78 lines
1.1 KiB
C
78 lines
1.1 KiB
C
#include "a.h"
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/*
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* Section 6 - line length and indenting.
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*/
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/* set line length */
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void
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ll(int v)
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{
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if(v == 0)
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v = getnr(L(".l0"));
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nr(L(".l0"), getnr(L(".l")));
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nr(L(".l"), v);
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}
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void
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r_ll(int argc, Rune **argv)
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{
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if(argc < 2)
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ll(0);
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else if(argv[1][0] == '+')
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ll(getnr(L(".l"))+evalscale(argv[1]+1, 'v'));
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else if(argv[1][0] == '-')
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ll(getnr(L(".l"))-evalscale(argv[1]+1, 'v'));
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else
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ll(evalscale(argv[1], 'm'));
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if(argc > 2)
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warn("extra arguments to .ll");
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}
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void
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in(int v)
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{
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nr(L(".i0"), getnr(L(".i")));
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nr(L(".i"), v);
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nr(L(".ti"), 0);
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/* XXX */
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}
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void
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r_in(int argc, Rune **argv)
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{
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br();
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if(argc < 2)
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in(getnr(L(".i0")));
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else if(argv[1][0] == '+')
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in(getnr(L(".i"))+evalscale(argv[1]+1, 'm'));
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else if(argv[1][0] == '-')
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in(getnr(L(".i"))-evalscale(argv[1]+1, 'm'));
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else
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in(evalscale(argv[1], 'm'));
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if(argc > 3)
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warn("extra arguments to .in");
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}
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void
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ti(int v)
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{
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nr(L(".ti"), v);
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}
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void
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r_ti(int argc, Rune **argv)
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{
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USED(argc);
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br();
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ti(evalscale(argv[1], 'm'));
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}
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void
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t6init(void)
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{
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addreq(L("ll"), r_ll, -1);
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addreq(L("in"), r_in, -1);
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addreq(L("ti"), r_ti, 1);
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nr(L(".l"), eval(L("6.5i")));
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}
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