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main.c
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main.c
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/* $VER: vbcc (main.c) V0.9 */
#include "vbcc_cpp.h"
#include "vbc.h"
#include "opt.h"
static char FILE_[]=__FILE__;
void do_function(struct Var *);
static struct function_info *current_fi;
struct token *ctok;
struct lexer_state ls;
int endok=1;
int line,errors;
bvtype task_preempt_regs[RSIZE/sizeof(bvtype)];
bvtype task_schedule_regs[RSIZE/sizeof(bvtype)];
char *multname[]={"","s"};
struct deplist {char *name; struct deplist *next;} *deps;
FILE *depout;
void handle_deps(char *name,int string)
{
struct deplist *p=deps;
if(!depout||!name||!*name) return;
/* by default omit <...> includes */
if(!string&&!(c_flags[51]&USEDFLAG)) return;
while(p){
if(!strcmp(p->name,name)) return;
p=p->next;
}
p=mymalloc(sizeof(*p));
p->name=mymalloc(strlen(name)+1);
strcpy(p->name,name);
p->next=deps;
deps=p;
fprintf(depout," %s",name);
}
void raus(void)
/* Beendet das Programm */
{
static int inraus;
if(inraus) return;
inraus = 1;
if(DEBUG) printf("raus()\n");
if(!endok) fprintf(stderr,"unexpected end of file\n");
if(errors) fprintf(stderr,"%d error%s found!\n",errors,multname[errors>1]);
if(debug_info&&out)
cleanup_db(out);
while(nesting>=0) leave_block();
/*FIXME: do I have to close input-file? */
if(!wpo)
cleanup_cg(out);
emit_flush(out);
if(cmdfile) fclose(cmdfile);
if(out) fclose(out);
if(ic1) fclose(ic1);
if(ic2) fclose(ic2);
/*FIXME: need to cleanup something for ucpp?*/;
if(endok&&!errors) exit(EXIT_SUCCESS); else exit(EXIT_FAILURE);
}
int eof;
void translation_unit(void)
/* bearbeitet translation_unit */
/* hier z.Z. nur provisorisch */
{
struct Var *p;
if(cross_module){
for(p=first_ext;p;p=p->next)
if(!(p->flags&BUILTIN))
p->flags|=NOTINTU;
}
while(1){
killsp();
if(eof||ctok->type!=NAME){
if(!eof){
error(0);
raus();
}else{
if(cross_module){
int n=0;
if(last_tunit){
last_tunit->next=mymalloc(sizeof(*first_tunit));
last_tunit=last_tunit->next;
}else{
first_tunit=last_tunit=mymalloc(sizeof(*first_tunit));
}
last_tunit->next=0;
for(p=first_var[0];p;p=p->next){
if(p->storage_class==STATIC) n++;
}
last_tunit->statics=first_var[0];
return;
}else{
raus();
}
}
}
endok=0;
var_declaration();
endok=1;
}
}
void reserve_reg(char *p)
/* reserviert ein Register */
{
int i;
if(*p!='=') error(4,"-reserve-reg");
for(i=1;i<=MAXR;i++){
if(!strcmp(p+1,regnames[i]))
break;
}
if(i>MAXR){
error(331,p+1);
}else{
regsa[i]=1;
}
}
void dontwarn(char *p)
/* schaltet flags fuer Meldung auf DONTWARN */
{
if(*p!='=') error(4,"-dontwarn");
do{
int i=atoi(p+1);
if(i>=err_num) error(159,i);
if(i<0){
for(i=0;i<err_num;i++)
if(!(err_out[i].flags&(ANSIV|FATAL)))
err_out[i].flags|=DONTWARN;
return;
}
if(err_out[i].flags&(ANSIV|FATAL)) error(160,i);
err_out[i].flags|=DONTWARN;
p=strchr(p+1,',');
} while(p);
}
#define MISRA_98_RULE_NUMBER 127
#define MISRA_04_CHAPTER 21
#define MISRA_04_MAX_RULE_IN_CHAPTER 17
static int misra_98_warn_flag[MISRA_98_RULE_NUMBER] = { 0 };
static int misra_04_warn_flag[MISRA_04_CHAPTER][MISRA_04_MAX_RULE_IN_CHAPTER] = { 0 };
void misrawarn(char *p) {
int rule,subrule,misraoldrule;
char* last;
int not_found;
struct misra_err_out* misr_err;
rule = 0;
subrule = 0;
misraoldrule = 0;
if(*p!='=') error(4,"-misrawarn");
p++;
if (!(strncmp("chapter",p,6))) {
if (sscanf((p+7),"%d",&rule) != 1) {
error(327,"-misrawarn");
}
} else if ( !(strncmp("misra98rule",p,11))) {
if (sscanf((p+12),"%d",&misraoldrule) != 1) {
error(327,"-misrawarn");
}
} else {
if (last = strchr(p,'.')) {
*last = 0;
last++;
if (sscanf(last,"%d",&subrule) != 1) error(327,"-misrawarn");
if (sscanf(p,"%d",&rule) != 1) error(327,"-misrawarn");
last--;
*last='.';
} else error(327,"-misrawarn");
}
p--;
if (!misracheck) misracheck = 1;
if (misraoldrule) {
if (misraversion==2004) error(328,misraversion,"-misrawarn",p);
if (!misraversion) misraversion=1998;
if ((misraoldrule < 1) || (misraoldrule>MISRA_98_RULE_NUMBER)) error(329,misraoldrule,"-misrawarn",p);
misra_98_warn_flag[misraoldrule-1] = 1;
} else {
if (misraversion==1998) error(328,misraversion,"-misrawarn",p);
if (!misraversion) misraversion=2004;
if (subrule) {
misr_err = misra_err_out;
not_found = 1;
while ( misr_err->text ) {
if ((misr_err->chapter == rule) && (misr_err->rule == subrule)) {
not_found = 0;
break;
}
misr_err++;
}
if (not_found) error(330,rule,subrule,"-misrawarn",p);
misra_04_warn_flag[rule-1][subrule-1] = 1;
} else {
misr_err = misra_err_out;
not_found = 1;
while ( misr_err->text ) {
if (misr_err->chapter == rule) {
not_found = 0;
misra_04_warn_flag[misr_err->chapter-1][misr_err->rule-1] = 1;
}
misr_err++;
}
if (not_found) error(330,rule,subrule,"-misrawarn",p);
}
}
}
void misradontwarn(char *p) {
int rule,subrule,misraoldrule;
char* last;
int not_found;
struct misra_err_out* misr_err;
rule = 0;
subrule = 0;
misraoldrule = 0;
if(*p!='=') error(4,"-misradontwarn");
p++;
if (!(strncmp("chapter",p,6))) {
if (sscanf((p+7),"%d",&rule) != 1) {
error(327,"-misradontwarn");
}
} else if ( !(strncmp("misra98rule",p,11))) {
if (sscanf((p+12),"%d",&misraoldrule) != 1) {
error(327,"-misradontwarn");
}
} else {
if (last = strchr(p,'.')) {
*last = 0;
last++;
if (sscanf(last,"%d",&subrule) != 1) error(327,"-misradontwarn");
if (sscanf(p,"%d",&rule) != 1) error(327,"-misradontwarn");
last--;
*last='.';
} else error(327,"-misradontwarn");
}
p--;
if (misraoldrule) {
if (misraversion==2004) error(328,misraversion,"-misradontwarn",p);
if ((misraoldrule < 1) || (misraoldrule>MISRA_98_RULE_NUMBER)) error(329,misraoldrule,"-misradontwarn",p);
misra_98_warn_flag[misraoldrule-1] = -1;
} else {
if (misraversion==1998) error(328,misraversion,"-misradontwarn",p);
if (subrule) {
misr_err = misra_err_out;
not_found = 1;
while ( misr_err->text ) {
if ((misr_err->chapter == rule) && (misr_err->rule == subrule)) {
not_found = 0;
break;
}
misr_err++;
}
if (not_found) error(330,rule,subrule,"-misradontwarn",p);
misra_04_warn_flag[rule-1][subrule-1] = -1;
} else {
misr_err = misra_err_out;
not_found = 1;
while ( misr_err->text ) {
if (misr_err->chapter == rule) {
not_found = 0;
misra_04_warn_flag[misr_err->chapter-1][misr_err->rule-1] = -1;
}
misr_err++;
}
if (not_found) error(330,rule,subrule,"-misradontwarn",p);
}
}
}
void warn(char *p)
/* schaltet Warnung fuer Meldung ein */
/* wenn Nummer<0 sind alle Warnungen ein */
{
int i;
if(*p!='=') error(4,"-warn");
i=atoi(p+1);
if(i>=err_num) error(159,i);
if(i<0){
for(i=0;i<err_num;i++) err_out[i].flags&=~DONTWARN;
return;
}else err_out[i].flags&=~DONTWARN;
}
void gen_function(FILE *f,struct Var *v,int real_gen)
{
struct IC *p,*new;int i,had_regs;
if(DEBUG&1) printf("gen_function <%s>,f=%p,real_gen=%d\n",v->identifier,(void*)f,real_gen);
if(!v->fi) ierror(0);
if(errors!=0) return;
first_ic=last_ic=0;
for(i=1;i<=MAXR;i++) {regs[i]=regused[i]=regsa[i];regsbuf[i]=0;}
function_calls=0;vlas=0;
if(!real_gen){
for(p=v->fi->first_ic;p;p=p->next){
new=new_IC();
*new=*p;
p->copy=new;
add_IC(new);
new->file=p->file;
new->line=p->line;
if(p->code==CALL){
int i;
function_calls++;
if((p->q1.flags&VAR)&&!strcmp(p->q1.v->identifier,"__allocvla")){
vlas=1;
v->fi->flags|=USES_VLA;
}
new->arg_list=mymalloc(sizeof(*new->arg_list)*new->arg_cnt);
for(i=0;i<new->arg_cnt;i++) new->arg_list[i]=p->arg_list[i]->copy;
}
}
}else{
for(i=1;i<=MAXR;i++) regused[i]=0;
for(p=v->fi->opt_ic;p;p=p->next){
if(p->code==ALLOCREG){
regused[p->q1.reg]=1;
if(reg_pair(p->q1.reg,&rp)){
regused[rp.r1]=1;
regused[rp.r2]=1;
}
}
if(p->code==CALL){
if((p->q1.flags&VAR)&&!strcmp(p->q1.v->identifier,"__allocvla")) vlas=1;
function_calls++;
}
}
}
if(vlas&&FPVLA_REG) regs[FPVLA_REG]=regused[FPVLA_REG]=regsa[FPVLA_REG]=regscratch[FPVLA_REG]=1;
if(!real_gen&&(c_flags[2]&USEDFLAG)&&ic1){
fprintf(ic1,"function %s\n",v->identifier);
pric(ic1,first_ic);
}
vl0=first_ext;
vl1=v->fi->statics;
vl2=0;
vl3=v->fi->vars;
nesting=1;
first_var[nesting]=last_var[nesting]=0;
cur_func=v->identifier;
if(!real_gen){
optimize(optflags,v);
memset(regs_modified,0,RSIZE);
/* pseudeo generator pass to get regs_modified */
v->fi->opt_ic=clone_ic(first_ic);
v->fi->max_offset=max_offset;
if(v->fi&&(v->fi->flags&ALL_REGS))
had_regs=1;
else
had_regs=0;
gen_code(0,first_ic,v,max_offset);
#ifdef HAVE_REGS_MODIFIED
if(!v->fi) v->fi=new_fi();
{
int i;struct IC *p;
for(i=1;i<=MAXR;i++){
if(BTST(regs_modified,i)&®_pair(i,&rp)){
BSET(regs_modified,rp.r1);
BSET(regs_modified,rp.r2);
}
}
#if 1
for(i=1;i<=MAXR;i++){
if(reg_pair(i,&rp)){
if(BTST(regs_modified,rp.r1)||BTST(regs_modified,rp.r2))
BSET(regs_modified,i);
}
}
#endif
if(had_regs){
if(memcmp(regs_modified,v->fi->regs_modified,RSIZE))
error(321,v->identifier);
}else
memcpy(v->fi->regs_modified,regs_modified,RSIZE);
#if 0
printf("regs for %s (ALL_REGS=%d):\n",v->identifier,v->fi->flags&ALL_REGS);
for(i=1;i<MAXR;i++) if(BTST(regs_modified,i)) printf("%s ",regnames[i]);
printf("\n");
#endif
}
#endif
v->flags|=GENERATED;
free_IC(first_ic);
first_ic=last_ic=0;
/*free_var(first_var[nesting]);*/
nesting=0;
}else{
if((c_flags[3]&USEDFLAG)&&ic2){
fprintf(ic2,"function %s\n",v->identifier);
pric(ic2,v->fi->opt_ic);
}
gen_code(f,v->fi->opt_ic,v,v->fi->max_offset);
static_stack_check(v);
}
}
/* handle functions in a const list before caller */
static void do_clist_calls(struct const_list *cl)
{
while(cl){
if(cl->tree&&(cl->tree->o.flags&VARADR)){
struct Var *v=cl->tree->o.v;
if(ISFUNC(v->vtyp->flags)){
if(DEBUG&1)
printf(":: %s\n",v->identifier);
do_function(v);
}
}
if(cl->other)
do_clist_calls(cl->other);
cl=cl->next;
}
}
void do_function(struct Var *v)
{
int i;struct IC *p;
if((v->flags&(GENERATED|DEFINED))!=DEFINED) return;
v->flags|=GENERATED;
if(!v->fi) v->fi=new_fi();
#if 0
for(i=0;i<v->fi->call_cnt;i++){
if(v->fi->call_list[i].v->flags&DEFINED)
do_function(v->fi->call_list[i].v);
}
#endif
/* handle callees before caller */
for(p=v->fi->first_ic;p;p=p->next){
/* direct call */
if(p->code==CALL&&(p->q1.flags&(VAR|DREFOBJ))==VAR)
do_function(p->q1.v);
/* function address is also a candidate */
if((p->q1.flags&(VAR|VARADR))&&ISFUNC(p->q1.v->vtyp->flags))
do_function(p->q1.v);
if((p->q2.flags&(VAR|VARADR))&&ISFUNC(p->q2.v->vtyp->flags))
do_function(p->q2.v);
if((p->z.flags&(VAR|VARADR))&&ISFUNC(p->z.v->vtyp->flags))
do_function(p->z.v);
/* indirect call, handle special case */
if(p->code==CALL&&(p->q1.flags&(VAR|DREFOBJ))==(VAR|DREFOBJ)){
struct Var *v=p->q1.v;
if(v->storage_class==AUTO||v->storage_class==REGISTER){
struct IC *m=p->prev;struct Var *tmp=0;
while(m&&(m->code<LABEL||m->code>=BRA)){
if(!tmp&&(m->z.flags&(VAR|DREFOBJ))==VAR&&m->z.v==v&&
(m->q1.flags&(VAR|DREFOBJ))==(VAR|DREFOBJ))
tmp=m->q1.v;
if(tmp&&(m->z.flags&(VAR|DREFOBJ))==VAR&&m->z.v==tmp&&
(m->q1.flags&(VAR|VARADR))==(VAR|VARADR)&&
m->q1.v->clist&&is_const(m->q1.v->vtyp)){
do_clist_calls(m->q1.v->clist);
}
m=m->prev;
}
}
}
}
gen_function(0,v,0);
}
extern char *copyright;
int main(int argc,char *argv[])
{
int i,j,*fname=malloc(argc*sizeof(int)),files=0;
unsigned long ucpp_flags=LEXER|WARN_TRIGRAPHS|WARN_STANDARD|WARN_ANNOYING/*|CCHARSET*/|HANDLE_PRAGMA|COPY_LINE|WARN_TRIGRAPHS_MORE|HANDLE_TRIGRAPHS;
if(!fname) ierror(0);
memset(fname,0,argc*sizeof(int));
c_flags_val[9].f=dontwarn;
c_flags_val[10].f=warn;
c_flags_val[42].f=misrawarn;
c_flags_val[43].f=misradontwarn;
c_flags_val[44].f=reserve_reg;
for(i=1;i<argc;i++){
if(*argv[i]!='-'){ /* kein Flag */
fname[i]=1;
files++;
if(!inname) inname=argv[i];
}else{
int flag=0;
if(argv[i][1]=='D'||argv[i][1]=='I') flag=1;
for(j=0;j<MAXCF&&flag==0;j++){
size_t l;
if(!c_flags_name[j]) continue;
l=strlen(c_flags_name[j]);
if(l>0&&!strncmp(argv[i]+1,c_flags_name[j],l)&&(argv[i][1+l]==0||argv[i][1+l]=='=')){
flag=1;
if((c_flags[j]&(USEDFLAG|FUNCFLAG))==USEDFLAG){error(2,argv[i]);break;}
c_flags[j]|=USEDFLAG;
if(c_flags[j]&STRINGFLAG){
if(argv[i][l+1]!='='){error(3,argv[i]);}
if(argv[i][l+2]||i>=argc-1)
c_flags_val[j].p=&argv[i][l+2];
else
c_flags_val[j].p=&argv[++i][0];
}
if(c_flags[j]&VALFLAG){
if(argv[i][l+1]!='='){error(4,argv[i]);}
if(argv[i][l+2]||i>=argc-1)
c_flags_val[j].l=atol(&argv[i][l+2]);
else
c_flags_val[j].l=atol(&argv[++i][0]);
}
if(c_flags[j]&FUNCFLAG) c_flags_val[j].f(&argv[i][l+1]);
}
}
for(j=0;j<MAXGF&&flag==0;j++){
size_t l;
if(!g_flags_name[j]) continue;
l=strlen(g_flags_name[j]);
if(l>0&&!strncmp(argv[i]+1,g_flags_name[j],l)){
flag=1;
if((g_flags[j]&(USEDFLAG|FUNCFLAG))==USEDFLAG){error(2,argv[i]);break;}
g_flags[j]|=USEDFLAG;
if(g_flags[j]&STRINGFLAG){
if(argv[i][l+1]!='='){error(3,argv[i]);}
if(argv[i][l+2]||i>=argc-1)
g_flags_val[j].p=&argv[i][l+2];
else
g_flags_val[j].p=&argv[++i][0];
}
if(g_flags[j]&VALFLAG){
if(argv[i][l+1]!='='){error(4,argv[i]);}
if(argv[i][l+2]||i>=argc-1)
g_flags_val[j].l=atol(&argv[i][l+2]);
else
g_flags_val[j].l=atol(&argv[++i][0]);
}
if(g_flags[j]&FUNCFLAG) g_flags_val[j].f(&argv[i][l+1]);
}
}
if(!flag){error(5,argv[i]);}
}
}
if(!(c_flags[6]&USEDFLAG)){
#ifdef SPECIAL_COPYRIGHT
printf("%s\n",SPECIAL_COPYRIGHT);
#else
printf("%s\n",copyright);
printf("%s\n",cg_copyright);
#endif
}
if(c_flags[4]&USEDFLAG) DEBUG=c_flags_val[4].l; else DEBUG=0;
if(c_flags[13]&USEDFLAG) ucpp_flags|=CPLUSPLUS_COMMENTS;
if(c_flags[14]&USEDFLAG) ucpp_flags|=CPLUSPLUS_COMMENTS;
if(c_flags[15]&USEDFLAG) ucpp_flags&=~HANDLE_TRIGRAPHS;
if(c_flags[52]&USEDFLAG) ucpp_flags&=~(WARN_STANDARD|WARN_ANNOYING);
if(c_flags[16]&USEDFLAG) no_inline_peephole=1;
if(c_flags[17]&USEDFLAG) final=1;
if(!(c_flags[8]&USEDFLAG)) c_flags_val[8].l=10; /* max. Fehlerzahl */
if(c_flags[22]&USEDFLAG) c_flags[7]|=USEDFLAG; /* iso=ansi */
if(c_flags[7]&USEDFLAG) error(209);
if(c_flags[0]&USEDFLAG) optflags=c_flags_val[0].l;
if(optflags&16384) cross_module=1;
if(c_flags[11]&USEDFLAG) maxoptpasses=c_flags_val[11].l;
if(c_flags[12]&USEDFLAG) inline_size=c_flags_val[12].l;
if(c_flags[21]&USEDFLAG) fp_assoc=1;
if(c_flags[25]&USEDFLAG) unroll_size=c_flags_val[25].l;
if(c_flags[23]&USEDFLAG) noaliasopt=1;
if(c_flags[27]&USEDFLAG) optspeed=1;
if(c_flags[28]&USEDFLAG) optsize=1;
if(c_flags[29]&USEDFLAG) unroll_all=1;
if(c_flags[30]&USEDFLAG) stack_check=1;
if(c_flags[31]&USEDFLAG) inline_depth=c_flags_val[31].l;
if(c_flags[32]&USEDFLAG) debug_info=1;
if(c_flags[33]&USEDFLAG) c99=1;
if(c_flags[34]&USEDFLAG) {wpo=1;no_emit=1;}
if(c_flags[36]&USEDFLAG) {noitra=1;}
if(c_flags[37]&USEDFLAG) {
misracheck=1;
if ((misraversion==1998) && (c_flags_val[37].l == 2004)) error(328,c_flags_val[37].l,"-misra","");
if ((misraversion==2004) && (c_flags_val[37].l == 1998)) error(328,c_flags_val[37].l,"-misra","");
misraversion=c_flags_val[37].l;
if (!((misraversion==2004) || (misraversion==1998))) error(328,misraversion,"-misra","");
if (misraversion==1998) {
int misra_set_iterator;
for (misra_set_iterator = 0; misra_set_iterator < MISRA_98_RULE_NUMBER; misra_set_iterator++ ) {
if (misra_98_warn_flag[misra_set_iterator] != -1) misra_98_warn_flag[misra_set_iterator] = 1;
}
} else {
int m1, m2;
for (m1 = 0; m1 < MISRA_04_CHAPTER; m1++) {
for (m2 = 0; m2 < MISRA_04_MAX_RULE_IN_CHAPTER; m2++) {
if (misra_04_warn_flag[m1][m2] != -1) misra_04_warn_flag[m1][m2] = 1;
}
}
}
}
if(c_flags[38]&USEDFLAG) {coloring=c_flags_val[38].l;}
if(c_flags[39]&USEDFLAG) {dmalloc=1;}
if(c_flags[40]&USEDFLAG) {disable=c_flags_val[40].l;}
if(c_flags[41]&USEDFLAG) {softfloat=1;}
if(c_flags[45]&USEDFLAG) {ecpp=1;}
if(c_flags[46]&USEDFLAG) {short_push=1;}
if(c_flags[47]&USEDFLAG) {default_unsigned=1;}
if(c_flags[48]&USEDFLAG) {opencl=1;}
if(wpo){
cross_module=1;
optflags=-1;
}
if(optsize){
if(!(c_flags[25]&USEDFLAG)) unroll_size=0;
}
if(ecpp&&c99){
error(333, "c99", "ecpp");
}
if(c99){
ucpp_flags|=CPLUSPLUS_COMMENTS|MACRO_VAARG;
err_out[67].flags|=ANSIV;
err_out[67].flags&=~DONTWARN;
err_out[161].flags|=ANSIV;
err_out[161].flags&=~DONTWARN;
err_out[155].flags|=ANSIV;
err_out[155].flags&=~DONTWARN;
err_out[156].flags|=ANSIV;
err_out[156].flags&=~DONTWARN;
}
if(ecpp){
#ifndef HAVE_ECPP
error(334, "EC++");
#endif
ucpp_flags|=CPLUSPLUS_COMMENTS|MACRO_VAARG;
}
if(!cross_module&&files>1) error(1);
if(files<=0&&!(c_flags[35]&USEDFLAG)) error(6);
stackalign=l2zm(0L);
if(!init_cg()) exit(EXIT_FAILURE);
if(zmeqto(stackalign,l2zm(0L)))
stackalign=maxalign;
for(i=0;i<=MAX_TYPE;i++)
if(zmeqto(align[i],l2zm(0L)))
align[i]=l2zm(1L);
for(i=0;i<EMIT_BUF_DEPTH;i++)
emit_buffer[i]=mymalloc(EMIT_BUF_LEN);
emit_p=emit_buffer[0];
/*FIXME: multiple-ccs don't work */
if(c_flags[24]&USEDFLAG) multiple_ccs=0;
if(!(c_flags[5]&USEDFLAG)){
if(c_flags[1]&USEDFLAG){
out=open_out(c_flags_val[1].p,0);
}else{
if(wpo)
out=open_out(inname,"o");
else
out=open_out(inname,"asm");
}
if(!out){
exit(EXIT_FAILURE);
}
}
if(wpo){
wpo_key=MAGIC_WPO;
fprintf(out,"%cVBCC",0);
}
if(debug_info) init_db(out);
if(c_flags[2]&USEDFLAG) ic1=open_out(inname,"ic1");
if(c_flags[3]&USEDFLAG) ic2=open_out(inname,"ic2");
c99_compliant=0;
init_cpp();
if(c_flags[35]&USEDFLAG){
/* we have a command file */
cmdfile=fopen(c_flags_val[35].p,"r");
if(!cmdfile) error(7,c_flags_val[35].p);
}
for(i=1;cmdfile||i<argc;i++){
FILE *in;
int first_byte;
if(i<argc){
if(!fname[i]) continue;
inname=argv[i];
}else{
static char nbuf[1024];
if(!fgets(nbuf,1023,cmdfile)) break;
inname=nbuf;
while(isspace((unsigned char)*inname)) inname++;
if(*inname=='\"') inname++;
if(inname[strlen(inname)-1]=='\n') inname[strlen(inname)-1]=0;
if(inname[strlen(inname)-1]=='\"') inname[strlen(inname)-1]=0;
if(!*inname) break;
}
if(DEBUG&1) printf("starting translation-unit <%s>\n",inname);
in=fopen(inname,"r");
if(!in) {error(7,inname);}
misratok=0;
first_byte=fgetc(in);
if(first_byte==0){
input_wpo=in;
if(fgetc(in)!='V') error(300);
if(fgetc(in)!='B') error(300);
if(fgetc(in)!='C') error(300);
if(fgetc(in)!='C') error(300);
wpo_key=MAGIC_WPO;
}else{
ungetc(first_byte,in);
input_wpo=0;
}
if(c_flags[50]&USEDFLAG){
char *p;
depout=open_out(inname,"dep");
/* nicht super schoen (besser letzten Punkt statt ersten), aber kurz.. */
for(p=inname;*p&&*p!='.';p++) fprintf(depout,"%c",*p);
fprintf(depout,".o: %s",inname);
}
if(c_flags[18]&USEDFLAG) ppout=open_out(inname,"i");
if(!input_wpo){
int mcmerk=misracheck;
misracheck=0;
init_tables(0);
init_include_path(0);
set_init_filename(inname,1);
init_lexer_state(&ls);
init_lexer_mode(&ls);
ls.flags=ucpp_flags;
ls.input=in;
for(j=1;j<argc;j++){
if(argv[j][0]=='-'&&argv[j][1]=='I')
add_incpath(&argv[j][2]);
if(argv[j][0]=='-'&&argv[j][1]=='D')
define_macro(&ls,&argv[j][2]);
}
if(target_macros){
char **m=target_macros;
while(*m)
define_macro(&ls,*m++);
}
define_macro(&ls,"__VBCC__");
define_macro(&ls,"__entry=__vattr(\"entry\")");
define_macro(&ls,"__str(x)=#x");
define_macro(&ls,"__asm(x)=do{static void inline_assembly()=x;inline_assembly();}while(0)");
define_macro(&ls,"__regsused(x)=__vattr(\"regused(\"x\")\")");
define_macro(&ls,"__varsused(x)=__vattr(\"varused(\"x\")\")");
define_macro(&ls,"__varsmodified(x)=__vattr(\"varchanged(\"x\")\")");
define_macro(&ls,"__noreturn=__vattr(\"noreturn()\")");
define_macro(&ls,"__alwaysreturn=__vattr(\"alwaysreturn()\")");
define_macro(&ls,"__nosidefx=__vattr(\"nosidefx()\")");
define_macro(&ls,"__stack(x)=__vattr(__str(stack1(x)))");
define_macro(&ls,"__stack2(x)=__vattr(__str(stack2(x)))");
if(c99)
define_macro(&ls,"__STDC_VERSION__=199901L");
misracheck=mcmerk;
enter_file(&ls,ls.flags);
}
filename=current_filename;
switch_count=0;break_label=0;
line=0;eof=0;
next_token();
killsp();
nesting=-1;enter_block();
translation_unit();
fclose(in); /*FIXME: do I have to close??*/
if((c_flags[18]&USEDFLAG)&&ppout) fclose(ppout);
if((c_flags[50]&USEDFLAG)&&depout){fprintf(depout,"\n");fclose(depout);}
if(!input_wpo)
free_lexer_state(&ls);
}
if(wpo)
raus();
if(!cross_module){
ierror(0);
}else{
struct tunit *t;
struct Var *v,*sf;
#if HAVE_OSEK
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
/* removed */
#endif
if(DEBUG&1) printf("first optimizing\n");
for(v=first_ext;v;v=v->next){
if(ISFUNC(v->vtyp->flags)&&(v->flags&DEFINED)&&(!v->vattr||!strstr(v->vattr,"taskprio("))){
do_function(v);
}
}
for(t=first_tunit;t;t=t->next){
for(v=t->statics;v;v=v->next){
if(ISFUNC(v->vtyp->flags)&&(v->flags&DEFINED)){
do_function(v);
}
}
}
if(DEBUG&1) printf("determining used objects\n");
for(v=first_ext;v;v=v->next){
if((v->flags&(DEFINED|TENTATIVE))&&(v->flags&(INLINEFUNC|INLINEEXT))!=INLINEFUNC){
if(!final||!strcmp(v->identifier,"main")||(v->vattr&&strstr(v->vattr,"entry"))){
used_objects(v);
if(ISFUNC(v->vtyp->flags)) do_function(v);
}
}
}
if(!(c_flags[5]&USEDFLAG)){
if(DEBUG&1) printf("generating external functions:\n");
for(v=first_ext;v;v=v->next){
if(ISFUNC(v->vtyp->flags)&&(v->flags&(REFERENCED|DEFINED))==(REFERENCED|DEFINED)){
gen_function(out,v,1);
}
}
if(DEBUG&1024) printf("generating static functions\n");
i=0;
for(t=first_tunit;t;t=t->next){
if(DEBUG&1) printf("translation-unit %d:\n",++i);
if(DEBUG&1) printf("generating statics:\n");
for(v=t->statics;v;v=v->next){
if(DEBUG&1) printf(" %s\n",v->identifier);
if(ISFUNC(v->vtyp->flags)&&(v->flags&(REFERENCED|DEFINED))==(REFERENCED|DEFINED)){
gen_function(out,v,1);
}
}
}
if(DEBUG&1) printf("generating vars:\n");
gen_vars(first_ext);
for(t=first_tunit;t;t=t->next)
gen_vars(t->statics);
for(v=first_ext;v;v=v->next){
if(ISFUNC(v->vtyp->flags)&&(v->flags&DEFINED))
gen_vars(v->fi->vars);
}
for(t=first_tunit;t;t=t->next){
for(v=t->statics;v;v=v->next){
if(ISFUNC(v->vtyp->flags)&&(v->flags&DEFINED))
gen_vars(v->fi->vars);
}
}
}
}
raus();
}
int mcmp(const char *s1,const char *s2)
/* Einfachere strcmp-Variante. */
{
char c;
do{
c=*s1++;
if(c!=*s2++) return(1);
}while(c);
return 0;
}
int is_keyword(char *p)
{
char *n=p+1;
switch(*p){
case 'a':
if(!mcmp(n,"uto")) return 1;
return 0;
case 'b':
if(ecpp&&!mcmp(n,"ool")) return 1;
if(!mcmp(n,"reak")) return 1;
return 0;
case 'c':
if(!mcmp(n,"ase")) return 1;
if(ecpp&&!mcmp(n,"atch")) return 1;
if(!mcmp(n,"har")) return 1;
if(ecpp&&!mcmp(n,"lass")) return 1;
if(!mcmp(n,"onst")) return 1;
if(ecpp&&!mcmp(n,"ons_cast")) return 1;
if(!mcmp(n,"ontinue")) return 1;
return 0;
case 'd':
if(!mcmp(n,"efault")) return 1;
if(ecpp&&!mcmp(n,"elete")) return 1;
if(!mcmp(n,"o")) return 1;
if(!mcmp(n,"ouble")) return 1;
if(ecpp&&!mcmp(n,"ynamic_cast")) return 1;
return 0;
case 'e':
if(!mcmp(n,"lse")) return 1;
if(!mcmp(n,"num")) return 1;
if(ecpp&&!mcmp(n,"xplicit")) return 1;
if(ecpp&&!mcmp(n,"xport")) return 1;
if(!mcmp(n,"xtern")) return 1;
return 0;
case 'f':
if(ecpp&&!mcmp(n,"alse")) return 1;
if(!mcmp(n,"loat")) return 1;
if(!mcmp(n,"or")) return 1;
if(ecpp&&!mcmp(n,"riend")) return 1;
return 0;
case 'g':
if(!mcmp(n,"oto")) return 1;
return 0;
case 'i':
if(!mcmp(n,"f")) return 1;
if(c99&&!mcmp(n,"nline")) return 1;
if(!mcmp(n,"nt")) return 1;
return 0;
case 'l':
if(!mcmp(n,"ong")) return 1;
return 0;