Remove emit symbol graph API

Removes the now old `emit_symbol_grah` feature in favor of the new `swift_symbol_graph_extract` rule which can be used to collec the symbol graph of Swift targets.

Depends on: #772
Rebase

doc/api.md

@@ -140,10 +140,6 @@ A tuple containing three elements:
           the index store data generated by the compiler if the
           `"swift.index_while_building"` feature is enabled, otherwise
           this will be `None`.
-      *   `symbol_graph`: A `File` representing the directory that
-          contains the symbol graph data generated by the compiler if the
-          `"swift.emit_symbol_graph"` feature is enabled, otherwise this
-          will be `None`.
       *   `const_values_files`: A list of `File`s that contains JSON
           representations of constant values extracted from the source
           files, if requested via a direct dependency.
@@ -471,7 +467,7 @@ A provider whose type/layout is an implementation detail and should not
 <pre>
 swift_common.create_swift_module(<a href="#swift_common.create_swift_module-swiftdoc">swiftdoc</a>, <a href="#swift_common.create_swift_module-swiftmodule">swiftmodule</a>, <a href="#swift_common.create_swift_module-ast_files">ast_files</a>, <a href="#swift_common.create_swift_module-defines">defines</a>, <a href="#swift_common.create_swift_module-indexstore">indexstore</a>, <a href="#swift_common.create_swift_module-plugins">plugins</a>,
                                  <a href="#swift_common.create_swift_module-swiftsourceinfo">swiftsourceinfo</a>, <a href="#swift_common.create_swift_module-swiftinterface">swiftinterface</a>, <a href="#swift_common.create_swift_module-private_swiftinterface">private_swiftinterface</a>,
-                                 <a href="#swift_common.create_swift_module-const_protocols_to_gather">const_protocols_to_gather</a>, <a href="#swift_common.create_swift_module-symbol_graph">symbol_graph</a>)
+                                 <a href="#swift_common.create_swift_module-const_protocols_to_gather">const_protocols_to_gather</a>)
 </pre>
 
 Creates a value representing a Swift module use as a Swift dependency.
@@ -491,12 +487,11 @@ Creates a value representing a Swift module use as a Swift dependency.
 | <a id="swift_common.create_swift_module-swiftinterface"></a>swiftinterface |  The `.swiftinterface` file emitted by the compiler for this module. May be `None` if no module interface file was emitted.   |  `None` |
 | <a id="swift_common.create_swift_module-private_swiftinterface"></a>private_swiftinterface |  The `.private.swiftinterface` file emitted by the compiler for this module. May be `None` if no private module interface file was emitted.   |  `None` |
 | <a id="swift_common.create_swift_module-const_protocols_to_gather"></a>const_protocols_to_gather |  A list of protocol names from which constant values should be extracted from source code that takes this module as a *direct* dependency.   |  `[]` |
-| <a id="swift_common.create_swift_module-symbol_graph"></a>symbol_graph |  A `File` representing the directory that contains the symbol graph data generated by the compiler if the `"swift.emit_symbol_graph"` feature is enabled, otherwise this will be `None`.   |  `None` |
 
 **RETURNS**
 
 A `struct` containing the `ast_files`, `defines`, `indexstore,
-  `swiftdoc`, `swiftmodule`, `swiftinterface`, and `symbol_graph` fields
+  `swiftdoc`, `swiftmodule`, and `swiftinterface` fields
   provided as arguments.
 
 

swift/internal/compiling.bzl

@@ -53,7 +53,6 @@ load(
     "SWIFT_FEATURE_EMIT_SWIFTDOC",
     "SWIFT_FEATURE_EMIT_SWIFTINTERFACE",
     "SWIFT_FEATURE_EMIT_SWIFTSOURCEINFO",
-    "SWIFT_FEATURE_EMIT_SYMBOL_GRAPH",
     "SWIFT_FEATURE_ENABLE_BATCH_MODE",
     "SWIFT_FEATURE_ENABLE_LIBRARY_EVOLUTION",
     "SWIFT_FEATURE_ENABLE_SKIP_FUNCTION_BODIES",
@@ -849,26 +848,6 @@ def compile_action_configs(
                 SWIFT_FEATURE_USE_PCH_OUTPUT_DIR,
             ],
         ),
-        swift_toolchain_config.action_config(
-            actions = [
-                swift_action_names.COMPILE,
-            ],
-            configurators = [_emit_symbol_graph_configurator],
-            features = [
-                SWIFT_FEATURE_EMIT_SYMBOL_GRAPH,
-            ],
-            not_features = [SWIFT_FEATURE_SPLIT_DERIVED_FILES_GENERATION],
-        ),
-        swift_toolchain_config.action_config(
-            actions = [
-                swift_action_names.DERIVE_FILES,
-            ],
-            configurators = [_emit_symbol_graph_configurator],
-            features = [
-                SWIFT_FEATURE_EMIT_SYMBOL_GRAPH,
-                SWIFT_FEATURE_SPLIT_DERIVED_FILES_GENERATION,
-            ],
-        ),
 
         # When using C modules, disable the implicit search for module map files
         # because all of them, including system dependencies, will be provided
@@ -1999,21 +1978,6 @@ def _pch_output_dir_configurator(prerequisites, args):
         paths.join(prerequisites.bin_dir.path, "_pch_output_dir"),
     )
 
-def _emit_symbol_graph_configurator(prerequisites, args):
-    """Adds flags for `-emit-symbol-graph` configuration to the command line.
-
-      This is a directory to persist symbol graph files that can be used by
-      tools such as DocC or jazzy to generate documentation.
-    """
-    args.add(
-        "-Xfrontend",
-        "-emit-symbol-graph",
-    )
-    args.add(
-        "-emit-symbol-graph-dir",
-        prerequisites.symbol_graph_directory.path,
-    )
-
 def _global_index_store_configurator(prerequisites, args):
     """Adds flags for index-store generation to the command line."""
     out_dir = prerequisites.indexstore_directory.dirname.split("/")[0]
@@ -2438,10 +2402,6 @@ def compile(
                 the index store data generated by the compiler if the
                 `"swift.index_while_building"` feature is enabled, otherwise
                 this will be `None`.
-            *   `symbol_graph`: A `File` representing the directory that
-                contains the symbol graph data generated by the compiler if the
-                `"swift.emit_symbol_graph"` feature is enabled, otherwise this
-                will be `None`.
             *   `const_values_files`: A list of `File`s that contains JSON
                 representations of constant values extracted from the source
                 files, if requested via a direct dependency.
@@ -2510,7 +2470,6 @@ def compile(
             # for that action). This guarantees some predictability.
             compile_outputs.swiftmodule_file,
             compile_outputs.generated_header_file,
-            compile_outputs.symbol_graph_directory,
         ]) + other_outputs
         if include_swiftdoc:
             all_derived_outputs.append(compile_outputs.swiftdoc_file)
@@ -2528,7 +2487,6 @@ def compile(
             compile_outputs.generated_header_file,
             compile_outputs.indexstore_directory,
             compile_outputs.macro_expansion_directory,
-            compile_outputs.symbol_graph_directory,
         ]) + compile_outputs.object_files + compile_outputs.const_values_files + other_outputs
         if include_swiftdoc:
             all_compile_outputs.append(compile_outputs.swiftdoc_file)
@@ -2795,7 +2753,6 @@ to use swift_common.compile(include_dev_srch_paths = ...) instead.\
             swiftmodule = compile_outputs.swiftmodule_file,
             swiftsourceinfo = compile_outputs.swiftsourceinfo_file,
             const_protocols_to_gather = compile_outputs.const_values_files,
-            symbol_graph = compile_outputs.symbol_graph_directory,
         ),
     )
 
@@ -2808,7 +2765,6 @@ to use swift_common.compile(include_dev_srch_paths = ...) instead.\
         ast_files = compile_outputs.ast_files,
         indexstore = compile_outputs.indexstore_directory,
         macro_expansion_directory = compile_outputs.macro_expansion_directory,
-        symbol_graph = compile_outputs.symbol_graph_directory,
         const_values_files = compile_outputs.const_values_files,
     )
 
@@ -3299,18 +3255,6 @@ def _declare_compile_outputs(
     else:
         indexstore_directory = None
 
-    emit_symbol_graph = is_feature_enabled(
-        feature_configuration = feature_configuration,
-        feature_name = SWIFT_FEATURE_EMIT_SYMBOL_GRAPH,
-    )
-    if (emit_symbol_graph):
-        symbol_graph_directory = derived_files.symbol_graph_directory(
-            actions = actions,
-            target_name = target_name,
-        )
-    else:
-        symbol_graph_directory = None
-
     if is_feature_enabled(
         feature_configuration = feature_configuration,
         feature_name = SWIFT_FEATURE__SUPPORTS_MACROS,
@@ -3332,7 +3276,6 @@ def _declare_compile_outputs(
         indexstore_directory = indexstore_directory,
         macro_expansion_directory = macro_expansion_directory,
         private_swiftinterface_file = private_swiftinterface_file,
-        symbol_graph_directory = symbol_graph_directory,
         object_files = object_files,
         output_file_map = output_file_map,
         derived_files_output_file_map = derived_files_output_file_map,

swift/internal/feature_names.bzl

@@ -107,9 +107,6 @@ SWIFT_FEATURE_CODEVIEW_DEBUG_INFO = "swift.codeview_debug_info"
 # https://docs.google.com/document/d/1cH2sTpgSnJZCkZtJl1aY-rzy4uGPcrI-6RrUpdATO2Q/
 SWIFT_FEATURE_INDEX_WHILE_BUILDING = "swift.index_while_building"
 
-# If enabled, the compilation action for a target will produce a symbol graph.
-SWIFT_FEATURE_EMIT_SYMBOL_GRAPH = "swift.emit_symbol_graph"
-
 # If enabled the compilation action will not produce indexes for system modules.
 SWIFT_FEATURE_DISABLE_SYSTEM_INDEX = "swift.disable_system_index"
 

swift/internal/output_groups.bzl

@@ -35,7 +35,6 @@ def supplemental_compilation_output_groups(*supplemental_outputs):
     const_values_files = []
     indexstore_files = []
     macro_expansions_files = []
-    symbol_graph_files = []
 
     for outputs in supplemental_outputs:
         if outputs.ast_files:
@@ -46,8 +45,6 @@ def supplemental_compilation_output_groups(*supplemental_outputs):
             indexstore_files.append(outputs.indexstore)
         if outputs.macro_expansion_directory:
             macro_expansions_files.append(outputs.macro_expansion_directory)
-        if outputs.symbol_graph:
-            symbol_graph_files.append(outputs.symbol_graph)
 
     output_groups = {}
     if ast_files:
@@ -58,6 +55,4 @@ def supplemental_compilation_output_groups(*supplemental_outputs):
         output_groups["swift_index_store"] = depset(indexstore_files)
     if macro_expansions_files:
         output_groups["macro_expansions"] = depset(macro_expansions_files)
-    if symbol_graph_files:
-        output_groups["swift_symbol_graph"] = depset(symbol_graph_files)
     return output_groups

swift/internal/providers.bzl

@@ -462,8 +462,7 @@ def create_swift_module(
         swiftsourceinfo = None,
         swiftinterface = None,
         private_swiftinterface = None,
-        const_protocols_to_gather = [],
-        symbol_graph = None):
+        const_protocols_to_gather = []):
     """Creates a value representing a Swift module use as a Swift dependency.
 
     Args:
@@ -490,14 +489,10 @@ def create_swift_module(
         const_protocols_to_gather: A list of protocol names from which constant
             values should be extracted from source code that takes this module
             as a *direct* dependency.
-        symbol_graph: A `File` representing the directory that contains the
-            symbol graph data generated by the compiler if the
-            `"swift.emit_symbol_graph"` feature is enabled, otherwise this will
-            be `None`.
 
     Returns:
         A `struct` containing the `ast_files`, `defines`, `indexstore,
-        `swiftdoc`, `swiftmodule`, `swiftinterface`, and `symbol_graph` fields
+        `swiftdoc`, `swiftmodule`, and `swiftinterface` fields
         provided as arguments.
     """
     return struct(
@@ -511,7 +506,6 @@ def create_swift_module(
         swiftmodule = swiftmodule,
         swiftsourceinfo = swiftsourceinfo,
         const_protocols_to_gather = tuple(const_protocols_to_gather),
-        symbol_graph = symbol_graph,
     )
 
 def create_swift_info(

test/split_derived_files_tests.bzl

@@ -115,21 +115,6 @@ split_swiftmodule_copts_test = make_action_command_line_test_rule(
         ],
     },
 )
-split_swiftmodule_symbol_graph_test = make_action_command_line_test_rule(
-    config_settings = {
-        "//command_line_option:features": [
-            "swift.emit_symbol_graph",
-            "swift.split_derived_files_generation",
-        ],
-    },
-)
-default_no_split_swiftmodule_symbol_graph_test = make_action_command_line_test_rule(
-    config_settings = {
-        "//command_line_option:features": [
-            "swift.emit_symbol_graph",
-        ],
-    },
-)
 
 def split_derived_files_test_suite(name):
     """Test suite for split derived files options.
@@ -292,39 +277,6 @@ def split_derived_files_test_suite(name):
         target_under_test = "@build_bazel_rules_swift//test/fixtures/debug_settings:simple",
     )
 
-    split_swiftmodule_symbol_graph_test(
-        name = "{}_symbol_graph_in_derive_action".format(name),
-        expected_argv = [
-            "-emit-symbol-graph",
-            "-emit-symbol-graph-dir",
-        ],
-        mnemonic = "SwiftDeriveFiles",
-        tags = [name],
-        target_under_test = "@build_bazel_rules_swift//test/fixtures/debug_settings:simple",
-    )
-
-    split_swiftmodule_symbol_graph_test(
-        name = "{}_no_symbol_graph_in_compile_action".format(name),
-        not_expected_argv = [
-            "-emit-symbol-graph",
-            "-emit-symbol-graph-dir",
-        ],
-        mnemonic = "SwiftCompile",
-        tags = [name],
-        target_under_test = "@build_bazel_rules_swift//test/fixtures/debug_settings:simple",
-    )
-
-    default_no_split_swiftmodule_symbol_graph_test(
-        name = "{}_default_no_split_symbol_graph_in_compile_action".format(name),
-        expected_argv = [
-            "-emit-symbol-graph",
-            "-emit-symbol-graph-dir",
-        ],
-        mnemonic = "SwiftCompile",
-        tags = [name],
-        target_under_test = "@build_bazel_rules_swift//test/fixtures/debug_settings:simple",
-    )
-
     split_swiftmodule_test(
         name = "{}_swiftmodule_only".format(name),
         expected_argv = [