SourceLocation.hpp

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/******************************************************************************/
/* REXX Kernel                                             SourceLocation.hpp */
/*                                                                            */
/* Primitive Translator Token Class Definitions                               */
/*                                                                            */
/******************************************************************************/
#ifndef Included_SourceLocation
#define Included_SourceLocation
 
 
class SourceLocation                   /* token/clause location information */
{
public:
    inline SourceLocation() : /*startLine(0), startOffset(0), endLine(0), endOffset(0),*/ limitedTrace(false) {};
    inline size_t getLineNumber() const { return startLine; }
    inline size_t getOffset() const    { return startOffset; }
    inline size_t getEndLine() const    { return endLine; }
    inline size_t getEndOffset() const { return endOffset; }
    inline bool isLimitedTrace() const  { return limitedTrace; }
 
    inline void setLineNumber(size_t l) { startLine = l; }
    inline void setOffset(size_t l)    { startOffset = l; }
    inline void setEndLine(size_t l)    { endLine = l; }
    inline void setEndOffset(size_t l) { endOffset = l; }
    inline void setLimitedTrace(bool b) { limitedTrace = b; }
 
    inline void setStart(SourceLocation &l)
    {
        startLine = l.getLineNumber();
        startOffset = l.getOffset();
    }
 
    inline void setEnd(SourceLocation &l)
    {
        setEnd(l.getEndLine(), l.getEndOffset());
    }
 
    inline void   setStart(size_t line, size_t offset)
    {
        startLine = line;
        startOffset = offset;
    }
 
    inline void   setEnd(size_t line, size_t offset)
    {
        // only set if this makes sense
        if (line > startLine || (line == startLine && offset > startOffset))
        {
            endLine = line;
            endOffset = offset;
        }
 
    }
 
    inline void setLocation(size_t line, size_t offset, size_t end, size_t end_offset, bool limited_trace=false)
    {
        startLine = line;
        startOffset = offset;
        endLine = end;
        endOffset = end_offset;
        limitedTrace = limited_trace;
    }
 
    inline void setLocation(SourceLocation &l)
    {
        startLine = l.startLine;
        startOffset = l.startOffset;
        endLine = l.endLine;
        endOffset = l.endOffset;
        limitedTrace = l.limitedTrace;
    }
 
    inline const SourceLocation & operator= (const SourceLocation &l)
    {
        startLine = l.startLine;
        startOffset = l.startOffset;
        endLine = l.endLine;
        endOffset = l.endOffset;
        limitedTrace = l.limitedTrace;
        return *this;
    }
 
protected:
    size_t startLine;                    // file line start location
    size_t startOffset;                 // offset within the file line
    size_t endLine;                      // file line end location
    size_t endOffset;                   // file end offset
    bool limitedTrace;                   // Used by /*...*/ and {...} to limit the traceBack when error "unmatched"
};
 
 
#endif