414 lines
7.0 KiB
Plaintext
414 lines
7.0 KiB
Plaintext
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%{
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#include <stdio.h>
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#include <stdlib.h>
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extern char *word;
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extern char writecode;
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extern int number;
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extern int unit;
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char nice_name[1000];
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char *it;
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int sofar;
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int width;
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int code;
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char * repeat;
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char *oldrepeat;
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char *name;
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int rdepth;
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char *loop [] = {"","n","m","/*BAD*/"};
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char *names[] = {" ","[n]","[n][m]"};
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char *pnames[]= {"","*","**"};
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%}
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%union {
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int i;
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char *s;
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}
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%token COND
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%token REPEAT
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%token '(' ')'
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%token <s> TYPE
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%token <s> NAME
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%token <i> NUMBER UNIT
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%type <i> attr_size
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%type <s> attr_desc attr_id attr_type
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%%
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top: {
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switch (writecode)
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{
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case 'i':
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printf("#ifdef SYSROFF_SWAP_IN\n");
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break;
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case 'p':
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printf("#ifdef SYSROFF_p\n");
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break;
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case 'd':
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break;
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case 'g':
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printf("#ifdef SYSROFF_SWAP_OUT\n");
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break;
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case 'c':
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printf("#ifdef SYSROFF_PRINT\n");
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printf("#include <stdio.h>\n");
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printf("#include <stdlib.h>\n");
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break;
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}
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}
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it_list {
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switch (writecode) {
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case 'i':
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case 'p':
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case 'g':
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case 'c':
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printf("#endif\n");
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break;
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case 'd':
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break;
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}
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}
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;
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it_list: it it_list
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;
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it:
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'(' NAME NUMBER
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{
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it = $2; code = $3;
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switch (writecode)
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{
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case 'd':
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printf("\n\n\n#define IT_%s_CODE 0x%x\n", it,code);
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printf("struct IT_%s { \n", it);
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break;
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case 'i':
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printf("void sysroff_swap_%s_in(ptr)\n",$2);
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printf("struct IT_%s *ptr;\n", it);
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printf("{\n");
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printf("char raw[255];\n");
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printf("\tint idx = 0 ;\n");
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printf("\tint size;\n");
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printf("memset(raw,0,255);\n");
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printf("memset(ptr,0,sizeof(*ptr));\n");
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printf("size = fillup(raw);\n");
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break;
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case 'g':
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printf("void sysroff_swap_%s_out(file,ptr)\n",$2);
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printf("FILE * file;\n");
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printf("struct IT_%s *ptr;\n", it);
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printf("{\n");
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printf("\tchar raw[255];\n");
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printf("\tint idx = 16 ;\n");
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printf("\tmemset (raw, 0, 255);\n");
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printf("\tcode = IT_%s_CODE;\n", it);
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break;
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case 'o':
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printf("void sysroff_swap_%s_out(abfd,ptr)\n",$2);
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printf("bfd * abfd;\n");
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printf("struct IT_%s *ptr;\n",it);
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printf("{\n");
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printf("int idx = 0 ;\n");
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break;
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case 'c':
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printf("void sysroff_print_%s_out(ptr)\n",$2);
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printf("struct IT_%s *ptr;\n", it);
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printf("{\n");
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printf("itheader(\"%s\", IT_%s_CODE);\n",$2,$2);
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break;
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case 't':
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break;
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}
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}
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it_field_list
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')'
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{
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switch (writecode) {
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case 'd':
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printf("};\n");
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break;
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case 'g':
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printf("\tchecksum(file,raw, idx, IT_%s_CODE);\n", it);
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case 'i':
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case 'o':
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case 'c':
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printf("}\n");
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}
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}
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;
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it_field_list:
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it_field it_field_list
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| cond_it_field it_field_list
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| repeat_it_field it_field_list
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;
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repeat_it_field: '(' REPEAT NAME
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{
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rdepth++;
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switch (writecode)
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{
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case 'c':
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if (rdepth==1)
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printf("\tprintf(\"repeat %%d\\n\", %s);\n",$3);
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if (rdepth==2)
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printf("\tprintf(\"repeat %%d\\n\", %s[n]);\n",$3);
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case 'i':
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case 'g':
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case 'o':
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if (rdepth==1)
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{
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printf("\t{ int n; for (n = 0; n < %s; n++) {\n", $3);
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}
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if (rdepth == 2) {
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printf("\t{ int m; for (m = 0; m < %s[n]; m++) {\n", $3);
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}
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break;
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}
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oldrepeat = repeat;
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repeat = $3;
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}
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it_field_list ')'
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{
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repeat = oldrepeat;
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oldrepeat =0;
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rdepth--;
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switch (writecode)
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{
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case 'i':
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case 'g':
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case 'o':
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case 'c':
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printf("\t}}\n");
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}
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}
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;
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cond_it_field: '(' COND NAME
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{
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switch (writecode)
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{
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case 'i':
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case 'g':
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case 'o':
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case 'c':
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printf("\tif (%s) {\n", $3);
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break;
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}
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}
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it_field_list ')'
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{
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switch (writecode)
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{
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case 'i':
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case 'g':
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case 'o':
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case 'c':
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printf("\t}\n");
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}
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}
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;
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it_field:
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'(' attr_desc '(' attr_type attr_size ')' attr_id
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{name = $7; }
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enums ')'
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{
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char *desc = $2;
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char *type = $4;
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int size = $5;
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char *id = $7;
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char *p = names[rdepth];
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char *ptr = pnames[rdepth];
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switch (writecode)
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{
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case 'g':
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if (size % 8)
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{
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printf("\twriteBITS(ptr->%s%s,raw,&idx,%d);\n",
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id,
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names[rdepth], size);
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}
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else {
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printf("\twrite%s(ptr->%s%s,raw,&idx,%d,file);\n",
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type,
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id,
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names[rdepth],size/8);
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}
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break;
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case 'i':
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{
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if (rdepth >= 1)
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{
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printf("if (!ptr->%s) ptr->%s = (%s*)xcalloc(%s, sizeof(ptr->%s[0]));\n",
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id,
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id,
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type,
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repeat,
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id);
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}
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if (rdepth == 2)
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{
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printf("if (!ptr->%s[n]) ptr->%s[n] = (%s**)xcalloc(%s[n], sizeof(ptr->%s[n][0]));\n",
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id,
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id,
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type,
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repeat,
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id);
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}
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}
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if (size % 8)
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{
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printf("\tptr->%s%s = getBITS(raw,&idx, %d,size);\n",
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id,
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names[rdepth],
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size);
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}
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else {
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printf("\tptr->%s%s = get%s(raw,&idx, %d,size);\n",
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id,
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names[rdepth],
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type,
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size/8);
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}
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break;
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case 'o':
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printf("\tput%s(raw,%d,%d,&idx,ptr->%s%s);\n", type,size/8,size%8,id,names[rdepth]);
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break;
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case 'd':
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if (repeat)
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printf("\t/* repeat %s */\n", repeat);
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if (type[0] == 'I') {
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printf("\tint %s%s; \t/* %s */\n",ptr,id, desc);
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}
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else if (type[0] =='C') {
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printf("\tchar %s*%s;\t /* %s */\n",ptr,id, desc);
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}
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else {
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printf("\tbarray %s%s;\t /* %s */\n",ptr,id, desc);
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}
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break;
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case 'c':
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printf("tabout();\n");
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printf("\tprintf(\"/*%-30s*/ ptr->%s = \");\n", desc, id);
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if (type[0] == 'I')
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printf("\tprintf(\"%%d\\n\",ptr->%s%s);\n", id,p);
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else if (type[0] == 'C')
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printf("\tprintf(\"%%s\\n\",ptr->%s%s);\n", id,p);
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else if (type[0] == 'B')
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{
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printf("\tpbarray(&ptr->%s%s);\n", id,p);
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}
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else abort();
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break;
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}
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}
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;
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attr_type:
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TYPE { $$ = $1; }
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| { $$ = "INT";}
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;
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attr_desc:
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'(' NAME ')'
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{ $$ = $2; }
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;
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attr_size:
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NUMBER UNIT
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{ $$ = $1 * $2; }
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;
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attr_id:
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'(' NAME ')' { $$ = $2; }
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| { $$ = "dummy";}
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;
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enums:
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| '(' enum_list ')' ;
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enum_list:
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enum_list '(' NAME NAME ')' {
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switch (writecode)
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{
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case 'd':
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printf("#define %s %s\n", $3,$4);
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break;
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case 'c':
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printf("if (ptr->%s%s == %s) { tabout(); printf(\"%s\\n\");}\n", name, names[rdepth],$4,$3);
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}
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}
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;
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%%
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/* four modes
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-d write structure defintions for sysroff in host format
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-i write functions to swap into sysroff format in
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-o write functions to swap into sysroff format out
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-c write code to print info in human form */
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int yydebug;
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char writecode;
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int
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main(ac,av)
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int ac;
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char **av;
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{
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yydebug=0;
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if (ac > 1)
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writecode = av[1][1];
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if (writecode == 'd')
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{
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printf("typedef struct { unsigned char *data; int len; } barray; \n");
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printf("typedef int INT;\n");
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printf("typedef char * CHARS;\n");
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}
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yyparse();
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return 0;
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}
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int yyerror(s)
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char *s;
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{
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fprintf(stderr, "%s\n" , s);
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}
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