Last change
on this file since 178 was 2, checked in by Rick van der Zwet, 15 years ago |
Initial import of data of old repository ('data') worth keeping (e.g. tracking
means of URL access statistics)
|
File size:
925 bytes
|
Line | |
---|
1 | #ifndef COERCION_H
|
---|
2 | #define COERCION_H
|
---|
3 |
|
---|
4 | #include "types.h"
|
---|
5 | #include "Node.h"
|
---|
6 | #include "SyntaxTree.h"
|
---|
7 |
|
---|
8 | /* Gives the ReturnType that is at least needed for binary operators
|
---|
9 | * based on the return types of the left and right hand sides.
|
---|
10 | */
|
---|
11 | ReturnType minimumtype(ReturnType lhs, ReturnType rhs);
|
---|
12 |
|
---|
13 | /* Check whether type is of expected type
|
---|
14 | */
|
---|
15 | void checkType(ReturnType expected, ReturnType actual);
|
---|
16 | void checkType(ReturnType expected, Node *expression);
|
---|
17 |
|
---|
18 |
|
---|
19 | /* Coerces the expression node if necessary.
|
---|
20 | * Returns either a coercion node or expression itself.
|
---|
21 | */
|
---|
22 | Node *coerce(ReturnType to, Node *expression);
|
---|
23 |
|
---|
24 | /* Checks if the number and type of the arguments to the call are correct
|
---|
25 | * and coerces arguments if necessary.
|
---|
26 | * It gives an error message if it is incorrect.
|
---|
27 | * call_node must be a valid NodeType of either NODE_FUNCTIONCALL or
|
---|
28 | * NODE_PROCCALL
|
---|
29 | */
|
---|
30 | void check_parameters(Node *call_node);
|
---|
31 |
|
---|
32 | #endif /* COERCION_H */
|
---|
Note:
See
TracBrowser
for help on using the repository browser.