1*9bb1b549SSpandan Das/* Copyright 2018 The Bazel Authors. All rights reserved. 2*9bb1b549SSpandan Das 3*9bb1b549SSpandan DasLicensed under the Apache License, Version 2.0 (the "License"); 4*9bb1b549SSpandan Dasyou may not use this file except in compliance with the License. 5*9bb1b549SSpandan DasYou may obtain a copy of the License at 6*9bb1b549SSpandan Das 7*9bb1b549SSpandan Das http://www.apache.org/licenses/LICENSE-2.0 8*9bb1b549SSpandan Das 9*9bb1b549SSpandan DasUnless required by applicable law or agreed to in writing, software 10*9bb1b549SSpandan Dasdistributed under the License is distributed on an "AS IS" BASIS, 11*9bb1b549SSpandan DasWITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*9bb1b549SSpandan DasSee the License for the specific language governing permissions and 13*9bb1b549SSpandan Daslimitations under the License. 14*9bb1b549SSpandan Das*/ 15*9bb1b549SSpandan Das 16*9bb1b549SSpandan Das// Package coverdata provides a registration function for files with 17*9bb1b549SSpandan Das// coverage instrumentation. 18*9bb1b549SSpandan Das// 19*9bb1b549SSpandan Das// This package is part of the Bazel Go rules, and its interface 20*9bb1b549SSpandan Das// should not be considered public. It may change without notice. 21*9bb1b549SSpandan Daspackage coverdata 22*9bb1b549SSpandan Das 23*9bb1b549SSpandan Dasimport ( 24*9bb1b549SSpandan Das "fmt" 25*9bb1b549SSpandan Das "testing" 26*9bb1b549SSpandan Das) 27*9bb1b549SSpandan Das 28*9bb1b549SSpandan Das// Contains all coverage data for the program. 29*9bb1b549SSpandan Dasvar ( 30*9bb1b549SSpandan Das Counters = make(map[string][]uint32) 31*9bb1b549SSpandan Das Blocks = make(map[string][]testing.CoverBlock) 32*9bb1b549SSpandan Das) 33*9bb1b549SSpandan Das 34*9bb1b549SSpandan Das// RegisterFile causes the coverage data recorded for a file to be included 35*9bb1b549SSpandan Das// in program-wide coverage reports. This should be called from init functions 36*9bb1b549SSpandan Das// in packages with coverage instrumentation. 37*9bb1b549SSpandan Dasfunc RegisterFile(fileName string, counter []uint32, pos []uint32, numStmts []uint16) { 38*9bb1b549SSpandan Das if 3*len(counter) != len(pos) || len(counter) != len(numStmts) { 39*9bb1b549SSpandan Das panic("coverage: mismatched sizes") 40*9bb1b549SSpandan Das } 41*9bb1b549SSpandan Das if Counters[fileName] != nil { 42*9bb1b549SSpandan Das // Already registered. 43*9bb1b549SSpandan Das fmt.Printf("Already covered %s\n", fileName) 44*9bb1b549SSpandan Das return 45*9bb1b549SSpandan Das } 46*9bb1b549SSpandan Das Counters[fileName] = counter 47*9bb1b549SSpandan Das block := make([]testing.CoverBlock, len(counter)) 48*9bb1b549SSpandan Das for i := range counter { 49*9bb1b549SSpandan Das block[i] = testing.CoverBlock{ 50*9bb1b549SSpandan Das Line0: pos[3*i+0], 51*9bb1b549SSpandan Das Col0: uint16(pos[3*i+2]), 52*9bb1b549SSpandan Das Line1: pos[3*i+1], 53*9bb1b549SSpandan Das Col1: uint16(pos[3*i+2] >> 16), 54*9bb1b549SSpandan Das Stmts: numStmts[i], 55*9bb1b549SSpandan Das } 56*9bb1b549SSpandan Das } 57*9bb1b549SSpandan Das Blocks[fileName] = block 58*9bb1b549SSpandan Das} 59