source: dev/trunk/jenga/src/smoothie/LexicalAnalysis.cpp@ 173

#include <jenga/include/smoothie/LexicalAnalysis.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 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;
}