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Last change
on this file since eae8b37 was
81e768d,
checked in by Michael Brooks <mlbrooks@…>, 3 weeks ago
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Fix #276; add support for c-array parameters using dependent lengths.
Without this fix, declarations like
void f( int m, int n, float[m][n] );
would either
- generate bad C code, with unmangled variable names appearing in the function definition, or
- refuse to resolve a valid-c call of such a function.
tests/array-collections/c-dependent: add direct tests of such cases
tests/tuplearray: activate and expand cases which were blocked on #276
tests/array: activate case fm5y, which was blocked on #276; [noise] adjust source line numbers in .expect
tests/typedefRedef: expand coverage of "error, an array detail is different" cases; [noise] adjust source line numbers in .expect
tests/functions: [noise] adjust .expect to have resolved array sizes (extra casts) in the diffed code dump
The fix is:
- (ResolvExpr/ResolveTypeof?, ResolvExpr/Resolver?) Resolve the dimension expressions, where they were missed.
- (ResolvExpr/Resolver?) Prevent dimension expressions that are bound to other parameters from escaping in the function's type, to where they are out of scope. In the f example above, redact the type shown to callers from
void (*)(int, int, float[m][n]) to void (*)(int, int, float[][*]).
- (ResolvExpr/Unify?) Relax the matching rules for such a type, when used at a call site, letting the patameters wildcard type match with the concrete type in scope at the caller's side.
- (Validate/ReplaceTypedef?) Apply the former, stricter matching rules to the one place where they are still needed: detecting inconsistent typedefs.
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Property mode set to
100644
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File size:
496 bytes
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| Line | |
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| 1 | array.cfa:125:25: warning: Preprocessor started |
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| 2 | array.cfa:40:22: error: '[*]' not allowed in other than function prototype scope |
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| 3 | array.cfa:46:24: error: '[*]' not allowed in other than function prototype scope |
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| 4 | array.cfa: In function '_X4fredFi_i__1': |
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| 5 | array.cfa:52:16: error: array size missing in '_X2a1A0i_2' |
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| 6 | array.cfa:53:26: error: '[*]' not allowed in other than function prototype scope |
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| 7 | array.cfa: At top level: |
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| 8 | array.cfa:64:1: error: '[*]' not allowed in other than function prototype scope |
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