '\0' && isspace((int)*c))
++c;
String *result = NewString(c);
Chop(result);
return result;
}
String * CFFI::infix_to_prefix(String *val, char split_op, const String *op, String *type) {
List *ored = Split(val, split_op, -1);
// some float hackery
//i don't understand it, if you do then please explain
// if ( ((split_op == '+') || (split_op == '-')) && Len(ored) == 2 &&
// (SwigType_type(type) == T_FLOAT || SwigType_type(type) == T_DOUBLE ||
// SwigType_type(type) == T_LONGDOUBLE) ) {
// // check that we're not splitting a float
// String *possible_result = convert_literal(val, type, false);
// if (possible_result) return possible_result;
// }
// try parsing the split results. if any part fails, kick out.
bool part_failed = false;
if (Len(ored) > 1) {
String *result = NewStringf("(%s", op);
for(Iterator i = First(ored); i.item; i = Next(i)) {
String *converted = convert_literal(i.item, type);
if(converted) {
Printf(result, " %s", converted);
Delete(converted);
} else {
part_failed = true;
break;
}
}
Delete(num);
return updated;
Printf(result, ")");
Delete(ored);
return part_failed ? 0 : result;
}
else {
Delete(ored);
}
return 0;
}
/* To be called by code generating the lisp interface
Will return a containing the literal based on type.
Will return null if there are problems.
try_to_split defaults to true (see stub above).
*/
String * CFFI::convert_literal(String *literal, String *type, bool try_to_split) {
String *num_param = Copy(literal);
String *trimmed = trim(num_param);
String *num=strip_parens(trimmed), *res=0;
Delete(trimmed);
char *s=Char(num);
// very basic parsing of infix expressions.
if(try_to_split) {
if( (res = infix_to_prefix(num, '|', "cl:logior", type)) ) return res;
if( (res = infix_to_prefix(num, '&', "cl:logand", type)) ) return res;
if( (res = infix_to_prefix(num, '^', "cl:logxor", type)) ) return res;
if( (res = infix_to_prefix(num, '*', "cl:*", type)) ) return res;
if( (res = infix_to_prefix(num, '/', "cl:/", type)) ) return res;
if( (res = infix_to_prefix(num, '+', "cl:+", type)) ) return res;
if( (res = infix_to_prefix(num, '-', "cl:-", type)) ) return res;
}
if (SwigType_type(type) == T_CHAR) {
if (SwigType_type(type) == T_FLOAT || SwigType_type(type) == T_DOUBLE || SwigType_type(type) == T_LONGDOUBLE) {
// Use CL syntax for float literals
// careful. may be a float identifier or float constant.
char *num_start = Char(num);
char *num_end = num_start + strlen(num_start) - 1;
bool is_literal = isdigit(*num_start) || (*num_start == '.') || (*num_start == '+') || (*num_start == '-');
String *lisp_exp = 0;
if(is_literal) {
if (*num_end == 'f' || *num_end == 'F') {
lisp_exp = NewString("f");
} else {
lisp_exp = NewString("d");
}
if (*num_end == 'l' || *num_end == 'L' || *num_end == 'f' || *num_end == 'F') {
*num_end = '\0';
num_end--;
}
int exponents = Replaceall(num, "e", lisp_exp) + Replaceall(num, "E", lisp_exp);
if (!exponents)
Printf(num, "%s0", lisp_exp);
if (exponents > 1 || (exponents + Replaceall(num,".",".") == 0)) {
Delete(num);
num = 0;
}
}
return num;
}
else if (SwigType_type(type) == T_CHAR) {
/* Use CL syntax for character literals */
return NewStringf("#\\%s", num_param);
Delete(num);
// Printf(stderr, "%s %c %d", s, s[2], s);
return NewStringf("#\\%c", s[2]);
}
else if (SwigType_type(type) == T_STRING) {
/* Use CL syntax for string literals */
Delete(num);
return NewStringf("\"%s\"", num_param);
}
if (Len(num) < 2 || s[0] != '0') {
return num;
else if (SwigType_type(type) == T_INT){
Replaceall(num, "u", "") + Replaceall(num, "U", "");
Replaceall(num, "l", "") + Replaceall(num, "L", "");
int i,j;
if (sscanf (s,"%d >> %d",&i,&j) == 2){
Delete(num);
return NewStringf("(cl:ash %d -%d)",i,j);
}
else if (sscanf(s,"%d << %d",&i,&j) == 2){
Delete(num);
return NewStringf("(cl:ash %d %d)",i,j);
}
}
/* octal or hex */
res=NewStringf("#%c%s",
s[1] == 'x' ? 'x' : 'o',
s+2);
Delete(num);
return res;
if (Len(num) >= 2 && s[0] == '0') { /* octal or hex */
Delete(num);
if(s[1] == 'x')
return NewStringf("#x%s", s+2);
else
return NewStringf("#o%s", s+1);
}
return num;
}
//less flexible as it does the conversion in C, the lispify name does the conversion in lisp
String* CFFI::lispy_name(char *name) {
bool helper=false;