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| 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 | 26x 90x 6x 6x 11x 11x 11x 12x 12x 11x | /**
* Pure utility functions for binary expression generation.
* Extracted from BinaryExprGenerator for testability (Issue #419).
*/
import LiteralUtils from "../../../../../utils/LiteralUtils";
class BinaryExprUtils {
/**
* Issue #235: Try to parse a string as a numeric constant, when its value
* is exact (#1760 review: `LiteralUtils.isExactInteger`).
*/
static tryParseNumericLiteral(code: string): number | undefined {
return LiteralUtils.exactIntegerLiteral(code);
}
/**
* ADR-001: Map C-Next equality operator to C.
* C-Next uses = for equality (mathematical notation), C uses ==.
*/
static mapEqualityOperator(cnextOp: string): string {
return cnextOp === "=" ? "==" : cnextOp;
}
/**
* ADR-045: Generate strcmp comparison code for string equality.
*/
static generateStrcmpCode(
left: string,
right: string,
isNotEqual: boolean,
): string {
const cmpOp = isNotEqual ? "!= 0" : "== 0";
return `strcmp(${left}, ${right}) ${cmpOp}`;
}
/**
* Build a chained binary expression from operands and operators.
* Used by relational, shift, additive, and multiplicative generators.
*/
static buildChainedExpression(
operands: string[],
operators: string[],
defaultOp: string,
): string {
Iif (operands.length === 0) {
return "";
}
let result = operands[0];
for (let i = 1; i < operands.length; i++) {
const op = operators[i - 1] || defaultOp;
result += ` ${op} ${operands[i]}`;
}
return result;
}
}
export default BinaryExprUtils;
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