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Merged
merged 18 commits into from
Oct 16, 2024
Merged

Assignment Definition Changes #47

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e47092f
Feat: Change port name delimiter from _ to ;
01Parzival10 Oct 2, 2024
f5be7ec
Feat: Change delimiter
01Parzival10 Oct 2, 2024
3803b87
Feat: Changing Behaviour Definition, Validation and AutoCompletion
01Parzival10 Oct 8, 2024
a0d8dd3
Getting changes from main
01Parzival10 Oct 8, 2024
7347a8a
Feat: Adjusting Default Diagram
01Parzival10 Oct 8, 2024
9edb7e1
Fix: Prod build errors
01Parzival10 Oct 8, 2024
057a139
Doc: Added documentation for Regex in validation
01Parzival10 Oct 9, 2024
cf8d5f0
Feat: reducing regex complexity, keeping whitespaces
01Parzival10 Oct 9, 2024
c3fbce7
Fix: Pipe in labels
01Parzival10 Oct 9, 2024
dc71785
Fix: Detect delimiter as first symbol for input port
01Parzival10 Oct 9, 2024
07b249e
Fix: Edge case that caused validation to crash
01Parzival10 Oct 9, 2024
43fffc1
Merge branch 'assignment' of https://github.com/DataFlowAnalysis/WebE…
01Parzival10 Oct 9, 2024
08e542a
Fix: Severly improve autocompletion
01Parzival10 Oct 9, 2024
3290301
Remove debugging logs
01Parzival10 Oct 9, 2024
0f801f9
Fix: Add label verification in term
01Parzival10 Oct 11, 2024
24af14f
Fix: Regex allowed empty labeltype/values
01Parzival10 Oct 11, 2024
4cca5f6
Fix: Regex allowed empty labeltype/values for outlabels
01Parzival10 Oct 11, 2024
03127ce
Fix: prevent term and out labels from allowing a.b.c
01Parzival10 Oct 11, 2024
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203 changes: 117 additions & 86 deletions src/features/dfdElements/outputPortBehaviorValidation.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -20,14 +20,19 @@ interface PortBehaviorValidationError {
*/
@injectable()
export class PortBehaviorValidator {
// Regex that validates a set statement.
// Regex that validates assignments
// Matches "Assignment({input_Pins};Term;{out_Label})"
private static readonly ASSIGNMENT_REGEX =
/^Assignment\(\{(([A-Za-z0-9_\|]+(,\s*[A-Za-z0-9_\|]+)*)?)\};(\s*|!|TRUE|FALSE|\|\||&&|\(|\)|([A-Za-z0-9_]*\.[A-Za-z0-9_]*))+;\{(((([A-Za-z0-9_]*)\.[A-Za-z0-9_]*)+(,\s*([A-Za-z0-9_]*\.[A-Za-z0-9_]*))*)?)\}\)+$/;

// Regex that validates forwarding
// Matches "Forwarding({input_pins})"
private static readonly FORWARDING_REGEX = /^Forwarding\(\{[A-Za-z0-9_\|]+(,\s*[A-Za-z0-9_\|]+)*\}\)$/;

// Regex that validates a term
// Has the label type and label value that should be set as capturing groups.
private static readonly SET_REGEX =
/^set +([A-Za-z][A-Za-z0-9_]*)\.([A-Za-z][A-Za-z0-9_]*) *= *(?: +|!|TRUE|FALSE|\|\||&&|\(|\)|[A-Za-z][A-Za-z0-9_\|]*(?:\.[A-Za-z][A-Za-z0-9_]*){2})+$/;
// Regex that is used to extract all inputs, their label types and label values from a set statement.
// Each input is a match with the input name, label type and label value as capturing groups.
private static readonly SET_REGEX_EXPRESSION_INPUTS =
/([A-Za-z][A-Za-z0-9_\|]*)\.([A-Za-z][A-Za-z0-9_]*)\.([A-Za-z][A-Za-z0-9_]*)/g;
private static readonly TERM_REGEX = /^(\s*|!|TRUE|FALSE|\|\||&&|\(|\)|([A-Za-z0-9_]*\.[A-Za-z0-9_]*))+$/;

// Regex matching alphanumeric characters.
public static readonly REGEX_ALPHANUMERIC = /[A-Za-z0-9_\|]+/;

Expand Down Expand Up @@ -74,11 +79,11 @@ export class PortBehaviorValidator {
return;
}

if (line.startsWith("forward")) {
if (line.startsWith("Forwarding")) {
return this.validateForwardStatement(line, lineNumber, port);
}

if (line.startsWith("set")) {
if (line.startsWith("Assignment")) {
return this.validateSetStatement(line, lineNumber, port);
}

Expand All @@ -95,7 +100,17 @@ export class PortBehaviorValidator {
lineNumber: number,
port: DfdOutputPortImpl,
): PortBehaviorValidationError[] | undefined {
const inputsString = line.substring("forward".length);
const match = line.match(PortBehaviorValidator.FORWARDING_REGEX);
if (!match) {
return [
{
line: lineNumber,
message: "invalid forwarding(Template:Forwarding({in_ports})",
},
];
}

const inputsString = line.substring("Forwarding({".length, line.length - 2);
const inputs = inputsString.split(",").map((input) => input.trim());
if (inputs.filter((input) => input !== "").length === 0) {
return [
Expand Down Expand Up @@ -197,37 +212,12 @@ export class PortBehaviorValidator {
lineNumber: number,
port: DfdOutputPortImpl,
): PortBehaviorValidationError[] | undefined {
const match = line.match(PortBehaviorValidator.SET_REGEX);
const match = line.match(PortBehaviorValidator.ASSIGNMENT_REGEX);
if (!match) {
return [
{
line: lineNumber,
message: "invalid set statement",
},
];
}

// Check that the label type and value that this statement tries to set are valid.
const setLabelType = match[1];
const setLabelValue = match[2];
const labelType = this.labelTypeRegistry?.getLabelTypes().find((type) => type.name === setLabelType);
if (!labelType) {
return [
{
line: lineNumber,
message: `unknown label type: ${setLabelType}`,
colStart: line.indexOf(setLabelType),
colEnd: line.indexOf(setLabelType) + setLabelType.length,
},
];
}
if (!labelType.values.find((value) => value.text === setLabelValue)) {
return [
{
line: lineNumber,
message: `unknown label value of label type ${setLabelType}: ${setLabelValue}`,
colStart: line.indexOf(setLabelValue),
colEnd: line.indexOf(setLabelValue) + setLabelValue.length,
message: "invalid assignment(Template:Assignment({in_ports}; term; {out_label})",
},
];
}
Expand All @@ -246,7 +236,7 @@ export class PortBehaviorValidator {
return [
{
line: lineNumber,
message: "invalid set statement: missing opening parenthesis",
message: "invalid assignment: missing opening parenthesis",
colStart: strIdx,
colEnd: strIdx + 1,
},
Expand All @@ -258,61 +248,74 @@ export class PortBehaviorValidator {
return [
{
line: lineNumber,
message: "invalid set statement: missing closing parenthesis",
message: "invalid assignment: missing closing parenthesis",
},
];
}

// Extract all used inputs, label types and the corresponding label values.
const expression = line.split("=")[1].trim(); // get everything after the =
if (expression.length === 0) {
const term = line.split(";")[1].trim(); // get everything after the =
if (term.length === 0) {
return [
{
line: lineNumber,
message: "invalid set statement: missing expression",
message: "invalid assignment: missing term",
},
];
}

const matches = [...expression.matchAll(PortBehaviorValidator.SET_REGEX_EXPRESSION_INPUTS)];
const termMatch = term.match(PortBehaviorValidator.TERM_REGEX);
if (!termMatch) {
return [
{
line: lineNumber,
message: "invalid term",
},
];
}

const node = port.parent;
if (!(node instanceof DfdNodeImpl)) {
throw new Error("Expected port parent to be a DfdNodeImpl.");
}
const availableInputs = node.getAvailableInputs();

const innerContent = line.substring("Assignment(".length, line.length - 1);

// Step 2: Split by the semicolons to separate the blocks
const parts = innerContent.split(";").map((part) => part.trim());

const inPorts = parts[0]
.substring(1, parts[0].length - 1)
.split(",")
.map((variable) => variable.trim());
const outLabel = parts[2]
.substring(1, parts[2].length - 1)
.split(",")
.map((variable) => variable.trim());

// Check for each input access that the input exists and that the label type and value are valid.
const inputAccessErrors = [];
for (const inputMatch of matches) {
const inputName = inputMatch[1];
const inputLabelType = inputMatch[2];
const inputLabelValue = inputMatch[3];

if (!availableInputs.includes(inputName)) {
for (const inPortName of inPorts) {
if (!availableInputs.includes(inPortName) && inPortName !== "") {
// Find all occurrences of the unavailable input.
let idx = line.indexOf(inputName);
while (idx !== -1) {
// Check that this is not a substring of another input.
if (
// before must not be alphanumeric => start of this string must be the beginning of the input name
line[idx - 1]?.match(PortBehaviorValidator.REGEX_ALPHANUMERIC) &&
line[idx + inputName.length] === "." // must be followed by a dot to access the label type of the input
) {
inputAccessErrors.push({
line: lineNumber,
message: `invalid/unknown input: ${inputName}`,
colStart: idx,
colEnd: idx + inputName.length,
});
}

idx = line.indexOf(inputName, idx + 1);
}
let idx = line.indexOf(inPortName);
inputAccessErrors.push({
line: lineNumber,
message: `invalid/unknown input: ${inPortName}`,
colStart: idx,
colEnd: idx + inPortName.length,
});

continue;
}
}

for (const typeValuePair of outLabel) {
if (typeValuePair === "") continue;

const inputLabelType = typeValuePair.split(".")[0].trim();
const inputLabelTypeObject = this.labelTypeRegistry
?.getLabelTypes()
.find((type) => type.name === inputLabelType);
Expand All @@ -335,30 +338,58 @@ export class PortBehaviorValidator {

idx = line.indexOf(inputLabelType, idx + 1);
}
} else if (!inputLabelTypeObject.values.find((value) => value.text === inputLabelValue)) {
let idx = line.indexOf(inputLabelValue);
while (idx !== -1) {
// Check that this is not a substring of another label value.
if (
// must start after a dot and end at the end of the alphanumeric text
line[idx - 1] === "." &&
// Might be at the end of the line
(!line[idx + inputLabelValue.length] ||
!line[idx + inputLabelValue.length].match(PortBehaviorValidator.REGEX_ALPHANUMERIC))
) {
inputAccessErrors.push({
line: lineNumber,
message: `unknown label value of label type ${inputLabelType}: ${inputLabelValue}`,
colStart: idx,
colEnd: idx + inputLabelValue.length,
});
}
}

idx = line.indexOf(inputLabelValue, idx + 1);
if (typeValuePair.indexOf(".") !== -1) {
const inputLabelValue = typeValuePair.split(".")[1].trim();

const inputLabelTypeObject = this.labelTypeRegistry
?.getLabelTypes()
.find((type) => type.name === inputLabelType);
if (!inputLabelTypeObject) {
let idx = line.indexOf(inputLabelType);
while (idx !== -1) {
// Check that this is not a substring of another label type.
if (
// must start after a dot and end before a dot
line[idx - 1] === "." &&
line[idx + inputLabelType.length] === "."
) {
inputAccessErrors.push({
line: lineNumber,
message: `unknown label type: ${inputLabelType}`,
colStart: idx,
colEnd: idx + inputLabelType.length,
});
}

idx = line.indexOf(inputLabelType, idx + 1);
}
} else if (!inputLabelTypeObject.values.find((value) => value.text === inputLabelValue)) {
let idx = line.indexOf(inputLabelValue);
while (idx !== -1) {
// Check that this is not a substring of another label value.
if (
// must start after a dot and end at the end of the alphanumeric text
line[idx - 1] === "." &&
// Might be at the end of the line
(!line[idx + inputLabelValue.length] ||
!line[idx + inputLabelValue.length].match(PortBehaviorValidator.REGEX_ALPHANUMERIC))
) {
inputAccessErrors.push({
line: lineNumber,
message: `unknown label value of label type ${inputLabelType}: ${inputLabelValue}`,
colStart: idx,
colEnd: idx + inputLabelValue.length,
});
}

idx = line.indexOf(inputLabelValue, idx + 1);
}
}
}
}

return inputAccessErrors.length > 0 ? inputAccessErrors : undefined;
return inputAccessErrors.length > 0 ? inputAccessErrors : [];
}
}
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