Examples with LambdaGenerator com.googlecode.aviator.code.LambdaGenerator used on opensource projects

Example 1 with LambdaGenerator

use of com.googlecode.aviator.code.LambdaGenerator in project aviatorscript by killme2008.

the class ASMCodeGenerator method onLambdaDefineStart.

@Override
public void onLambdaDefineStart(final Token<?> lookhead) {
    if (this.lambdaGenerator == null) {
        Boolean newLexicalScope = lookhead.getMeta(Constants.SCOPE_META, false);
        Boolean inheritEnv = lookhead.getMeta(Constants.INHERIT_ENV_META, false);
        // TODO cache?
        this.lambdaGenerator = new LambdaGenerator(this.instance, this, this.parser, this.classLoader, this.sourceFile, newLexicalScope, inheritEnv);
        this.lambdaGenerator.setScopeInfo(this.parser.enterScope(newLexicalScope));
    } else {
        throw new CompileExpressionErrorException("Compile lambda error");
    }
}

Example 2 with LambdaGenerator

use of com.googlecode.aviator.code.LambdaGenerator in project aviatorscript by killme2008.

the class ASMCodeGeneratorUnitTest method testOnLambdaDefine.

@Test
public void testOnLambdaDefine() throws Exception {
    this.codeGenerator.setParser(new Parser() {

        @Override
        public void setCodeGenerator(final CodeGenerator codeGenerator) {
        }

        @Override
        public void restoreScope(final ScopeInfo info) {
        }

        @Override
        public SymbolTable getSymbolTable() {
            return null;
        }

        @Override
        public CodeGenerator getCodeGenerator() {
            return ASMCodeGeneratorUnitTest.this.codeGenerator;
        }

        @Override
        public ScopeInfo enterScope(final boolean inForLoop) {
            return null;
        }
    });
    assertNull(this.codeGenerator.getLambdaGenerator());
    this.codeGenerator.onLambdaDefineStart(new Variable("lambda", 0, 0));
    LambdaGenerator lambdaGenerator = this.codeGenerator.getLambdaGenerator();
    assertNotNull(lambdaGenerator);
    this.codeGenerator.onLambdaArgument(new Variable("x", 0, 1), new FunctionParam(0, "x", false));
    this.codeGenerator.onLambdaArgument(new Variable("y", 0, 2), new FunctionParam(1, "y", false));
    this.codeGenerator.onLambdaBodyStart(new Variable(">", 0, 3));
    lambdaGenerator.onConstant(new Variable("x", 0, 4));
    lambdaGenerator.onConstant(new Variable("y", 0, 5));
    lambdaGenerator.onAdd(null);
    this.codeGenerator.onLambdaBodyEnd(new Variable("end", 0, 7));
    HashMap<String, Object> env = new HashMap<String, Object>();
    env.put("x", 2);
    env.put("y", 3);
    Object result = eval(env);
    assertTrue(result instanceof LambdaFunction);
    assertEquals(5, ((LambdaFunction) result).call(env, new AviatorJavaType("x"), new AviatorJavaType("y")).getValue(env));
    assertNull(this.codeGenerator.getLambdaGenerator());
}

Example 3 with LambdaGenerator

use of com.googlecode.aviator.code.LambdaGenerator in project aviatorscript by killme2008.

the class InterpretCodeGenerator method onLambdaDefineStart.

@Override
public void onLambdaDefineStart(final Token<?> lookhead) {
    if (this.lambdaGenerator == null) {
        Boolean newLexicalScope = lookhead.getMeta(Constants.SCOPE_META, false);
        Boolean inheritEnv = lookhead.getMeta(Constants.INHERIT_ENV_META, false);
        // TODO cache?
        this.lambdaGenerator = new LambdaGenerator(this.instance, this, this.parser, this.classLoader, this.sourceFile, newLexicalScope, inheritEnv);
        this.lambdaGenerator.setScopeInfo(this.parser.enterScope(newLexicalScope));
    } else {
        throw new CompileExpressionErrorException("Compile lambda error");
    }
}