| PulkoMandy | 17fc759 | 2022-07-28 18:27:54 +0200 | [diff] [blame] | 1 | /* Test-language for vbcc. */ |
| 2 | |
| 3 | #include "supp.h" |
| 4 | |
| 5 | struct Var *fv; |
| 6 | |
| 7 | struct Typ tint,mfunc; |
| 8 | struct struct_declaration msd; /* initialized to zero */ |
| 9 | |
| 10 | void raus(void) |
| 11 | { |
| 12 | while(fv){ |
| 13 | struct Var *m=fv->next; |
| 14 | free(fv); |
| 15 | fv=m; |
| 16 | } |
| 17 | while(first_ic){ |
| 18 | struct IC *m=first_ic->next; |
| 19 | free(first_ic); |
| 20 | first_ic=m; |
| 21 | } |
| 22 | exit(0); |
| 23 | } |
| 24 | void add_IC(struct IC *new) |
| 25 | { |
| 26 | new->next=0; |
| 27 | new->prev=last_ic; |
| 28 | new->change_cnt=new->use_cnt=0; |
| 29 | new->change_list=new->use_list=0; |
| 30 | new->line=0; |
| 31 | new->file=0; |
| 32 | if(!last_ic){ |
| 33 | first_ic=new; |
| 34 | }else{ |
| 35 | last_ic->next=new; |
| 36 | } |
| 37 | last_ic=new; |
| 38 | } |
| 39 | struct Var *add_var(char *name,struct Typ *t,int sc) |
| 40 | { |
| 41 | struct Var *v=mymalloc(sizeof(*v)); |
| 42 | v->vtyp=t; |
| 43 | v->storage_class=sc; |
| 44 | v->reg=0; |
| 45 | v->identifier=name; |
| 46 | v->offset=max_offset; |
| 47 | if(sc==AUTO) max_offset=zmadd(max_offset,sizetab[t->flags&NQ]); |
| 48 | v->priority=1; |
| 49 | v->flags=0; |
| 50 | v->next=fv; |
| 51 | v->clist=0; |
| 52 | v->fi=0; |
| 53 | v->inline_copy=0; |
| 54 | fv=v; |
| 55 | return v; |
| 56 | } |
| 57 | struct Var *add_tmp_var(struct Typ *t) |
| 58 | { |
| 59 | return add_var(empty,t,AUTO); |
| 60 | } |
| 61 | struct Var *get_var(char *name) |
| 62 | { |
| 63 | struct Var *v;char *buf; |
| 64 | for(v=fv;v;v=v->next){ |
| 65 | if(!strcmp(name,v->identifier)) return v; |
| 66 | } |
| 67 | buf=mymalloc(strlen(name)+1); |
| 68 | strcpy(buf,name); |
| 69 | return add_var(buf,&tint,AUTO); |
| 70 | } |
| 71 | |
| 72 | void read_ics() |
| 73 | { |
| 74 | char s[400],q1[100],q2[100],z[100],op; |
| 75 | struct IC *new; |
| 76 | gets(s); |
| 77 | while(sscanf(s,"%99s = %99s %c %99s",z,q1,&op,q2)==4){ |
| 78 | new=new_IC(); |
| 79 | switch(op){ |
| 80 | case '+': new->code=ADD;break; |
| 81 | case '*': new->code=MULT;break; |
| 82 | case '-': new->code=SUB;break; |
| 83 | case '/': new->code=DIV;break; |
| 84 | default: return; |
| 85 | } |
| 86 | new->typf=INT; |
| 87 | new->q1.flags=new->q2.flags=new->z.flags=VAR; |
| 88 | new->q1.am=new->q2.am=new->z.am=0; |
| 89 | new->q1.val.vmax=l2zm(0L); |
| 90 | new->q2.val.vmax=l2zm(0L); |
| 91 | new->z.val.vmax=l2zm(0L); |
| 92 | new->q1.v=get_var(q1); |
| 93 | new->q2.v=get_var(q2); |
| 94 | new->z.v=get_var(z); |
| 95 | add_IC(new); |
| 96 | gets(s); |
| 97 | } |
| 98 | } |
| 99 | void error(int n,...) |
| 100 | { |
| 101 | printf("error %d\n",n); |
| 102 | raus(); |
| 103 | } |
| 104 | void savescratch() |
| 105 | {} |
| 106 | |
| 107 | main() |
| 108 | { |
| 109 | struct Var *main; |
| 110 | max_offset=l2zm(0L); |
| 111 | if(!init_cg()) raus(); |
| 112 | tint.flags=INT; |
| 113 | tint.next=0; |
| 114 | mfunc.flags=FUNKT; |
| 115 | mfunc.next=∭ |
| 116 | mfunc.exact=&msd; |
| 117 | main=add_var("main",&mfunc,EXTERN); |
| 118 | read_ics(); |
| 119 | printf("optflags: "); |
| 120 | scanf("%ld",&optflags); |
| 121 | pric(stdout,first_ic); |
| 122 | vl1=vl3=0; |
| 123 | vl2=fv; |
| 124 | optimize(optflags,main); |
| 125 | pric(stdout,first_ic); |
| 126 | gen_code(stdout,first_ic,main,max_offset); |
| 127 | raus(); |
| 128 | } |