Data processing: software development – installation – and managem – Software program development tool – Translation of code
Reexamination Certificate
2006-07-18
2006-07-18
Chavis, John (Department: 2193)
Data processing: software development, installation, and managem
Software program development tool
Translation of code
Reexamination Certificate
active
07080363
ABSTRACT:
A program interpreter for computer programs written in a bytecode language, which uses a restricted set of data type specific bytecodes. The interpreter, prior to executing any bytecode program, executes a bytecode program verifier procedure that verifies the integrity of a specified program by identifying any bytecode instruction that would process data of the wrong type for such a bytecode and any bytecode instruction sequences in the specified program that would cause underflow or overflow of the operand stack. If the program verifier finds any instructions that violate predefined stack usage and data type usage restrictions, execution of the program by the interpreter is prevented. After pre-processing of the program by the verifier, if no program faults were found, the interpreter executes the program without performing operand stack overflow and underflow checks and without performing data type checks on operands stored in operand stack. As a result, program execution speed is greatly improved.
REFERENCES:
patent: 3878513 (1975-04-01), Werner
patent: 4521851 (1985-06-01), Trubisky et al.
patent: 4524416 (1985-06-01), Stanley et al.
patent: 4622013 (1986-11-01), Cerchio
patent: 4742215 (1988-05-01), Daughters et al.
patent: 5165465 (1992-11-01), Kenet
patent: 5179734 (1993-01-01), Candy et al.
patent: 5187799 (1993-02-01), McAuley et al.
patent: 5220522 (1993-06-01), Wilson et al.
patent: 5283864 (1994-02-01), Knowlton
patent: 5307499 (1994-04-01), Yin
patent: 5347632 (1994-09-01), Filepp et al.
patent: 5422992 (1995-06-01), Motoyama et al.
patent: 5446875 (1995-08-01), Ogisu et al.
patent: 5450575 (1995-09-01), Sites
patent: 5590329 (1996-12-01), Goodnow, II et al.
patent: 5640503 (1997-06-01), Alpert et al.
patent: 5668999 (1997-09-01), Gosling
patent: 5740441 (1998-04-01), Yellin et al.
patent: 5748964 (1998-05-01), Gosling
patent: 5925125 (1999-07-01), Alpert et al.
patent: 5978574 (1999-11-01), Sharma
patent: 5999731 (1999-12-01), Yellin et al.
patent: 6075940 (2000-06-01), Gosling
patent: 6247171 (2001-06-01), Yellin et al.
patent: 6477702 (2002-11-01), Yellin et al.
Gosling James A.
Yellin Frank
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