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wxWidgets/wxPython/wxSWIG/SWIG/main.cxx
Robin Dunn 002b1ea670 Updates for building wxSWIG on Linux 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15309 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2002-04-29 20:19:23 +00:00

648 lines
16 KiB
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/*******************************************************************************
* Simplified Wrapper and Interface Generator (SWIG)
*
* Author : David Beazley
*
* Department of Computer Science
* University of Chicago
* 1100 E 58th Street
* Chicago, IL 60637
* beazley@cs.uchicago.edu
*
* Please read the file LICENSE for the copyright and terms by which SWIG
* can be used and distributed.
*******************************************************************************/
/***********************************************************************
* $Header$
*
* main.cxx
*
* The main program.
*
***********************************************************************/
#define WRAP
#include "internal.h"
#include "ascii.h"
#include "latex.h"
#include "html.h"
#include "nodoc.h"
#include <time.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
class SwigException {};
static char *usage = "\
\nDocumentation Options\n\
-dascii - ASCII documentation.\n\
-dhtml - HTML documentation.\n\
-dlatex - LaTeX documentation.\n\
-dnone - No documentation.\n\n\
General Options\n\
-c - Produce raw wrapper code (omit support code)\n\
-c++ - Enable C++ processing\n\
-ci - Check a file into the SWIG library\n\
-co - Check a file out of the SWIG library\n\
-d docfile - Set name of the documentation file.\n\
-Dsymbol - Define a symbol (for conditional compilation)\n\
-I<dir> - Look for SWIG files in <dir>\n\
-l<ifile> - Include SWIG library file.\n\
-make_default - Create default constructors/destructors\n\
-nocomment - Ignore all comments (for documentation).\n\
-o outfile - Set name of the output file.\n\
-objc - Enable Objective C processing\n\
-stat - Print statistics\n\
-strict n - Set pointer type-checking strictness\n\
-swiglib - Report location of SWIG library and exit\n\
-t typemap_file - Use a typemap file.\n\
-v - Run in verbose mode\n\
-version - Print SWIG version number\n\
-help - This output.\n\n";
//-----------------------------------------------------------------
// main()
//
// Main program. Initializes the files and starts the parser.
//-----------------------------------------------------------------
char infilename[256];
char filename[256];
char fn_header[256];
char fn_wrapper[256];
char fn_init[256];
char output_dir[512];
#ifdef MACSWIG
FILE *swig_log;
#endif
char *SwigLib;
#ifndef MSDOS
char** __argv;
int __argc;
#endif
int SWIG_main(int argc, char *argv[], Language *l, Documentation *d) {
int i;
char *c;
extern FILE *LEX_in;
extern void add_directory(char *);
extern char *get_time();
char temp[512];
char infile[512];
char *outfile_name = 0;
extern int add_iname(char *);
int help = 0;
int ignorecomments = 0;
int checkout = 0;
int checkin = 0;
char *typemap_file = 0;
char *includefiles[256];
int includecount = 0;
extern void check_suffix(char *);
extern void scanner_file(FILE *);
#ifdef MACSWIG
try {
#endif
f_wrappers = 0;
f_init = 0;
f_header = 0;
#ifndef MSDOS
__argc = argc;
__argv = argv;
#endif
lang = l;
doc = d;
Status = 0;
TypeStrict = 2; // Very strict type checking
Verbose = 0;
char *doc_file = 0;
DataType::init_typedef(); // Initialize the type handler
// Set up some default symbols (available in both SWIG interface files
// and C files)
add_symbol("SWIG",0,0); // Define the SWIG symbol
#ifdef MACSWIG
add_symbol("SWIGMAC",0,0);
#endif
#ifdef SWIGWIN32
add_symbol("SWIGWIN32",0,0);
#endif
strcpy(LibDir, getSwigLib());
SwigLib = copy_string(LibDir); // Make a copy of the real library location
#ifdef MACSWIG
sprintf(temp,"%s:config", LibDir);
add_directory(temp);
add_directory(":swig_lib:config");
add_directory(LibDir);
add_directory(":swig_lib");
#else
sprintf(temp,"%s/config", LibDir);
add_directory(temp);
add_directory("./swig_lib/config");
add_directory(LibDir);
add_directory("./swig_lib");
sprintf(InitName,"init_wrap");
#endif
sprintf(InitName,"init_wrap");
// Get options
for (i = 1; i < argc; i++) {
if (argv[i]) {
if (strncmp(argv[i],"-I",2) == 0) {
// Add a new directory search path
includefiles[includecount++] = copy_string(argv[i]+2);
mark_arg(i);
} else if (strncmp(argv[i],"-D",2) == 0) {
// Create a symbol
add_symbol(argv[i]+2, (DataType *) 0, (char *) 0);
mark_arg(i);
} else if (strcmp(argv[i],"-strict") == 0) {
if (argv[i+1]) {
TypeStrict = atoi(argv[i+1]);
mark_arg(i);
mark_arg(i+1);
i++;
} else {
arg_error();
}
} else if ((strcmp(argv[i],"-verbose") == 0) || (strcmp(argv[i],"-v") == 0)) {
Verbose = 1;
mark_arg(i);
} else if (strcmp(argv[i],"-dascii") == 0) {
doc = new ASCII;
mark_arg(i);
} else if (strcmp(argv[i],"-dnone") == 0) {
doc = new NODOC;
mark_arg(i);
} else if (strcmp(argv[i],"-dhtml") == 0) {
doc = new HTML;
mark_arg(i);
} else if (strcmp(argv[i],"-dlatex") == 0) {
doc = new LATEX;
mark_arg(i);
} else if (strcmp(argv[i],"-nocomment") == 0) {
ignorecomments = 1;
mark_arg(i);
} else if (strcmp(argv[i],"-stat") == 0) {
Stats=1;
mark_arg(i);
} else if (strcmp(argv[i],"-c++") == 0) {
CPlusPlus=1;
mark_arg(i);
} else if (strcmp(argv[i],"-objc") == 0) {
ObjC = 1;
mark_arg(i);
} else if (strcmp(argv[i],"-c") == 0) {
NoInclude=1;
mark_arg(i);
} else if (strcmp(argv[i],"-make_default") == 0) {
GenerateDefault = 1;
mark_arg(i);
} else if (strcmp(argv[i],"-swiglib") == 0) {
printf("%s\n", LibDir);
SWIG_exit(0);
} else if (strcmp(argv[i],"-o") == 0) {
mark_arg(i);
if (argv[i+1]) {
outfile_name = copy_string(argv[i+1]);
mark_arg(i+1);
i++;
} else {
arg_error();
}
} else if (strcmp(argv[i],"-d") == 0) {
mark_arg(i);
if (argv[i+1]) {
doc_file = copy_string(argv[i+1]);
mark_arg(i+1);
i++;
} else {
arg_error();
}
} else if (strcmp(argv[i],"-t") == 0) {
mark_arg(i);
if (argv[i+1]) {
typemap_file = copy_string(argv[i+1]);
mark_arg(i+1);
i++;
} else {
arg_error();
}
} else if (strcmp(argv[i],"-version") == 0) {
fprintf(stderr,"\nSWIG Version %d.%d %s\n", SWIG_MAJOR_VERSION,
SWIG_MINOR_VERSION, SWIG_SPIN);
fprintf(stderr,"Copyright (c) 1995-98\n");
fprintf(stderr,"University of Utah and the Regents of the University of California\n");
fprintf(stderr,"\nCompiled with %s\n", SWIG_CC);
SWIG_exit(0);
} else if (strncmp(argv[i],"-l",2) == 0) {
// Add a new directory search path
library_add(argv[i]+2);
mark_arg(i);
} else if (strcmp(argv[i],"-co") == 0) {
checkout = 1;
mark_arg(i);
} else if (strcmp(argv[i],"-ci") == 0) {
checkin = 1;
mark_arg(i);
} else if (strcmp(argv[i],"-help") == 0) {
fputs(usage,stderr);
mark_arg(i);
help = 1;
}
}
}
while (includecount > 0) {
add_directory(includefiles[--includecount]);
}
// Create a new documentation handler
if (doc == 0) doc = new ASCII;
// Open up a comment handler
comment_handler = new CommentHandler();
comment_handler->parse_args(argc,argv);
if (ignorecomments) comment_handler->style("ignore",0);
// Create a new documentation entry
doctitle = new DocTitle("",0);
doctitle->parse_args(argc,argv);
doc_entry = doctitle;
// Handle documentation module options
doc->parse_args(argc,argv);
// Parse language dependent options
lang->parse_args(argc,argv);
if (help) SWIG_exit(0); // Exit if we're in help mode
// Check all of the options to make sure we're cool.
check_options();
// If we made it this far, looks good. go for it....
// Create names of temporary files that are created
sprintf(infilename,"%s", argv[argc-1]);
input_file = new char[strlen(infilename)+1];
strcpy(input_file, infilename);
// If the user has requested to check out a file, handle that
if (checkout) {
int stat;
char *outfile = input_file;
if (outfile_name)
outfile = outfile_name;
stat = checkout_file(input_file,outfile);
if (!stat) {
fprintf(stderr,"%s checked out from the SWIG library\n",input_file);
} else {
FILE * f = fopen(input_file,"r");
if (f) {
fprintf(stderr,"Unable to check-out %s. File already exists.\n", input_file);
fclose(f);
} else {
fprintf(stderr,"Unable to check-out %s\n", input_file);
}
}
} else if (checkin) {
// Try to check-in a file to the SWIG library
int stat;
char *outname = input_file;
if (outfile_name)
outname = outfile_name;
stat = checkin_file(SwigLib, LibDir, input_file, outname);
if (!stat) {
fprintf(stderr,"%s checked-in to %s/%s/%s\n", input_file, SwigLib, LibDir, outname);
} else {
fprintf(stderr,"Unable to check-in %s to %s/%s\n", input_file, SwigLib, LibDir);
}
} else {
doctitle->file = copy_string(input_file);
doctitle->line_number = -1000;
doctitle->end_line = -1000;
// Check the suffix for a .c file. If so, we're going to
// declare everything we see as "extern"
check_suffix(infilename);
// Strip off suffix
c = infilename + strlen(infilename);
while (c != infilename) {
if (*c == '.') {
*c = 0;
break;
} else {
c--;
}
}
if (!outfile_name) {
sprintf(fn_header,"%s_wrap.c",infilename);
strcpy(infile,infilename);
strcpy(output_dir,"");
} else {
sprintf(fn_header,"%s",outfile_name);
// Try to identify the output directory
char *cc = outfile_name;
char *lastc = outfile_name;
while (*cc) {
#ifdef MACSWIG
if (*cc == ':') lastc = cc+1;
#else
if (*cc == '/') lastc = cc+1;
#endif
cc++;
}
cc = outfile_name;
char *dd = output_dir;
while (cc != lastc) {
*dd = *cc;
dd++;
cc++;
}
*dd = 0;
// Patch up the input filename
cc = infilename + strlen(infilename);
while (cc != infilename) {
#ifdef MACSWIG
if (*cc == ':') {
cc++;
break;
}
#else
if (*cc == '/') {
cc++;
break;
}
#endif
cc--;
}
strcpy(infile,cc);
}
sprintf(fn_wrapper,"%s%s_wrap.wrap",output_dir,infile);
sprintf(fn_init,"%s%s_wrap.init",output_dir,infile);
sprintf(title,"%s", fn_header);
// Open up files
if ((f_input = fopen(input_file,"r")) == 0) {
// Okay. File wasn't found right away. Let's see if we can
// extract it from the SWIG library instead.
if ((checkout_file(input_file,input_file)) == -1) {
fprintf(stderr,"Unable to open %s\n", input_file);
SWIG_exit(0);
} else {
// Successfully checked out a file from the library, print a warning and
// continue
checkout = 1;
fprintf(stderr,"%s checked out from the SWIG library.\n",input_file);
if ((f_input = fopen(input_file,"r")) == 0) {
fprintf(stderr,"Unable to open %s\n", input_file);
SWIG_exit(0);
}
}
}
// Add to the include list
add_iname(infilename);
// Initialize the scanner
LEX_in = f_input;
scanner_file(LEX_in);
// printf("fn_header = %s\n", fn_header);
// printf("fn_wrapper = %s\n", fn_wrapper);
// printf("fn_init = %s\n", fn_init);
if((f_header = fopen(fn_header,"w")) == 0) {
fprintf(stderr,"Unable to open %s\n", fn_header);
exit(0);
}
if((f_wrappers = fopen(fn_wrapper,"w")) == 0) {
fprintf(stderr,"Unable to open %s\n",fn_wrapper);
exit(0);
}
if ((f_init = fopen(fn_init,"w")) == 0) {
fprintf(stderr,"Unable to open %s\n",fn_init);
exit(0);
}
// Open up documentation
if (doc_file) {
doc->init(doc_file);
} else {
doc_file = new char[strlen(infile)+strlen(output_dir)+8];
sprintf(doc_file,"%s%s_wrap",output_dir,infile);
doc->init(doc_file);
}
// Set up the typemap for handling new return strings
{
DataType *temp_t = new DataType(T_CHAR);
temp_t->is_pointer++;
if (CPlusPlus)
typemap_register("newfree",typemap_lang,temp_t,"","delete [] $source;\n",0);
else
typemap_register("newfree",typemap_lang,temp_t,"","free($source);\n",0);
delete temp_t;
}
// Define the __cplusplus symbol
if (CPlusPlus)
add_symbol("__cplusplus",0,0);
// Load up the typemap file if given
if (typemap_file) {
if (include_file(typemap_file) == -1) {
fprintf(stderr,"Unable to locate typemap file %s. Aborting.\n", typemap_file);
SWIG_exit(1);
}
}
// If in Objective-C mode. Load in a configuration file
if (ObjC) {
// Add the 'id' object type as a void *
/* DataType *t = new DataType(T_VOID);
t->is_pointer = 1;
t->implicit_ptr = 0;
t->typedef_add("id");
delete t;
*/
}
// Pass control over to the specific language interpreter
lang->parse();
fclose(f_wrappers);
fclose(f_init);
swig_append(fn_wrapper,f_header);
swig_append(fn_init,f_header);
fclose(f_header);
// Print out documentation. Due to tree-like nature of documentation,
// printing out the title prints out everything.
while(doctitle) {
doctitle->output(doc);
doctitle = doctitle->next;
}
doc->close();
// Remove temporary files
remove(fn_wrapper);
remove(fn_init);
// If only producing documentation, remove the wrapper file as well
if (DocOnly)
remove(fn_header);
// Check for undefined types that were used.
if (Verbose)
type_undefined_check();
if (Stats) {
fprintf(stderr,"Wrapped %d functions\n", Stat_func);
fprintf(stderr,"Wrapped %d variables\n", Stat_var);
fprintf(stderr,"Wrapped %d constants\n", Stat_const);
type_undefined_check();
}
if (checkout) {
// File was checked out from the SWIG library. Remove it now
remove(input_file);
}
}
#ifdef MACSWIG
fclose(swig_log);
} catch (SwigException) {
fclose(swig_log);
}
#else
exit(error_count);
#endif
return(error_count);
}
// --------------------------------------------------------------------------
// SWIG_exit()
//
// Fatal parser error. Exit and cleanup
// --------------------------------------------------------------------------
void SWIG_exit(int) {
if (f_wrappers) {
fclose(f_wrappers);
remove(fn_wrapper);
}
if (f_header) {
fclose(f_header);
remove(fn_header);
}
if (f_init) {
fclose(f_init);
remove(fn_init);
}
#ifndef MACSWIG
exit(1);
#else
throw SwigException();
#endif
}
// --------------------------------------------------------------------------
// swig_pragma(char *name, char *value)
//
// Handle pragma directives. Not many supported right now
// --------------------------------------------------------------------------
void swig_pragma(char *name, char *value) {
if (strcmp(name,"make_default") == 0) {
GenerateDefault = 1;
}
if (strcmp(name,"no_default") == 0) {
GenerateDefault = 0;
}
if (strcmp(name,"objc_new") == 0) {
objc_construct = copy_string(value);
}
if (strcmp(name,"objc_delete") == 0) {
objc_destruct = copy_string(value);
}
}
char* getSwigLib() {
char* c;
char* rv;
// Check for SWIG_LIB environment variable
if ((c = getenv("SWIG_LIB")) != (char *) 0) {
rv = c;
} else {
#ifdef SWIG_LIB
rv = SWIG_LIB;
#else
// use executable location
static char path[256];
char* last;
strcpy(path, __argv[0]);
last = strrchr(path, '/');
if (! last) last = strrchr(path, '\\');
if (last)
strcpy(last+1, "swig_lib");
else
strcpy(path, "swig_lib");
rv = path;
#endif
}
printf("Using swig lib at: %s\n", rv);
return rv;
}
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