todo related to in-place assignment

compiler/src/prog8/compiler/Main.kt

@@ -192,7 +192,7 @@ private fun writeAssembly(programAst: Program, errors: ErrorReporter, outputDir:
     programAst.processAstBeforeAsmGeneration(errors)
     errors.handle()
 
-    // printAst(programAst)
+    printAst(programAst)    // TODO
 
     val assembly = CompilationTarget.asmGenerator(
             programAst,

examples/test.p8

@@ -4,19 +4,50 @@
 %zeropage basicsafe
 %option enable_floats
 
+; todo: add these to the Expression Simplifier so that all the below assignments become a simple in-place assignment:
+;  (A +/- B) +/- C   ==>  A +/- ( B +/- C)
+;  (A * / B) * / C   ==>  A * / ( B * / C)
+
 
 main {
 
-    float[]  fa = [1,2,3,4]
-
     sub start() {
-        wot("asdfasdf")
-        wot("asdfasdf")
-        wot("asdfasdf1")
-    }
 
-    sub wot(uword text) {
+        ubyte wv
-        c64scr.print(4.4, 1)
+        ubyte wv2
-        c64.CHROUT('\n')
+
+        wv *= wv2
+
+        wv += 10
+        wv += 20
+        wv += 30
+
+        wv += 1 + wv2
+        wv += 2 + wv2
+        wv += 3 + wv2
+
+        wv += wv2 + 1
+        wv += wv2 + 2
+        wv += wv2 + 3
+
+        wv = wv + 1 + wv2
+        wv = wv + 2 + wv2
+        wv = wv + 3 + wv2
+
+        wv = 1 + wv2 + wv
+        wv = 2 + wv2 + wv
+        wv = 3 + wv2 + wv
+
+        wv = wv  + wv2  + 1
+        wv = wv  + wv2  + 2
+        wv = wv  + wv2  + 3
+
+        wv = wv2  + 1 + wv
+        wv = wv2  + 2 + wv
+        wv = wv2  + 3 + wv
+
+        wv = wv2  + wv + 1
+        wv = wv2  + wv + 2
+        wv = wv2  + wv + 3
     }
 }