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Symbol.c
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C/C++ Source or Header
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1987-10-28
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1KB
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59 lines
#include <stdio.h>
#include "c.h"
#include "expr.h"
#include "gen.h"
#include "cglbdec.h"
/*
*68000 C compiler
*
*Copyright 1984, 1985, 1986 Matthew Brandt.
* all commercial rights reserved.
*
*This compiler is intended as an instructive tool for personal use. Any
*use for profit without the written consent of the author is prohibited.
*
*This compiler may be distributed freely for non-commercial use as long
*as this notice stays intact. Please forward any enhancements or questions
*to:
*
*Matthew Brandt
*Box 920337
*Norcross, Ga 30092
*/
SYM *search(na,thead)
char *na;
SYM *thead;
{ while( thead != 0) {
if(strcmp(thead->name,na) == 0)
return thead;
thead = thead->next;
}
return 0;
}
SYM *gsearch(na)
char *na;
{ SYM *sp;
if( (sp = search(na,lsyms.head)) == 0)
sp = search(na,gsyms.head);
return sp;
}
insert(sp,table)
SYM *sp;
TABLE *table;
{ if( search(sp->name,table->head) == 0) {
if( table->head == 0)
table->head = table->tail = sp;
else {
table->tail->next = sp;
table->tail = sp;
}
sp->next = 0;
}
else
error(ERR_DUPSYM);
}