mintro: Dependencies from source

5 files changed, 51 insertions, 5 deletions

diff --git a/mesonbuild/ast/__init__.py b/mesonbuild/ast/__init__.py
index a9370dc..48de523 100644
--- a/mesonbuild/ast/__init__.py
+++ b/mesonbuild/ast/__init__.py
@@ -16,6 +16,7 @@
 # or an interpreter-based tool.
 
 __all__ = [
+    'AstConditionLevel',
     'AstInterpreter',
     'AstIDGenerator',
     'AstIndentationGenerator',
@@ -28,5 +29,5 @@ __all__ = [
 from .interpreter import AstInterpreter
 from .introspection import IntrospectionInterpreter, build_target_functions
 from .visitor import AstVisitor
-from .postprocess import AstIDGenerator, AstIndentationGenerator
+from .postprocess import AstConditionLevel, AstIDGenerator, AstIndentationGenerator
 from .printer import AstPrinter
diff --git a/mesonbuild/ast/introspection.py b/mesonbuild/ast/introspection.py
index da2f740..225f43c 100644
--- a/mesonbuild/ast/introspection.py
+++ b/mesonbuild/ast/introspection.py
@@ -137,8 +137,16 @@ class IntrospectionInterpreter(AstInterpreter):
         if not args:
             return
         name = args[0]
+        has_fallback = 'fallback' in kwargs
+        required = kwargs.get('required', True)
+        condition_level = node.condition_level if hasattr(node, 'condition_level') else 0
+        if isinstance(required, mparser.ElementaryNode):
+            required = required.value
         self.dependencies += [{
             'name': name,
+            'required': required,
+            'has_fallback': has_fallback,
+            'conditional': condition_level > 0,
             'node': node
         }]
 
diff --git a/mesonbuild/ast/postprocess.py b/mesonbuild/ast/postprocess.py
index e913b4f..8e8732f 100644
--- a/mesonbuild/ast/postprocess.py
+++ b/mesonbuild/ast/postprocess.py
@@ -84,3 +84,33 @@ class AstIDGenerator(AstVisitor):
             self.counter[name] = 0
         node.ast_id = name + '#' + str(self.counter[name])
         self.counter[name] += 1
+
+class AstConditionLevel(AstVisitor):
+    def __init__(self):
+        self.condition_level = 0
+
+    def visit_default_func(self, node: mparser.BaseNode):
+        node.condition_level = self.condition_level
+
+    def visit_ForeachClauseNode(self, node: mparser.ForeachClauseNode):
+        self.visit_default_func(node)
+        self.condition_level += 1
+        node.items.accept(self)
+        node.block.accept(self)
+        self.condition_level -= 1
+
+    def visit_IfClauseNode(self, node: mparser.IfClauseNode):
+        self.visit_default_func(node)
+        for i in node.ifs:
+            i.accept(self)
+        if node.elseblock:
+            self.condition_level += 1
+            node.elseblock.accept(self)
+            self.condition_level -= 1
+
+    def visit_IfNode(self, node: mparser.IfNode):
+        self.visit_default_func(node)
+        self.condition_level += 1
+        node.condition.accept(self)
+        node.block.accept(self)
+        self.condition_level -= 1
diff --git a/mesonbuild/mintro.py b/mesonbuild/mintro.py
index ed74781..349a399 100644
--- a/mesonbuild/mintro.py
+++ b/mesonbuild/mintro.py
@@ -22,7 +22,7 @@ project files and don't need this info."""
 import json
 from . import build, coredata as cdata
 from . import mesonlib
-from .ast import IntrospectionInterpreter, build_target_functions
+from .ast import IntrospectionInterpreter, build_target_functions, AstConditionLevel, AstIDGenerator, AstIndentationGenerator
 from . import mlog
 from .backend import backends
 from .mparser import FunctionNode, ArrayNode, ArgumentNode, StringNode
@@ -63,6 +63,7 @@ def get_meson_introspection_types(coredata: cdata.CoreData = None, builddata: bu
         },
         'dependencies': {
             'func': lambda: list_deps(coredata),
+            'no_bd': lambda intr: list_deps_from_source(intr),
             'desc': 'List external dependencies.',
         },
         'installed': {
@@ -286,6 +287,12 @@ def list_buildsystem_files(builddata: build.Build):
     filelist = [os.path.join(src_dir, x) for x in filelist]
     return filelist
 
+def list_deps_from_source(intr: IntrospectionInterpreter):
+    result = []
+    for i in intr.dependencies:
+        result += [{k: v for k, v in i.items() if k in ['name', 'required', 'has_fallback', 'conditional']}]
+    return result
+
 def list_deps(coredata: cdata.CoreData):
     result = []
     for d in coredata.deps.values():
@@ -377,7 +384,7 @@ def run(options):
         # Make sure that log entries in other parts of meson don't interfere with the JSON output
         mlog.disable()
         backend = backends.get_backend_from_name(options.backend, None)
-        intr = IntrospectionInterpreter(sourcedir, '', backend.name)
+        intr = IntrospectionInterpreter(sourcedir, '', backend.name, visitors = [AstIDGenerator(), AstIndentationGenerator(), AstConditionLevel()])
         intr.analyze()
         # Reenable logging just in case
         mlog.enable()
diff --git a/mesonbuild/rewriter.py b/mesonbuild/rewriter.py
index ec78521..c997434 100644
--- a/mesonbuild/rewriter.py
+++ b/mesonbuild/rewriter.py
@@ -23,7 +23,7 @@
 # - move targets
 # - reindent?
 
-from .ast import IntrospectionInterpreter, build_target_functions, AstIDGenerator, AstIndentationGenerator, AstPrinter
+from .ast import IntrospectionInterpreter, build_target_functions, AstConditionLevel, AstIDGenerator, AstIndentationGenerator, AstPrinter
 from mesonbuild.mesonlib import MesonException
 from . import mlog, mparser, environment
 from functools import wraps
@@ -324,7 +324,7 @@ rewriter_func_kwargs = {
 class Rewriter:
     def __init__(self, sourcedir: str, generator: str = 'ninja'):
         self.sourcedir = sourcedir
-        self.interpreter = IntrospectionInterpreter(sourcedir, '', generator, visitors = [AstIDGenerator(), AstIndentationGenerator()])
+        self.interpreter = IntrospectionInterpreter(sourcedir, '', generator, visitors = [AstIDGenerator(), AstIndentationGenerator(), AstConditionLevel()])
         self.modefied_nodes = []
         self.to_remove_nodes = []
         self.to_add_nodes = []