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Merge pull request #1201 from quantified-uncertainty/issue-to-operator-priority

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to operator priority
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Vyacheslav Matyukhin 2022-10-04 15:23:44 +03:00 committed by GitHub
commit d60792aa93
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2 changed files with 12 additions and 12 deletions
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2
packages/squiggle-lang/__tests__/Reducer/Reducer_Peggy/Reducer_Peggy_Parse_test.res
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@ -182,7 +182,7 @@ describe("Peggy parse", () => {
"a.p1 to a.p2",
"{(:credibleIntervalToDistribution (:$_atIndex_$ :a 'p1') (:$_atIndex_$ :a 'p2'))}",
) // lower than post
testParse("1 to 2 + 3", "{(:add (:credibleIntervalToDistribution 1 2) 3)}") // higher than binary operators
testParse("1 to 2 + 3", "{(:credibleIntervalToDistribution 1 (:add 2 3))}")
testParse(
"1->add(2) to 3->add(4) -> add(4)",
"{(:credibleIntervalToDistribution (:add 1 2) (:add (:add 3 4) 4))}",

22
packages/squiggle-lang/src/rescript/Reducer/Reducer_Peggy/Reducer_Peggy_GeneratedParser.peggy
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@ -98,12 +98,20 @@ equality
equalityOp "operator" = '=='/'!='
relational
= left:additive _ operator:relationalOp _nl right:additive
= left:credibleInterval _ operator:relationalOp _nl right:credibleInterval
{ return h.makeFunctionCall(h.toFunction[operator], [left, right])}
/ additive
/ credibleInterval
relationalOp "operator" = '<='/'<'/'>='/'>'
credibleInterval
= head:additive tail:(__ operator:credibleIntervalOp __nl arg:additive {return {operator: operator, right: arg}})*
{ return tail.reduce(function(result, element) {
return h.makeFunctionCall(h.toFunction[element.operator], [result, element.right])
}, head)}
credibleIntervalOp "operator" = 'to'
additive
= head:multiplicative tail:(_ operator:additiveOp _nl arg:multiplicative {return {operator: operator, right: arg}})*
{ return tail.reduce(function(result, element) {
@ -121,21 +129,13 @@ multiplicative
multiplicativeOp "operator" = '*' / '/' / '.*' / './'
power
= head:credibleInterval tail:(_ operator:powerOp _nl arg:credibleInterval {return {operator: operator, right: arg}})*
= head:chainFunctionCall tail:(_ operator:powerOp _nl arg:chainFunctionCall {return {operator: operator, right: arg}})*
{ return tail.reduce(function(result, element) {
return h.makeFunctionCall(h.toFunction[element.operator], [result, element.right])
}, head)}
powerOp "operator" = '^' / '.^'
credibleInterval
= head:chainFunctionCall tail:(__ operator:credibleIntervalOp __nl arg:chainFunctionCall {return {operator: operator, right: arg}})*
{ return tail.reduce(function(result, element) {
return h.makeFunctionCall(h.toFunction[element.operator], [result, element.right])
}, head)}
credibleIntervalOp "operator" = 'to'
chainFunctionCall
= head:unary tail:(_ ('->'/'|>') _nl chained:chainedFunction {return chained})*
{ return tail.reduce(function(result, element) {