Free Hero Mesh

Check-in [e049e8ed33]
Login
Home Timeline Files Branches Tags Tickets Wiki Sitemap
This is a mirror of the main repository for Free Hero Mesh. New tickets and changes will not be accepted at this mirror.
Overview
Comment:More parsing of .class file
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: e049e8ed331faa2517b6ac69352f5bc5c86ca555
User & Date: user on 2018-05-19 19:23:52
Other Links: manifest | tags
Context
2018-05-19
22:31
Add shell script to compile everything; support $CFLAGS and $EXE environment variables check-in: f833310c79 user: user tags: trunk
19:23
More parsing of .class file check-in: e049e8ed33 user: user tags: trunk
2018-05-05
23:58
Implement preprocessor, and add some more opcode names, and a few bug fixed check-in: 79caf678be user: user tags: trunk
Changes
Hide Diffs Side-by-Side Diffs Ignore Whitespace Patch

Modified class.c from [10cd656230] to [aa9b29b498].

︙
33
34
35
36
37
38
39


40
41
42
43
44
45

46
47
48
49
50
51
52

33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55








+
+






+








typedef struct {
  const char*txt;
  Uint32 num;
} Op_Names;
#include "instruc.h"
#define Tokenf(x) (tokent&(x))

Value globals[0x800];
Value initglobals[0x800];
Class*classes[0x4000];
const char*messages[0x4000];
Uint16 functions[0x4000];
int max_animation=32;
Sint32 max_volume=10000;
Uint8 back_color=1;
char**stringpool;

#define HASH_SIZE 8888
#define LOCAL_HASH_SIZE 5555
typedef struct {
  Uint16 id;
  char*txt;
} Hash;
︙
77
78
79
80
81
82
83


84
85
86
87
88
89
90

80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95








+
+








static Uint32 tokenv;
static int linenum=1;
static char tokenstr[0x2000];
static int undef_class=1;
static int undef_message=0;
static int num_globals=0;
static int num_functions=0;
static int num_strings=0;
static char pushback=0;
static Hash*glohash;
static InputStack*inpstack;
static MacroStack*macstack;
static TokenList**macros;

#define ParseError(a,...) fatal("On line %d: " a,linenum,##__VA_ARGS__)
︙
217
218
219
220
221
222
223
224

225
226
227
228
229
230
231

222
223
224
225
226
227
228

229
230
231
232
233
234
235
236








-
+








  if(!cl) fatal("Allocation failed\n");
  cl->name=strdup(name);
  if(!cl->name) fatal("Allocation failed\n");
  cl->edithelp=cl->gamehelp=0;
  cl->codes=cl->messages=cl->images=0;
  cl->height=cl->weight=cl->climb=cl->density=cl->volume=cl->strength=cl->arrivals=cl->departures=0;
  cl->temperature=cl->misc4=cl->misc5=cl->misc6=cl->misc7=0;
  cl->uservars=cl->hard[0]=cl->hard[1]=cl->hard[2]=cl->hard[3]=0;
  cl->uservars=cl->hard[0]=cl->hard[1]=cl->hard[2]=cl->hard[3]=cl->nmsg=0;
  cl->oflags=cl->sharp[0]=cl->sharp[1]=cl->sharp[2]=cl->sharp[3]=0;
  cl->shape=cl->shovable=cl->collisionLayers=cl->nimages=0;
  cl->cflags=f;
  if(undef_class<=n) undef_class=n+1;
}

static int look_class_name(void) {
︙
584
585
586
587
588
589
590




591
592
593
594
595
596
597

589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606








+
+
+
+








      *ap=add_macro();
      ap=&((*ap)->next);
    }
  }
}

static void nxttok(void) {
  if(pushback) {
    pushback=0;
    return;
  }
  again:
  nxttok1();
  if(tokent&TF_EOF) {
    if(inpstack) {
      InputStack s=*inpstack;
      free(inpstack);
      fclose(classfp);
︙
771
772
773
774
775
776
777
778












































































779
780


781
782
783
784
785
786
787


788
789
790
791
792
793
794

780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883









+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+


+
+







+
+








          break;
        default:
          ParseError("Strange macro token: 0x%04X\n",glohash[tokenv].id);
      }
    }
  }
}

static int pool_string(const char*s) {
  int i;
  for(i=0;i<num_strings;i++) if(!strcmp(s,stringpool[i])) return i;
  i=num_strings++;
  if(i>32768) ParseError("Too many string literals\n");
  stringpool=realloc(stringpool,num_strings*sizeof(stringpool));
  if(!stringpool) fatal("Allocation failed\n");
  stringpool[i]=strdup(s);
  if(!stringpool[i]) fatal("Allocation failed\n");
  return i;
}

static Value parse_constant_value(void) {
  if(tokent==TF_INT) {
    return NVALUE(tokenv);
  } else if(Tokenf(TF_NAME)) {
    switch(tokenv) {
      case 0x0000 ... 0x00FF: return NVALUE(tokenv);
      case 0x0100 ... 0x01FF: return NVALUE(tokenv-0x0200);
      case 0x0200 ... 0x02FF: return MVALUE(tokenv&255);
      case 0x0300 ... 0x03FF: return UVALUE(0,TY_SOUND);
      case 0x0400 ... 0x04FF: return UVALUE(0,TY_USOUND);
      case 0x4000 ... 0x7FFF: return CVALUE(tokenv-0x4000);
      case OP_STRING: return UVALUE(pool_string(tokenstr),TY_STRING);
      case OP_BITCONSTANT ... OP_BITCONSTANT_LAST: return NVALUE(1<<(tokenv&31));
      case 0xC000 ... 0xFFFF: return MVALUE(tokenv-0xBF00);
    }
  }
  ParseError("Constant value expected\n");
}

#define AddInst(x) (cl->codes[ptr++]=(x),prflag=0)
#define AddInst2(x,y) (cl->codes[ptr++]=(x),cl->codes[ptr++]=(y),prflag=0,peep=ptr)
#define AddInstF(x,y) (cl->codes[ptr++]=(x),prflag=(y))
static int parse_instructions(int cla,int ptr,Hash*hash) {
  int peep=ptr;
  int prflag=0;
  Class*cl=classes[cla];
  cl->codes=realloc(cl->codes,0x10000*sizeof(Uint16));
  if(!cl->codes) fatal("Allocation failed\n");
  for(;;) {
    nxttok();
    if(Tokenf(TF_MACRO)) ParseError("Unexpected macro\n");
    if(Tokenf(TF_INT)) {
      
    } else if(Tokenf(TF_NAME)) {
      switch(tokenv) {
        
        default:
          if(Tokenf(TF_ABNORMAL)) ParseError("Invalid instruction token\n");
          AddInstF(tokenv,tokent);
      }
    } else if(Tokenf(TF_FUNCTION)) {
      AddInst2(OP_FUNCTION,tokenv&0x3FFF);
    } else if(tokent==TF_OPEN) {
      nxttok();
      if(Tokenf(TF_MACRO) || !Tokenf(TF_NAME)) ParseError("Invalid parenthesized instruction\n");
      switch(tokenv) {
        
        default:
          ParseError("Invalid parenthesized instruction\n");
      }
    } else if(tokent==TF_CLOSE) {
      
      if(peep<ptr && cl->codes[ptr-1]<0x0100) cl->codes[ptr-1]+=0x1E00;
      else AddInst(OP_RET);
      break;
    } else {
      ParseError("Invalid instruction token\n");
    }
    if(ptr>=0xFFEF) ParseError("Out of code space\n");
  }
  cl->codes=realloc(cl->codes,ptr*sizeof(Uint16))?:cl->codes;
  return ptr;
}

void load_classes(void) {
  int i;
  int gloptr=0;
  Hash*glolocalhash;
  char*nam=sqlite3_mprintf("%s.class",basefilename);
  if(!nam) fatal("Allocation failed\n");
  classfp=fopen(nam,"r");
  sqlite3_free(nam);
  if(!classfp) fatal("Cannot open class file '%s': %m\n",nam);
  glohash=calloc(HASH_SIZE,sizeof(Hash));
  if(!glohash) fatal("Allocation failed\n");
  glolocalhash=calloc(LOCAL_HASH_SIZE,sizeof(Hash));
  if(!glolocalhash) fatal("Allocation failed\n");
  strcpy(tokenstr,"+"); glohash[look_hash_mac()].id=MAC_ADD;
  strcpy(tokenstr,"-"); glohash[look_hash_mac()].id=MAC_SUB;
  strcpy(tokenstr,"*"); glohash[look_hash_mac()].id=MAC_MUL;
  strcpy(tokenstr,"/"); glohash[look_hash_mac()].id=MAC_DIV;
  strcpy(tokenstr,"mod"); glohash[look_hash_mac()].id=MAC_MOD;
  strcpy(tokenstr,"band"); glohash[look_hash_mac()].id=MAC_BAND;
  strcpy(tokenstr,"bor"); glohash[look_hash_mac()].id=MAC_BOR;
︙
807
808
809
810
811
812
813












814















































815
816
817
818







819
820
821
822
823
824
825

896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914

915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979








+
+
+
+
+
+
+
+
+
+
+
+
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




+
+
+
+
+
+
+








        if(tokenstr[i]<32 || tokenstr[i]>126) printf("<%02X>",tokenstr[i]&255);
        else putchar(tokenstr[i]);
      }
      printf("\"\n");
      if(Tokenf(TF_EOF)) goto done;
    }
  }
  *classes=malloc(sizeof(Class));
  if(!*classes) fatal("Allocation failed\n");
  classes[0]->name=classes[0]->edithelp=classes[0]->gamehelp=0;
  classes[0]->codes=classes[0]->messages=classes[0]->images=0;
  classes[0]->nmsg=0;
  memset(functions,-1,sizeof(functions));
  for(;;) {
    nxttok();
    if(tokent==TF_EOF) goto done;
    if(tokent!=TF_OPEN) ParseError("Expected open parenthesis\n");
    nxttok();
    if(Tokenf(TF_FUNCTION)) {
  
      
    } else if(Tokenf(TF_NAME)) {
      switch(tokenv) {
        case 0x4000 ... 0x7FFF: // Class definition
          
          break;
        case 0x0200 ... 0x02FF: case 0xC000 ... 0xFFFF: // Default message handler
          
          break;
        case 0x2800 ... 0x2FFF: // Define initial values of global variables
          i=tokenv-0x2800;
          nxttok();
          if(tokent==TF_CLOSE) break;
          initglobals[i]=parse_constant_value();
          nxttok();
          if(tokent!=TF_CLOSE) ParseError("Expected close parenthesis\n");
          break;
        case OP_BACKGROUND:
          nxttok();
          if(tokent!=TF_INT) ParseError("Number expected\n");
          if(tokenv&~255) ParseError("Background color out of range\n");
          back_color=tokenv;
          nxttok();
          if(tokent!=TF_CLOSE) ParseError("Expected close parenthesis\n");
          break;
        case OP_ANIMATE:
          nxttok();
          if(tokent!=TF_INT) ParseError("Number expected\n");
          if(tokenv<1 || tokenv>256) ParseError("Number of max animation steps out of range\n");
          max_animation=tokenv;
          nxttok();
          if(tokent!=TF_CLOSE) ParseError("Expected close parenthesis\n");
          break;
        case OP_VOLUME:
          nxttok();
          if(tokent!=TF_INT) ParseError("Number expected\n");
          max_volume=tokenv;
          nxttok();
          if(tokent!=TF_CLOSE) ParseError("Expected close parenthesis\n");
          break;
        default:
          ParseError("Invalid top level definition: %s\n",tokenstr);
      }
    } else {
      ParseError("Invalid top level definition\n");
    }
  }
  done:
  fclose(classfp);
  if(main_options['H']) {
    for(i=0;i<HASH_SIZE;i++) if(glohash[i].id) printf("\"%s\": %04X\n",glohash[i].txt,glohash[i].id);
  }
  for(i=0;i<LOCAL_HASH_SIZE;i++) free(glolocalhash[i].txt);
  free(glolocalhash);
  for(i=0;i<num_functions;i++) if(functions[i]==0xFFFF) {
    int j;
    for(j=0;j<HASH_SIZE;j++) if(glohash[j].id==i+0x8000) fatal("Function &%s mentioned but not defined\n",glohash[j].txt);
    fatal("Function mentioned but not defined\n");
  }
  for(i=0;i<HASH_SIZE;i++) free(glohash[i].txt);
  free(glohash);
  for(i=1;i<undef_class;i++) if(classes[i] && (classes[i]->cflags&CF_NOCLASS1)) fatal("Class $%s mentioned but not defined\n",classes[i]->name);
  if(macros) for(i=0;i<MAX_MACRO;i++) if(macros[i]) free_macro(macros[i]);
  free(macros);
}

Modified heromesh.h from [27851ceca3] to [6804915000].

︙
19
20
21
22
23
24
25






26
27
28
29
30
31
32

19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38








+
+
+
+
+
+








typedef struct {
  union {
    Sint32 s;
    Uint32 u;
  };
  Uint32 t; // Type 0-15, or a generation_number of an object
} Value;
#define UVALUE(x,y) ((Value){.u=x,.t=y})
#define SVALUE(x,y) ((Value){.s=x,.t=y})
#define NVALUE(x) SVALUE(x,TY_NUMBER)
#define CVALUE(x) UVALUE(x,TY_CLASS)
#define MVALUE(x) UVALUE(x,TY_MESSAGE)
#define ZVALUE(x) UVALUE(x,TY_STRING)

extern const char*const standard_message_names[];
extern const char*const standard_sound_names[];
extern const char*const heromesh_key_names[256];

extern sqlite3*userdb;
extern xrm_db*resourcedb;
︙
72
73
74
75
76
77
78
79

80
81
82
83
84


85
86
87
88
89
90

91
92
93
94
95
96
97

78
79
80
81
82
83
84

85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106








-
+





+
+






+








  const char*edithelp; // not present if CF_GROUP
  const char*gamehelp; // not present if CF_GROUP
  Uint16*codes; // if this is CF_GROUP, then instead a zero-terminated list of classes
  Uint16*messages; // use 0xFFFF if no such message block; not present if CF_GROUP
  Uint16*images; // high bit is set if available to editor; not present if CF_GROUP
  Sint32 height,weight,climb,density,volume,strength,arrivals,departures;
  Sint32 temperature,misc4,misc5,misc6,misc7;
  Uint16 uservars,oflags;
  Uint16 uservars,oflags,nmsg;
  Uint16 sharp[4];
  Uint16 hard[4];
  Uint8 cflags,shape,shovable,collisionLayers,nimages;
} Class;

extern Value globals[0x800];
extern Value initglobals[0x800];
extern Class*classes[0x4000]; // 0 isn't a real class
extern const char*messages[0x4000]; // index is 256 less than message number
extern Uint16 functions[0x4000];
extern int max_animation; // max steps in animation queue (default 32)
extern Sint32 max_volume; // max total volume to allow moving diagonally (default 10000)
extern Uint8 back_color;
extern char**stringpool;

void load_classes(void);

// == bindings ==

typedef struct {
  char cmd;
︙

Modified instruc from [ef77bce557] to [0dc50cbad6].

︙
51
52
53
54
55
56
57
58

59
60
61
62
63
64
65

51
52
53
54
55
56
57

58
59
60
61
62
63
64
65








-
+








#bit24
#bit25
#bit26
#bit27
#bit28
#bit29
#bit30
#bit31
bitconstant_last "bit31"

; Animation constants
STOP (0000)
ONCE (0001)
LOOP (0002)
OSC (0008)
OSCLOOP (000A)
︙
231
232
233
234
235
236
237


238

231
232
233
234
235
236
237
238
239
240








+
+


,YDir

; Specials
*Function
*Local
*Label
*String
*Int16
*Int32

Modified instruc.h from [a3dc22f64a] to [834265d374]. 

1

2
3
4
5
6
7
8

1
2
3
4
5
6
7
8
9


+








#define OP_BITCONSTANT 34792
#define OP_BITCONSTANT_LAST 34815
#define OP_STOP 0
#define OP_ONCE 1
#define OP_LOOP 2
#define OP_OSC 8
#define OP_OSCLOOP 10
#define OP_DROP 32768
#define OP_DROP_D 40960
︙
338
339
340
341
342
343
344


345
346
347
348
349
350
351

339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354








+
+








#define OP_XDIR_C 34976
#define OP_YDIR 32929
#define OP_YDIR_C 34977
#define OP_FUNCTION 32930
#define OP_LOCAL 32931
#define OP_LABEL 32932
#define OP_STRING 32933
#define OP_INT16 32934
#define OP_INT32 32935
#ifdef HEROMESH_CLASS
static const Op_Names op_names[]={
{"*",8486933},
{"+",8421395},
{"-",8421396},
{".",10518528},
{"/",8486934},
︙

This page was generated in about 0.028s by Fossil version [8be0372c10] 2024-04-23 13:25:26