1// Copyright 2015 Google Inc. All rights reserved 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package kati 16 17import ( 18 "fmt" 19 "io" 20) 21 22func showDeps(w io.Writer, n *DepNode, indent int, seen map[string]int) { 23 id, present := seen[n.Output] 24 if !present { 25 id = len(seen) 26 seen[n.Output] = id 27 } 28 fmt.Fprintf(w, "%*c%s (%d)\n", indent, ' ', n.Output, id) 29 if present { 30 return 31 } 32 for _, d := range n.Deps { 33 showDeps(w, d, indent+1, seen) 34 } 35 if len(n.OrderOnlys) > 0 { 36 fmt.Fprintf(w, "%*corder_onlys:\n", indent, ' ') 37 for _, d := range n.OrderOnlys { 38 showDeps(w, d, indent+1, seen) 39 } 40 } 41} 42 43func showNode(w io.Writer, n *DepNode) { 44 fmt.Fprintf(w, "%s:", n.Output) 45 for _, i := range n.ActualInputs { 46 fmt.Fprintf(w, " %s", i) 47 } 48 fmt.Fprintf(w, "\n") 49 for _, c := range n.Cmds { 50 fmt.Fprintf(w, "\t%s\n", c) 51 } 52 for k, v := range n.TargetSpecificVars { 53 fmt.Fprintf(w, "%s: %s=%s\n", n.Output, k, v.String()) 54 } 55 56 fmt.Fprintf(w, "\n") 57 fmt.Fprintf(w, "location: %s:%d\n", n.Filename, n.Lineno) 58 if n.IsPhony { 59 fmt.Fprintf(w, "phony: true\n") 60 } 61 62 seen := make(map[string]int) 63 fmt.Fprintf(w, "dependencies:\n") 64 showDeps(w, n, 1, seen) 65} 66 67func handleNodeQuery(w io.Writer, q string, nodes []*DepNode) { 68 for _, n := range nodes { 69 if n.Output == q { 70 showNode(w, n) 71 break 72 } 73 } 74} 75 76// Query queries q in g. 77func Query(w io.Writer, q string, g *DepGraph) { 78 if q == "$MAKEFILE_LIST" { 79 for _, mk := range g.accessedMks { 80 fmt.Fprintf(w, "%s: state=%d\n", mk.Filename, mk.State) 81 } 82 return 83 } 84 85 if q == "$*" { 86 for k, v := range g.vars { 87 fmt.Fprintf(w, "%s=%s\n", k, v.String()) 88 } 89 return 90 } 91 92 if q == "*" { 93 for _, n := range g.nodes { 94 fmt.Fprintf(w, "%s\n", n.Output) 95 } 96 return 97 } 98 handleNodeQuery(w, q, g.nodes) 99} 100