Tracks which modules has public header code that must be imported

by user modules.

Introduced classes

private class HeaderDependancyPhase

nitc :: HeaderDependancyPhase

Redefined classes

redef class AModule

nitc :: header_dependency $ AModule

The main node of a Nit source-file

redef class MModule

nitc :: header_dependency $ MModule

A Nit module is usually associated with a Nit source file.

redef class ToolContext

nitc :: header_dependency $ ToolContext

Global context for tools

All class definitions

redef class AModule

nitc :: header_dependency $ AModule

The main node of a Nit source-file

private class HeaderDependancyPhase

nitc $ HeaderDependancyPhase

redef class MModule

nitc :: header_dependency $ MModule

A Nit module is usually associated with a Nit source file.

redef class ToolContext

nitc :: header_dependency $ ToolContext

Global context for tools

Ancestors

module abstract_collection

core :: abstract_collection

Abstract collection classes and services.

module abstract_text

core :: abstract_text

Abstract class for manipulation of sequences of characters

module annotation

nitc :: annotation

Management and utilities on annotations

module array

This module introduces the standard array structure.

module auto_super_init

nitc :: auto_super_init

Computing of super-constructors that must be implicitly called at the begin of constructors.

module bitset

Services to handle BitSet

module bytes

Services for byte streams and arrays

module c_tools

nitc :: c_tools

provides tools to write C .c and .h files

module caching

serialization :: caching

Services for caching serialization engines

module circular_array

core :: circular_array

Efficient data structure to access both end of the sequence.

module codec_base

core :: codec_base

Base for codecs to use with streams

module codecs

Group module for all codec-related manipulations

module collection

core :: collection

This module define several collection classes.

module console

console :: console

Defines some ANSI Terminal Control Escape Sequences.

module core

Standard classes and methods used by default by Nit programs and libraries.

module csv

CSV document handling.

module digraph

graph :: digraph

Implementation of directed graphs, also called digraphs.

module engine_tools

serialization :: engine_tools

Advanced services for serialization engines

module environ

core :: environ

Access to the environment variables of the process

module error

Standard error-management infrastructure.

module exec

Invocation and management of operating system sub-processes.

module explain_assert_api

nitc :: explain_assert_api

Explain failed assert to the console (service declaration only)

module ffi_base

nitc :: ffi_base

Tools and utilities for implement FFI with different languages

module file

File manipulations (create, read, write, etc.)

module fixed_ints

core :: fixed_ints

Basic integers of fixed-precision

module fixed_ints_text

core :: fixed_ints_text

Text services to complement fixed_ints

module flat

All the array-based text representations

module flow

Intraprocedural static flow.

module gc

Access to the Nit internal garbage collection mechanism

module hash_collection

core :: hash_collection

Introduce HashMap and HashSet.

module ini

Read and write INI configuration files

module inspect

serialization :: inspect

Refine Serializable::inspect to show more useful information

module iso8859_1

core :: iso8859_1

Codec for ISO8859-1 I/O

module kernel

Most basic classes and methods.

module lexer

Lexer and its tokens.

module lexer_work

nitc :: lexer_work

Internal algorithm and data structures for the Nit lexer

module light_c

nitc :: light_c

Support for nesting C code within a Nit program using its FFI

module light_ffi_base

nitc :: light_ffi_base

Tools and utilities for implement FFI with different languages

module list

This module handle double linked lists

module literal

nitc :: literal

Parsing of literal values in the abstract syntax tree.

module loader

Loading of Nit source files

module local_var_init

nitc :: local_var_init

Verify that local variables are initialized before their usage

module location

nitc :: location

Nit source-file and locations in source-file

module math

Mathematical operations

module mdoc

Documentation of model entities

module meta

Simple user-defined meta-level to manipulate types of instances as object.

module mmodule

nitc :: mmodule

modules and module hierarchies in the metamodel

module mmodule_data

nitc :: mmodule_data

Define and retrieve data in modules

module model

Classes, types and properties

module model_base

nitc :: model_base

The abstract concept of model and related common things

module modelbuilder

nitc :: modelbuilder

module modelbuilder_base

nitc :: modelbuilder_base

Load nit source files and build the associated model

module modelize

nitc :: modelize

Create a model from nit source files

module modelize_class

nitc :: modelize_class

Analysis and verification of class definitions to instantiate model element

module modelize_property

nitc :: modelize_property

Analysis and verification of property definitions to instantiate model element

module more_collections

more_collections :: more_collections

Highly specific, but useful, collections-related classes.

module mpackage

nitc :: mpackage

Modelisation of a Nit package

module native

Native structures for text and bytes

module nitni

Native interface related services (used underneath the FFI)

module nitni_base

nitc :: nitni_base

Native interface related services (used underneath the FFI)

module nitni_callbacks

nitc :: nitni_callbacks

nitni services related to callbacks (used underneath the FFI)

module nitni_utilities

nitc :: nitni_utilities

module nitpm_shared

nitc :: nitpm_shared

Services related to the Nit package manager

module numeric

core :: numeric

Advanced services for Numeric types

module opts

Management of options on the command line

module ordered_tree

ordered_tree :: ordered_tree

Manipulation and presentation of ordered trees.

module parser

Parser.

module parser_nodes

nitc :: parser_nodes

AST nodes of the Nit language

module parser_prod

nitc :: parser_prod

Production AST nodes full definition.

module parser_work

nitc :: parser_work

Internal algorithm and data structures for the Nit parser

module phase

Phases of the processing of nit programs

module poset

Pre order sets and partial order set (ie hierarchies)

module protocol

core :: protocol

module queue

Queuing data structures and wrappers

module range

Module for range of discrete objects.

module rapid_type_analysis

nitc :: rapid_type_analysis

Rapid type analysis on the AST

module re

Regular expression support for all services based on Pattern

module ropes

Tree-based representation of a String.

module scope

Identification and scoping of local variables and labels.

module semantize

nitc :: semantize

Process bodies of methods in regard with the model.

module serialization

serialization :: serialization

General serialization services

module serialization_core

serialization :: serialization_core

Abstract services to serialize Nit objects to different formats

module sorter

This module contains classes used to compare things and sorts arrays.

module stream

Input and output streams of characters

module string_search

core :: string_search

Basic string search, match and replace.

module tables

Module that interfaces the parsing tables.

module template

template :: template

Basic template system

module text

All the classes and methods related to the manipulation of text entities

module time

Management of time and dates

module toolcontext

nitc :: toolcontext

Common command-line tool infrastructure than handle options and error messages

module typing

Intraprocedural resolution of static types and OO-services

module union_find

core :: union_find

union–find algorithm using an efficient disjoint-set data structure

module utf8

Codec for UTF-8 I/O

module version

nitc :: version

This file was generated by git-gen-version.sh

Parents

module c

Support for nesting C code within a Nit program using its FFI

Children

module ffi

Full FFI support, independent of the compiler

Descendants

module a_star-m

module android

nitc :: android

Compile program for the Android platform

module compiler

nitc :: compiler

Compilation to C

module dynamic_loading_ffi

nitc :: dynamic_loading_ffi

Execute FFI code by creating and loading shared libraries

module interpreter

nitc :: interpreter

Interpretation of Nit programs

module nit

A naive Nit interpreter

module nitc

A Nit compiler

module on_demand_compiler

nitc :: on_demand_compiler

Compiles extern code within a module to a static library, as needed

module test_astbuilder

nitc :: test_astbuilder

Program used to test the clone method of the astbuilder tool

# Tracks which modules has public header code that must be imported
# by user modules.
module header_dependency

import ffi_base
import c

redef class ToolContext
	var header_dependancy_phase: Phase = new HeaderDependancyPhase(self, [ffi_language_assignation_phase, modelize_class_phase])
end

redef class AModule
	private fun has_public_c_header: Bool do
		for code_block in n_extern_code_blocks do if code_block.is_c_header then return true
		return false
	end
end

redef class MModule
	# Modules with public foreign code blocks (C header)
	var header_dependencies: nullable HashSet[MModule] = null

	private fun compute_header_dependencies(v: HeaderDependancyPhase)
	do
		if header_dependencies != null then return

		var header_dependencies = new HashSet[MModule]

		# gather from importation
		for m in in_importation.direct_greaters do
			m.compute_header_dependencies v

			# does the super module has inherited dependencies?
			var hd = m.header_dependencies
			assert hd != null
			if not hd.is_empty then
				header_dependencies.add_all hd
			end

			# does the super module itself has extern dependencies?
			var amodule = v.toolcontext.modelbuilder.mmodule2node(m)
			if amodule != null and amodule.has_public_c_header then header_dependencies.add(m)
		end

		self.header_dependencies = header_dependencies
	end
end

private class HeaderDependancyPhase
	super Phase

	redef fun process_nmodule(nmodule)
	do
		var mmodule = nmodule.mmodule
		mmodule.compute_header_dependencies(self)
	end
end

src/ffi/header_dependency.nit:17,1--73,3