feat: unclosed expression test added and fulfilled

2026-06-26 07:45:47 +03:00
parent 94cc652049
commit 67a111cd5b
3 changed files with 34 additions and 8 deletions
@@ -5,13 +5,20 @@ module;
 // This module is the transpiler from WBT to HTML for site build
 export module wbt;

-export enum WBT_States {
+enum WBT_States {
    WBT_STATE_INIT,
    WBT_STATE_OPEN,
    WBT_STATE_EXPRESSION,
    WBT_STATE_CLOSE,
 };

+struct WBT_Parser_Internal_Data {
+    int32_t line = 1;
+    int32_t column = 1;
+    int32_t expr_start_line = 1;
+    int32_t expr_start_column = 1;
+};
+
 export class WBT_Parser {
    std::istream& input;
    std::ostream& output;
@@ -38,8 +45,7 @@ public:
    void parse() const {
        auto state = WBT_STATE_INIT;
        std::string expr;
-        auto line = 1;
-        auto column = 1;
+        auto [line, column, expr_start_line, expr_start_column] = WBT_Parser_Internal_Data();
        while (input.peek() != std::char_traits<char>::eof()) {
            char c;
            input.get(c);
@@ -47,6 +53,8 @@ public:
            switch (state) {
                case WBT_STATE_INIT:
                    if (c == '{') {
+                        expr_start_line = line;
+                        expr_start_column = column;
                        state = WBT_STATE_OPEN;
                    } else {
                        output_char(c);
@@ -89,5 +97,9 @@ public:
                column++;
            }
        }
+        // Final state cannot be WBT_STATE_EXPRESSION
+        if (state == WBT_STATE_EXPRESSION) {
+            error("Unclosed expression", expr_start_line, expr_start_column);
+        }
    }
 };