source: dev/trunk/jenga/src/smoothie/LexicalAnalysis.cpp@ 360

#include <jenga/include/common/Exception.h>
#include <jenga/include/smoothie/SmoothieException.h>
#include <jenga/include/smoothie/LexicalAnalysis.h>
#include <jenga/include/smoothie/BasicFixed.h>

#include <windows.h>

bool IsVariableTopChar(char c){
    if((c>='A'&&c<='Z')||(c>='a'&&c<='z')||c=='_')
    {
        return true;
    }
    return false;
}
bool IsVariableChar(char c){
    if((c>='A'&&c<='Z')||(c>='a'&&c<='z')||(c>='0'&&c<='9')||
        c=='%'||c=='!'||c=='#'||c=='$'||
        c=='_'||c=='.')
    {
        return true;
    }
    return false;
}
bool IsBlank(char c){
    if(c==' '||c=='\t') return 1;
    return 0;
}
int GetOneParameter(const char *Parameter,int pos,char *retAns){
    int i,i2,i3,IsStr;
    for(i=pos,i2=0,IsStr=0;;i++,i2++){
        if(Parameter[i]=='\"') IsStr^=1;
        else if(Parameter[i]=='('&&IsStr==0){
            i3=GetStringInPare(retAns+i2,Parameter+i);
            i+=i3-1;
            i2+=i3-1;
            continue;
        }
        else if(Parameter[i]=='['&&IsStr==0){
            i3=GetStringInBracket(retAns+i2,Parameter+i);
            i+=i3-1;
            i2+=i3-1;
            continue;
        }
        else if(Parameter[i]==','&&IsStr==0){
            retAns[i2]=0;
            i++;
            break;
        }

        if(IsCommandDelimitation(Parameter[i])&&IsStr==0
            || Parameter[i] == ')' && IsStr == 0 ){
                retAns[i2]=0;
                break;
        }

        retAns[i2]=Parameter[i];
    }
    return i;
}
int JumpOneParameter(char *Parameter,int i){
    int i2,IsStr;
    for(i2=0,IsStr=0;;i++,i2++){
        if(Parameter[i]=='\"') IsStr^=1;
        else if(Parameter[i]=='('&&IsStr==0){
            i=JumpStringInPare(Parameter,i+1);
            continue;
        }
        else if(Parameter[i]=='['&&IsStr==0){
            i=JumpStringInBracket(Parameter,i+1);
            continue;
        }
        else if(Parameter[i]==','&&IsStr==0){
            i++;
            break;
        }
        if(IsCommandDelimitation(Parameter[i])) break;
    }
    return i;
}
int GetStringInQuotation(char *buffer,char *ReadBuffer){
    int i;

    if(ReadBuffer[0]=='\"'){
        buffer[0]=ReadBuffer[0];
        i=1;
    }
    else i=0;

    for(;;i++){
        buffer[i]=ReadBuffer[i];
        if(IsDBCSLeadByte(ReadBuffer[i])){
            i++;
            buffer[i]=ReadBuffer[i];
            continue;
        }
        if(ReadBuffer[i]=='\"'){
            i++;
            buffer[i]=0;
            break;
        }
        if(ReadBuffer[i]=='\0') return 0;
    }
    return i;
}
int GetStringInPare(char *buffer,const char *ReadBuffer){
    int i,IsStr,PareNum;
    for(i=0,IsStr=0,PareNum=0;;i++){
        buffer[i]=ReadBuffer[i];
        if(IsDBCSLeadByte(ReadBuffer[i])){
            i++;
            buffer[i]=ReadBuffer[i];
            continue;
        }
        if(ReadBuffer[i]=='\"') IsStr^=1;
        else if(ReadBuffer[i]=='('&&IsStr==0) PareNum++;
        else if(ReadBuffer[i]==')'&&IsStr==0){
            PareNum--;
            if(PareNum==0){
                i++;
                buffer[i]=0;
                break;
            }
        }
        else if(ReadBuffer[i]=='\0') return 0;
    }
    return i;
}
int GetStringInBracket(char *buffer,const char *ReadBuffer){
    int i,IsStr,PareNum;
    for(i=0,IsStr=0,PareNum=0;;i++){
        buffer[i]=ReadBuffer[i];
        if(IsDBCSLeadByte(ReadBuffer[i])){
            i++;
            buffer[i]=ReadBuffer[i];
            continue;
        }
        if(ReadBuffer[i]=='\"') IsStr^=1;
        else if(ReadBuffer[i]=='['&&IsStr==0) PareNum++;
        else if(ReadBuffer[i]==']'&&IsStr==0){
            PareNum--;
            if(PareNum==0){
                i++;
                buffer[i]=0;
                break;
            }
        }
        else if(ReadBuffer[i]=='\0') return 0;
    }
    return i;
}
int GetStringInGenericBracket(char *buffer,const char *ReadBuffer){
    int i,IsStr,PareNum;
    for(i=0,IsStr=0,PareNum=0;;i++){
        buffer[i]=ReadBuffer[i];
        if(IsDBCSLeadByte(ReadBuffer[i])){
            i++;
            buffer[i]=ReadBuffer[i];
            continue;
        }
        if(ReadBuffer[i]=='\"') IsStr^=1;
        else if(ReadBuffer[i]=='<'&&IsStr==0) PareNum++;
        else if(ReadBuffer[i]=='>'&&IsStr==0){
            PareNum--;
            if(PareNum==0){
                i++;
                buffer[i]=0;
                break;
            }
        }
        else if(ReadBuffer[i]=='\0') return 0;
    }
    return i;
}
int JumpStringInPare(const char *buffer,int pos){
    int PareNum;
    for(PareNum=1;;pos++){
        if(buffer[pos]=='\"'){
            for(pos++;;pos++){
                if(buffer[pos]=='\"') break;
            }
            continue;
        }
        else if(buffer[pos]=='(') PareNum++;
        else if(buffer[pos]==')'){
            PareNum--;
            if(PareNum==0) return pos;
        }
        else if(buffer[pos]=='\0') break;
    }
    return 0;
}
int JumpStringInBracket(const char *buffer,int pos){
    int PareNum;
    for(PareNum=1;;pos++){
        if(buffer[pos]=='\"'){
            for(pos++;;pos++){
                if(buffer[pos]=='\"') break;
            }
            continue;
        }
        else if(buffer[pos]=='[') PareNum++;
        else if(buffer[pos]==']'){
            PareNum--;
            if(PareNum==0) return pos;
        }
        else if(buffer[pos]=='\0') break;
    }
    return 0;
}
bool IsCommandDelimitation( char c ){
    if( c == '\n' || c == ':' || c == '\0' ){
        return true;
    }

    return false;
}

int GetStringInPare_RemovePare(char *buffer,const char *ReadBuffer){
    int i,IsStr,PareNum;
    for(i=0,IsStr=0,PareNum=1;;i++){
        buffer[i]=ReadBuffer[i];
        if(IsDBCSLeadByte(ReadBuffer[i])){
            i++;
            buffer[i]=ReadBuffer[i];
            continue;
        }
        if(ReadBuffer[i]=='\"') IsStr^=1;
        else if(ReadBuffer[i]=='('&&IsStr==0) PareNum++;
        else if(ReadBuffer[i]==')'&&IsStr==0){
            PareNum--;
            if(PareNum==0){
                buffer[i]=0;
                break;
            }
        }
        else if(ReadBuffer[i]=='\0') return 0;
    }
    return i;
}

void SplitParameter( const std::string &src, Jenga::Common::Strings &dests, bool isClear )
{
    const char *buffer = src.c_str();
    int i = 0;

    if( isClear )
    {
        dests.clear();
    }

    while( buffer[i] )
    {
        char result[8192];
        i = GetOneParameter( buffer, i, result );
        dests.push_back( result );
    }
}


bool SplitMemberName( const char *desc, char *object, char *member, ReferenceKind &refType ){
    int lastIndex = -1;
    for( int i=0; desc[i]; i++ ){
        if( desc[i] == '(' ){
            i=JumpStringInPare(desc,i+1);
            continue;
        }
        else if( desc[i] == '[' ){
            i=JumpStringInBracket(desc,i+1);
            continue;
        }
        else if(desc[i]=='.'||(desc[i]==1&&desc[i+1]==ESC_PSMEM)){
            lastIndex = i;
        }
    }
    if( lastIndex == -1 ){
        if( object )
        {
            object[0] = 0;
        }
        lstrcpy( member, desc );
        return false;
    }

    if(desc[lastIndex]=='.'){
        lstrcpy(member,desc+lastIndex+1);
        refType = RefDot;
    }
    else{
        lstrcpy(member,desc+lastIndex+2);
        refType = RefPointer;
    }

    if( object ){
        lstrcpy( object, desc );
        object[lastIndex]=0;
    }

    return true;
}
bool SplitMemberName( const char *desc, char *object, char *member ){
    ReferenceKind dummyRefType;
    return SplitMemberName( desc, object, member, dummyRefType );
}

void SplitSyntacticForAs( const char *src, char *varName, char *typeName)
{
    int i = 0;
    for( ; ; i++ )
    {
        if( src[i] == '\0' || src[i] == 1 && src[i+1] == ESC_AS )
        {
            varName[i] = 0;
            break;
        }
        varName[i] = src[i];
    }

    if( src[i] )
    {
        i += 2;
        lstrcpy( typeName, src + i );
    }
    else
    {
        typeName[i] = 0;
    }
}

char *calcNames[255] = {
    "xor",
};
void InitCalcNames()
{
    if( calcNames[CALC_XOR] )
    {
        return;
    }

    memset( calcNames, 0, 255 * sizeof(char *) );
    calcNames[CALC_XOR] = "xor";
    calcNames[CALC_OR] = "or";
    calcNames[CALC_AND] = "and";
    calcNames[CALC_NOT] = "Not";
    calcNames[CALC_PE] = "<=";
    calcNames[CALC_QE] = ">=";
    calcNames[CALC_NOTEQUAL] = "<>";
    calcNames[CALC_EQUAL] = "=(compare)";
    calcNames[CALC_P] = "<";
    calcNames[CALC_Q] = ">";
    calcNames[CALC_SHL] = "<<";
    calcNames[CALC_SHR] = ">>";
    calcNames[CALC_ADDITION] = "+";
    calcNames[CALC_SUBTRACTION] = "-";
    calcNames[CALC_STRPLUS] = "&";
    calcNames[CALC_MOD] = "mod";
    calcNames[CALC_PRODUCT] = "*";
    calcNames[CALC_QUOTIENT] = "/";
    calcNames[CALC_INTQUOTIENT] = "\\";
    calcNames[CALC_AS] = "As";
    calcNames[CALC_BYVAL] = "ByVal";
    calcNames[CALC_MINUSMARK] = "-(mark)";
    calcNames[CALC_POWER] = "^";
    calcNames[CALC_SUBSITUATION] = "=";
    calcNames[CALC_ARRAY_GET] = "[]";
    calcNames[CALC_ARRAY_SET] = "[]=";
}
void GetCalcName(int idCalc,char *name){
    InitCalcNames();

    if( calcNames[idCalc] == NULL )
    {
        SmoothieException::Throw();
    }
    lstrcpy( name, calcNames[idCalc] );
}
BYTE ToCalcId( const char *name )
{
    InitCalcNames();

    for( int i=0; i<255; i++ )
    {
        if( calcNames[i] )
        {
            if( lstrcmp( name, calcNames[i] ) == 0 )
            {
                return i;
            }
        }
    }
    SmoothieException::Throw();
    return 0;
}

std::string Operator_NaturalStringToCalcMarkString( const std::string &name )
{
    if( name[0] == 1 && name[1] == ESC_OPERATOR )
    {
        BYTE calcId = ToCalcId( name.c_str()+2 );
        char temporary[255];
        temporary[0] = name[0];
        temporary[1] = name[1];
        temporary[2] = calcId;
        temporary[3] = 0;
        return temporary;
    }
    return name;
}
std::string Operator_CalcMarkStringToNaturalString( const std::string &name )
{
    if( name[0] == 1 && name[1] == ESC_OPERATOR )
    {
        BYTE calcId = name[2];
        char temporary[255], calcName[255];
        GetCalcName( calcId, calcName );
        temporary[0] = name[0];
        temporary[1] = name[1];
        lstrcpy( temporary+2, calcName );
        return temporary;
    }
    return name;
}

bool IsGenericTypeSourcePart( const char *buffer )
{
    if( buffer[0] != '<' )
    {
        Jenga::Throw( "意図しない文字列に対してIsGenericTypeSourcePart関数が呼ばれた" );
        return false;
    }

    int i=1, scopeCount=1;
    for( ; ; i++ )
    {
        if( buffer[i] == '\0' )
        {
            break;
        }
        if( buffer[i] == '<' )
        {
            scopeCount++;
        }
        else if( buffer[i] == '>' )
        {
            scopeCount--;

            if( scopeCount == 0 )
            {
                break;
            }
        }
    }

    if( buffer[i] != '>' )
    {
        return false;
    }


    /////////////////////////////////////////////////////////////////
    // '>'に続く文字を判定する
    /////////////////////////////////////////////////////////////////

    i++;
    while( IsBlank( buffer[i] ) )
    {
        i++;
    }

    if( IsVariableChar( buffer[i] ) )
    {
        return false;
    }

    return true;
}