mirror of
https://gitlab.com/ita1024/waf.git
synced 2024-11-17 23:46:53 +01:00
115 lines
2.8 KiB
Python
115 lines
2.8 KiB
Python
#! /usr/bin/env python
|
|
# encoding: utf-8
|
|
# DC 2008
|
|
# Thomas Nagy 2016 (ita)
|
|
|
|
import re
|
|
|
|
INC_REGEX = """(?:^|['">]\s*;)\s*(?:|#\s*)INCLUDE\s+(?:\w+_)?[<"'](.+?)(?=["'>])"""
|
|
USE_REGEX = """(?:^|;)\s*USE(?:\s+|(?:(?:\s*,\s*(?:NON_)?INTRINSIC)?\s*::))\s*(\w+)"""
|
|
MOD_REGEX = """(?:^|;)\s*MODULE(?!\s*PROCEDURE)(?:\s+|(?:(?:\s*,\s*(?:NON_)?INTRINSIC)?\s*::))\s*(\w+)"""
|
|
|
|
re_inc = re.compile(INC_REGEX, re.I)
|
|
re_use = re.compile(USE_REGEX, re.I)
|
|
re_mod = re.compile(MOD_REGEX, re.I)
|
|
|
|
class fortran_parser(object):
|
|
"""
|
|
This parser returns:
|
|
|
|
* the nodes corresponding to the module names to produce
|
|
* the nodes corresponding to the include files used
|
|
* the module names used by the fortran files
|
|
"""
|
|
def __init__(self, incpaths):
|
|
self.seen = []
|
|
"""Files already parsed"""
|
|
|
|
self.nodes = []
|
|
"""List of :py:class:`waflib.Node.Node` representing the dependencies to return"""
|
|
|
|
self.names = []
|
|
"""List of module names to return"""
|
|
|
|
self.incpaths = incpaths
|
|
"""List of :py:class:`waflib.Node.Node` representing the include paths"""
|
|
|
|
def find_deps(self, node):
|
|
"""
|
|
Parses a Fortran file to obtain the dependencies used/provided
|
|
|
|
:param node: fortran file to read
|
|
:type node: :py:class:`waflib.Node.Node`
|
|
:return: lists representing the includes, the modules used, and the modules created by a fortran file
|
|
:rtype: tuple of list of strings
|
|
"""
|
|
txt = node.read()
|
|
incs = []
|
|
uses = []
|
|
mods = []
|
|
for line in txt.splitlines():
|
|
# line by line regexp search? optimize?
|
|
m = re_inc.search(line)
|
|
if m:
|
|
incs.append(m.group(1))
|
|
m = re_use.search(line)
|
|
if m:
|
|
uses.append(m.group(1))
|
|
m = re_mod.search(line)
|
|
if m:
|
|
mods.append(m.group(1))
|
|
return (incs, uses, mods)
|
|
|
|
def start(self, node):
|
|
"""
|
|
Start parsing. Use the stack ``self.waiting`` to hold nodes to iterate on
|
|
|
|
:param node: fortran file
|
|
:type node: :py:class:`waflib.Node.Node`
|
|
"""
|
|
self.waiting = [node]
|
|
while self.waiting:
|
|
nd = self.waiting.pop(0)
|
|
self.iter(nd)
|
|
|
|
def iter(self, node):
|
|
"""
|
|
Processes a single file during dependency parsing. Extracts files used
|
|
modules used and modules provided.
|
|
"""
|
|
incs, uses, mods = self.find_deps(node)
|
|
for x in incs:
|
|
if x in self.seen:
|
|
continue
|
|
self.seen.append(x)
|
|
self.tryfind_header(x)
|
|
|
|
for x in uses:
|
|
name = "USE@%s" % x
|
|
if not name in self.names:
|
|
self.names.append(name)
|
|
|
|
for x in mods:
|
|
name = "MOD@%s" % x
|
|
if not name in self.names:
|
|
self.names.append(name)
|
|
|
|
def tryfind_header(self, filename):
|
|
"""
|
|
Adds an include file to the list of nodes to process
|
|
|
|
:param filename: file name
|
|
:type filename: string
|
|
"""
|
|
found = None
|
|
for n in self.incpaths:
|
|
found = n.find_resource(filename)
|
|
if found:
|
|
self.nodes.append(found)
|
|
self.waiting.append(found)
|
|
break
|
|
if not found:
|
|
if not filename in self.names:
|
|
self.names.append(filename)
|
|
|