[20742] | 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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[47442] | 6 | # Newline escapes.
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| 7 | :check-newline-escape
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| 8 | /\\$/!bno-more-newline-escapes
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| 9 | N
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| 10 | b check-newline-escape
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| 11 | :no-more-newline-escapes
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| 12 |
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[20742] | 13 | # Strip comments and trailing space.
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| 14 | s/[[:space:]][[:space:]]*\/\*.*$//g
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| 15 | s/[[:space:]][[:space:]]*\/\/.*$//g
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| 16 | s/[[:space:]][[:space:]]*$//g
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| 17 |
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| 18 | # Try identify the statement.
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| 19 | /#[[:space:]]*define[[:space:]]/bdefine
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| 20 | /#[[:space:]]*ifdef[[:space:]]/bifdef
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| 21 | /#[[:space:]]*ifndef[[:space:]]/bifndef
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| 22 | /#[[:space:]]*if[[:space:]]/bif
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| 23 | /#[[:space:]]*elif[[:space:]]/belif
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| 24 | /#[[:space:]]*else$/belse
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| 25 | /#[[:space:]]*endif$/bendif
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| 26 |
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| 27 | # Not recognized, drop it.
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| 28 | :asm-noinc
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| 29 | d
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| 30 | b end
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| 31 |
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| 32 | #
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| 33 | # Defines needs some extra massaging to work in yasm.
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| 34 | # Things like trailing type indicators ('U', 'ULL' ++) does not go down well.
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| 35 | #
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| 36 | :define
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[20542] | 37 | /\$/d
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[20742] | 38 | s/#\([[:space:]]*\)define/\1%define/
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[20542] | 39 |
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[20742] | 40 | s/\([[:space:]]0[xX][0-9a-fA-F][0-9a-fA-F]*\)U$/\1/
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| 41 | s/\([[:space:]]0[xX][0-9a-fA-F][0-9a-fA-F]*\)U\([[:space:]]*\))$/\1\2)/
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| 42 | s/\([[:space:]][0-9][0-9]*\)U[[:space:]]*$/\1/
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| 43 | s/\([[:space:]][0-9][0-9]*\)U\([[:space:]]*\))$/\1\2)/
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| 44 |
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| 45 | s/\([[:space:]]0[xX][0-9a-fA-F][0-9a-fA-F]*\)UL$/\1/
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| 46 | s/\([[:space:]]0[xX][0-9a-fA-F][0-9a-fA-F]*\)UL\([[:space:]]*\))$/\1\2)/
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| 47 | s/\([[:space:]][0-9][0-9]*\)UL[[:space:]]*$/\1/
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| 48 | s/\([[:space:]][0-9][0-9]*\)UL\([[:space:]]*\))$/\1\2)/
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| 49 |
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| 50 | s/\([[:space:]]0[xX][0-9a-fA-F][0-9a-fA-F]*\)ULL$/\1/
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| 51 | s/\([[:space:]]0[xX][0-9a-fA-F][0-9a-fA-F]*\)ULL\([[:space:]]*\))$/\1\2)/
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| 52 | s/\([[:space:]][0-9][0-9]*\)ULL[[:space:]]*$/\1/
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| 53 | s/\([[:space:]][0-9][0-9]*\)ULL\([[:space:]]*\))$/\1\2)/
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| 54 |
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[30969] | 55 | s/UINT64_C([[:space:]]*\(0[xX][0-9a-fA-F][0-9a-fA-F]*\)[[:space:]]*)/\1/
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| 56 | s/UINT64_C([[:space:]]*\([0-9][0-9]*\)[[:space:]]*)/\1/
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[30736] | 57 | s/UINT32_C([[:space:]]*\(0[xX][0-9a-fA-F][0-9a-fA-F]*\)[[:space:]]*)/\1/
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| 58 | s/UINT32_C([[:space:]]*\([0-9][0-9]*\)[[:space:]]*)/\1/
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[30772] | 59 | s/UINT16_C([[:space:]]*\(0[xX][0-9a-fA-F][0-9a-fA-F]*\)[[:space:]]*)/\1/
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| 60 | s/UINT16_C([[:space:]]*\([0-9][0-9]*\)[[:space:]]*)/\1/
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| 61 | s/UINT8_C([[:space:]]*\(0[xX][0-9a-fA-F][0-9a-fA-F]*\)[[:space:]]*)/\1/
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| 62 | s/UINT8_C([[:space:]]*\([0-9][0-9]*\)[[:space:]]*)/\1/
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[30736] | 63 |
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[20742] | 64 | b end
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| 65 |
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| 66 | #
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| 67 | # Conditional statements, 1:1.
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| 68 | #
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| 69 | :ifdef
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| 70 | s/#\([[:space:]]*\)ifdef/\1%ifdef/
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| 71 | b end
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| 72 |
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| 73 | :ifndef
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| 74 | s/#\([[:space:]]*\)ifndef/\1%ifndef/
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| 75 | b end
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| 76 |
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| 77 | :if
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| 78 | s/#\([[:space:]]*\)if/\1%if/
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| 79 | b end
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| 80 |
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| 81 | :elif
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| 82 | s/#\([[:space:]]*\)elif/\1%elif/
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| 83 | b end
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| 84 |
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| 85 | :else
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| 86 | s/#\([[:space:]]*\)else.*$/\1%else/
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| 87 | b end
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| 88 |
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| 89 | :endif
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| 90 | s/#\([[:space:]]*\)endif.*$/\1%endif/
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| 91 | b end
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| 92 |
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| 93 | #
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| 94 | # Assembly statement... may need adjusting when used.
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| 95 | #
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| 96 | :asm-inc
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| 97 | b end
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| 98 |
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| 99 | :end
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| 100 |
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