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Example 31 with CompiledExpression

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

the class DebuggerTests method testBreakpointsAcrossComments.

public void testBreakpointsAcrossComments() {
    String expression = // 1
    "/** This is a comment\n" + // 2
    " *  Second comment line\n" + // 3
    " *  Third Comment Line\n" + // 4
    " */\n" + // 5
    "System.out.println('4');\n" + // 6
    "System.out.println('5');\n" + // 7
    "a = 0;\n" + // 8
    "b = 1;\n" + // 9
    "a + b";
    ParserContext ctx = new ParserContext();
    ctx.setSourceFile("test2.mv");
    ctx.setDebugSymbols(true);
    ExpressionCompiler compiler = new ExpressionCompiler(expression, ctx);
    System.out.println("Expression:\n------------");
    System.out.println(expression);
    System.out.println("------------");
    CompiledExpression compiled = compiler.compile();
    MVELRuntime.registerBreakpoint("test2.mv", 9);
    final Set<Integer> linesEncountered = new HashSet<Integer>();
    Debugger testDebugger = new Debugger() {

        public int onBreak(Frame frame) {
            linesEncountered.add(frame.getLineNumber());
            System.out.println("Breakpoint Encountered [source:" + frame.getSourceName() + "; line:" + frame.getLineNumber() + "]");
            System.out.println("vars:" + frame.getFactory().getKnownVariables());
            System.out.println("Resume Execution");
            return 0;
        }
    };
    MVELRuntime.setThreadDebugger(testDebugger);
    assertEquals(1, MVEL.executeDebugger(compiled, null, new MapVariableResolverFactory(createTestMap())));
    assertTrue("Debugger did not break at line 9", linesEncountered.contains(9));
}
Also used : Debugger(org.mvel2.debug.Debugger) Frame(org.mvel2.debug.Frame) MapVariableResolverFactory(org.mvel2.integration.impl.MapVariableResolverFactory) ExpressionCompiler(org.mvel2.compiler.ExpressionCompiler) ParserContext(org.mvel2.ParserContext) CompiledExpression(org.mvel2.compiler.CompiledExpression) HashSet(java.util.HashSet)

Example 32 with CompiledExpression

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

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, ctx);
        CompiledExpression expr = compiler.compile();
        // 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());
    }
}
Also used : ExpressionCompiler(org.mvel2.compiler.ExpressionCompiler) ParserContext(org.mvel2.ParserContext) CompiledExpression(org.mvel2.compiler.CompiledExpression)

Example 33 with CompiledExpression

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

the class DebuggerTests method testBreakpoints.

public void testBreakpoints() {
    ParserContext ctx = new ParserContext();
    ctx.setSourceFile("test.mv");
    ctx.setDebugSymbols(true);
    ExpressionCompiler compiler = new ExpressionCompiler("a = 5;\nb = 5;\n\nif (a == b) {\n\nSystem.out.println('Good');\nreturn a + b;\n}\n", ctx);
    System.out.println("-------\n" + compiler.getExpression() + "\n-------\n");
    CompiledExpression compiled = compiler.compile();
    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));
}
Also used : Debugger(org.mvel2.debug.Debugger) Frame(org.mvel2.debug.Frame) MapVariableResolverFactory(org.mvel2.integration.impl.MapVariableResolverFactory) ExpressionCompiler(org.mvel2.compiler.ExpressionCompiler) ParserContext(org.mvel2.ParserContext) CompiledExpression(org.mvel2.compiler.CompiledExpression) HashSet(java.util.HashSet)

Example 34 with CompiledExpression

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

the class TypesAndInferenceTests method testMVEL236.

public void testMVEL236() {
    StringBuffer buffer = new StringBuffer();
    buffer.append("MyInterface2 var2 = (MyInterface2)var1;");
    ParserContext ctx = new ParserContext();
    ctx.setStrongTyping(true);
    ctx.addInput("var1", MyInterface3.class);
    ctx.addImport(MyInterface2.class);
    ctx.addImport(MyInterface3.class);
    try {
        CompiledExpression compiled = (CompiledExpression) MVEL.compileExpression(buffer.toString(), ctx);
    } catch (Exception e) {
        fail(e.getMessage());
    }
}
Also used : ParserContext(org.mvel2.ParserContext) CompiledExpression(org.mvel2.compiler.CompiledExpression) CompileException(org.mvel2.CompileException)

Example 35 with CompiledExpression

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

the class TypesAndInferenceTests method testSetAccessorOverloadedEqualsStrictMode2.

public void testSetAccessorOverloadedEqualsStrictMode2() {
    ParserContext ctx = new ParserContext();
    ctx.setStrongTyping(true);
    ctx.addInput("foo", Foo.class);
    try {
        CompiledExpression expr = new ExpressionCompiler("foo.aValue = 'bar'", ctx).compile();
    } catch (CompileException e) {
        assertTrue(false);
    }
}
Also used : CompileException(org.mvel2.CompileException) ExpressionCompiler(org.mvel2.compiler.ExpressionCompiler) ParserContext(org.mvel2.ParserContext) CompiledExpression(org.mvel2.compiler.CompiledExpression)

Aggregations

CompiledExpression (org.mvel2.compiler.CompiledExpression)81 ExpressionCompiler (org.mvel2.compiler.ExpressionCompiler)65 ParserContext (org.mvel2.ParserContext)48 HashMap (java.util.HashMap)20 MapVariableResolverFactory (org.mvel2.integration.impl.MapVariableResolverFactory)20 Foo (org.mvel2.tests.core.res.Foo)20 Debugger (org.mvel2.debug.Debugger)16 Frame (org.mvel2.debug.Frame)16 CompiledExpression (org.mule.mvel2.compiler.CompiledExpression)15 PrivilegedEvent (org.mule.runtime.core.privileged.event.PrivilegedEvent)14 DataType (org.mule.runtime.api.metadata.DataType)11 HashSet (java.util.HashSet)10 Test (org.junit.Test)9 VariableResolverFactory (org.mvel2.integration.VariableResolverFactory)9 ParserContext (org.mule.mvel2.ParserContext)8 Map (java.util.Map)6 MVELExpressionLanguage (org.mule.runtime.core.internal.el.mvel.MVELExpressionLanguage)6 CompileException (org.mvel2.CompileException)6 ASTNode (org.mvel2.ast.ASTNode)6 DefaultLocalVariableResolverFactory (org.mvel2.integration.impl.DefaultLocalVariableResolverFactory)6