// convert assign call statement
private void convert(String returnId, CallExprContext c) {
String function = c.ID().getText();
if (function.equals("strcpy")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
FormalArgumentContext argument2 = c.arguments().formalArgument(1);
String dest = this.variableTrack.get(argument1.ID().getText());
String source = this.variableTrack.get(argument2.ID().getText());
String newDest = generateNewName(dest);
List<String> constraints = StringMethodTranslator.getstrcpyConstraints(newDest, source);
ssa.addAll(constraints);
String returnCon = "(assert (= " + returnId + " " + newDest + "))";
ssa.add(returnCon);
} else if (function.equals("strncpy")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
FormalArgumentContext argument2 = c.arguments().formalArgument(1);
FormalArgumentContext argument3 = c.arguments().formalArgument(2);
String num = argument3.ID().getText();
String dest = this.variableTrack.get(argument1.ID().getText());
String source = this.variableTrack.get(argument2.ID().getText());
String newDest = generateNewName(dest);
List<String> constraints = StringMethodTranslator.getstrncpyConstraints(newDest, source, num);
ssa.addAll(constraints);
String returnCon = "(assert (= " + returnId + " " + newDest + "))";
ssa.add(returnCon);
} else if (function.equals("strcat")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
FormalArgumentContext argument2 = c.arguments().formalArgument(1);
String dest = this.variableTrack.get(argument1.ID().getText());
String source = this.variableTrack.get(argument2.ID().getText());
String newDest = generateNewName(dest);
List<String> constraints = StringMethodTranslator.getStrcatConstraints(dest, source, newDest);
ssa.addAll(constraints);
String returnCon = "(assert (= " + returnId + " " + newDest + "))";
ssa.add(returnCon);
} else if (function.equals("strncat")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
FormalArgumentContext argument2 = c.arguments().formalArgument(1);
FormalArgumentContext argument3 = c.arguments().formalArgument(2);
String dest = this.variableTrack.get(argument1.ID().getText());
String source = this.variableTrack.get(argument2.ID().getText());
String num = argument3.ID().getText();
String newDest = generateNewName(dest);
List<String> constraints =
StringMethodTranslator.getStrncatConstraints(dest, source, num, newDest);
ssa.addAll(constraints);
String returnCon = "(assert (= " + returnId + " " + newDest + "))";
ssa.add(returnCon);
} else if (function.equals("strcmp")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
FormalArgumentContext argument2 = c.arguments().formalArgument(1);
String dest = this.variableTrack.get(argument1.ID().getText());
String source = this.variableTrack.get(argument2.ID().getText());
String compare = StringMethodTranslator.getStrcmpConstraints(dest, source);
String returnCon = "(assert (= " + returnId + " " + compare + "))";
ssa.add(returnCon);
} else if (function.equals("strncmp")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
FormalArgumentContext argument2 = c.arguments().formalArgument(1);
FormalArgumentContext argument3 = c.arguments().formalArgument(2);
String dest = this.variableTrack.get(argument1.ID().getText());
String source = this.variableTrack.get(argument2.ID().getText());
String num = argument3.ID().getText();
String compare = StringMethodTranslator.getStrncmpConstraints(dest, source, num);
String returnCon = "(assert (= " + returnId + " " + compare + "))";
ssa.add(returnCon);
} else if (function.equals("strlen")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
String dest = this.variableTrack.get(argument1.ID().getText());
String len = StringMethodTranslator.getStrlenConstraints(dest);
String returnCon = "(assert (= " + returnId + " " + len + "))";
ssa.add(returnCon);
} else if (function.equals("isdigit")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
String dest = this.variableTrack.get(argument1.ID().getText());
String result = CharMethodTranslator.getIsDigitConstraint(returnId, dest);
ssa.add(result);
} else if (function.equals("isupper")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
String dest = this.variableTrack.get(argument1.ID().getText());
String result = CharMethodTranslator.getIsUpperConstraint(returnId, dest);
ssa.add(result);
} else if (function.equals("islower")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
String dest = this.variableTrack.get(argument1.ID().getText());
String result = CharMethodTranslator.getIsLowerConstraint(returnId, dest);
ssa.add(result);
} else if (function.equals("tolower")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
String dest = this.variableTrack.get(argument1.ID().getText());
String result = CharMethodTranslator.getToLowerConstraint(returnId, dest);
ssa.add(result);
} else if (function.equals("toupper")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
String dest = this.variableTrack.get(argument1.ID().getText());
String result = CharMethodTranslator.getToUpperConstraint(returnId, dest);
ssa.add(result);
}
}
// this is used just for strcpy, strncpy, strncat, strncat
private void convert(CallStatContext callStat) {
CallExprContext c = callStat.callExpr();
String function = c.ID().getText();
if (function.equals("strcpy")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
FormalArgumentContext argument2 = c.arguments().formalArgument(1);
String dest = this.variableTrack.get(argument1.ID().getText());
String source = this.variableTrack.get(argument2.ID().getText());
String newDest = generateNewName(dest);
List<String> constraints = StringMethodTranslator.getstrcpyConstraints(newDest, source);
ssa.addAll(constraints);
} else if (function.equals("strncpy")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
FormalArgumentContext argument2 = c.arguments().formalArgument(1);
FormalArgumentContext argument3 = c.arguments().formalArgument(2);
String num = argument3.ID().getText();
String dest = this.variableTrack.get(argument1.ID().getText());
String source = this.variableTrack.get(argument2.ID().getText());
String newDest = generateNewName(dest);
List<String> constraints = StringMethodTranslator.getstrncpyConstraints(newDest, source, num);
ssa.addAll(constraints);
} else if (function.equals("strcat")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
FormalArgumentContext argument2 = c.arguments().formalArgument(1);
String dest = this.variableTrack.get(argument1.ID().getText());
String source = this.variableTrack.get(argument2.ID().getText());
String newDest = generateNewName(dest);
List<String> constraints = StringMethodTranslator.getStrcatConstraints(dest, source, newDest);
ssa.addAll(constraints);
} else if (function.equals("strncat")) {
FormalArgumentContext argument1 = c.arguments().formalArgument(0);
FormalArgumentContext argument2 = c.arguments().formalArgument(1);
FormalArgumentContext argument3 = c.arguments().formalArgument(2);
String dest = this.variableTrack.get(argument1.ID().getText());
String source = this.variableTrack.get(argument2.ID().getText());
String num = argument3.ID().getText();
String newDest = generateNewName(dest);
List<String> constraints =
StringMethodTranslator.getStrncatConstraints(dest, source, num, newDest);
ssa.addAll(constraints);
} else {
}
}
