Cross Reference: /external/freetype/src/cff/cf2stack.c

Lines Matching defs:stack
5 /*    Adobe's code for emulating a CFF stack (body).                       */
58     CF2_Stack  stack = NULL;
61     if ( !FT_QNEW( stack ) )
64       stack->memory = memory;
65       stack->error  = e;
66       stack->top    = &stack->buffer[0]; /* empty stack */
69     return stack;
74   cf2_stack_free( CF2_Stack  stack )
76     if ( stack )
78       FT_Memory  memory = stack->memory;
82       FT_FREE( stack );
88   cf2_stack_count( CF2_Stack  stack )
90     return (CF2_UInt)( stack->top - &stack->buffer[0] );
95   cf2_stack_pushInt( CF2_Stack  stack,
98     if ( stack->top == &stack->buffer[CF2_OPERAND_STACK_SIZE] )
100       CF2_SET_ERROR( stack->error, Stack_Overflow );
101       return;     /* stack overflow */
104     stack->top->u.i  = val;
105     stack->top->type = CF2_NumberInt;
106     ++stack->top;
111   cf2_stack_pushFixed( CF2_Stack  stack,
114     if ( stack->top == &stack->buffer[CF2_OPERAND_STACK_SIZE] )
116       CF2_SET_ERROR( stack->error, Stack_Overflow );
117       return;     /* stack overflow */
120     stack->top->u.r  = val;
121     stack->top->type = CF2_NumberFixed;
122     ++stack->top;
128   cf2_stack_popInt( CF2_Stack  stack )
130     if ( stack->top == &stack->buffer[0] )
132       CF2_SET_ERROR( stack->error, Stack_Underflow );
135     if ( stack->top[-1].type != CF2_NumberInt )
137       CF2_SET_ERROR( stack->error, Syntax_Error );
141     --stack->top;
143     return stack->top->u.i;
150   cf2_stack_popFixed( CF2_Stack  stack )
152     if ( stack->top == &stack->buffer[0] )
154       CF2_SET_ERROR( stack->error, Stack_Underflow );
158     --stack->top;
160     switch ( stack->top->type )
163       return cf2_intToFixed( stack->top->u.i );
165       return cf2_fracToFixed( stack->top->u.f );
167       return stack->top->u.r;
175   cf2_stack_getReal( CF2_Stack  stack,
178     FT_ASSERT( cf2_stack_count( stack ) <= CF2_OPERAND_STACK_SIZE );
180     if ( idx >= cf2_stack_count( stack ) )
182       CF2_SET_ERROR( stack->error, Stack_Overflow );
186     switch ( stack->buffer[idx].type )
189       return cf2_intToFixed( stack->buffer[idx].u.i );
191       return cf2_fracToFixed( stack->buffer[idx].u.f );
193       return stack->buffer[idx].u.r;
199   cf2_stack_clear( CF2_Stack  stack )
201     stack->top = &stack->buffer[0];