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annotate lwcc/parse_c.h @ 577:e49d24f4a9a5

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Correct bug in the object file output code leading to stack corruption It turns out leaving a pointer to a stack allocated temporary in a persistent data structure is not conducive to correct program operation. Undo the export check setup in the object file output sequence so a pointer to stack allocated memory is not left hanging when the function returns. This seems to correct at least one mysterious crash bug, and possibly others. Thanks to Boisy Pitre for reporting the crash bug that led to this discovery, as well as a previous crash bug that likely has the same root cause. Additional thanks to Ciaran Anscomb whose debugger wielding wizardry revealed the exact location of this particular bit of unbrilliance.
author William Astle <lost@l-w.ca>
date Sat, 03 Aug 2024 14:30:06 -0600
parents a3e277c58df9
children
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a3e277c58df9 Checkpoint parser development for lwcc
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1 #define PTOK_ENDS 1
a3e277c58df9 Checkpoint parser development for lwcc
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2 #define PTOK_IDENTIFIER 2
a3e277c58df9 Checkpoint parser development for lwcc
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3 #define PTOK_STAR 3
a3e277c58df9 Checkpoint parser development for lwcc
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4 #define PTOK_KW_VOID 4
a3e277c58df9 Checkpoint parser development for lwcc
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5 #define PTOK_KW_FLOAT 5
a3e277c58df9 Checkpoint parser development for lwcc
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6 #define PTOK_KW_DOUBLE 6
a3e277c58df9 Checkpoint parser development for lwcc
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7 #define PTOK_KW_LONG 7
a3e277c58df9 Checkpoint parser development for lwcc
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8 #define PTOK_KW_UNSIGNED 8
a3e277c58df9 Checkpoint parser development for lwcc
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9 #define PTOK_KW_SIGNED 9
a3e277c58df9 Checkpoint parser development for lwcc
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10 #define PTOK_KW_INT 10
a3e277c58df9 Checkpoint parser development for lwcc
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11 #define PTOK_KW_SHORT 11
a3e277c58df9 Checkpoint parser development for lwcc
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12 #define PTOK_KW_CHAR 12
a3e277c58df9 Checkpoint parser development for lwcc
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13 #define PTOK_OPAREN 13
a3e277c58df9 Checkpoint parser development for lwcc
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14 #define PTOK_CPAREN 14
a3e277c58df9 Checkpoint parser development for lwcc
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15 #define PTOK_OBRACE 15
a3e277c58df9 Checkpoint parser development for lwcc
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16 #define PTOK_CBRACE 16