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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,183 @@ | ||
| // generated by {{generator}}, do not edit | ||
| /** | ||
| * This module provides generated wrappers around the `CfgNode` type. | ||
| * | ||
| * INTERNAL: Do not import directly. | ||
| */ | ||
|
|
||
| private import codeql.util.Location | ||
| private import {{include_file_import}} | ||
|
|
||
| /** Provides the input to `MakeCfgNodes` */ | ||
| signature module InputSig<LocationSig Loc> { | ||
| class CfgNode { | ||
| AstNode getAstNode(); | ||
| string toString(); | ||
| Loc getLocation(); | ||
| } | ||
|
|
||
| AstNode getDesugared(AstNode n); | ||
| } | ||
|
|
||
| /** | ||
| * Given a `CfgNode` implementation, provides the module `Nodes` that | ||
| * contains wrappers around `CfgNode` for relevant classes. | ||
| */ | ||
| module MakeCfgNodes<LocationSig Loc, InputSig<Loc> Input> { | ||
| private import Input | ||
| final private class AstNodeFinal = AstNode; | ||
| final private class CfgNodeFinal = CfgNode; | ||
| /** | ||
| * INTERNAL: Do not expose. | ||
| */ | ||
| abstract class ChildMapping extends AstNodeFinal { | ||
| /** | ||
| * Holds if `child` is a (possibly nested) child of this AST node | ||
| * for which we would like to find a matching CFG child. | ||
| */ | ||
| abstract predicate relevantChild(AstNode child); | ||
| /** | ||
| * Holds if there is a control-flow path from `cfn` to `cfnChild`, where `cfn` | ||
| * is a control-flow node for this AST node, and `cfnChild` is a control-flow | ||
| * node for `child`. | ||
| * | ||
| * This predicate should be implemented at the place where `MakeCfgNodes` is | ||
| * invoked. | ||
| */ | ||
| cached | ||
| predicate hasCfgChild(AstNode child, CfgNode cfn, CfgNode cfnChild) { none() } | ||
| } | ||
|
|
||
| /** Provides sub classes of `CfgNode`. */ | ||
| module Nodes { | ||
| {{#classes}} | ||
| private final class {{name}}ChildMapping extends ChildMapping, {{name}} { | ||
| override predicate relevantChild(AstNode child) { | ||
| none() | ||
| {{#properties}} | ||
| {{#cfg}} | ||
| or | ||
| child = this.{{getter}}({{#is_indexed}}_{{/is_indexed}}) | ||
| {{/cfg}} | ||
| {{/properties}} | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| {{#doc}} | ||
| * {{.}} | ||
| {{/doc}} | ||
| */ | ||
| final class {{name}}CfgNode extends CfgNodeFinal{{#bases}}, {{.}}CfgNode{{/bases}} { | ||
| private {{name}}ChildMapping node; | ||
|
|
||
| {{name}}CfgNode() { | ||
| node = this.getAstNode() | ||
| } | ||
|
|
||
| /** Gets the underlying `{{name}}`. */ | ||
| {{name}} get{{name}}() { result = node } | ||
|
|
||
| {{#properties}} | ||
| /** | ||
| * {{>ql_property_doc}} * | ||
| {{#description}} | ||
| * {{.}} | ||
| {{/description}} | ||
| {{#internal}} | ||
| * INTERNAL: Do not use. | ||
| {{/internal}} | ||
| */ | ||
| {{type}}{{#cfg}}CfgNode{{/cfg}} {{getter}}({{#is_indexed}}int index{{/is_indexed}}) { | ||
| {{#cfg}} | ||
| node.hasCfgChild(node.{{getter}}({{#is_indexed}}index{{/is_indexed}}), this, result) | ||
| {{/cfg}} | ||
| {{^cfg}} | ||
| {{^is_predicate}}result = {{/is_predicate}}node.{{getter}}({{#is_indexed}}index{{/is_indexed}}) | ||
| {{/cfg}} | ||
| } | ||
|
|
||
| {{#is_optional}} | ||
| /** | ||
| * Holds if `{{getter}}({{#is_repeated}}index{{/is_repeated}})` exists. | ||
| {{#internal}} | ||
| * INTERNAL: Do not use. | ||
| {{/internal}} | ||
| */ | ||
| predicate has{{singular}}({{#is_repeated}}int index{{/is_repeated}}) { | ||
| exists(this.{{getter}}({{#is_repeated}}index{{/is_repeated}})) | ||
| } | ||
| {{/is_optional}} | ||
| {{#is_indexed}} | ||
|
|
||
| /** | ||
| * Gets any of the {{doc_plural}}. | ||
| {{#internal}} | ||
| * INTERNAL: Do not use. | ||
| {{/internal}} | ||
| */ | ||
| {{type}}{{#cfg}}CfgNode{{/cfg}} {{indefinite_getter}}() { | ||
| result = this.{{getter}}(_) | ||
| } | ||
| {{^is_optional}} | ||
|
|
||
| /** | ||
| * Gets the number of {{doc_plural}}. | ||
| {{#internal}} | ||
| * INTERNAL: Do not use. | ||
| {{/internal}} | ||
| */ | ||
| int getNumberOf{{plural}}() { | ||
| result = count(int i | exists(this.{{getter}}(i))) | ||
| } | ||
| {{/is_optional}} | ||
| {{/is_indexed}} | ||
| {{#is_unordered}} | ||
| /** | ||
| * Gets the number of {{doc_plural}}. | ||
| {{#internal}} | ||
| * INTERNAL: Do not use. | ||
| {{/internal}} | ||
| */ | ||
| int getNumberOf{{plural}}() { | ||
| result = count(this.{{getter}}()) | ||
| } | ||
| {{/is_unordered}} | ||
| {{/properties}} | ||
| } | ||
| {{/classes}} | ||
| } | ||
|
|
||
| module Consistency { | ||
| private predicate hasCfgNode(AstNode astNode) { | ||
| astNode = any(CfgNode cfgNode).getAstNode() | ||
| } | ||
|
|
||
| query predicate missingCfgChild(CfgNode parent, string pred, int child) { | ||
| none() | ||
| {{#classes}} | ||
| {{#properties}} | ||
| {{#cfg}} | ||
| or | ||
| pred = "{{getter}}" and | ||
| parent = any(Nodes::{{name}}CfgNode cfgNode, {{name}} astNode, {{type}} res | | ||
| astNode = cfgNode.get{{name}}() and | ||
| res = getDesugared(astNode.{{getter}}({{#is_indexed}}child{{/is_indexed}})) | ||
| {{^is_indexed}}and child = -1{{/is_indexed}} and | ||
| hasCfgNode(res) and | ||
| not res = cfgNode.{{getter}}({{#is_indexed}}child{{/is_indexed}}).getAstNode() | ||
| | | ||
| cfgNode | ||
| ) | ||
| {{/cfg}} | ||
| {{/properties}} | ||
| {{/classes}} | ||
| } | ||
| } | ||
| } |
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