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| author | Cliff Click <cliffc@acm.org> | 2026-11-01 10:33:55 -0800 |
|---|---|---|
| committer | Cliff Click <cliffc@acm.org> | 2026-11-01 10:33:55 -0800 |
| commit | f4bd723d929e53475f7990374dca7b7dfcbbdc42 (patch) | |
| tree | 7bb080119e7b88ad4ac9b30af019fe6a5e4ba9dd /chapter29/src/test/smp/examples/FileIO.smp | |
| parent | 0ac0c9e10287972ac3af5a4ee43d26f0d5b318fe (diff) | |
| download | Simple-main.tar.gz Simple-main.zip | |
Add Chapter 29 for tech debt cleanup with the parser splitmain
Keep Chapter 28b intact and carry the grammar-oriented parser package, Var move, IterPeeps move, and parser regression tests into Chapter 29. Defer privacy and exclude its experimental tests and fixture changes.
Register the chapter in the indexes, IntelliJ modules and run configurations, Maven reactor, roadmap, and linear-history publisher. Windows and Linux each pass 573 tests, release builds, 199 allocation replays, and 29 native checks.
Diffstat (limited to 'chapter29/src/test/smp/examples/FileIO.smp')
| -rw-r--r-- | chapter29/src/test/smp/examples/FileIO.smp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/chapter29/src/test/smp/examples/FileIO.smp b/chapter29/src/test/smp/examples/FileIO.smp new file mode 100644 index 00000000..e48d435b --- /dev/null +++ b/chapter29/src/test/smp/examples/FileIO.smp @@ -0,0 +1,50 @@ + +// An implementation of +// https://sampleprograms.io/projects/file-input-output/ + +val FILE = "output.txt"; + +val main = { u8[~][] args -> + var str = new sys.aryu8(); + str.addAry("Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.\n"); + str.addAry("Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.\n"); + str.addAry("Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.\n"); + str.addAry("Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.\n"); + + // Create + i32 fd = sys.io.create(FILE); + if( fd == -1 ) return _error(); + // Write + int wrote = sys.io.writeOff(fd,str.buf,0,str.len); + if( wrote == -1 ) return _error(); + if( wrote != str.len ) return _error2(-2); + // Close + if( sys.io.close(fd) != 0 ) return _error(); + + // Open + i32 fd2 = sys.io.open(FILE); + if( fd2 == -1 ) return _error(); + // Read + var got = sys.io.read(fd2); + if( got# != str.len ) return _error2(-3); + // Close + if( sys.io.close(fd2) != 0 ) return _error(); + + // Check contents are equal + if( sys.ary.cmp(got,0,str.buf,0,str.len) ) + return _error2(-4); + + // Remove + if( sys.io.remove(FILE) != 0 ) return _error(); + + sys.io.p("File I/O succeeded\n"); + return 0; +}; + +val _error2 = { i32 errno -> + sys.io.remove(FILE); + new sys.aryu8().addAry("Failed with error code ").num(errno).add('\n').write(sys.libc.STDERR); + sys.libc._exit(errno); +}; + +val _error = { -> _error2(sys.libc.errno()); }; |
