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99 lines
3.3 KiB
GLSL
99 lines
3.3 KiB
GLSL
#version 450
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// side test verifies multiple rounds of argument expansion
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#define bear SecondExpansion
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#define mmmB bear
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#define mmmA(a) a
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int mmmA(mmmB); // mmmB -> bear, and then in mmmA(), bear -> SecondExpansion
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// pasting skips the first round of expansion
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#define mmcatmmdog PostPasteExpansion
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#define mmcat cat
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#define mmdog dog
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#define mmp(a,b) a## b
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int mmp(mmcat, mmdog); // mmcat/mmdog not expanded, mmcatmmdog -> PostPasteExpansion
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// multi-token pre
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#define mmtokpastepre(a) a##27
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mmtokpastepre(float foo); // should declare "float foo27;"
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// multi-token post
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#define mmtokpastepost(a) uni ##a
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mmtokpastepost(form float foo155); // should declare "uniform float foo155;"
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// non-first argument
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#define foo ShouldntExpandToThis
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#define semi ;
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#define bothpaste(a,b) a##b
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float bothpaste(foo, 719); // should declare "float foo719;"
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#define secpaste(a,b) a bar ## b
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secpaste(uniform float, foo semi) // should declare "uniform float barfoo;"
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// no args
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#define noArg fl##oat
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noArg argless;
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// bad location
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#define bad1 ## float
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bad1 dc1;
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#define bad2 float ##
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bad2 dc2;
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// multiple ##
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#define multiPaste(a, b, c) a##or##b flo##at foo##c
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multiPaste(unif, m, 875);
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// too long
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#define simplePaste(a,b) a##b
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// 1020 + 5 characters
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float simplePaste(ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF012345, 12345);
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// non-identifiers
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int a = simplePaste(11,12);
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// should work in #if as well
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#define seahorse 1
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#define sealion 0
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#define marine_animal(suffix) (sea ## suffix)
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#if marine_animal(horse) // should pass
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uniform float seahorse_var;
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#endif
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#if !marine_animal(lion) // should pass
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uniform float sealion_var;
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#endif
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// operators
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#define MAKE_OP(L, R) L ## R
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const int aop = 10;
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const int bop = 4;
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int cop = aop MAKE_OP(<, <) bop;
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bool dop = aop MAKE_OP(!,=) bop;
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#define MAKE_OP3(L, M, R) L ## M ## R
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void foo()
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{
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int e = 16;
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e MAKE_OP3(>,>,=) 2;
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// recovery from bad op
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bool f = e MAKE_OP(>,!) 5;
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}
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// arguments: should make 'uniform int argPaste2;'
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#define M_NEST(q) int q
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#define M_OUTER(p) M_NEST(p##2)
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uniform M_OUTER(argPaste);
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// should make 'uniform int argPaste20suff;'
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#define M_NEST2(q) int q ## suff
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#define M_OUTER2(p) M_NEST2(p ## 20)
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uniform M_OUTER2(argPaste);
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#define rec(x)##
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rec(rec())
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#define bax(bay)
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#define baz bax(/##)
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baz
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