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/*
* TclTCC - Tcl binding to Tiny C Compiler
*
* Copyright (c) 2007 Mark Janssen
* Copyright (c) 2014 Roy Keene
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <tcl.h>
#include "tcc.h"
struct TclTCCState {
TCCState *s;
int relocated;
};
static void TccErrorFunc(Tcl_Interp * interp, char * msg) {
Tcl_AppendResult(interp, msg, "\n", NULL);
TCCState * s ;
s = (TCCState *)cdata;
Tcl_DecrRefCount(s->tcc_lib_path);
/* We can delete the compiler if the output was not to memory */
if (s->output_type != TCC_OUTPUT_MEMORY) {
tcc_delete(s);
}
unsigned long val;
int index;
int res;
TCCState * s = (TCCState *)cdata ;
Tcl_Obj * sym_addr;
static CONST char *options[] = {
"add_include_path", "add_file", "add_library",
"add_library_path", "add_symbol", "command", "compile",
"define", "get_symbol", "output_file", "undefine", (char *) NULL
};
enum options {
TCLTCC_ADD_INCLUDE, TCLTCC_ADD_FILE, TCLTCC_ADD_LIBRARY,
TCLTCC_ADD_LIBRARY_PATH, TCLTCC_ADD_SYMBOL, TCLTCC_COMMAND, TCLTCC_COMPILE,
TCLTCC_DEFINE, TCLTCC_GET_SYMBOL, TCLTCC_OUTPUT_FILE, TCLTCC_UNDEFINE
};
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tcc_add_symbol(s,Tcl_GetString(objv[2]),val);
return TCL_OK;
case TCLTCC_COMMAND:
if (objc != 4) {
Tcl_WrongNumArgs(interp, 2, objv, "tclname cname");
return TCL_ERROR;
}
if (!s->relocated) {
if (!ts->relocated) {
if(tcc_relocate(s)!=0) {
Tcl_AppendResult(interp, "relocating failed", NULL);
return TCL_ERROR;
} else {
s->relocated=1;
ts->relocated=1;
}
}
if (tcc_get_symbol(s,&val,Tcl_GetString(objv[3]))!=0) {
Tcl_AppendResult(interp, "symbol '", Tcl_GetString(objv[3]),"' not found", NULL);
return TCL_ERROR;
}
/*printf("symbol: %x\n",val); */
Tcl_CreateObjCommand(interp,Tcl_GetString(objv[2]),(void *)val,NULL,NULL);
return TCL_OK;
case TCLTCC_COMPILE:
if(s->relocated == 1) {
if(ts->relocated == 1) {
Tcl_AppendResult(interp, "code already relocated, cannot compile more",NULL);
return TCL_ERROR;
}
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "ccode");
return TCL_ERROR;
} else {
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tcc_define_symbol(s,Tcl_GetString(objv[2]),Tcl_GetString(objv[3]));
return TCL_OK;
case TCLTCC_GET_SYMBOL:
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "symbol");
return TCL_ERROR;
}
if (!s->relocated) {
if (!ts->relocated) {
if(tcc_relocate(s)!=0) {
Tcl_AppendResult(interp, "relocating failed", NULL);
return TCL_ERROR;
} else {
s->relocated=1;
ts->relocated=1;
}
}
if(tcc_get_symbol(s,&val,Tcl_GetString(objv[2]))!=0) {
Tcl_AppendResult(interp, "symbol '", Tcl_GetString(objv[2]),"' not found", NULL);
return TCL_ERROR;
}
sym_addr = Tcl_NewLongObj(val);
Tcl_SetObjResult(interp, sym_addr);
return TCL_OK;
case TCLTCC_OUTPUT_FILE:
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "filename");
return TCL_ERROR;
}
if (s->relocated) {
if (ts->relocated) {
Tcl_AppendResult(interp, "code already relocated, cannot output to file", NULL);
return TCL_ERROR;
}
if (s->output_type == TCC_OUTPUT_MEMORY) {
Tcl_AppendResult(interp, "output_type memory not valid for output to file", NULL);
return TCL_ERROR;
}
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default:
Tcl_Panic("internal error during option lookup");
}
return TCL_OK;
}
static int TccCreateCmd( ClientData cdata, Tcl_Interp *interp, int objc, Tcl_Obj * CONST objv[]){
struct TclTCCState *ts
TCCState * s;
static CONST char *types[] = {
"memory", "exe", "dll", "obj", "preprocess", (char *) NULL
};
int index;
if (objc < 3 || objc > 4) {
Tcl_WrongNumArgs(interp, 1, objv, "tcc_libary_path ?output_type? handle");
return TCL_ERROR;
}
if (objc == 3) {
index = TCC_OUTPUT_MEMORY;
} else {
if (Tcl_GetIndexFromObj(interp, objv[2], types, "type", 0,
&index) != TCL_OK) {
return TCL_ERROR;
}
}
s = tcc_new(objv[1]);
tcc_set_error_func(s, interp, (void *)&TccErrorFunc);
s->relocated = 0;
/*printf("type: %d\n", index); */
tcc_set_output_type(s,index);
Tcl_CreateObjCommand(interp,Tcl_GetString(objv[objc-1]),TccHandleCmd,s,TccCCommandDeleteProc);
return TCL_OK;
DLL_EXPORT int Tcc_Init(Tcl_Interp *interp)
DLL_EXPORT int Tcc_Init(Tcl_Interp *interp) {
{
if (Tcl_InitStubs(interp, "8.4" , 0) == 0L) {
return TCL_ERROR;
}
Tcl_CreateObjCommand(interp,PACKAGE_NAME,TccCreateCmd,NULL,NULL);
Tcl_PkgProvide(interp,PACKAGE_NAME,PACKAGE_VERSION);
return TCL_OK;
}
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