@Test
public void unitializedReads() {
Program program = new SimpleProgramBuilder().emitRead("x").buildProgram();
Assert.assertEquals(
Collections.singleton((ReadInstruction) program.get(0)), program.getUninitializedReads());
}
@Test
public void unreachable() {
Program program = new SimpleProgramBuilder().emitRet().emitNop().buildProgram();
Assert.assertEquals(
Collections.singleton(program.get(1)), program.getUnreachableInstructions());
}
@Test
public void unusedAssignments() {
Program program = new SimpleProgramBuilder().emitWrite("x").buildProgram();
Assert.assertEquals(
Collections.singleton((WriteInstruction) program.get(0)), program.getUnusedAssignments());
}
@Test
public void noExpectedReturnInTryFinallyWithReturn() {
Program program =
new SimpleProgramBuilder().emitTry().emitRet().emitFinally().emitEndTry().buildProgram();
Assert.assertTrue(program.getExpectedReturns().isEmpty());
}
@Test
public void simple() {
Expression program = new NopExpression();
Program p = new ExpressionProgramBuilder().buildProgram(program);
Assert.assertEquals("0: end\n", p.toString());
}
@Test
public void sequence() {
SeqExpression program =
new SeqExpression(new VariableExpression("a"), new VariableExpression("b"));
Program p = new ExpressionProgramBuilder().buildProgram(program);
Assert.assertEquals("0: read a\n" + "1: read b\n" + "2: end\n", p.toString());
}
@Test
public void whileExpression() {
Expression program =
new WhileExpression(
new VariableExpression("a"), new AssignmentExpression("b", new NopExpression()));
Program p = new ExpressionProgramBuilder().buildProgram(program);
Assert.assertEquals(
"0: read a\n" + "1: ifjump 3\n" + "2: write b\n" + "3: end\n", p.toString());
}
public void doExecute(@NotNull final AnActionEvent event, final Map<String, Object> _params) {
try {
Program program =
DataFlowManager.getInstance()
.buildProgramFor(((SNode) MapSequence.fromMap(_params).get("node")));
AnalysisResult<Set<WriteInstruction>> result =
program.analyze(new ReachingDefinitionsAnalyzer());
System.out.println(result.toString());
} catch (Throwable t) {
LOG.error(
"User's action execute method failed. Action:" + "PrintReachingDefinintionsInformation",
t);
}
}
@Test
public void ifExpression() {
Expression program =
new IfExpression(
new NopExpression(),
new AssignmentExpression("a", new NopExpression()),
new AssignmentExpression("b", new NopExpression()));
Program p = new ExpressionProgramBuilder().buildProgram(program);
Assert.assertEquals(
"0: ifjump 3\n" + "1: write a\n" + "2: jump 4\n" + "3: write b\n" + "4: end\n",
p.toString());
}
@Test
public void programWithTryFinally() {
Program program =
new SimpleProgramBuilder()
.emitTry()
.emitRead("x")
.emitFinally()
.emitRead("x")
.emitEndTry()
.buildProgram();
Assert.assertEquals(
"0: try\n" + "1: read x\n" + "2: finally\n" + "3: read x\n" + "4: endTry\n" + "5: end\n",
program.toString());
}
@Test
public void expectedReturns() {
Program program = new SimpleProgramBuilder().emitNop().buildProgram();
Assert.assertEquals(Collections.singleton(program.get(0)), program.getExpectedReturns());
}
@Test
public void simpleProgramBuilding() {
Program program = new SimpleProgramBuilder().emitRead("x").emitWrite("y").buildProgram();
Assert.assertEquals("0: read x\n" + "1: write y\n" + "2: end\n", program.toString());
}
@Test
public void writeWithReadIsNotUnusedAssignment() {
Program program = new SimpleProgramBuilder().emitWrite("x").emitRead("x").buildProgram();
Assert.assertTrue(program.getUnusedAssignments().isEmpty());
}
@Test
public void expectedReturnInUnreachableCode() {
Program program = new SimpleProgramBuilder().emitRet().emitNop().buildProgram();
Assert.assertEquals(Collections.EMPTY_SET, program.getExpectedReturns());
}