Examples of org.erlide.engine.model.erlang.IErlModule

org.erlide.engine.model.erlang.IErlModule
Represents an entire Erlang compilation unit (.erl or .hrl source file). Compilation unit elements need to be opened before they can be navigated or manipulated. The children are of type IErlAttribute, and IErlFunction, and appear in the order in which they are declared in the source. If a .erl file cannot be parsed, its structure remains unknown. Use IErlElement.isStructureKnown to determine whether this is the case. @noimplement This interface is not intended to be implemented by clients.

    @Test
    public void findPreprocessorDefTest() throws Exception {
        // given
        // a module with includes and record
        final IErlProject project = project1;
        final IErlModule include = createInclude(project, "a.hrl",
                "-record(rec1, {field, another=def}).\n-define(MACRO(A), lists:reverse(A)).\n");
        final IErlModule module = createModule(
                project,
                "f.erl",
                "-module(f).\n-include(\"a.hrl\").\n-export([f/0]).\n-record(rec2, {a, b}).\n"
                        + "f() ->\n    lists:reverse([1, 0]),\n    lists:reverse([1, 0], [2]).\n");
        module.open(null);
        project.open(null);
        final IErlPreprocessorDef preprocessorDef1 = modelFindService
                .findPreprocessorDef(module, "rec1", ErlElementKind.RECORD_DEF);
        final IErlPreprocessorDef preprocessorDef2 = modelFindService
                .findPreprocessorDef(include, "rec1", ErlElementKind.RECORD_DEF);

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    @Test
    public void findPreprocessorDefOtpIncludeTest() throws Exception {
        // given
        // a module with includes and record
        final IErlProject project = project1;
        final IErlModule module = createModule(
                project,
                "g.erl",
                "-module(g).\n-include_lib(\"kernel/include/file.hrl\").\n-export([f/0]).\n-record(rec2, {a, b}).\n"
                        + "f() ->\n    lists:reverse([1, 0]),\n    lists:reverse([1, 0], [2]).\n");
        module.open(null);
        // when
        // looking for the record
        final IErlPreprocessorDef preprocessorDef = modelFindService.findPreprocessorDef(
                module, "file_info", ErlElementKind.RECORD_DEF);
        // then

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    }


    @Test
    public void getPreprocessorDefs() throws Exception {
        final IErlProject project = project1;
        final IErlModule module = createModule(project, "a.erl", "-module(g).\n"
                + "-include_lib(\"kernel/include/file.hrl\").\n" + "-export([f/0]).\n"
                + "-define(A(B), '++B++').\n" + "-record(rec2, {a, b}).\n" + "f() ->\n"
                + "    lists:reverse([1, 0]),\n" + "    lists:reverse([1, 0], [2]).\n");
        module.open(null);
        final List<IErlPreprocessorDef> macroDefs = modelUtilService
                .getAllPreprocessorDefs(module, ErlElementKind.MACRO_DEF);
        final List<IErlPreprocessorDef> recordDefs = modelUtilService
                .getAllPreprocessorDefs(module, ErlElementKind.RECORD_DEF);
        assertEquals(2, macroDefs.size());

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                    .setExternalModulesFile(externalsFile.getAbsolutePath());
            project.open(null);
            // when
            // looking for it
            final IErlElementLocator model = getModel();
            final IErlModule module = modelFindService.findModule(model, null, null,
                    absolutePath, IErlElementLocator.Scope.ALL_PROJECTS);
            // then
            // we should find it
            assertNotNull(module);
            assertEquals(externalFileName, module.getName());
        } finally {
            if (externalFile != null && externalFile.exists()) {
                externalFile.delete();
            }
            if (project != null) {

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                    .getAbsolutePath());
            project.open(null);
            // when
            // looking for it
            final IErlElementLocator model = ErlangEngine.getInstance().getModel();
            final IErlModule module = modelFindService.findInclude(model, project, null,
                    externalFileName, absolutePath);
            // then
            // we should find it
            assertNotNull(module);
            assertEquals(externalFileName, module.getName());
        } finally {
            if (externalFile != null && externalFile.exists()) {
                externalFile.delete();
            }
            if (project != null) {

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        final IProject project = project1.getWorkspaceProject();
        final IProjectDescription description = project.getDescription();
        final IProject[] refs = new IProject[] { project2.getWorkspaceProject() };
        description.setReferencedProjects(refs);
        project.setDescription(description, null);
        final IErlModule module = createModule(project2, "abc.erl",
                "-module(abc).\n-export(f/0)\nf() ->\n   {abc, ok}.\n");
        createModule(project1, "bbc.erl",
                "-module(bbc).\n-export(f/0)\nf() ->\n   {abc, ok}.\n");
        // when
        // looking for module with prefix, it should be found
        final List<String> moduleNames = modelUtilService.findUnitsWithPrefix("a",
                project1, false, false);
        // then
        // we should find it
        assertNotNull(moduleNames);
        assertEquals(1, moduleNames.size());
        assertEquals(module.getModuleName(), moduleNames.get(0));
    }

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                    .setExternalModulesFile(externalsFile.getAbsolutePath());
            project.open(null);
            // when
            // looking for it with its external module path
            final IErlModel model = ErlangEngine.getInstance().getModel();
            final IErlModule module = modelFindService.findModule(model, null, null,
                    absolutePath, IErlElementLocator.Scope.ALL_PROJECTS);
            assertNotNull(module);
            final String externalModulePath = ErlangEngine.getInstance()
                    .getModelUtilService().getExternalModulePath(module);
            ErlLogger.debug(" >> %s", externalModulePath);
            final IErlModule module2 = modelUtilService.getModuleFromExternalModulePath(
                    model, externalModulePath);
            // then
            // we should find it
            assertNotNull(module2);
            assertEquals(externalFileName, module.getName());

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    public void findTypespec() throws Exception {
        // given
        // a project with a module and an include with a typespec
        final IErlProject project = project1;
        final String includeName = "a.hrl";
        final IErlModule include = createModule(project, includeName,
                "-type date() :: {pos_integer(), pos_integer(), pos_integer()}.\n");
        include.open(null);
        final IErlModule module = createModule(
                project,
                "f.erl",
                "-module(f).\n-include(\"a.hrl\").\n-export([f/0]).\n-record(rec2, {a, b}).\n"
                        + "f() ->\n    lists:reverse([1, 0]),\n    lists:reverse([1, 0], [2]).\n");
        module.open(null);
        // when
        // looking for the typespec
        final IErlTypespec typespec = modelFindService.findTypespec(module, "date");
        // then
        // it should be found

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        try {
            // ErlModelCache.getDefault().setNoModelCache(true);
            // ErlModelCache.getDefault().clearModelCache();
            final String projectName = "testprojectx";
            project = createProject(projectName, getTmpPath(projectName));
            final IErlModule module = createModule(project, "a.erl",
                    "-include(\"x.hrl\").\n");
            final String includeName = "x.hrl";
            externalInclude = createTmpFile(includeName,
                    "-record(rec2, {field, another=def}.");
            final String includePath = externalInclude.getAbsolutePath();

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                try {
                    final IErlElementLocator model = ErlangEngine.getInstance()
                            .getModel();
                    final IErlProject erlProject = model.findProject(project);
                    if (erlProject != null) {
                        final IErlModule includeFile = model.findIncludeFromProject(
                                erlProject, fileName, fileName,
                                IErlElementLocator.Scope.REFERENCED_PROJECTS);


                        if (includeFile == null) {
                            result = resource;
                        } else {
                            result = includeFile.getResource();
                        }
                    } else {
                        result = resource;
                    }
                } catch (final Exception e) {

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