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Annotate bitwise015

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Matt Mascarenhas 2018-04-13 16:53:43 +01:00
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[video member=pervognsen stream_platform=twitch project=bitwise title="More Compiler Hacking" vod_platform=youtube id=s5_RV3y4L18 annotator=Miblo]
[0:08][Recap and set the stage for the day][:speech]
[0:51][Review the work performed on arithmetic conversions in unify_arithmetic_operands() from the last stream[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf]][:language :parsing :research]
[6:27][Describe the final operand promotion case under 6.3.1.8 Usual arithmetic conversions[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf] with an example][:language :parsing :speech]
[8:35][Continue to review the work on const expression evaluation, the != operator and resolver :"error handling"][:language :parsing :research]
[12:22][Review the work converting between void pointers and any other pointer type, with some cool tips on C][:language :parsing :research]
[17:21][Demo the new support for variadic functions][:language :parsing :run]
[18:42][Review the variadic function handling code in parse_type_func() and resolve_expr_call(), noting how these work in C[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf]][:language :parsing :research]
[22:51][Review the work supporting empty compound literals in f2()][:language :parsing :research]
[24:43][Q&A][:speech]
[25:04][@irazorx0][@pervognsen You have a redundant "variadic = true" as your error is if(variadic)]
[25:26][@xanatos387][@pervognsen Will we have a bool type?][:language]
[26:05][@pmttavara][Not needing a temporary is amazing. I see a lot of sockets code writing things like "int zero = 0;" just so setsockopt() can take its address]
[26:28][@sci4me][Why do you put void as a parameter?][:"code generation" :language]
[26:49][Determine to add support for annotating foreign function declarations][:"code generation" :language :parsing :speech]
[29:45][Introduce a new "\@" token, Note and NoteList structs and parse_note_list(), for parse_decl_opt() to call][:"code generation" :language :parsing]
[34:50][Test our \@foreign function annotating, to see that it's not quite right][:"code generation" :language :parsing :run]
[35:57][Introduce note_list() and add a Pos pos to the Note struct][:"code generation" :language :parsing]
[38:22][:Run it to see that it looks right][:"code generation" :language :parsing]
[38:52][Introduce get_decl_note() for gen_func_defs() to call][:"code generation" :language :parsing]
[41:36][:Run it, with an explanation of how this works][:"code generation" :language :parsing]
[42:17][Annotate \@foreign functions in test1.ion, and introduce is_decl_foreign() in ast.c][:"code generation" :language :parsing]
[44:27][:Run it to see what this generates][:"code generation" :language :parsing]
[45:53][Introduce resolve_unary_op() to handle unary arithmetic operators, for resolve_expr_unary() to call[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf]][:"code generation" :language :parsing]
[50:51][Introduce resolve_binary_arithmetic_op() to handle binary arithmetic operators, for resolve_expr_binary() to call[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf]][:"code generation" :language :parsing]
[59:05][Enable resolve_expr_binary() to handle the bitwise shift operators[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf]][:"code generation" :language :parsing]
[1:07:27][Enable resolve_expr_binary() to handle relational operators[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf]][:"code generation" :language :parsing]
[1:09:20][@nothings2][@pervognsen Because C99 supports complex][:language]
[1:09:28][Introduce resolve_binary_op(), and enable resolve_expr_binary() to handle relational operators[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf]][:"code generation" :language :parsing]
[1:14:34][Enable resolve_expr_binary() to handle equality operators[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf]][:"code generation" :language :parsing]
[1:16:37][Enable resolve_expr_binary() to handle bitwise AND, XOR and OR and logical AND and OR,[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf] introducing is_scalar_type()][:"code generation" :language :parsing]
[1:23:53][Enable resolve_expr_ternary() to handle the ternary conditional operators[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf]][:"code generation" :language :parsing]
[1:27:38][Introduce resolve_stmt_assign() to begin the handling of assignment operators[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf]][:"code generation" :language :parsing]
[1:29:41][:Run it to test that we didn't break anything][:"code generation" :language :parsing]
[1:30:05][Introduce test_ops() in test1.ion to test resolve_expr_unary()][:"code generation" :language :parsing]
[1:31:34][:Run it to see that it works][:"code generation" :language :parsing]
[1:32:06][Try to test a \~ assignment in test_ops()][:"code generation" :language :parsing]
[1:32:46][Add TOKEN_NEG to token_kind_names][:"code generation" :language :parsing]
[1:33:20][:Run it to find that the \~ assignment works][:"code generation" :language :parsing]
[1:33:30][Add tests of binary operators in test_ops()][:"code generation" :language :parsing :programming :run]
[1:34:00][Fix resolve_expr_binary to handle TOKEN_MOD separately from TOKEN_MUL and TOKEN_DIV][:"code generation" :language :parsing]
[1:34:51][Test that % operator, and further assignments in test_ops()][:"code generation" :language :parsing :programming :run]
[1:37:17][Fix the handling of TOKEN_SUB in resolve_expr_binary()][:"code generation" :language :parsing]
[1:37:53][:Run it to see that it works][:"code generation" :language :parsing]
[1:38:05][Test shifting and comparison in test_ops(), to see that it all works][:"code generation" :language :parsing :programming :run]
[1:40:18][Roll the TOKEN_EQ and TOKEN_NOTEQ cases into the other comparison cases in resolve_expr_binary()][:"code generation" :language :parsing]
[1:40:58][Test bitwise and logical comparison stuff in test_ops()][:"code generation" :language :parsing :programming :run]
[1:42:56][Q&A][:speech]
[1:44:49][Recap the day's work, with a glimpse into the future handling pointer decay[ref
author=ANSI
title="ISO/IEC 9899: Information technology – Programming languages – C"
url=http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf]][:"code generation" :language :parsing :speech]
[/video]