Examples with VariableResolverFactory org.mvel2.integration.VariableResolverFactory used on opensource projects

Example 61 with VariableResolverFactory

use of org.mvel2.integration.VariableResolverFactory 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);
}

Example 62 with VariableResolverFactory

use of org.mvel2.integration.VariableResolverFactory in project mvel by mikebrock.

the class DebuggerTests method testDebugSymbolsSingleStatement.

public void testDebugSymbolsSingleStatement() {
    String ex = "System.out.println( Cheese.STILTON );";
    ParserContext ctx = new ParserContext();
    ctx.setStrongTyping(true);
    ctx.addImport(Cheese.class);
    try {
        ExpressionCompiler compiler = new ExpressionCompiler(ex);
        CompiledExpression expr = compiler.compile(ctx);
        // executing the following line with a MVEL.executeExpression() works fine
        // but executeDebugger() fails
        MVEL.executeDebugger(expr, null, (VariableResolverFactory) null);
    } catch (Throwable e) {
        e.printStackTrace();
        fail("Should not raise exception: " + e.getMessage());
    }
}

Example 63 with VariableResolverFactory

use of org.mvel2.integration.VariableResolverFactory in project mvel by mikebrock.

the class DebuggerTests method testDebuggerInvoke.

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

        public int onBreak(Frame frame) {
            if (frame.getFactory().isResolveable("a1")) {
                a1++;
            }
            if (frame.getFactory().isResolveable("a4")) {
                a4++;
                System.out.println("HEI " + frame.getLineNumber());
            }
            count++;
            return 0;
        }
    });
    String src = "a1=7;\na2=8;\na3=9;\na4=10;\na5=11;\na6=12;\na7=13;\na8=14;";
    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(), 3);
    MVELRuntime.registerBreakpoint(ctx.getSourceFile(), 7);
    VariableResolverFactory factory = new DefaultLocalVariableResolverFactory();
    MVEL.executeDebugger(compexpr, null, factory);
    System.out.println(a1);
    System.out.println(a4);
    System.out.println(count);
    assertEquals(2, a1);
    // test passes but the breakpoint should be received by line 7, not by line 3
    assertEquals(1, a4);
    // three breakpoints FAILS
    assertEquals(3, count);
}

Example 64 with VariableResolverFactory

use of org.mvel2.integration.VariableResolverFactory in project mvel by mikebrock.

the class MacroProcessorTest method testMacroSupportWithDebugging.

public void testMacroSupportWithDebugging() {
    Map<String, Object> vars = new HashMap<String, Object>();
    vars.put("foo", new Foo());
    Map<String, Interceptor> interceptors = new HashMap<String, Interceptor>();
    Map<String, Macro> macros = new HashMap<String, Macro>();
    interceptors.put("Modify", new Interceptor() {

        public int doBefore(ASTNode node, VariableResolverFactory factory) {
            ((WithNode) node).getNestedStatement().getValue(null, factory);
            factory.createVariable("mod", "FOOBAR!");
            return 0;
        }

        public int doAfter(Object val, ASTNode node, VariableResolverFactory factory) {
            return 0;
        }
    });
    macros.put("modify", new Macro() {

        public String doMacro() {
            return "@Modify with";
        }
    });
    ExpressionCompiler compiler = new ExpressionCompiler(parseMacros("System.out.println('hello');\n" + "System.out.println('bye');\n" + "modify (foo) { aValue = 'poo', \n" + " aValue = 'poo' };\n mod", macros));
    // compiler.setDebugSymbols(true);
    ParserContext ctx = new ParserContext(null, interceptors, null);
    ctx.setSourceFile("test.mv");
    ctx.setDebugSymbols(true);
    CompiledExpression compiled = compiler.compile(ctx);
    MVELRuntime.setThreadDebugger(new Debugger() {

        public int onBreak(Frame frame) {
            System.out.println(frame.getSourceName() + ":" + frame.getLineNumber());
            return Debugger.STEP;
        }
    });
    MVELRuntime.registerBreakpoint("test.mv", 3);
    System.out.println(DebugTools.decompile(compiled));
    Assert.assertEquals("FOOBAR!", MVEL.executeDebugger(compiled, null, new MapVariableResolverFactory(vars)));
}

Example 65 with VariableResolverFactory

use of org.mvel2.integration.VariableResolverFactory in project mvel by mikebrock.

the class CoreConfidenceTests method testInterceptors.

public void testInterceptors() {
    Interceptor testInterceptor = new Interceptor() {

        public int doBefore(ASTNode node, VariableResolverFactory factory) {
            System.out.println("BEFORE Node: " + node.getName());
            return 0;
        }

        public int doAfter(Object val, ASTNode node, VariableResolverFactory factory) {
            System.out.println("AFTER Node: " + node.getName());
            return 0;
        }
    };
    Map<String, Interceptor> interceptors = new HashMap<String, Interceptor>();
    interceptors.put("test", testInterceptor);
    executeExpression(compileExpression("@test System.out.println('MIDDLE');", null, interceptors));
}