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

Example 31 with CompiledExpression

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

the class CoreConfidenceTests method testStringConcatenation3.

public void testStringConcatenation3() {
    // BUG: return type of the string concatenation is inferred as double instead of String
    String ex = "services.log($av + \"Drop +5%: \"+$sb+\" avg: $\"+percent($av)+\" price: $\"+$pr );";
    ParserContext ctx = new ParserContext();
    ctx.setStrongTyping(true);
    ctx.setStrictTypeEnforcement(true);
    ctx.addInput("$sb", String.class);
    ctx.addInput("$av", double.class);
    ctx.addInput("$pr", double.class);
    ctx.addInput("services", Services.class);
    ctx.addImport("percent", MVEL.getStaticMethod(String.class, "valueOf", new Class[] { double.class }));
    try {
        Serializable compiledExpression = MVEL.compileExpression(ex, ctx);
        Services services = new Services() {

            public void log(String text) {
            }
        };
        Map<String, Object> vars = new HashMap<String, Object>();
        vars.put("services", services);
        vars.put("$sb", "RHT");
        vars.put("$av", 15.0);
        vars.put("$pr", 10.0);
        MVEL.executeExpression(compiledExpression, vars);
    } catch (Throwable e) {
        e.printStackTrace();
        fail("Should not raise exception: " + e.getMessage());
    }
}

Example 32 with CompiledExpression

use of org.mvel2.compiler.CompiledExpression 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 33 with CompiledExpression

use of org.mvel2.compiler.CompiledExpression 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));
}

Example 34 with CompiledExpression

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

the class DebuggerTests method testBreakpoints.

public void testBreakpoints() {
    ExpressionCompiler compiler = new ExpressionCompiler("a = 5;\nb = 5;\n\nif (a == b) {\n\nSystem.out.println('Good');\nreturn a + b;\n}\n");
    System.out.println("-------\n" + compiler.getExpression() + "\n-------\n");
    ParserContext ctx = new ParserContext();
    ctx.setSourceFile("test.mv");
    ctx.setDebugSymbols(true);
    CompiledExpression compiled = compiler.compile(ctx);
    MVELRuntime.registerBreakpoint("test.mv", 7);
    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 0;
        }
    };
    MVELRuntime.setThreadDebugger(testDebugger);
    assertEquals(10, MVEL.executeDebugger(compiled, null, new MapVariableResolverFactory(createTestMap())));
    assertTrue("did not break at line 7", breaked.contains(7));
}

Example 35 with CompiledExpression

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

the class DebuggerTests method testDebuggerInvoke2.

public void testDebuggerInvoke2() {
    count = 0;
    MVELRuntime.resetDebugger();
    MVELRuntime.setThreadDebugger(new Debugger() {

        public int onBreak(Frame frame) {
            count++;
            return 0;
        }
    });
    String src = "a1=7;\na2=8;\nSystem.out.println(\"h\");\nac=23;\nde=23;\nge=23;\ngef=34;";
    ExpressionCompiler c = new ExpressionCompiler(src);
    ParserContext ctx = new ParserContext();
    ctx.setSourceFile("mysource");
    ctx.setDebugSymbols(true);
    CompiledExpression compexpr = c.compile(ctx);
    System.out.println(decompile(compexpr));
    MVELRuntime.registerBreakpoint(ctx.getSourceFile(), 1);
    MVELRuntime.registerBreakpoint(ctx.getSourceFile(), 2);
    MVELRuntime.registerBreakpoint(ctx.getSourceFile(), 3);
    MVELRuntime.registerBreakpoint(ctx.getSourceFile(), 4);
    MVELRuntime.registerBreakpoint(ctx.getSourceFile(), 5);
    VariableResolverFactory factory = new DefaultLocalVariableResolverFactory();
    MVEL.executeDebugger(compexpr, null, factory);
    System.out.println(count);
    assertEquals(5, count);
}