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27 lines
882 B
Plaintext
27 lines
882 B
Plaintext
import codeql.ruby.AST
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import codeql.ruby.CFG
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import codeql.ruby.dataflow.SSA
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query predicate definition(Ssa::Definition def, Variable v) { def.getSourceVariable() = v }
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query predicate read(Ssa::Definition def, Variable v, CfgNode read) {
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def.getSourceVariable() = v and read = def.getARead()
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}
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query predicate firstRead(Ssa::Definition def, Variable v, CfgNode read) {
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def.getSourceVariable() = v and read = def.getAFirstRead()
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}
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query predicate lastRead(Ssa::Definition def, Variable v, CfgNode read) {
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def.getSourceVariable() = v and read = def.getALastRead()
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}
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query predicate adjacentReads(Ssa::Definition def, Variable v, CfgNode read1, CfgNode read2) {
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def.getSourceVariable() = v and
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def.hasAdjacentReads(read1, read2)
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}
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query predicate phi(Ssa::PhiNode phi, Variable v, Ssa::Definition input) {
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phi.getSourceVariable() = v and input = phi.getAnInput()
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}
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