sosokker/Calculator-for-Matrix-and-Algebra
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Add Structure of expression

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Sirin Puenggun 2022-11-28 15:27:32 +07:00
parent 91a37048d3
commit ba1f7bac71
1 changed files with 91 additions and 0 deletions
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nessesary/parser/structure.py Normal file
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#VARIABLE AND NUMBER
VAR = 0
NUM = 1
POINT = 2
# OPERATOR
PLUS_S = 3
MINUS_S = 4
MUL_S = 5
DIV_S = 6
EXP_S = 7
# BRACKET AND PARENTHESES
LEFT_BRAC = 11
RIGHT_BRAC = 12
LEFT_PAR = 10
RIGHT_PAR = 11
#FUNCTION
SQRT_FUNC = 100
SIN_FUNC = 101
COS_FUNC = 102
TAN_FUNC = 103
SEC_FUNC = 104
COSEC_FUNC = 105
COT_FUNC = 106
ASIN_FUNC = 107
ACOS_FUNC = 108
ATAN_FUNC = 109
ASEC_FUNC = 110
ACOSEC_FUNC = 111
ACOT_FUNC = 112
FACTORIAL = 113
LOG = 114
LN = 115
ALPHABET_LIST = ['a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l',
'm', 'n', 'o', 'p', 'q', 'r', 's'
, 't', 'u', 'v', 'w', 'x', 'y', 'z']
NUM_LIST = ['1','2','3','4','5','6','7','8','9','0']
def general_parse(expr):
result_list = []
for value in expr:
if value == "+":
result_list.append(PLUS_S)
elif value == "-":
result_list.append(MINUS_S)
elif value == "*":
result_list.append(MUL_S)
elif value == "/":
result_list.append(DIV_S)
elif (value == "^") or (value == "*"):
result_list.append(EXP_S)
elif value == ".":
result_list.append(POINT)
elif value == "(":
result_list.append(LEFT_PAR)
elif value == ")":
result_list.append(RIGHT_PAR)
elif value == "[":
result_list.append(LEFT_BRAC)
elif value == "]":
result_list.append(RIGHT_BRAC)
elif value in ALPHABET_LIST:
result_list.append(VAR)
elif value in NUM_LIST:
result_list.append(NUM)
"""
MEANING OF EACH PATTERN EXPRESSION.
RESULT_LIST MEANING
[1,1,1,...] 1231..
[0,0,0] xyz
[1,1,2,1,1] 12.32
[1,1,0] 15x
[10,11] ()
[12,13] []
[114,10,,11] log()
[115,10,,11] ln()
[1,1,113] 31!
[101,10,,11] sin()
[1,0,3,10,1,2,1,
101,10,1,1,1,11,11] 5x+(4.2sin(324))
"""