1 files changed, 300 insertions, 0 deletions
diff --git a/meson/tools/boost_names.py b/meson/tools/boost_names.py
new file mode 100755
index 000000000..b716ccb8b
--- /dev/null
+++ b/meson/tools/boost_names.py
@@ -0,0 +1,300 @@
+#!/usr/bin/env python3
+
+# Copyright 2017 Niklas Claesson
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""This is two implementations for how to get module names from the boost
+sources.  One relies on json metadata files in the sources, the other relies on
+the folder names.
+
+Run the tool in the boost directory and append the stdout to the misc.py:
+
+boost/$ path/to/meson/tools/boost_names.py >> path/to/meson/dependencies/misc.py
+"""
+
+import sys
+import json
+import re
+import textwrap
+import functools
+import typing as T
+from pathlib import Path
+
+lib_dir = Path('libs')
+jamroot = Path('Jamroot')
+
+not_modules = ['config', 'disjoint_sets', 'headers']
+
+export_modules = False
+
+
+@functools.total_ordering
+class BoostLibrary():
+    def __init__(self, name: str, shared: T.List[str], static: T.List[str], single: T.List[str], multi: T.List[str]):
+        self.name = name
+        self.shared = sorted(set(shared))
+        self.static = sorted(set(static))
+        self.single = sorted(set(single))
+        self.multi = sorted(set(multi))
+
+    def __lt__(self, other: object) -> bool:
+        if isinstance(other, BoostLibrary):
+            return self.name < other.name
+        return NotImplemented
+
+    def __eq__(self, other: object) -> bool:
+        if isinstance(other, BoostLibrary):
+            return self.name == other.name
+        elif isinstance(other, str):
+            return self.name == other
+        return NotImplemented
+
+    def __hash__(self) -> int:
+        return hash(self.name)
+
+@functools.total_ordering
+class BoostModule():
+    def __init__(self, name: str, key: str, desc: str, libs: T.List[BoostLibrary]):
+        self.name = name
+        self.key = key
+        self.desc = desc
+        self.libs = libs
+
+    def __lt__(self, other: object) -> bool:
+        if isinstance(other, BoostModule):
+            return self.key < other.key
+        return NotImplemented
+
+
+def get_boost_version() -> T.Optional[str]:
+    raw = jamroot.read_text(encoding='utf-8')
+    m = re.search(r'BOOST_VERSION\s*:\s*([0-9\.]+)\s*;', raw)
+    if m:
+        return m.group(1)
+    return None
+
+
+def get_libraries(jamfile: Path) -> T.List[BoostLibrary]:
+    # Extract libraries from the boost Jamfiles. This includes:
+    #  - library name
+    #  - compiler flags
+
+    libs: T.List[BoostLibrary] = []
+    raw = jamfile.read_text(encoding='utf-8')
+    raw = re.sub(r'#.*\n', '\n', raw)  # Remove comments
+    raw = re.sub(r'\s+', ' ', raw)     # Force single space
+    raw = re.sub(r'}', ';', raw)       # Cheat code blocks by converting } to ;
+
+    cmds = raw.split(';')              # Commands always terminate with a ; (I hope)
+    cmds = [x.strip() for x in cmds]   # Some cleanup
+
+    project_usage_requirements: T.List[str] = []
+
+    # "Parse" the relevant sections
+    for i in cmds:
+        parts = i.split(' ')
+        parts = [x for x in parts if x not in ['']]
+        if not parts:
+            continue
+
+        # Parse project
+        if parts[0] in ['project']:
+            attributes: T.Dict[str, T.List[str]] = {}
+            curr: T.Optional[str] = None
+
+            for j in parts:
+                if j == ':':
+                    curr = None
+                elif curr is None:
+                    curr = j
+                else:
+                    if curr not in attributes:
+                        attributes[curr] = []
+                    attributes[curr] += [j]
+
+            if 'usage-requirements' in attributes:
+                project_usage_requirements = attributes['usage-requirements']
+
+        # Parse libraries
+        elif parts[0] in ['lib', 'boost-lib']:
+            assert len(parts) >= 2
+
+            # Get and check the library name
+            lname = parts[1]
+            if parts[0] == 'boost-lib':
+                lname = f'boost_{lname}'
+            if not lname.startswith('boost_'):
+                continue
+
+            # Count `:` to only select the 'usage-requirements'
+            # See https://boostorg.github.io/build/manual/master/index.html#bbv2.main-target-rule-syntax
+            colon_counter = 0
+            usage_requirements: T.List[str] = []
+            for j in parts:
+                if j == ':':
+                    colon_counter += 1
+                elif colon_counter >= 4:
+                    usage_requirements += [j]
+
+            # Get shared / static defines
+            shared: T.List[str] = []
+            static: T.List[str] = []
+            single: T.List[str] = []
+            multi: T.List[str] = []
+            for j in usage_requirements + project_usage_requirements:
+                m1 = re.match(r'<link>shared:<define>(.*)', j)
+                m2 = re.match(r'<link>static:<define>(.*)', j)
+                m3 = re.match(r'<threading>single:<define>(.*)', j)
+                m4 = re.match(r'<threading>multi:<define>(.*)', j)
+
+                if m1:
+                    shared += [f'-D{m1.group(1)}']
+                if m2:
+                    static += [f'-D{m2.group(1)}']
+                if m3:
+                    single +=[f'-D{m3.group(1)}']
+                if m4:
+                    multi += [f'-D{m4.group(1)}']
+
+            libs += [BoostLibrary(lname, shared, static, single, multi)]
+
+    return libs
+
+
+def process_lib_dir(ldir: Path) -> T.List[BoostModule]:
+    meta_file = ldir / 'meta' / 'libraries.json'
+    bjam_file = ldir / 'build' / 'Jamfile.v2'
+    if not meta_file.exists():
+        print(f'WARNING: Meta file {meta_file} does not exist')
+        return []
+
+    # Extract libs
+    libs: T.List[BoostLibrary] = []
+    if bjam_file.exists():
+        libs = get_libraries(bjam_file)
+
+    # Extract metadata
+    data = json.loads(meta_file.read_text(encoding='utf-8'))
+    if not isinstance(data, list):
+        data = [data]
+
+    modules: T.List[BoostModule] = []
+    for i in data:
+        modules += [BoostModule(i['name'], i['key'], i['description'], libs)]
+
+    return modules
+
+
+def get_modules() -> T.List[BoostModule]:
+    modules: T.List[BoostModule] = []
+    for i in lib_dir.iterdir():
+        if not i.is_dir() or i.name in not_modules:
+            continue
+
+        # numeric has sub libs
+        subdirs = i / 'sublibs'
+        metadir = i / 'meta'
+        if subdirs.exists() and not metadir.exists():
+            for j in i.iterdir():
+                if not j.is_dir():
+                    continue
+                modules += process_lib_dir(j)
+        else:
+            modules += process_lib_dir(i)
+
+    return modules
+
+
+def main() -> int:
+    if not lib_dir.is_dir() or not jamroot.exists():
+        print("ERROR: script must be run in boost source directory")
+        return 1
+
+    vers = get_boost_version()
+    modules = get_modules()
+    modules = sorted(modules)
+    libraries = [x for y in modules for x in y.libs]
+    libraries = sorted(set(libraries))
+
+    print(textwrap.dedent(f'''\
+        ####      ---- BEGIN GENERATED ----      ####
+        #                                           #
+        # Generated with tools/boost_names.py:
+        #  - boost version:   {vers}
+        #  - modules found:   {len(modules)}
+        #  - libraries found: {len(libraries)}
+        #
+
+        class BoostLibrary():
+            def __init__(self, name: str, shared: T.List[str], static: T.List[str], single: T.List[str], multi: T.List[str]):
+                self.name = name
+                self.shared = shared
+                self.static = static
+                self.single = single
+                self.multi = multi
+
+        class BoostModule():
+            def __init__(self, name: str, key: str, desc: str, libs: T.List[str]):
+                self.name = name
+                self.key = key
+                self.desc = desc
+                self.libs = libs
+
+
+        # dict of all know libraries with additional compile options
+        boost_libraries = {{\
+    '''))
+
+    for i in libraries:
+        print(textwrap.indent(textwrap.dedent(f"""\
+            '{i.name}': BoostLibrary(
+                name='{i.name}',
+                shared={i.shared},
+                static={i.static},
+                single={i.single},
+                multi={i.multi},
+            ),\
+        """), '    '))
+
+    if export_modules:
+        print(textwrap.dedent(f'''\
+            }}
+
+
+            # dict of all modules with metadata
+            boost_modules = {{\
+        '''))
+
+        for mod in modules:
+            desc_excaped = re.sub(r"'", "\\'", mod.desc)
+            print(textwrap.indent(textwrap.dedent(f"""\
+                '{mod.key}': BoostModule(
+                    name='{mod.name}',
+                    key='{mod.key}',
+                    desc='{desc_excaped}',
+                    libs={[x.name for x in mod.libs]},
+                ),\
+            """), '    '))
+
+    print(textwrap.dedent(f'''\
+        }}
+
+        #                                           #
+        ####       ---- END GENERATED ----       ####\
+    '''))
+
+    return 0
+
+if __name__ == '__main__':
+    sys.exit(main())