def _expr_q(tokens):
if len(tokens) == 0:
return []
out = _do_symbol_equal(tokens, ["+", _expr_term, _expr_q])
if out: return Capture("expr", out, tokens[0].line)
out = _do_symbol_equal(tokens, ["-", _expr_term, _expr_q])
if out: return Capture("expr", out, tokens[0].line)
return True
def _expr_primary(tokens):
if len(tokens) == 0:
return []
out = _do_symbol_equal(tokens, ["LITERAL"])
if out: return Capture("expr", out, tokens[0].line)
out = _do_symbol_equal(tokens, ["SYMBOL"])
if out: return Capture("expr", out, tokens[0].line)
out = _do_symbol_equal(tokens, ["(", _expr, ")"])
if out: return Capture("expr", out, tokens[0].line)
def _condition(tokens):
if len(tokens) == 0:
return []
# If ----------------------------------------
out = _do_symbol_equal(tokens,
["if", _expr, "then", "\n", _start, "end", "if"])
if out: return Capture("condition", out, tokens[0].line)
out = _do_symbol_equal(
tokens, ["if", _expr, "then", "\n", _start, _else_condition])
if out: return Capture("condition", out, tokens[0].line)
def _loop(tokens):
if len(tokens) == 0:
return []
out = _do_symbol_equal(tokens, [
"loop", "SYMBOL", "from", _expr, "to", _expr, "\n", _start, "end",
"loop"
])
if out: return Capture("loop", out, tokens[0].line)
out = _do_symbol_equal(
tokens, ["loop", "while", _expr, "\n", _start, "end", "loop"])
if out: return Capture("loop", out, tokens[0].line)
def _keyword(tokens):
if len(tokens) == 0:
return []
# Output ----------------------------------------
out = _do_symbol_equal(tokens, ["output", _expr])
if out: return Capture("keyword", out, tokens[0].line)
# Input ----------------------------------------
out = _do_symbol_equal(tokens, ["input", "SYMBOL"])
if out: return Capture("keyword", out, tokens[0].line)
# Debugger -----------------------------------------
out = _do_symbol_equal(tokens, ["debugger"])
if out: return Capture("keyword", out, tokens[0].line)
def _expr(tokens):
if len(tokens) == 0:
return []
# Maths -----------------------------------
out = _do_symbol_equal(tokens, [_expr_term, _expr_q])
if out: return Capture("expr", out, tokens[0].line)
def _start(tokens):
if len(tokens) == 0:
return []
# Assignment --------------------------------------
out = _do_symbol_equal(tokens, ["SYMBOL", "=", _expr, "\n", _start])
if out: return Capture("start", out, tokens[0].line)
out = _do_symbol_equal(tokens, ["SYMBOL", "=", _expr, "\n"])
if out: return Capture("start", out, tokens[0].line)
# Expression --------------------------------------
out = _do_symbol_equal(tokens, [_expr, "\n", _start])
if out: return Capture("start", out, tokens[0].line)
out = _do_symbol_equal(tokens, [_expr, "\n"])
if out: return Capture("start", out, tokens[0].line)
# Loops ------------------------------------------
out = _do_symbol_equal(tokens, [_loop, "\n", _start])
if out: return Capture("start", out, tokens[0].line)
out = _do_symbol_equal(tokens, [_loop, "\n"])
if out: return Capture("start", out, tokens[0].line)
# Keywords ---------------------------------------
out = _do_symbol_equal(tokens, [_keyword, "\n", _start])
if out: return Capture("start", out, tokens[0].line)
out = _do_symbol_equal(tokens, [_keyword, "\n"])
if out: return Capture("start", out, tokens[0].line)
# Conditions -------------------------------------
out = _do_symbol_equal(tokens, [_condition, "\n", _start])
if out: return Capture("start", out, tokens[0].line)
out = _do_symbol_equal(tokens, [_condition, "\n"])
if out: return Capture("start", out, tokens[0].line)
def _expr_logic_q(tokens):
if len(tokens) == 0:
return []
# Logic ----------------------------------------
out = _do_symbol_equal(tokens, ["=", _expr_primary, _expr_logic_q])
if out: return Capture("expr", out, tokens[0].line)
out = _do_symbol_equal(tokens, ["<=", _expr_primary, _expr_logic_q])
if out: return Capture("expr", out, tokens[0].line)
out = _do_symbol_equal(tokens, [">=", _expr_primary, _expr_logic_q])
if out: return Capture("expr", out, tokens[0].line)
out = _do_symbol_equal(tokens, ["<", _expr_primary, _expr_logic_q])
if out: return Capture("expr", out, tokens[0].line)
out = _do_symbol_equal(tokens, [">", _expr_primary, _expr_logic_q])
if out: return Capture("expr", out, tokens[0].line)
out = _do_symbol_equal(tokens, ["!=", _expr_primary, _expr_logic_q])
if out: return Capture("expr", out, tokens[0].line)
return True
def _expr_logic(tokens):
if len(tokens) == 0:
return []
out = _do_symbol_equal(tokens, [_expr_primary, _expr_logic_q])
if out: return Capture("expr", out, tokens[0].line)