156 lines
4.8 KiB
Python
156 lines
4.8 KiB
Python
import os
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import sys
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import argparse
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import datetime
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import subprocess as sp
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from post import (
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CompilationContext,
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ParserStage,
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DerivativeExpansionStage,
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DependencyResolutionStage,
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SympyOptimizationStage,
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FortranProgramWriter,
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ReportWriter,
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LatexWriter
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)
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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("-x", "--print-latex", action="store_true", help="print latex equation 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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parser.add_argument("-m", "--make-build-module", action="store_true", help="print build_info Fortran module instead of code")
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args = parser.parse_args()
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class VersionInfo(object):
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def __init__ (self, input_raw):
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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 compile_terms(terms_raw):
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"""Parses DSL terms spec and runs it through compiler stages 1-4.
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Returns:
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ctx (CompilationContext): The compiled context.
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"""
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ctx = CompilationContext()
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ParserStage().execute(terms_raw, ctx)
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DerivativeExpansionStage().execute(ctx)
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DependencyResolutionStage().execute(ctx)
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SympyOptimizationStage().execute(ctx)
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return ctx
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def get_latex_equations_str(ctx):
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"""Generates the LaTeX equations dictionary string from the context."""
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latex_lines = ["{"]
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for avg in ctx.averaged.values():
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latex_lines.append(' "{}" : r"${}$",'.format(avg.name, avg.latex))
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latex_lines.append("}")
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return "\n".join(latex_lines)
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def test(terms_raw, report=False, latex=False):
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"""Compiles the post-processing term specifications from DSL into targets.
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This compiles the Lark AST through all 4 pipeline stages
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and outputs the resulting Fortran source code via FortranProgramWriter,
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a LaTeX equation dictionary via LatexWriter, or an IR report via ReportWriter.
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"""
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ctx = compile_terms(terms_raw)
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if report:
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ReportWriter().write(ctx)
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elif latex:
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LatexWriter().write(ctx)
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else:
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FortranProgramWriter().write(ctx)
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def escape_fortran_string(s):
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"""Escapes string content for standard Fortran source formatting."""
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escaped = s.replace('"', '""')
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lines = escaped.splitlines()
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if not lines:
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return '""'
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formatted_lines = [f'"{line}"' for line in lines]
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return ' // char(10) // &\n '.join(formatted_lines)
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def generate_build_info_module(terms_raw):
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"""Generates a complete standard Fortran module containing build info and LaTeX equations."""
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vinfo = VersionInfo(terms_raw)
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build_info_str = vinfo.fparams()
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ctx = compile_terms(terms_raw)
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latex_str = get_latex_equations_str(ctx)
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fortran_build_info = escape_fortran_string(build_info_str)
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fortran_latex = escape_fortran_string(latex_str)
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fortran_code = f"""module m_build_info
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implicit none
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character(len=*), parameter :: build_info_str = &
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{fortran_build_info}
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character(len=*), parameter :: latex_equations_str = &
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{fortran_latex}
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end module m_build_info
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"""
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print(fortran_code)
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def build_info(terms_raw):
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"""Generates and prints build information for the current code generation run.
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Args:
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terms_raw (str): The raw string contents of the DSL terms specification input file.
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"""
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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.make_build_module:
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generate_build_info_module(terms_raw)
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elif args.build_info:
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build_info(terms_raw)
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else:
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test(terms_raw, report=args.print_report, latex=args.print_latex)
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