Support the comma operator.

2 files changed, 45 insertions, 0 deletions

diff --git a/libacc/tests/data/comma.c b/libacc/tests/data/comma.c
new file mode 100644
index 0000000..496944c
--- /dev/null
+++ b/libacc/tests/data/comma.c
@@ -0,0 +1,35 @@
+int testReturn() {
+    return 10, 20, 30;
+}
+
+int testArg(int a) {
+    return a;
+}
+
+void testComma() {
+    int a;
+    0, a = 10,20;
+    printf("statement: %d\n", a);
+    a = 1;
+    if (a = 0, 1) {
+        printf("if: a = %d\n", a);
+    }
+    int b = 0;
+    a = 10;
+    while(b++,a--) {}
+    printf("while: b = %d\n", b);
+    b = 0;
+    for(b++,a = 0;b++, a < 10; b++, a++) {}
+    printf("for: b = %d\n", b);
+    b = testReturn();
+    printf("return: %d\n", b);
+    b = testArg((a,12));
+    printf("arg: %d\n", b);
+}
+
+
+
+int main() {
+    testComma();
+    return 0;
+}
diff --git a/libacc/tests/test.py b/libacc/tests/test.py
index 239bb9b..5f9a71e 100644
--- a/libacc/tests/test.py
+++ b/libacc/tests/test.py
@@ -354,6 +354,16 @@ result: 0""", """2 *= 5  10
 16|= 1  17
 """)
 
+    def testcomma(self):
+        self.compileCheck(["-R", "data/comma.c"], """Executing compiled code:
+result: 0""", """statement: 10
+if: a = 0
+while: b = 11
+for: b = 22
+return: 30
+arg: 12
+""")
+
 if __name__ == '__main__':
     if not outputCanRun():
         print "Many tests are expected to fail, because acc is not a 32-bit x86 Linux executable."