3f40fa460d
Initial build logic for building android with soong. It can build a variety of C and C++ files for arm/arm64 and host. Change-Id: I10eb37c2c2a50be6af1bb5fd568c0962b9476bf0
143 lines
2.3 KiB
Go
143 lines
2.3 KiB
Go
package parser
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import (
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"text/scanner"
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)
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type MakeThing interface {
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AsAssignment() (Assignment, bool)
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AsComment() (Comment, bool)
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AsDirective() (Directive, bool)
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AsRule() (Rule, bool)
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AsVariable() (Variable, bool)
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Dump() string
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Pos() scanner.Position
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EndPos() scanner.Position
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}
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type Assignment struct {
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makeThing
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Name *MakeString
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Value *MakeString
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Target *MakeString
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Type string
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}
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type Comment struct {
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makeThing
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Comment string
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}
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type Directive struct {
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makeThing
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Name string
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Args *MakeString
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}
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type Rule struct {
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makeThing
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Target *MakeString
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Prerequisites *MakeString
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Recipe string
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}
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type Variable struct {
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makeThing
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Name *MakeString
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}
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type makeThing struct {
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pos scanner.Position
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endPos scanner.Position
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}
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func (m makeThing) Pos() scanner.Position {
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return m.pos
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}
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func (m makeThing) EndPos() scanner.Position {
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return m.endPos
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}
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func (makeThing) AsAssignment() (a Assignment, ok bool) {
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return
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}
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func (a Assignment) AsAssignment() (Assignment, bool) {
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return a, true
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}
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func (a Assignment) Dump() string {
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target := ""
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if a.Target != nil {
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target = a.Target.Dump() + ": "
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}
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return target + a.Name.Dump() + a.Type + a.Value.Dump()
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}
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func (makeThing) AsComment() (c Comment, ok bool) {
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return
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}
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func (c Comment) AsComment() (Comment, bool) {
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return c, true
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}
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func (c Comment) Dump() string {
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return "#" + c.Comment
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}
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func (makeThing) AsDirective() (d Directive, ok bool) {
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return
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}
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func (d Directive) AsDirective() (Directive, bool) {
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return d, true
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}
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func (d Directive) Dump() string {
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return d.Name + " " + d.Args.Dump()
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}
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func (makeThing) AsRule() (r Rule, ok bool) {
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return
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}
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func (r Rule) AsRule() (Rule, bool) {
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return r, true
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}
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func (r Rule) Dump() string {
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recipe := ""
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if r.Recipe != "" {
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recipe = "\n" + r.Recipe
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}
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return "rule: " + r.Target.Dump() + ": " + r.Prerequisites.Dump() + recipe
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}
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func (makeThing) AsVariable() (v Variable, ok bool) {
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return
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}
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func (v Variable) AsVariable() (Variable, bool) {
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return v, true
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}
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func (v Variable) Dump() string {
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return "$(" + v.Name.Dump() + ")"
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}
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type byPosition []MakeThing
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func (s byPosition) Len() int {
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return len(s)
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}
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func (s byPosition) Swap(i, j int) {
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s[i], s[j] = s[j], s[i]
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}
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func (s byPosition) Less(i, j int) bool {
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return s[i].Pos().Offset < s[j].Pos().Offset
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}
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