swig/Source/Modules/scilab.cxx

494 lines
15 KiB
C++

/* -----------------------------------------------------------------------------
* See the LICENSE file for information on copyright, usage and redistribution
* of SWIG, and the README file for authors - http://www.swig.org/release.html.
*
* scilab.cxx
*
* Scilab language module for SWIG.
* ----------------------------------------------------------------------------- */
char cvsroot_scilab_cxx[] = "$Id$";
#include "swigmod.h"
static const char *usage = (char *) "\
Scilab Options (available with -scilab)\n\
(none yet)\n\n";
class SCILAB:public Language {
private:
File *f_begin;
File *f_runtime;
File *f_header;
File *f_wrappers;
File *f_init;
String *f_builder_code;
String *f_example_code;
bool hasfunction_flag;
bool hasconstant_flag;
public:
SCILAB():
f_builder_code(NewString("")), f_example_code(NewString("")), hasfunction_flag(false), hasconstant_flag(false) {
}
/* ------------------------------------------------------------
* main()
* ------------------------------------------------------------ */
virtual void main(int argc, char *argv[]) {
for (int i = 1; i < argc; i++) {
if (argv[i]) {
if (strcmp(argv[i], "-help") == 0) {
fputs(usage, stderr);
}
}
}
/* Set language-specific subdirectory in SWIG library */
SWIG_library_directory("scilab");
/* Add a symbol to the parser for conditional compilation */
Preprocessor_define("SWIGSCILAB 1", 0);
/* Set scilab configuration file */
SWIG_config_file("scilab.swg");
/* Set typemap for scilab */
SWIG_typemap_lang("scilab");
}
/* ---------------------------------------------------------------------
* top()
* --------------------------------------------------------------------- */
virtual int top(Node *n) {
/* Get the name of the module */
String *module = Getattr(n, "name");
/* One output file for as the wrapper file */
String *outfile = Getattr(n, "outfile");
f_begin = NewFile(outfile, "w", SWIG_output_files());
/* Initialize the output files */
if (!f_begin) {
FileErrorDisplay(outfile);
SWIG_exit(EXIT_FAILURE);
}
f_runtime = NewString("");
f_header = NewString("");
f_wrappers = NewString("");
f_init = NewString("");
/* Register file targets with the SWIG file handler */
Swig_register_filebyname("begin", f_begin);
Swig_register_filebyname("runtime", f_runtime);
Swig_register_filebyname("header", f_header);
Swig_register_filebyname("wrapper", f_wrappers);
Swig_register_filebyname("init", f_init);
/* Insert the banner at the beginning */
Swig_banner(f_begin);
/* Include some header file of scilab */
Printf(f_runtime, "#include \"stack-c.h\"\n");
Printf(f_runtime, "#include \"sciprint.h\"\n");
Printf(f_runtime, "#include \"Scierror.h\"\n");
Printf(f_runtime, "#include \"api_variable.h\"\n");
Printf(f_runtime, "#include \"localization.h\"\n");
/* Initialize the builder.sce file code */
Printf(f_builder_code,"ilib_name = \"%slib\";\n",module);
Printf(f_builder_code,"files = [\"%s\",\"%s.o\"];\n", outfile,module);
Printf(f_builder_code,"libs = [];\n");
Printf(f_builder_code, "table = [");
/* Emit code for children */
Language::top(n);
/* create the file to generate the module: "builder.sce" */
if(hasfunction_flag) {
Printf(f_builder_code,"];\n");
Printf(f_builder_code,"ilib_build(ilib_name,table,files,libs);");
File *f_builder=NewFile(NewStringf("%sbuilder.sce",SWIG_output_directory()),"w",SWIG_output_files());
Printv(f_builder,f_builder_code,NIL);
Close(f_builder);
Delete(f_builder);
Delete(f_builder_code);
}
else {
Delete(f_builder_code);
}
/* create the file for constants: "module.sce" */
if(hasconstant_flag) {
File *f_example=NewFile(NewStringf("%s%s.sce",SWIG_output_directory(),module),"w",SWIG_output_files());
Printv(f_example,f_example_code,NIL);
Close(f_example);
Delete(f_example);
Delete(f_example_code);
}
else {
Delete(f_example_code);
}
/* Dump out all the files */
Dump(f_runtime, f_begin);
Dump(f_header, f_begin);
Dump(f_wrappers, f_begin);
Wrapper_pretty_print(f_init, f_begin);
/* Close all of the files */
Delete(f_init);
Delete(f_wrappers);
Delete(f_header);
Delete(f_runtime);
Close(f_begin);
Delete(f_begin);
return SWIG_OK;
}
/* ----------------------------------------------------------------------
* functionWrapper()
* ---------------------------------------------------------------------- */
virtual int functionWrapper(Node *n) {
hasfunction_flag=true;
/* A new wrapper function object */
Wrapper *f = NewWrapper();
Parm *p;
String *tm;
int j;
/* Get the useful information from the node */
String *nodeType = Getattr(n, "nodeType");
int constructor = (!Cmp(nodeType, "constructor"));
// int destructor = (!Cmp(nodeType, "destructor"));
String *storage = Getattr(n, "storage");
bool overloaded = !!Getattr(n, "sym:overloaded");
//bool last_overload = overloaded && !Getattr(n, "sym:nextSibling");
String *iname = Getattr(n, "sym:name");
String *wname = Swig_name_wrapper(iname);
String *overname = Copy(wname);
SwigType *d = Getattr(n, "type");
ParmList *l = Getattr(n, "parms");
if (!overloaded && !addSymbol(iname, n))
return SWIG_ERROR;
if (overloaded)
Append(overname, Getattr(n, "sym:overname"));
Printv(f->def, "int ", overname, " (char *fname,unsigned long fname_len) {\n", NIL);
/* Emit all of the local variables for holding arguments */
emit_parameter_variables(l, f);
/* Attach typemaps to the parameter list */
emit_attach_parmmaps(l, f);
Setattr(n, "wrap:parms", l);
/* Get number of required and total arguments */
int num_arguments = emit_num_arguments(l);
int num_required = emit_num_required(l);
/* the number of the output */
int out_required = 0;
//int varargs = emit_isvarargs(l);
if (constructor && num_arguments == 1 && num_required == 1) {
if (Cmp(storage, "explicit") == 0) {
Node *parent = Swig_methodclass(n);
if (GetFlag(parent, "feature:implicitconv")) {
String *desc = NewStringf("SWIGTYPE%s", SwigType_manglestr(Getattr(n, "type")));
Printf(f->code, "if (SWIG_CheckImplicit(%s)) SWIG_fail;\n", desc);
Delete(desc);
}
}
}
/* Walk the function parameter list and generate code to get arguments */
for (j = 0, p = l; j < num_arguments; ++j) {
while (checkAttribute(p, "tmap:in:numinputs", "0")) {
p = Getattr(p, "tmap:in:next");
}
SwigType *pt = Getattr(p, "type");
/* Get typemap for this argument */
String *tm = Getattr(p, "tmap:in");
if (tm) {
if (!tm || checkAttribute(p, "tmap:in:numinputs", "0")) {
p = nextSibling(p);
continue;
}
String *getargs = NewString("");
Printv(getargs, tm, NIL);
Printv(f->code, getargs, "\n", NIL);
Delete(getargs);
p = Getattr(p, "tmap:in:next");
continue;
} else {
Swig_warning(WARN_TYPEMAP_IN_UNDEF, input_file, line_number, "Unable to use type %s as a function argument.\n", SwigType_str(pt, 0));
break;
}
}
Setattr(n, "wrap:name", overname);
/* Now write code to make the function call */
Swig_director_emit_dynamic_cast(n, f);
String *actioncode = emit_action(n);
/* Insert the return variable */
emit_return_variable(n, d, f);
if ((tm = Swig_typemap_lookup_out("out", n, "result", f, actioncode))) {
Replaceall(tm, "$result", "result");
Printf(f->code, "%s\n", tm);
if(strlen(Char(tm))!=0)
out_required++;
}
else {
Swig_warning(WARN_TYPEMAP_OUT_UNDEF, input_file, line_number, "Unable to use return type %s in function %s.\n", SwigType_str(d, 0), iname);
}
/* Insert argument output code */
String *outarg = NewString("");
for (p = l; p;) {
if ((tm = Getattr(p, "tmap:argout"))) {
Printv(outarg, tm, "\n", NIL);
p = Getattr(p, "tmap:argout:next");
out_required++;
} else {
p = nextSibling(p);
}
}
Printv(f->code, outarg, NIL);
/* Insert the code checking for the number of input and output */
if(out_required==0) out_required=1;
Printf(f->def,"CheckRhs(%d,%d);\n",num_required,num_required);
Printf(f->def,"CheckLhs(%d,%d);\n",out_required,out_required);
/* Insert the order of output parameters*/
Printf(f->def,"\nint iOutNum=1;\nint iVarOut=Rhs+1;");
/* Finish the the code for the function */
Printf(f->code, "return 0;\n");
Printf(f->code, "}\n");
Replaceall(f->code, "$symname", iname);
/* Dump the wrapper function */
Wrapper_print(f, f_wrappers);
DelWrapper(f);
Printf(f_builder_code, "\"%s\",\"%s\";",iname,wname);
Delete(overname);
Delete(wname);
Delete(outarg);
return SWIG_OK;
}
/* -----------------------------------------------------------------------
* variableWrapper()
* ----------------------------------------------------------------------- */
virtual int variableWrapper(Node *n) {
hasfunction_flag=true;
/* Get the useful information from the node */
String *name = Getattr(n, "name");
String *iname = Getattr(n, "sym:name");
SwigType *t = Getattr(n, "type");
if (!addSymbol(iname, n))
return SWIG_ERROR;
/* two wrapper function to get and set the variable */
String *tm;
Wrapper *getf = NewWrapper();
Wrapper *setf = NewWrapper();
String *getname = Swig_name_get(iname);
String *setname = Swig_name_set(iname);
Printv(setf->def, "int ", setname, " (char *fname,unsigned long fname_len) {\n", NIL);
/* Check the number of input and output */
Printf(setf->def,"CheckRhs(1,1);\n");
Printf(setf->def,"CheckLhs(1,1);\n");
/* Insert the order of output parameters*/
Printf(setf->def,"\nint iOutNum=1;\nint iVarOut=Rhs+1;");
/* add the local variable */
Wrapper_add_local(setf, "piAddrVar", "int *piAddrVar");
Wrapper_add_local(setf, "iRows", "int iRows");
Wrapper_add_local(setf, "iCols", "int iCols");
/* deal with the set function */
if (is_assignable(n)) {
Setattr(n, "wrap:name", setname);
if ((tm = Swig_typemap_lookup("in", n, name, 0))) {
Replaceall(tm, "$argnum", "1");
emit_action_code(n, setf->code, tm);
Delete(tm);
} else {
Swig_warning(WARN_TYPEMAP_VARIN_UNDEF, input_file, line_number, "Unable to set variable of type %s.\n", SwigType_str(t, 0));
}
}
else {
}
Append(setf->code, "}\n");
Wrapper_print(setf, f_wrappers);
Printf(f_builder_code, "\"%s\",\"%s\";",setname,setname);
/* deal with the get function */
Setattr(n, "wrap:name", getname);
int addfail = 0;
Printv(getf->def, "int ", getname, " (char *fname,unsigned long fname_len){\n", NIL);
/* Check the number of input and output */
Printf(getf->def,"CheckRhs(0,0);\n");
Printf(getf->def,"CheckLhs(1,1);\n");
/* Insert the order of output parameters*/
Printf(getf->def,"\nint iOutNum=1;\nint iVarOut=Rhs+1;");
/* add local variabe */
Wrapper_add_local(getf, "piAddrOut", "int* _piAddress");
Wrapper_add_local(getf, "iRows", "int iRowsOut");
Wrapper_add_local(getf, "iColsOut", "int iColsOut ");
if ((tm = Swig_typemap_lookup("out", n, name, 0))) {
Replaceall(tm, "$result", name);
addfail = emit_action_code(n, getf->code, tm);
Delete(tm);
} else {
Swig_warning(WARN_TYPEMAP_VAROUT_UNDEF, input_file, line_number, "Unable to read variable of type %s\n", SwigType_str(t, 0));
}
/*Dump the wrapper function */
Append(getf->code, "}\n");
Wrapper_print(getf, f_wrappers);
Printf(f_builder_code, "\"%s\",\"%s\";",getname,getname);
return SWIG_OK;
}
/* -----------------------------------------------------------------------
* constantWrapper()
* ----------------------------------------------------------------------- */
virtual int constantWrapper(Node *n) {
/* set the flag so to generate the example.sce */
hasconstant_flag=true;
/* Get the useful information from the node */
String *iname = Getattr(n, "sym:name");
SwigType *type = Getattr(n, "type");
String *rawval = Getattr(n, "rawval");
String *value = rawval ? rawval : Getattr(n, "value");
String *tempvalue=NewString("");
/* set the value format to be the scilab format */
if(!Strcmp(type,"char")){
value=Getattr(n,"rawvalue");
char *temp=(Char(value));
tempvalue=NewString("ascii");
Printf(tempvalue,"(%i)",(int)*temp);
value=Copy(tempvalue);
}
else{
if(!Strcmp(type,"p.char")){
char *temp=(Char(value));
int len=strlen(temp);
for(int i=0;i<len;++i){
if(temp[i]=='\\'){
temp[i]='"';
++i;
}
}
Printf(tempvalue,"%s",temp);
value=Copy(tempvalue);
}
}
/* write into the code string */
Printf(f_example_code, "example.%s = %s\n",iname,value);
return SWIG_OK;
}
/* ---------------------------------------------------------------------
* enumDeclaration()
* --------------------------------------------------------------------- */
virtual int enumDeclaration(Node *n) {
/* set the flag so to generate the example.sce */
hasconstant_flag=true;
return Language::enumDeclaration(n);
}
/* ---------------------------------------------------------------------
* enumvalueDeclaration()
* --------------------------------------------------------------------- */
virtual int enumvalueDeclaration(Node *n) {
/* get the name of the enumvalue */
String *iname = Getattr(n, "sym:name");
/* get the name of the enum name */
String *parentName=Getattr(parentNode(n), "sym:name");
/* set the name to be the enum.enumvalue format */
String *temp=Copy(parentName);
Printf(temp,".%s",iname);
Setattr(n,"sym:name",temp);
/* set the value attribute to be the integer */
String *value;
String *enumvalue=Getattr(n,"enumvalue");
if(enumvalue) {
Setattr(n,"value",enumvalue);
}
else {
if(n!=firstChild(parentNode(n))) {
enumvalue=Getattr(n,"enumvalueex");
value=Copy(parentName);
Printf(value,".%s",enumvalue);
Setattr(n,"value",value);
}
else {
Setattr(n,"value",Getattr(n,"enumvalueex"));
}
}
value=Getattr(n,"value");
/* write into the code string */
Printf(f_example_code, "%s.%s=%s;\n",parentName,iname,value);
return SWIG_OK;
}
};
extern "C" Language *swig_scilab(void) {
return new SCILAB();
}