Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2669x 2669x 2669x 2669x 2669x 2669x 2669x 273x 273x 273x 273x 273x 273x 6x 6x 6x 6x 6x 6x 273x 2663x 2663x 2663x 2663x 2663x 2663x 2669x 1050x 1050x 1050x 1050x 1x 1x 1x 1050x 326x 1x 1x 1x 1x 1x 326x 325x 325x 1x 1x 1x 1x 1x 1x 1x 1049x 72x 72x 72x 723x 17x 17x 17x 17x 17x 17x 2x 2x 651x 324x 18x 18x 324x 634x 310x 66x 1x 1x 1x 1x 65x 66x 49x 49x 310x 122x 122x 31x 31x 19x 3x 19x 2x 2x 19x 122x 34x 34x 27x 4x 27x 2x 2x 27x 34x 1043x 1043x 1043x 2656x 2656x 2656x 1x 1x 1x 1x 2663x 2663x 2663x 2663x 2663x 2663x 2663x 2663x 115x 2663x 2548x 2496x 2548x 52x 2x 52x 50x 50x 50x 50x 50x 29x 29x 50x 17x 17x 17x 21x 4x 4x 4x 4x 50x 1x 1x | import {ExpressionNode} from "../../nodes";
import {AbstractType} from "../../types/basic/_abstract_type";
import {INode} from "../../nodes/_inode";
import * as Expressions from "../../2_statements/expressions";
import {Dash, DashW, InstanceArrow} from "../../1_lexer/tokens";
import {StructureType, ObjectReferenceType, VoidType, DataReference, TableType, UnknownType, GenericObjectReferenceType, CharacterType, HexType} from "../../types/basic";
import {ComponentName} from "./component_name";
import {AttributeName} from "./attribute_name";
import {ReferenceType} from "../_reference";
import {FieldOffset} from "./field_offset";
import {FieldLength} from "./field_length";
import {TableExpression} from "./table_expression";
import {Dereference as DereferenceExpression} from "../../2_statements/expressions";
import {Dereference} from "./dereference";
import {SourceFieldSymbol} from "./source_field_symbol";
import {SourceField} from "./source_field";
import {CheckSyntaxKey, SyntaxInput, syntaxIssue} from "../_syntax_input";
import {LanguageVersion, Release, releaseAtLeast} from "../../../version";
export class FieldChain {
public static runSyntax(
node: ExpressionNode,
input: SyntaxInput,
refType?: ReferenceType | ReferenceType[] | undefined,
allowGenericDeference = false): AbstractType | undefined {
if (node.getFirstChild()?.get() instanceof Expressions.SourceField
&& node.findDirectExpression(Expressions.ComponentName)) {
// workaround for names with dashes, eg. "sy-repid"
const concat = node.concatTokens().replace(/ /g, "");
const offset = node.findDirectExpression(Expressions.FieldOffset)?.concatTokens().replace(/ /g, "") || "";
const length = node.findDirectExpression(Expressions.FieldLength)?.concatTokens().replace(/ /g, "") || "";
const found = input.scope.findVariable(concat.replace(offset, "").replace(length, ""));
if (found) {
if (refType) {
input.scope.addReference(node.getFirstToken(), found, refType, input.filename);
}
// this is not completely correct, but will work, dashes in names is a mess anyhow
return found.getType();
}
}
let context: AbstractType | undefined = undefined;
const children = node.getChildren();
context = this.findTop(children[0], input, refType);
let prev = children[0].concatTokens();
for (let i = 1; i < children.length; i++) {
const current = children[i];
if (current === undefined) {
break;
}
if (current.get() instanceof DashW) {
const message = "Ending with dash";
input.issues.push(syntaxIssue(input, current.getFirstToken(), message));
return VoidType.get(CheckSyntaxKey);
} else if (current.get() instanceof Dash) {
if (context instanceof UnknownType) {
/*
const message = "Not a structure, type unknown, FieldChain";
input.issues.push(syntaxIssue(input, current.getFirstToken(), message));
*/
return VoidType.get(CheckSyntaxKey);
} else if (!(context instanceof StructureType)
&& !(context instanceof TableType && context.isWithHeader())
&& !(context instanceof VoidType)) {
if (context instanceof TableType && context.isWithHeader() === false) {
let contextName = "";
for (let j = 0; j < i; j++) {
contextName += children[j].concatTokens();
}
if (input.scope.isAllowHeaderUse(contextName)) {
// FOR ALL ENTRIES workaround
context = context.getRowType();
if (!(context instanceof StructureType) && !(context instanceof VoidType)) {
context = new StructureType([{name: "TABLE_LINE", type: context}]);
}
} else {
const message = "Table without header, cannot access fields, " + contextName;
input.issues.push(syntaxIssue(input, current.getFirstToken(), message));
return VoidType.get(CheckSyntaxKey);
}
} else {
const message = prev.toUpperCase() + " is not structured (" + context?.constructor.name + ")";
input.issues.push(syntaxIssue(input, current.getFirstToken(), message));
return VoidType.get(CheckSyntaxKey);
}
}
} else if (current.get() instanceof InstanceArrow) {
if (!(context instanceof ObjectReferenceType)
&& !(context instanceof DataReference)
&& !(context instanceof VoidType)) {
const message = "Not an object reference, field chain";
input.issues.push(syntaxIssue(input, current.getFirstToken(), message));
return VoidType.get(CheckSyntaxKey);
}
} else if (current.get() instanceof DereferenceExpression) {
context = Dereference.runSyntax(current, context, input);
if (allowGenericDeference === false
&& context?.isGeneric() === true
&& !releaseAtLeast(input.scope.getRelease(), Release.v756)
&& input.scope.getLanguageVersion() !== LanguageVersion.Cloud
&& !input.scope.getOpenABAP()) {
throw new Error("A generic reference cannot be dereferenced");
}
} else if (current.get() instanceof Expressions.ComponentName) {
if (context instanceof TableType && context.isWithHeader()) {
context = context.getRowType();
}
context = ComponentName.runSyntax(context, current, input);
} else if (current instanceof ExpressionNode
&& current.get() instanceof Expressions.TableExpression) {
if (!(context instanceof TableType) && !(context instanceof VoidType) && !(context instanceof UnknownType)) {
const message = "Table expression, expected table";
input.issues.push(syntaxIssue(input, current.getFirstToken(), message));
return VoidType.get(CheckSyntaxKey);
}
TableExpression.runSyntax(current, input, context);
if (!(context instanceof VoidType) && !(context instanceof UnknownType)) {
context = context.getRowType();
}
} else if (current.get() instanceof Expressions.AttributeName) {
context = AttributeName.runSyntax(context, current, input, refType);
} else if (current.get() instanceof Expressions.FieldOffset && current instanceof ExpressionNode) {
const offset = FieldOffset.runSyntax(current, input);
if (offset) {
if (context instanceof CharacterType) {
context = new CharacterType(context.getLength() - offset);
} else if (context instanceof HexType) {
context = new HexType(context.getLength() - offset);
}
}
} else if (current.get() instanceof Expressions.FieldLength && current instanceof ExpressionNode) {
const length = FieldLength.runSyntax(current, input);
if (length) {
if (context instanceof CharacterType) {
context = new CharacterType(length);
} else if (context instanceof HexType) {
context = new HexType(length);
}
}
}
prev = current.concatTokens();
}
return context;
}
////////////////
private static findTop(
node: INode | undefined,
input: SyntaxInput,
type: ReferenceType | ReferenceType[] | undefined): AbstractType | undefined {
if (node === undefined) {
return undefined;
}
if (node instanceof ExpressionNode
&& node.get() instanceof Expressions.SourceFieldSymbol) {
return SourceFieldSymbol.runSyntax(node, input);
} else if (node instanceof ExpressionNode
&& node.get() instanceof Expressions.SourceField) {
return SourceField.runSyntax(node, input, type);
} else if (node instanceof ExpressionNode
&& node.get() instanceof Expressions.Field) {
return SourceField.runSyntax(node, input, type);
} else if (node.get() instanceof Expressions.ClassName) {
const classTok = node.getFirstToken();
const classNam = classTok.getStr();
if (classNam.toUpperCase() === "OBJECT") {
return new GenericObjectReferenceType();
}
const found = input.scope.existsObject(classNam);
if (found?.id) {
input.scope.addReference(classTok, found.id, ReferenceType.ObjectOrientedReference, input.filename);
return new ObjectReferenceType(found.id);
} else if (input.scope.getDDIC().inErrorNamespace(classNam) === false) {
input.scope.addReference(classTok, undefined,
ReferenceType.ObjectOrientedVoidReference, input.filename, {ooName: classNam.toUpperCase()});
return VoidType.get(classNam);
} else {
const message = "Unknown class " + classNam;
input.issues.push(syntaxIssue(input, node.getFirstToken(), message));
return VoidType.get(CheckSyntaxKey);
}
}
return undefined;
}
}
|