From 20f617016892048f280b7a786dc80747d15463cd Mon Sep 17 00:00:00 2001
From: Vu Tuan Minh <tuan-minh.vu@etudiant.univ-rennes.fr>
Date: Wed, 30 Apr 2025 09:38:30 +0200
Subject: [PATCH] add ret void pour func void

---
 src/main/antlr/VSLParser.g                    |   4 +++
 src/main/java/TP2/asd/toLLVM_Visitor.java     |  20 +++++++++------
 .../TP2/llvm/PrettyprinterLLVM_Visitor.java   |  23 ++++++++++-------
 tests/aLaMain2.vsl                            |  24 +-----------------
 tests/fragment1/hello_world                   | Bin 0 -> 16016 bytes
 tests/fragment1/print1                        | Bin 0 -> 16008 bytes
 tests/fragment1/print2                        | Bin 0 -> 16000 bytes
 tests/fragment1/print3                        | Bin 0 -> 16008 bytes
 tests/fragment1/print4                        | Bin 0 -> 16360 bytes
 tests/fragment1/sequence                      | Bin 0 -> 16040 bytes
 tests/fragment2/call                          | Bin 0 -> 16040 bytes
 11 files changed, 31 insertions(+), 40 deletions(-)
 create mode 100755 tests/fragment1/hello_world
 create mode 100755 tests/fragment1/print1
 create mode 100755 tests/fragment1/print2
 create mode 100755 tests/fragment1/print3
 create mode 100755 tests/fragment1/print4
 create mode 100755 tests/fragment1/sequence
 create mode 100755 tests/fragment2/call

diff --git a/src/main/antlr/VSLParser.g b/src/main/antlr/VSLParser.g
index ed53161..d6abee3 100644
--- a/src/main/antlr/VSLParser.g
+++ b/src/main/antlr/VSLParser.g
@@ -218,6 +218,10 @@ td_expression returns [Expression out]:
 ;
 
 lit  returns [Expression out]:
+    MINUS n=lit {
+        $out = new BinopExpressionImp(Op.MINUS, new ConstImp(0), $n.out);
+      }
+    |
     NUMBER {
       $out = new ConstImp($NUMBER.int);
     }
diff --git a/src/main/java/TP2/asd/toLLVM_Visitor.java b/src/main/java/TP2/asd/toLLVM_Visitor.java
index 2db14ab..667909f 100644
--- a/src/main/java/TP2/asd/toLLVM_Visitor.java
+++ b/src/main/java/TP2/asd/toLLVM_Visitor.java
@@ -78,8 +78,8 @@ public class toLLVM_Visitor implements  ProgramVisitor<SymTable,ProgramLLVMImp>,
             if(!(instrLLVM.getLast() instanceof ReturnLLVMImp || instrLLVM.getLast() instanceof BrLLVMImp)){
                 instrLLVM.add(new ReturnLLVMImp(type, new ValLLVMImp(type,0)));
             }
-        }else {
-            //TODO
+        }else if(type instanceof VoidLLVMImp){
+            instrLLVM.add(new ReturnLLVMImp(type,null));
         }
         DefineLLVMImp define = new DefineLLVMImp(fun.nom(), type, paramsLLVM, instrLLVM);
         return define;
@@ -138,14 +138,18 @@ public class toLLVM_Visitor implements  ProgramVisitor<SymTable,ProgramLLVMImp>,
 
     @Override
     public ArrayList<InstructionLLVM> visitReturn(Return_instrImp instr, SymTable h) {
-        InstrAndVal res = instr.e().accept(this,h);
-        ValLLVM var = res.val;
-
-        InstructionLLVM r = new ReturnLLVMImp(var.getType(),var);
         ArrayList<InstructionLLVM> result = new ArrayList<>();
-        result.addAll(res.instrs);
-        result.add(r);
+        //ret void
+        if (instr.e() == null) {
+            result.add(new ReturnLLVMImp(new VoidLLVMImp(), null));
+        }else{
+            InstrAndVal res = instr.e().accept(this,h);
+            ValLLVM var = res.val;
 
+            InstructionLLVM r = new ReturnLLVMImp(var.getType(),var);
+            result.addAll(res.instrs);
+            result.add(r);
+        }
         return result;
     }
 
diff --git a/src/main/java/TP2/llvm/PrettyprinterLLVM_Visitor.java b/src/main/java/TP2/llvm/PrettyprinterLLVM_Visitor.java
index c7c9004..5b28208 100644
--- a/src/main/java/TP2/llvm/PrettyprinterLLVM_Visitor.java
+++ b/src/main/java/TP2/llvm/PrettyprinterLLVM_Visitor.java
@@ -62,7 +62,11 @@ TypeLLVMVisitor<String,String>
 
     @Override
     public String visitReturnLLVM(ReturnLLVMImp instr, String h) {
-        return INDENT+"ret " + instr.type().accept(this, h) + " " + instr.e().accept(this, h);
+        if (instr.e() == null) {
+            return INDENT + "ret " + instr.type().accept(this, h);
+        } else {
+            return INDENT + "ret " + instr.type().accept(this, h) + " " + instr.e().accept(this, h);
+        }
     }
 
     @Override
@@ -128,31 +132,32 @@ TypeLLVMVisitor<String,String>
 
     @Override
     public String visitCallLLVM(CallLLVMImp instr, String h) {
-        String str = "call " + instr.str() + instr.f().type().accept(this, h) + " @"+instr.f().name() + "(";
-        for(int i = 0; i<instr.params().size(); i++){
-            str += instr.params().get(i).getType().accept(this, h) + " " + instr.params().get(i).accept(this,h);
-            if(i<instr.params().size()-1) str += ", ";
+        String str = "call " + instr.f().type().accept(this, h) + " (" + instr.str() + ") @" + instr.f().name() + "(";
+
+        for (int i = 0; i < instr.params().size(); i++) {
+            str += instr.params().get(i).getType().accept(this, h) + " " + instr.params().get(i).accept(this, h);
+            if (i < instr.params().size() - 1) str += ", ";
         }
-        return str + ")";
+    return str + ")";
     }
 
     @Override
     public String visitPrintLLVM(PrintLLVMImp instr, String h) { //TODO
         DefineLLVMImp printLLVM = new DefineLLVMImp("printf", new IntLLVMImp(), new ArrayList<>(), new ArrayList<>());
-        CallLLVMImp callPrint = new CallLLVMImp(printLLVM, instr.l(),"(i8*,...) ");
+        CallLLVMImp callPrint = new CallLLVMImp(printLLVM, instr.l(),"i8*, ...");
         return callPrint.accept(this, h);
     }
 
     @Override
     public String visitScanLLVM(ScanLLVMImp instr, String h) { //TODO
         DefineLLVMImp readLLVM = new DefineLLVMImp("scanf", new IntLLVMImp(), new ArrayList<>(), new ArrayList<>());
-        CallLLVMImp callRead = new CallLLVMImp(readLLVM, instr.l(),"(i8*,...) ");
+        CallLLVMImp callRead = new CallLLVMImp(readLLVM, instr.l(),"i8*, ...");
         return callRead.accept(this, h);
     }
 
     @Override
     public String visitDeclarGlobalLLVM(DeclarGlobalLLVMImp instr, String h) {
-        String str = "@."+instr.var().nom() + " = global";
+        String str = "@"+instr.var().nom() + " = global";
         str += " [" + instr.size() + " x "+ instr.type().accept(this, h) + "] ";
         str+= "c\""+ instr.str()+"\"\n";
 
diff --git a/tests/aLaMain2.vsl b/tests/aLaMain2.vsl
index 7dea56d..ceb7520 100644
--- a/tests/aLaMain2.vsl
+++ b/tests/aLaMain2.vsl
@@ -1,23 +1 @@
-FUNC INT test1(a,b){
-    a := a+b
-}
-
-FUNC INT test2(a,b){
-    IF a
-    THEN
-        RETURN a
-    FI
-}
-
-FUNC INT test3(a,b){
-    IF a
-    THEN
-        RETURN a
-    ELSE
-        RETURN b
-    FI
-}
-
-FUNC INT main(x,y) {
-    x := test1(x,y)
-}
+FUNC VOID main() PRINT 1
diff --git a/tests/fragment1/hello_world b/tests/fragment1/hello_world
new file mode 100755
index 0000000000000000000000000000000000000000..b94fac9a64902bc9fe13b94c0cec80f0b6d0d95d
GIT binary patch
literal 16016
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literal 0
HcmV?d00001

diff --git a/tests/fragment1/print1 b/tests/fragment1/print1
new file mode 100755
index 0000000000000000000000000000000000000000..f9faf290f335ea5b34daa0fd77eefc0a7df7519c
GIT binary patch
literal 16008
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literal 0
HcmV?d00001

diff --git a/tests/fragment1/print2 b/tests/fragment1/print2
new file mode 100755
index 0000000000000000000000000000000000000000..ba8955feb30aa67d4ed1b0066ab288b5022d1eed
GIT binary patch
literal 16000
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diff --git a/tests/fragment1/sequence b/tests/fragment1/sequence
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diff --git a/tests/fragment2/call b/tests/fragment2/call
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