int main(void)
{
int c;
readline();
while ((c = get_c()) != '\n') {
switch (c){
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
unget_c();
readn();
break;
case '+': case '-': /* 遇到加减法时,先读入下一组数字,再存入运算符号 */
readn();
pushstr(c);
break;
case '*': case '/': /* 遇到乘除法时,现把当前的预算符出栈,存入操作数,再存入乘除符号 */
pushtemp(popstr());
readn();
pushstr(c);
pushstr(poptemp()); /* 原先的预算符号进栈 */
default:
break;
}
}
/* 输出逆波兰数序 */
pushstr('\0');
printf("%s\n", str);
return 0;
}
/* 读入一组数字,依次入栈，并且以逗号结尾*/
void readn(void) {
int c;
while ((c = get_c()) && c >= '0' && c <= '9')
pushstr(c);
pushstr(',');
unget_c();
}
int
db2sqldelete( Dbptr db, char *sync, Tbl **tbl, long flags )
{
void *stk = 0;
char *table;
char *cmd;
if( *tbl == (Tbl *) NULL ) {
*tbl = newtbl( 0 );
}
dbquery( db, dbTABLE_NAME, &table );
pushstr( &stk, "DELETE from `" );
pushstr( &stk, table );
pushstr( &stk, "` WHERE " );
pushstr( &stk, " `" );
pushstr( &stk, Db2sql_syncfield_name );
pushstr( &stk, "` = '" );
pushstr( &stk, sync );
pushstr( &stk, "'" );
pushstr( &stk, ";\n" );
cmd = popstr( &stk, 1 );
pushtbl( *tbl, cmd );
return 1;
}
/* this function handles only `%d', `%c', %f, %p, and `%s' formats */
const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
int n = 0;
for (;;) {
const char *e = strchr(fmt, '%');
if (e == NULL) break;
setsvalue2s(L, L->top, luaS_newlstr(L, fmt, e-fmt));
incr_top(L);
switch (*(e+1)) {
case 's': {
const char *s = va_arg(argp, char *);
if (s == NULL) s = "(null)";
pushstr(L, s, strlen(s));
break;
}
case 'c': {
char buff;
buff = cast(char, va_arg(argp, int));
pushstr(L, &buff, 1);
break;
}
case 'd': {
setnvalue(L->top, cast_num(va_arg(argp, int)));
incr_top(L);
break;
}
case 'f': {
// Floats passed through ... are promoted to doubles...
setnvalue(L->top, cast_num(va_arg(argp, double)));
incr_top(L);
break;
}
case 'p': {
char buff[4*sizeof(void *) + 8]; /* should be enough space for a `%p' */
int l = sprintf(buff, "%p", va_arg(argp, void *));
pushstr(L, buff, l);
break;
}
case '%': {
pushstr(L, "%", 1);
break;
}
default: {
luaG_runerror(L,
"invalid option " LUA_QL("%%%c") " to " LUA_QL("lua_pushfstring"),
*(e + 1));
}
}
n += 2;
fmt = e+2;
}
pushstr(L, fmt, strlen(fmt));
if (n > 0) luaV_concat(L, n + 1);
return svalue(L->top - 1);
}
static void
add_endtag( void **vstack, char *tagname )
{
char *copy;
copy = strdup( tagname );
strtrim( copy );
pushstr( vstack, "</" );
pushstr( vstack, copy );
pushstr( vstack, ">" );
free( copy );
}
void postfix_to_infix(void)
{
int i,j,k,n=0;
char t,op1[20],op2[30],temp[30];
for(t=gettoken(&n);t!='\0';t=gettoken(&n))
{
if(t>='0' && t<='9' || t>='a' && t<='z' || t>='A' && t<='Z')
push(t);
else if(t=='+' || t=='-' || t=='*' || t=='/' || t=='%')
{
pop(temp);
strcpy(op2,temp);
pop(temp);
strcpy(op1,temp);
for(k=strlen(op1)+1;k>0;k--)
op1[k]=op1[k-1];
op1[0]='(';
j=strlen(op1);
op1[j]=t;
op1[j+1]='\0';
for(i=strlen(op1),j=0;op2[j]!='\0';i++,j++)
op1[i]=op2[j];
op1[i]=')';
op1[i+1]='\0';
pushstr(op1);
}
}
}
/* this function handles only `%d', `%c', %f, %p, and `%s' formats */
const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
int n = 1;
pushstr(L, "");
for (;;) {
const char *e = strchr(fmt, '%');
if (e == NULL) break;
setsvalue2s(L, L->top, luaS_newlstr(L, fmt, e-fmt));
incr_top(L);
switch (*(e+1)) {
case 's': {
const char *s = va_arg(argp, char *);
if (s == NULL) s = "(null)";
pushstr(L, s);
break;
}
case 'c': {
char buff[2];
buff[0] = cast(char, va_arg(argp, int));
buff[1] = '\0';
pushstr(L, buff);
break;
}
case 'd': {
setnvalue(L->top, cast_num(va_arg(argp, int)));
incr_top(L);
break;
}
case 'f': {
setnvalue(L->top, cast_num(va_arg(argp, double)));
incr_top(L);
break;
}
case 'p': {
char buff[4*sizeof(void *) + 8]; /* should be enough space for a `%p' */
sprintf(buff, "%p", va_arg(argp, void *));
pushstr(L, buff);
break;
}
case '%': {
pushstr(L, "%");
break;
}
default: {
char buff[3];
buff[0] = '%';
buff[1] = *(e+1);
buff[2] = '\0';
pushstr(L, buff);
break;
}
}
n += 2;
fmt = e+2;
}
pushstr(L, fmt);
luaV_concat(L, n+1, cast_int(L->top - L->base) - 1);
L->top -= n;
return svalue(L->top - 1);
}
char *
translate_function(char *name)
{
char *output = search_function(name);
if (output == NULL) {
printf("\nUnknown function: %s\n", name);
pushstr("unknown");
output = poolp;
}
return output;
}
void
get_function(void)
{
function = read_function();
function_symbol = search_symbol(function, &function_code, 0);
if (function_symbol == NULL) {
function_symbol = poolp;
pushstr("ECL_NIL");
pushc('\0');
}
function_c_name = translate_function(function);
}
char *
search_symbol(char *name, int *symbol_code, int code)
{
int i;
for (i = 0; cl_symbols[i].name != NULL; i++) {
if (!strcasecmp(name, cl_symbols[i].name)) {
name = poolp;
if (code) {
pushstr("ecl_make_fixnum(/*");
pushstr(cl_symbols[i].name);
pushstr("*/");
if (i >= 1000)
pushc((i / 1000) % 10 + '0');
if (i >= 100)
pushc((i / 100) % 10 + '0');
if (i >= 10)
pushc((i / 10) % 10 + '0');
pushc(i % 10 + '0');
pushstr(")");
pushc(0);
} else if (i == 0) {
pushstr("ECL_NIL");
pushc(0);
} else {
pushstr("ECL_SYM(\"");
pushstr(cl_symbols[i].name);
pushstr("\",");
if (i >= 1000)
pushc((i / 1000) % 10 + '0');
if (i >= 100)
pushc((i / 100) % 10 + '0');
if (i >= 10)
pushc((i / 10) % 10 + '0');
pushc(i % 10 + '0');
pushstr(")");
pushc(0);
}
if (symbol_code)
*symbol_code = i;
return name;
}
}
return NULL;
}
char *
search_function(char *name)
{
int i;
for (i = 0; cl_symbols[i].name != NULL; i++) {
if (cl_symbols[i].translation != NULL &&
!strcasecmp(name, cl_symbols[i].name)) {
name = poolp;
pushstr(cl_symbols[i].translation);
pushc(0);
return name;
}
}
return name;
}
static void
add_dataelement( void **vstack, char *tagname, char *value )
{
char *copy;
copy = strdup( value );
strtrim( copy );
safe_strsub( copy, "&", "&", copy );
safe_strsub( copy, "<", "<", copy );
safe_strsub( copy, ">", ">", copy );
add_starttag( vstack, tagname );
pushstr( vstack, copy );
add_endtag( vstack, tagname );
free( copy );
}
/* this function handles only `%d', `%c', %f, %p, and `%s' formats */
const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
int n = 0;
for (;;) {
const char *e = strchr(fmt, '%');
if (e == NULL) break;
luaD_checkstack(L, 2); /* fmt + item */
pushstr(L, fmt, e - fmt);
switch (*(e+1)) {
case 's': {
const char *s = va_arg(argp, char *);
if (s == NULL) s = "(null)";
pushstr(L, s, strlen(s));
break;
}
case 'c': {
char buff;
buff = cast(char, va_arg(argp, int));
pushstr(L, &buff, 1);
break;
}
case 'd': {
setnvalue(L->top++, cast_num(va_arg(argp, int)));
break;
}
case 'f': {
setnvalue(L->top++, cast_num(va_arg(argp, l_uacNumber)));
break;
}
case 'p': {
char buff[4*sizeof(void *) + 8]; /* should be enough space for a `%p' */
int l = sprintf(buff, "%p", va_arg(argp, void *));
pushstr(L, buff, l);
break;
}
case '%': {
pushstr(L, "%", 1);
break;
}
default: {
luaG_runerror(L,
"invalid option " LUA_QL("%%%c") " to " LUA_QL("lua_pushfstring"),
*(e + 1));
}
}
n += 2;
fmt = e+2;
}
luaD_checkstack(L, 1);
pushstr(L, fmt, strlen(fmt));
if (n > 0) luaV_concat(L, n + 1);
return svalue(L->top - 1);
}
char *
read_symbol(int code)
{
char c, *name = poolp;
char end = code? ']' : '\'';
c = readc();
while (c != end) {
if (c == '_') c = '-';
pushc(c);
c = readc();
}
pushc(0);
name = search_symbol(poolp = name, 0, code);
if (name == NULL) {
name = poolp;
printf("\nUnknown symbol: %s\n", name);
pushstr("unknown");
}
return name;
}
ScriptObject* TypeDescriber::describeTraits(Traitsp traits, uint32_t flags)
{
if (!(flags & INCLUDE_TRAITS))
return NULL;
AvmCore* core = m_toplevel->core();
GC* gc = core->GetGC();
TraitsBindingsp tb = traits->getTraitsBindings();
TraitsMetadatap tm = traits->getTraitsMetadata();
ScriptObject* o = new_object();
ArrayObject* bases = NULL;
ArrayObject* metadata = NULL;
ArrayObject* interfaces = NULL;
ArrayObject* methods = NULL;
ArrayObject* accessors = NULL;
ArrayObject* variables = NULL;
ScriptObject* constructor = NULL;
if (flags & INCLUDE_BASES)
{
metadata = new_array();
PoolObject* class_mdpool;
const uint8_t* class_md = tm->getMetadataPos(class_mdpool);
if (class_md)
addDescribeMetadata(metadata, class_mdpool, class_md);
}
if (flags & INCLUDE_BASES)
{
bases = new_array();
for (Traitsp b = traits->base; b; b = b->base)
pushstr(bases, describeClassName(b));
}
if (flags & INCLUDE_INTERFACES)
{
interfaces = new_array();
// our TraitsBindings only includes our own interfaces, not any we might have inherited,
// so walk the tree. there might be redundant interfaces listed in the inheritance,
// so use a list to remove dupes
List<Traitsp> unique(gc);
for (Traitsp b = traits; b; b = b->base)
{
TraitsBindingsp tbi = b->getTraitsBindings();
for (uint32_t i = 0; i < tbi->interfaceCapacity; ++i)
{
Traitsp ti = tbi->getInterface(i);
if (ti && ti->isInterface && unique.indexOf(ti) < 0)
{
unique.add(ti);
pushstr(interfaces, describeClassName(ti));
}
}
}
}
// constructor
if (flags & INCLUDE_CONSTRUCTOR)
{
AbstractFunction* initMethod = traits->init;
if (initMethod && initMethod->param_count)
{
constructor = describeParams(initMethod);
}
}
if (flags & (INCLUDE_ACCESSORS | INCLUDE_METHODS | INCLUDE_VARIABLES))
{
// recover slot/method metadata and method-declarer information.
// make a flattened set of bindings so we don't have to check for overrides as we go.
// This is not terribly efficient, but doesn't need to be.
MultinameHashtable* mybind = new (gc) MultinameHashtable();
addBindings(mybind, tb, flags);
// Don't want interface methods, so post-process and wipe out any
// bindings that were added
for (uint32_t i = 0; i < tb->interfaceCapacity; ++i)
{
Traitsp ti = tb->getInterface(i);
if (ti && ti->isInterface)
{
TraitsBindingsp tbi = ti->getTraitsBindings();
for (int32_t index = 0; (index = tbi->next(index)) != 0; )
{
Stringp name = tbi->keyAt(index);
Namespacep ns = tbi->nsAt(index);
mybind->add(name, ns, BIND_NONE);
}
}
}
// yuck, replicate buggy behavior in FP9/10
List<Namespacep> nsremoval(gc);
if (flags & HIDE_NSURI_METHODS)
{
for (uint32_t i = 0; i < tb->interfaceCapacity; ++i)
{
Traitsp ti = tb->getInterface(i);
// already did interfaces, don't need to do them again
if (ti && !ti->isInterface)
{
TraitsBindingsp tbi = ti->getTraitsBindings();
for (int32_t index = 0; (index = tbi->next(index)) != 0; )
{
Namespacep ns = tbi->nsAt(index);
if (ns->getURI()->length() > 0 && nsremoval.indexOf(ns) < 0)
nsremoval.add(ns);
}
}
}
}
for (int32_t index = 0; (index = mybind->next(index)) != 0; )
{
Binding binding = mybind->valueAt(index);
Stringp name = mybind->keyAt(index);
Namespacep ns = mybind->nsAt(index);
Stringp nsuri = ns->getURI();
TraitsMetadata::MetadataPtr md1 = NULL;
TraitsMetadata::MetadataPtr md2 = NULL;
PoolObject* md1pool = NULL;
PoolObject* md2pool = NULL;
// We only display public members -- exposing private namespaces could compromise security.
if (ns->getType() != Namespace::NS_Public)
continue;
if ((flags & HIDE_NSURI_METHODS) && nsremoval.indexOf(ns) >= 0)
continue;
ScriptObject* v = new_object();
const BindingKind bk = AvmCore::bindingKind(binding);
switch (bk)
{
case BKIND_CONST:
case BKIND_VAR:
{
if (!(flags & INCLUDE_VARIABLES))
continue;
const uint32_t slotID = AvmCore::bindingToSlotId(binding);
const KVPair props[] = {
{ kstrid_access, strAtom(str(bk == BKIND_CONST ? kstrid_readonly : kstrid_readwrite)) },
{ kstrid_type, strAtom(describeClassName(tb->getSlotTraits(slotID))) },
};
setpropmulti(v, props, elem_count(props));
if (!variables) variables = new_array();
pushobj(variables, v);
md1 = tm->getSlotMetadataPos(slotID, md1pool);
break;
}
case BKIND_METHOD:
{
if (!(flags & INCLUDE_METHODS))
continue;
const uint32_t methodID = AvmCore::bindingToMethodId(binding);
const AbstractFunction* af = tb->getMethod(methodID);
Traitsp declaringTraits = af->declaringTraits;
const KVPair props[] = {
{ kstrid_declaredBy, strAtom(describeClassName(declaringTraits)) },
{ kstrid_returnType, strAtom(describeClassName(af->returnTraits())) },
{ kstrid_parameters, objAtom(describeParams(af)) },
};
setpropmulti(v, props, elem_count(props));
if (!methods) methods = new_array();
pushobj(methods, v);
md1 = tm->getMethodMetadataPos(methodID, md1pool);
break;
}
case BKIND_GET:
case BKIND_SET:
case BKIND_GETSET:
{
if (!(flags & INCLUDE_ACCESSORS))
continue;
const uint32_t methodID = AvmCore::hasGetterBinding(binding) ?
AvmCore::bindingToGetterId(binding) :
AvmCore::bindingToSetterId(binding);
const AbstractFunction* af = tb->getMethod(methodID);
Traitsp declaringTraits = af->declaringTraits;
Traitsp accessorType = AvmCore::hasGetterBinding(binding) ?
af->returnTraits() :
af->paramTraits(1);
static const uint8_t bk2str[8] =
{
uint8_t(kstrid_emptyString), // BKIND_NONE
uint8_t(kstrid_emptyString), // BKIND_METHOD
uint8_t(kstrid_emptyString), // BKIND_VAR
uint8_t(kstrid_emptyString), // BKIND_CONST
uint8_t(kstrid_emptyString), // BKIND_ITRAMP
uint8_t(kstrid_readonly), // BKIND_GET
uint8_t(kstrid_writeonly), // BKIND_SET
uint8_t(kstrid_readwrite) // BKIND_GETSET
};
const KVPair props[] = {
{ kstrid_declaredBy, strAtom(describeClassName(declaringTraits)) },
{ kstrid_access, strAtom(str(StringId(bk2str[bk]))) },
{ kstrid_type, strAtom(describeClassName(accessorType)) },
};
setpropmulti(v, props, elem_count(props));
if (AvmCore::hasGetterBinding(binding))
md1 = tm->getMethodMetadataPos(AvmCore::bindingToGetterId(binding), md1pool);
if (AvmCore::hasSetterBinding(binding))
md2 = tm->getMethodMetadataPos(AvmCore::bindingToSetterId(binding), md2pool);
if (!accessors) accessors = new_array();
pushobj(accessors, v);
break;
}
case BKIND_NONE:
break;
}
ArrayObject* vm = NULL;
if ((flags & INCLUDE_METADATA) && (md1 || md2))
{
vm = new_array();
addDescribeMetadata(vm, md1pool, md1);
addDescribeMetadata(vm, md2pool, md2);
}
const KVPair props[] = {
{ kstrid_name, strAtom(name) },
{ kstrid_uri, strAtom(nsuri->length() == 0 ? NULL : nsuri) },
{ kstrid_metadata, objAtom(vm) },
};
setpropmulti(v, props, elem_count(props));
}
}
const KVPair props[] = {
{ kstrid_bases, objAtom(bases) },
{ kstrid_interfaces, objAtom(interfaces) },
{ kstrid_metadata, objAtom(metadata) },
{ kstrid_accessors, objAtom(accessors) },
{ kstrid_methods, objAtom(methods) },
{ kstrid_variables, objAtom(variables) },
{ kstrid_constructor, objAtom(constructor) },
};
setpropmulti(o, props, elem_count(props));
return o;
}
static char *
generate_sqlrow_insert( Dbptr db, char *(*createsync)(Dbptr db), long flags )
{
void *stk = 0;
char *table;
Tbl *fields;
Dbvalue dbvalue;
char *field;
long ifield;
long ftype;
char *fformat;
char part[STRSZ];
char *sync;
char *copy;
if( db.record < 0 &&
db.record != dbSCRATCH &&
db.record != dbNULL ) {
return NULL;
}
dbquery( db, dbTABLE_NAME, &table );
dbquery( db, dbTABLE_FIELDS, &fields );
pushstr( &stk, "INSERT INTO `" );
pushstr( &stk, table );
pushstr( &stk, "` VALUES(" );
for( ifield = 0; ifield < maxtbl( fields ); ifield++ ) {
field = gettbl( fields, ifield );
db = dblookup( db, "", "", field, "" );
dbquery( db, dbFIELD_TYPE, &ftype );
dbquery( db, dbFIELD_FORMAT, &fformat );
dbgetv( db, 0, field, &dbvalue, NULL );
if( ifield > 0 ) {
pushstr( &stk, ", " );
}
if( ! ( flags & DB2SQL_USE_DATASCOPE_NULLS ) && dbfield_isnull( db ) ) {
pushstr( &stk, "NULL" );
continue;
}
memset( part, '\0', STRSZ );
switch( ftype ) {
case dbSTRING:
pushstr( &stk, "'" );
if( strchr( dbvalue.s, '\'' ) == (char *) NULL ) {
pushstr( &stk, dbvalue.s );
} else {
allot( char *, copy, 2 * strlen( dbvalue.s ) );
strsub( dbvalue.s, "'", "\\'", copy );
pushstr( &stk, copy );
free( copy );
}
pushstr( &stk, "'" );
break;
case dbREAL:
case dbTIME:
sprintf( part, fformat, dbvalue.d );
pushstr( &stk, part );
break;
case dbINTEGER:
case dbYEARDAY:
sprintf( part, fformat, dbvalue.i );
pushstr( &stk, part );
break;
case dbDBPTR:
sprintf( part, "%ld %ld %ld %ld",
dbvalue.db.database,
dbvalue.db.table,
dbvalue.db.field,
dbvalue.db.record );
pushstr( &stk, part );
break;
}
}
if( ! ( flags & DB2SQL_OMIT_SYNC ) ) {
if( createsync != (char *(*)(Dbptr db)) NULL ) {
sync = (*createsync)( db );
} else {
sync = (char *) NULL;
}
pushstr( &stk, ", '" );
if( sync != (char *) NULL ) {
pushstr( &stk, sync );
} else {
pushstr( &stk, DB2SQL_SYNCFIELD_NULL );
}
pushstr( &stk, "'" );
if( sync != (char *) NULL ) {
free( sync );
}
}
pushstr( &stk, ");\n" );
return popstr( &stk, 1 );
}
static char *
generate_sqltable_create( Dbptr db, long flags )
{
char *table;
char part[STRSZ];
void *stk = 0;
Tbl *primary;
Tbl *fields;
long ifield;
char *field;
char field_a[STRSZ];
char field_b[STRSZ];
char *fnull;
long fsize;
long ftype;
char *fformat;
int precision;
int scale;
long longest = 0;
if( db.table < 0 ) {
return NULL;
}
dbquery( db, dbTABLE_NAME, &table );
pushstr( &stk, "CREATE TABLE `" );
pushstr( &stk, table );
pushstr( &stk, "`\n (\n" );
dbquery( db, dbTABLE_FIELDS, &fields );
applytbl( fields, find_longest, (void *) &longest );
if( ! ( flags & DB2SQL_OMIT_SYNC ) && longest < strlen( Db2sql_syncfield_name ) ) {
longest = strlen( Db2sql_syncfield_name );
}
for( ifield = 0; ifield < maxtbl( fields ); ifield++ ) {
if( ifield > 0 ) {
pushstr( &stk, ",\n" );
}
field = gettbl( fields, ifield );
db = dblookup( db, "", table, field, "" );
pushstr( &stk, " `" );
pushstr( &stk, field );
pushstr( &stk, "`" );
pushstr( &stk, spaces( longest - strlen(field) + 2 ) );
dbquery( db, dbFIELD_SIZE, &fsize );
dbquery( db, dbFIELD_TYPE, &ftype );
dbquery( db, dbFIELD_FORMAT, &fformat );
dbquery( db, dbNULL, &fnull );
memset( part, '\0', STRSZ );
switch( ftype ) {
case dbSTRING:
if( fsize < 256 ) {
sprintf( part, "CHAR(%ld)", fsize );
} else {
sprintf( part, "TEXT(%ld)", fsize );
}
pushstr( &stk, part );
break;
case dbREAL:
case dbTIME:
if( fnull != (char *) NULL && strcontains( fnull, "[eE]", 0, 0, 0 ) ) {
sprintf( part, "DOUBLE" );
} else {
sscanf( fformat, "%%%d.%d", &precision, &scale );
sprintf( part, "DECIMAL(%d,%d)", precision, scale );
}
pushstr( &stk, part );
break;
case dbINTEGER:
case dbYEARDAY:
sprintf( part, "INTEGER(%ld)", fsize );
pushstr( &stk, part );
break;
case dbDBPTR:
pushstr( &stk, "CHAR(32)" );
break;
}
/* Disallow defaults for SQL TEXT fields */
if( fnull != (char *) NULL && strncmp( part, "TEXT", 4 ) ) {
pushstr( &stk, " DEFAULT " );
if( ftype == dbSTRING ) {
pushstr( &stk, "'" );
pushstr( &stk, fnull );
pushstr( &stk, "'" );
} else {
pushstr( &stk, fnull );
}
}
}
if( ! ( flags & DB2SQL_OMIT_SYNC ) ) {
pushstr( &stk, ",\n" );
pushstr( &stk, " `" );
pushstr( &stk, Db2sql_syncfield_name );
pushstr( &stk, "`" );
pushstr( &stk, spaces( longest - strlen(Db2sql_syncfield_name) + 2 ) );
pushstr( &stk, DB2SQL_SYNCFIELD_SPEC );
}
dbquery( db, dbPRIMARY_KEY, &primary );
if( maxtbl( primary ) > 0 ) {
pushstr( &stk, ",\n PRIMARY KEY (" );
for( ifield = 0; ifield < maxtbl( primary ); ifield++ ) {
if( ifield > 0 ) {
pushstr( &stk, ", " );
}
field = gettbl( primary, ifield );
if( strcontains( field, "::", 0, 0, 0 ) ) {
strsub( field, "::", " ", field );
sscanf( field, "%s %s", field_a, field_b );
pushstr( &stk, "`" );
pushstr( &stk, field_a );
pushstr( &stk, "`" );
/* end-of-range keys can be NULL in Datascope,
so don't use it as primary in SQL:
pushstr( &stk, ", `" );
pushstr( &stk, field_b );
pushstr( &stk, "`" );
*/
} else {
pushstr( &stk, "`" );
pushstr( &stk, field );
pushstr( &stk, "`" );
}
}
pushstr( &stk, ")" );
}
pushstr( &stk, "\n );\n" );
return popstr( &stk, 1 );
}
/* this function handles only `%d', `%c', %f, %p, and `%s' formats
and now it handles %x and %X as well */
const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp)
{
#if LUAXS_CORE_FORMAT == 2
size_t alloclen = _vscprintf(fmt, argp) + 1;
char* buf = luaM_malloc(L, alloclen);
vsprintf_s(buf, alloclen, fmt, argp);
pushstr(L, buf);
luaM_freemem(L, buf, alloclen);
return svalue(L->top - 1);
#else
int n = 1;
pushstr(L, "");
for (;;) {
const char *e = strchr(fmt, '%');
if (e == NULL) break;
setsvalue2s(L, L->top, luaS_newlstr(L, fmt, e-fmt));
incr_top(L);
switch (*(e+1)) {
case 's': {
const char *s = va_arg(argp, char *);
if (s == NULL) s = "(null)";
pushstr(L, s);
break;
}
case 'c': {
char buff[2];
buff[0] = cast(char, va_arg(argp, int));
buff[1] = '\0';
pushstr(L, buff);
break;
}
case 'd': {
setnvalue(L->top, cast_num(va_arg(argp, int)));
incr_top(L);
break;
}
case 'f': {
setnvalue(L->top, cast_num(va_arg(argp, l_uacNumber)));
incr_top(L);
break;
}
case 'p': {
char buff[4*sizeof(void *) + 8]; /* should be enough space for a `%p' */
sprintf(buff, "%p", va_arg(argp, void *));
pushstr(L, buff);
break;
}
#if LUAXS_CORE_FORMAT == 1
case 'X': {
char buff[sizeof(int)*2+3];
sprintf(buff, "%X", va_arg(argp, int));
pushstr(L, buff);
break;
}
case 'x': {
char buff[sizeof(int)*2+3];
sprintf(buff, "%x", va_arg(argp, int));
pushstr(L, buff);
break;
}
#endif
case '%': {
pushstr(L, "%");
break;
}
default: {
char buff[3];
buff[0] = '%';
buff[1] = *(e+1);
buff[2] = '\0';
pushstr(L, buff);
break;
}
}
n += 2;
fmt = e+2;
}
pushstr(L, fmt);
luaV_concat(L, n+1, cast_int(L->top - L->base) - 1);
L->top -= n;
return svalue(L->top - 1);
#endif
}
