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https://github.com/KhronosGroup/glslang
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c43008e829
This adds a new fullyExpanded flag that makes sure that macro arguments only get expanded once. This can happen either in PrescanMacroArg, or, if there is token pasting or a function-like macro name has been passed as an argument and may need to be expanded when used as a function.
24 lines
511 B
GLSL
24 lines
511 B
GLSL
#version 310 es
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#define X(n) n + 1
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#define Y(n, z) n + z
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#define Z(f) X(f)
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#define REALLY_LONG_MACRO_NAME_WITH_MANY_PARAMETERS(X1, X2, X3, X4, X5, X6, X7,\
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X8, X9, X10, X11, X12) X1+X2+X3+X4+X5+X6+X7+X8+X9+X10+X11+X12
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#define A(\
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Y\
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)\
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4 + 3 + Y
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#define F F.a
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int main() {
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gl_Position = vec4(X(3), Y(3, 4), Z(3));
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gl_Position = vec4(REALLY_LONG_MACRO_NAME_WITH_MANY_PARAMETERS(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12));
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gl_Position = vec4(A(3));
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gl_Position = A(F);
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}
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