160 lines
4 KiB
Python
160 lines
4 KiB
Python
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import os, sys
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument("term_file", help="name of file containing postprocessing term spec")
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parser.add_argument("-b", "--build-info", action="store_true", help="print build_info instead of code")
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parser.add_argument("-p", "--print_report", action="store_true", help="print code generation report instead of code")
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args = parser.parse_args()
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from lark import Lark, Visitor, Transformer, v_args, Token
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from post import *
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from resources.m_template import mod_form
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calc_grammar = """
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?varlist: "[" [NAME ("," NAME)*] "]"
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?start: statement*
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?statement: NAME [ "(" [attr_list] ")" ] "=" sum -> assign_var
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| avg "{" [NAME ("," NAME)*] "}" -> assign_avg_var
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| varlist
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?attr_list: attr_pair ("," attr_pair)*
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?attr_pair: NAME "=" NAME
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| NAME "=" INT
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?sum: product
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| sum "+" product -> add
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| sum "-" product -> sub
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?product: atom
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| product "*" atom -> mul
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| product "/" atom -> div
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?atom: NUMBER -> number
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| "-" atom -> neg
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| NAME -> var
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| NAME "'" -> fluc
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| "$" NAME -> env
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| "(" sum ")"
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| inlinefunc "(" sum ")" -> icall
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| mathfunc "(" sum ("," sum)* ")" -> fcall
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| derivative "(" NAME ")" -> dnx
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avg: "avg" [NAME]
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?inlinefunc: "sqr" -> sqr
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| "pow3" -> pow3
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?mathfunc: "log" -> log
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| "exp" -> exp
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| "sqrt" -> sqrt
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| "abs" -> abs
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| "rxn_rate" -> rxn_rate
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| "$" NAME -> udf
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?derivative: "ddx" -> ddx
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| "d2dx" -> d2dx
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| "ddy" -> ddy
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| "d2dy" -> d2dy
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| "ddz" -> ddz
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| "d2dz" -> d2dz
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%import common.CNAME -> NAME
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%import common.NUMBER
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%import common.INT
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%import common.WS
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COMMENT: /#.*/
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%ignore COMMENT
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%ignore WS
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"""
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def tok_to_int(tok):
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"Convert the value of `tok` from string to int, while maintaining line number & column."
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# tok.type == 'INT'
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return Token.new_borrow_pos(tok.type, int(tok), tok)
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class VersionInfo(object):
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def __init__ (self, input_raw):
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import os, datetime
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import subprocess as sp
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bd = 'build date: {}'
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bb = 'build base: {}'
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self.build_date = bd.format(datetime.datetime.today().ctime())
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try:
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self.build_base = bb.format(sp.check_output(["git", "rev-parse", "HEAD"]).strip())
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except sp.CalledProcessError:
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self.build_base = "None"
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try:
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sp.check_output("git diff --exit-code".split())
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sp.check_output("git diff --cached --exit-code".split())
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self.off_base = ""
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except sp.CalledProcessError:
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self.off_base = "built with changes not commited"
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tinfo = '''
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================================================================================
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************************************ terms *************************************
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--------------------------------------------------------------------------------
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{}
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================================================================================
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'''
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self.term_info = tinfo.format(input_raw)
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def fparams (self):
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return "\n".join([self.build_date, self.build_base, self.off_base, self.term_info])
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def test(terms_raw, report=False):
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tree = Lark(calc_grammar, parser='lalr', lexer_callbacks = {'INT': tok_to_int}).parse(terms_raw)
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ir1 = Stage1(tree)
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ir2 = Stage2(ir1)
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ir3 = Stage3(ir2)
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ir4 = Stage4(ir3)
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cdict = ir4.print_program()
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if not report:
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print mod_form.format( cdict )
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else:
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ir4.save_ir()
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def build_info(terms_raw):
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vinfo = VersionInfo(terms_raw)
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print vinfo.fparams()
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if __name__ == '__main__':
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with open(args.term_file) as inputfile:
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terms_raw = ((inputfile.read()))
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if args.build_info:
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build_info(terms_raw)
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else:
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test(terms_raw, args.print_report)
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