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Implement STRFMT and more printf-like format specifiers for string interpolation (#646)

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Fixes #570
Fixes #178

Use errors for inapplicable format spec flags instead of -Wstring-format
This commit is contained in:
Rangi
2020-12-29 16:53:15 -05:00
committed by GitHub
parent aa27e714d4
commit c0ce1da4c3
16 changed files with 675 additions and 84 deletions
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24
test/asm/strfmt.asm Normal file
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@@ -0,0 +1,24 @@
VAL EQUS STRFMT("Hello %s! I am %d years old today!", "world", $f)
PRINTT "{VAL}\n"
N = -42
PRINTT STRFMT("signed %010d == unsigned %010u\n", N, N)
N = 112
FMT EQUS "X"
PRINTT STRFMT("\tdb %#03{s:FMT} %% 26\t; %#03{FMT}\n", N, N % 26)
TEMPLATE EQUS "\"%s are %s\\n\""
PRINTT STRFMT(TEMPLATE, "roses", "red")
PRINTT STRFMT(TEMPLATE, "violets", "blue")
PRINTT STRFMT(TEMPLATE, "void", 0, "extra")
PRINTT STRCAT(STRFMT(STRFMT("%%%s.%d%s", "", 9, "f"), _PI), \
STRFMT(" ~ %s\n", STRFMT("%s%x", "thr", 238)))
PRINTT STRFMT("%d eol %", 1)
PRINTT "\n"
PRINTT STRFMT("invalid %w spec\n", 42)
PRINTT STRFMT("one=%d two=%d three=%d\n", 1)