standalone: Rename output_str to output_strln and add output_str

output_str is for outputting strings without newline, and the newly
introduced output_strln now has the old behavior of ending with a
newline.

nac3standalone/demo/demo.c

@@ -79,6 +79,10 @@ void output_str(struct cslice *slice) {
     for (usize i = 0; i < slice->len; ++i) {
         putchar(data[i]);
     }
+}
+
+void output_strln(struct cslice *slice) {
+    output_str(slice);
     putchar('\n');
 }
 

nac3standalone/demo/interpret_demo.py

@@ -107,6 +107,9 @@ def patch(module):
     def output_float(x):
         print("%f" % x)
 
+    def output_strln(x):
+        print(x, end='')
+
     def dbg_stack_address(_):
         return 0
 
@@ -120,6 +123,8 @@ def patch(module):
             return output_asciiart
         elif name == "output_float64":
             return output_float
+        elif name == "output_str":
+            return output_strln
         elif name in {
             "output_bool",
             "output_int32",
@@ -127,7 +132,7 @@ def patch(module):
             "output_int32_list",
             "output_uint32",
             "output_uint64",
-            "output_str",
+            "output_strln",
         }:
             return print
         elif name == "dbg_stack_address":

nac3standalone/demo/src/classes.py

@@ -7,7 +7,7 @@ def output_int64(x: int64):
     ...
 
 @extern
-def output_str(x: str):
+def output_strln(x: str):
     ...
 
 
@@ -33,7 +33,7 @@ class A:
 
 class Initless:
     def foo(self):
-        output_str("hello")
+        output_strln("hello")
 
 def run() -> int32:
     a = A(10)

nac3standalone/demo/src/demo_test.py

@@ -34,6 +34,10 @@ def output_asciiart(x: int32):
 def output_str(x: str):
     ...
 
+@extern
+def output_strln(x: str):
+    ...
+
 def test_output_bool():
     output_bool(True)
     output_bool(False)
@@ -68,7 +72,8 @@ def test_output_int32_list():
     output_int32_list([0, 1, 3, 5, 10])
 
 def test_output_str_family():
-    output_str("hello world")
+    output_str("hello")
+    output_strln(" world")
 
 def run() -> int32:
     test_output_bool()

nac3standalone/demo/src/loop_try_break.py

@@ -23,11 +23,12 @@ def run() -> int32:
                     output_int32(x)
                     output_str(" * ")
                     output_float64(n / x)
+                    output_str("\n")
             except:  # Assume this is intended to catch x == 0
                 break
         else:
             # loop fell through without finding a factor
             output_int32(n)
-            output_str(" is a prime number")
+            output_str(" is a prime number\n")
 
     return 0