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* fix position independent loads of function symbols.lemon2025-12-131-3/+3
| | | | | | | | For `extern int x[1];`, can use PCREL32 for &x. But for `extern int x(int)`, must use GOTREL, when not being called directly (that's PLT). Therefore the type of an external symbol (actually just whether it denotes a function) matters when deciding what kind of relocation to emit, so keep that information.
* s/amd64/x86_64/lemon2025-12-121-1/+1
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* c: switch stmt diagnosticslemon2025-12-121-8/+49
| | | | For duplicate cases, case value overflow
* lex: use pmap for macro lookuplemon2025-12-122-126/+70
| | | | To reduce hashmap code repetition. Also add pmap_del for this purpose
* rename arraylength macro -> countoflemon2025-12-113-51/+51
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* c: accept C99 `[static N]` style array decls, changes to fn qualslemon2025-12-111-24/+45
| | | | | | Function parameters qualifiers don't matter outside of function definition. `int (const int)` should be compatible with `int(int)` etc. So no need to store them in the typedata.
* _Alignof and stufflemon2025-12-111-11/+18
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* c: use a look-up table for isdecltok()lemon2025-12-111-14/+18
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* -trigraphs optionlemon2025-12-111-3/+3
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* c: optimize environment decl lookuplemon2025-12-111-6/+26
| | | | | Use a hashmap for the toplevel, optimizing for the common use case where the file-scope has many more declarations than local scopes do
* c: disallow mismatched nested extern decl, & more diagnosticslemon2025-12-111-17/+24
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* c: support for noreturn, and decl parsing cleanuplemon2025-12-112-107/+115
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* lex/expr(): cleanuplemon2025-12-111-29/+29
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* c: expr2reloc() change sig to return addendlemon2025-12-111-15/+12
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* lexer: properly add padding for cpppredefslemon2025-12-101-2/+2
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* c: fix static relocation for &sym[offset]lemon2025-12-101-7/+6
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* c: fix compound assignment type conversions when types don't matchlemon2025-12-101-2/+3
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* lex: make some hashtables resizablelemon2025-12-091-29/+67
| | | | Was hiting the fixed limits trying to preprocess sqlite3amalgamation
* c: fix some static initialzierslemon2025-12-081-1/+3
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* eval: &*x address constantslemon2025-12-081-0/+4
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* c: fix more declaration parsing bugslemon2025-12-081-7/+17
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* add command-line predefined macros (-D, -U)lemon2025-12-061-4/+52
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* eval: fix float cmpslemon2025-12-051-0/+2
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* cpp: implement preprocessor expressions short circuiting behaviourlemon2025-12-031-17/+23
| | | | This only affects whether an error is given for something like `0 && 0/0` (it shouldn't)
* c: allow redeclaration with K&R and non K&R prototypeslemon2025-12-031-2/+10
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* preprocessor: add #ifndef...#endif include guard optimizationlemon2025-12-022-11/+30
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* c: make tentative definitions worklemon2025-12-021-17/+34
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* c: narrowing ints of different signedness...lemon2025-12-011-1/+1
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* c: edgecase for redeclaration of implicit sized arraylemon2025-12-011-1/+1
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* c: fix some decl bugs and diagnosticslemon2025-11-301-18/+34
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* lex: remove some hacks and optimize preprocessorlemon2025-11-281-39/+34
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* c/type: make implicit const T* -> T* conversion warning, not errorlemon2025-11-261-1/+8
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* c: more static initializer fixeslemon2025-11-262-7/+9
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* c: fix elided-braces initializers for nested unionslemon2025-11-261-5/+16
| | | | | | | | For example in ```c struct {int a; union { int b,c; }; int d; } X = {1,2,3}; ``` Fields `a`,`b`,`d` must get initialized to 1,2,3. Not `c`
* pp: fix token pasting (hopefully)lemon2025-11-241-27/+15
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* c: fix condexprvaluelemon2025-11-241-54/+42
| | | | | The original implementation was broken when presented with nested short-circuiting logical operators.
* c: remove unused functionlemon2025-11-241-8/+0
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* c: create dummy unreachable block after traplemon2025-11-242-5/+2
| | | | | | Reverts 9abe27f6712. This simplies expr codegen, otherwise would manually have to check `fn->curblk != NULL` repeatedly. Later passes will easily delete those unreachable blocks
* ir: implement cvtu64f. and other bug fixeslemon2025-11-231-1/+4
| | | | | compiler is bootstrapping?! however, stage1 and stage2+ executables aren't bit-identical.. small differences in the codegen.. need to look into that
* c: check actual reachability for non-void func may not return valuelemon2025-11-231-2/+6
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* c: implement compound initializer in static contextlemon2025-11-231-2/+18
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* lex: TEMP hack: #define __x86_64__ or some system headers break subtlylemon2025-11-231-0/+1
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* c: fix runtime implicit-length array initializerlemon2025-11-231-2/+3
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* c: __builtin_va_copylemon2025-11-231-8/+21
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* implement float varargs, and some other fixeslemon2025-11-231-0/+3
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* cpp: fix bugs with recursive macro expansion (hopefully)lemon2025-11-232-28/+25
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* cpp: fix ## buglemon2025-11-231-1/+1
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* c: fix precedence of conditional expression rhslemon2025-11-221-2/+2
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* c: make the warning for '()' function declarations less strictlemon2025-11-221-1/+1
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* c: fix static eval for address of some array refslemon2025-11-222-2/+7
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