163 lines
3.5 KiB
Go
163 lines
3.5 KiB
Go
package blueprint
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import (
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"fmt"
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"path/filepath"
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"text/scanner"
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)
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type Module interface {
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GenerateBuildActions(ModuleContext)
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}
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type ModuleContext interface {
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ModuleName() string
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OtherModuleName(m Module) string
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ModuleDir() string
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Config() interface{}
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Errorf(pos scanner.Position, fmt string, args ...interface{})
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ModuleErrorf(fmt string, args ...interface{})
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PropertyErrorf(property, fmt string, args ...interface{})
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OtherModuleErrorf(m Module, fmt string, args ...interface{})
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Failed() bool
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Variable(name, value string)
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Rule(name string, params RuleParams, argNames ...string) Rule
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Build(params BuildParams)
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VisitDepsDepthFirst(visit func(Module))
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VisitDepsDepthFirstIf(pred func(Module) bool, visit func(Module))
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AddNinjaFileDeps(deps ...string)
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}
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var _ ModuleContext = (*moduleContext)(nil)
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type moduleContext struct {
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context *Context
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config interface{}
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module Module
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scope *localScope
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info *moduleInfo
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ninjaFileDeps []string
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errs []error
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actionDefs localBuildActions
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}
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func (m *moduleContext) ModuleName() string {
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return m.info.properties.Name
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}
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func (m *moduleContext) OtherModuleName(module Module) string {
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info := m.context.moduleInfo[module]
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return info.properties.Name
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}
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func (m *moduleContext) ModuleDir() string {
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return filepath.Dir(m.info.relBlueprintsFile)
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}
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func (m *moduleContext) Config() interface{} {
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return m.config
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}
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func (m *moduleContext) Errorf(pos scanner.Position, format string,
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args ...interface{}) {
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m.errs = append(m.errs, &Error{
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Err: fmt.Errorf(format, args...),
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Pos: pos,
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})
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}
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func (m *moduleContext) ModuleErrorf(format string, args ...interface{}) {
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m.errs = append(m.errs, &Error{
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Err: fmt.Errorf(format, args...),
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Pos: m.info.pos,
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})
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}
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func (m *moduleContext) PropertyErrorf(property, format string,
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args ...interface{}) {
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pos, ok := m.info.propertyPos[property]
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if !ok {
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panic(fmt.Errorf("property %q was not set for this module", property))
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}
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m.errs = append(m.errs, &Error{
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Err: fmt.Errorf(format, args...),
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Pos: pos,
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})
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}
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func (m *moduleContext) OtherModuleErrorf(module Module, format string,
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args ...interface{}) {
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info := m.context.moduleInfo[module]
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m.errs = append(m.errs, &Error{
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Err: fmt.Errorf(format, args...),
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Pos: info.pos,
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})
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}
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func (m *moduleContext) Failed() bool {
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return len(m.errs) > 0
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}
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func (m *moduleContext) Variable(name, value string) {
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const skip = 2
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m.scope.ReparentToCallerPackage(skip)
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v, err := m.scope.AddLocalVariable(name, value)
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if err != nil {
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panic(err)
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}
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m.actionDefs.variables = append(m.actionDefs.variables, v)
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}
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func (m *moduleContext) Rule(name string, params RuleParams,
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argNames ...string) Rule {
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const skip = 2
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m.scope.ReparentToCallerPackage(skip)
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r, err := m.scope.AddLocalRule(name, ¶ms, argNames...)
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if err != nil {
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panic(err)
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}
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m.actionDefs.rules = append(m.actionDefs.rules, r)
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return r
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}
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func (m *moduleContext) Build(params BuildParams) {
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const skip = 2
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m.scope.ReparentToCallerPackage(skip)
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def, err := parseBuildParams(m.scope, ¶ms)
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if err != nil {
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panic(err)
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}
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m.actionDefs.buildDefs = append(m.actionDefs.buildDefs, def)
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}
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func (m *moduleContext) VisitDepsDepthFirst(visit func(Module)) {
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m.context.visitDepsDepthFirst(m.module, visit)
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}
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func (m *moduleContext) VisitDepsDepthFirstIf(pred func(Module) bool,
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visit func(Module)) {
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m.context.visitDepsDepthFirstIf(m.module, pred, visit)
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}
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func (m *moduleContext) AddNinjaFileDeps(deps ...string) {
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m.ninjaFileDeps = append(m.ninjaFileDeps, deps...)
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}
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