Examples with ExpressionCompiler org.mvel2.compiler.ExpressionCompiler used on opensource projects

Example 71 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class CoreConfidenceTests method testsequentialAccessorsThenMethodCall.

public void testsequentialAccessorsThenMethodCall() {
    String expr = "System.out.println(drools.workingMemory); " + "drools.workingMemory.ruleBase.removeRule(\"org.drools.examples\", \"some rule\"); ";
    ExpressionCompiler compiler = new ExpressionCompiler(expr);
    ParserContext context = new ParserContext();
    context.setStrictTypeEnforcement(true);
    context.addInput("drools", KnowledgeHelper.class);
    RuleBase ruleBase = new RuleBaseImpl();
    WorkingMemory wm = new WorkingMemoryImpl(ruleBase);
    KnowledgeHelper drools = new DefaultKnowledgeHelper(wm);
    Map vars = new HashMap();
    vars.put("drools", drools);
    executeExpression(compiler.compile(context), vars);
}

Example 72 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class ArithmeticTests method testOperatorPrecedence5.

public void testOperatorPrecedence5() {
    String ex = "_x_001 == _x_001 / 2 - _x_001 + _x_001 + _x_001 / 2 && _x_002 / 2 == _x_002 / 2";
    Map vars = new HashMap();
    vars.put("_x_001", 500.2);
    vars.put("_x_002", 200.9);
    vars.put("_r_001", 701);
    ExpressionCompiler compiler = new ExpressionCompiler(ex);
    assertEquals(true, executeExpression(compiler.compile(), vars));
}

Example 73 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class CoreConfidenceTests method testDuplicateVariableDeclaration.

public void testDuplicateVariableDeclaration() {
    ExpressionCompiler compiler = new ExpressionCompiler("String x = \"abc\"; Integer x = new Integer( 10 );");
    ParserContext context = new ParserContext();
    try {
        compiler.compile(context);
        fail("Compilation must fail with duplicate variable declaration exception.");
    } catch (RuntimeException ce) {
    // success
    }
}

Example 74 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class CoreConfidenceTests method testSetAccessorOverloadedEqualsStrictMode.

public void testSetAccessorOverloadedEqualsStrictMode() {
    ParserContext ctx = new ParserContext();
    ctx.setStrongTyping(true);
    ctx.addInput("foo", Foo.class);
    try {
        CompiledExpression expr = new ExpressionCompiler("foo.bar = 0").compile(ctx);
    } catch (CompileException e) {
        // should fail.
        e.printStackTrace();
        return;
    }
    assertTrue(false);
}

Example 75 with ExpressionCompiler

use of org.mvel2.compiler.ExpressionCompiler in project mvel by mikebrock.

the class DebuggerTests method testBreakpoints5.

public void testBreakpoints5() {
    OptimizerFactory.setDefaultOptimizer("ASM");
    String expression = "System.out.println('foo');\r\n" + "a = new Foo244();\r\n" + "a.name = 'bar';\r\n" + "foo.happy();\r\n" + "System.out.println( 'name:' + a.name );               \r\n" + "System.out.println( 'name:' + a.name );         \r\n" + "System.out.println( 'name:' + a.name );     \r\n" + "return a.name;";
    Map<String, Interceptor> interceptors = new HashMap<String, Interceptor>();
    Map<String, Macro> macros = new HashMap<String, Macro>();
    expression = parseMacros(expression, macros);
    ExpressionCompiler compiler = new ExpressionCompiler(expression);
    ParserContext ctx = new ParserContext();
    ctx.setSourceFile("test2.mv");
    ctx.setDebugSymbols(true);
    ctx.addImport("Foo244", Foo.class);
    ctx.setInterceptors(interceptors);
    CompiledExpression compiled = compiler.compile(ctx);
    System.out.println("\nExpression:------------");
    System.out.println(expression);
    System.out.println("------------");
    System.out.println(DebugTools.decompile(compiled));
    MVELRuntime.registerBreakpoint("test2.mv", 1);
    final Set<Integer> breaked = new HashSet<Integer>();
    Debugger testDebugger = new Debugger() {

        public int onBreak(Frame frame) {
            System.out.println("Breakpoint [source:" + frame.getSourceName() + "; line:" + frame.getLineNumber() + "]");
            breaked.add(frame.getLineNumber());
            return Debugger.STEP_OVER;
        }
    };
    MVELRuntime.setThreadDebugger(testDebugger);
    System.out.println("\n==RUN==\n");
    assertEquals("bar", MVEL.executeDebugger(compiled, null, new MapVariableResolverFactory(createTestMap())));
    assertTrue("did not break at line 1", breaked.contains(1));
}