8000 C99 Compound Literals not supported · Issue #380 · coccinelle/coccinelle · GitHub
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C99 Compound Literals not supported #380

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archigup opened this issue Oct 9, 2024 · 1 comment
Open

C99 Compound Literals not supported #380

archigup opened this issue Oct 9, 2024 · 1 comment

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@archigup
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archigup commented Oct 9, 2024

Hi, as far as I can tell, I can't match on a C99 compound literal (https://en.cppreference.com/w/c/language/compound_literal).

For example, I want to match this C code:

typedef struct { int * a; } A;

static A aaa = { .a = (int[500]) { 0 } };

I tried a cocci script to match all compound literals:

@@
@@
* ( ... ) { ... }

I would expect that to match all compound literals but I get the following error:

init_defs_builtins: /nix/store/7ii5nryp5xl1frrlqz0s7r1p3i888jva-coccinelle-1.2/lib/coccinelle/standard.h
minus: parse error: 
  File "test.cocci", line 3, column 10, charpos = 16
  around = '{',
  whole content = * ( ... ) { ... }
@elfring
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elfring commented Oct 19, 2024

Would you like to try another SmPL script variant out once more? 🤔

@display@
initialiser list il;
type t;
@@
*( t ) { il }

Test result:

Markus_Elfring@Sonne:…/Projekte/Coccinelle/Probe> spatch suggestion_for_Archit_Gupta-20241019.cocci example_Archit_Gupta-20241010.c
…
diff = 
--- example_Archit_Gupta-20241010.c
+++ /tmp/cocci-output-38036-9c76c6-example_Archit_Gupta-20241010.c
@@ -4,4 +4,3 @@
 
 
 typedef struct { int * a; } A;
-static A aaa = { .a = (int[500]) { 0 } };

@coccinelle coccinelle deleted a comment from elfring Nov 29, 2024
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@elfring @archigup
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