Mercurial > repos > rhope
view parse.rhope @ 16:e1c9f2cd99c8
Merged changes
author | Mike Pavone <pavone@retrodev.com> |
---|---|
date | Tue, 26 May 2009 23:37:38 -0400 |
parents | a4d2d633a356 |
children | 0a4682be2db2 |
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Blueprint Error { Message Line Column } Error[msg,text:out] { out <- [[[Build["Error"]]Message <<[msg]]Line << [ [[text]Line >>]+[1] ]]Column << [ [[text]Column >>]+[1] ] } To String@Error[error:out] { out <- [[[[[error]Message >>]Append[" on line "]]Append[[error]Line >>]]Append[" at column "]]Append[[error]Column >>] } Blueprint PImport Node { File } PImport Node[file:out] { out <- [Build["PImport Node"]]File <<[file] } Blueprint Worker Node { Name Blueprint Inputs Outputs Tree } Add Node Input@Worker Node[node,input:out] { Print["Add Node Input"] Print[["Input: "]Append[To String[input]]] out <- [node]Inputs <<[[[node]Inputs >>]Append[input]] } Add Node Output@Worker Node[node,output:out] { out <- [node]Outputs <<[[[node]Outputs >>]Append[output]] } Blueprint Statement { Expression Assignments Blocks } Statement[expression,assignments:out] { out <- [[[Build["Statement"]]Expression <<[expression]]Assignments <<[assignments]]Blocks <<[()] } Add Block@Statement[statement,block:out] { out <- [statement]Blocks <<[ [[statement]Blocks >>]Append[block] ] } Blueprint Worker Expression { Worker Blueprint Arguments } Blueprint Global Expression { Store Variable } Blueprint Pipe Expression { Name } Pipe Expression[name:out] { out <- [Build["Pipe Expression"]]Name <<[name] } Blueprint Block { Tree } Block[:out] { out <- [Build["Block"]]Tree <<[()] } Blueprint Field Expression { Name Set? } Field Expression[name,set?:out] { out <- [[Build["Field Expression"]]Name <<[name]]Set? <<[set?] } Body[node,tokens,current,depth:out,out index, done] { Print[["Body: Depth="]Append[depth]] If[[depth] > [0]] { token <- [tokens]Index[current] [token]Type Match["Block Begin"] { ,end stream <- [tokens]Next[current] { out,out index, done <- Body[node,tokens,~,[depth]+[1]] } }{ [token]Type Match["Block End"] { [tokens]Next[current] { out,out index, done <- Body[node,tokens,~,[depth]-[1]] }{ ,end stream <- If[[depth] = [1]] { Print["done"] out <- Val[node] done <- Yes } } }{ ,end stream <- [tokens]Next[current] { out,out index, done <- Body[node,tokens,~,depth] } } } }{ out <- node out index <- current } Val[end stream] { Print[To String[Error[["Unexpected end of stream after token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } Before Body[node,tokens,current:out,out index, done] { Print["Before body"] token <- [tokens]Index[current] next,end stream <- [tokens]Next[current] { [token]Type Match["Block Begin"] { out,out index, done <- Body[node,tokens,next,1] }{ out,out index, done <- Before Body[node,tokens,next] } } Val[end stream] { Print[To String[Error[["Unexpected end of stream after token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } Outputs[node,tokens,current:out,out index, done] { Print["outputs"] token <- [tokens]Index[current] next,end stream <- [tokens]Next[current] { [token]Type Match["Symbol"] { out,out index, done <- Outputs[[node]Add Node Output[[token]Text >>], tokens, next] }{ [token]Type Match["Args End"] { out,out index, done <- Before Body[node, tokens, next] }{ [token]Type Match[("List Separator","Block Comment","Line Comment","Newline")] { out,out index, done <- Outputs[node, tokens, next] }{ Print[To String[Error[["Unexpected token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } } } Val[end stream] { Print[To String[Error[["Unexpected end of stream after token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } Inputs[node,tokens,current:out,out index, done] { Print["Inputs"] token <- [tokens]Index[current] next,end stream <- [tokens]Next[current] { [token]Type Match["Symbol"] { out,out index, done <- Inputs[[node]Add Node Input[[token]Text >>], tokens, next] }{ [token]Type Match["Name Separator"] { Print["in out sep"] out,out index, done <- Outputs[node, tokens, next] }{ [token]Type Match["Args End"] { out,out index, done <- Before Body[node, tokens, next] }{ [token]Type Match[("List Separator","Block Comment","Line Comment","Newline")] { out,out index,done <- Inputs[node, tokens, next] }{ Print[To String[Error[["Unexpected token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } } } } Val[end stream] { Print[To String[Error[["Unexpected end of stream after token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } Method[node,tokens,current:out,out index,done] { token <- [tokens]Index[current] next <- [tokens]Next[current] { [token]Type Match["Symbol"] { out,out index,done <- Before Inputs[[node]Blueprint <<[[token]Text >>], tokens, next] }{ [token]Type Match[("List Separator","Block Comment","Line Comment","Newline")] { out,out index,done <- Method[node, tokens, next] }{ Print[To String[Error[["Unexpected token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } }{ Print[To String[Error[["Unexpected end of stream after token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } //TODO: support method declarations Before Inputs[node, tokens, current:out, out index, done] { Print["Before Inputs"] token <- [tokens]Index[current] [token]Type Match["Args Begin"] { [tokens]Next[current] { out,out index, done <- Inputs[node, tokens, ~] }{ Print[To String[Error[["Unexpected end of stream after token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } }{ [token]Type Match["Method Separator"] { [tokens]Next[current] { out,out index,done <- Method[node, tokens, ~] }{ Print[To String[Error[["Unexpected end of stream after token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } }{ [token]Type Match[("Line Comment","Block Comment","Newline")] { continue <- Yes }{ Print[To String[Error[["Unexpected token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } Val[continue] { [tokens]Next[current] { out,out index, done <- Before Inputs[node, tokens, ~] }{ Print[To String[Error[["Unexpected end of stream after token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } } } } Worker Node[name, tokens, current:out,out index, done] { Print[["Worker: "]Append[To String[name]]] out,out index, done <- Before Inputs[[[[[Build["Worker Node"]]Name <<[name]]Inputs <<[()]]Outputs <<[()]]Tree <<[()], tokens, current] } Skip Nodes[toskip, stop, tokens, current:out] { token <- [tokens]Index[current] next <- [tokens]Next[current] { [token]Type Match[stop] { out <- Val[next] }{ [token]Type Match[toskip] { out <- Skip Nodes[toskip, stop, tokens, next] }{ Print[To String[Error[["Unexpected end of stream after token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } }{ Print[To String[Error[["Unexpected end of stream after token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } Blueprint PBlueprint Node { Name Fields } Fields[node,tokens,current:out,out index,done] { token <- [tokens]Index[current] next <- [tokens]Next[current] { [token]Type Match["Symbol"] { out,out index,done <- Fields[[node]Add BField[[token]Text >>], tokens, next] }{ [token]Type Match["Block End"] { out <- Val[node] out index <- Val[next] }{ [token]Type Match[("Newline","Line Comment","Block Comment")] { out,out index,done <- Fields[node, tokens, next] }{ Print[To String[Error[["Unexpected end of stream after token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } } }{ [token]Type Match["Block End"] { out <- Val[node] done <- Yes }{ Print[To String[Error[["Unexpected end of stream after token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } } PBlueprint Node[name, tokens, current:out,out index,done] { node <- [[Build["PBlueprint Node"]]Name <<[name]]Fields <<[()] next <- Skip Nodes[("Newline","Block Comment","Comment"), "Block Begin", tokens, current] out,out index,done <- Fields[node, tokens, next] } Add BField@PBlueprint Node[node,field:out] { out <- [node]Fields <<[[[node]Fields >>]Append[field]] } Top Level[tokens, current, nodes:out] { token <- [tokens]Index[current] Print[[token]Type >>] [token]Type Match["Symbol"] { [[token]Text >>]After["Import "] { next nodes <- [nodes]Append[PImport Node[~]] next index <- Val[current] }{ blueprint name,worker name <- [~]After["Blueprint "] { [tokens]Next[current] { , next index <- PBlueprint Node[blueprint name, tokens, ~] { next nodes <- [nodes]Append[~] } {} { Print["done!"] out <- Val[next nodes] } }{ Print[To String[Error[["Unexpected end of stream after symbol "]Append[[token]Text >>], [token]Raw Text >>]]] } }{ [tokens]Next[current] { , next index <- Worker Node[worker name, tokens, ~] { next nodes <- [nodes]Append[~] } {} { Print["done!"] out <- Val[next nodes] } }{ Print[To String[Error[["Unexpected end of stream after symbol "]Append[[token]Text >>], [token]Raw Text >>]]] } } } }{ [token]Type Match[("Newline","Block Comment","Line Comment")] { next nodes <- Val[nodes] next index <- Val[current] }{ Print[To String[Error[["Unexpected token of type "]Append[[token]Type >>], [token]Raw Text >>]]] } } [tokens]Next[next index] { out <- Top Level[tokens, ~, next nodes] }{ out <- Val[next nodes] } } Parse[tokens:out] { [tokens]First { out <- Top Level[tokens, ~, ()] }{ out <- () } }