107 lines
1.9 KiB
Python
107 lines
1.9 KiB
Python
import ply.yacc as yacc
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"""
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Parser for HECKformat lines using PLY Parser.
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"""
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from .lexer import tokens
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def p_value(p):
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"""
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value : BASE16
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| BASE10
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| STRING
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| ATOM
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"""
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#print(p[0], p[1])
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p[0] = ("value", p[1])
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def p_attribute(p):
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"""attribute : ATOM ATTRIB value"""
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# print(p[0], p[1])
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p[0] = ("attribute", p[1], p[3])
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def p_attributes(p):
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"""
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attributes : attributes attribute
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attributes : attribute
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"""
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if len(p) == 2:
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p[0] = ["attributes", p[1]]
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else:
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p[0] = p[1]
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p[0].append(p[2])
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def p_section(p):
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"""
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section : SECTION ATOM
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| SECTION ATOM attributes
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"""
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if (len(p) == 3):
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p[0] = ("section", p[2])
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else:
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p[0] = ("section", p[2], p[3])
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def p_values(p):
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"""
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values : values value
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values : value
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"""
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if len(p) == 2:
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p[0] = ["values", p[1]]
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else:
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p[0] = p[1]
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p[0].append(p[2])
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def p_element(p):
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"""
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element : ATOM values
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| ATOM values attributes
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| ATOM attributes
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"""
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# print(len(p))
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p[0] = ["element", p[1], p[2]]
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if (len(p) == 4):
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p[0].append(p[3])
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def p_statement(p):
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"""
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statement : element
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| DEEP element
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| section
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"""
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if (len(p) > 2):
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p[0] = ('deep', p[2])
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else:
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p[0] = p[1]
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def p_error(p):
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if not p:
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return
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else:
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print("Syntax error {p}")
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parser = yacc.yacc(start="statement")
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TEST_STRING = [
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'%%% heck',
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'%%% heck foo=bar',
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'%%% heck bar=-5l quux="hello! how are you today?" fred=69 barney=nice',
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'title "My website!"',
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'zoom 5.73',
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'tags yo fresh',
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'dumper 1 2 3 4 5 6 7 8 9 dumpped=True',
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'> big_dumper 32 23 384848',
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]
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if __name__ == "__main__":
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for test in TEST_STRING:
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print(parser.parse(test))
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