63 lines
2.3 KiB
Go
63 lines
2.3 KiB
Go
// Copyright 2016-2017, Pulumi Corporation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"errors"
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"github.com/pulumi/lumi/pkg/util/cmdutil"
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"github.com/spf13/cobra"
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)
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func newPackVerifyCmd() *cobra.Command {
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var cmd = &cobra.Command{
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Use: "verify [package]",
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Short: "Check that a package's metadata and IL are correct",
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Long: "Check that a package's metadata and IL are correct\n" +
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"\n" +
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"A package contains intermediate language (IL) that encodes symbols, definitions,\n" +
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"and executable code. This IL must obey a set of specific rules for it to be considered\n" +
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"legal and valid. Otherwise, evaluating it will fail.\n" +
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"\n" +
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"The verify command thoroughly checks the package's IL against these rules, and issues\n" +
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"errors anywhere it doesn't obey them. This is generally useful for tools developers\n" +
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"and can ensure that code does not fail at runtime, when such invariants are checked.",
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Run: cmdutil.RunFunc(func(cmd *cobra.Command, args []string) error {
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// Create a compiler object and perform the verification.
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if !verify(cmd, args) {
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return errors.New("verification failed")
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}
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return nil
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}),
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}
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return cmd
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}
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// verify creates a compiler, much like compile, but only performs binding and verification on it. If verification
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// succeeds, the return value is true; if verification fails, errors will have been output, and the return is false.
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func verify(cmd *cobra.Command, args []string) bool {
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// Prepare the compiler info and, provided it succeeds, perform the verification.
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if comp, pkg := prepareCompiler(cmd, args); comp != nil {
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// Now perform the compilation and extract the heap snapshot.
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if pkg == nil {
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return comp.Verify()
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}
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return comp.VerifyPackage(pkg)
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}
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return false
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}
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