Isolate CelAbstractSyntaxTree and CelSource from common build target

PiperOrigin-RevId: 715161676

Author: l46kok

common/BUILD.bazel

@@ -6,8 +6,13 @@ package(
 )
 
 java_library(
+    # TODO: Split this target and migrate consumers
     name = "common",
-    exports = ["//common/src/main/java/dev/cel/common"],
+    exports = [
+        "//common/src/main/java/dev/cel/common",
+        "//common/src/main/java/dev/cel/common:cel_ast",
+        "//common/src/main/java/dev/cel/common:cel_source",
+    ],
 )
 
 java_library(
@@ -72,3 +77,13 @@ java_library(
     name = "source_location",
     exports = ["//common/src/main/java/dev/cel/common:source_location"],
 )
+
+java_library(
+    name = "cel_source",
+    exports = ["//common/src/main/java/dev/cel/common:cel_source"],
+)
+
+java_library(
+    name = "cel_ast",
+    exports = ["//common/src/main/java/dev/cel/common:cel_ast"],
+)

common/src/main/java/dev/cel/common/BUILD.bazel

@@ -10,11 +10,9 @@ package(
 
 # keep sorted
 COMMON_SOURCES = [
-    "CelAbstractSyntaxTree.java",
     "CelDescriptorUtil.java",
     "CelDescriptors.java",
     "CelException.java",
-    "CelSource.java",
 ]
 
 # keep sorted
@@ -49,6 +47,8 @@ java_library(
     tags = [
     ],
     deps = [
+        ":cel_ast",
+        ":cel_source",
         ":error_codes",
         ":source",
         ":source_location",
@@ -72,6 +72,8 @@ java_library(
     tags = [
     ],
     deps = [
+        ":cel_ast",
+        ":cel_source",
         ":common",
         ":source",
         ":source_location",
@@ -116,6 +118,8 @@ java_library(
     tags = [
     ],
     deps = [
+        ":cel_ast",
+        ":cel_source",
         "//common",
         "//common/ast:expr_converter",
         "//common/types:cel_proto_types",
@@ -131,7 +135,10 @@ java_library(
     tags = [
     ],
     deps = [
+        ":cel_ast",
+        ":cel_source",
         ":common",
+        "//common:cel_source",
         "//common/ast:expr_v1alpha1_converter",
         "//common/types:cel_v1alpha1_types",
         "@com_google_googleapis//google/api/expr/v1alpha1:expr_java_proto",
@@ -164,6 +171,7 @@ java_library(
     tags = [
     ],
     deps = [
+        ":cel_ast",
         ":mutable_source",
         "//common",
         "//common/ast",
@@ -178,6 +186,7 @@ java_library(
     tags = [
     ],
     deps = [
+        ":cel_source",
         ":common",
         "//:auto_value",
         "//common/ast:mutable_expr",
@@ -213,6 +222,44 @@ java_library(
     ],
 )
 
+java_library(
+    name = "cel_source",
+    srcs = ["CelSource.java"],
+    tags = [
+        "alt_dep=//common:cel_source",
+        "avoid_dep",
+    ],
+    deps = [
+        ":source",
+        ":source_location",
+        "//:auto_value",
+        "//common/annotations",
+        "//common/ast",
+        "//common/internal",
+        "@maven//:com_google_errorprone_error_prone_annotations",
+        "@maven//:com_google_guava_guava",
+    ],
+)
+
+java_library(
+    name = "cel_ast",
+    srcs = ["CelAbstractSyntaxTree.java"],
+    tags = [
+        "alt_dep=//common:cel_ast",
+        "avoid_dep",
+    ],
+    deps = [
+        ":cel_source",
+        "//:auto_value",
+        "//common/annotations",
+        "//common/ast",
+        "//common/types",
+        "//common/types:type_providers",
+        "@maven//:com_google_errorprone_error_prone_annotations",
+        "@maven//:com_google_guava_guava",
+    ],
+)
+
 java_library(
     name = "source",
     srcs = SOURCE_SOURCES,