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C++ StatementPtr::ptr方法代码示例

本文整理汇总了C++中StatementPtr::ptr方法的典型用法代码示例。如果您正苦于以下问题：C++ StatementPtr::ptr方法的具体用法？C++ StatementPtr::ptr怎么用？C++ StatementPtr::ptr使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类StatementPtr的用法示例。


在下文中一共展示了StatementPtr::ptr方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: convertFreeVars

void convertFreeVars(StatementPtr x, EnvPtr env, LambdaContext &ctx)
{
    switch (x->stmtKind) {

    case BLOCK : {
        Block *y = (Block *)x.ptr();
        if (!y->desugared)
            y->desugared = desugarBlock(y);
        for (unsigned i = 0; i < y->desugared->statements.size(); ++i) {
            StatementPtr z = y->desugared->statements[i];
            if (z->stmtKind == BINDING) {
                Binding *a = (Binding *)z.ptr();
                convertFreeVars(a->values, env, ctx);
                EnvPtr env2 = new Env(env);
                for (unsigned j = 0; j < a->names.size(); ++j)
                    addLocal(env2, a->names[j], a->names[j].ptr());
                env = env2;
            }
            else {
                convertFreeVars(z, env, ctx);
            }
        }
        break;
    }

    case LABEL :
    case BINDING : {
        break;
    }

    case ASSIGNMENT : {
        Assignment *y = (Assignment *)x.ptr();
        convertFreeVars(y->left, env, ctx);
        convertFreeVars(y->right, env, ctx);
        break;
    }

    case INIT_ASSIGNMENT : {
        InitAssignment *y = (InitAssignment *)x.ptr();
        convertFreeVars(y->left, env, ctx);
        convertFreeVars(y->right, env, ctx);
        break;
    }

    case UPDATE_ASSIGNMENT : {
        UpdateAssignment *y = (UpdateAssignment *)x.ptr();
        convertFreeVars(y->left, env, ctx);
        convertFreeVars(y->right, env, ctx);
        break;
    }

    case GOTO : {
        break;
    }

    case RETURN : {
        Return *y = (Return *)x.ptr();
        convertFreeVars(y->values, env, ctx);
        break;
    }

    case IF : {
        If *y = (If *)x.ptr();
        convertFreeVars(y->condition, env, ctx);
        convertFreeVars(y->thenPart, env, ctx);
        if (y->elsePart.ptr())
            convertFreeVars(y->elsePart, env, ctx);
        break;
    }

    case SWITCH : {
        Switch *y = (Switch *)x.ptr();
        convertFreeVars(y->expr, env, ctx);
        for (unsigned i = 0; i < y->caseBlocks.size(); ++i) {
            CaseBlockPtr z = y->caseBlocks[i];
            convertFreeVars(z->caseLabels, env, ctx);
            convertFreeVars(z->body, env, ctx);
        }
        if (y->defaultCase.ptr())
            convertFreeVars(y->defaultCase, env, ctx);
        break;
    }

    case EVAL_STATEMENT : {
        EvalStatement *eval = (EvalStatement *)x.ptr();
        convertFreeVars(eval->args, env, ctx);
        break;
    }

    case EXPR_STATEMENT : {
        ExprStatement *y = (ExprStatement *)x.ptr();
        convertFreeVars(y->expr, env, ctx);
        break;
    }

    case WHILE : {
        While *y = (While *)x.ptr();
        convertFreeVars(y->condition, env, ctx);
        convertFreeVars(y->body, env, ctx);
        break;
//.........这里部分代码省略.........
开发者ID:kssreeram，项目名称:clay-old，代码行数:101，代码来源:lambdas.cpp

示例2: clone

StatementPtr clone(StatementPtr x)
{
    StatementPtr out;

    switch (x->stmtKind) {

    case BLOCK : {
        Block *y = (Block *)x.ptr();
        BlockPtr z = new Block();
        clone(y->statements, z->statements);
        out = z.ptr();
        break;
    }

    case LABEL : {
        Label *y = (Label *)x.ptr();
        out = new Label(y->name);
        break;
    }

    case BINDING : {
        Binding *y = (Binding *)x.ptr();
        vector<FormalArgPtr> args;
        vector<PatternVar> patternVars;
        vector<ObjectPtr> patternTypes;
        clone(y->args, args);
        clone(y->patternVars, patternVars);
        clone(y->patternTypes, patternTypes);
        out = new Binding(y->bindingKind, patternVars, patternTypes, cloneOpt(y->predicate),
            args, clone(y->values), y->hasVarArg);
        break;
    }

    case ASSIGNMENT : {
        Assignment *y = (Assignment *)x.ptr();
        out = new Assignment(clone(y->left), clone(y->right));
        break;
    }

    case INIT_ASSIGNMENT : {
        InitAssignment *y = (InitAssignment *)x.ptr();
        out = new InitAssignment(clone(y->left), clone(y->right));
        break;
    }

    case VARIADIC_ASSIGNMENT : {
        VariadicAssignment *y = (VariadicAssignment *)x.ptr();
        out = new VariadicAssignment(y->op, clone(y->exprs));
        break;
    }

    case GOTO : {
        Goto *y = (Goto *)x.ptr();
        out = new Goto(y->labelName);
        break;
    }

    case RETURN : {
        Return *y = (Return *)x.ptr();
        out = new Return(y->returnKind, clone(y->values));
        break;
    }

    case IF : {
        If *y = (If *)x.ptr();
        vector<StatementPtr> conditionStatements;
        clone(y->conditionStatements, conditionStatements);
        out = new If(conditionStatements, clone(y->condition), clone(y->thenPart),
                     cloneOpt(y->elsePart));
        break;
    }

    case SWITCH : {
        Switch *y = (Switch *)x.ptr();
        vector<StatementPtr> exprStatements;
        clone(y->exprStatements, exprStatements);
        vector<CaseBlockPtr> caseBlocks;
        clone(y->caseBlocks, caseBlocks);
        out = new Switch(exprStatements,
                         clone(y->expr),
                         caseBlocks,
                         cloneOpt(y->defaultCase));
        break;
    }

    case EXPR_STATEMENT : {
        ExprStatement *y = (ExprStatement *)x.ptr();
        out = new ExprStatement(clone(y->expr));
        break;
    }

    case WHILE : {
        While *y = (While *)x.ptr();
        vector<StatementPtr> conditionStatements;
        clone(y->conditionStatements, conditionStatements);
        out = new While(conditionStatements, clone(y->condition), clone(y->body));
        break;
    }

    case BREAK : {
//.........这里部分代码省略.........
开发者ID:lijinggangg，项目名称:clay，代码行数:101，代码来源:clone.cpp

示例3: desugarCatchBlocks

StatementPtr desugarCatchBlocks(llvm::ArrayRef<CatchPtr> catchBlocks,
                                CompilerState* cst) {
    assert(!catchBlocks.empty());
    Location firstCatchLocation = catchBlocks.front()->location;
    IdentifierPtr expVar = Identifier::get("%exp", firstCatchLocation);

    CallPtr activeException = new Call(primitive_expr_activeException(cst), new ExprList());
    activeException->location = firstCatchLocation;

    BindingPtr expBinding =
        new Binding(VAR,
                    identVtoFormalV(vector<IdentifierPtr>(1, expVar)),
                    new ExprList(activeException.ptr()));
    expBinding->location = firstCatchLocation;

    bool lastWasAny = false;
    IfPtr lastIf;
    StatementPtr result;
    for (size_t i = 0; i < catchBlocks.size(); ++i) {
        CatchPtr x = catchBlocks[i];
        if (lastWasAny)
            error(x, "unreachable catch block");
        if (x->exceptionType.ptr()) {
            ExprListPtr asTypeArgs = new ExprList(x->exceptionType);
            ExprPtr expVarName = new NameRef(expVar);
            expVarName->location = x->exceptionVar->location;
            asTypeArgs->add(expVarName);
            CallPtr cond = new Call(operator_expr_exceptionIsP(cst), asTypeArgs);
            cond->location = x->exceptionType->location;

            BlockPtr block = new Block();
            block->location = x->location;

            vector<IdentifierPtr> identifiers;
            makeExceptionVars(identifiers, x);

            CallPtr getter = new Call(operator_expr_exceptionAs(cst), asTypeArgs);
            getter->location = x->exceptionVar->location;
            BindingPtr binding =
                new Binding(VAR,
                            identVtoFormalV(identifiers),
                            new ExprList(getter.ptr()));
            binding->location = x->exceptionVar->location;

            BindingPtr exceptionVarForRethrow =
                new Binding(REF,
                            identVtoFormalV(vector<IdentifierPtr>(1, Identifier::get("%exception", x->location))),
                            new ExprList(new NameRef(Identifier::get(x->exceptionVar->str, x->location))));
            exceptionVarForRethrow->location = x->exceptionVar->location;

            block->statements.push_back(binding.ptr());
            block->statements.push_back(exceptionVarForRethrow.ptr());
            block->statements.push_back(x->body);

            IfPtr ifStatement = new If(cond.ptr(), block.ptr());
            ifStatement->location = x->location;
            if (!result)
                result = ifStatement.ptr();
            if (lastIf.ptr())
                lastIf->elsePart = ifStatement.ptr();
            lastIf = ifStatement;
        }
        else {
            BlockPtr block = new Block();
            block->location = x->location;

            vector<IdentifierPtr> identifiers;
            makeExceptionVars(identifiers, x);

            ExprListPtr asAnyArgs = new ExprList(new NameRef(expVar));
            CallPtr getter = new Call(operator_expr_exceptionAsAny(cst),
                                      asAnyArgs);
            getter->location = x->exceptionVar->location;
            BindingPtr binding =
                new Binding(VAR,
                            identVtoFormalV(identifiers),
                            new ExprList(getter.ptr()));
            binding->location = x->exceptionVar->location;

            BindingPtr exceptionVarForRethrow =
                new Binding(REF,
                            identVtoFormalV(vector<IdentifierPtr>(1, Identifier::get("%exception", x->location))),
                            new ExprList(new NameRef(Identifier::get(x->exceptionVar->str, x->location))));
            exceptionVarForRethrow->location = x->exceptionVar->location;

            block->statements.push_back(binding.ptr());
            block->statements.push_back(exceptionVarForRethrow.ptr());
            block->statements.push_back(x->body);

            if (!result)
                result = block.ptr();
            if (lastIf.ptr())
                lastIf->elsePart = block.ptr();

            lastWasAny = true;
            lastIf = NULL;
        }
    }
    assert(result.ptr());
    if (!lastWasAny) {
//.........这里部分代码省略.........
开发者ID:galchinsky，项目名称:clay，代码行数:101，代码来源:desugar.cpp


注：本文中的StatementPtr::ptr方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。