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widl: Add support for comparison, exclusive or, logical not and positive operators in expressions.

This commit is contained in:
Rob Shearman 2008-04-22 11:35:48 +01:00 committed by Alexandre Julliard
parent 6f9020290b
commit cc3682cf12
5 changed files with 171 additions and 38 deletions
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62
tools/widl/header.c
View File

@ -495,14 +495,26 @@ void write_expr(FILE *h, const expr_t *e, int brackets)
case EXPR_IDENTIFIER:
fprintf(h, "%s", e->u.sval);
break;
case EXPR_NEG:
fprintf(h, "-");
case EXPR_LOGNOT:
fprintf(h, "!");
write_expr(h, e->ref, 1);
break;
case EXPR_NOT:
fprintf(h, "~");
write_expr(h, e->ref, 1);
break;
case EXPR_POS:
fprintf(h, "+");
write_expr(h, e->ref, 1);
break;
case EXPR_NEG:
fprintf(h, "-");
write_expr(h, e->ref, 1);
break;
case EXPR_ADDRESSOF:
fprintf(h, "&");
write_expr(h, e->ref, 1);
break;
case EXPR_PPTR:
fprintf(h, "*");
write_expr(h, e->ref, 1);
@ -529,20 +541,38 @@ void write_expr(FILE *h, const expr_t *e, int brackets)
case EXPR_OR:
case EXPR_MEMBERPTR:
case EXPR_MEMBER:
if (brackets) fprintf(h, "(");
case EXPR_LOGOR:
case EXPR_LOGAND:
case EXPR_XOR:
case EXPR_EQUALITY:
case EXPR_INEQUALITY:
case EXPR_GTR:
case EXPR_LESS:
case EXPR_GTREQL:
case EXPR_LESSEQL:
if (brackets) fprintf(h, "(");
write_expr(h, e->ref, 1);
switch (e->type) {
case EXPR_SHL: fprintf(h, " << "); break;
case EXPR_SHR: fprintf(h, " >> "); break;
case EXPR_MOD: fprintf(h, " %% "); break;
case EXPR_MUL: fprintf(h, " * "); break;
case EXPR_DIV: fprintf(h, " / "); break;
case EXPR_ADD: fprintf(h, " + "); break;
case EXPR_SUB: fprintf(h, " - "); break;
case EXPR_AND: fprintf(h, " & "); break;
case EXPR_OR: fprintf(h, " | "); break;
case EXPR_MEMBERPTR: fprintf(h, "->"); break;
case EXPR_MEMBER: fprintf(h, "."); break;
case EXPR_SHL: fprintf(h, " << "); break;
case EXPR_SHR: fprintf(h, " >> "); break;
case EXPR_MOD: fprintf(h, " %% "); break;
case EXPR_MUL: fprintf(h, " * "); break;
case EXPR_DIV: fprintf(h, " / "); break;
case EXPR_ADD: fprintf(h, " + "); break;
case EXPR_SUB: fprintf(h, " - "); break;
case EXPR_AND: fprintf(h, " & "); break;
case EXPR_OR: fprintf(h, " | "); break;
case EXPR_MEMBERPTR: fprintf(h, "->"); break;
case EXPR_MEMBER: fprintf(h, "."); break;
case EXPR_LOGOR: fprintf(h, " || "); break;
case EXPR_LOGAND: fprintf(h, " && "); break;
case EXPR_XOR: fprintf(h, " ^ "); break;
case EXPR_EQUALITY: fprintf(h, " == "); break;
case EXPR_INEQUALITY: fprintf(h, " != "); break;
case EXPR_GTR: fprintf(h, " > "); break;
case EXPR_LESS: fprintf(h, " < "); break;
case EXPR_GTREQL: fprintf(h, " >= "); break;
case EXPR_LESSEQL: fprintf(h, " <= "); break;
default: break;
}
write_expr(h, e->u.ext, 1);
@ -557,10 +587,6 @@ void write_expr(FILE *h, const expr_t *e, int brackets)
write_expr(h, e->ext2, 1);
if (brackets) fprintf(h, ")");
break;
case EXPR_ADDRESSOF:
fprintf(h, "&");
write_expr(h, e->ref, 1);
break;
case EXPR_ARRAY:
if (brackets) fprintf(h, "(");
write_expr(h, e->ref, 1);

6
tools/widl/parser.l
View File

@ -163,6 +163,12 @@ SAFEARRAY{ws}*/\( return tSAFEARRAY;
<INITIAL,ATTR>\<\< return SHL;
<INITIAL,ATTR>\>\> return SHR;
<INITIAL,ATTR>\-\> return MEMBERPTR;
<INITIAL,ATTR>== return EQUALITY;
<INITIAL,ATTR>!= return INEQUALITY;
<INITIAL,ATTR>\>= return GREATEREQUAL;
<INITIAL,ATTR>\<= return LESSEQUAL;
<INITIAL,ATTR>\|\| return LOGICALOR;
<INITIAL,ATTR>&& return LOGICALAND;
<INITIAL,ATTR>. return yytext[0];
<<EOF>> {
if (import_stack_ptr)

59
tools/widl/parser.y
View File

@ -3,6 +3,7 @@
* IDL Compiler
*
* Copyright 2002 Ove Kaaven
* Copyright 2006-2008 Robert Shearman
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -181,6 +182,9 @@ static void add_explicit_handle_if_necessary(func_t *func);
%token aEOF
%token SHL SHR
%token MEMBERPTR
%token EQUALITY INEQUALITY
%token GREATEREQUAL LESSEQUAL
%token LOGICALOR LOGICALAND
%token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
%token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
%token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
@ -290,12 +294,17 @@ static void add_explicit_handle_if_necessary(func_t *func);
%left ','
%right '?' ':'
%left LOGICALOR
%left LOGICALAND
%left '|'
%left '^'
%left '&'
%left EQUALITY INEQUALITY
%left '<' '>' LESSEQUAL GREATEREQUAL
%left SHL SHR
%left '-' '+'
%left '*' '/' '%'
%right '~' CAST PPTR NEG ADDRESSOF tSIZEOF
%right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
%left '.' MEMBERPTR '[' ']'
%%
@ -624,16 +633,27 @@ expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
| tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
| aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
| expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
| expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
| expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
| expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
| expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
| expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
| expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
| expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
| expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
| expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
| expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
| expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
| expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
| expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
| expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
| expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
| expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
| expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
| expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
| expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
| expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
| '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
| '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
| '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
| '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
| '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
| '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
@ -1203,6 +1223,12 @@ static expr_t *make_expr1(enum expr_type type, expr_t *expr)
if (expr->is_const) {
e->is_const = TRUE;
switch (type) {
case EXPR_LOGNOT:
e->cval = !expr->cval;
break;
case EXPR_POS:
e->cval = +expr->cval;
break;
case EXPR_NEG:
e->cval = -expr->cval;
break;
@ -1264,6 +1290,33 @@ static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2)
case EXPR_SHR:
e->cval = expr1->cval >> expr2->cval;
break;
case EXPR_LOGOR:
e->cval = expr1->cval || expr2->cval;
break;
case EXPR_LOGAND:
e->cval = expr1->cval && expr2->cval;
break;
case EXPR_XOR:
e->cval = expr1->cval ^ expr2->cval;
break;
case EXPR_EQUALITY:
e->cval = expr1->cval == expr2->cval;
break;
case EXPR_INEQUALITY:
e->cval = expr1->cval != expr2->cval;
break;
case EXPR_GTR:
e->cval = expr1->cval > expr2->cval;
break;
case EXPR_LESS:
e->cval = expr1->cval < expr2->cval;
break;
case EXPR_GTREQL:
e->cval = expr1->cval >= expr2->cval;
break;
case EXPR_LESSEQL:
e->cval = expr1->cval <= expr2->cval;
break;
default:
e->is_const = FALSE;
break;

71
tools/widl/typegen.c
View File

@ -360,6 +360,15 @@ static int compare_expr(const expr_t *a, const expr_t *b)
case EXPR_MEMBERPTR:
case EXPR_MEMBER:
case EXPR_ARRAY:
case EXPR_LOGOR:
case EXPR_LOGAND:
case EXPR_XOR:
case EXPR_EQUALITY:
case EXPR_INEQUALITY:
case EXPR_GTR:
case EXPR_LESS:
case EXPR_GTREQL:
case EXPR_LESSEQL:
ret = compare_expr(a->ref, b->ref);
if (ret != 0)
return ret;
@ -373,6 +382,8 @@ static int compare_expr(const expr_t *a, const expr_t *b)
case EXPR_NEG:
case EXPR_PPTR:
case EXPR_ADDRESSOF:
case EXPR_LOGNOT:
case EXPR_POS:
return compare_expr(a->ref, b->ref);
case EXPR_SIZEOF:
return compare_type(a->u.tref, b->u.tref);
@ -3124,14 +3135,26 @@ static void write_struct_expr(FILE *h, const expr_t *e, int brackets,
if (&field->entry == fields) error("no field found for identifier %s\n", e->u.sval);
break;
}
case EXPR_NEG:
fprintf(h, "-");
case EXPR_LOGNOT:
fprintf(h, "!");
write_struct_expr(h, e->ref, 1, fields, structvar);
break;
case EXPR_NOT:
fprintf(h, "~");
write_struct_expr(h, e->ref, 1, fields, structvar);
break;
case EXPR_POS:
fprintf(h, "+");
write_struct_expr(h, e->ref, 1, fields, structvar);
break;
case EXPR_NEG:
fprintf(h, "-");
write_struct_expr(h, e->ref, 1, fields, structvar);
break;
case EXPR_ADDRESSOF:
fprintf(h, "&");
write_struct_expr(h, e->ref, 1, fields, structvar);
break;
case EXPR_PPTR:
fprintf(h, "*");
write_struct_expr(h, e->ref, 1, fields, structvar);
@ -3158,20 +3181,38 @@ static void write_struct_expr(FILE *h, const expr_t *e, int brackets,
case EXPR_OR:
case EXPR_MEMBERPTR:
case EXPR_MEMBER:
case EXPR_LOGOR:
case EXPR_LOGAND:
case EXPR_XOR:
case EXPR_EQUALITY:
case EXPR_INEQUALITY:
case EXPR_GTR:
case EXPR_LESS:
case EXPR_GTREQL:
case EXPR_LESSEQL:
if (brackets) fprintf(h, "(");
write_struct_expr(h, e->ref, 1, fields, structvar);
switch (e->type) {
case EXPR_SHL: fprintf(h, " << "); break;
case EXPR_SHR: fprintf(h, " >> "); break;
case EXPR_MOD: fprintf(h, " %% "); break;
case EXPR_MUL: fprintf(h, " * "); break;
case EXPR_DIV: fprintf(h, " / "); break;
case EXPR_ADD: fprintf(h, " + "); break;
case EXPR_SUB: fprintf(h, " - "); break;
case EXPR_AND: fprintf(h, " & "); break;
case EXPR_OR: fprintf(h, " | "); break;
case EXPR_MEMBERPTR: fprintf(h, "->"); break;
case EXPR_MEMBER: fprintf(h, "."); break;
case EXPR_SHL: fprintf(h, " << "); break;
case EXPR_SHR: fprintf(h, " >> "); break;
case EXPR_MOD: fprintf(h, " %% "); break;
case EXPR_MUL: fprintf(h, " * "); break;
case EXPR_DIV: fprintf(h, " / "); break;
case EXPR_ADD: fprintf(h, " + "); break;
case EXPR_SUB: fprintf(h, " - "); break;
case EXPR_AND: fprintf(h, " & "); break;
case EXPR_OR: fprintf(h, " | "); break;
case EXPR_MEMBERPTR: fprintf(h, "->"); break;
case EXPR_MEMBER: fprintf(h, "."); break;
case EXPR_LOGOR: fprintf(h, " || "); break;
case EXPR_LOGAND: fprintf(h, " && "); break;
case EXPR_XOR: fprintf(h, " ^ "); break;
case EXPR_EQUALITY: fprintf(h, " == "); break;
case EXPR_INEQUALITY: fprintf(h, " != "); break;
case EXPR_GTR: fprintf(h, " > "); break;
case EXPR_LESS: fprintf(h, " < "); break;
case EXPR_GTREQL: fprintf(h, " >= "); break;
case EXPR_LESSEQL: fprintf(h, " <= "); break;
default: break;
}
write_struct_expr(h, e->u.ext, 1, fields, structvar);
@ -3186,10 +3227,6 @@ static void write_struct_expr(FILE *h, const expr_t *e, int brackets,
write_struct_expr(h, e->ext2, 1, fields, structvar);
if (brackets) fprintf(h, ")");
break;
case EXPR_ADDRESSOF:
fprintf(h, "&");
write_struct_expr(h, e->ref, 1, fields, structvar);
break;
case EXPR_ARRAY:
if (brackets) fprintf(h, "(");
write_struct_expr(h, e->ref, 1, fields, structvar);

11
tools/widl/widltypes.h
View File

@ -165,6 +165,17 @@ enum expr_type
EXPR_MEMBER,
EXPR_ARRAY,
EXPR_MOD,
EXPR_LOGOR,
EXPR_LOGAND,
EXPR_XOR,
EXPR_EQUALITY,
EXPR_INEQUALITY,
EXPR_GTR,
EXPR_LESS,
EXPR_GTREQL,
EXPR_LESSEQL,
EXPR_LOGNOT,
EXPR_POS,
};
enum type_kind