[Pratt parser] Initial implementation - private, for now

PiperOrigin-RevId: 974800991

Author: dmitriplotnikov

parser/BUILD.bazel

@@ -11,6 +11,12 @@ java_library(
     exports = ["//parser/src/main/java/dev/cel/parser"],
 )
 
+java_library(
+    name = "pratt_parser",
+    visibility = ["//:internal"],
+    exports = ["//parser/src/main/java/dev/cel/parser:pratt_parser"],
+)
+
 java_library(
     name = "parser_factory",
     exports = ["//parser/src/main/java/dev/cel/parser:parser_factory"],

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

@@ -15,6 +15,12 @@ PARSER_SOURCES = [
     "Parser.java",
 ]
 
+# keep sorted
+PRATT_PARSER_SOURCES = [
+    "Lexer.java",
+    "PrattParser.java",
+]
+
 # keep sorted
 PARSER_BUILDER_SOURCES = [
     "CelParser.java",
@@ -75,6 +81,26 @@ java_library(
     ],
 )
 
+java_library(
+    name = "pratt_parser",
+    srcs = PRATT_PARSER_SOURCES,
+    tags = [
+    ],
+    deps = [
+        ":macro",
+        "//common:cel_ast",
+        "//common:cel_source",
+        "//common:compiler_common",
+        "//common:operator",
+        "//common:options",
+        "//common:source_location",
+        "//common/ast",
+        "//common/internal",
+        "@maven//:com_google_guava_guava",
+        "@maven//:org_jspecify_jspecify",
+    ],
+)
+
 java_library(
     name = "parser_builder",
     srcs = PARSER_BUILDER_SOURCES,