reunion-2009-09-01: coach-ds-paul.dtd

File coach-ds-paul.dtd, 3.4 KB (added by coach, 16 years ago)
Line 
1<!-- Figure: a list of declarations followed by blocs. Another possibility:
2blocs and declarations are arbitrarily mixed.
3     NB: I don't like the name Figure                                   -->
4
5
6<!ELEMENT figure ((constant | variable | argument)*, (bloc)*) >
7<!ATTLIST figure name ID #REQUIRED>
8
9<!ELEMENT variable (identifier, (signed | unsigned | fixpoint |
10                             float | pointer | array | record))>
11
12<!ELEMENT constant (identifier, (signed | unsigned | fixpoint | float))>
13<!ATTLIST constant value CDATA #IMPLIED>
14
15<!ELEMENT argument (identifier, (signed | unsigned | fixpoint |
16                             float | pointer | array | record))>
17<!ATTLIST argument dir CDATA #REQUIRED>
18<!-- Allowed values: in, out, inout>
19
20<!-- Identifier -->
21
22<!ELEMENT identifier (#PCDATA)>
23
24
25<!-- Types -->
26
27<!ELEMENT signed EMPTY>
28<!ATTLIST signed size CDATA #IMPLIED> 
29
30<!ELEMENT unsigned EMPTY>
31<!ATTLIST unsigned size CDATA #IMPLIED>
32
33<!ELEMENT fixpoint EMPTY>
34<!ATTLIST fixpoint size CDATA #IMPLIED>
35<!ATTLIST fixpoint precision CDATA #IMPLIED>
36<!ATTLIST fixpoint rounding CDATA #IMPLIED> 
37
38<!ELEMENT float EMPTY>
39<!ATTLIST float exponent CDATA #IMPLIED>
40<!ATTLIST float mantissa CDATA #IMPLIED>
41
42
43<!ELEMENT pointer (signed | unsigned | fixpoint | float 
44                   | pointer | array | record)>
45
46<!-- All arrays are one dimensional. Many-dimensional arrays are
47     arrays of arrays of ....                                     -->
48
49<!ELEMENT array ((signed | unsigned | fixpoint | float
50                 | pointer | array | record), expression?)>
51
52<!ELEMENT record (variable *)>
53<!ATTLIST record label ID #REQUIRED>
54
55
56<!-- Expressions -->
57
58<!ELEMENT expression (identifier | (operator, expression*) | call)>
59
60<!ELEMENT operator (#PCDATA)>
61
62<!-- Needs a list of gcc allowed values:
63        - ordinary arithmetics, boolean and bitwise operators
64
65        - are combined assignment operators (+=, ++, etc.) resolved by gcc?
66
67        - are multiple assigments (as in x = a[i=j];) resolved by gcc?
68
69        - is the comma (as in for(i=0, j=1; ...)) resolved by gcc?
70
71        - dereferencing operators
72        - subscripting operators
73        - casts (?)
74        - sizeof (?)
75                                                                     -->
76
77
78<!-- Elementary statements -->
79
80
81<!ELEMENT statement (expression | call)>
82<!ATTLIST statement label ID #REQUIRED>
83
84<!ELEMENT call (identifier, expression*)>
85
86
87<!-- Hierarchical CDFG -->
88
89<!ELEMENT basicBloc (statement*, (outEdge)*, liveIn, liveOut)>
90<!ATTLIST basicBloc label ID #REQUIRED>
91
92<!-- More hierarchy: replace statement* by (statement | bloc)*       -->
93
94
95<!ELEMENT loop (iterator, bloc, (outEdge)*, liveIn, liveOut)>
96<!ATTLIST loop label ID #REQUIRED>
97
98<!-- Question: can a bloc have local declarations?
99     If so, a bloc is a figure !!!                                -->
100
101<!ELEMENT bloc (loop | basicBloc)*>
102<!ATTLIST bloc label ID #REQUIRED>
103
104<!ELEMENT outEdge (expression)>
105<!ATTLIST target IDREF #REQUIRED>
106
107<!-- Question: is this enough for handling
108       break, continue and goto statements?                        -->
109
110
111<!ELEMENT liveIn (identifier)*>
112<!ELEMENT liveOut (identifier)*>
113
114<!-- Iterators: to be defined more precisely -->
115
116<!ELEMENT iterator (for | while | do)>
117
118
119<!-- Question: what is the gcc translation of
120         while((p = ...) != 0) ...;
121     or of
122         while(i++, j>=0){...
123                                                                  -->