Module: MilkTea::CBackend::FeatureDetection
- Included in:
- MilkTea::CBackend
- Defined in:
- lib/milk_tea/core/c_backend/feature_detection.rb
Constant Summary collapse
- FORMAT_HELPER_DEPENDENCIES =
{ 'mt_format_append_str' => %w[mt_format_append_bytes mt_format_check_capacity], 'mt_format_append_cstr' => %w[mt_format_append_bytes mt_format_check_capacity mt_format_cstr_len], 'mt_format_append_bool' => %w[mt_format_append_bytes mt_format_check_capacity], 'mt_format_append_ptr_uint' => %w[mt_format_check_capacity mt_format_ptr_uint_len], 'mt_format_append_ulong' => %w[mt_format_check_capacity mt_format_ulong_len], 'mt_format_append_uint' => %w[mt_format_append_ptr_uint mt_format_check_capacity mt_format_ptr_uint_len], 'mt_format_append_long' => %w[mt_format_append_bytes mt_format_check_capacity mt_format_append_ulong mt_format_ulong_len], 'mt_format_append_int' => %w[mt_format_append_bytes mt_format_check_capacity mt_format_append_ptr_uint mt_format_ptr_uint_len], 'mt_format_append_ulong_hex' => %w[mt_format_check_capacity mt_format_ulong_hex_len], 'mt_format_append_ulong_hex_upper' => %w[mt_format_check_capacity mt_format_ulong_hex_len], 'mt_format_append_long_hex' => %w[mt_format_append_bytes mt_format_check_capacity mt_format_append_ulong_hex mt_format_ulong_hex_len], 'mt_format_append_long_hex_upper' => %w[mt_format_append_bytes mt_format_check_capacity mt_format_append_ulong_hex_upper mt_format_ulong_hex_len], 'mt_format_append_ulong_oct' => %w[mt_format_check_capacity mt_format_ulong_oct_len], 'mt_format_append_long_oct' => %w[mt_format_append_bytes mt_format_check_capacity mt_format_append_ulong_oct mt_format_ulong_oct_len], 'mt_format_append_ulong_bin' => %w[mt_format_check_capacity mt_format_ulong_bin_len], 'mt_format_append_long_bin' => %w[mt_format_append_bytes mt_format_check_capacity mt_format_append_ulong_bin mt_format_ulong_bin_len], 'mt_format_append_float' => %w[mt_format_check_capacity mt_format_float_len], 'mt_format_append_double' => %w[mt_format_check_capacity mt_format_double_len], 'mt_format_append_double_precision' => %w[mt_format_check_capacity mt_format_double_precision_len], 'mt_format_int_len' => %w[mt_format_ptr_uint_len], 'mt_format_long_len' => %w[mt_format_ulong_len], 'mt_format_long_hex_len' => %w[mt_format_ulong_hex_len], 'mt_format_long_oct_len' => %w[mt_format_ulong_oct_len], 'mt_format_long_bin_len' => %w[mt_format_ulong_bin_len], }.freeze
Instance Method Summary collapse
- #expression_uses_named_call?(expression, callees) ⇒ Boolean
- #expression_uses_str_equality?(expression) ⇒ Boolean
- #expression_uses_variant_equality?(expression) ⇒ Boolean
- #expression_uses_vector_math?(expr) ⇒ Boolean
- #format_helper_callees ⇒ Object
- #function_uses_named_call?(function, callees) ⇒ Boolean
- #function_uses_str_equality?(function) ⇒ Boolean
- #function_uses_variant_equality?(function) ⇒ Boolean
- #statement_uses_named_call?(statement, callees) ⇒ Boolean
- #statement_uses_str_equality?(statement) ⇒ Boolean
- #statement_uses_variant_equality?(statement) ⇒ Boolean
- #statement_uses_vector_math?(stmt) ⇒ Boolean
- #type_contains_string_view?(type) ⇒ Boolean
- #type_contains_vector_math?(type) ⇒ Boolean
- #used_format_helpers ⇒ Object
- #uses_async_memory_helpers? ⇒ Boolean
- #uses_cyclic_variant_heap_copy? ⇒ Boolean
- #uses_detach_helper? ⇒ Boolean
- #uses_entrypoint_argv_helpers? ⇒ Boolean
- #uses_fatal_helper? ⇒ Boolean
- #uses_fmt_builder? ⇒ Boolean
- #uses_foreign_temp_cstr_helpers? ⇒ Boolean
- #uses_format_helpers? ⇒ Boolean
- #uses_mt_fatal_helper? ⇒ Boolean
- #uses_mt_fatal_str_helper? ⇒ Boolean
- #uses_parallel_for_helper? ⇒ Boolean
- #uses_spawn_all_helper? ⇒ Boolean
- #uses_str_buffer_helpers? ⇒ Boolean
- #uses_str_equality_helper? ⇒ Boolean
- #uses_string_view? ⇒ Boolean
- #uses_text_buffer_helpers? ⇒ Boolean
- #uses_variant_equality_helper? ⇒ Boolean
- #uses_vector_math_types? ⇒ Boolean
Instance Method Details
#expression_uses_named_call?(expression, callees) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 407 def expression_uses_named_call?(expression, callees) case expression when IR::Call callees.include?(expression.callee) || (!expression.callee.is_a?(String) && expression_uses_named_call?(expression.callee, callees)) || expression.arguments.any? { |argument| expression_uses_named_call?(argument, callees) } when IR::Member expression_uses_named_call?(expression.receiver, callees) when IR::Index, IR::CheckedIndex, IR::CheckedSpanIndex, IR::NullableIndex, IR::NullableSpanIndex expression_uses_named_call?(expression.receiver, callees) || expression_uses_named_call?(expression.index, callees) when IR::Unary expression_uses_named_call?(expression.operand, callees) when IR::Binary expression_uses_named_call?(expression.left, callees) || expression_uses_named_call?(expression.right, callees) when IR::Conditional expression_uses_named_call?(expression.condition, callees) || expression_uses_named_call?(expression.then_expression, callees) || expression_uses_named_call?(expression.else_expression, callees) when IR::ReinterpretExpr, IR::Cast, IR::AddressOf expression_uses_named_call?(expression.expression, callees) when IR::AggregateLiteral expression.fields.any? { |field| expression_uses_named_call?(field.value, callees) } when IR::ArrayLiteral expression.elements.any? { |element| expression_uses_named_call?(element, callees) } when IR::VariantLiteral expression.fields.any? { |field| expression_uses_named_call?(field.value, callees) } else false end end |
#expression_uses_str_equality?(expression) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 436 def expression_uses_str_equality?(expression) case expression when IR::Binary str_equality_expression?(expression) || expression_uses_str_equality?(expression.left) || expression_uses_str_equality?(expression.right) when IR::Call (!expression.callee.is_a?(String) && expression_uses_str_equality?(expression.callee)) || expression.arguments.any? { |argument| expression_uses_str_equality?(argument) } when IR::Member expression_uses_str_equality?(expression.receiver) when IR::Index, IR::CheckedIndex, IR::CheckedSpanIndex, IR::NullableIndex, IR::NullableSpanIndex expression_uses_str_equality?(expression.receiver) || expression_uses_str_equality?(expression.index) when IR::Unary expression_uses_str_equality?(expression.operand) when IR::Conditional expression_uses_str_equality?(expression.condition) || expression_uses_str_equality?(expression.then_expression) || expression_uses_str_equality?(expression.else_expression) when IR::ReinterpretExpr, IR::Cast, IR::AddressOf expression_uses_str_equality?(expression.expression) when IR::AggregateLiteral expression.fields.any? { |field| expression_uses_str_equality?(field.value) } when IR::ArrayLiteral expression.elements.any? { |element| expression_uses_str_equality?(element) } when IR::VariantLiteral expression.fields.any? { |field| expression_uses_str_equality?(field.value) } else false end end |
#expression_uses_variant_equality?(expression) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 323 def expression_uses_variant_equality?(expression) return false unless expression case expression when IR::Binary EQUALITY_OPERATORS.include?(expression.operator) && (expression.left.type.is_a?(Types::Variant) || expression.left.type.is_a?(Types::VariantArmPayload)) when IR::Call expression.arguments.any? { |arg| expression_uses_variant_equality?(arg) } else false end end |
#expression_uses_vector_math?(expr) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 91 def expression_uses_vector_math?(expr) return false unless expr return true if expr.respond_to?(:type) && type_contains_vector_math?(expr.type) case expr when IR::Assignment expression_uses_vector_math?(expr.target) || expression_uses_vector_math?(expr.value) when IR::AggregateLiteral expr.fields.any? { |f| expression_uses_vector_math?(f.value) } when IR::Binary expression_uses_vector_math?(expr.left) || expression_uses_vector_math?(expr.right) when IR::Unary expression_uses_vector_math?(expr.operand) when IR::Call expr.arguments.any? { |a| expression_uses_vector_math?(a) } when IR::Member expression_uses_vector_math?(expr.receiver) when IR::Index expression_uses_vector_math?(expr.receiver) when IR::Conditional expression_uses_vector_math?(expr.then_expression) || expression_uses_vector_math?(expr.else_expression) else false end end |
#format_helper_callees ⇒ Object
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 190 def format_helper_callees %w[ mt_format_str_make mt_format_str_release mt_format_cstr_len mt_format_bool_len mt_format_ptr_uint_len mt_format_ulong_len mt_format_uint_len mt_format_long_len mt_format_int_len mt_format_ulong_hex_len mt_format_long_hex_len mt_format_float_len mt_format_double_len mt_format_double_precision_len mt_format_ulong_oct_len mt_format_long_oct_len mt_format_ulong_bin_len mt_format_long_bin_len mt_format_append_str mt_format_append_cstr mt_format_append_bool mt_format_append_ptr_uint mt_format_append_ulong mt_format_append_uint mt_format_append_long mt_format_append_int mt_format_append_ulong_hex mt_format_append_ulong_hex_upper mt_format_append_long_hex mt_format_append_long_hex_upper mt_format_append_float mt_format_append_double mt_format_append_double_precision mt_format_append_ulong_oct mt_format_append_long_oct mt_format_append_ulong_bin mt_format_append_long_bin ] end |
#function_uses_named_call?(function, callees) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 337 def function_uses_named_call?(function, callees) function.body.any? { |statement| statement_uses_named_call?(statement, callees) } end |
#function_uses_str_equality?(function) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 341 def function_uses_str_equality?(function) function.body.any? { |statement| statement_uses_str_equality?(statement) } end |
#function_uses_variant_equality?(function) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 300 def function_uses_variant_equality?(function) function.body.any? { |statement| statement_uses_variant_equality?(statement) } end |
#statement_uses_named_call?(statement, callees) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 345 def statement_uses_named_call?(statement, callees) case statement when IR::LocalDecl expression_uses_named_call?(statement.value, callees) when IR::Assignment expression_uses_named_call?(statement.target, callees) || expression_uses_named_call?(statement.value, callees) when IR::BlockStmt statement.body.any? { |inner| statement_uses_named_call?(inner, callees) } when IR::WhileStmt expression_uses_named_call?(statement.condition, callees) || statement.body.any? { |inner| statement_uses_named_call?(inner, callees) } when IR::ForStmt statement_uses_named_call?(statement.init, callees) || expression_uses_named_call?(statement.condition, callees) || statement.body.any? { |inner| statement_uses_named_call?(inner, callees) } || statement_uses_named_call?(statement.post, callees) when IR::IfStmt expression_uses_named_call?(statement.condition, callees) || statement.then_body.any? { |inner| statement_uses_named_call?(inner, callees) } || (statement.else_body && statement.else_body.any? { |inner| statement_uses_named_call?(inner, callees) }) when IR::SwitchStmt expression_uses_named_call?(statement.expression, callees) || statement.cases.any? { |switch_case| switch_case.body.any? { |inner| statement_uses_named_call?(inner, callees) } } when IR::StaticAssert expression_uses_named_call?(statement.condition, callees) || expression_uses_named_call?(statement., callees) when IR::ReturnStmt statement.value && expression_uses_named_call?(statement.value, callees) when IR::ExpressionStmt expression_uses_named_call?(statement.expression, callees) end end |
#statement_uses_str_equality?(statement) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 375 def statement_uses_str_equality?(statement) case statement when IR::LocalDecl expression_uses_str_equality?(statement.value) when IR::Assignment expression_uses_str_equality?(statement.target) || expression_uses_str_equality?(statement.value) when IR::BlockStmt statement.body.any? { |inner| statement_uses_str_equality?(inner) } when IR::WhileStmt expression_uses_str_equality?(statement.condition) || statement.body.any? { |inner| statement_uses_str_equality?(inner) } when IR::ForStmt statement_uses_str_equality?(statement.init) || expression_uses_str_equality?(statement.condition) || statement.body.any? { |inner| statement_uses_str_equality?(inner) } || statement_uses_str_equality?(statement.post) when IR::IfStmt expression_uses_str_equality?(statement.condition) || statement.then_body.any? { |inner| statement_uses_str_equality?(inner) } || (statement.else_body && statement.else_body.any? { |inner| statement_uses_str_equality?(inner) }) when IR::SwitchStmt expression_uses_str_equality?(statement.expression) || statement.cases.any? { |switch_case| switch_case.body.any? { |inner| statement_uses_str_equality?(inner) } } when IR::StaticAssert expression_uses_str_equality?(statement.condition) || expression_uses_str_equality?(statement.) when IR::ReturnStmt statement.value && expression_uses_str_equality?(statement.value) when IR::ExpressionStmt expression_uses_str_equality?(statement.expression) else false end end |
#statement_uses_variant_equality?(statement) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 304 def statement_uses_variant_equality?(statement) case statement when IR::LocalDecl expression_uses_variant_equality?(statement.value) when IR::ExpressionStmt expression_uses_variant_equality?(statement.expression) when IR::ReturnStmt statement.value && expression_uses_variant_equality?(statement.value) when IR::Assignment expression_uses_variant_equality?(statement.value) when IR::IfStmt expression_uses_variant_equality?(statement.condition) when IR::WhileStmt expression_uses_variant_equality?(statement.condition) else false end end |
#statement_uses_vector_math?(stmt) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 65 def statement_uses_vector_math?(stmt) case stmt when IR::LocalDecl type_contains_vector_math?(stmt.type) when IR::Assignment type_contains_vector_math?(stmt.target.type) || expression_uses_vector_math?(stmt.value) when IR::ExpressionStmt expression_uses_vector_math?(stmt.expression) when IR::ReturnStmt stmt.value && expression_uses_vector_math?(stmt.value) when IR::BlockStmt stmt.body.any? { |s| statement_uses_vector_math?(s) } when IR::WhileStmt stmt.body.any? { |s| statement_uses_vector_math?(s) } when IR::ForStmt stmt.body.any? { |s| statement_uses_vector_math?(s) } when IR::IfStmt stmt.then_body.any? { |s| statement_uses_vector_math?(s) } || (stmt.else_body && stmt.else_body.any? { |s| statement_uses_vector_math?(s) }) when IR::SwitchStmt stmt.cases.any? { |c| c.body.any? { |s| statement_uses_vector_math?(s) } } else false end end |
#type_contains_string_view?(type) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 33 def type_contains_string_view?(type) return false unless type return true if type.is_a?(Types::StringView) case type when Types::Nullable type_contains_string_view?(type.base) when Types::Span type_contains_string_view?(type.element_type) when Types::GenericInstance type.arguments.any? { |a| type_contains_string_view?(a) } else false end end |
#type_contains_vector_math?(type) ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 116 def type_contains_vector_math?(type) return false unless type return true if type.is_a?(Types::Vector) || type.is_a?(Types::Matrix) || type.is_a?(Types::Quaternion) case type when Types::Nullable type_contains_vector_math?(type.base) when Types::Span type_contains_vector_math?(type.element_type) when Types::GenericInstance type.arguments.any? { |a| type_contains_vector_math?(a) } else false end end |
#used_format_helpers ⇒ Object
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 232 def used_format_helpers @used_format_helpers ||= begin helpers = {} emitted_functions.each do |function| format_helper_callees.each do |callee| helpers[callee] = true if function_uses_named_call?(function, [callee]) end end loop do changed = false helpers.keys.each do |helper| (FORMAT_HELPER_DEPENDENCIES[helper] || []).each do |dependency| next if helpers[dependency] helpers[dependency] = true changed = true end end break unless changed end helpers end end |
#uses_async_memory_helpers? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 163 def uses_async_memory_helpers? emitted_functions.any? { |function| function_uses_named_call?(function, %w[mt_async_alloc mt_async_free]) } end |
#uses_cyclic_variant_heap_copy? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 167 def uses_cyclic_variant_heap_copy? all_variants = emitted_aggregate_variants + collect_generic_variant_decls all_variants.any? do |v| v.arms.any? do |arm| arm.fields.any? do |f| aggregate_field_creates_cycle?(f.type, v.linkage_name) end end end end |
#uses_detach_helper? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 186 def uses_detach_helper? emitted_functions.any? { |function| function_uses_named_call?(function, %w[mt_detach_run mt_detach_join]) } end |
#uses_entrypoint_argv_helpers? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 151 def uses_entrypoint_argv_helpers? emitted_functions.any? { |function| function_uses_named_call?(function, %w[mt_entry_argv_to_span_str mt_free_entry_argv_strs]) } end |
#uses_fatal_helper? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 131 def uses_fatal_helper? uses_mt_fatal_helper? || uses_mt_fatal_str_helper? end |
#uses_fmt_builder? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 6 def uses_fmt_builder? return @uses_fmt_builder if defined?(@uses_fmt_builder) @uses_fmt_builder = emitted_functions.any? do |function| function_uses_named_call?(function, %w[mt_fmt_begin]) end end |
#uses_foreign_temp_cstr_helpers? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 147 def uses_foreign_temp_cstr_helpers? emitted_functions.any? { |function| function_uses_named_call?(function, %w[mt_foreign_str_to_cstr_temp mt_free_foreign_cstr_temp mt_foreign_strs_to_cstrs_temp mt_free_foreign_cstrs_temp]) } end |
#uses_format_helpers? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 288 def uses_format_helpers? !used_format_helpers.empty? end |
#uses_mt_fatal_helper? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 135 def uses_mt_fatal_helper? return true if @debug_guards collect_checked_array_index_types.any? || collect_checked_span_index_types.any? || uses_format_helpers? || emitted_functions.any? { |function| function_uses_named_call?(function, %w[mt_fatal mt_str_buffer_len mt_str_buffer_as_cstr mt_str_buffer_assign mt_str_buffer_append mt_foreign_str_to_cstr_temp mt_foreign_strs_to_cstrs_temp]) } end |
#uses_mt_fatal_str_helper? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 143 def uses_mt_fatal_str_helper? emitted_functions.any? { |function| function_uses_named_call?(function, %w[mt_fatal_str]) } end |
#uses_parallel_for_helper? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 178 def uses_parallel_for_helper? emitted_functions.any? { |function| function_uses_named_call?(function, %w[mt_parallel_for]) } end |
#uses_spawn_all_helper? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 182 def uses_spawn_all_helper? emitted_functions.any? { |function| function_uses_named_call?(function, %w[mt_spawn_all]) } end |
#uses_str_buffer_helpers? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 159 def uses_str_buffer_helpers? emitted_functions.any? { |function| function_uses_named_call?(function, %w[mt_str_buffer_len mt_str_buffer_as_cstr mt_str_buffer_clear mt_str_buffer_assign mt_str_buffer_append mt_str_buffer_prepare_write]) } end |
#uses_str_equality_helper? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 292 def uses_str_equality_helper? emitted_functions.any? { |function| function_uses_str_equality?(function) } end |
#uses_string_view? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 14 def uses_string_view? return @uses_string_view if defined?(@uses_string_view) @uses_string_view = begin uses_fatal_helper? || uses_format_helpers? || uses_str_buffer_helpers? || uses_entrypoint_argv_helpers? || uses_str_equality_helper? || uses_foreign_temp_cstr_helpers? || emitted_functions.any? do |function| type_contains_string_view?(function.return_type) || function.params.any? { |param| type_contains_string_view?(param.type) } end || emitted_aggregate_structs.any? { |s| s.fields.any? { |f| type_contains_string_view?(f.type) } } || emitted_aggregate_unions.any? { |u| u.fields.any? { |f| type_contains_string_view?(f.type) } } || emitted_aggregate_variants.any? { |v| v.arms.any? { |a| a.fields.any? { |f| type_contains_string_view?(f.type) } } } || emitted_constants.any? { |c| type_contains_string_view?(c.type) } || emitted_globals.any? { |g| type_contains_string_view?(g.type) } || !collect_str_literals.empty? end end |
#uses_text_buffer_helpers? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 155 def uses_text_buffer_helpers? uses_str_buffer_helpers? end |
#uses_variant_equality_helper? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 296 def uses_variant_equality_helper? emitted_functions.any? { |function| function_uses_variant_equality?(function) } end |
#uses_vector_math_types? ⇒ Boolean
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# File 'lib/milk_tea/core/c_backend/feature_detection.rb', line 48 def uses_vector_math_types? return @uses_vector_math_types if defined?(@uses_vector_math_types) @uses_vector_math_types = begin emitted_functions.any? do |function| type_contains_vector_math?(function.return_type) || function.params.any? { |param| type_contains_vector_math?(param.type) } || function.body.any? { |stmt| statement_uses_vector_math?(stmt) } end || emitted_aggregate_structs.any? { |s| s.fields.any? { |f| type_contains_vector_math?(f.type) } } || emitted_aggregate_unions.any? { |u| u.fields.any? { |f| type_contains_vector_math?(f.type) } } || emitted_aggregate_variants.any? { |v| v.arms.any? { |a| a.fields.any? { |f| type_contains_vector_math?(f.type) } } } || emitted_constants.any? { |c| type_contains_vector_math?(c.type) } || emitted_globals.any? { |g| type_contains_vector_math?(g.type) } end @uses_vector_math_types end |