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86 lines
1.2 KiB
86 lines
1.2 KiB
#!/usr/bin/env node
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// A demonstration program
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#include <stdio.h>
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#if 0 /* */
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#define DUMMY() \
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if (1);
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#endif
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// Test preprocessor expressions with parentheses
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#if ((0))
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a
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#elif ((1))
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b
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#endif
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/** @file LexCPP.cxx
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<file>
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<file >filename</file>
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LexCPP.cxx.
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</file>
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**/
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/** Unknown doc keywords so in SCE_C_COMMENTDOCKEYWORDERROR:
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@wrong LexCPP.cxx
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<wrong>filename</wrong>
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**/
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#define M\
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\
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// Test preprocessor active branches feature
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#if HAVE_COLOUR
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// Active
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#endif
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#if NOT_HAVE_COLOUR
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// Inactive
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#endif
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#if FEATURE==2
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// Active
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#endif
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#if FEATURE==3
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// Inactive
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#endif
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#if VERSION(1,2)==3
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// Active
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#endif
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#if VERSION(1,2)==4
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// Inactive
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#endif
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#undef HAVE_COLOUR
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#if HAVE_COLOUR
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// Inactive
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#endif
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#define MULTIPLY(a,b) a*b
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#if MULTIPLY(2,3)==6
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// Active
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#endif
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int main() {
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double x[] = {3.14159,6.02e23,1.6e-19,1.0+1};
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int y[] = {75,0113,0x4b};
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printf("hello world %d %g\n", y[0], x[0]);
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// JavaScript regular expression (14) tests
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let a = /a/;
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let b = /[a-z]+/gi;
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/a|b/i.test("baby");
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// arrow function
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() => /a|b/i.test("baby");
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// Escape sequence (27) tests
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printf("\'\"\?\\\a\b\f\n\r\t\v \P");
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printf("\0a \013a \019");
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printf("\x013ac \xdz");
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printf("\ua34df \uz");
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printf("\Ua34df7833 \Uz");
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}
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