Slightly tweak how functions are suggested in not found error messages (#1243)

Author: Akuli

compiler/typecheck/step3_function_and_method_bodies.jou

@@ -770,9 +770,9 @@ def typecheck_call(state: State*, call: AstCall*, location: Location) -> Type*:
             snprintf(msg, sizeof(msg), "function '%s' not found", call.function.varname)
             match call.function.varname with strcmp:
                 case "print":
-                    strcat(msg, ", try 'printf' from \"stdlib/io.jou\"")
+                    strcat(msg, ", try printf() from \"stdlib/io.jou\"")
                 case "input":
-                    strcat(msg, ", try 'fgets' from \"stdlib/io.jou\"")
+                    strcat(msg, ", try fgets() from \"stdlib/io.jou\"")
             fail(call.function.location, msg)
 
         funcptr_type = typecheck_expression_not_void(state, call.function, NULL)
@@ -1242,11 +1242,11 @@ def typecheck_expression(state: State*, expr: AstExpression*, type_hint: Type*)
                         snprintf(msg, sizeof(msg), "no variable named '%s'", expr.varname)
                         match expr.varname with strcmp:
                             case "stdin":
-                                strcat(msg, ", try 'get_stdin()' from \"stdlib/io.jou\"")
+                                strcat(msg, ", try get_stdin() from \"stdlib/io.jou\"")
                             case "stdout":
-                                strcat(msg, ", try 'get_stdout()' from \"stdlib/io.jou\"")
+                                strcat(msg, ", try get_stdout() from \"stdlib/io.jou\"")
                             case "stderr":
-                                strcat(msg, ", try 'get_stderr()' from \"stdlib/io.jou\"")
+                                strcat(msg, ", try get_stderr() from \"stdlib/io.jou\"")
                             case "Null" | "null":
                                 strcat(msg, ", try NULL")
                             case "TRUE" | "true":

tests/404/python_input_function.jou

@@ -1,2 +1,2 @@
-def main() -> int:
-    name = input("What's your name? ")  # Error: function 'input' not found, try 'fgets' from "stdlib/io.jou"
+def blah() -> None:
+    name = input("What's your name? ")  # Error: function 'input' not found, try fgets() from "stdlib/io.jou"

tests/404/python_print_function.jou

@@ -1,2 +1,2 @@
-def main() -> int:
-    print("Hello")  # Error: function 'print' not found, try 'printf' from "stdlib/io.jou"
+def blah() -> None:
+    print("Hello")  # Error: function 'print' not found, try printf() from "stdlib/io.jou"

tests/404/stderr.jou

@@ -1,4 +1,4 @@
 import "stdlib/io.jou"
 
-def main() -> int:
-    fprintf(stderr, "hi\n")  # Error: no variable named 'stderr', try 'get_stderr()' from "stdlib/io.jou"
+def blah() -> None:
+    fprintf(stderr, "hi\n")  # Error: no variable named 'stderr', try get_stderr() from "stdlib/io.jou"

tests/404/stdin.jou

@@ -1,5 +1,5 @@
 import "stdlib/io.jou"
 
-def main() -> int:
+def blah() -> None:
     line: byte[100]
-    fgets(line, sizeof(line), stdin)  # Error: no variable named 'stdin', try 'get_stdin()' from "stdlib/io.jou"
+    fgets(line, sizeof(line), stdin)  # Error: no variable named 'stdin', try get_stdin() from "stdlib/io.jou"

tests/404/stdout.jou

@@ -1,4 +1,4 @@
 import "stdlib/io.jou"
 
-def main() -> int:
-    fprintf(stdout, "hi\n")  # Error: no variable named 'stdout', try 'get_stdout()' from "stdlib/io.jou"
+def blah() -> None:
+    fprintf(stdout, "hi\n")  # Error: no variable named 'stdout', try get_stdout() from "stdlib/io.jou"