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52ffbd1057
library/string.format.m:
We used to parse format strings, and pair up format specifiers with
the list of input poly_types, using semidet code, throwing
exceptions with generic messages if the semidet code failed.
This diff switches to using det code that returns a list of
situation-specific error messages. Since errors after the first
may be caused by the first error, we now throw exceptions whose
message is a detailed description of the first error, but that
decision is easily changeable.
Simplify some existing code.
tests/general/string_format_test_{2,3}.{exp,exp2,exp3,...}:
tests/invalid/string_format_bad.err_exp:
tests/invalid/string_format_unknown.err_exp:
Update the expected error messages.
12 lines
640 B
Plaintext
12 lines
640 B
Plaintext
Uncaught Mercury exception:
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Software Error: string.format: The first conversion specifier, which uses specifier character `s', is missing its input.
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Stack dump follows:
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0 pred exception.throw/1-0 (erroneous) (exception.m:NNNN)
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1 pred require.error/1-0 (erroneous) (require.m:NNNN)
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2 pred string.conversion_specification/5-0 (semidet)
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3 pred string.format_string/5-0 (det)
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4 pred string.format/3-0 (det) (string.m:NNNN)
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5 pred io.format/5-0 (det) (io.m:NNNN)
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6 pred io.format/4-0 (det) (io.m:NNNN)
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7 pred string_format_test_3.main/2-0 (det) (string_format_test_3.m:13)
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