gitweb on Svarog
projekti pod git sistemom za održavanje verzija -- projects under the git version control systemdiff --git a/src/mjc2wsl.java b/src/mjc2wsl.java
--- a/src/mjc2wsl.java
+++ b/src/mjc2wsl.java
private String getTop() {
return cmdFromEStack("tempa");
}
private String getTop() {
return cmdFromEStack("tempa");
}
+
+ private String getRelationFor(int opcode) throws Exception {
+ switch (opcode) {
+ case jeq: return "=";
+ case jne: return "#";
+ case jlt: return "<";
+ case jle: return "<=";
+ case jgt: return ">";
+ case jge: return ">=";
+ }
+ throw new Exception("Wrong opcode for a relation");
+ }
- public void convertStream(InputStream ins){
+ public void convertStream(InputStream ins) throws Exception{
mainIn = ins;
//skip start TODO make better
for (int i = 0; i < 14; i++)
mainIn = ins;
//skip start TODO make better
for (int i = 0; i < 14; i++)
case jgt:
case jge: {
prl(getTopTwo());
case jgt:
case jge: {
prl(getTopTwo());
- prl("IF tempb >= tempa THEN CALL a" + (counter + get2())
+ prl("IF tempb "+ getRelationFor(op)
+ +" tempa THEN CALL a" + (counter + get2())
+ " FI;");
break;
}
+ " FI;");
break;
}
prl(cmdToEStack("tempres"));
break;
}
prl(cmdToEStack("tempres"));
break;
}
+ case sub: {
+ prl(getTopTwo());
+ prl("tempres := tempb - tempa;");
+ prl(cmdToEStack("tempres"));
+ break;
+ }
+ case mul: {
+ prl(getTopTwo());
+ prl("tempres := tempb * tempa;");
+ prl(cmdToEStack("tempres"));
+ break;
+ }
case div: {
prl(getTopTwo());
case div: {
prl(getTopTwo());
- prl("tempres := tempb / tempa;");
+ prl("IF tempa = 0 THEN ERROR(\"division by zero\") FI;");
+ prl("tempres := tempb DIV tempa;");
+ prl(cmdToEStack("tempres"));
+ break;
+ }
+ case rem: {
+ prl(getTopTwo());
+ prl("IF tempa = 0 THEN ERROR(\"division by zero\") FI;");
+ prl("tempres := tempb MOD tempa;");
prl(cmdToEStack("tempres"));
break;
}
prl(cmdToEStack("tempres"));
break;
}