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394 regels
10 KiB
394 regels
10 KiB
============================================
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Number literals
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============================================
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int a = 0xAC00;
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int b = 0.123;
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int c = 0b1010001;
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int d = 0xabc00ull;
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---
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(translation_unit
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(declaration (primitive_type) (init_declarator (identifier) (number_literal)))
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(declaration (primitive_type) (init_declarator (identifier) (number_literal)))
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(declaration (primitive_type) (init_declarator (identifier) (number_literal)))
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(declaration (primitive_type) (init_declarator (identifier) (number_literal))))
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============================================
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Identifiers
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============================================
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int main() {
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_abc;
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d_EG123;
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}
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---
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(translation_unit
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(function_definition
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
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(compound_statement
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(expression_statement (identifier))
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(expression_statement (identifier)))))
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============================================
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Common constants
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============================================
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int main() {
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true;
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false;
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NULL;
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// regression test - identifiers starting w/ these strings should tokenize correctly.
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true_value;
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false_value;
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NULL_value;
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}
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---
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(translation_unit
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(function_definition
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
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(compound_statement
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(expression_statement (true))
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(expression_statement (false))
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(expression_statement (null))
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(comment)
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(expression_statement (identifier))
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(expression_statement (identifier))
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(expression_statement (identifier)))))
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============================================
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Function calls
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============================================
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int main() {
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printf("hi! %d\n", x);
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}
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---
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(translation_unit
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(function_definition
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
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(compound_statement
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(expression_statement (call_expression
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(identifier)
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(argument_list (string_literal (escape_sequence)) (identifier)))))))
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============================================
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String literals
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============================================
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int main() {
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"a";
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"b" "c" "d";
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"\"hi\"";
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}
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---
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(translation_unit
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(function_definition
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
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(compound_statement
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(expression_statement (string_literal))
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(expression_statement (concatenated_string (string_literal) (string_literal) (string_literal)))
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(expression_statement (string_literal (escape_sequence) (escape_sequence))))))
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============================================
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Character literals
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============================================
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int main() {
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'a';
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'\0';
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'\t';
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'\'';
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}
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---
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(translation_unit
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(function_definition
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
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(compound_statement
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(expression_statement (char_literal))
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(expression_statement (char_literal (escape_sequence)))
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(expression_statement (char_literal (escape_sequence)))
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(expression_statement (char_literal (escape_sequence))))))
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============================================
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Field access
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============================================
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int main() {
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s.data1;
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p->data2;
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q[data3];
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}
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---
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(translation_unit
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(function_definition
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
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(compound_statement
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(expression_statement (field_expression (identifier) (field_identifier)))
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(expression_statement (field_expression (identifier) (field_identifier)))
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(expression_statement (subscript_expression (identifier) (identifier))))))
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============================================
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Boolean operators
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============================================
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int main() {
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!x || !y && !z;
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}
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---
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(translation_unit
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(function_definition
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
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(compound_statement
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(expression_statement (logical_expression
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(logical_expression (identifier))
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(logical_expression
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(logical_expression (identifier))
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(logical_expression (identifier))))))))
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============================================
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Math operators
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============================================
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int main() {
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-a / b + c * -d;
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a++ - ++b + c-- + --d;
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}
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---
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(translation_unit
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(function_definition
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
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(compound_statement
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(expression_statement (math_expression
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(math_expression
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(math_expression (identifier))
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(identifier))
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(math_expression
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(identifier)
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(math_expression (identifier)))))
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(expression_statement
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(math_expression
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(math_expression
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(math_expression
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(math_expression (identifier))
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(math_expression (identifier)))
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(math_expression (identifier)))
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(math_expression (identifier)))))))
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============================================
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The comma operator
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============================================
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int main() {
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i--, j--;
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(i--, j--);
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}
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---
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(translation_unit
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(function_definition
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
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(compound_statement
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(expression_statement
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(comma_expression
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(math_expression (identifier))
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(math_expression (identifier))))
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(expression_statement
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(parenthesized_expression
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(comma_expression
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(math_expression (identifier))
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(math_expression (identifier))))))))
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============================================
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Assignments
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============================================
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int main() {
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static int a = 1;
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b = *c = 2;
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d.e = 3;
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f->g = 4;
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h[i] = j;
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k += l;
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m -= o;
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n *= p;
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q /= r;
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}
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---
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(translation_unit
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(function_definition
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
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(compound_statement
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(declaration (storage_class_specifier) (primitive_type) (init_declarator (identifier) (number_literal)))
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(expression_statement (assignment_expression (identifier) (assignment_expression (pointer_expression (identifier)) (number_literal))))
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(expression_statement (assignment_expression (field_expression (identifier) (field_identifier)) (number_literal)))
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(expression_statement (assignment_expression (field_expression (identifier) (field_identifier)) (number_literal)))
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(expression_statement (assignment_expression (subscript_expression (identifier) (identifier)) (identifier)))
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(expression_statement (assignment_expression (identifier) (identifier)))
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(expression_statement (assignment_expression (identifier) (identifier)))
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(expression_statement (assignment_expression (identifier) (identifier)))
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(expression_statement (assignment_expression (identifier) (identifier))))))
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============================================
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Pointer operations
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============================================
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int main() {
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doSomething(&x, *x);
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}
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---
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|
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(translation_unit
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(function_definition
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(primitive_type)
|
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(function_declarator (identifier) (parameter_list))
|
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(compound_statement
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(expression_statement (call_expression
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(identifier)
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(argument_list
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(pointer_expression (identifier))
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(pointer_expression (identifier))))))))
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============================================
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Type-casts
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============================================
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int main() {
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x = (const SomeType *)thing;
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}
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---
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|
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(translation_unit
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(function_definition
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
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(compound_statement
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(expression_statement (assignment_expression
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(identifier)
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(cast_expression
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(type_descriptor (type_qualifier) (type_identifier) (abstract_pointer_declarator))
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(identifier)))))))
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============================================
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Sizeof expressions
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============================================
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int main() {
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sizeof x.a;
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sizeof(x.a);
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sizeof(const char **);
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sizeof(char * ());
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}
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---
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|
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(translation_unit
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(function_definition
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
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(compound_statement
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(expression_statement (sizeof_expression (field_expression (identifier) (field_identifier))))
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(expression_statement (sizeof_expression (parenthesized_expression (field_expression (identifier) (field_identifier)))))
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(expression_statement (sizeof_expression
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(type_descriptor (type_qualifier) (primitive_type) (abstract_pointer_declarator (abstract_pointer_declarator)))))
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(expression_statement (sizeof_expression
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(type_descriptor (primitive_type) (abstract_pointer_declarator (abstract_function_declarator (parameter_list)))))))))
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============================================
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Compound literals
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============================================
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int main() {
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x = (SomeType) {
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.f1.f2[f3] = 5,
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.f4 = {}
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};
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y = (struct SomeStruct) {
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7,
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8
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};
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}
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---
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|
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(translation_unit
|
|
(function_definition
|
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
|
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(compound_statement
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(expression_statement (assignment_expression
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(identifier)
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(compound_literal_expression
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(type_descriptor (type_identifier))
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(initializer_list
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(initializer_pair
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(field_designator (field_identifier))
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(field_designator (field_identifier))
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(subscript_designator (identifier))
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(number_literal))
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(initializer_pair
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(field_designator (field_identifier))
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(initializer_list))))))
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(expression_statement (assignment_expression
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(identifier)
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(compound_literal_expression
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(type_descriptor (struct_specifier (type_identifier)))
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(initializer_list
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(number_literal)
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(number_literal))))))))
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============================================
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Compound literals with trailing commas
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============================================
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int main() {
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y = (struct SomeStruct) { 7, 8, };
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}
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---
|
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|
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(translation_unit
|
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(function_definition
|
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(primitive_type)
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(function_declarator (identifier) (parameter_list))
|
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(compound_statement
|
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(expression_statement (assignment_expression
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(identifier)
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(compound_literal_expression
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(type_descriptor (struct_specifier (type_identifier)))
|
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(initializer_list
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(number_literal)
|
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(number_literal))))))))
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