The compute-graph-optim from mratsim

Tables not finding keys at compile-time

Probably related to the tables module using result internally and nim-lang/Nim#11637 but in the debugging branch

compute-graph-optim/e12_syntax_revamp.nim

Lines 392 to 402 in 447adb3

    
               of Add, Mul: 
        
                 if ast in visited: 
        
                   return visited[ast] 
        
                 if hash(ast) == 6289576662490420451 and visited.len > 3: 
        
                   echo "#####   Visited Nodes list  #####" 
        
                   for key in visited.keys(): 
        
                     echo hash(key), " - match: ", hash(key) == hash(ast) 
        
                   echo "Hash: ", hash(ast) 
        
                   echo "visited: ", visited.hasKey(ast) 
        
                   raise newException(ValueError, "STOP")

We get this output:

Hash/Type: 8780388888841795503/Mul visited: false
Hash/Type: 6289576662490420451/Add visited: false
Hash/Type: 5843786413407749220/Add visited: false
Hash/Type: 8108552307534575344/Assign visited: false
Hash/Type: 5417227221498790525/Assign visited: false
Hash/Type: 5417227221498790525/Mul visited: false
#####   Visited Nodes list  #####
6289576662490420451 - match: true
5843786413407749220 - match: false
8780388888841795503 - match: false
8108552307534575344 - match: false
5469918968171799156 - match: false
5417227221498790525 - match: false
Hash: 6289576662490420451
visited: false
stack trace: (most recent call last)
/home/beta/Programming/Nim/compute-graph-optim/e12_syntax_revamp.nim(923, 33) compile
/home/beta/Programming/Nim/compute-graph-optim/e12_syntax_revamp.nim(811, 27) innerProcGen
/home/beta/Programming/Nim/compute-graph-optim/e12_syntax_revamp.nim(355, 40) walkASTGeneric
/home/beta/Programming/Nim/compute-graph-optim/e12_syntax_revamp.nim(377, 31) walkASTGeneric
/home/beta/Programming/Nim/compute-graph-optim/e12_syntax_revamp.nim(355, 40) walkASTGeneric
/home/beta/Programming/Nim/compute-graph-optim/e12_syntax_revamp.nim(381, 31) walkASTGeneric
/home/beta/Programming/Nim/compute-graph-optim/e12_syntax_revamp.nim(410, 31) walkASTGeneric
/home/beta/Programming/Nim/compute-graph-optim/e12_syntax_revamp.nim(402, 9) walkASTGeneric
/home/beta/Programming/Nim/compute-graph-optim/e12_syntax_revamp.nim(1114, 10) template/generic instantiation of `generate` from here
/home/beta/Programming/Nim/compute-graph-optim/e12_syntax_revamp.nim(1086, 14) template/generic instantiation of `compile` from here
/home/beta/Programming/Nim/compute-graph-optim/e12_syntax_revamp.nim(402, 9) Error: unhandled exception: STOP

Meaning that key exists in the table but is not found ...

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Tables not finding keys at compile-time

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	of Add, Mul:
	if ast in visited:
	return visited[ast]

	if hash(ast) == 6289576662490420451 and visited.len > 3:
	echo "##### Visited Nodes list #####"
	for key in visited.keys():
	echo hash(key), " - match: ", hash(key) == hash(ast)
	echo "Hash: ", hash(ast)
	echo "visited: ", visited.hasKey(ast)
	raise newException(ValueError, "STOP")