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Typechecker crashes on destructuring bind #2167

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PieterOlivier opened this issue Feb 28, 2025 · 0 comments
Open

Typechecker crashes on destructuring bind #2167

PieterOlivier opened this issue Feb 28, 2025 · 0 comments
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bug typechecker

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@PieterOlivier
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Describe the bug

Typechecker crashes on destructuring bind of adt

To Reproduce
Create the following module:

module sandbox::tcbug::CollectCrash

data X = xcon(int a);
void testBind() {
    X x = xcon(42);
    xcon(v) = x;
    println("v: <v>");
}

Trigger a typecheck by saving, the typechecker will crash.
The interpreter executes the code as expected.

Expected behavior
The typecheck succeeds.

Screenshots
Image

Stack traces

2025-02-28 11:34:28,252 [pool-3-thread-1] DEBUG - org.rascalmpl.vscode.lsp.rascal.RascalLanguageServices Running rascal check for: [|file:///d:/rascal/sandbox/src/main/rascal/sandbox/tcbug/CollectCrash.rsc|] with: srcs:      [|file:///d:/rascal/sandbox/src/main/rascal|]
ignores:   []
libs:      [|lib://rascal|]
bin:       |target://sandbox|
classpath: [|file:///C:/Users/pieter/.vscode/extensions/usethesource.rascalmpl-0.13.0-head1895/assets/jars/rascal-lsp.jar|,|file:///C:/Users/pieter/.vscode/extensions/usethesource.rascalmpl-0.13.0-head1895/assets/jars/rascal.jar|,|file:///C:/Users/pieter/.vscode/extensions/usethesource.rascalmpl-0.13.0-head1895/assets/jars/rascal-core.jar|,|file:///C:/Users/pieter/.vscode/extensions/usethesource.rascalmpl-0.13.0-head1895/assets/jars/typepal.jar|]
loaders:   [|target://sandbox|,|system:///|,|file:///C:/Users/pieter/.m2/repository/org/rascalmpl/rascal/0.33.8/rascal-0.33.8.jar|]

2025-02-28 11:34:28,302 [pool-2-thread-49] ERROR - org.rascalmpl.vscode.lsp.util.EvaluatorUtil Internal error during Rascal check
|lib://rascal-core/lang/rascalcore/check/CollectStatement.rsc|(25974,1,<599,66>,<599,67>): |lib://rascal-core/lang/rascalcore/check/CollectStatement.rsc|:599,66: CallFailed([
    appl(
      prod(
        label(
          "assignment",
          sort("Statement")),
        [
          label(
            "assignable",
            sort("Assignable")),
          layouts("LAYOUTLIST"),
          label(
            "operator",
            sort("Assignment")),
          layouts("LAYOUTLIST"),
          label(
            "statement",
            conditional(
              sort("Statement"),
              {
                except("variableDeclaration"),
                except("functionDeclaration")
              }))
        ],
        {tag("breakable"())}),
      [appl(
          prod(
            label(
              "constructor",
              sort("Assignable")),
            [
              label(
                "name",
                lex("Name")),
              layouts("LAYOUTLIST"),
              lit("("),
              layouts("LAYOUTLIST"),
              label(
                "arguments",
                \iter-seps(
                  sort("Assignable"),
                  [
                    layouts("LAYOUTLIST"),
                    lit(","),
                    layouts("LAYOUTLIST")
                  ])),
              layouts("LAYOUTLIST"),
              lit(")")
            ],
            {}),
          [appl(
              prod(
                lex("Name"),
                [conditional(
                    seq([
                        conditional(
                          \char-class([
                              range(65,90),
                              range(95,95),
                              range(97,122)
                            ]),
                          {\not-precede(\char-class([
                                  range(65,90),
                                  range(95,95),
                                  range(97,122)
                                ]))}),
                        conditional(
                          \iter-star(\char-class([
                                range(48,57),
                                range(65,90),
                                range(95,95),
                                range(97,122)
                              ])),
                          {\not-follow(\char-class([
                                  range(48,57),
                                  range(65,90),
                                  range(95,95),
                                  range(97,122)
                                ]))})
                      ]),
                    {delete(keywords("RascalKeywords"))})],
                {}),
              [appl(
                  regular(seq([
                        conditional(
                          \char-class([
                              range(65,90),
                              range(95,95),
                              range(97,122)
                            ]),
                          {\not-precede(\char-class([
                                  range(65,90),
                                  range(95,95),
                                  range(97,122)
                                ]))}),
                        conditional(
                          \iter-star(\char-class([
                                range(48,57),
                                range(65,90),
                                range(95,95),
                                range(97,122)
                              ])),
                          {\not-follow(\char-class([
                                  range(48,57),
                                  range(65,90),
                                  range(95,95),
                                  range(97,122)
                                ]))})
                      ])),
                  [char(120),appl(
                      regular(\iter-star(\char-class([
                              range(48,57),
                              range(65,90),
                              range(95,95),
                              range(97,122)
                            ]))),
                      [char(99),char(111),char(110)],
                      src=|file:///d:/rascal/sandbox/src/main/rascal/sandbox/tcbug/CollectCrash.rsc|(107,3,<6,5>,<6,8>))],
                  src=|file:///d:/rascal/sandbox/src/main/rascal/sandbox/tcbug/CollectCrash.rsc|(106,4,<6,4>,<6,8>))],
              src=|file:///d:/rascal/sandbox/src/main/rascal/sandbox/tcbug/CollectCrash.rsc|(106,4,<6,4>,<6,8>)),appl(
              prod(
                layouts("LAYOUTLIST"),
                [conditional(
                    \iter-star(lex("LAYOUT")),
                    {
                      \not-follow(\char-class([
                            range(9,13),
                            range(32,32),
                            range(133,133),
                            range(160,160),
                            range(5760,5760),
                            range(6158,6158),
                            range(8192,8202),
                            range(8232,8233),
                            range(8239,8239),
                            range(8287,8287),
                            range(12288,12288)
                          ])),
                      \not-follow(lit("//")),
                      \not-follow(lit("/*"))
                    })],
                {}),
              [appl(
                  regular(\iter-star(lex("LAY...
	at collect(|lib://rascal-core/lang/rascalcore/check/CollectStatement.rsc|(25912,65,<599,4>,<599,69>))
	at collectArgsN(|lib://typepal/analysis/typepal/Collector.rsc|(50283,20,<1238,8>,<1238,28>))
	at collect(|lib://typepal/analysis/typepal/Collector.rsc|(54333,77,<1334,12>,<1334,89>))
	at collect(|lib://rascal-core/lang/rascalcore/check/CollectDeclaration.rsc|(15631,23,<402,4>,<402,27>))
	at collect(|lib://rascal-core/lang/rascalcore/check/CollectDeclaration.rsc|(15234,22,<387,29>,<387,51>))
	at collectArgs2(|lib://typepal/analysis/typepal/Collector.rsc|(50062,20,<1228,8>,<1228,28>))
	at collect(|lib://typepal/analysis/typepal/Collector.rsc|(51561,22,<1282,29>,<1282,51>))
	at collect(|lib://typepal/analysis/typepal/Collector.rsc|(51156,109,<1276,36>,<1276,145>))
	at collect(|lib://rascal-core/lang/rascalcore/check/CollectDeclaration.rsc|(3605,33,<114,4>,<114,37>))
	at collectArgsN(|lib://typepal/analysis/typepal/Collector.rsc|(50283,20,<1238,8>,<1238,28>))
	at collect(|lib://typepal/analysis/typepal/Collector.rsc|(54333,77,<1334,12>,<1334,89>))
	at collectArgs2(|lib://typepal/analysis/typepal/Collector.rsc|(50062,20,<1228,8>,<1228,28>))
	at collect(|lib://typepal/analysis/typepal/Collector.rsc|(51561,22,<1282,29>,<1282,51>))
	at collect(|lib://typepal/analysis/typepal/Collector.rsc|(51156,109,<1276,36>,<1276,145>))
	at collect(|lib://typepal/analysis/typepal/Collector.rsc|(47989,15,<1136,4>,<1136,19>))
	at collect(|lib://rascal-core/lang/rascalcore/check/CollectDeclaration.rsc|(2013,25,<70,8>,<70,33>))
	at rascalTModelComponent(|lib://rascal-core/lang/rascalcore/check/Checker.rsc|(18821,27,<448,12>,<448,39>))
	at rascalTModelForLocs(|lib://rascal-core/lang/rascalcore/check/Checker.rsc|(9642,37,<253,27>,<253,64>))
	at check(|lib://rascal-core/lang/rascalcore/check/Checker.rsc|(22262,64,<547,9>,<547,73>))
	at $shell$(|main://$shell$|)

Version info

  • rascal version 0.41.0-RC13
  • rascal-core version 0.12.16
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@PieterOlivier