// Copyright 2021 The Dawn & Tint Authors // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are met: // // 1. Redistributions of source code must retain the above copyright notice, this // list of conditions and the following disclaimer. // // 2. Redistributions in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // // 3. Neither the name of the copyright holder nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "src/tint/lang/wgsl/resolver/dependency_graph.h" #include <string> #include <utility> #include <variant> #include <vector> #include "src/tint/lang/core/builtin_type.h" #include "src/tint/lang/core/builtin_value.h" #include "src/tint/lang/wgsl/ast/alias.h" #include "src/tint/lang/wgsl/ast/assignment_statement.h" #include "src/tint/lang/wgsl/ast/blend_src_attribute.h" #include "src/tint/lang/wgsl/ast/block_statement.h" #include "src/tint/lang/wgsl/ast/break_if_statement.h" #include "src/tint/lang/wgsl/ast/break_statement.h" #include "src/tint/lang/wgsl/ast/call_statement.h" #include "src/tint/lang/wgsl/ast/color_attribute.h" #include "src/tint/lang/wgsl/ast/compound_assignment_statement.h" #include "src/tint/lang/wgsl/ast/const.h" #include "src/tint/lang/wgsl/ast/continue_statement.h" #include "src/tint/lang/wgsl/ast/diagnostic_attribute.h" #include "src/tint/lang/wgsl/ast/discard_statement.h" #include "src/tint/lang/wgsl/ast/for_loop_statement.h" #include "src/tint/lang/wgsl/ast/id_attribute.h" #include "src/tint/lang/wgsl/ast/identifier.h" #include "src/tint/lang/wgsl/ast/if_statement.h" #include "src/tint/lang/wgsl/ast/increment_decrement_statement.h" #include "src/tint/lang/wgsl/ast/input_attachment_index_attribute.h" #include "src/tint/lang/wgsl/ast/internal_attribute.h" #include "src/tint/lang/wgsl/ast/interpolate_attribute.h" #include "src/tint/lang/wgsl/ast/invariant_attribute.h" #include "src/tint/lang/wgsl/ast/let.h" #include "src/tint/lang/wgsl/ast/location_attribute.h" #include "src/tint/lang/wgsl/ast/loop_statement.h" #include "src/tint/lang/wgsl/ast/must_use_attribute.h" #include "src/tint/lang/wgsl/ast/override.h" #include "src/tint/lang/wgsl/ast/return_statement.h" #include "src/tint/lang/wgsl/ast/stage_attribute.h" #include "src/tint/lang/wgsl/ast/stride_attribute.h" #include "src/tint/lang/wgsl/ast/struct.h" #include "src/tint/lang/wgsl/ast/struct_member_align_attribute.h" #include "src/tint/lang/wgsl/ast/struct_member_offset_attribute.h" #include "src/tint/lang/wgsl/ast/struct_member_size_attribute.h" #include "src/tint/lang/wgsl/ast/switch_statement.h" #include "src/tint/lang/wgsl/ast/templated_identifier.h" #include "src/tint/lang/wgsl/ast/traverse_expressions.h" #include "src/tint/lang/wgsl/ast/var.h" #include "src/tint/lang/wgsl/ast/variable_decl_statement.h" #include "src/tint/lang/wgsl/ast/while_statement.h" #include "src/tint/lang/wgsl/ast/workgroup_attribute.h" #include "src/tint/lang/wgsl/sem/builtin_fn.h" #include "src/tint/utils/containers/map.h" #include "src/tint/utils/containers/scope_stack.h" #include "src/tint/utils/containers/unique_vector.h" #include "src/tint/utils/macros/compiler.h" #include "src/tint/utils/macros/defer.h" #include "src/tint/utils/macros/scoped_assignment.h" #include "src/tint/utils/memory/block_allocator.h" #include "src/tint/utils/rtti/switch.h" #include "src/tint/utils/text/string.h" #include "src/tint/utils/text/string_stream.h" #define TINT_DUMP_DEPENDENCY_GRAPH … namespace tint::resolver { namespace { // Forward declaration struct Global; /// Dependency describes how one global depends on another global struct DependencyInfo { … }; /// DependencyEdge describes the two Globals used to define a dependency /// relationship. struct DependencyEdge { … }; /// A map of DependencyEdge to DependencyInfo DependencyEdges; /// Global describes a module-scope variable, type or function. struct Global { … }; /// A map of global name to Global GlobalMap; /// @returns a new error diagnostic with the given source. diag::Diagnostic& AddError(diag::List& diagnostics, const Source& source) { … } /// @returns a new note diagnostic with the given source. diag::Diagnostic& AddNote(diag::List& diagnostics, const Source& source) { … } /// DependencyScanner is used to traverse a module to build the list of /// global-to-global dependencies. class DependencyScanner { … }; /// The global dependency analysis system struct DependencyAnalysis { … }; } // namespace DependencyGraph::DependencyGraph() = default; DependencyGraph::DependencyGraph(DependencyGraph&&) = default; DependencyGraph::~DependencyGraph() = default; bool DependencyGraph::Build(const ast::Module& module, diag::List& diagnostics, DependencyGraph& output) { … } std::string ResolvedIdentifier::String() const { … } } // namespace tint::resolver
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