mirror of https://github.com/cc65/cc65.git
154 lines
4.6 KiB
C
154 lines
4.6 KiB
C
/*
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!!DESCRIPTION!! C-Manual Chapter 7.15: Comma operator
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!!ORIGIN!! LCC 4.1 Testsuite
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!!LICENCE!! own, freely distributeable for non-profit. read CPYRIGHT.LCC
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*/
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#include "common.h"
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struct defs {
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int cbits; /* No. of bits per char */
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int ibits; /* int */
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int sbits; /* short */
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int lbits; /* long */
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int ubits; /* unsigned */
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int fbits; /* float */
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int dbits; /* double */
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#ifndef NO_FLOATS
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float fprec; /* Smallest number that can be */
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float dprec; /* significantly added to 1. */
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#endif
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int flgs; /* Print return codes, by section */
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int flgm; /* Announce machine dependencies */
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int flgd; /* give explicit diagnostics */
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int flgl; /* Report local return codes. */
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int rrc; /* recent return code */
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int crc; /* Cumulative return code */
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char rfs[8]; /* Return from section */
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};
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int lbits; /* long */
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int ubits; /* unsigned */
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int fbits; /* float */
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int dbits; /* double */
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#ifndef NO_FLOATS
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float fprec; /* Smallest number that can be */
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float dprec; /* significantly added to 1. */
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#endif
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int flgs; /* Print return codes, by section */
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int flgm; /* Announce machine dependencies */
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int flgd; /* give explicit diagnostics */
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int flgl; /* Report local return codes. */
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int rrc; /* recent return code */
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int crc; /* Cumulative return code */
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char rfs[8]; /* Return from section */
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/*#include "cq26.c"*/ /* hardware check */
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#ifdef NO_IMPLICIT_FUNC_PROTOTYPES
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s715f(int x,int y,int z);
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#endif
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#ifndef NO_OLD_FUNC_DECL
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s715(pd0) /* 7.15 Comma operator */
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struct defs *pd0;
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{
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#else
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int s715(struct defs *pd0) {
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#endif
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static char s715er[] = "s715,er%d\n";
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static char qs715[8] = "s715 ";
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int rc;
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char *ps, *pt;
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int a, t, c, i;
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a = c = 0;
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ps = qs715;
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pt = pd0->rfs;
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rc = 0;
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while (*pt++ = *ps++);
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/* A pair of expressions separated by a comma is
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evaluated left to right and the value of the left
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expression is discarded.
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*/
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i = 1;
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if( i++,i++,i++,i++,++i != 6 ){
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if(pd0->flgd != 0) printf(s715er,1);
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rc = rc+1;
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}
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/* In contexts where the comma is given a special mean-
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ing, for example in a list of actual arguments to
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functions (sic) and lists of initializers, the comma
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operator as described in this section can only appear
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in parentheses; for example
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f( a, (t=3, t+2), c)
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has three arguments, the second of which has the
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value 5.
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*/
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if(s715f(a, (t=3, t+2), c) != 5){
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if(pd0->flgd != 0) printf(s715er,2);
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rc = rc+2;
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}
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return rc;
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}
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s715f(x,y,z)
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int x, y, z;
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{
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return y;
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}
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/*********************************************************************************************
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the main loop that launches the sections
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*********************************************************************************************/
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#ifndef NO_TYPELESS_STRUCT_PTR
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int section(int j,struct* pd0){
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#else
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int section(int j,void* pd0){
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#endif
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switch(j){
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/*case 0: return s26(pd0);*/
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case 0: return s715(pd0);
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}
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}
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#define cq_sections 1
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/*
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C REFERENCE MANUAL (main)
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*/
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#ifndef NO_OLD_FUNC_DECL
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main(n,args)
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int n;
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char **args;
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{
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#else
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int main(int n,char **args) {
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#endif
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int j;
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static struct defs d0, *pd0;
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d0.flgs = 1; /* These flags dictate */
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d0.flgm = 1; /* the verbosity of */
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d0.flgd = 1; /* the program. */
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d0.flgl = 1;
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pd0 = &d0;
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for (j=0; j<cq_sections; j++) {
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d0.rrc=section(j,pd0);
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d0.crc=d0.crc+d0.rrc;
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if(d0.flgs != 0) printf("Section %s returned %d.\n",d0.rfs,d0.rrc);
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}
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if(d0.crc == 0) printf("\nNo errors detected.\n");
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else printf("\nFailed.\n");
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return d0.crc;
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}
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