MWCC/compiler_and_linker/unsorted/CFunc.c

#include "compiler/CFunc.h"
#include "compiler/CABI.h"
#include "compiler/CClass.h"
#include "compiler/CDecl.h"
#include "compiler/CError.h"
#include "compiler/CException.h"
#include "compiler/CExpr.h"
#include "compiler/CInit.h"
#include "compiler/CInline.h"
#include "compiler/CInt64.h"
#include "compiler/CMachine.h"
#include "compiler/CMangler.h"
#include "compiler/CParser.h"
#include "compiler/CPrepTokenizer.h"
#include "compiler/CSOM.h"
#include "compiler/CTemplateTools.h"
#include "compiler/CodeGen.h"
#include "compiler/CompilerTools.h"
#include "compiler/Exceptions.h"
#include "compiler/FuncLevelAsmPPC.h"
#include "compiler/InlineAsmPPC.h"
#include "compiler/ObjGenMachO.h"
#include "compiler/Switch.h"
#include "compiler/objects.h"
#include "compiler/scopes.h"
#include "compiler/types.h"

#ifdef __MWERKS__
#pragma options align=mac68k
#endif
struct CFuncSave {
    CScopeSave scope;
    ObjectList *arguments;
    ObjectList *locals;
    CLabel *labels;
    Statement *curstmt;
    DeclBlock *firstblock;
    DeclBlock *currentblock;
    ExceptionAction *cexcept_dobjstack;
    CLabel *sinit_label;
    ENode *ainit_expr;
    CtorChain *ctor_chain;
    ParserTryBlock *trychain;
    TempNodeCB cinit_tempnodefunc;
    HashNameNode *tkidentifier;
    Object *sinit_first_object;
    FileOffsetInfo cparser_fileoffset;
    TStreamElement symdecltoken;
    SInt32 functionbodyoffset;
    HashNameNode *functionbodypath;
    SInt32 symdecloffset;
    SInt32 symdeclend;
    SInt32 sourceoffset;
    HashNameNode *sourcefilepath;
    SInt32 curstmtvalue;
    NameObjCheckCB name_obj_check;
    FuncArg *check_arglist;
    short blockcount;
    short localcount;
    short tk;
    AccessType global_access;
    Boolean cexcept_hasdobjects;
    Boolean ainit_only_one;
    Boolean cfunc_is_extern_c;
    Boolean temp_reference_init;
};
#ifdef __MWERKS__
#pragma options align=reset
#endif

FuncArg elipsis;
FuncArg oldstyle;
ObjectList *arguments;
ObjectList *locals;
short localcount;
SInt32 curstmtvalue;
SInt32 sourceoffset;
HashNameNode *sourcefilepath;
SInt32 functionbodyoffset;
HashNameNode *functionbodypath;
InitExpr *init_expressions;
CLabel *Labels;
CtorChain *ctor_chain;
Statement *curstmt;
static short temp_destructor_object_regmem;
static short temp_destructor_objects;
static short temp_expression_has_conditionals;
static DeclBlock *firstblock;
static DeclBlock *currentblock;
static short blockcount;
static Object *sinit_first_object;
static CLabel *sinit_label;
static Boolean ainit_only_one;
static ENode *ainit_expr;
static FuncArg *check_arglist;
static Boolean cfunc_is_extern_c;
static short cfunc_staticvarcount;
static void *destroyobjects;
static Boolean cfunc_hasdtortemp;

// forward decls
static void statement(DeclThing *thing);

static void CFunc_LoopIncrement(void) {
    if (curstmtvalue >= 0x1000) {
        if (curstmtvalue >= 0xF000)
            curstmtvalue++;
        else
            curstmtvalue += 0x1000;
    } else {
        curstmtvalue <<= 3;
    }
}

static void CFunc_LoopDecrement(void) {
    if (curstmtvalue > 0x1000) {
        if (curstmtvalue > 0xF000)
            curstmtvalue--;
        else
            curstmtvalue -= 0x1000;
    } else {
        curstmtvalue >>= 3;
    }

    if (curstmtvalue < 1)
        curstmtvalue = 1;
}

DeclBlock *CFunc_NewDeclBlock(void) {
    DeclBlock *block;
    NameSpace *nspace;

    block = lalloc(sizeof(DeclBlock));
    if (firstblock) {
        currentblock->next = block;
        currentblock = block;
    } else {
        firstblock = block;
        currentblock = block;
    }

    block->index = blockcount++;
    block->parent_nspace = cscope_current;
    block->dobjstack = cexcept_dobjstack;

    nspace = CScope_NewListNameSpace(NULL, 0);
    nspace->parent = cscope_current;
    cscope_current = nspace;

    return block;
}

void CFunc_RestoreBlock(DeclBlock *block) {
    if (curstmt && curstmt->dobjstack != cexcept_dobjstack) {
        Statement *stmt = CFunc_AppendStatement(ST_EXPRESSION);
        stmt->expr = nullnode();
    }

    cscope_current = block->parent_nspace;
    cexcept_dobjstack = block->dobjstack;
}

void CFunc_SetupLocalVarInfo(Object *obj) {
    obj->u.var.info = CodeGen_GetNewVarInfo();
    obj->u.var.info->func = cscope_currentfunc;

    if (obj->sclass == TK_REGISTER) {
        if (!copts.optimizesize)
            obj->u.var.info->usage = 100;
        else
            obj->u.var.info->usage = 5;
    }

    if (obj->type && is_volatile_object(obj))
        obj->u.var.info->noregister = 1;
}

static void adjustargumenttype(DeclInfo *declinfo) {
    switch (declinfo->thetype->type) {
        case TYPECLASS:
            if (TYPE_CLASS(declinfo->thetype)->sominfo) {
                CError_Error(CErrorStr284);
                declinfo->thetype = TYPE(&stsignedint);
            }
            break;
        case TYPEFUNC:
            makethetypepointer(declinfo, 0);
            return;
        case TYPEARRAY:
            declinfo->thetype = CDecl_NewPointerType(TPTR_TARGET(declinfo->thetype));
            return;
        case TYPETEMPLATE:
            if (TYPE_TEMPLATE(declinfo->thetype)->dtype == TEMPLDEP_ARRAY)
                declinfo->thetype = CDecl_NewPointerType(TYPE_TEMPLATE(declinfo->thetype)->u.array.type);
            return;
    }

    if (!CanCreateObject(declinfo->thetype))
        declinfo->thetype = TYPE(&stsignedint);
}

static FuncArg *CFunc_IsInArgList(FuncArg *list, HashNameNode *name) {
    while (list) {
        if (name == list->name)
            return list;
        list = list->next;
    }

    return NULL;
}

static Object *CFunc_IsInObjList(ObjectList *list, HashNameNode *name) {
    while (list) {
        if (name == list->object->name)
            return list->object;
        list = list->next;
    }

    return NULL;
}

static void CFunc_AppendArg(FuncArg **list, FuncArg *arg) {
    FuncArg *tail;

    if ((tail = *list)) {
        while (tail->next)
            tail = tail->next;
        tail->next = arg;
    } else {
        *list = arg;
    }
}

static void identifier_list(DeclInfo *declinfo) {
    FuncArg *arg;

    declinfo->x45 = 1;

    while (1) {
        if (tk != TK_IDENTIFIER) {
            CError_Error(CErrorStr121);
        } else {
            if (CFunc_IsInArgList(declinfo->x18, tkidentifier))
                CError_Error(CErrorStr122, tkidentifier->name);

            arg = CParser_NewFuncArg();
            arg->name = tkidentifier;
            CFunc_AppendArg(&declinfo->x18, arg);
            declinfo->x44 = 1;
        }

        if ((tk = lex()) != ',')
            break;
        tk = lex();
    }
}

static Boolean defarg_name_obj_check(HashNameNode *name, Object *obj) {
    FuncArg *arg;

    if (name) {
        for (arg = check_arglist; arg; arg = arg->next) {
            if (arg->name == name) {
                CError_Error(CErrorStr205);
                return 0;
            }
        }
    }

    if (obj && obj->datatype == DLOCAL) {
        CError_Error(CErrorStr205);
        return 0;
    }

    return 1;
}

ENode *CFunc_DefaultArg(Type *type, UInt32 qual, FuncArg *args) {
    TStreamElement *element;
    ENode *expr;
    ENode *templdepexpr;

    name_obj_check = defarg_name_obj_check;
    check_arglist = args;
    expr = conv_assignment_expression();
    name_obj_check = NULL;

    if (
        !CTemplTool_IsTemplateArgumentDependentExpression(expr) &&
        !CTemplTool_IsTemplateArgumentDependentType(type)
        )
    {
        expr = argumentpromotion(expr, type, qual, 1);
    } else {
        element = CPrep_CurStreamElement();
        if (element && element->tokenfile) {
            templdepexpr = CExpr_NewTemplDepENode(TDE_SOURCEREF);
            templdepexpr->data.templdep.u.sourceref.expr = expr;
            templdepexpr->data.templdep.u.sourceref.token = galloc(sizeof(TStreamElement));
            *templdepexpr->data.templdep.u.sourceref.token = *element;
            expr = templdepexpr;
        }
    }

    return CInline_CopyExpression(expr, CopyMode1);
}

static FuncArg *parameter_list(DeclInfo *declinfo) {
    Boolean flag26;
    FuncArg *args;
    FuncArg *arg;
    DeclInfo my_di;
    Boolean isArray;

    args = NULL;
    flag26 = 1;

    while (1) {
        if (tk == TK_ELLIPSIS) {
            if (flag26) {
                if (!copts.cplusplus && copts.ANSIstrict)
                    CError_Warning(CErrorStr127);
                args = &elipsis;
            } else {
                CFunc_AppendArg(&args, &elipsis);
            }

            tk = lex();
            return args;
        }

        memclrw(&my_di, sizeof(my_di));
        CParser_GetDeclSpecs(&my_di, 0);
        if (my_di.x48)
            CError_Error(CErrorStr127);

        if (
            my_di.storageclass &&
            my_di.storageclass != TK_REGISTER &&
            (!copts.cplusplus || my_di.storageclass != TK_AUTO)
            )
        {
            CError_Error(CErrorStr127);
            my_di.storageclass = 0;
        }

        my_di.name = NULL;

        scandeclarator(&my_di);

        if (flag26) {
            flag26 = 0;
            if (my_di.thetype == &stvoid) {
                if (my_di.storageclass || my_di.qual || my_di.name)
                    CError_Error(CErrorStr127);
                return NULL;
            }
        }

        isArray = IS_TYPE_ARRAY(my_di.thetype);
        adjustargumenttype(&my_di);

        if (my_di.name) {
            if (args && CFunc_IsInArgList(args, my_di.name))
                CError_Error(CErrorStr122, my_di.name->name);
        } else {
            my_di.name = no_name_node;
        }

        if (my_di.thetype == &stvoid)
            CError_Error(CErrorStr126);

        arg = CParser_NewFuncArg();
        arg->name = my_di.name;
        arg->type = my_di.thetype;
        arg->qual = my_di.qual;
        arg->sclass = my_di.storageclass;
        arg->is_array = isArray;
        CFunc_AppendArg(&args, arg);

        if (copts.cplusplus && tk == '=') {
            tk = lex();
            arg->dexpr = CFunc_DefaultArg(arg->type, arg->qual, args);
        }

        if (tk != ',') {
            if (tk != TK_ELLIPSIS || !copts.cplusplus)
                return args;
        } else {
            tk = lex();
        }
    }
}

Boolean CFunc_ParseFakeArgList(Boolean flag) {
    DeclInfo di;

    if (tk == TK_ELLIPSIS)
        return 1;

    do {
        memclrw(&di, sizeof(di));
        CParser_GetDeclSpecs(&di, 0);

        if (di.x48)
            return 0;

        scandeclarator(&di);

        if (tk == '=') {
            tk = lex();
            assignment_expression();
        }

        switch (tk) {
            case TK_ELLIPSIS:
                return 1;
            case ',':
                if (!flag)
                    tk = lex();
                else
                    return 1;
                break;
            default:
                return 0;
        }
    } while (tk != TK_ELLIPSIS);

    return 1;
}

FuncArg *parameter_type_list(DeclInfo *declinfo) {
    FuncArg *args;
    NameSpace *nspace;
    Boolean save_in_func_arglist;

    declinfo->x44 = 0;
    declinfo->x45 = 0;
    declinfo->x1C = NULL;

    if (tk == TK_ELLIPSIS || isdeclaration(0, 0, 0, 0)) {
        if (!copts.cplusplus) {
            nspace = CScope_NewListNameSpace(NULL, 0);
            nspace->parent = cscope_current;
            cscope_current = nspace;

            save_in_func_arglist = in_func_arglist;
            in_func_arglist = 1;
            args = parameter_list(declinfo);
            in_func_arglist = save_in_func_arglist;

            cscope_current = nspace->parent;

            if (!CScope_IsEmptyNameSpace(nspace))
                declinfo->x1C = nspace;
        } else {
            args = parameter_list(declinfo);
        }
    } else if (copts.cplusplus) {
        args = NULL;
        if (tk != ')')
            CError_Error(CErrorStr127);
    } else {
        identifier_list(declinfo);
        args = &oldstyle;
    }

    return args;
}

CLabel *findlabel(void) {
    CLabel *scan;

    for (scan = Labels; scan; scan = scan->next) {
        if (tkidentifier == scan->name)
            return scan;
    }

    return NULL;
}

CLabel *newlabel(void) {
    CLabel *label = lalloc(sizeof(CLabel));
    memclrw(label, sizeof(CLabel));

    label->name = label->uniquename = CParser_GetUniqueName();
    return label;
}

Statement *CFunc_AppendStatement(StatementType sttype) {
    Statement *stmt = lalloc(sizeof(Statement));

    stmt->next = NULL;
    stmt->type = sttype;
    stmt->value = curstmtvalue;
    stmt->flags = 0;
    stmt->sourceoffset = sourceoffset;
    stmt->sourcefilepath = sourcefilepath;
    stmt->dobjstack = cexcept_dobjstack;

    curstmt->next = stmt;
    curstmt = stmt;
    return stmt;
}

Statement *CFunc_InsertStatement(StatementType sttype, Statement *after) {
    Statement *stmt = lalloc(sizeof(Statement));

    stmt->next = after->next;
    after->next = stmt;
    stmt->type = sttype;
    stmt->value = after->value;
    stmt->flags = 0;
    stmt->sourceoffset = after->sourceoffset;
    stmt->sourcefilepath = after->sourcefilepath;
    stmt->dobjstack = after->dobjstack;

    return stmt;
}

Statement *CFunc_InsertBeforeStatement(StatementType sttype, Statement *before) {
    Statement *stmt = lalloc(sizeof(Statement));

    *stmt = *before;
    before->next = stmt;
    before->type = sttype;
    before->flags = 0;

    return before;
}

void CheckCLabels(void) {
    CLabel *scan;

    for (scan = Labels; scan; scan = scan->next) {
        if (!scan->stmt)
            CError_Error(CErrorStr159, scan->name->name);
    }
}

Object *create_temp_object(Type *type) {
    Object *object = CParser_NewLocalDataObject(NULL, 1);
    object->name = CParser_GetUniqueName();
    object->type = type;
    CFunc_SetupLocalVarInfo(object);
    return object;
}

ENode *create_temp_node(Type *type) {
    ENode *node;

    if (cinit_tempnodefunc)
        return cinit_tempnodefunc(type, 0);

    node = CExpr_NewETEMPNode(type, 0);
    if (IS_TYPE_CLASS(type) && CClass_Destructor(TYPE_CLASS(type)))
        node->data.temp.needs_dtor = 1;
    return node;
}

ENode *create_temp_node2(Type *type) {
    ENode *node;

    if (cinit_tempnodefunc)
        return cinit_tempnodefunc(type, 1);

    node = CExpr_NewETEMPNode(type, 0);
    node->data.temp.needs_dtor = 1;
    return node;
}

static ENode *CFunc_DestroyReverse(ENode *expr, DtorTemp *list) {
    expr = makediadicnode(expr, CABI_DestroyObject(list->dtor, create_objectrefnode(list->object), CABIDestroy1, 1, 0), ECOMMA);
    expr->rtype = &stvoid;
    if (list->next)
        expr = CFunc_DestroyReverse(expr, list->next);
    return expr;
}

static ENode *CFunc_TempTransDestroy(ENode *expr, DtorTemp *list, Boolean flag) {
    Object *tempobj;

    if (flag) {
        CError_ASSERT(738, !(IS_TYPE_CLASS(expr->rtype) && CClass_Destructor(TYPE_CLASS(expr->rtype))));
        tempobj = create_temp_object(expr->rtype);
        expr = makediadicnode(create_objectnode(tempobj), expr, EASS);
    }

    expr = CFunc_DestroyReverse(expr, list);

    if (flag) {
        expr = makediadicnode(expr, create_objectnode(tempobj), ECOMMA);
        expr->rtype = tempobj->type;
    }

    return expr;
}

void CFunc_WarnUnused(void) {
    if (copts.warn_unusedvar) {
        ObjectList *list;
        for (list = locals; list; list = list->next) {
            if (
                !(list->object->flags & OBJECT_USED) &&
                !IsTempName(list->object->name) &&
                !(list->object->qual & Q_INLINE_DATA)
                )
            {
                CError_SetErrorToken(&list->object->u.var.info->deftoken);
                CError_Warning(CErrorStr182, &list->object->name->name);
            }
        }
    }

    if (copts.warn_unusedarg) {
        ObjectList *list;
        for (list = arguments; list; list = list->next) {
            if (
                !(list->object->flags & OBJECT_USED) &&
                !IsTempName(list->object->name) &&
                list->object->name != this_name_node &&
                list->object->name != self_name_node
                )
            {
                CError_SetErrorToken(&symdecltoken);
                CError_Warning(CErrorStr182, &list->object->name->name);
            }
        }
    }
}

void CFunc_CodeCleanup(Statement *stmt) {
    if (cscope_currentclass && cscope_currentclass->sominfo)
        CSOM_InitSOMSelf(cscope_currentclass, stmt);

    CFunc_WarnUnused();
    CExcept_ExceptionTansform(stmt);
}

static Boolean DestructorNeeded(ExceptionAction *ea, ExceptionAction *end) {
    while (ea) {
        if (CExcept_ActionNeedsDestruction(ea))
            return 1;
        if (ea == end)
            break;
        ea = ea->prev;
    }

    return 0;
}

static Statement *DestructLocals(Statement *stmt, ExceptionAction *ea, ExceptionAction *end) {
    while (ea) {
        stmt = CExcept_ActionCleanup(ea, stmt);
        if (ea == end)
            break;
        ea = ea->prev;
    }

    return stmt;
}

static Boolean NeedsDestruction(Statement *stmt1, Statement *stmt2) {
    ExceptionAction *ea2;
    ExceptionAction *ea1;
    ExceptionAction *scan;

    ea1 = stmt1->dobjstack;
    ea2 = stmt2->dobjstack;

    for (scan = ea2; scan; scan = scan->prev) {
        if (scan == ea1)
            return 0;
    }

    while (ea1 && ea1 != ea2) {
        if (CExcept_ActionNeedsDestruction(ea1))
            return 1;
        ea1 = ea1->prev;
    }

    return 0;
}

static ExceptionAction *FindLastNonCommonStackObj(Statement *stmt1, Statement *stmt2) {
    ExceptionAction *ea1;
    ExceptionAction *ea2;

    for (ea2 = stmt2->dobjstack; ea2; ea2 = ea2->prev) {
        for (ea1 = stmt1->dobjstack; ea1; ea1 = ea1->prev) {
            if (ea1->prev == ea2)
                return ea1;
        }
    }

    return NULL;
}

static void DestructorReturnTransform(Statement *stmt1, Statement *stmt2) {
    Statement *stmt;
    Object *tempobj;

    if (stmt1->dobjstack != stmt2->dobjstack && NeedsDestruction(stmt1, stmt2))
        stmt1 = DestructLocals(stmt1, stmt1->dobjstack, FindLastNonCommonStackObj(stmt1, stmt2));

    if (DestructorNeeded(stmt2->dobjstack, NULL)) {
        if (CMach_GetFunctionResultClass(TYPE_FUNC(cscope_currentfunc->type)) != 1) {
            tempobj = create_temp_object(stmt2->expr->rtype);
            stmt = CFunc_InsertStatement(ST_EXPRESSION, stmt1);
            stmt->expr = makediadicnode(create_objectnode(tempobj), stmt2->expr, EASS);
            stmt->sourceoffset = stmt2->sourceoffset;
            stmt->sourcefilepath = stmt2->sourcefilepath;
            DestructLocals(stmt, stmt2->dobjstack, NULL);
            stmt2->expr = create_objectnode(tempobj);
        } else {
            stmt = CFunc_InsertStatement(ST_EXPRESSION, stmt1);
            stmt->expr = stmt2->expr;
            stmt->sourceoffset = stmt2->sourceoffset;
            stmt->sourcefilepath = stmt2->sourcefilepath;
            DestructLocals(stmt, stmt2->dobjstack, NULL);
            stmt2->expr = nullnode();
        }
    }
}

static Statement *DestructorIfTransform(Statement *stmt) {
    CLabel *label;
    Statement *newStmt;

    if (stmt->type == ST_IFGOTO)
        stmt->type = ST_IFNGOTO;
    else
        stmt->type = ST_IFGOTO;

    label = newlabel();
    newStmt = DestructLocals(stmt, stmt->dobjstack, FindLastNonCommonStackObj(stmt, stmt->label->stmt));
    newStmt = CFunc_InsertStatement(ST_GOTO, newStmt);
    newStmt->label = stmt->label;
    newStmt = CFunc_InsertStatement(ST_LABEL, newStmt);
    newStmt->label = label;
    label->stmt = newStmt;
    stmt->label = label;
    newStmt->dobjstack = stmt->dobjstack;
    return newStmt;
}

static Boolean IsSubStack(ExceptionAction *exc1, ExceptionAction *exc2) {
    if (!exc1)
        return 1;

    while (exc2) {
        if (exc2 == exc1)
            return 1;
        exc2 = exc2->prev;
    }

    return 0;
}

static void CFunc_CheckInitSkip(Statement *stmt, ExceptionAction *exc) {
    if (stmt->dobjstack != exc && !IsSubStack(exc, stmt->dobjstack)) {
        while (exc) {
            if (CExcept_ActionNeedsDestruction(exc) && exc->type != EAT_ACTIVECATCHBLOCK) {
                CError_Warning(CErrorStr211);
                break;
            }
            exc = exc->prev;
        }
    }
}

void CFunc_DestructorCleanup(Statement *stmt) {
    Statement *scan;
    Statement *next;
    SwitchCase *swcase;

    if (copts.cplusplus) {
        for (scan = stmt; scan; scan = scan->next) {
            switch (scan->type) {
                case ST_NOP:
                case ST_LABEL:
                case ST_EXPRESSION:
                case ST_RETURN:
                case ST_BEGINCATCH:
                case ST_ENDCATCH:
                case ST_ENDCATCHDTOR:
                case ST_GOTOEXPR:
                case ST_ASM:
                    break;
                case ST_SWITCH:
                    CFunc_CheckInitSkip(scan, ((SwitchInfo *) scan->label)->defaultlabel->stmt->dobjstack);
                    for (swcase = ((SwitchInfo *) scan->label)->cases; swcase; swcase = swcase->next) {
                        CFunc_CheckInitSkip(scan, swcase->label->stmt->dobjstack);
                    }
                    break;
                case ST_GOTO:
                case ST_IFGOTO:
                case ST_IFNGOTO:
                    CFunc_CheckInitSkip(scan, scan->label->stmt->dobjstack);
                    break;
                default:
                    CError_FATAL(1045);
            }
        }

        if (cexcept_hasdobjects) {
            while (1) {
                next = stmt->next;
                if (!next) {
                    if (stmt->type != ST_RETURN && stmt->dobjstack)
                        DestructLocals(stmt, stmt->dobjstack, NULL);
                    return;
                }

                switch (next->type) {
                    case ST_GOTO:
                        if (
                            stmt->dobjstack != next->label->stmt->dobjstack &&
                            NeedsDestruction(stmt, next->label->stmt)
                            )
                        {
                            DestructLocals(stmt, stmt->dobjstack, FindLastNonCommonStackObj(stmt, next->label->stmt));
                        }
                        stmt = next;
                        continue;

                    case ST_RETURN:
                        if (next->expr && DestructorNeeded(stmt->dobjstack, NULL)) {
                            DestructorReturnTransform(stmt, next);
                        } else if (stmt->dobjstack) {
                            DestructLocals(stmt, stmt->dobjstack, NULL);
                        }
                        stmt = next;
                        continue;
                }

                switch (stmt->type) {
                    case ST_GOTO:
                    case ST_SWITCH:
                    case ST_RETURN:
                    case ST_GOTOEXPR:
                        break;
                    case ST_NOP:
                    case ST_LABEL:
                    case ST_EXPRESSION:
                    case ST_IFGOTO:
                    case ST_IFNGOTO:
                    case ST_BEGINCATCH:
                    case ST_ENDCATCH:
                    case ST_ENDCATCHDTOR:
                    case ST_ASM:
                        if (
                            stmt->dobjstack != next->dobjstack &&
                            NeedsDestruction(stmt, next)
                            )
                        {
                            DestructLocals(stmt, stmt->dobjstack, FindLastNonCommonStackObj(stmt, next));
                        }
                        break;
                    default:
                        CError_FATAL(1109);
                }

                switch (next->type) {
                    case ST_NOP:
                    case ST_LABEL:
                    case ST_EXPRESSION:
                    case ST_SWITCH:
                    case ST_BEGINCATCH:
                    case ST_ENDCATCH:
                    case ST_ENDCATCHDTOR:
                    case ST_ASM:
                        stmt = next;
                        continue;

                    case ST_IFGOTO:
                    case ST_IFNGOTO:
                        if (
                            next->dobjstack != next->label->stmt->dobjstack &&
                            NeedsDestruction(next, next->label->stmt)
                            )
                        {
                            stmt = DestructorIfTransform(next);
                        } else {
                            stmt = next;
                        }
                        break;

                    default:
                        CError_FATAL(1138);
                }
            }
        }
    }
}

static void scancase(DeclThing *thing) {
    SwitchCase *swcase;
    Statement *stmt;
    CInt64 min;
    CInt64 max;

    if (!thing->switchinfo) {
        CError_Error(CErrorStr169);
        return;
    }

    tk = lex();
    min = CExpr_IntConstConvert(thing->switchinfo->x8, thing->switchinfo->x8, CExpr_IntegralConstExpr());
    if (!copts.ANSIstrict && tk == TK_ELLIPSIS) {
        tk = lex();
        max = CExpr_IntConstConvert(thing->switchinfo->x8, thing->switchinfo->x8, CExpr_IntegralConstExpr());
        if (CInt64_Greater(min, max))
            CError_Error(CErrorStr366);
        if (thing->switchinfo->x8->size == stsignedlonglong.size)
            CError_Error(CErrorStr368);
    } else {
        max = min;
    }

    for (swcase = thing->switchinfo->cases; swcase; swcase = swcase->next) {
        if (CInt64_GreaterEqual(swcase->min, min) && CInt64_LessEqual(swcase->min, max))
            CError_Error(CErrorStr172);
        if (CInt64_GreaterEqual(swcase->max, min) && CInt64_LessEqual(swcase->max, max))
            CError_Error(CErrorStr172);
        if (CInt64_Less(swcase->min, min) && CInt64_Greater(swcase->max, max))
            CError_Error(CErrorStr172);
    }

    stmt = CFunc_AppendStatement(ST_LABEL);
    stmt->label = newlabel();
    stmt->label->stmt = stmt;

    swcase = lalloc(sizeof(SwitchCase));
    swcase->min = min;
    swcase->label = stmt->label;
    swcase->next = thing->switchinfo->cases;
    thing->switchinfo->cases = swcase;
    swcase->max = max;

    if (tk != ':')
        CError_ErrorSkip(CErrorStr170);
    else
        tk = lex();

    statement(thing);
}

static void CFunc_NameLocalStaticDataObject(Object *obj, char *str) {
    char buf[64];
    HashNameNode *name;

    if (!(cscope_currentfunc && (cscope_currentfunc->qual & Q_INLINE)) || CParser_HasInternalLinkage(cscope_currentfunc)) {
        obj->name = CParser_AppendUniqueName(str);
    } else {
        sprintf(buf, "$localstatic%" PRId32 "$", cfunc_staticvarcount++);
        name = CMangler_GetLinkName(cscope_currentfunc);
        name = CParser_NameConcat(buf, name->name);
        name = CParser_NameConcat(str, name->name);
        obj->name = name;
        obj->qual |= Q_20000;
        obj->sclass = 0;
    }
}

static void sinit_insert_expr(ENode *expr) {
    Statement *stmt;

    if (!sinit_first_object) {
        sinit_first_object = CParser_NewCompilerDefDataObject();
        sinit_first_object->type = TYPE(&stsignedchar);
        sinit_first_object->sclass = TK_STATIC;
        CFunc_NameLocalStaticDataObject(sinit_first_object, "init");
        CInit_DeclareData(sinit_first_object, NULL, NULL, sinit_first_object->type->size);

        sinit_label = newlabel();
        stmt = CFunc_AppendStatement(ST_IFGOTO);
        stmt->expr = create_objectnode(sinit_first_object);
        stmt->label = sinit_label;
    }

    stmt = CFunc_AppendStatement(ST_EXPRESSION);
    stmt->expr = expr;
}

static void ainit_insert_expr(ENode *expr) {
    Statement *stmt;

    if (ainit_only_one) {
        if (ainit_expr) {
            stmt = CFunc_AppendStatement(ST_EXPRESSION);
            stmt->expr = ainit_expr;
        }
        ainit_expr = expr;
    } else {
        stmt = CFunc_AppendStatement(ST_EXPRESSION);
        stmt->expr = expr;
    }
}

static ENode *ainit_register_object(Type *type, Object *local, SInt32 offset, Boolean flag) {
    return CExcept_RegisterDestructorObject(local, offset, CClass_Destructor(TYPE_CLASS(type)), flag);
}

static void CFunc_LocalDataDeclarator(DeclInfo *di, TStreamElement *deftoken, Boolean flag1, Boolean flag2) {
    Object *object;
    Object *aliasObject;
    NameSpace *globalNS;
    NameSpaceObjectList *nsol;
    NameSpaceName *nsname;
    Statement *stmt;

    if (di->nspace)
        CError_Error(CErrorStr121);

    CDecl_CompleteType(di->thetype);

    object = NULL;

    if ((nsol = CScope_FindName(cscope_current, di->name))) {
        switch (nsol->object->otype) {
            case OT_OBJECT:
                object = OBJECT(nsol->object);
                break;
            case OT_NAMESPACE:
                CError_Error(CErrorStr321);
                return;
            case OT_ENUMCONST:
            case OT_TYPE:
                CError_Error(CErrorStr322);
                break;
            case OT_TYPETAG:
                break;
            default:
                CError_FATAL(1344);
        }
    }

    if (object)
        CError_Error(CErrorStr333, object);

    if (di->storageclass == TK_EXTERN) {
        object = NULL;
        globalNS = CScope_FindGlobalNS(cscope_current);
        if ((nsol = CScope_FindName(globalNS, di->name))) {
            switch (nsol->object->otype) {
                case OT_OBJECT:
                    object = OBJECT(nsol->object);
                    break;
                case OT_NAMESPACE:
                    CError_Error(CErrorStr321);
                    return;
                case OT_ENUMCONST:
                case OT_TYPE:
                    CError_Error(CErrorStr322);
                    break;
                case OT_TYPETAG:
                    break;
                default:
                    CError_FATAL(1381);
            }
        }

        if (object) {
            if (
                !is_typesame(di->thetype, object->type) ||
                    (di->qual & (Q_CONST | Q_VOLATILE | Q_PASCAL | Q_20000 | Q_WEAK | Q_ALIGNED_MASK)) != (object->qual & (Q_CONST | Q_VOLATILE | Q_PASCAL | Q_20000 | Q_WEAK | Q_ALIGNED_MASK))
                )
            {
                CError_Error(CErrorStr249, di->name->name, object->type, object->qual, di->thetype, di->qual);
            }
        } else {
            object = CParser_NewGlobalDataObject(di);
            object->nspace = globalNS;
        }

        CParser_NewAliasObject(object, 0);
        return;
    }

    if (di->storageclass != TK_STATIC)
        object = CParser_NewObject(di);
    else
        object = CParser_NewGlobalDataObject(di);

    object->name = di->name;
    object->type = di->thetype;
    object->qual = di->qual;
    object->sclass = di->storageclass;

    switch (di->storageclass) {
        case TK_STATIC:
            if (flag1) {
                CError_Error(CErrorStr177);
                return;
            }
            if (flag2)
                CError_Error(CErrorStr174);

            if (CanCreateObject(di->thetype)) {
                CError_QualifierCheck(di->qual & ~(Q_CONST | Q_VOLATILE | Q_PASCAL | Q_20000 | Q_WEAK | Q_ALIGNED_MASK));
                CParser_NewAliasObject(object, 0);
                object->nspace = cscope_root;
                object->datatype = DDATA;
                CFunc_NameLocalStaticDataObject(object, object->name->name);

                if (copts.cplusplus) {
                    sinit_first_object = NULL;
                    CInit_InitializeStaticData(object, sinit_insert_expr);
                    if (sinit_first_object) {
                        stmt = CFunc_AppendStatement(ST_EXPRESSION);
                        stmt->expr = makediadicnode(
                            create_objectnode(sinit_first_object),
                            intconstnode(TYPE(&stsignedchar), 1),
                            EASS);
                        stmt = CFunc_AppendStatement(ST_LABEL);
                        stmt->label = sinit_label;
                        sinit_label->stmt = stmt;
                    }
                } else {
                    CInit_InitializeData(object);
                }
            }
            break;

        case 0:
        case TK_AUTO:
        case TK_REGISTER:
            if (CanCreateObject(di->thetype)) {
                CError_QualifierCheck(di->qual & ~(Q_CONST | Q_VOLATILE | Q_PASCAL | Q_ALIGNED_MASK));
                object->datatype = DLOCAL;
                CFunc_SetupLocalVarInfo(object);

                object->u.var.info->deftoken = *deftoken;
                if (object->sclass == TK_REGISTER && flag1)
                    object->u.var.info->usage = 100;

                CScope_AddObject(cscope_current, object->name, OBJ_BASE(object));

                if (!flag1) {
                    if (IS_TYPE_SOM_CLASS(di->thetype)) {
                        CSOM_InitAutoClass(object);
                    } else {
                        CInit_InitializeAutoData(object, ainit_insert_expr, ainit_register_object);
                        if (object->type != di->thetype && (IS_TYPE_STRUCT(object->type) || IS_TYPE_CLASS(object->type))) {
                            CError_ASSERT(1478, !cscope_current->is_hash);
                            CError_ASSERT(1479, nsname = CScope_FindNameSpaceName(cscope_current, object->name));
                            CError_ASSERT(1480, nsname->first.object == OBJ_BASE(object));
                            CError_ASSERT(1481, !nsname->first.next);
                            nsname->name = CParser_AppendUniqueName(object->name->name);

                            aliasObject = CParser_NewAliasObject(object, 0);
                            aliasObject->type = di->thetype;
                        }
                    }
                }

                if (object->datatype == DLOCAL) {
                    ObjectList *list = lalloc(sizeof(ObjectList));
                    list->object = object;
                    list->next = locals;
                    locals = list;
                }

                IsCompleteType(di->thetype);
            }
            break;

        default:
            CError_FATAL(1504);
    }
}

static ENode *CFunc_ParseLocalDeclarationList(Boolean flag1, Boolean flag2, Boolean flag3, Boolean flag4) {
    Type *type;
    UInt32 qual;
    DeclInfo di;
    TStreamElement deftoken;

    ainit_expr = NULL;
    ainit_only_one = flag2;

    while (flag2 || isdeclaration(copts.cplusplus, 0, 0, 0)) {
        CPrep_GetFileOffsetInfo2(&cparser_fileoffset, &sourceoffset, &sourcefilepath);

        memclrw(&di, sizeof(di));
        di.is_extern_c = cfunc_is_extern_c;
        CParser_GetDeclSpecs(&di, 0);

        if (IS_TYPE_TEMPLATE(di.thetype)) {
            CError_Error(CErrorStr146);
            di.thetype = TYPE(&stsignedint);
        }

        type = di.thetype;
        qual = di.qual;

        if (tk != ';') {
            while (1) {
                deftoken = *CPrep_CurStreamElement();
                di.name = NULL;
                scandeclarator(&di);

                if (di.name) {
                    if (di.storageclass != TK_TYPEDEF) {
                        if (IS_TYPE_FUNC(di.thetype)) {
                            if (!CDecl_FunctionDeclarator(&di, CScope_FindGlobalNS(cscope_current), 0, 0))
                                break;
                        } else {
                            CFunc_LocalDataDeclarator(&di, &deftoken, flag1, flag2);
                        }
                    } else {
                        CDecl_TypedefDeclarator(&di);
                    }
                } else {
                    CError_Error(CErrorStr134);
                }

                if (tk == ';')
                    break;

                if (tk != ',') {
                    if (!flag2)
                        CError_Error(CErrorStr123);
                    break;
                }

                di.nspace = NULL;
                di.thetype = type;
                di.qual = qual;
                tk = lex();
            }
        } else {
            CParser_CheckAnonymousUnion(&di, 1);
        }

        if (flag2)
            break;
        if (flag4)
            break;
        tk = lex();
    }

    if (flag2) {
        if (!ainit_expr) {
            if (!flag3) {
                CError_Error(CErrorStr141);
                ainit_expr = nullnode();
            }
        } else {
            ainit_expr = checkreference(ainit_expr);
        }
    }

    return ainit_expr;
}

static void makeifstatement(ENode *expr, CLabel *label1, CLabel *label2, Boolean flag1, Boolean flag2) {
    Statement *stmt;
    CLabel *tmplabel;

    if (!expr) {
        if (flag1) {
            stmt = CFunc_AppendStatement(ST_GOTO);
            stmt->label = label1;
            return;
        }
        return;
    }

    if (
        ENODE_IS(expr, ETYPCON) &&
        IS_TYPE_INT(expr->rtype) &&
        IS_TYPE_INT(expr->data.monadic->rtype) &&
        expr->rtype->size >= expr->data.monadic->rtype->size
        )
        expr = expr->data.monadic;

    if (isnotzero(expr)) {
        if (flag1) {
            stmt = CFunc_AppendStatement(ST_GOTO);
            stmt->label = label1;
            return;
        }
        return;
    }

    if (iszero(expr)) {
        if (!flag1) {
            stmt = CFunc_AppendStatement(ST_GOTO);
            stmt->label = label1;
            return;
        }
        return;
    }

    if (ENODE_IS(expr, ELOGNOT)) {
        makeifstatement(expr->data.monadic, label1, label2, !flag1, flag2);
        return;
    }

    if (ENODE_IS(expr, ELOR)) {
        tmplabel = newlabel();
        if (flag1) {
            makeifstatement(expr->data.diadic.left, label1, tmplabel, 1, flag2);
            tmplabel->stmt = CFunc_AppendStatement(ST_LABEL);
            tmplabel->stmt->label = tmplabel;
            makeifstatement(expr->data.diadic.right, label1, label2, 1, flag2);
            return;
        } else {
            makeifstatement(expr->data.diadic.left, label2, tmplabel, 1, flag2);
            tmplabel->stmt = CFunc_AppendStatement(ST_LABEL);
            tmplabel->stmt->label = tmplabel;
            makeifstatement(expr->data.diadic.right, label1, label2, 0, flag2);
            return;
        }
    }

    if (ENODE_IS(expr, ELAND)) {
        tmplabel = newlabel();
        if (flag1) {
            makeifstatement(expr->data.diadic.left, label2, tmplabel, 0, flag2);
            tmplabel->stmt = CFunc_AppendStatement(ST_LABEL);
            tmplabel->stmt->label = tmplabel;
            makeifstatement(expr->data.diadic.right, label1, label2, 1, flag2);
            return;
        } else {
            makeifstatement(expr->data.diadic.left, label1, tmplabel, 0, flag2);
            tmplabel->stmt = CFunc_AppendStatement(ST_LABEL);
            tmplabel->stmt->label = tmplabel;
            makeifstatement(expr->data.diadic.right, label1, label2, 0, flag2);
            return;
        }
    }

    stmt = CFunc_AppendStatement(ST_IFGOTO);
    stmt->label = label1;
    stmt->expr = expr;
    if (!flag1)
        stmt->type = ST_IFNGOTO;
    if (flag2)
        stmt->flags = stmt->flags | StmtFlag_4;
}

static void CFunc_HasDtorTempCallBack(ENode *expr) {
    if (expr->data.temp.needs_dtor || expr->data.temp.uniqueid)
        cfunc_hasdtortemp = 1;
}

static void ifstatement(Boolean flag1, ENode *expr, CLabel *label, Boolean flag2) {
    Statement *stmt;
    CLabel *tmplabel;

    if (expr && copts.cplusplus && copts.exceptions) {
        cfunc_hasdtortemp = 0;
        CExpr_SearchExprTree(expr, CFunc_HasDtorTempCallBack, 1, ETEMP);
        if (cfunc_hasdtortemp) {
            stmt = CFunc_AppendStatement(flag1 ? ST_IFGOTO : ST_IFNGOTO);
            stmt->label = label;
            stmt->expr = expr;
            if (flag2)
                stmt->flags = stmt->flags | StmtFlag_4;
            return;
        }
    }

    tmplabel = newlabel();
    makeifstatement(expr, label, tmplabel, flag1, flag2);
    tmplabel->stmt = CFunc_AppendStatement(ST_LABEL);
    tmplabel->stmt->label = tmplabel;
}

Statement *CFunc_GenerateLoop(Statement *stmt, Type *type, ENode *lowerBound, ENode *upperBound, ENode *increment1, ENode *increment2, ENode *(*callback)(ENode *, ENode *)) {
    ENode *var1;
    ENode *var2;
    CLabel *label;
    ENode *ind;
    ENode *ind2;
    Statement *s;

    var1 = CExpr_NewETEMPNode(type, 1);
    ind = lalloc(sizeof(ENode));
    *ind = *var1;
    ind = makemonadicnode(ind, EINDIRECT);
    ind->rtype = type;

    // initialise var1 to lowerBound
    if (stmt) {
        stmt = CFunc_InsertStatement(ST_EXPRESSION, stmt);
        s = stmt;
    } else {
        s = CFunc_AppendStatement(ST_EXPRESSION);
    }
    s->expr = makediadicnode(ind, lowerBound, EASS);

    if (increment2) {
        var2 = CExpr_NewETEMPNode(type, 1);
        ind = lalloc(sizeof(ENode));
        *ind = *var2;
        ind = makemonadicnode(ind, EINDIRECT);
        ind->rtype = type;

        // initialise var2 to upperBound
        if (stmt) {
            stmt = CFunc_InsertStatement(ST_EXPRESSION, stmt);
            s = stmt;
        } else {
            s = CFunc_AppendStatement(ST_EXPRESSION);
        }
        s->expr = makediadicnode(ind, upperBound, EASS);
    }

    // label for loop body
    label = newlabel();
    if (stmt) {
        stmt = CFunc_InsertStatement(ST_LABEL, stmt);
        s = stmt;
    } else {
        s = CFunc_AppendStatement(ST_LABEL);
    }
    s->label = label;
    label->stmt = s;

    if (callback) {
        ind = lalloc(sizeof(ENode));
        *ind = *var1;
        ind = makemonadicnode(ind, EINDIRECT);
        ind->rtype = type;

        if (increment2) {
            ind2 = lalloc(sizeof(ENode));
            *ind2 = *var2;
            ind2 = makemonadicnode(ind2, EINDIRECT);
            ind2->rtype = type;
        } else {
            ind2 = NULL;
        }

        // generate a loop body
        if ((ind = callback(ind, ind2))) {
            if (stmt) {
                stmt = CFunc_InsertStatement(ST_EXPRESSION, stmt);
                s = stmt;
            } else {
                s = CFunc_AppendStatement(ST_EXPRESSION);
            }
            s->expr = ind;
        }
    }

    if (increment1) {
        ind = lalloc(sizeof(ENode));
        *ind = *var1;
        ind = makemonadicnode(ind, EINDIRECT);
        ind->rtype = type;

        // add increment1 to var1
        if (stmt) {
            stmt = CFunc_InsertStatement(ST_EXPRESSION, stmt);
            s = stmt;
        } else {
            s = CFunc_AppendStatement(ST_EXPRESSION);
        }
        s->expr = makediadicnode(ind, increment1, EADDASS);

        if (increment2) {
            ind = lalloc(sizeof(ENode));
            *ind = *var2;
            ind = makemonadicnode(ind, EINDIRECT);
            ind->rtype = type;

            // add increment2 to var2
            if (stmt) {
                stmt = CFunc_InsertStatement(ST_EXPRESSION, stmt);
                s = stmt;
            } else {
                s = CFunc_AppendStatement(ST_EXPRESSION);
            }
            s->expr = makediadicnode(ind, increment2, EADDASS);
        }
    }

    ind = lalloc(sizeof(ENode));
    *ind = *var1;
    ind = makemonadicnode(ind, EINDIRECT);
    ind->rtype = type;

    // loop if var1 < upperBound
    if (stmt) {
        stmt = CFunc_InsertStatement(ST_IFGOTO, stmt);
        s = stmt;
    } else {
        s = CFunc_AppendStatement(ST_IFGOTO);
    }
    s->expr = makediadicnode(ind, upperBound, ELESS);
    s->expr->rtype = TYPE(&stbool);
    s->label = label;
    s->flags = StmtFlag_4;

    return stmt;
}

static Boolean checklabel(void) {
    HashNameNode *savename;
    short savesize;
    short token;

    savename = tkidentifier;
    savesize = tksize;
    token = lookahead();
    tkidentifier = savename;
    tksize = savesize;

    return token == ':';
}

static ENode *returnstatementadjust(ENode *expr, Type *type, UInt32 qual) {
    Object *object;
    ENode *expr2;
    ENode *objexpr;
    ObjectList *list;
    ENodeList *exprlist;

    for (list = arguments; list; list = list->next) {
        if (list->object->name == temp_argument_name)
            break;
    }

    CError_ASSERT(1907, list);

    object = list->object;
    if ((expr2 = CExpr_IsTempConstruction(expr, type, &objexpr)) && ENODE_IS(objexpr, ETEMP)) {
        *objexpr = *create_objectnode(object);
        return expr2;
    }

    if (IS_TYPE_CLASS(type)) {
        expr2 = create_objectnode(object);
        exprlist = lalloc(sizeof(ENodeList));
        exprlist->next = NULL;
        exprlist->node = expr;
        return CExpr_ConstructObject(TYPE_CLASS(type), expr2, exprlist, 1, 1, 0, 1, 0);
    }

    expr2 = create_objectnode(object);
    expr2 = makemonadicnode(expr2, EINDIRECT);
    expr2->rtype = type;

    return makediadicnode(expr2, CExpr_AssignmentPromotion(expr, type, qual, 1), EASS);
}

static void CFunc_AutoResultCheck(ENode *expr) {
    while (1) {
        while (ENODE_IS(expr, ECOMMA))
            expr = expr->data.diadic.right;

        switch (expr->type) {
            case EOBJREF:
                if (expr->data.objref->datatype != DLOCAL)
                    break;
            case ETEMP:
                CError_Warning(CErrorStr326);
                break;
            case EADD:
            case ESUB:
                CFunc_AutoResultCheck(expr->data.diadic.left);
                expr = expr->data.diadic.right;
                continue;
            default:
                break;
        }
        break;
    }
}

static void statement(DeclThing *thing) {
    Statement *stmt;
    Statement *stmt2;
    CLabel *label;
    DeclBlock *block;
    ENode *expr;
    HashNameNode *name;
    DeclThing subthing;

    CPrep_GetFileOffsetInfo2(&cparser_fileoffset, &sourceoffset, &sourcefilepath);

    switch (tk) {
        case TK_RETURN:
            tk = lex();
            if (
                (thing->thetype == &stvoid && !copts.cplusplus) ||
                CClass_IsConstructor(cscope_currentfunc) ||
                CClass_IsDestructor(cscope_currentfunc)
                )
            {
                if (tk != ';') {
                    CError_Error(CErrorStr315);
                    expression();
                }

                stmt = CFunc_AppendStatement(ST_RETURN);
                stmt->expr = NULL;
                CError_ResetErrorSkip();
                tk = lex();
                return;
            }

            if (tk == ';') {
                if (thing->thetype != &stvoid && (copts.pedantic || copts.cplusplus))
                    CError_Warning(CErrorStr184);

                stmt = CFunc_AppendStatement(ST_RETURN);
                stmt->expr = NULL;
                CError_ResetErrorSkip();
                tk = lex();
                return;
            }

            if (copts.old_argmatch)
                expr = expression();
            else
                expr = s_expression();

            if (thing->thetype == &stvoid) {
                if (expr->rtype != &stvoid)
                    CError_Error(CErrorStr315);

                stmt = CFunc_AppendStatement(ST_EXPRESSION);
                stmt->expr = expr;

                stmt = CFunc_AppendStatement(ST_RETURN);
                stmt->expr = NULL;
            } else {
                if (CMach_GetFunctionResultClass(TYPE_FUNC(cscope_currentfunc->type)) == 1)
                    expr = returnstatementadjust(expr, thing->thetype, thing->qual);
                else
                    expr = CExpr_AssignmentPromotion(expr, thing->thetype, thing->qual, 1);

                stmt = CFunc_AppendStatement(ST_RETURN);
                stmt->expr = expr;

                if (IS_TYPE_POINTER_ONLY(thing->thetype))
                    CFunc_AutoResultCheck(expr);
            }

            break;

        case TK_CASE:
            scancase(thing);
            return;

        case TK_DEFAULT:
            if (!thing->switchinfo) {
                CError_Error(CErrorStr169);
                return;
            }

            if (lex() != ':')
                CError_ErrorSkip(CErrorStr170);
            else
                tk = lex();

            if (thing->switchinfo->defaultlabel)
                CError_ErrorSkip(CErrorStr173);

            stmt = CFunc_AppendStatement(ST_LABEL);
            stmt->label = newlabel();
            stmt->label->stmt = stmt;
            thing->switchinfo->defaultlabel = stmt->label;
            statement(thing);
            return;

        case TK_SWITCH:
            if (lex() != '(')
                CError_ErrorSkip(CErrorStr114);
            else
                tk = lex();

            if (copts.cplusplus && !copts.ARMscoping && isdeclaration(1, 0, 0, '=')) {
                block = CFunc_NewDeclBlock();
                expr = CFunc_ParseLocalDeclarationList(0, 1, 0, 0);
                if (CScope_IsEmptyNameSpace(cscope_current)) {
                    CFunc_RestoreBlock(block);
                    block = NULL;
                }
            } else {
                expr = expression();
                block = NULL;
            }

            stmt = CFunc_AppendStatement(ST_SWITCH);
            stmt->expr = CExpr_ConvertToIntegral(expr);

            if (tk != ')')
                CError_ErrorSkip(CErrorStr115);
            else
                tk = lex();

            stmt->label = (CLabel *) lalloc(sizeof(SwitchInfo));
            ((SwitchInfo *) stmt->label)->defaultlabel = NULL;
            ((SwitchInfo *) stmt->label)->cases = NULL;
            ((SwitchInfo *) stmt->label)->x8 = stmt->expr->rtype;

            label = newlabel();
            subthing = *thing;
            subthing.loopBreak = label;
            subthing.switchinfo = (SwitchInfo *) stmt->label;
            CFunc_CompoundStatement(&subthing);

            if (!subthing.switchinfo->defaultlabel)
                subthing.switchinfo->defaultlabel = label;

            if (!subthing.switchinfo->cases) {
                stmt->type = ST_EXPRESSION;
                stmt2 = lalloc(sizeof(Statement));
                *stmt2 = *stmt;
                stmt->next = stmt2;
                stmt2->type = ST_GOTO;
                stmt2->label = subthing.switchinfo->defaultlabel;
                stmt2->dobjstack = cexcept_dobjstack;
            }

            stmt = CFunc_AppendStatement(ST_LABEL);
            stmt->label = label;
            label->stmt = stmt;

            if (block)
                CFunc_RestoreBlock(block);
            return;

        case TK_GOTO:
            if ((tk = lex()) != TK_IDENTIFIER) {
                if (tk == '*' && !copts.ANSIstrict) {
                    tk = lex();
                    stmt = CFunc_AppendStatement(ST_GOTOEXPR);
                    stmt->expr = expression();
                    if (!IS_TYPE_POINTER_ONLY(stmt->expr->rtype)) {
                        CError_Error(CErrorStr146);
                        stmt->expr = nullnode();
                        stmt->expr->rtype = TYPE(&void_ptr);
                    }
                } else {
                    CError_Error(CErrorStr107);
                    return;
                }
            } else {
                stmt = CFunc_AppendStatement(ST_GOTO);
                if (!(stmt->label = findlabel())) {
                    stmt->label = newlabel();
                    stmt->label->next = Labels;
                    Labels = stmt->label;
                    stmt->label->name = tkidentifier;
                }
                tk = lex();
            }
            break;

        case TK_BREAK:
            if (thing->loopBreak) {
                stmt = CFunc_AppendStatement(ST_GOTO);
                stmt->label = thing->loopBreak;
            } else {
                CError_Error(CErrorStr169);
            }
            tk = lex();
            break;

        case TK_CONTINUE:
            if (thing->loopContinue) {
                stmt = CFunc_AppendStatement(ST_GOTO);
                stmt->label = thing->loopContinue;
            } else {
                CError_Error(CErrorStr169);
            }
            tk = lex();
            break;

        case TK_FOR: {
            CLabel *forLabel1;
            CLabel *forLabel2;
            CLabel *forLabel3;
            ENode *forCond;
            ENode *forInc;

            if (lex() != '(')
                CError_ErrorSkip(CErrorStr114);
            else
                tk = lex();

            block = NULL;
            if (tk != ';') {
                if (!copts.cplusplus || !isdeclaration(1, 0, 0, 0)) {
                    expr = expression();
                    CExpr_CheckUnusedExpression(expr);
                } else {
                    if (!copts.ARMscoping)
                        block = CFunc_NewDeclBlock();
                    expr = CFunc_ParseLocalDeclarationList(0, 1, 1, 0);
                    if (block && CScope_IsEmptyNameSpace(cscope_current)) {
                        CFunc_RestoreBlock(block);
                        block = NULL;
                    }
                }

                if (expr) {
                    stmt = CFunc_AppendStatement(ST_EXPRESSION);
                    stmt->expr = expr;
                }

                if (tk == ';')
                    CError_ResetErrorSkip();
                else
                    CError_Error(CErrorStr123);
            } else {
                CError_ResetErrorSkip();
            }

            if ((tk = lex()) != ';') {
                if (copts.cplusplus && !copts.ARMscoping && isdeclaration(1, 0, 0, '=')) {
                    if (!block)
                        block = CFunc_NewDeclBlock();
                    expr = CFunc_ParseLocalDeclarationList(0, 1, 0, 0);
                    if (CScope_IsEmptyNameSpace(cscope_current)) {
                        CFunc_RestoreBlock(block);
                        block = NULL;
                    }
                } else {
                    expr = expression();
                    CExpr_CheckUnwantedAssignment(expr);
                }

                forCond = CExpr_ConvertToCondition(expr);

                if (tk == ';')
                    CError_ResetErrorSkip();
                else
                    CError_Error(CErrorStr123);
            } else {
                CError_ResetErrorSkip();
                forCond = NULL;
            }

            if ((tk = lex()) != ')') {
                forInc = expression();
                CExpr_CheckUnusedExpression(forInc);
                if (tk == ')')
                    CError_ResetErrorSkip();
                else
                    CError_Error(CErrorStr115);
            } else {
                CError_ResetErrorSkip();
                forInc = NULL;
            }

            if (copts.warn_possunwant) {
                spaceskip = 0;
                if ((tk = lex()) == ';' && !spaceskip)
                    CError_Warning(CErrorStr206);
            } else {
                tk = lex();
            }

            if (forCond) {
                stmt = CFunc_AppendStatement(ST_GOTO);
                label = newlabel();
                stmt->label = label;
            } else {
                label = newlabel();
            }

            CFunc_LoopIncrement();

            stmt = CFunc_AppendStatement(ST_LABEL);
            forLabel1 = stmt->label = newlabel();
            forLabel1->stmt = stmt;

            forLabel2 = newlabel();
            forLabel3 = newlabel();

            subthing = *thing;
            subthing.loopContinue = forLabel3;
            subthing.loopBreak = forLabel2;

            if (tk != '{') {
                DeclBlock *b = CFunc_NewDeclBlock();
                CFunc_CompoundStatement(&subthing);
                CFunc_RestoreBlock(b);
            } else {
                CFunc_CompoundStatement(&subthing);
            }

            stmt = CFunc_AppendStatement(ST_LABEL);
            stmt->label = forLabel3;
            forLabel3->stmt = stmt;

            if (forInc) {
                stmt = CFunc_AppendStatement(ST_EXPRESSION);
                stmt->expr = forInc;
            }

            stmt = CFunc_AppendStatement(ST_LABEL);
            stmt->label = label;
            label->stmt = stmt;

            ifstatement(1, forCond, forLabel1, 1);
            CFunc_LoopDecrement();

            stmt = CFunc_AppendStatement(ST_LABEL);
            stmt->label = forLabel2;
            forLabel2->stmt = stmt;

            if (block)
                CFunc_RestoreBlock(block);

            return;
        }

        case TK_DO: {
            CLabel *label1;
            CLabel *label2;
            CLabel *label3;

            CFunc_LoopIncrement();
            stmt = CFunc_AppendStatement(ST_LABEL);
            label1 = stmt->label = newlabel();
            label1->stmt = stmt;

            label2 = newlabel();
            label3 = newlabel();

            subthing = *thing;
            subthing.loopContinue = label2;
            subthing.loopBreak = label3;

            tk = lex();
            CFunc_CompoundStatement(&subthing);

            stmt = CFunc_AppendStatement(ST_LABEL);
            stmt->label = label2;
            label2->stmt = stmt;

            if (tk != TK_WHILE)
                CError_Error(CErrorStr105);

            if (lex() != '(')
                CError_ErrorSkip(CErrorStr114);
            else
                tk = lex();

            expr = CExpr_ConvertToCondition(expression());
            CExpr_CheckUnwantedAssignment(expr);

            if (tk != ')')
                CError_ErrorSkip(CErrorStr115);
            else
                tk = lex();

            ifstatement(1, expr, label1, 1);

            CFunc_LoopDecrement();

            stmt = CFunc_AppendStatement(ST_LABEL);
            stmt->label = label3;
            label3->stmt = stmt;
            break;
        }

        case TK_WHILE: {
            CLabel *label1;
            CLabel *label2;
            CLabel *label3;

            if ((tk = lex()) != '(')
                CError_ErrorSkip(CErrorStr114);
            else
                tk = lex();

            if (copts.cplusplus && !copts.ARMscoping && isdeclaration(1, 0, 0, '=')) {
                block = CFunc_NewDeclBlock();
                expr = CFunc_ParseLocalDeclarationList(0, 1, 0, 0);
                if (CScope_IsEmptyNameSpace(cscope_current)) {
                    CFunc_RestoreBlock(block);
                    block = NULL;
                }
            } else {
                expr = expression();
                block = NULL;
                CExpr_CheckUnwantedAssignment(expr);
            }
            expr = CExpr_ConvertToCondition(expr);

            if (tk != ')') {
                CError_ErrorSkip(CErrorStr115);
            } else {
                if (copts.warn_possunwant) {
                    spaceskip = 0;
                    if ((tk = lex()) == ';' && !spaceskip)
                        CError_Warning(CErrorStr206);
                } else {
                    tk = lex();
                }
            }

            stmt = CFunc_AppendStatement(ST_GOTO);
            label1 = newlabel();
            stmt->label = label1;

            CFunc_LoopIncrement();

            stmt = CFunc_AppendStatement(ST_LABEL);
            label2 = stmt->label = newlabel();
            label2->stmt = stmt;

            label3 = newlabel();

            subthing = *thing;
            subthing.loopContinue = label1;
            subthing.loopBreak = label3;

            CFunc_CompoundStatement(&subthing);

            stmt = CFunc_AppendStatement(ST_LABEL);
            stmt->label = label1;
            label1->stmt = stmt;

            ifstatement(1, expr, label2, 1);

            CFunc_LoopDecrement();

            stmt = CFunc_AppendStatement(ST_LABEL);
            stmt->label = label3;
            label3->stmt = stmt;

            if (block)
                CFunc_RestoreBlock(block);
            return;
        }

        case TK_IF: {
            CLabel *label1;
            if ((tk = lex()) != '(')
                CError_ErrorSkip(CErrorStr114);
            else
                tk = lex();

            if (copts.cplusplus && !copts.ARMscoping && isdeclaration(1, 0, 0, '=')) {
                block = CFunc_NewDeclBlock();
                expr = CFunc_ParseLocalDeclarationList(0, 1, 0, 0);
                if (CScope_IsEmptyNameSpace(cscope_current)) {
                    CFunc_RestoreBlock(block);
                    block = NULL;
                }
            } else {
                expr = expression();
                block = NULL;
                CExpr_CheckUnwantedAssignment(expr);
            }

            expr = CExpr_ConvertToCondition(expr);

            label1 = newlabel();
            ifstatement(0, expr, label1, 0);

            if (tk != ')') {
                CError_ErrorSkip(CErrorStr115);
            } else {
                if (copts.warn_possunwant) {
                    spaceskip = 0;
                    if ((tk = lex()) == ';' && !spaceskip)
                        CError_Warning(CErrorStr206);
                } else {
                    tk = lex();
                }
            }

            CFunc_CompoundStatement(thing);

            if (tk == TK_ELSE) {
                if (copts.warn_possunwant) {
                    spaceskip = 0;
                    if ((tk = lex()) == ';' && !spaceskip)
                        CError_Warning(CErrorStr206);
                } else {
                    tk = lex();
                }

                stmt = CFunc_AppendStatement(ST_GOTO);
                label = stmt->label = newlabel();

                stmt = CFunc_AppendStatement(ST_LABEL);
                stmt->label = label1;
                label1->stmt = stmt;

                CFunc_CompoundStatement(thing);

                label1 = label;
            }

            stmt = CFunc_AppendStatement(ST_LABEL);
            stmt->label = label1;
            label1->stmt = stmt;

            if (block)
                CFunc_RestoreBlock(block);

            return;
        }

        case '{':
            CFunc_CompoundStatement(thing);
            return;

        case TK_ASM:
            if (copts.cplusplus || !copts.ANSIstrict) {
                tk = lex();
                volatileasm = 0;

                if (tk == TK_VOLATILE || (tk == TK_IDENTIFIER && !strcmp(tkidentifier->name, "__volatile__"))) {
                    tk = lex();
                    volatileasm = 1;
                }

                if (tk == '(') {
                    InlineAsm_Assemble();
                    if (tk == ')') {
                        tk = lex();
                        break;
                    } else {
                        CError_Error(CErrorStr115);
                        return;
                    }
                }

                if (tk == '{') {
                    InlineAsm_Assemble();
                    if (tk != '}') {
                        CError_Error(CErrorStr130);
                        return;
                    }
                    if ((tk = lex()) == ';')
                        tk = lex();
                    CError_ResetErrorSkip();
                    return;
                }

                CError_Error(CErrorStr114);
            } else {
                CError_Error(CErrorStr121);
            }
            return;

        case TK_TRY:
            tk = lex();
            CExcept_ScanTryBlock(thing, 0);
            return;

        case TK_USING:
            if ((tk = lex()) == TK_NAMESPACE) {
                tk = lex();
                CScope_ParseUsingDirective(cscope_current);
            } else {
                CScope_ParseUsingDeclaration(cscope_current, 0, 0);
            }
            return;

        case TK_NAMESPACE:
            if ((tk = lex()) != TK_IDENTIFIER) {
                CError_Error(CErrorStr107);
                return;
            }
            name = tkidentifier;
            if ((tk = lex()) != '=') {
                CError_Error(CErrorStr121);
                return;
            }

            CScope_ParseNameSpaceAlias(name);
            break;

        case ';':
            break;

        case TK_IDENTIFIER:
            if (checklabel()) {
                stmt = CFunc_AppendStatement(ST_LABEL);
                if ((stmt->label = findlabel())) {
                    if (stmt->label->stmt)
                        CError_Error(CErrorStr171, tkidentifier->name);
                } else {
                    stmt->label = newlabel();
                    stmt->label->next = Labels;
                    Labels = stmt->label;
                    stmt->label->name = tkidentifier;
                }

                stmt->label->stmt = stmt;
                tk = lex();
                tk = lex();
                statement(thing);
                return;
            }
            tk = TK_IDENTIFIER;

        default:
            if (copts.cplusplus && isdeclaration(1, 0, 0, 0)) {
                CFunc_ParseLocalDeclarationList(0, 0, 0, 1);
                tk = lex();
                return;
            }

            stmt = CFunc_AppendStatement(ST_EXPRESSION);
            stmt->expr = expression();
            CExpr_CheckUnusedExpression(stmt->expr);
    }

    if (tk == ';') {
        CPrep_TokenStreamFlush();
        tk = lex();
        CError_ResetErrorSkip();
    } else {
        CError_ErrorSkip(CErrorStr123);
    }
}

void CFunc_CompoundStatement(DeclThing *thing) {
    DeclBlock *block;

    block = CFunc_NewDeclBlock();

    if (tk == '{') {
        tk = lex();
        if (!copts.cplusplus && isdeclaration(0, 0, 0, 0))
            CFunc_ParseLocalDeclarationList(0, 0, 0, 0);

        while (tk != '}')
            statement(thing);

        CPrep_GetFileOffsetInfo2(&cparser_fileoffset, &sourceoffset, &sourcefilepath);
        tk = lex();
    } else {
        statement(thing);
    }

    CFunc_RestoreBlock(block);
}

static void CFunc_InsertArgumentCopyConversion(Object *obj, Type *type1, Type *type2, Boolean flag) {
    Object *newobj;
    Statement *stmt;
    ENode *expr;
    NameSpaceObjectList *nsol;
    ObjectList *list;

    newobj = lalloc(sizeof(Object));
    *newobj = *obj;
    newobj->type = type2;

    CFunc_SetupLocalVarInfo(newobj);

    obj->name = CParser_GetUniqueName();
    if (flag)
        obj->type = CDecl_NewPointerType(type1);
    else
        obj->type = type1;

    CError_ASSERT(2527, (nsol = CScope_FindName(cscope_current, newobj->name)) && nsol->object == OBJ_BASE(obj));
    nsol->object = OBJ_BASE(newobj);

    list = lalloc(sizeof(ObjectList));
    list->object = newobj;
    list->next = locals;
    locals = list;

    stmt = CFunc_AppendStatement(ST_EXPRESSION);
    expr = create_objectnode(obj);
    if (flag) {
        expr->rtype = CDecl_NewPointerType(type1);
        expr = makemonadicnode(expr, EINDIRECT);
    }
    expr->rtype = type1;

    if (type1 != type2)
        expr = promote(expr, type2);

    stmt->expr = makediadicnode(create_objectnode(newobj), expr, EASS);
}

static void CFunc_AdjustOldStyleArgs(void) {
    ObjectList *list;

    for (list = arguments; list; list = list->next) {
        if (IS_TYPE_FLOAT(list->object->type) && list->object->type->size < stdouble.size)
            CFunc_InsertArgumentCopyConversion(list->object, TYPE(&stdouble), list->object->type, 0);
    }
}

void CFunc_SetupNewFuncArgs(Object *func, FuncArg *args) {
    Object *obj;
    ObjectList *newlist;

    arguments = NULL;

    if (args != &elipsis && args != &oldstyle) {
        newlist = NULL;

        while (args && args != &elipsis) {
            IsCompleteType(args->type);

            obj = CParser_NewLocalDataObject(NULL, 0);
            obj->name = !args->name ? no_name_node : args->name;
            obj->type = args->type;
            obj->qual = args->qual;
            obj->sclass = args->sclass;

            CFunc_SetupLocalVarInfo(obj);

            if (IS_TYPE_CLASS(obj->type) && CClass_ReferenceArgument(TYPE_CLASS(obj->type))) {
                obj->type = CDecl_NewPointerType(obj->type);
                TPTR_QUAL(obj->type) = Q_REFERENCE | Q_RESTRICT;
            }

            if (obj->name == no_name_node && copts.ANSIstrict && !copts.cplusplus && !(func->qual & Q_MANGLE_NAME))
                CError_Error(CErrorStr127);

            if (newlist) {
                newlist->next = lalloc(sizeof(ObjectList));
                newlist = newlist->next;
            } else {
                newlist = lalloc(sizeof(ObjectList));
                arguments = newlist;
            }

            newlist->next = NULL;
            newlist->object = obj;

            args = args->next;
        }
    }
}

static ObjectList *CFunc_CopyObjectList(const FuncArg *args) {
    Object *obj;
    ObjectList *list;
    ObjectList *last;

    list = NULL;

    while (args) {
        if (list) {
            last->next = lalloc(sizeof(ObjectList));
            last = last->next;
        } else {
            last = lalloc(sizeof(ObjectList));
            list = last;
        }

        obj = CParser_NewLocalDataObject(NULL, 0);
        obj->name = args->name;
        obj->type = args->type;
        obj->qual = args->qual;
        obj->sclass = args->sclass;
        CFunc_SetupLocalVarInfo(obj);

        last->object = obj;
        last->next = NULL;

        args = args->next;
    }

    return list;
}

static void SetupFunctionArguments(Object *func, DeclInfo *di, Statement *firstStmt) {
    ObjectList *list;
    Object *resultobj;
    Object *obj;
    Type *type;
    DeclInfo my_di;

    if (TYPE_FUNC(func->type)->args) {
        if (di->x45) {
            arguments = CFunc_CopyObjectList(di->x18);
            while (1) {
                if (tk == '{')
                    break;

                memclrw(&my_di, sizeof(my_di));
                CParser_GetDeclSpecs(&my_di, 0);

                type = my_di.thetype;
                if (my_di.storageclass && my_di.storageclass != TK_REGISTER)
                    CError_Error(CErrorStr127);

                while (1) {
                    my_di.thetype = type;
                    my_di.name = NULL;
                    scandeclarator(&my_di);
                    if (!my_di.name) {
                        CError_Error(CErrorStr107);
                        break;
                    }

                    adjustargumenttype(&my_di);
                    IsCompleteType(my_di.thetype);

                    if ((obj = CFunc_IsInObjList(arguments, my_di.name))) {
                        if (obj->type)
                            CError_Error(CErrorStr333, obj);
                        obj->type = my_di.thetype;
                        obj->sclass = my_di.storageclass;
                        obj->qual = my_di.qual;
                    } else {
                        CError_Error(CErrorStr127);
                    }

                    if (tk != ',')
                        break;
                    tk = lex();
                }

                if (tk != ';')
                    CError_ErrorSkip(CErrorStr123);
                else
                    tk = lex();
            }

            for (list = arguments; list; list = list->next) {
                if (!list->object->type)
                    list->object->type = TYPE(&stsignedint);
            }
        } else {
            CFunc_SetupNewFuncArgs(func, TYPE_FUNC(func->type)->args);
        }
    }

    if (CMach_GetFunctionResultClass(TYPE_FUNC(func->type)) == 1) {
        resultobj = CParser_NewLocalDataObject(NULL, 0);
        resultobj->name = temp_argument_name;
        resultobj->type = CDecl_NewPointerType(TYPE_FUNC(func->type)->functype);
        CFunc_SetupLocalVarInfo(resultobj);

        list = lalloc(sizeof(ObjectList));
        list->object = resultobj;
        if (CABI_GetStructResultArgumentIndex(TYPE_FUNC(func->type))) {
            CError_ASSERT(2797, arguments);
            list->next = arguments->next;
            arguments->next = list;
        } else {
            list->next = arguments;
            arguments = list;
        }
    }

    for (list = arguments; list; list = list->next) {
        NameSpaceObjectList *nsol = CScope_InsertName(cscope_current, list->object->name);
        nsol->object = OBJ_BASE(list->object);
    }
}

NameSpace *CFunc_FuncGenSetup(Statement *stmt, Object *func) {
    NameSpace *nspace;
    DeclBlock *block;

    nspace = CScope_NewListNameSpace(NULL, 0);
    nspace->parent = cscope_current;
    cscope_current = nspace;

    arguments = NULL;
    locals = NULL;
    Labels = NULL;

    localcount = 0;
    cfunc_staticvarcount = 0;

    CExcept_Setup();

    memclrw(stmt, sizeof(Statement));
    curstmt = stmt;
    stmt->type = ST_NOP;
    curstmtvalue = 1;
    stmt->value = 1;

    blockcount = 0;
    block = lalloc(sizeof(DeclBlock));
    memclrw(block, sizeof(DeclBlock));
    block->index = blockcount++;
    block->parent_nspace = cscope_current;

    firstblock = block;
    currentblock = block;

    return nspace;
}

CFuncSave *CFunc_GetGlobalCompilerState(void) {
    CFuncSave *state;

    if (!cscope_currentfunc && !cscope_currentclass && cscope_current == cscope_root)
        return NULL;

    locklheap();
    state = lalloc(sizeof(CFuncSave));

    CScope_SetNameSpaceScope(cscope_root, &state->scope);

    state->arguments = arguments;
    arguments = NULL;

    state->locals = locals;
    locals = NULL;

    state->labels = Labels;
    Labels = NULL;

    state->curstmt = curstmt;
    curstmt = NULL;

    state->firstblock = firstblock;
    firstblock = NULL;

    state->currentblock = currentblock;
    currentblock = NULL;

    state->cexcept_dobjstack = cexcept_dobjstack;
    cexcept_dobjstack = NULL;

    state->sinit_label = sinit_label;
    sinit_label = NULL;

    state->ainit_expr = ainit_expr;
    ainit_expr = NULL;

    state->ctor_chain = ctor_chain;
    ctor_chain = NULL;

    state->cinit_tempnodefunc = cinit_tempnodefunc;
    cinit_tempnodefunc = NULL;

    state->trychain = trychain;
    trychain = NULL;

    state->cparser_fileoffset = cparser_fileoffset;
    state->symdecltoken = symdecltoken;

    state->functionbodyoffset = functionbodyoffset;
    functionbodyoffset = 0;

    state->functionbodypath = functionbodypath;
    functionbodypath = NULL;

    state->symdecloffset = symdecloffset;
    symdecloffset = 0;

    state->symdeclend = symdeclend;

    state->sourceoffset = sourceoffset;
    sourceoffset = 0;

    state->sourcefilepath = sourcefilepath;
    sourcefilepath = NULL;

    state->curstmtvalue = curstmtvalue;
    curstmtvalue = 0;

    state->name_obj_check = name_obj_check;
    name_obj_check = NULL;

    state->check_arglist = check_arglist;
    check_arglist = NULL;

    state->blockcount = blockcount;
    blockcount = 0;

    state->localcount = localcount;
    localcount = 0;

    state->tk = tk;
    state->tkidentifier = tkidentifier;

    state->global_access = global_access;

    state->cexcept_hasdobjects = cexcept_hasdobjects;
    cexcept_hasdobjects = 0;

    state->sinit_first_object = sinit_first_object;
    sinit_first_object = NULL;

    state->ainit_only_one = ainit_only_one;
    ainit_only_one = 0;

    state->cfunc_is_extern_c = cfunc_is_extern_c;
    cfunc_is_extern_c = 0;

    state->temp_reference_init = temp_reference_init;

    return state;
}

void CFunc_SetGlobalCompilerState(CFuncSave *state) {
    if (state) {
        CScope_RestoreScope(&state->scope);

        arguments = state->arguments;
        locals = state->locals;
        Labels = state->labels;
        curstmt = state->curstmt;
        firstblock = state->firstblock;
        currentblock = state->currentblock;
        cexcept_dobjstack = state->cexcept_dobjstack;
        sinit_label = state->sinit_label;
        ainit_expr = state->ainit_expr;
        ctor_chain = state->ctor_chain;
        cinit_tempnodefunc = state->cinit_tempnodefunc;
        trychain = state->trychain;
        name_obj_check = state->name_obj_check;
        check_arglist = state->check_arglist;
        curstmtvalue = state->curstmtvalue;
        cparser_fileoffset = state->cparser_fileoffset;
        symdecltoken = state->symdecltoken;
        functionbodyoffset = state->functionbodyoffset;
        functionbodypath = state->functionbodypath;
        symdecloffset = state->symdecloffset;
        symdeclend = state->symdeclend;
        sourceoffset = state->sourceoffset;
        sourcefilepath = state->sourcefilepath;
        blockcount = state->blockcount;
        tk = state->tk;
        tkidentifier = state->tkidentifier;
        global_access = state->global_access;
        localcount = state->localcount;
        cexcept_hasdobjects = state->cexcept_hasdobjects;
        sinit_first_object = state->sinit_first_object;
        ainit_only_one = state->ainit_only_one;
        cfunc_is_extern_c = state->cfunc_is_extern_c;
        temp_reference_init = state->temp_reference_init;

        unlocklheap();
    }
}

void CFunc_Gen(Statement *stmt, Object *func, UInt8 unk) {
    Boolean flag;
    CI_FuncData packed;

    if ((TYPE_FUNC(func->type)->flags & FUNC_FLAGS_400000) && !anyerrors) {
        CInline_PackIFunctionData(&packed, stmt, func);
        flag = 1;
    } else {
        flag = 0;
    }

    CInline_GenFunc(stmt, func, unk);

    if (flag)
        CClass_DefineCovariantFuncs(func, &packed);
}

static void CFunc_CheckCtorInitializer(TypeClass *tclass, CtorChain *chain) {
    ObjMemberVar *ivar;
    CtorChain *scan;

    if (tclass->mode != CLASS_MODE_UNION) {
        for (ivar = tclass->ivars; ivar; ivar = ivar->next) {
            if (IS_TYPE_REFERENCE(ivar->type)) {
                for (scan = chain; scan; scan = scan->next) {
                    if (scan->what == CtorChain_MemberVar && scan->u.membervar == ivar)
                        break;
                }

                if (!scan)
                    CError_Error(CErrorStr256, ivar->name->name);
            } else if (CParser_IsConst(ivar->type, ivar->qual)) {
                for (scan = chain; scan; scan = scan->next) {
                    if (scan->what == CtorChain_MemberVar && scan->u.membervar == ivar)
                        break;
                }

                if (!scan && !IS_TYPE_CLASS(ivar->type))
                    CError_Error(CErrorStr255, ivar->name->name);
            }
        }
    }
}

void CFunc_CheckClassCtors(TypeClass *tclass) {
    CFunc_CheckCtorInitializer(tclass, NULL);
}

static void CFunc_ParseCtorInitializer(void) {
    CtorChain *chain;
    ENodeList *args;
    TypeClass *tclass;
    ObjMemberVar *ivar;
    ClassList *base;
    VClassList *vbase;
    ENode *expr;
    Type *origtype;

    ctor_chain = NULL;

    if (tk == ':') {
        do {
            tclass = NULL;
            switch ((tk = lex())) {
                case TK_IDENTIFIER:
                    for (ivar = cscope_currentclass->ivars; ivar; ivar = ivar->next) {
                        if (ivar->name == tkidentifier && lookahead() == '(')
                            goto do_ivar;
                    }
                    for (base = cscope_currentclass->bases; base; base = base->next) {
                        if (base->base->classname == tkidentifier) {
                            if (lookahead() == '(') {
                                tclass = base->base;
                                tk = lex();
                            } else {
                                tkidentifier = base->base->classname;
                            }
                            break;
                        }
                    }
                    break;

                case TK_COLON_COLON:
                    break;

                default:
                    CError_Error(CErrorStr212);
                    return;
            }

            if (!tclass)
                tclass = CClass_GetQualifiedClass();

            if (tclass) {
                for (vbase = cscope_currentclass->vbases; vbase; vbase = vbase->next) {
                    if (vbase->base == tclass)
                        break;
                }

                if (vbase) {
                    for (chain = ctor_chain; chain; chain = chain->next) {
                        if (chain->what == CtorChain_VBase && chain->u.vbase == vbase) {
                            CError_Error(CErrorStr212);
                            return;
                        }
                    }

                    chain = lalloc(sizeof(CtorChain));
                    chain->what = CtorChain_VBase;
                    chain->u.vbase = vbase;
                } else {
                    for (base = cscope_currentclass->bases; base; base = base->next) {
                        if (base->base == tclass)
                            break;
                    }

                    if (base) {
                        for (chain = ctor_chain; chain; chain = chain->next) {
                            if (chain->what == CtorChain_Base && chain->u.base == base) {
                                CError_Error(CErrorStr212);
                                return;
                            }
                        }

                        chain = lalloc(sizeof(CtorChain));
                        chain->what = CtorChain_Base;
                        chain->u.base = base;
                    } else {
                        CError_Error(CErrorStr212);
                        return;
                    }
                }
            } else {
                for (ivar = cscope_currentclass->ivars; ivar; ivar = ivar->next) {
                    if (ivar->name == tkidentifier)
                        break;
                }

                if (ivar) {
                do_ivar:
                    for (chain = ctor_chain; chain; chain = chain->next) {
                        if (chain->what == CtorChain_MemberVar && chain->u.membervar == ivar)
                            CError_Error(CErrorStr212);
                    }

                    chain = lalloc(sizeof(CtorChain));
                    chain->what = CtorChain_MemberVar;
                    chain->u.membervar = ivar;
                } else {
                    CError_Error(CErrorStr212);
                    return;
                }

                tk = lex();
            }

            if (tk != '(') {
                CError_Error(CErrorStr114);
                return;
            }

            tk = lex();
            args = CExpr_ScanExpressionList(1);

            if (tk != ')') {
                CError_Error(CErrorStr115);
                return;
            }

            switch (chain->what) {
                case CtorChain_Base:
                    expr = CABI_MakeThisExpr(NULL, chain->u.base->offset);
                    chain->objexpr = CExpr_ConstructObject(chain->u.base->base, expr, args, 1, 0, 0, 0, 1);
                    break;
                case CtorChain_VBase:
                    expr = CABI_MakeThisExpr(chain->u.vbase->base, chain->u.vbase->offset);
                    chain->objexpr = CExpr_ConstructObject(chain->u.vbase->base, expr, args, 1, 0, 0, 0, 1);
                    break;
                case CtorChain_MemberVar:
                    expr = CABI_MakeThisExpr(cscope_currentclass, chain->u.membervar->offset);
                    expr->flags = chain->u.membervar->qual & ENODE_FLAG_QUALS;
                    switch (chain->u.membervar->type->type) {
                        case TYPECLASS:
                            chain->objexpr = CExpr_ConstructObject(TYPE_CLASS(chain->u.membervar->type), expr, args, 1, 1, 0, 1, 1);
                            break;
                        case TYPEARRAY:
                            if (args) {
                                CError_Error(CErrorStr212);
                                continue;
                            }
                            chain->objexpr = NULL;
                            break;
                        default:
                            if (!args) {
                                args = lalloc(sizeof(ENodeList));
                                args->next = NULL;
                                args->node = CExpr_DoExplicitConversion(chain->u.membervar->type, chain->u.membervar->qual, NULL);
                            }
                            if (args->next) {
                                CError_Error(CErrorStr212);
                                return;
                            }
                            expr = makemonadicnode(expr, EINDIRECT);
                            expr->rtype = chain->u.membervar->type;
                            if (IS_TYPE_BITFIELD(origtype = expr->rtype)) {
                                expr->data.monadic = makemonadicnode(expr->data.monadic, EBITFIELD);
                                expr->data.monadic->rtype = origtype;
                                expr->rtype = TYPE_BITFIELD(origtype)->bitfieldtype;
                            }

                            chain->objexpr = makediadicnode(expr, CExpr_AssignmentPromotion(args->node, expr->rtype, expr->flags, 1), EASS);
                    }
                    break;
                default:
                    CError_FATAL(3286);
            }

            chain->next = ctor_chain;
            ctor_chain = chain;
        } while ((tk = lex()) == ',');
    }
}

static void CFunc_FunctionRedefinedCheck(Object *func) {
    if (TYPE_FUNC(func->type)->flags & FUNC_AUTO_GENERATED)
        CError_Error(CErrorStr333, func);

    if ((TYPE_FUNC(func->type)->flags & FUNC_DEFINED) && func->datatype != DINLINEFUNC)
        CError_Error(CErrorStr333, func);

    TYPE_FUNC(func->type)->flags |= FUNC_DEFINED;
}

static Object *CFunc_DeclareFuncName(char *str, HashNameNode *name) {
    Object *obj;
    Object *aliasobj;
    DeclInfo di;

    memclrw(&di, sizeof(di));
    di.name = name;
    di.storageclass = TK_STATIC;
    di.qual = Q_CONST;
    di.thetype = CDecl_NewArrayType(TYPE(&stchar), strlen(str) + 1);

    obj = CParser_NewGlobalDataObject(&di);
    aliasobj = CParser_NewAliasObject(obj, 0);
    obj->nspace = cscope_root;
    obj->datatype = DDATA;
    CFunc_NameLocalStaticDataObject(obj, obj->name->name);

    return aliasobj;
}

void CFunc_ParseFuncDef(Object *func, DeclInfo *di, TypeClass *tclass, Boolean is_method, Boolean is_static, NameSpace *nspace) {
    Boolean has_try;
    Object *nameobj_func;
    Object *nameobj_FUNCTION;
    Object *nameobj_pretty;
    char *prettyname;
    Statement *stmt18;
    Statement *stmt16;
    Statement firstStmt;
    DeclThing thing;
    CScopeSave scope;

    nameobj_func = NULL;
    nameobj_FUNCTION = NULL;
    nameobj_pretty = NULL;
    prettyname = NULL;

    CError_ASSERT(3373, IS_TYPE_FUNC(func->type));

    CFunc_FunctionRedefinedCheck(func);
    CParser_UpdateObject(func, di);

    if (!is_method) {
        CScope_SetFunctionScope(func, &scope);
        if (tclass)
            cscope_current = tclass->nspace;
    } else {
        CScope_SetMethodScope(func, tclass, is_static, &scope);
    }

    if (nspace)
        cscope_current = nspace;

    if (cscope_currentclass)
        CClass_MemberDef(func, cscope_currentclass);

    cfunc_is_extern_c = di->is_extern_c;

    CError_ASSERT(3392, IS_TYPE_FUNC(func->type));
    if (di->x45 && (func->qual & Q_ASM))
        CError_Error(CErrorStr176);

    if (cparamblkptr->precompile == 1 && !(func->qual & Q_INLINE))
        CError_ErrorTerm(CErrorStr180);

    if (di->x49)
        CError_Error(CErrorStr127);

    CFunc_FuncGenSetup(&firstStmt, func);
    if (!IS_TYPE_VOID(TYPE_FUNC(func->type)->functype))
        IsCompleteType(TYPE_FUNC(func->type)->functype);

    SetupFunctionArguments(func, di, &firstStmt);

    stmt18 = curstmt;
    CPrep_GetFileOffsetInfo2(&cparser_fileoffset, &sourceoffset, &sourcefilepath);
    functionbodyoffset = sourceoffset;
    firstStmt.sourceoffset = sourceoffset;
    functionbodypath = sourcefilepath;
    firstStmt.sourcefilepath = sourcefilepath;

    if (di->x45)
        CFunc_AdjustOldStyleArgs();

    if (di->x1C)
        CScope_MergeNameSpace(cscope_current, di->x1C);

    if (tk == TK_TRY) {
        tk = lex();
        has_try = 1;
    } else {
        has_try = 0;
    }

    if (CClass_IsConstructor(func)) {
        CError_ASSERT(3445, cscope_currentclass);
        CFunc_ParseCtorInitializer();
        CFunc_CheckCtorInitializer(cscope_currentclass, ctor_chain);
    }

    CPrep_TokenStreamFlush();

    if (!(func->qual & Q_ASM)) {
        if (tk == '{') {
            if (!has_try)
                tk = lex();
        } else {
            CError_ErrorSkip(CErrorStr135);
            has_try = 0;
        }

        if (func->name) {
            nameobj_func = CFunc_DeclareFuncName(func->name->name, GetHashNameNode("__func__"));
            nameobj_FUNCTION = CFunc_DeclareFuncName(func->name->name, GetHashNameNode("__FUNCTION__"));
            prettyname = CError_GetObjectName(func);
            nameobj_pretty = CFunc_DeclareFuncName(prettyname, GetHashNameNode("__PRETTY_FUNCTION__"));
        }

        if (!copts.cplusplus)
            CFunc_ParseLocalDeclarationList(0, 0, 0, 0);

        thing.switchinfo = NULL;
        thing.loopContinue = NULL;
        thing.loopBreak = NULL;
        thing.thetype = TYPE_FUNC(func->type)->functype;
        thing.qual = TYPE_FUNC(func->type)->qual;

        if (has_try) {
            CExcept_ScanTryBlock(&thing, CClass_IsConstructor(func) || CClass_IsDestructor(func));
            if (tk != 0)
                CPrep_UnLex();
            tk = '}';
        } else {
            while (tk != '}')
                statement(&thing);
        }

        stmt16 = curstmt;

        if (stmt16->type != ST_RETURN && stmt16->type != ST_GOTO) {
            CPrep_GetFileOffsetInfo2(&cparser_fileoffset, &sourceoffset, &sourcefilepath);
            CFunc_AppendStatement(ST_RETURN);

            curstmt->dobjstack = NULL;
            curstmt->expr = NULL;

            if (
                (copts.cplusplus || copts.c9x) &&
                !strcmp(func->name->name, "main") &&
                TYPE_FUNC(func->type)->functype == TYPE(&stsignedint)
                )
                curstmt->expr = intconstnode(TYPE(&stsignedint), 0);

            if (
                stmt16->type == ST_EXPRESSION &&
                stmt16->expr->type == EFUNCCALL &&
                stmt16->expr->rtype == &stvoid &&
                (stmt16->expr->flags & ENODE_FLAG_VOLATILE)
                )
                curstmt->flags = curstmt->flags | StmtFlag_8;
        }

        CheckCLabels();

        if (nameobj_func && (nameobj_func->flags & OBJECT_USED))
            CInit_DeclareData(nameobj_func->u.alias.object, func->name->name, NULL, strlen(func->name->name) + 1);
        if (nameobj_FUNCTION && (nameobj_FUNCTION->flags & OBJECT_USED))
            CInit_DeclareData(nameobj_FUNCTION->u.alias.object, func->name->name, NULL, strlen(func->name->name) + 1);
        if (nameobj_pretty && (nameobj_pretty->flags & OBJECT_USED))
            CInit_DeclareData(nameobj_pretty->u.alias.object, prettyname, NULL, strlen(prettyname) + 1);

        if (!fatalerrors) {
            if (CClass_IsConstructor(func))
                CABI_TransConstructor(func, stmt18, cscope_currentclass, NULL, has_try);
            if (CClass_IsDestructor(func))
                CABI_TransDestructor(func, func, &firstStmt, cscope_currentclass, 0);

            CFunc_DestructorCleanup(&firstStmt);
            CFunc_CodeCleanup(&firstStmt);
            symdeclend = CPrep_GetFileOffsetInfo(&cparser_fileoffset);
            CFunc_Gen(&firstStmt, func, di->x45);
        }
    } else {
        if (tk == '{') {
            in_assembler = 1;
            tk = lex();
            in_assembler = 0;
        } else {
            CError_ErrorSkip(CErrorStr135);
        }

        CFunc_ParseLocalDeclarationList(1, 0, 0, 0);
        Assembler(func);
    }

    if (tk != '}')
        CError_Error(CErrorStr130);

    CScope_RestoreScope(&scope);
}

void InitExpr_Register(ENode *expr, Object *object) {
    InitExpr *initexpr;
    InitExpr *scan;

    if (
        cparamblkptr->precompile == 1 &&
        object->sclass != TK_STATIC &&
        !(object->qual & (Q_20000 | Q_WEAK))
        )
    {
        CError_Error(CErrorStr180);
        return;
    }

    if (copts.suppress_init_code)
        return;

    initexpr = galloc(sizeof(InitExpr));
    initexpr->next = NULL;
    initexpr->object = object;
    initexpr->expr = CInline_CopyExpression(expr, CopyMode1);

    if (init_expressions) {
        scan = init_expressions;
        while (scan->next)
            scan = scan->next;
        scan->next = initexpr;
    } else {
        init_expressions = initexpr;
    }
}

void CFunc_GenerateDummyFunction(Object *func) {
    NameSpace *nspace;
    Boolean saveDebugInfo;
    Statement firstStmt;

    if (!anyerrors) {
        nspace = CFunc_FuncGenSetup(&firstStmt, NULL);

        saveDebugInfo = copts.filesyminfo;
        copts.filesyminfo = 0;

        CFunc_CodeCleanup(&firstStmt);
        CFunc_Gen(&firstStmt, func, 0);

        cscope_current = nspace->parent;
        copts.filesyminfo = saveDebugInfo;
    }
}

void CFunc_GenerateSingleExprFunc(Object *func, ENode *expr) {
    NameSpace *nspace;
    Boolean saveDebugInfo;
    Statement firstStmt;
    Statement *stmt;

    if (cparamblkptr->precompile == 1) {
        CError_Error(CErrorStr180);
        return;
    }

    if (!anyerrors) {
        nspace = CFunc_FuncGenSetup(&firstStmt, func);

        saveDebugInfo = copts.filesyminfo;
        copts.filesyminfo = 0;

        stmt = CFunc_AppendStatement(ST_EXPRESSION);
        stmt->expr = expr;

        CFunc_CodeCleanup(&firstStmt);
        CInline_GenFunc(&firstStmt, func, 0);

        cscope_current = nspace->parent;
        copts.filesyminfo = saveDebugInfo;
    }
}

void CFunc_GenerateDummyCtorFunc(Object *func, Object *real_ctor) {
    ENode *expr;
    NameSpace *nspace;
    FuncArg *arg1;
    FuncArg *arg0;
    ENodeList *list;
    Boolean saveDebugInfo;
    Statement firstStmt;
    Statement *stmt;

    if (cparamblkptr->precompile == 1) {
        CError_Error(CErrorStr180);
        return;
    }

    if (!anyerrors) {
        cscope_currentfunc = func;

        nspace = CFunc_FuncGenSetup(&firstStmt, func);

        saveDebugInfo = copts.filesyminfo;
        copts.filesyminfo = 0;

        CFunc_SetupNewFuncArgs(func, TYPE_FUNC(func->type)->args);

        expr = CExpr_NewENode(EFUNCCALL);
        expr->type = EFUNCCALL;
        expr->cost = 200;
        expr->rtype = TYPE(&void_ptr);
        expr->data.funccall.funcref = CExpr_MakeObjRefNode(real_ctor, 0);
        expr->data.funccall.functype = TYPE_FUNC(func->type);

        CError_ASSERT(3716, IS_TYPE_FUNC(real_ctor->type));
        CError_ASSERT(3717, TYPE_FUNC(real_ctor->type)->flags & FUNC_METHOD);
        CError_ASSERT(3718, arg0 = TYPE_FUNC(real_ctor->type)->args);
        CError_ASSERT(3720, arg1 = arg0->next);
        CError_ASSERT(3721, arguments);

        list = lalloc(sizeof(ENodeList));
        expr->data.funccall.args = list;
        list->node = create_objectnode(arguments->object);

        if (TYPE_METHOD(real_ctor->type)->theclass->flags & CLASS_HAS_VBASES) {
            CError_ASSERT(3727, arg1 = arg1->next);
            CError_ASSERT(3728, arguments->next);
            list->next = lalloc(sizeof(ENodeList));
            list = list->next;
            list->node = create_objectnode(arguments->next->object);
        }

        while (arg1) {
            CError_ASSERT(3737, arg1->dexpr);
            list->next = lalloc(sizeof(ENodeList));
            list = list->next;
            list->node = CExpr_GetDefaultArgument(expr->data.funccall.funcref, arg1);
            arg1 = arg1->next;
        }

        list->next = NULL;

        stmt = CFunc_AppendStatement(ST_RETURN);
        stmt->expr = expr;

        CFunc_CodeCleanup(&firstStmt);
        CInline_GenFunc(&firstStmt, func, 0);

        cscope_current = nspace->parent;
        cscope_currentfunc = NULL;
        copts.filesyminfo = saveDebugInfo;
    }
}