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[expr parsing] handle the 'errors' monad through the parse context instead of through return composition

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Allen Webster
2021-10-01 23:11:05 -07:00
parent ed377ebd33
commit 2f6ada618a
3 changed files with 48 additions and 43 deletions
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source/md.h
+5 -3
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@@ -770,7 +770,7 @@ struct MD_Expr
typedef struct MD_ExprParseResult MD_ExprParseResult;
struct MD_ExprParseResult
{
MD_Expr *node;
MD_Expr *expr;
MD_MessageList errors;
};
@@ -789,6 +789,8 @@ struct MD_ExprParseCtx
MD_ExprOpr *bracket_set_op;
MD_ExprOpr *brace_set_op;
} accel;
MD_MessageList errors;
};
//~ String Generation Types
@@ -1135,9 +1137,9 @@ MD_FUNCTION MD_b32 MD_ExprParse_OprConsume(MD_ExprParseCtx *ctx, MD_
MD_ExprOprKind kind,
MD_u32 min_precedence,
MD_ExprOpr **op_out);
MD_FUNCTION MD_ExprParseResult MD_ExprParse_Atom(MD_Arena *arena, MD_ExprParseCtx *ctx,
MD_FUNCTION MD_Expr* MD_ExprParse_Atom(MD_Arena *arena, MD_ExprParseCtx *ctx,
MD_Node **iter, MD_Node *opl);
MD_FUNCTION MD_ExprParseResult MD_ExprParse_Ctx_MinPrecedence(MD_Arena *arena,
MD_FUNCTION MD_Expr* MD_ExprParse_Ctx_MinPrecedence(MD_Arena *arena,
MD_ExprParseCtx *ctx,
MD_Node **iter, MD_Node *node,
MD_u32 min_precedence);