Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 1 | package blueprint |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "path/filepath" |
| 6 | ) |
| 7 | |
| 8 | type Module interface { |
| 9 | GenerateBuildActions(ModuleContext) |
| 10 | } |
| 11 | |
| 12 | type ModuleContext interface { |
| 13 | ModuleName() string |
Jamie Gennis | d4c53d8 | 2014-06-22 17:02:55 -0700 | [diff] [blame] | 14 | OtherModuleName(m Module) string |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 15 | ModuleDir() string |
Jamie Gennis | 6eb4d24 | 2014-06-11 18:31:16 -0700 | [diff] [blame] | 16 | Config() interface{} |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 17 | |
| 18 | ModuleErrorf(fmt string, args ...interface{}) |
| 19 | PropertyErrorf(property, fmt string, args ...interface{}) |
Jamie Gennis | d4c53d8 | 2014-06-22 17:02:55 -0700 | [diff] [blame] | 20 | OtherModuleErrorf(m Module, fmt string, args ...interface{}) |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 21 | |
| 22 | Variable(name, value string) |
Jamie Gennis | cbc6f86 | 2014-06-05 20:00:22 -0700 | [diff] [blame] | 23 | Rule(name string, params RuleParams, argNames ...string) Rule |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 24 | Build(params BuildParams) |
| 25 | |
| 26 | VisitDepsDepthFirst(visit func(Module)) |
| 27 | VisitDepsDepthFirstIf(pred func(Module) bool, visit func(Module)) |
Mathias Agopian | 5b8477d | 2014-06-25 17:21:54 -0700 | [diff] [blame^] | 28 | |
| 29 | AddNinjaFileDeps(deps ...string) |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 30 | } |
| 31 | |
| 32 | var _ ModuleContext = (*moduleContext)(nil) |
| 33 | |
| 34 | type moduleContext struct { |
| 35 | context *Context |
Jamie Gennis | 6eb4d24 | 2014-06-11 18:31:16 -0700 | [diff] [blame] | 36 | config interface{} |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 37 | module Module |
| 38 | scope *localScope |
| 39 | info *moduleInfo |
| 40 | |
Mathias Agopian | 5b8477d | 2014-06-25 17:21:54 -0700 | [diff] [blame^] | 41 | ninjaFileDeps []string |
| 42 | errs []error |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 43 | |
| 44 | actionDefs localBuildActions |
| 45 | } |
| 46 | |
| 47 | func (m *moduleContext) ModuleName() string { |
| 48 | return m.info.properties.Name |
| 49 | } |
| 50 | |
Jamie Gennis | d4c53d8 | 2014-06-22 17:02:55 -0700 | [diff] [blame] | 51 | func (m *moduleContext) OtherModuleName(module Module) string { |
| 52 | info := m.context.moduleInfo[module] |
| 53 | return info.properties.Name |
| 54 | } |
| 55 | |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 56 | func (m *moduleContext) ModuleDir() string { |
Jamie Gennis | ec70128 | 2014-06-12 20:06:31 -0700 | [diff] [blame] | 57 | return filepath.Dir(m.info.relBlueprintsFile) |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 58 | } |
| 59 | |
Jamie Gennis | 6eb4d24 | 2014-06-11 18:31:16 -0700 | [diff] [blame] | 60 | func (m *moduleContext) Config() interface{} { |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 61 | return m.config |
| 62 | } |
| 63 | |
| 64 | func (m *moduleContext) ModuleErrorf(format string, args ...interface{}) { |
| 65 | m.errs = append(m.errs, &Error{ |
| 66 | Err: fmt.Errorf(format, args...), |
| 67 | Pos: m.info.pos, |
| 68 | }) |
| 69 | } |
| 70 | |
| 71 | func (m *moduleContext) PropertyErrorf(property, format string, |
| 72 | args ...interface{}) { |
| 73 | |
| 74 | pos, ok := m.info.propertyPos[property] |
| 75 | if !ok { |
| 76 | panic(fmt.Errorf("property %q was not set for this module", property)) |
| 77 | } |
| 78 | |
| 79 | m.errs = append(m.errs, &Error{ |
| 80 | Err: fmt.Errorf(format, args...), |
| 81 | Pos: pos, |
| 82 | }) |
| 83 | } |
| 84 | |
Jamie Gennis | d4c53d8 | 2014-06-22 17:02:55 -0700 | [diff] [blame] | 85 | func (m *moduleContext) OtherModuleErrorf(module Module, format string, |
| 86 | args ...interface{}) { |
| 87 | |
| 88 | info := m.context.moduleInfo[module] |
| 89 | m.errs = append(m.errs, &Error{ |
| 90 | Err: fmt.Errorf(format, args...), |
| 91 | Pos: info.pos, |
| 92 | }) |
| 93 | } |
| 94 | |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 95 | func (m *moduleContext) Variable(name, value string) { |
| 96 | v, err := m.scope.AddLocalVariable(name, value) |
| 97 | if err != nil { |
| 98 | panic(err) |
| 99 | } |
| 100 | |
| 101 | m.actionDefs.variables = append(m.actionDefs.variables, v) |
| 102 | } |
| 103 | |
Jamie Gennis | cbc6f86 | 2014-06-05 20:00:22 -0700 | [diff] [blame] | 104 | func (m *moduleContext) Rule(name string, params RuleParams, |
| 105 | argNames ...string) Rule { |
| 106 | |
Jamie Gennis | cbc6f86 | 2014-06-05 20:00:22 -0700 | [diff] [blame] | 107 | r, err := m.scope.AddLocalRule(name, ¶ms, argNames...) |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 108 | if err != nil { |
| 109 | panic(err) |
| 110 | } |
| 111 | |
| 112 | m.actionDefs.rules = append(m.actionDefs.rules, r) |
| 113 | |
| 114 | return r |
| 115 | } |
| 116 | |
| 117 | func (m *moduleContext) Build(params BuildParams) { |
Jamie Gennis | 1bc967e | 2014-05-27 16:34:41 -0700 | [diff] [blame] | 118 | def, err := parseBuildParams(m.scope, ¶ms) |
| 119 | if err != nil { |
| 120 | panic(err) |
| 121 | } |
| 122 | |
| 123 | m.actionDefs.buildDefs = append(m.actionDefs.buildDefs, def) |
| 124 | } |
| 125 | |
| 126 | func (m *moduleContext) VisitDepsDepthFirst(visit func(Module)) { |
| 127 | m.context.visitDepsDepthFirst(m.module, visit) |
| 128 | } |
| 129 | |
| 130 | func (m *moduleContext) VisitDepsDepthFirstIf(pred func(Module) bool, |
| 131 | visit func(Module)) { |
| 132 | |
| 133 | m.context.visitDepsDepthFirstIf(m.module, pred, visit) |
| 134 | } |
Mathias Agopian | 5b8477d | 2014-06-25 17:21:54 -0700 | [diff] [blame^] | 135 | |
| 136 | func (m *moduleContext) AddNinjaFileDeps(deps ...string) { |
| 137 | m.ninjaFileDeps = append(m.ninjaFileDeps, deps...) |
| 138 | } |