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44 lines
1.3 KiB
44 lines
1.3 KiB
import type { BasicBlock } from "./block"
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import type { AbsInsn2, AbsInsn3, Operand } from "./insn"
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import type { Loc } from "./loc"
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export const prettyPrintBlock = (block: BasicBlock): string => prettyPrintInsns(block.insns)
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export const prettyPrintInsns = <A extends AbsInsn2 | AbsInsn3>(block: Array<A>): string => {
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return block.map(prettyPrintInsn).join("\n")
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}
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export const prettyPrintInsn = (ssa: AbsInsn2 | AbsInsn3): string => {
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let output = ""
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switch (ssa.type) {
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case 'copy':
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output = `${ppLoc(ssa.dest)} = ${ppOp(ssa.source)}`
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break
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case 'unary':
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output = `${ppLoc(ssa.dest)} = ${ssa.op}(${ppOp(ssa.source)})`
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break
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case 'binary':
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output = `${ppLoc(ssa.dest)} = ${ssa.op}(${ppOp(ssa.source)}, ${ppOp(ssa.source1)})`
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break
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case 'goto':
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output = `goto(${ssa.dest})`
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break
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case 'label':
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output = `${ssa.dest}:`
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break
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}
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return output
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}
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const ppOp = (op: Operand): string =>
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typeof op === "number"
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? op.toString()
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: ppLoc(op)
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const ppLoc = (loc: Loc): string => ({
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'register': `%${loc.name}`,
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'temporary': `#${loc.name}`,
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'variable': loc.name,
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}[loc.type])
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