iwmlib/doc/ast.html

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2019-03-29 08:49:53 +01:00
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.node circle {
fill: #999;
}
.node text {
font: 10px sans-serif;
}
.node--internal circle {
fill: #555;
}
.node--internal text {
text-shadow: 0 1px 0 #fff, 0 -1px 0 #fff, 1px 0 0 #fff, -1px 0 0 #fff;
}
.link {
fill: none;
stroke: #555;
stroke-opacity: 0.4;
stroke-width: 1.5px;
}
</style>
<svg width="960" height="512"></svg>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/2.0.3/fetch.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.7.1/d3.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/acorn/4.0.11/acorn.min.js"></script>
<script>
fetch("../apps/loader/js/main.js")
.then(response => response.text())
.then(text => {
const ast = acorn.parse(text, {
sourceType: "module",
// collect ranges for each node
ranges: true,
// collect comments in Esprima's format
onComment: null,
// collect token ranges
onToken: null
})
console.info(ast)
drawAst(ast)
})
/*
*
*/
function drawAst(ast) {
// Create SVG element
//---------------------------
let svg = d3.select("svg")
const width = svg.attr("width")
const height = svg.attr("height")
let g = svg.append("g").attr("transform", "translate(40,0)")
// Convert data
//---------------------------
const data = acornToHierarchy(ast)
// Create D3 Hierarchy
//---------------------------
let root = d3.hierarchy(data).sort((a, b) => {
return (a.height - b.height) || a.data.name.localeCompare(b.data.name);
})
// Create D3 Cluster
//---------------------------
let tree = d3.cluster().size([height, width - 200])
tree(root)
// Create SVG elements
//---------------------------
let link = g.selectAll(".link")
.data(root.descendants().slice(1))
.enter().append("path")
.attr("class", "link")
.attr("d", d => {
return `M${d.y},${d.x}C${d.parent.y + 100},${d.x} ${d.parent.y + 100},${d.parent.x} ${d.parent.y},${d.parent.x}`
})
let node = g.selectAll(".node")
.data(root.descendants())
.enter().append("g")
.attr("class", d => "node" + (d.children ? " node--internal" : " node--leaf"))
.attr("transform", d => `translate(${d.y},${d.x})`)
node.append("circle")
.attr("r", 5)
node.append("text")
.attr("dy", 3)
.attr("x", d => d.children ? -8 : 8)
.style("text-anchor", d => d.children ? "end" : "start")
.text(d => d.data.name)
}
/*
*
*/
function acornToHierarchy(ast) {
console.info(JSON.stringify(ast))
let data = {}
for (const clazz of ast.body) {
if (clazz.type === "ClassDeclaration") {
data.name = clazz.id.name
data.children = []
for (const method of clazz.body.body) {
if (method.type === "MethodDefinition") {
data.children.push({
name: method.key.name,
children: []
})
}
}
}
}
/*
const data = {
"name": "Eve",
"children": [{
"name": "Cain"
}, {
"name": "Seth",
"children": [{
"name": "Enos"
}, {
"name": "Noam"
}]
}, {
"name": "Abel"
}, {
"name": "Awan",
"children": [{
"name": "Enoch"
}]
}, {
"name": "Azura"
}]
}
*/
return data
}
</script>