Andrew Kesterson
f4007d80d4
An identifier's subscript list, a unary's operand and a binary's right-hand side all lived in the same field the argument chain used, so ABS(-9), MOD(A#, B# + 12) and any array reference in a parameter list were counted as extra arguments and refused. Subscript lists move to .expr and arguments now chain through a dedicated .next. This is the third time the same collision was fixed; the first two moved it along rather than removing it. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
20 lines
644 B
QBasic
20 lines
644 B
QBasic
10 REM An array reference used as a function argument, and as one of several.
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20 REM An identifier's subscript list used to hang off .right, which is also
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30 REM where an argument list chains its arguments -- so the arity counter walked
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40 REM straight into the subscripts and refused the call. TODO.md section 4.
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50 DIM C#(4)
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60 C#(1) = -9
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70 C#(2) = 7
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80 PRINT ABS(C#(1))
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90 PRINT MOD(C#(2), 4)
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100 PRINT MOD(C#(2), C#(1) + 12)
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110 DIM S$(2)
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120 S$(0) = "HELLO"
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130 PRINT LEN(S$(0))
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140 PRINT INSTR(S$(0), "LL")
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150 REM And a READ into an array element alongside a scalar.
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160 READ S$(1), D#
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170 DATA "WORLD", 99
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180 PRINT S$(1)
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190 PRINT D#
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