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2019-02-24Remove obsolete function declarationMichael Forney
2019-02-24Check for negative array lengths/indicesMichael Forney
2019-02-24Add __alignof__ definition by defaultMichael Forney
2019-02-24driver: Fix -E with no output specifiedMichael Forney
2019-02-24Define __GNUC__=4 and __STRICT_ANSI__ by defaultMichael Forney
We implement some GNU extensions that are used to implement certain libc features, like INF, NAN, alloca, and offsetof.
2019-02-24Make __PRETTY_FUNCTION__ a synonym for __func__Michael Forney
2019-02-24Remove unnecessary spaces in keyword listMichael Forney
This used to contain __builtin_va_list, so was longer than necessary.
2019-02-24Remove unused fieldMichael Forney
2019-02-24scan: Handle commentsMichael Forney
2019-02-24scan: Handle escaped newlinesMichael Forney
2019-02-23Check for any write errorsMichael Forney
2019-02-22Run cc-qbe directly in runtestsMichael Forney
This way, it completes much faster since we don't have to run the system preprocessor.
2019-02-22Fix use of uninitialized character in string arrayMichael Forney
String data in expressions is just an array and is not NULL-terminated.
2019-02-22Make sure to zero the rest of an array initialized with a stringMichael Forney
2019-02-22Fix size of incomplete array types initialized with stringsMichael Forney
updatearray takes an index, so was allocating an extra byte.
2019-02-22When & is applied to an array, it is no longer decayedMichael Forney
2019-02-22Don't need CFLAGS with linkingMichael Forney
2019-02-22Simplify build status URLMichael Forney
2019-02-22Implement __builtin_nanf for empty string literalsMichael Forney
2019-02-22Separate out built-in handling from postfixexprMichael Forney
2019-02-22Implement __builtin_inffMichael Forney
2019-02-22Keep track of built-in kind in declarationMichael Forney
Also, populate filescope with builtins outside of main.
2019-02-22Only need to emit tentative definitions when compilingMichael Forney
2019-02-22Simplify handling of arguments to cc-qbe a bitMichael Forney
2019-02-22Implement __builtin_allocaMichael Forney
2019-02-22Fix adding integer to pointerMichael Forney
2019-02-21driver: Create output files in current directoryMichael Forney
2019-02-21Emit complete union type definitions instead of just using the first memberMichael Forney
2019-02-21Always expect at least one struct decl.Andrew Chambers
2019-02-21driver: Fix -o -Michael Forney
We need to distinguish between no output specified, and output specified to be standard out.
2019-02-21Fix decay on qualified array typesMichael Forney
2019-02-20Use name parameter instead of tok.litMichael Forney
This was only called with tok.lit, so it didn't matter in practice.
2019-02-20Remove some unused variablesMichael Forney
2019-02-20driver: Various improvementsMichael Forney
Use an input struct to keep track of information about an input. When creating an output name from an input with no extension, make sure to add a `.`. When linking, write intermediate objects to temporary files and remove them afterwards. Allow specifying language of input using `-x` flag. Allow reading from standard input by passing `-`.
2019-02-20Fix emittype for unionsMichael Forney
Thanks to Andrew Chambers for the bug report.
2019-02-20eval: Handle nested offset address constantsMichael Forney
2019-02-20Fix definitions for nested structsMichael Forney
The QBE documentation suggested that the subtypes in an aggregate must be simple types, but they can actually be any type (this is necessary for getting the alignment and padding right between fields adjacent to the nested struct).
2019-02-19Implement __builtin_va_copyMichael Forney
2019-02-19Slight reorganization in expr.cMichael Forney
2019-02-19Add mkunaryexpr helperMichael Forney
2019-02-19Add missing lvalue conversionsMichael Forney
typeintpromote and typeargpromote assume they are dealing with an unqualified type, and return an incorrect result if they are given a qualified one. So, add an assert here. This was causing const integer types to get promoted to themselves due to missing lvalue conversions. Thanks to Andrew Chambers for the bug report and test case.
2019-02-19Check that left hand side of assignment expression is an lvalueMichael Forney
2019-02-18Pointer operands to + and - must be complete object typesMichael Forney
Also clean up a little and give some better error messages.
2019-02-18void is an incomplete typeMichael Forney
2019-02-18Simplify test added in 9f964b7281Michael Forney
2019-02-18Fix compatible check for basic typesMichael Forney
This check was only supposed to return true for enum types and their corresponding integer type. However, it had the side effect of making 'int' compatible with 'unsigned'. To fix this, introduce a new basic type kind for enums with the same rank as 'int', that is only compatible with itself and the 'int' type with the matching sign. Thanks to Andrew Chambers for the bug report.
2019-02-17Make enum types compatible with their corresponding integer type (int)Michael Forney
2019-02-17Fix sizeof with unparenthesized postfix or compound literal expressionMichael Forney
Determining whether it is a typename or unparenthesized expression requires consuming the '(', so we need to call postfixexpr/parseinit ourselves.
2019-02-17Allow computing address of non-lvalue structs/unionsMichael Forney
We currently compile '.' member access as taking the address of the struct, adding the offset, and then dereferencing as the member type. However, the '.' operator is allowed on non-lvalues, even though the '&' operator is not. So, we need to handle arbitrary struct/union expressions in objectaddr by just compiling them normally, then converting them to regular pointers (since struct/union values are just pointers with additional type information).
2019-02-17Fix returning struct/union typesMichael Forney
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