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codeGenerationFormatControl.C
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81 lines (63 loc) · 2.19 KB
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// This example will be made more sophisticated later, for now it just
// modifies the indentation of nested code blocks (from 2 spaces/block
// to 5 spaces/block).
#include "rose.h"
#include "unparseFormatHelp.h"
class CustomCodeFormat : public UnparseFormatHelp
{
public:
CustomCodeFormat();
~CustomCodeFormat();
virtual int getLine( SgLocatedNode*, SgUnparse_Info& info, FormatOpt opt);
virtual int getCol ( SgLocatedNode*, SgUnparse_Info& info, FormatOpt opt);
// return the value for indentation of code (part of control over style)
virtual int tabIndent ();
// return the value for where line wrapping starts (part of control over style)
virtual int maxLineLength ();
private:
int defaultLineLength;
int defaultIndentation;
};
CustomCodeFormat::CustomCodeFormat()
{
// default values here!
defaultLineLength = 20;
defaultIndentation = 5;
}
CustomCodeFormat::~CustomCodeFormat()
{}
// return: > 0: start new lines; == 0: use same line; < 0:default
int
CustomCodeFormat::getLine( SgLocatedNode*, SgUnparse_Info& info, FormatOpt opt)
{
// Use default mechanism to select the line where to output generated code
return -1;
}
// return starting column. if < 0, use default
int
CustomCodeFormat::getCol( SgLocatedNode*, SgUnparse_Info& info, FormatOpt opt)
{
// Use default mechanism to select the column where to output generated code
return -1;
}
int
CustomCodeFormat::tabIndent()
{
// Modify the indentation of the generated code (trival example of tailoring code generation)
return defaultIndentation;
}
int
CustomCodeFormat::maxLineLength()
{
return defaultLineLength;
}
int main (int argc, char* argv[])
{
// Initialize and check compatibility. See Rose::initialize
ROSE_INITIALIZE;
// Build the project object (AST) which we will fill up with multiple files and use as a
// handle for all processing of the AST(s) associated with one or more source files.
SgProject* project = new SgProject(argc,argv);
CustomCodeFormat* formatControl = new CustomCodeFormat();
return backend(project,formatControl);
}