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https://github.com/SEPPDROID/Digital-Research-Source-Code.git
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115 lines
1.8 KiB
C
115 lines
1.8 KiB
C
/*
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Copyright 1982
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Alcyon Corporation
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8716 Production Ave.
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San Diego, Ca. 92121
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*/
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#include "parser.h"
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short bol;
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outinit(tp,type) /* returns - none*/
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struct tnode *tp;
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{
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outexpr(tnalloc(INIT,type,0,0,tp));
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}
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outcforreg(tp)
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struct tnode *tp;
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{
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outexpr(tnalloc(CFORREG,tp->t_type,0,0,tp));
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}
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outifgoto(tp,dir,lab)
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struct tnode *tp;
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int dir;
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int lab;
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{
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outexpr(tnalloc(IFGOTO,dir,lab,0,tp));
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}
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/* outasm - outputs asm literal. [vlh] 4.2 asm instruction */
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outasm()
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{
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register char *p;
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if (lineno != lst_ln_id) {
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outline();
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OUTNULL();
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}
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putchar('\t');
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for (p = cstr; *p ; p++) {
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putchar(*p);
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if (*p == '\n')
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putchar('\t');
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}
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putchar('\n');
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}
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outexpr(tp)
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struct tnode *tp;
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{
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if (!tp)
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return;
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outline();
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outtree(tp);
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}
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/* interprets and prints the parse tree */
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outtree(tp)
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struct tnode *tp;
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{
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short w1, w2;
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if( !tp )
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return;
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printf("%x.%x",tp->t_op,tp->t_type);
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switch( tp->t_op ) {
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case CINT:
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printf(".%x\n",((struct conode *)tp)->t_value);
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break;
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case CLONG:
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w1 = ((struct lconode *)tp)->t_lvalue.hiword;
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w2 = ((struct lconode *)tp)->t_lvalue.loword;
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printf(".%x.%x\n",w1,w2);
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break;
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case CFLOAT: /*[vlh] 3.4*/
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w1 = ((struct lconode *)tp)->t_lvalue.hiword;
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w2 = ((struct lconode *)tp)->t_lvalue.loword;
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printf(".%x.%x\n",w1,w2);
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break;
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case SYMBOL:
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printf(".%x",((struct symnode *)tp)->t_sc);
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if( ((struct symnode *)tp)->t_sc == EXTERNAL )
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printf(".%.8s\n",((struct extnode *)tp)->t_symbol);
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else
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printf(".%x\n",((struct symnode *)tp)->t_offset);
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break;
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case 0:
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putchar('\n');
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break;
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case IFGOTO:
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case BFIELD:
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printf(".%x\n",tp->t_dp);
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outtree(tp->t_left);
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break;
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default:
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putchar('\n');
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outtree(tp->t_left);
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if( BINOP(tp->t_op) ) {
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outtree(tp->t_right);
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}
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break;
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} /* end of case... */
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}
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