PT_Production SDFProductionToPtProduction(SDF_Production sdfProduction) { SDF_Symbol sdfResult; SDF_Attributes sdfAttributes; PT_Symbols ptSymbols; PT_Symbol ptResult; PT_Attributes ptAttributes; sdfResult = SDF_getProductionResult(sdfProduction); sdfAttributes = SDF_getProductionAttributes(sdfProduction); ptResult = SDFSymbolToPtSymbol(sdfResult); ptAttributes = SDFAttributesToPtAttributes(sdfAttributes); if (SDF_isProductionProd(sdfProduction)) { SDF_Symbols sdfSymbols = SDF_getProductionSymbols(sdfProduction); ptSymbols = SDFSymbolsToPtSymbols(sdfSymbols); } else { ATwarning("SDFProductionToPtProduction: unable to convert %s\n", PT_yieldTreeToString((PT_Tree) sdfProduction, ATfalse)); return NULL; } return PT_makeProductionDefault(ptSymbols, ptResult, ptAttributes); }
PT_Tree PT_makeTreeLit(const char* string) { int len = strlen(string); int i; PT_Args args = PT_makeArgsEmpty(); PT_Symbols symbols = PT_makeSymbolsEmpty(); PT_Symbol symbol = PT_makeSymbolLit(string); PT_Attributes attrs = PT_makeAttributesNoAttrs(); PT_Production prod; for (i = len - 1; i >= 0; i--) { PT_Tree arg; PT_Symbol symbol; arg = PT_makeTreeChar(string[i]); args = PT_makeArgsMany(arg, args); symbol = PT_makeSymbolCharClass( PT_makeCharRangesSingle( PT_makeCharRangeCharacter(string[i]))); symbols = PT_makeSymbolsMany(symbol, symbols); } prod = PT_makeProductionDefault(symbols, symbol, attrs); return PT_makeTreeAppl(prod, args); }
PT_Tree PT_makeTreeLexToCf(PT_Symbol sym, PT_Tree tree) { PT_Symbol lexSymbol = PT_makeSymbolLex(sym); PT_Symbol cfSymbol = PT_makeSymbolCf(sym); PT_Symbols lhs = PT_makeSymbolsSingle(lexSymbol); PT_Attributes noattrs = PT_makeAttributesNoAttrs(); PT_Production prod = PT_makeProductionDefault(lhs, cfSymbol, noattrs); PT_Args args = PT_makeArgsSingle(tree); return PT_makeTreeAppl(prod, args); }
PT_Tree PT_makeTreeCilit(const char* string) { int len = strlen(string); int i; PT_Args args = PT_makeArgsEmpty(); PT_Symbols symbols = PT_makeSymbolsEmpty(); PT_Symbol symbol = PT_makeSymbolCilit(string); PT_Attributes attrs = PT_makeAttributesNoAttrs(); PT_Production prod; for (i = len - 1; i >= 0; i--) { PT_Tree arg; PT_Symbol symbol; arg = PT_makeTreeChar(string[i]); args = PT_makeArgsMany(arg, args); if (string[i] >= 'A' && string[i] <= 'Z') { PT_CharRanges range1 = PT_makeCharRangesSingle( PT_makeCharRangeCharacter(string[i])); PT_CharRanges range2 = PT_makeCharRangesSingle( PT_makeCharRangeCharacter(string[i]+ ('a' - 'A'))); symbol = PT_makeSymbolCharClass(PT_concatCharRanges(range1,range2)); } else if (string[i] >= 'a' && string[i] <= 'z') { PT_CharRanges range1 = PT_makeCharRangesSingle( PT_makeCharRangeCharacter(string[i])); PT_CharRanges range2 = PT_makeCharRangesSingle( PT_makeCharRangeCharacter(string[i]- ('a' - 'A'))); symbol = PT_makeSymbolCharClass(PT_concatCharRanges(range2,range1)); } else { symbol = PT_makeSymbolCharClass( PT_makeCharRangesSingle( PT_makeCharRangeCharacter(string[i]))); } symbols = PT_makeSymbolsMany(symbol, symbols); } prod = PT_makeProductionDefault(symbols, symbol, attrs); return PT_makeTreeAppl(prod, args); }