Make tonumber work on boolean input per #3112

docs/content/manual/dev/manual.yml

@@ -1469,13 +1469,14 @@ sections:
         body: |
 
           The `tonumber` function parses its input as a number. It
-          will convert correctly-formatted strings to their numeric
-          equivalent, leave numbers alone, and give an error on all other input.
+          will convert booleans and correctly-formatted strings to
+          their numeric equivalent, leave numbers alone, and give
+          an error on all other input.
 
         examples:
           - program: '.[] | tonumber'
-            input: '[1, "1"]'
-            output: ['1', '1']
+            input: '[1, "1", true]'
+            output: ['1', '1', '1']
 
       - title: "`toboolean`"
         body: |

docs/content/manual/v1.8/manual.yml

@@ -1469,13 +1469,14 @@ sections:
         body: |
 
           The `tonumber` function parses its input as a number. It
-          will convert correctly-formatted strings to their numeric
-          equivalent, leave numbers alone, and give an error on all other input.
+          will convert booleans and correctly-formatted strings to
+          their numeric equivalent, leave numbers alone, and give
+          an error on all other input.
 
         examples:
           - program: '.[] | tonumber'
-            input: '[1, "1"]'
-            output: ['1', '1']
+            input: '[1, "1", true]'
+            output: ['1', '1', '1']
 
       - title: "`toboolean`"
         body: |

src/builtin.c

@@ -469,6 +469,17 @@ static jv f_tonumber(jq_state *jq, jv input) {
     jv_free(input);
     return number;
   }
+  // Handle conversion to bools here. TODO
+  if (jv_get_kind(input) == JV_KIND_TRUE) {
+	  jv number = jv_number(1);
+	  jv_free(input);
+	  return number;
+  }
+  if (jv_get_kind(input) == JV_KIND_FALSE) {
+	  jv number = jv_number(0);
+	  jv_free(input);
+	  return number;
+  }
   return type_error(input, "cannot be parsed as a number");
 }