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[examples] write overrides example; tidy up overrides overrview comment; tidy up misc notes files

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Allen Webster
2021-10-07 22:35:31 -07:00
parent 343b239fa1
commit 5d51cf478c
7 changed files with 213 additions and 88 deletions
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source/md.c
+38 -40
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@@ -3,44 +3,44 @@
#if !defined(MD_C)
#define MD_C
/* NOTE(allen): Notes on overrides/macro options:
/* NOTE(allen): Overrides & Options Macros:
**
** Overridable :
** "memset" ** REQUIRED (default crt-based implementation available)
** #define MD_IMPL_Memset (void*, int, MD_u64) -> void*
** #define MD_IMPL_Memmove (void*, void*, MD_u64) -> void*
** Overridable
** "memset" ** REQUIRED (default crt-based implementation)
** #define MD_IMPL_Memset (void*, int, uint64) -> void*
** #define MD_IMPL_Memmove (void*, void*, uint64) -> void*
**
** "file iteration" ** OPTIONAL
** #define MD_IMPL_FileIterBegin (MD_FileIter*, MD_String8) -> MD_b32
** "file iteration" ** OPTIONAL (default for win32 and linux)
** #define MD_IMPL_FileIterBegin (MD_FileIter*, MD_String8) -> Boolean
** #define MD_IMPL_FileIterNext (MD_Arena*, MD_FileIter*) -> MD_FileInfo
** #define MD_IMPL_FileIterEnd (MD_FileIter*) -> void
**
** "file load" ** OPTIONAL
** "file load" ** OPTIONAL (default for win32 and linux)
** #define MD_IMPL_LoadEntireFile (MD_Arena*, MD_String8 filename) -> MD_String8
**
** "low level memory" ** OPTIONAL (required for default arena)
** #define MD_IMPL_Reserve (MD_u64) -> void*
** #define MD_IMPL_Commit (void*, MD_u64) -> MD_b32
** #define MD_IMPL_Decommit (void*, MD_u64) -> void
** #define MD_IMPL_Release (void*, MD_u64) -> void
** "low level memory" ** OPTIONAL (required for default arena) (default for win32 and linux)
** #define MD_IMPL_Reserve (uint64) -> void*
** #define MD_IMPL_Commit (void*, uint64) -> MD_b32
** #define MD_IMPL_Decommit (void*, uint64) -> void
** #define MD_IMPL_Release (void*, uint64) -> void
**
** "arena" ** REQUIRED (default implementation available)
** "arena" ** REQUIRED (default available)
** #define MD_IMPL_Arena <type>
** #define MD_IMPL_ArenaAlloc () -> MD_IMPL_Arena*
** #define MD_IMPL_ArenaRelease (MD_IMPL_Arena*) -> void
** #define MD_IMPL_ArenaGetPos (MD_IMPL_Arena*) -> MD_u64
** #define MD_IMPL_ArenaPush (MD_IMPL_Arena*, MD_u64) -> void*
** #define MD_IMPL_ArenaPopTo (MD_IMPL_Arena*, MD_u64) -> void
** #define MD_IMPL_ArenaSetAutoAlign (MD_IMPL_Arena*, MD_u64) -> void
** #define MD_IMPL_ArenaHeaderSize MD_u64
** #define MD_IMPL_ArenaGetPos (MD_IMPL_Arena*) -> uint64
** #define MD_IMPL_ArenaPush (MD_IMPL_Arena*, uint64) -> void*
** #define MD_IMPL_ArenaPopTo (MD_IMPL_Arena*, uint64) -> void
** #define MD_IMPL_ArenaSetAutoAlign (MD_IMPL_Arena*, uint64) -> void
** #define MD_IMPL_ArenaHeaderSize uint64
**
** "scratch" ** REQUIRED (default implementation available)
** #define MD_IMPL_GetScratch (MD_IMPL_Arena**, MD_u64) -> MD_IMPL_Arena*
** "scratch" ** REQUIRED (default available)
** #define MD_IMPL_GetScratch (MD_IMPL_Arena**, uint64) -> MD_IMPL_Arena*
** "scratch constants" ** OPTIONAL (required for default scratch)
** #define MD_IMPL_ScratchCount MD_u64 / default 2
** #define MD_IMPL_ScratchCount uint64 [default 2]
**
** "sprintf" ** OPTIONAL (default implementation available)
** #define MD_IMPL_Vsnprintf (char * buf, int count, char const * fmt, va_list va) -> int
** "sprintf" ** OPTIONAL (default available)
** #define MD_IMPL_Vsnprintf (char*, uint64, char const*, va_list) -> uint64
**
** Default Implementation Controls
** These controls default to '1' i.e. 'enabled'
@@ -667,8 +667,6 @@ MD_GetScratchDefault(MD_Arena **conflicts, MD_u64 count)
//////////////////////// MD Library Implementation /////////////////////////////
////////////////////////////////////////////////////////////////////////////////
#define MD_UNTERMINATED_TOKEN_LEN_CAP 20
#if MD_DEFAULT_SPRINTF
#define STB_SPRINTF_IMPLEMENTATION
#define STB_SPRINTF_DECORATE(name) md_stbsp_##name
@@ -3372,14 +3370,14 @@ MD_ExprBakeOperatorTableFromList(MD_Arena *arena, MD_ExprOprList *list)
// error checking
MD_String8 error_str = MD_ZERO_STRUCT;
MD_Token op_token = MD_TokenFromString(op_s);
MD_b32 is_setlike_op =
(op_s.size == 2 &&
(MD_S8Match(op_s, MD_S8Lit("[]"), 0) || MD_S8Match(op_s, MD_S8Lit("()"), 0) ||
MD_S8Match(op_s, MD_S8Lit("[)"), 0) || MD_S8Match(op_s, MD_S8Lit("(]"), 0) ||
MD_S8Match(op_s, MD_S8Lit("{}"), 0)));
(op_s.size == 2 &&
(MD_S8Match(op_s, MD_S8Lit("[]"), 0) || MD_S8Match(op_s, MD_S8Lit("()"), 0) ||
MD_S8Match(op_s, MD_S8Lit("[)"), 0) || MD_S8Match(op_s, MD_S8Lit("(]"), 0) ||
MD_S8Match(op_s, MD_S8Lit("{}"), 0)));
if(op_kind != MD_ExprOprKind_Prefix && op_kind != MD_ExprOprKind_Postfix &&
op_kind != MD_ExprOprKind_Binary && op_kind != MD_ExprOprKind_BinaryRightAssociative)
{
@@ -3545,19 +3543,19 @@ MD_ExprParse_MakeContext(MD_ExprOprTable *op_table)
{
MD_ExprParseCtx result = MD_ZERO_STRUCT;
result.op_table = op_table;
result.accel.postfix_set_ops[0] = MD_ExprOprFromKindString(op_table, MD_ExprOprKind_Postfix, MD_S8Lit("()"));
result.accel.postfix_set_flags[0] = MD_NodeFlag_HasParenLeft | MD_NodeFlag_HasParenRight;
result.accel.postfix_set_ops[1] = MD_ExprOprFromKindString(op_table, MD_ExprOprKind_Postfix, MD_S8Lit("[]"));
result.accel.postfix_set_flags[1] = MD_NodeFlag_HasBracketLeft | MD_NodeFlag_HasBracketRight;
result.accel.postfix_set_ops[2] = MD_ExprOprFromKindString(op_table, MD_ExprOprKind_Postfix, MD_S8Lit("{}"));
result.accel.postfix_set_flags[2] = MD_NodeFlag_HasBraceLeft | MD_NodeFlag_HasBraceRight;
result.accel.postfix_set_ops[3] = MD_ExprOprFromKindString(op_table, MD_ExprOprKind_Postfix, MD_S8Lit("[)"));
result.accel.postfix_set_flags[3] = MD_NodeFlag_HasBracketLeft | MD_NodeFlag_HasParenRight;
result.accel.postfix_set_ops[4] = MD_ExprOprFromKindString(op_table, MD_ExprOprKind_Postfix, MD_S8Lit("(]"));
result.accel.postfix_set_flags[4] = MD_NodeFlag_HasParenLeft | MD_NodeFlag_HasBracketRight;
@@ -3713,7 +3711,7 @@ MD_ExprParse_MinPrecedence(MD_Arena *arena, MD_ExprParseCtx *ctx,
break;
}
}
else
{
MD_b32 found_postfix_setlike_operator = 0;
@@ -3731,7 +3729,7 @@ MD_ExprParse_MinPrecedence(MD_Arena *arena, MD_ExprParseCtx *ctx,
break;
}
}
if(!found_postfix_setlike_operator)
{
if(MD_ExprParse_OprConsume(ctx, iter, opl, MD_ExprOprKind_Postfix,
@@ -3744,7 +3742,7 @@ MD_ExprParse_MinPrecedence(MD_Arena *arena, MD_ExprParseCtx *ctx,
break; // NOTE: Due to lack of progress
}
}
}
}