Skylark: Add function 'int'
--
MOS_MIGRATED_REVID=90151316
diff --git a/src/main/java/com/google/devtools/build/lib/packages/MethodLibrary.java b/src/main/java/com/google/devtools/build/lib/packages/MethodLibrary.java
index 267f9ff..7b00ea0 100644
--- a/src/main/java/com/google/devtools/build/lib/packages/MethodLibrary.java
+++ b/src/main/java/com/google/devtools/build/lib/packages/MethodLibrary.java
@@ -673,6 +673,24 @@
}
};
+ @SkylarkBuiltin(name = "int", returnType = Integer.class, doc = "Converts a string to int, "
+ + "using base 10. It raises an error if the conversion fails."
+ + "<pre class=\"language-python\">int(\"123\") == 123</pre>",
+ mandatoryParams = {@Param(name = "x", type = String.class, doc = "The string to convert.")})
+ private static Function int_ =
+ new MixedModeFunction("int", ImmutableList.of("x"), 1, false) {
+ @Override
+ public Object call(Object[] args, FuncallExpression ast)
+ throws EvalException, ConversionException {
+ String str = Type.STRING.convert(args[0], "'int' operand");
+ try {
+ return Integer.parseInt(str);
+ } catch (NumberFormatException e) {
+ throw new EvalException(ast.getLocation(), "invalid literal for int(): " + str);
+ }
+ }
+ };
+
@SkylarkBuiltin(name = "struct", returnType = SkylarkClassObject.class, doc =
"Creates an immutable struct using the keyword arguments as fields. It is used to group "
+ "multiple values together.Example:<br>"
@@ -1109,11 +1127,12 @@
// TODO(bazel-team): String methods are added two times, because there are
// a lot of cases when they are used as global functions in the depot. Those
// should be cleaned up first.
+ .put(bool, SkylarkType.BOOL)
+ .put(int_, SkylarkType.INT)
+ .put(len, SkylarkType.INT)
.put(minus, SkylarkType.INT)
.put(select, SkylarkType.of(SelectorValue.class))
- .put(len, SkylarkType.INT)
.put(str, SkylarkType.STRING)
- .put(bool, SkylarkType.BOOL)
.build();
private static final Map<Function, SkylarkType> skylarkGlobalFunctions = ImmutableMap
