Pseudocode: Generate correct values for postfix increment/decrement

2014-06-23 13:53:08 +04:00
parent 7c837909d8
commit 50228fa085
8 changed files with 123 additions and 4 deletions
@@ -0,0 +1,30 @@
+== bar ==
+fun bar(n: Int) {
+
+}
+---------------------
+=====================
+== foo ==
+fun foo() {
+    var a = 1
+    bar(a++)
+    bar(a--)
+    bar(++a)
+    bar(--a)
+}
+---------------------
+1                                                   <v0>    NEW()
+a                                                   <v1>    NEW()
+a++                                                 <v1>    COPY
+bar(a++)                                            <v3>    NEW(<v1>)
+a                                                   <v4>    NEW()
+a--                                                 <v4>    COPY
+bar(a--)                                            <v6>    NEW(<v4>)
+a                                                   <v7>    NEW()
++a                                                 <v8>    NEW(<v7>)
+bar(++a)                                            <v9>    NEW(<v8>)
+a                                                   <v10>   NEW()
+--a                                                 <v11>   NEW(<v10>)
+bar(--a)                                            <v12>   NEW(<v11>)
+{ var a = 1 bar(a++) bar(a--) bar(++a) bar(--a) }   <v12>   COPY
+=====================