Merge "bp2build converter for cc libraries containing yacc"

cc/bp2build.go

@@ -38,6 +38,7 @@ const (
 	protoSrcPartition   = "proto"
 	aidlSrcPartition    = "aidl"
 	syspropSrcPartition = "sysprop"
+	yaccSrcPartition    = "yacc"
 
 	stubsSuffix = "_stub_libs_current"
 )
@@ -154,6 +155,7 @@ func groupSrcsByExtension(ctx android.BazelConversionPathContext, srcs bazel.Lab
 		// know the language of these sources until the genrule is executed.
 		cppSrcPartition:     bazel.LabelPartition{Extensions: []string{".cpp", ".cc", ".cxx", ".mm"}, LabelMapper: addSuffixForFilegroup("_cpp_srcs"), Keep_remainder: true},
 		syspropSrcPartition: bazel.LabelPartition{Extensions: []string{".sysprop"}},
+		yaccSrcPartition:    bazel.LabelPartition{Extensions: []string{".y", "yy"}},
 	}
 
 	return bazel.PartitionLabelListAttribute(ctx, &srcs, labels)
@@ -404,6 +406,12 @@ type compilerAttributes struct {
 	// Sysprop sources
 	syspropSrcs bazel.LabelListAttribute
 
+	// Yacc sources
+	yaccSrc               *bazel.LabelAttribute
+	yaccFlags             bazel.StringListAttribute
+	yaccGenLocationHeader bazel.BoolAttribute
+	yaccGenPositionHeader bazel.BoolAttribute
+
 	hdrs bazel.LabelListAttribute
 
 	rtti bazel.BoolAttribute
@@ -566,6 +574,12 @@ func (ca *compilerAttributes) finalize(ctx android.BazelConversionPathContext, i
 	ca.asmSrcs = partitionedSrcs[asmSrcPartition]
 	ca.lSrcs = partitionedSrcs[lSrcPartition]
 	ca.llSrcs = partitionedSrcs[llSrcPartition]
+	if yacc := partitionedSrcs[yaccSrcPartition]; !yacc.IsEmpty() {
+		if len(yacc.Value.Includes) > 1 {
+			ctx.PropertyErrorf("srcs", "Found multiple yacc (.y/.yy) files in library")
+		}
+		ca.yaccSrc = bazel.MakeLabelAttribute(yacc.Value.Includes[0].Label)
+	}
 	ca.syspropSrcs = partitionedSrcs[syspropSrcPartition]
 
 	ca.absoluteIncludes.DeduplicateAxesFromBase()
@@ -742,6 +756,11 @@ func bp2BuildParseBaseProps(ctx android.Bp2buildMutatorContext, module *Module)
 				if baseCompilerProps.Lex != nil {
 					compilerAttrs.lexopts.SetSelectValue(axis, cfg, baseCompilerProps.Lex.Flags)
 				}
+				if baseCompilerProps.Yacc != nil {
+					compilerAttrs.yaccFlags.SetSelectValue(axis, cfg, baseCompilerProps.Yacc.Flags)
+					compilerAttrs.yaccGenLocationHeader.SetSelectValue(axis, cfg, baseCompilerProps.Yacc.Gen_location_hh)
+					compilerAttrs.yaccGenPositionHeader.SetSelectValue(axis, cfg, baseCompilerProps.Yacc.Gen_position_hh)
+				}
 				(&compilerAttrs).bp2buildForAxisAndConfig(ctx, axis, cfg, baseCompilerProps)
 			}
 
@@ -826,6 +845,12 @@ func bp2BuildParseBaseProps(ctx android.Bp2buildMutatorContext, module *Module)
 		}
 	}
 
+	// Create a cc_yacc_static_library if srcs contains .y/.yy files
+	// This internal target will produce an .a file that will be statically linked to the parent library
+	if yaccDep := bp2buildCcYaccLibrary(ctx, compilerAttrs, linkerAttrs); yaccDep != nil {
+		(&linkerAttrs).implementationWholeArchiveDeps.Add(yaccDep)
+	}
+
 	convertedLSrcs := bp2BuildLex(ctx, module.Name(), compilerAttrs)
 	(&compilerAttrs).srcs.Add(&convertedLSrcs.srcName)
 	(&compilerAttrs).cSrcs.Add(&convertedLSrcs.cSrcName)
@@ -864,6 +889,48 @@ func bp2BuildParseBaseProps(ctx android.Bp2buildMutatorContext, module *Module)
 	}
 }
 
+type ccYaccLibraryAttributes struct {
+	Src                         bazel.LabelAttribute
+	Flags                       bazel.StringListAttribute
+	Gen_location_hh             bazel.BoolAttribute
+	Gen_position_hh             bazel.BoolAttribute
+	Local_includes              bazel.StringListAttribute
+	Implementation_deps         bazel.LabelListAttribute
+	Implementation_dynamic_deps bazel.LabelListAttribute
+}
+
+func bp2buildCcYaccLibrary(ctx android.Bp2buildMutatorContext, ca compilerAttributes, la linkerAttributes) *bazel.LabelAttribute {
+	if ca.yaccSrc == nil {
+		return nil
+	}
+	yaccLibraryLabel := ctx.Module().Name() + "_yacc"
+	ctx.CreateBazelTargetModule(
+		bazel.BazelTargetModuleProperties{
+			Rule_class:        "cc_yacc_static_library",
+			Bzl_load_location: "//build/bazel/rules/cc:cc_yacc_library.bzl",
+		},
+		android.CommonAttributes{
+			Name: yaccLibraryLabel,
+		},
+		&ccYaccLibraryAttributes{
+			Src:                         *ca.yaccSrc,
+			Flags:                       ca.yaccFlags,
+			Gen_location_hh:             ca.yaccGenLocationHeader,
+			Gen_position_hh:             ca.yaccGenPositionHeader,
+			Local_includes:              ca.localIncludes,
+			Implementation_deps:         la.implementationDeps,
+			Implementation_dynamic_deps: la.implementationDynamicDeps,
+		},
+	)
+
+	yaccLibrary := &bazel.LabelAttribute{
+		Value: &bazel.Label{
+			Label: ":" + yaccLibraryLabel,
+		},
+	}
+	return yaccLibrary
+}
+
 // As a workaround for b/261657184, we are manually adding the default value
 // of system_dynamic_deps for the linux_musl os.
 // TODO: Solve this properly