X-Git-Url: http://svarog.pmf.uns.ac.rs/gitweb/?p=mjc2wsl.git;a=blobdiff_plain;f=src%2Fmjc2wsl.java;h=bc6f4656427485f057a9bfe8e4b4676113b3d616;hp=8ee7852c13a9ff67570e5db945b44caeca8fa0b9;hb=37bd7e6ee3efaa3a310c4cd6ead85cbeda90ca94;hpb=ec5ee9b63f3f86802c8ca1d5fee0e87ef521de98 diff --git a/src/mjc2wsl.java b/src/mjc2wsl.java index 8ee7852..bc6f465 100644 --- a/src/mjc2wsl.java +++ b/src/mjc2wsl.java @@ -219,6 +219,20 @@ public class mjc2wsl{ return ret.toString(); } + private String createStartVar(String... vars){ + StringBuilder ret = new StringBuilder("VAR < "); + ret.append(vars[0] + " := 0"); + for (int i=1; i : "); + + return ret.toString(); + } + + private String createEndVar(){ + return "ENDVAR;"; + } + private String createLocal(int i) { // arrays start at 1 in WSL, so we need an offset return "mjvm_locals[" + (i + 1) + "]"; @@ -339,13 +353,12 @@ public class mjc2wsl{ int mainAdr = get4(); prl(createStandardStart(numberOfWords)); - prl("SKIP;\n ACTIONS A_S_start:\n A_S_start == CALL a" + (14 + mainAdr) - + " END"); + prl("SKIP;\n ACTIONS a" + (14 + mainAdr) + " :"); int op = get(); while (op >= 0) { if (originalInComments) prl(createComment(describeOpCode(op), C_OC)); - prl("a" + counter + " == "); + prl(" a" + counter + " == "); if (genPrintForEachAddress) { prl("PRINT(\"a" + counter + "\");"); if (genPauseAfterEachAddress) @@ -434,17 +447,21 @@ public class mjc2wsl{ break; } case div: { + prl(createStartVar("tempa", "tempb", "tempres")); prl(createTopTwoEStack()); prl("IF tempa = 0 THEN ERROR(\"division by zero\") FI;"); prl("tempres := tempb DIV tempa;"); prl(createToEStack("tempres")); + prl(createEndVar()); break; } case rem: { + prl(createStartVar("tempa", "tempb", "tempres")); prl(createTopTwoEStack()); prl("IF tempa = 0 THEN ERROR(\"division by zero\") FI;"); prl("tempres := tempb MOD tempa;"); prl(createToEStack("tempres")); + prl(createEndVar()); break; } @@ -563,7 +580,7 @@ public class mjc2wsl{ case return_: { // we let the actions return // there is nothing to clean up - prl("SKIP END b" + counter + " =="); + prl("SKIP\n END\n b" + counter + " =="); break; } case enter: { @@ -622,11 +639,11 @@ public class mjc2wsl{ op = get(); if (op >= 0) if (wasJump) - prl("SKIP END"); + prl("SKIP\n END"); else - prl("CALL a" + counter + " END"); + prl("CALL a" + counter + "\n END"); } - prl("\nSKIP END\nENDACTIONS;\n"); + prl("SKIP\n END\nENDACTIONS;\n"); prl(createStandardEnd()); }