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Add rules to check switch-cases

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This commit is contained in:
Ilmir Usmanov
2014-08-19 16:22:05 +04:00
parent 471bbd9fc4
commit 126b8814a8
4 changed files with 61 additions and 101 deletions
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src/libjsparser/lexer.c
+30 -25
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@@ -1299,37 +1299,38 @@ lexer_next_token_private (void)
switch (c)
{
case '{': RETURN_PUNC (TOK_OPEN_BRACE);
case '}': RETURN_PUNC (TOK_CLOSE_BRACE);
case '(': RETURN_PUNC (TOK_OPEN_PAREN);
case ')': RETURN_PUNC (TOK_CLOSE_PAREN);
case '[': RETURN_PUNC (TOK_OPEN_SQUARE);
case ']': RETURN_PUNC (TOK_CLOSE_SQUARE);
case '.': RETURN_PUNC (TOK_DOT);
case ';': RETURN_PUNC (TOK_SEMICOLON);
case ',': RETURN_PUNC (TOK_COMMA);
case '~': RETURN_PUNC (TOK_COMPL);
case ':': RETURN_PUNC (TOK_COLON);
case '?': RETURN_PUNC (TOK_QUERY);
case '{': RETURN_PUNC (TOK_OPEN_BRACE); break;
case '}': RETURN_PUNC (TOK_CLOSE_BRACE); break;
case '(': RETURN_PUNC (TOK_OPEN_PAREN); break;
case ')': RETURN_PUNC (TOK_CLOSE_PAREN); break;
case '[': RETURN_PUNC (TOK_OPEN_SQUARE); break;
case ']': RETURN_PUNC (TOK_CLOSE_SQUARE); break;
case '.': RETURN_PUNC (TOK_DOT); break;
case ';': RETURN_PUNC (TOK_SEMICOLON); break;
case ',': RETURN_PUNC (TOK_COMMA); break;
case '~': RETURN_PUNC (TOK_COMPL); break;
case ':': RETURN_PUNC (TOK_COLON); break;
case '?': RETURN_PUNC (TOK_QUERY); break;
case '*': IF_LA_IS ('=', TOK_MULT_EQ, TOK_MULT);
case '/': IF_LA_IS ('=', TOK_DIV_EQ, TOK_DIV);
case '^': IF_LA_IS ('=', TOK_XOR_EQ, TOK_XOR);
case '%': IF_LA_IS ('=', TOK_MOD_EQ, TOK_MOD);
case '*': IF_LA_IS ('=', TOK_MULT_EQ, TOK_MULT); break;
case '/': IF_LA_IS ('=', TOK_DIV_EQ, TOK_DIV); break;
case '^': IF_LA_IS ('=', TOK_XOR_EQ, TOK_XOR); break;
case '%': IF_LA_IS ('=', TOK_MOD_EQ, TOK_MOD); break;
case '+': IF_LA_IS_OR ('+', TOK_DOUBLE_PLUS, '=', TOK_PLUS_EQ, TOK_PLUS);
case '-': IF_LA_IS_OR ('-', TOK_DOUBLE_MINUS, '=', TOK_MINUS_EQ, TOK_MINUS);
case '&': IF_LA_IS_OR ('&', TOK_DOUBLE_AND, '=', TOK_AND_EQ, TOK_AND);
case '|': IF_LA_IS_OR ('|', TOK_DOUBLE_OR, '=', TOK_OR_EQ, TOK_OR);
case '+': IF_LA_IS_OR ('+', TOK_DOUBLE_PLUS, '=', TOK_PLUS_EQ, TOK_PLUS); break;
case '-': IF_LA_IS_OR ('-', TOK_DOUBLE_MINUS, '=', TOK_MINUS_EQ, TOK_MINUS); break;
case '&': IF_LA_IS_OR ('&', TOK_DOUBLE_AND, '=', TOK_AND_EQ, TOK_AND); break;
case '|': IF_LA_IS_OR ('|', TOK_DOUBLE_OR, '=', TOK_OR_EQ, TOK_OR); break;
case '<':
{
switch (LA (1))
{
case '<': IF_LA_N_IS ('=', TOK_LSHIFT_EQ, TOK_LSHIFT, 2);
case '=': RETURN_PUNC_EX (TOK_LESS_EQ, 2);
case '<': IF_LA_N_IS ('=', TOK_LSHIFT_EQ, TOK_LSHIFT, 2); break;
case '=': RETURN_PUNC_EX (TOK_LESS_EQ, 2); break;
default: RETURN_PUNC (TOK_LESS);
}
break;
}
case '>':
{
@@ -1339,14 +1340,16 @@ lexer_next_token_private (void)
{
switch (LA (2))
{
case '>': IF_LA_N_IS ('=', TOK_RSHIFT_EX_EQ, TOK_RSHIFT_EX, 3);
case '=': RETURN_PUNC_EX (TOK_RSHIFT_EQ, 3);
case '>': IF_LA_N_IS ('=', TOK_RSHIFT_EX_EQ, TOK_RSHIFT_EX, 3); break;
case '=': RETURN_PUNC_EX (TOK_RSHIFT_EQ, 3); break;
default: RETURN_PUNC_EX (TOK_RSHIFT, 2);
}
break;
}
case '=': RETURN_PUNC_EX (TOK_GREATER_EQ, 2);
case '=': RETURN_PUNC_EX (TOK_GREATER_EQ, 2); break;
default: RETURN_PUNC (TOK_GREATER);
}
break;
}
case '=':
{
@@ -1358,6 +1361,7 @@ lexer_next_token_private (void)
{
RETURN_PUNC (TOK_EQ);
}
break;
}
case '!':
{
@@ -1369,6 +1373,7 @@ lexer_next_token_private (void)
{
RETURN_PUNC (TOK_NOT);
}
break;
}
default: JERRY_UNREACHABLE ();
}