Refactor knownFunctions
By having knownFunctions contain parsing interfaces
instead of just metadata about the function, we can
remove some hardcoded special cases.
Bug: 201700692
Test: go test
Change-Id: I1723c7f50b72d42b03380e999aa9601b455a969e
diff --git a/mk2rbc/expr.go b/mk2rbc/expr.go
index 7cd4899..e78f492 100644
--- a/mk2rbc/expr.go
+++ b/mk2rbc/expr.go
@@ -119,6 +119,29 @@
}
}
+type globalsExpr struct {
+}
+
+func (g *globalsExpr) emit(gctx *generationContext) {
+ gctx.write("g")
+}
+
+func (g *globalsExpr) typ() starlarkType {
+ return starlarkTypeUnknown
+}
+
+func (g *globalsExpr) emitListVarCopy(gctx *generationContext) {
+ g.emit(gctx)
+}
+
+func (g *globalsExpr) transform(transformer func(expr starlarkExpr) starlarkExpr) starlarkExpr {
+ if replacement := transformer(g); replacement != nil {
+ return replacement
+ } else {
+ return g
+ }
+}
+
// interpolateExpr represents Starlark's interpolation operator <string> % list
// we break <string> into a list of chunks, i.e., "first%second%third" % (X, Y)
// will have chunks = ["first", "second", "third"] and args = [X, Y]
@@ -322,35 +345,6 @@
}
func (eq *eqExpr) emit(gctx *generationContext) {
- var stringOperand string
- var otherOperand starlarkExpr
- if s, ok := maybeString(eq.left); ok {
- stringOperand = s
- otherOperand = eq.right
- } else if s, ok := maybeString(eq.right); ok {
- stringOperand = s
- otherOperand = eq.left
- }
-
- // If we've identified one of the operands as being a string literal, check
- // for some special cases we can do to simplify the resulting expression.
- if otherOperand != nil {
- if stringOperand == "" {
- if eq.isEq {
- gctx.write("not ")
- }
- otherOperand.emit(gctx)
- return
- }
- if stringOperand == "true" && otherOperand.typ() == starlarkTypeBool {
- if !eq.isEq {
- gctx.write("not ")
- }
- otherOperand.emit(gctx)
- return
- }
- }
-
if eq.left.typ() != eq.right.typ() {
eq.left = &toStringExpr{expr: eq.left}
eq.right = &toStringExpr{expr: eq.right}
@@ -594,29 +588,15 @@
}
func (cx *callExpr) emit(gctx *generationContext) {
- sep := ""
if cx.object != nil {
gctx.write("(")
cx.object.emit(gctx)
gctx.write(")")
gctx.write(".", cx.name, "(")
} else {
- kf, found := knownFunctions[cx.name]
- if !found {
- panic(fmt.Errorf("callExpr with unknown function %q", cx.name))
- }
- if kf.runtimeName[0] == '!' {
- panic(fmt.Errorf("callExpr for %q should not be there", cx.name))
- }
- gctx.write(kf.runtimeName, "(")
- if kf.hiddenArg == hiddenArgGlobal {
- gctx.write("g")
- sep = ", "
- } else if kf.hiddenArg == hiddenArgConfig {
- gctx.write("cfg")
- sep = ", "
- }
+ gctx.write(cx.name, "(")
}
+ sep := ""
for _, arg := range cx.args {
gctx.write(sep)
arg.emit(gctx)
diff --git a/mk2rbc/mk2rbc.go b/mk2rbc/mk2rbc.go
index 2a80e56..04038e4 100644
--- a/mk2rbc/mk2rbc.go
+++ b/mk2rbc/mk2rbc.go
@@ -54,7 +54,6 @@
cfnMain = baseName + ".product_configuration"
cfnBoardMain = baseName + ".board_configuration"
cfnPrintVars = baseName + ".printvars"
- cfnPrintGlobals = baseName + ".printglobals"
cfnWarning = baseName + ".warning"
cfnLocalAppend = baseName + ".local_append"
cfnLocalSetDefault = baseName + ".local_set_default"
@@ -63,92 +62,73 @@
)
const (
- // Phony makefile functions, they are eventually rewritten
- // according to knownFunctions map
- fileExistsPhony = "$file_exists"
- // The following two macros are obsolete, and will we deleted once
- // there are deleted from the makefiles:
- soongConfigNamespaceOld = "add_soong_config_namespace"
- soongConfigVarSetOld = "add_soong_config_var_value"
- soongConfigAppend = "soong_config_append"
- soongConfigAssign = "soong_config_set"
- soongConfigGet = "soong_config_get"
- wildcardExistsPhony = "$wildcard_exists"
+ soongConfigAppend = "soong_config_append"
+ soongConfigAssign = "soong_config_set"
)
-const (
- callLoadAlways = "inherit-product"
- callLoadIf = "inherit-product-if-exists"
-)
-
-var knownFunctions = map[string]struct {
- // The name of the runtime function this function call in makefiles maps to.
- // If it starts with !, then this makefile function call is rewritten to
- // something else.
- runtimeName string
- returnType starlarkType
- hiddenArg hiddenArgType
+var knownFunctions = map[string]interface {
+ parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr
}{
- "abspath": {baseName + ".abspath", starlarkTypeString, hiddenArgNone},
- fileExistsPhony: {baseName + ".file_exists", starlarkTypeBool, hiddenArgNone},
- wildcardExistsPhony: {baseName + ".file_wildcard_exists", starlarkTypeBool, hiddenArgNone},
- soongConfigNamespaceOld: {baseName + ".soong_config_namespace", starlarkTypeVoid, hiddenArgGlobal},
- soongConfigVarSetOld: {baseName + ".soong_config_set", starlarkTypeVoid, hiddenArgGlobal},
- soongConfigAssign: {baseName + ".soong_config_set", starlarkTypeVoid, hiddenArgGlobal},
- soongConfigAppend: {baseName + ".soong_config_append", starlarkTypeVoid, hiddenArgGlobal},
- soongConfigGet: {baseName + ".soong_config_get", starlarkTypeString, hiddenArgGlobal},
- "add-to-product-copy-files-if-exists": {baseName + ".copy_if_exists", starlarkTypeList, hiddenArgNone},
- "addprefix": {baseName + ".addprefix", starlarkTypeList, hiddenArgNone},
- "addsuffix": {baseName + ".addsuffix", starlarkTypeList, hiddenArgNone},
- "copy-files": {baseName + ".copy_files", starlarkTypeList, hiddenArgNone},
- "dir": {baseName + ".dir", starlarkTypeList, hiddenArgNone},
- "dist-for-goals": {baseName + ".mkdist_for_goals", starlarkTypeVoid, hiddenArgGlobal},
- "enforce-product-packages-exist": {baseName + ".enforce_product_packages_exist", starlarkTypeVoid, hiddenArgNone},
- "error": {baseName + ".mkerror", starlarkTypeVoid, hiddenArgNone},
- "findstring": {baseName + ".findstring", starlarkTypeString, hiddenArgNone},
- "find-copy-subdir-files": {baseName + ".find_and_copy", starlarkTypeList, hiddenArgNone},
- "find-word-in-list": {"!find-word-in-list", starlarkTypeUnknown, hiddenArgNone}, // internal macro
- "filter": {baseName + ".filter", starlarkTypeList, hiddenArgNone},
- "filter-out": {baseName + ".filter_out", starlarkTypeList, hiddenArgNone},
- "firstword": {"!firstword", starlarkTypeString, hiddenArgNone},
- "foreach": {"!foreach", starlarkTypeList, hiddenArgNone},
- "get-vendor-board-platforms": {"!get-vendor-board-platforms", starlarkTypeList, hiddenArgNone}, // internal macro, used by is-board-platform, etc.
- "if": {"!if", starlarkTypeUnknown, hiddenArgNone},
- "info": {baseName + ".mkinfo", starlarkTypeVoid, hiddenArgNone},
- "is-android-codename": {"!is-android-codename", starlarkTypeBool, hiddenArgNone}, // unused by product config
- "is-android-codename-in-list": {"!is-android-codename-in-list", starlarkTypeBool, hiddenArgNone}, // unused by product config
- "is-board-platform": {"!is-board-platform", starlarkTypeBool, hiddenArgNone},
- "is-board-platform2": {baseName + ".board_platform_is", starlarkTypeBool, hiddenArgGlobal},
- "is-board-platform-in-list": {"!is-board-platform-in-list", starlarkTypeBool, hiddenArgNone},
- "is-board-platform-in-list2": {baseName + ".board_platform_in", starlarkTypeBool, hiddenArgGlobal},
- "is-chipset-in-board-platform": {"!is-chipset-in-board-platform", starlarkTypeUnknown, hiddenArgNone}, // unused by product config
- "is-chipset-prefix-in-board-platform": {"!is-chipset-prefix-in-board-platform", starlarkTypeBool, hiddenArgNone}, // unused by product config
- "is-not-board-platform": {"!is-not-board-platform", starlarkTypeBool, hiddenArgNone}, // defined but never used
- "is-platform-sdk-version-at-least": {"!is-platform-sdk-version-at-least", starlarkTypeBool, hiddenArgNone}, // unused by product config
- "is-product-in-list": {"!is-product-in-list", starlarkTypeBool, hiddenArgNone},
- "is-vendor-board-platform": {"!is-vendor-board-platform", starlarkTypeBool, hiddenArgNone},
- "is-vendor-board-qcom": {"!is-vendor-board-qcom", starlarkTypeBool, hiddenArgNone},
- callLoadAlways: {"!inherit-product", starlarkTypeVoid, hiddenArgNone},
- callLoadIf: {"!inherit-product-if-exists", starlarkTypeVoid, hiddenArgNone},
- "lastword": {"!lastword", starlarkTypeString, hiddenArgNone},
- "match-prefix": {"!match-prefix", starlarkTypeUnknown, hiddenArgNone}, // internal macro
- "match-word": {"!match-word", starlarkTypeUnknown, hiddenArgNone}, // internal macro
- "match-word-in-list": {"!match-word-in-list", starlarkTypeUnknown, hiddenArgNone}, // internal macro
- "notdir": {baseName + ".notdir", starlarkTypeString, hiddenArgNone},
- "my-dir": {"!my-dir", starlarkTypeString, hiddenArgNone},
- "patsubst": {baseName + ".mkpatsubst", starlarkTypeString, hiddenArgNone},
- "product-copy-files-by-pattern": {baseName + ".product_copy_files_by_pattern", starlarkTypeList, hiddenArgNone},
- "require-artifacts-in-path": {baseName + ".require_artifacts_in_path", starlarkTypeVoid, hiddenArgNone},
- "require-artifacts-in-path-relaxed": {baseName + ".require_artifacts_in_path_relaxed", starlarkTypeVoid, hiddenArgNone},
+ "abspath": &simpleCallParser{name: baseName + ".abspath", returnType: starlarkTypeString, addGlobals: false},
+ "add_soong_config_namespace": &simpleCallParser{name: baseName + ".soong_config_namespace", returnType: starlarkTypeVoid, addGlobals: true},
+ "add_soong_config_var_value": &simpleCallParser{name: baseName + ".soong_config_set", returnType: starlarkTypeVoid, addGlobals: true},
+ soongConfigAssign: &simpleCallParser{name: baseName + ".soong_config_set", returnType: starlarkTypeVoid, addGlobals: true},
+ soongConfigAppend: &simpleCallParser{name: baseName + ".soong_config_append", returnType: starlarkTypeVoid, addGlobals: true},
+ "soong_config_get": &simpleCallParser{name: baseName + ".soong_config_get", returnType: starlarkTypeString, addGlobals: true},
+ "add-to-product-copy-files-if-exists": &simpleCallParser{name: baseName + ".copy_if_exists", returnType: starlarkTypeList, addGlobals: false},
+ "addprefix": &simpleCallParser{name: baseName + ".addprefix", returnType: starlarkTypeList, addGlobals: false},
+ "addsuffix": &simpleCallParser{name: baseName + ".addsuffix", returnType: starlarkTypeList, addGlobals: false},
+ "copy-files": &simpleCallParser{name: baseName + ".copy_files", returnType: starlarkTypeList, addGlobals: false},
+ "dir": &simpleCallParser{name: baseName + ".dir", returnType: starlarkTypeList, addGlobals: false},
+ "dist-for-goals": &simpleCallParser{name: baseName + ".mkdist_for_goals", returnType: starlarkTypeVoid, addGlobals: true},
+ "enforce-product-packages-exist": &simpleCallParser{name: baseName + ".enforce_product_packages_exist", returnType: starlarkTypeVoid, addGlobals: false},
+ "error": &makeControlFuncParser{name: baseName + ".mkerror"},
+ "findstring": &simpleCallParser{name: baseName + ".findstring", returnType: starlarkTypeInt, addGlobals: false},
+ "find-copy-subdir-files": &simpleCallParser{name: baseName + ".find_and_copy", returnType: starlarkTypeList, addGlobals: false},
+ "filter": &simpleCallParser{name: baseName + ".filter", returnType: starlarkTypeList, addGlobals: false},
+ "filter-out": &simpleCallParser{name: baseName + ".filter_out", returnType: starlarkTypeList, addGlobals: false},
+ "firstword": &firstOrLastwordCallParser{isLastWord: false},
+ "foreach": &foreachCallPaser{},
+ "if": &ifCallParser{},
+ "info": &makeControlFuncParser{name: baseName + ".mkinfo"},
+ "is-board-platform": &isBoardPlatformCallParser{},
+ "is-board-platform2": &simpleCallParser{name: baseName + ".board_platform_is", returnType: starlarkTypeBool, addGlobals: true},
+ "is-board-platform-in-list": &isBoardPlatformInListCallParser{},
+ "is-board-platform-in-list2": &simpleCallParser{name: baseName + ".board_platform_in", returnType: starlarkTypeBool, addGlobals: true},
+ "is-product-in-list": &isProductInListCallParser{},
+ "is-vendor-board-platform": &isVendorBoardPlatformCallParser{},
+ "is-vendor-board-qcom": &isVendorBoardQcomCallParser{},
+ "lastword": &firstOrLastwordCallParser{isLastWord: true},
+ "notdir": &simpleCallParser{name: baseName + ".notdir", returnType: starlarkTypeString, addGlobals: false},
+ "my-dir": &myDirCallParser{},
+ "patsubst": &substCallParser{fname: "patsubst"},
+ "product-copy-files-by-pattern": &simpleCallParser{name: baseName + ".product_copy_files_by_pattern", returnType: starlarkTypeList, addGlobals: false},
+ "require-artifacts-in-path": &simpleCallParser{name: baseName + ".require_artifacts_in_path", returnType: starlarkTypeVoid, addGlobals: false},
+ "require-artifacts-in-path-relaxed": &simpleCallParser{name: baseName + ".require_artifacts_in_path_relaxed", returnType: starlarkTypeVoid, addGlobals: false},
// TODO(asmundak): remove it once all calls are removed from configuration makefiles. see b/183161002
- "shell": {baseName + ".shell", starlarkTypeString, hiddenArgNone},
- "strip": {baseName + ".mkstrip", starlarkTypeString, hiddenArgNone},
- "tb-modules": {"!tb-modules", starlarkTypeUnknown, hiddenArgNone}, // defined in hardware/amlogic/tb_modules/tb_detect.mk, unused
- "subst": {baseName + ".mksubst", starlarkTypeString, hiddenArgNone},
- "warning": {baseName + ".mkwarning", starlarkTypeVoid, hiddenArgNone},
- "word": {baseName + "!word", starlarkTypeString, hiddenArgNone},
- "wildcard": {baseName + ".expand_wildcard", starlarkTypeList, hiddenArgNone},
- "words": {baseName + ".words", starlarkTypeList, hiddenArgNone},
+ "shell": &shellCallParser{},
+ "strip": &simpleCallParser{name: baseName + ".mkstrip", returnType: starlarkTypeString, addGlobals: false},
+ "subst": &substCallParser{fname: "subst"},
+ "warning": &makeControlFuncParser{name: baseName + ".mkwarning"},
+ "word": &wordCallParser{},
+ "wildcard": &simpleCallParser{name: baseName + ".expand_wildcard", returnType: starlarkTypeList, addGlobals: false},
+}
+
+// These are functions that we don't implement conversions for, but
+// we allow seeing their definitions in the product config files.
+var ignoredDefines = map[string]bool{
+ "find-word-in-list": true, // internal macro
+ "get-vendor-board-platforms": true, // internal macro, used by is-board-platform, etc.
+ "is-android-codename": true, // unused by product config
+ "is-android-codename-in-list": true, // unused by product config
+ "is-chipset-in-board-platform": true, // unused by product config
+ "is-chipset-prefix-in-board-platform": true, // unused by product config
+ "is-not-board-platform": true, // defined but never used
+ "is-platform-sdk-version-at-least": true, // unused by product config
+ "match-prefix": true, // internal macro
+ "match-word": true, // internal macro
+ "match-word-in-list": true, // internal macro
+ "tb-modules": true, // defined in hardware/amlogic/tb_modules/tb_detect.mk, unused
}
var identifierFullMatchRegex = regexp.MustCompile("^[a-zA-Z_][a-zA-Z0-9_]*$")
@@ -641,8 +621,8 @@
for _, ns := range strings.Fields(s) {
ctx.addSoongNamespace(ns)
ctx.receiver.newNode(&exprNode{&callExpr{
- name: soongConfigNamespaceOld,
- args: []starlarkExpr{&stringLiteralExpr{ns}},
+ name: baseName + ".soong_config_namespace",
+ args: []starlarkExpr{&globalsExpr{}, &stringLiteralExpr{ns}},
returnType: starlarkTypeVoid,
}})
}
@@ -691,13 +671,13 @@
ctx.errorf(asgn, "no %s variable in %s namespace, please use add_soong_config_var_value instead", varName, namespaceName)
return
}
- fname := soongConfigAssign
+ fname := baseName + "." + soongConfigAssign
if asgn.Type == "+=" {
- fname = soongConfigAppend
+ fname = baseName + "." + soongConfigAppend
}
ctx.receiver.newNode(&exprNode{&callExpr{
name: fname,
- args: []starlarkExpr{&stringLiteralExpr{namespaceName}, &stringLiteralExpr{varName}, val},
+ args: []starlarkExpr{&globalsExpr{}, &stringLiteralExpr{namespaceName}, &stringLiteralExpr{varName}, val},
returnType: starlarkTypeVoid,
}})
}
@@ -878,7 +858,13 @@
return res
}
-func (ctx *parseContext) handleInheritModule(v mkparser.Node, pathExpr starlarkExpr, loadAlways bool) {
+func (ctx *parseContext) handleInheritModule(v mkparser.Node, args *mkparser.MakeString, loadAlways bool) {
+ args.TrimLeftSpaces()
+ args.TrimRightSpaces()
+ pathExpr := ctx.parseMakeString(v, args)
+ if _, ok := pathExpr.(*badExpr); ok {
+ ctx.errorf(v, "Unable to parse argument to inherit")
+ }
ctx.handleSubConfig(v, pathExpr, loadAlways, func(im inheritedModule) {
ctx.receiver.newNode(&inheritNode{im, loadAlways})
})
@@ -897,36 +883,40 @@
// $(info xxx)
// $(warning xxx)
// $(error xxx)
+ // $(call other-custom-functions,...)
+
+ // inherit-product(-if-exists) gets converted to a series of statements,
+ // not just a single expression like parseReference returns. So handle it
+ // separately at the beginning here.
+ if strings.HasPrefix(v.Name.Dump(), "call inherit-product,") {
+ args := v.Name.Clone()
+ args.ReplaceLiteral("call inherit-product,", "")
+ ctx.handleInheritModule(v, args, true)
+ return
+ }
+ if strings.HasPrefix(v.Name.Dump(), "call inherit-product-if-exists,") {
+ args := v.Name.Clone()
+ args.ReplaceLiteral("call inherit-product-if-exists,", "")
+ ctx.handleInheritModule(v, args, false)
+ return
+ }
expr := ctx.parseReference(v, v.Name)
switch x := expr.(type) {
case *callExpr:
- if x.name == callLoadAlways || x.name == callLoadIf {
- ctx.handleInheritModule(v, x.args[0], x.name == callLoadAlways)
- } else if isMakeControlFunc(x.name) {
- // File name is the first argument
- args := []starlarkExpr{
- &stringLiteralExpr{ctx.script.mkFile},
- x.args[0],
- }
- ctx.receiver.newNode(&exprNode{
- &callExpr{name: x.name, args: args, returnType: starlarkTypeUnknown},
- })
- } else {
- ctx.receiver.newNode(&exprNode{expr})
- }
+ ctx.receiver.newNode(&exprNode{expr})
case *badExpr:
ctx.wrapBadExpr(x)
- return
default:
ctx.errorf(v, "cannot handle %s", v.Dump())
- return
}
}
func (ctx *parseContext) handleDefine(directive *mkparser.Directive) {
macro_name := strings.Fields(directive.Args.Strings[0])[0]
// Ignore the macros that we handle
- if _, ok := knownFunctions[macro_name]; !ok {
+ _, ignored := ignoredDefines[macro_name]
+ _, known := knownFunctions[macro_name]
+ if !ignored && !known {
ctx.errorf(directive, "define is not supported: %s", macro_name)
}
}
@@ -1056,6 +1046,48 @@
return expr
}
+ var stringOperand string
+ var otherOperand starlarkExpr
+ if s, ok := maybeString(xLeft); ok {
+ stringOperand = s
+ otherOperand = xRight
+ } else if s, ok := maybeString(xRight); ok {
+ stringOperand = s
+ otherOperand = xLeft
+ }
+
+ not := func(expr starlarkExpr) starlarkExpr {
+ switch typedExpr := expr.(type) {
+ case *inExpr:
+ typedExpr.isNot = !typedExpr.isNot
+ return typedExpr
+ case *eqExpr:
+ typedExpr.isEq = !typedExpr.isEq
+ return typedExpr
+ default:
+ return ¬Expr{expr: expr}
+ }
+ }
+
+ // If we've identified one of the operands as being a string literal, check
+ // for some special cases we can do to simplify the resulting expression.
+ if otherOperand != nil {
+ if stringOperand == "" {
+ if isEq {
+ return not(otherOperand)
+ } else {
+ return otherOperand
+ }
+ }
+ if stringOperand == "true" && otherOperand.typ() == starlarkTypeBool {
+ if !isEq {
+ return not(otherOperand)
+ } else {
+ return otherOperand
+ }
+ }
+ }
+
return &eqExpr{left: xLeft, right: xRight, isEq: isEq}
}
@@ -1089,97 +1121,15 @@
return nil, false
}
- checkIsSomethingFunction := func(xCall *callExpr) starlarkExpr {
- s, ok := maybeString(value)
- if !ok || s != "true" {
- return ctx.newBadExpr(directive,
- fmt.Sprintf("the result of %s can be compared only to 'true'", xCall.name))
- }
- if len(xCall.args) < 1 {
- return ctx.newBadExpr(directive, "%s requires an argument", xCall.name)
- }
- return nil
- }
-
switch call.name {
- case "filter", "filter-out":
+ case baseName + ".filter", baseName + ".filter-out":
return ctx.parseCompareFilterFuncResult(directive, call, value, isEq), true
- case "wildcard":
+ case baseName + ".expand_wildcard":
return ctx.parseCompareWildcardFuncResult(directive, call, value, !isEq), true
- case "findstring":
+ case baseName + ".findstring":
return ctx.parseCheckFindstringFuncResult(directive, call, value, !isEq), true
- case "strip":
+ case baseName + ".strip":
return ctx.parseCompareStripFuncResult(directive, call, value, !isEq), true
- case "is-board-platform":
- if xBad := checkIsSomethingFunction(call); xBad != nil {
- return xBad, true
- }
- return &eqExpr{
- left: NewVariableRefExpr(ctx.addVariable("TARGET_BOARD_PLATFORM"), false),
- right: call.args[0],
- isEq: isEq,
- }, true
- case "is-board-platform-in-list":
- if xBad := checkIsSomethingFunction(call); xBad != nil {
- return xBad, true
- }
- return &inExpr{
- expr: NewVariableRefExpr(ctx.addVariable("TARGET_BOARD_PLATFORM"), false),
- list: maybeConvertToStringList(call.args[0]),
- isNot: !isEq,
- }, true
- case "is-product-in-list":
- if xBad := checkIsSomethingFunction(call); xBad != nil {
- return xBad, true
- }
- return &inExpr{
- expr: NewVariableRefExpr(ctx.addVariable("TARGET_PRODUCT"), true),
- list: maybeConvertToStringList(call.args[0]),
- isNot: !isEq,
- }, true
- case "is-vendor-board-platform":
- if xBad := checkIsSomethingFunction(call); xBad != nil {
- return xBad, true
- }
- s, ok := maybeString(call.args[0])
- if !ok {
- return ctx.newBadExpr(directive, "cannot handle non-constant argument to is-vendor-board-platform"), true
- }
- return &inExpr{
- expr: NewVariableRefExpr(ctx.addVariable("TARGET_BOARD_PLATFORM"), false),
- list: NewVariableRefExpr(ctx.addVariable(s+"_BOARD_PLATFORMS"), true),
- isNot: !isEq,
- }, true
-
- case "is-board-platform2", "is-board-platform-in-list2":
- if s, ok := maybeString(value); !ok || s != "" {
- return ctx.newBadExpr(directive,
- fmt.Sprintf("the result of %s can be compared only to empty", call.name)), true
- }
- if len(call.args) != 1 {
- return ctx.newBadExpr(directive, "%s requires an argument", call.name), true
- }
- cc := &callExpr{
- name: call.name,
- args: []starlarkExpr{call.args[0]},
- returnType: starlarkTypeBool,
- }
- if isEq {
- return ¬Expr{cc}, true
- }
- return cc, true
- case "is-vendor-board-qcom":
- if s, ok := maybeString(value); !ok || s != "" {
- return ctx.newBadExpr(directive,
- fmt.Sprintf("the result of %s can be compared only to empty", call.name)), true
- }
- // if the expression is ifneq (,$(call is-vendor-board-platform,...)), negate==true,
- // so we should set inExpr.isNot to false
- return &inExpr{
- expr: NewVariableRefExpr(ctx.addVariable("TARGET_BOARD_PLATFORM"), false),
- list: NewVariableRefExpr(ctx.addVariable("QCOM_BOARD_PLATFORMS"), true),
- isNot: isEq,
- }, true
}
return nil, false
}
@@ -1254,9 +1204,9 @@
if !isEmptyString(xValue) {
return ctx.newBadExpr(directive, "wildcard result can be compared only to empty: %s", xValue)
}
- callFunc := wildcardExistsPhony
+ callFunc := baseName + ".file_wildcard_exists"
if s, ok := xCall.args[0].(*stringLiteralExpr); ok && !strings.ContainsAny(s.literal, "*?{[") {
- callFunc = fileExistsPhony
+ callFunc = baseName + ".file_exists"
}
var cc starlarkExpr = &callExpr{name: callFunc, args: xCall.args, returnType: starlarkTypeBool}
if !negate {
@@ -1323,14 +1273,7 @@
// If it is a single word, it can be a simple variable
// reference or a function call
- if len(words) == 1 {
- if isMakeControlFunc(refDump) || refDump == "shell" {
- return &callExpr{
- name: refDump,
- args: []starlarkExpr{&stringLiteralExpr{""}},
- returnType: starlarkTypeUnknown,
- }
- }
+ if len(words) == 1 && !isMakeControlFunc(refDump) && refDump != "shell" {
if strings.HasPrefix(refDump, soongNsPrefix) {
// TODO (asmundak): if we find many, maybe handle them.
return ctx.newBadExpr(node, "SOONG_CONFIG_ variables cannot be referenced, use soong_config_get instead: %s", refDump)
@@ -1354,8 +1297,8 @@
return ctx.newBadExpr(node, "unknown variable %s", refDump)
}
return &callExpr{
- name: "patsubst",
- returnType: knownFunctions["patsubst"].returnType,
+ name: baseName + ".mkpatsubst",
+ returnType: starlarkTypeString,
args: []starlarkExpr{
&stringLiteralExpr{literal: substParts[0]},
&stringLiteralExpr{literal: substParts[1]},
@@ -1370,18 +1313,11 @@
}
expr := &callExpr{name: words[0].Dump(), returnType: starlarkTypeUnknown}
- args := words[1]
- args.TrimLeftSpaces()
- // Make control functions and shell need special treatment as everything
- // after the name is a single text argument
- if isMakeControlFunc(expr.name) || expr.name == "shell" {
- x := ctx.parseMakeString(node, args)
- if xBad, ok := x.(*badExpr); ok {
- return xBad
- }
- expr.args = []starlarkExpr{x}
- return expr
+ args := mkparser.SimpleMakeString("", words[0].Pos())
+ if len(words) >= 2 {
+ args = words[1]
}
+ args.TrimLeftSpaces()
if expr.name == "call" {
words = args.SplitN(",", 2)
if words[0].Empty() || !words[0].Const() {
@@ -1395,41 +1331,154 @@
}
}
if kf, found := knownFunctions[expr.name]; found {
- expr.returnType = kf.returnType
+ return kf.parse(ctx, node, args)
} else {
return ctx.newBadExpr(node, "cannot handle invoking %s", expr.name)
}
- switch expr.name {
- case "if":
- return ctx.parseIfFunc(node, args)
- case "foreach":
- return ctx.parseForeachFunc(node, args)
- case "word":
- return ctx.parseWordFunc(node, args)
- case "firstword", "lastword":
- return ctx.parseFirstOrLastwordFunc(node, expr.name, args)
- case "my-dir":
- return NewVariableRefExpr(ctx.addVariable("LOCAL_PATH"), true)
- case "subst", "patsubst":
- return ctx.parseSubstFunc(node, expr.name, args)
- default:
- for _, arg := range args.Split(",") {
- arg.TrimLeftSpaces()
- arg.TrimRightSpaces()
- x := ctx.parseMakeString(node, arg)
- if xBad, ok := x.(*badExpr); ok {
- return xBad
- }
- expr.args = append(expr.args, x)
+}
+
+type simpleCallParser struct {
+ name string
+ returnType starlarkType
+ addGlobals bool
+}
+
+func (p *simpleCallParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+ expr := &callExpr{name: p.name, returnType: p.returnType}
+ if p.addGlobals {
+ expr.args = append(expr.args, &globalsExpr{})
+ }
+ for _, arg := range args.Split(",") {
+ arg.TrimLeftSpaces()
+ arg.TrimRightSpaces()
+ x := ctx.parseMakeString(node, arg)
+ if xBad, ok := x.(*badExpr); ok {
+ return xBad
}
+ expr.args = append(expr.args, x)
}
return expr
}
-func (ctx *parseContext) parseSubstFunc(node mkparser.Node, fname string, args *mkparser.MakeString) starlarkExpr {
+type makeControlFuncParser struct {
+ name string
+}
+
+func (p *makeControlFuncParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+ // Make control functions need special treatment as everything
+ // after the name is a single text argument
+ x := ctx.parseMakeString(node, args)
+ if xBad, ok := x.(*badExpr); ok {
+ return xBad
+ }
+ return &callExpr{
+ name: p.name,
+ args: []starlarkExpr{
+ &stringLiteralExpr{ctx.script.mkFile},
+ x,
+ },
+ returnType: starlarkTypeUnknown,
+ }
+}
+
+type shellCallParser struct{}
+
+func (p *shellCallParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+ // Shell functions need special treatment as everything
+ // after the name is a single text argument
+ x := ctx.parseMakeString(node, args)
+ if xBad, ok := x.(*badExpr); ok {
+ return xBad
+ }
+ return &callExpr{
+ name: baseName + ".shell",
+ args: []starlarkExpr{x},
+ returnType: starlarkTypeUnknown,
+ }
+}
+
+type myDirCallParser struct{}
+
+func (p *myDirCallParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+ if !args.Empty() {
+ return ctx.newBadExpr(node, "my-dir function cannot have any arguments passed to it.")
+ }
+ return &variableRefExpr{ctx.addVariable("LOCAL_PATH"), true}
+}
+
+type isBoardPlatformCallParser struct{}
+
+func (p *isBoardPlatformCallParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+ if args.Empty() {
+ return ctx.newBadExpr(node, "is-board-platform requires an argument")
+ }
+ return &eqExpr{
+ left: &variableRefExpr{ctx.addVariable("TARGET_BOARD_PLATFORM"), false},
+ right: ctx.parseMakeString(node, args),
+ isEq: true,
+ }
+}
+
+type isBoardPlatformInListCallParser struct{}
+
+func (p *isBoardPlatformInListCallParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+ if args.Empty() {
+ return ctx.newBadExpr(node, "is-board-platform-in-list requires an argument")
+ }
+ return &inExpr{
+ expr: &variableRefExpr{ctx.addVariable("TARGET_BOARD_PLATFORM"), false},
+ list: maybeConvertToStringList(ctx.parseMakeString(node, args)),
+ isNot: false,
+ }
+}
+
+type isProductInListCallParser struct{}
+
+func (p *isProductInListCallParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+ if args.Empty() {
+ return ctx.newBadExpr(node, "is-product-in-list requires an argument")
+ }
+ return &inExpr{
+ expr: &variableRefExpr{ctx.addVariable("TARGET_PRODUCT"), true},
+ list: maybeConvertToStringList(ctx.parseMakeString(node, args)),
+ isNot: false,
+ }
+}
+
+type isVendorBoardPlatformCallParser struct{}
+
+func (p *isVendorBoardPlatformCallParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+ if args.Empty() || !identifierFullMatchRegex.MatchString(args.Dump()) {
+ return ctx.newBadExpr(node, "cannot handle non-constant argument to is-vendor-board-platform")
+ }
+ return &inExpr{
+ expr: &variableRefExpr{ctx.addVariable("TARGET_BOARD_PLATFORM"), false},
+ list: &variableRefExpr{ctx.addVariable(args.Dump() + "_BOARD_PLATFORMS"), true},
+ isNot: false,
+ }
+}
+
+type isVendorBoardQcomCallParser struct{}
+
+func (p *isVendorBoardQcomCallParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+ if !args.Empty() {
+ return ctx.newBadExpr(node, "is-vendor-board-qcom does not accept any arguments")
+ }
+ return &inExpr{
+ expr: &variableRefExpr{ctx.addVariable("TARGET_BOARD_PLATFORM"), false},
+ list: &variableRefExpr{ctx.addVariable("QCOM_BOARD_PLATFORMS"), true},
+ isNot: false,
+ }
+}
+
+type substCallParser struct {
+ fname string
+}
+
+func (p *substCallParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
words := args.Split(",")
if len(words) != 3 {
- return ctx.newBadExpr(node, "%s function should have 3 arguments", fname)
+ return ctx.newBadExpr(node, "%s function should have 3 arguments", p.fname)
}
from := ctx.parseMakeString(node, words[0])
if xBad, ok := from.(*badExpr); ok {
@@ -1443,7 +1492,7 @@
words[2].TrimRightSpaces()
obj := ctx.parseMakeString(node, words[2])
typ := obj.typ()
- if typ == starlarkTypeString && fname == "subst" {
+ if typ == starlarkTypeString && p.fname == "subst" {
// Optimization: if it's $(subst from, to, string), emit string.replace(from, to)
return &callExpr{
object: obj,
@@ -1453,13 +1502,15 @@
}
}
return &callExpr{
- name: fname,
+ name: baseName + ".mk" + p.fname,
args: []starlarkExpr{from, to, obj},
returnType: obj.typ(),
}
}
-func (ctx *parseContext) parseIfFunc(node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+type ifCallParser struct{}
+
+func (p *ifCallParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
words := args.Split(",")
if len(words) != 2 && len(words) != 3 {
return ctx.newBadExpr(node, "if function should have 2 or 3 arguments, found "+strconv.Itoa(len(words)))
@@ -1488,7 +1539,9 @@
}
}
-func (ctx *parseContext) parseForeachFunc(node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+type foreachCallPaser struct{}
+
+func (p *foreachCallPaser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
words := args.Split(",")
if len(words) != 3 {
return ctx.newBadExpr(node, "foreach function should have 3 arguments, found "+strconv.Itoa(len(words)))
@@ -1507,8 +1560,8 @@
if list.typ() != starlarkTypeList {
list = &callExpr{
- name: "words",
- returnType: knownFunctions["words"].returnType,
+ name: baseName + ".words",
+ returnType: starlarkTypeList,
args: []starlarkExpr{list},
}
}
@@ -1520,7 +1573,9 @@
}
}
-func (ctx *parseContext) parseWordFunc(node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+type wordCallParser struct{}
+
+func (p *wordCallParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
words := args.Split(",")
if len(words) != 2 {
return ctx.newBadExpr(node, "word function should have 2 arguments")
@@ -1544,13 +1599,17 @@
return &indexExpr{array, &intLiteralExpr{int(index - 1)}}
}
-func (ctx *parseContext) parseFirstOrLastwordFunc(node mkparser.Node, name string, args *mkparser.MakeString) starlarkExpr {
+type firstOrLastwordCallParser struct {
+ isLastWord bool
+}
+
+func (p *firstOrLastwordCallParser) parse(ctx *parseContext, node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
arg := ctx.parseMakeString(node, args)
if bad, ok := arg.(*badExpr); ok {
return bad
}
index := &intLiteralExpr{0}
- if name == "lastword" {
+ if p.isLastWord {
if v, ok := arg.(*variableRefExpr); ok && v.ref.name() == "MAKEFILE_LIST" {
return &stringLiteralExpr{ctx.script.mkFile}
}
