mirror of
https://git.code.sf.net/p/newrpl/sources
synced 2024-11-16 19:51:25 +01:00
334 lines
8.6 KiB
C
334 lines
8.6 KiB
C
/*
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* Copyright (c) 2014-2015, Claudio Lapilli and the newRPL Team
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* All rights reserved.
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* This file is released under the 3-clause BSD license.
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* See the file LICENSE.txt that shipped with this distribution.
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*/
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#include "newrpl.h"
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#include "libraries.h"
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#include "ui.h"
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#include <stdio.h>
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#include <string.h>
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// DISPLAY AN ERROR MESSAGE
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// USES ERROR CODE FROM SYSTEM Exceptions
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// OUTPUTS THE ERROR TO THE GIVEN STREAM (USUALLY stderr)
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void compShowErrorMsg(char *inputfile,char *mainbuffer,long long length,FILE *stream)
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{
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int errbit;
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if(!Exceptions) return;
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fprintf(stream,"%s:%d:%d:",inputfile,1,1);
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if(Exceptions!=EX_ERRORCODE) {
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if(ExceptionPointer && (*ExceptionPointer!=0)) { // ONLY IF THERE'S A VALID COMMAND TO BLAME
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WORDPTR cmdname=halGetCommandName(ExceptionPointer);
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if(cmdname) {
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BYTEPTR start=(BYTEPTR)(cmdname+1);
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BYTEPTR end=start+rplStrSize(cmdname);
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fwrite(start,1,end-start,stream);
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}
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}
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fprintf(stream," Exception: ");
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BINT ecode;
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for(errbit=0;errbit<8;++errbit) // THERE'S ONLY A FEW EXCEPTIONS IN THE NEW ERROR MODEL
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{
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if(Exceptions&(1<<errbit)) {
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ecode=MAKEMSG(0,errbit);
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BYTEPTR message=halGetMessage(ecode);
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fwrite((char *)message,1,strlen((char *)message),stream);
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break;
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}
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}
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}
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else {
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// TRY TO DECOMPILE THE OPCODE THAT CAUSED THE ERROR
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if(ExceptionPointer &&(*ExceptionPointer!=0)) { // ONLY IF THERE'S A VALID COMMAND TO BLAME
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WORDPTR cmdname=halGetCommandName(ExceptionPointer);
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if(cmdname) {
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BYTEPTR start=(BYTEPTR)(cmdname+1);
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BYTEPTR end=start+rplStrSize(cmdname);
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fwrite(start,1,end-start,stream);
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}
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}
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fprintf(stream," error: ");
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// TODO: GET NEW TRANSLATABLE MESSAGES
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BYTEPTR message=halGetMessage(ErrorCode);
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fwrite((char *)message,1,strlen((char *)message),stream);
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}
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fprintf(stream,"\n");
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}
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enum {
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OUTPUT_BINARY,
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OUTPUT_C
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};
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int main(int argc, char *argv[])
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{
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char *mainbuffer;
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if(argc<2) {
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printf("NewRPL standalone compiler - Version 1.0\n");
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printf("Usage: newrpl-comp [-c] [-o <outputfile>] <filename.nrpl>\n");
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printf("\nOptions:\n");
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printf("\t\t-c\tOutput will be as C source code.\n");
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printf("\t\t-o <file>\tSpecify a output file name (defaults to filename.c or filename.binrpl)\n\n\n");
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return 0;
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}
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int argidx=1;
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int outputtype=OUTPUT_BINARY;
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int needoutputname=0;
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int needcleanup=0;
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char *outputfile=NULL;
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char *inputfile=NULL;
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while(argidx<argc) {
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if(needoutputname) { outputfile=argv[argidx]; needoutputname=0; }
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else if((argv[argidx][0]=='-')&&(argv[argidx][1]=='c')&&(argv[argidx][2]==0)) outputtype=OUTPUT_C;
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else if((argv[argidx][0]=='-')&&(argv[argidx][1]=='o')) {
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if(argv[argidx][2]==0) needoutputname=1;
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else outputfile=argv[argidx]+2;
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} else inputfile=argv[argidx];
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++argidx;
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}
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// HERE WE HAVE ALL ARGUMENTS PROCESSED
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if(!inputfile) {
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fprintf(stderr,"Error: No input file\n");
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return 1;
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}
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if(!outputfile) {
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// CREATE AN OUTPUT FILE NAME FROM THE INPUT FILE
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char *end=inputfile+strlen(inputfile)-1;
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while((end>inputfile)&&(*end!='.')&&(*end!='/')&&(*end!='\\')) --end;
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if(end<=inputfile) end=inputfile+strlen(inputfile);
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else if(*end!='.') end=inputfile+strlen(inputfile);
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needcleanup++;
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outputfile=malloc(end-inputfile+10);
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if(!outputfile) {
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fprintf(stderr,"error: Memory allocation error\n");
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return 1;
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}
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memmove(outputfile,inputfile,end-inputfile);
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strcpy(outputfile+(end-inputfile),(outputtype==OUTPUT_C)? ".c":".binrpl");
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}
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printf("Input file: %s\n",inputfile);
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printf("Output file: %s\n",outputfile);
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printf("Output type: %s\n",(outputtype==OUTPUT_C)? "C":"Binary");
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// READ THE INPUT FILE INTO A BUFFER
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FILE *f=fopen(inputfile,"rb");
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if(f==NULL) {
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fprintf(stderr,"error: File not found %s\n",inputfile);
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if(needcleanup) free(outputfile);
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return 1;
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}
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fseek(f,0,SEEK_END);
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long long length=ftell(f);
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fseek(f,0,SEEK_SET);
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mainbuffer=malloc(length);
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if(!mainbuffer) {
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fprintf(stderr,"error: Memory allocation error\n");
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if(needcleanup) free(outputfile);
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return 1;
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}
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if(fread(mainbuffer,1,length,f)!=(size_t)length) {
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fprintf(stderr,"error: Can't read from input file\n");
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if(needcleanup) free(outputfile);
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free(mainbuffer);
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return 1;
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}
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fclose(f);
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// HERE WE HAVE THE MAIN FILE
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rplInit();
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rplSetSystemFlag(FL_STRIPCOMMENTS);
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// IDENTIFY CHUNKS OF CODE
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char *chunk=mainbuffer;
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int numchunks=0;
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char *chunkstart[65537]; // MAXIMUM NUMBER OF VARIABLES IN A SINGLE FILE
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while(chunk-mainbuffer<length) {
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if(!utf8ncmp(chunk,"@#name",6)) {
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// FOUND START OF CHUNK
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chunkstart[numchunks]=chunk;
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++numchunks;
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if(numchunks>65535) {
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fprintf(stderr,"error: Too many chunks in same file.\n");
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if(needcleanup) free(outputfile);
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free(mainbuffer);
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return 1;
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}
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}
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//SKIP TO THE NEXT LINE
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while( (*chunk!='\n')&&(*chunk!='\r')&&(chunk-mainbuffer<length)) ++chunk;
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while( ((*chunk=='\n')||(*chunk=='\r'))&&(chunk-mainbuffer<length)) ++chunk;
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}
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if(numchunks==0) {
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chunkstart[numchunks]=mainbuffer;
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++numchunks;
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}
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chunkstart[numchunks]=chunk;
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f=fopen(outputfile,"wb");
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if(f==NULL) {
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fprintf(stderr,"error: Can't open %s for writing.\n",outputfile);
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if(needcleanup) free(outputfile);
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free(mainbuffer);
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return 1;
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}
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if(outputtype==OUTPUT_BINARY) {
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// WRITE THE BINARY FILE MARKER
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WORD marker[3]= {
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MKPROLOG(HEXBINT,2), // PROLOG OF A 64-BIT BINT
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0x4c50526e, // STRING "nRPL"
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1 // VERSION OF THE newRPL BINARY FORMAT
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};
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fwrite(marker,4,3,f);
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}
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else {
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fprintf(f,"// newRPL binary version 1.0\n\n");
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}
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// COMPILE ALL CHUNKS
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int k;
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char *start,*end;
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for(k=0;k<numchunks;++k) {
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start=chunkstart[k];
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end=chunkstart[k+1];
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if(!utf8ncmp(start,"@#name",6)) {
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// SKIP TO THE NEXT LINE FOR THE REAL DATA
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while( (*start!='\n')&&(*start!='\r')&&(start<end)) ++start;
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while( ((*start=='\n')||(*start=='\r'))&&(start<end)) ++start;
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}
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if(end>start) {
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WORDPTR newobject=rplCompile((BYTEPTR)start,end-start,1);
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if(Exceptions) {
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compShowErrorMsg(inputfile,mainbuffer,length,stderr);
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fclose(f);
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remove(outputfile);
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if(needcleanup) free(outputfile);
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free(mainbuffer);
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return 1;
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}
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// OUTPUT THE CHUNK
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if(outputtype==OUTPUT_C) {
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if(rplObjSize(newobject)>2) {
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// OUTPUT C FORMATTED CODE
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char *objname;
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char *nameend;
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if(!utf8ncmp(chunkstart[k],"@#name",6)) {
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objname=chunkstart[k]+6;
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while( (*objname==' ') || (*objname=='\t')) ++objname;
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nameend=objname;
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while( (*nameend!='\n') && (*nameend!='\r') && (*nameend!=' ') && (*nameend!='\t')) ++nameend;
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} else { nameend=objname=NULL; }
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fprintf(f,"ROMOBJECT ");
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if(nameend<=objname) fprintf(f,"chunk%05d",k+1);
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else fwrite(objname,1,nameend-objname,f);
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fprintf(f,"[]= {\n");
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WORDPTR p=newobject+1,endp=rplSkipOb(newobject)-1;
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int wordcount=0;
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while(p<endp) {
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fprintf(f,"0x%08X",*p);
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if(p!=endp-1) fprintf(f,",");
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wordcount++;
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if((wordcount&7)==0) fprintf(f,"\n");
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++p;
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}
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if((wordcount&7)!=0) fprintf(f,"\n");
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fprintf(f,"};\n\n\n");
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}
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}
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else {
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if(rplObjSize(newobject)>2) {
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// RAW BINARY OUTPUT
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fwrite(newobject+1,4,rplObjSize(newobject)-2,f);
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}
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}
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}
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// AND MOVE ON TO THE NEXT ONE
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}
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// CLOSE THE OUTPUT FILE
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fclose(f);
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return 0;
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}
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