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- /* $Id$ */
- /*
- * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
- * See the copyright notice in the ACK home directory, in the file "Copyright".
- */
-
- #include <stdlib.h>
- #include <stdio.h>
- #include <string.h>
- /* MAKE ITEMS TABLE
- *
- * This program is used by the register allocation phase of the optimizer
- * to make the file itemtab.h. It reads two files:
- * - the em_mnem.h file, containing the definitions of the
- * EM mnemonics
- * - the item-file, containing tuples:
- * (mnemonic, item_type)
- * The output (standard output) is a C array.
- */
- #define TRUE 1
- #define FALSE 0
- void error(char *s);
- void convert(FILE *mnemfile, FILE *itemfile)
- {
- char mnem1[20], mnem2[20],def[20],itemtype[20];
- int newcl,opc,index;
- newcl = TRUE;
- printf("struct item_descr itemtab[] = {\n");
- for (;;) {
- fscanf(mnemfile,"%s%s%d",def,mnem1,&opc);
- /* read a line like "#define op_aar 1" */
- if (feof(mnemfile)) break;
- if (strcmp(def,"#define") != 0) {
- error("bad mnemonic file, #define expected");
- }
- if (newcl) {
- fscanf(itemfile,"%s%s%d",mnem2,itemtype,&index);
- /* read a line like "op_loc CONST 4" */
- }
- if (feof(itemfile) || strcmp(mnem1,mnem2) != 0) {
- /* there is no line for this mnemonic, so
- * it has no type.
- */
- printf("{NO_ITEM,0}, /* %s */\n", mnem1);
- newcl = FALSE;
- } else {
- printf("{%s,%d}, /* %s */\n",itemtype,index, mnem1);
- newcl = TRUE;
- }
- }
- printf("};\n");
- }
- void error(char *s)
- {
- fprintf(stderr,"%s\n",s);
- exit(-1);
- }
- int main(int argc, char *argv[])
- {
- FILE *f1,*f2;
- if (argc != 3) {
- error("usage: makeitems mnemfile itemfile");
- }
- if ((f1 = fopen(argv[1],"r")) == NULL) {
- error("cannot open mnemonic file");
- }
- if ((f2 = fopen(argv[2],"r")) == NULL) {
- error("cannot open item file");
- }
- convert(f1,f2);
- exit(0);
- }
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