Self referencing type fucntions and missing WCHAR

Author: volsa

libs/stdlib/iec61131-st/to_bit.st

@@ -4,6 +4,14 @@ FUNCTION TO_BOOL<T: ANY> : BOOL
     END_VAR
 END_FUNCTION
 
+FUNCTION TO_BOOL__BOOL : BOOL
+    VAR_INPUT
+        in : BOOL;
+    END_VAR
+
+    TO_BOOL__BOOL := in;
+END_FUNCTION
+
 FUNCTION TO_BOOL__BYTE : BOOL
     VAR_INPUT
         in : BYTE;
@@ -44,6 +52,14 @@ FUNCTION TO_BYTE<T: ANY> : BYTE
     END_VAR
 END_FUNCTION
 
+FUNCTION TO_BYTE__BYTE : BYTE
+    VAR_INPUT
+        in : BYTE;
+    END_VAR
+
+    TO_BYTE__BYTE := in;
+END_FUNCTION
+
 FUNCTION TO_BYTE__BOOL : BYTE
     VAR_INPUT
         in : BOOL;
@@ -92,6 +108,14 @@ FUNCTION TO_WORD<T: ANY> : WORD
     END_VAR
 END_FUNCTION
 
+FUNCTION TO_WORD__WORD : WORD
+    VAR_INPUT
+        in : WORD;
+    END_VAR
+
+    TO_WORD__WORD := in;
+END_FUNCTION
+
 FUNCTION TO_WORD__BOOL : WORD
     VAR_INPUT
         in : BOOL;
@@ -108,6 +132,14 @@ FUNCTION TO_WORD__CHAR : WORD
     TO_WORD__CHAR := CHAR_TO_WORD(in);
 END_FUNCTION
 
+FUNCTION TO_WORD__WCHAR : WORD
+    VAR_INPUT
+        in : WCHAR;
+    END_VAR
+
+    TO_WORD__WCHAR := WCHAR_TO_WORD(in);
+END_FUNCTION
+
 FUNCTION TO_WORD__BYTE : WORD
     VAR_INPUT
         in : BYTE;
@@ -140,6 +172,14 @@ FUNCTION TO_DWORD<T: ANY> : DWORD
     END_VAR
 END_FUNCTION
 
+FUNCTION TO_DWORD__DWORD : DWORD
+    VAR_INPUT
+        in : DWORD;
+    END_VAR
+
+    TO_DWORD__DWORD := in;
+END_FUNCTION
+
 FUNCTION TO_DWORD__BOOL : DWORD
     VAR_INPUT
         in : BOOL;
@@ -196,6 +236,14 @@ FUNCTION TO_LWORD<T: ANY> : LWORD
     END_VAR
 END_FUNCTION
 
+FUNCTION TO_LWORD__LWORD : LWORD
+    VAR_INPUT
+        in : LWORD;
+    END_VAR
+
+    TO_LWORD__LWORD := in;
+END_FUNCTION
+
 FUNCTION TO_LWORD__BOOL : LWORD
     VAR_INPUT
         in : BOOL;

tests/lit/single/conversion/to_bit.st

@@ -3,6 +3,8 @@
 
 // RUN: (%COMPILE %s && %RUN) | %CHECK %s
 FUNCTION main
+    printf('%d$N', TO_BOOL(BOOL#FALSE));        // CHECK: 0
+    printf('%d$N', TO_BOOL(BOOL#TRUE));         // CHECK: 1
     printf('%d$N', TO_BOOL(BYTE#0));            // CHECK: 0
     printf('%d$N', TO_BOOL(BYTE#5));            // CHECK: 1
     printf('%d$N', TO_BOOL(WORD#0));            // CHECK: 0
@@ -12,20 +14,24 @@ FUNCTION main
     printf('%d$N', TO_BOOL(LWORD#0));           // CHECK: 0
     printf('%d$N', TO_BOOL(LWORD#5));           // CHECK: 1
 
+    printf('%d$N', TO_BYTE(BYTE#5));            // CHECK: 5
     printf('%d$N', TO_BYTE(BOOL#FALSE));        // CHECK: 0
     printf('%d$N', TO_BYTE(BOOL#TRUE));         // CHECK: 1
     printf('%d$N', TO_BYTE(CHAR#'a'));          // CHECK: 97
     printf('%d$N', TO_BYTE(WORD#5));            // CHECK: 5
     printf('%d$N', TO_BYTE(DWORD#5));           // CHECK: 5
     printf('%d$N', TO_BYTE(LWORD#5));           // CHECK: 5
 
+    printf('%d$N', TO_WORD(WORD#5));            // CHECK: 5
     printf('%d$N', TO_WORD(BOOL#FALSE));        // CHECK: 0
     printf('%d$N', TO_WORD(BOOL#TRUE));         // CHECK: 1
     printf('%d$N', TO_WORD(CHAR#'a'));          // CHECK: 97
+    printf('%d$N', TO_WORD(WCHAR#"a"));         // CHECK: 97
     printf('%d$N', TO_WORD(BYTE#5));            // CHECK: 5
     printf('%d$N', TO_WORD(DWORD#5));           // CHECK: 5
     printf('%d$N', TO_WORD(LWORD#5));           // CHECK: 5
 
+    printf('%d$N', TO_DWORD(DWORD#5));          // CHECK: 5
     printf('%d$N', TO_DWORD(BOOL#FALSE));       // CHECK: 0
     printf('%d$N', TO_DWORD(BOOL#TRUE));        // CHECK: 1
     printf('%d$N', TO_DWORD(CHAR#'a'));         // CHECK: 97
@@ -34,6 +40,7 @@ FUNCTION main
     printf('%d$N', TO_DWORD(WORD#5));           // CHECK: 5
     printf('%d$N', TO_DWORD(LWORD#5));          // CHECK: 5
 
+    printf('%d$N', TO_LWORD(LWORD#5));          // CHECK: 5
     printf('%d$N', TO_LWORD(BOOL#FALSE));       // CHECK: 0
     printf('%d$N', TO_LWORD(BOOL#TRUE));        // CHECK: 1
     printf('%d$N', TO_LWORD(CHAR#'a'));         // CHECK: 97