| 1 |
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| 2 | # Check for markers (typically in comments).
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| 3 | /ASM-INC/basm-inc
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| 4 | /ASM-NOINC/basm-noinc
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| 5 |
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| 6 | # Strip comments and trailing space.
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| 7 | s/[[:space:]][[:space:]]*\/\*.*$//g
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| 8 | s/[[:space:]][[:space:]]*\/\/.*$//g
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| 9 | s/[[:space:]][[:space:]]*$//g
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| 10 |
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| 11 | # Try identify the statement.
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| 12 | /#[[:space:]]*define[[:space:]]/bdefine
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| 13 | /#[[:space:]]*ifdef[[:space:]]/bifdef
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| 14 | /#[[:space:]]*ifndef[[:space:]]/bifndef
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| 15 | /#[[:space:]]*if[[:space:]]/bif
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| 16 | /#[[:space:]]*elif[[:space:]]/belif
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| 17 | /#[[:space:]]*else$/belse
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| 18 | /#[[:space:]]*endif$/bendif
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| 19 |
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| 20 | # Not recognized, drop it.
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| 21 | :asm-noinc
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| 22 | d
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| 23 | b end
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| 24 |
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| 25 | #
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| 26 | # Defines needs some extra massaging to work in yasm.
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| 27 | # Things like trailing type indicators ('U', 'ULL' ++) does not go down well.
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| 28 | #
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| 29 | :define
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| 30 | /\$/d
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| 31 | s/#\([[:space:]]*\)define/\1%define/
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| 32 |
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| 33 | s/\([[:space:]]0[xX][0-9a-fA-F][0-9a-fA-F]*\)U$/\1/
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| 34 | s/\([[:space:]]0[xX][0-9a-fA-F][0-9a-fA-F]*\)U\([[:space:]]*\))$/\1\2)/
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| 35 | s/\([[:space:]][0-9][0-9]*\)U[[:space:]]*$/\1/
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| 36 | s/\([[:space:]][0-9][0-9]*\)U\([[:space:]]*\))$/\1\2)/
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| 37 |
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| 38 | s/\([[:space:]]0[xX][0-9a-fA-F][0-9a-fA-F]*\)UL$/\1/
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| 39 | s/\([[:space:]]0[xX][0-9a-fA-F][0-9a-fA-F]*\)UL\([[:space:]]*\))$/\1\2)/
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| 40 | s/\([[:space:]][0-9][0-9]*\)UL[[:space:]]*$/\1/
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| 41 | s/\([[:space:]][0-9][0-9]*\)UL\([[:space:]]*\))$/\1\2)/
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| 42 |
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| 43 | s/\([[:space:]]0[xX][0-9a-fA-F][0-9a-fA-F]*\)ULL$/\1/
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| 44 | s/\([[:space:]]0[xX][0-9a-fA-F][0-9a-fA-F]*\)ULL\([[:space:]]*\))$/\1\2)/
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| 45 | s/\([[:space:]][0-9][0-9]*\)ULL[[:space:]]*$/\1/
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| 46 | s/\([[:space:]][0-9][0-9]*\)ULL\([[:space:]]*\))$/\1\2)/
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| 47 |
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| 48 | s/UINT32_C([[:space:]]*\(0[xX][0-9a-fA-F][0-9a-fA-F]*\)[[:space:]]*)/\1/
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| 49 | s/UINT32_C([[:space:]]*\([0-9][0-9]*\)[[:space:]]*)/\1/
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| 50 | s/UINT16_C([[:space:]]*\(0[xX][0-9a-fA-F][0-9a-fA-F]*\)[[:space:]]*)/\1/
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| 51 | s/UINT16_C([[:space:]]*\([0-9][0-9]*\)[[:space:]]*)/\1/
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| 52 | s/UINT8_C([[:space:]]*\(0[xX][0-9a-fA-F][0-9a-fA-F]*\)[[:space:]]*)/\1/
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| 53 | s/UINT8_C([[:space:]]*\([0-9][0-9]*\)[[:space:]]*)/\1/
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| 54 |
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| 55 | b end
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| 56 |
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| 57 | #
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| 58 | # Conditional statements, 1:1.
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| 59 | #
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| 60 | :ifdef
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| 61 | s/#\([[:space:]]*\)ifdef/\1%ifdef/
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| 62 | b end
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| 63 |
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| 64 | :ifndef
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| 65 | s/#\([[:space:]]*\)ifndef/\1%ifndef/
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| 66 | b end
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| 67 |
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| 68 | :if
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| 69 | s/#\([[:space:]]*\)if/\1%if/
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| 70 | b end
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| 71 |
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| 72 | :elif
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| 73 | s/#\([[:space:]]*\)elif/\1%elif/
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| 74 | b end
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| 75 |
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| 76 | :else
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| 77 | s/#\([[:space:]]*\)else.*$/\1%else/
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| 78 | b end
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| 79 |
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| 80 | :endif
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| 81 | s/#\([[:space:]]*\)endif.*$/\1%endif/
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| 82 | b end
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| 83 |
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| 84 | #
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| 85 | # Assembly statement... may need adjusting when used.
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| 86 | #
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| 87 | :asm-inc
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| 88 | b end
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| 89 |
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| 90 | :end
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| 91 |
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